{"id":6559,"date":"2024-01-25T08:43:14","date_gmt":"2024-01-25T08:43:14","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6559"},"modified":"2026-04-28T10:42:25","modified_gmt":"2026-04-28T10:42:25","slug":"analysis-of-factors-affecting-the-quality-of-lubricant-blending","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/analysis-of-factors-affecting-the-quality-of-lubricant-blending\/","title":{"rendered":"A ken\u0151anyag-kever\u00e9s min\u0151s\u00e9g\u00e9t befoly\u00e1sol\u00f3 t\u00e9nyez\u0151k elemz\u00e9se"},"content":{"rendered":"<h1><strong>A ken\u0151anyag-kever\u00e9s min\u0151s\u00e9g\u00e9t befoly\u00e1sol\u00f3 t\u00e9nyez\u0151k elemz\u00e9se<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> A practical chemical-sourcing decision starts with the intended use first, then verifies purity, compatibility, storage, and process behavior before scale-up.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Az elm\u00falt \u00e9vekben, ken\u0151anyagok k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa aut\u00f3k, g\u00e9pek \u00e9s berendez\u00e9sek, hogy cs\u00f6kkentse a s\u00farl\u00f3d\u00e1s, a g\u00e9pek v\u00e9delme \u00e9s a feldolgozott alkatr\u00e9szek a foly\u00e9kony vagy f\u00e9lszil\u00e1rd ken\u0151anyagok egyre sz\u00e9lesebb k\u00f6rben haszn\u00e1lj\u00e1k, els\u0151sorban ken\u00e9s, h\u0171t\u00e9s, rozsda, tiszt\u00edt\u00e1s, t\u00f6m\u00edt\u00e9s \u00e9s pufferel\u00e9s, stb., a felhaszn\u00e1l\u00f3 jav\u00e1ra, \u00e9s a fogyaszt\u00f3 jobban agg\u00f3dik a min\u0151s\u00e9ge a ken\u0151anyag \u00e9s a ken\u0151anyag kever\u00e9s, akkor a ken\u0151anyag kever\u00e9s min\u0151s\u00e9g\u00e9t a hat\u00e1sa, milyen t\u00e9nyez\u0151k?<br \/>\n1, a t\u00e1pszer \u00f6sszetev\u0151inek pontos m\u00e9r\u00e9se, etet\u00e9s<br \/>\nA kever\u00e9si folyamathoz nagyon fontos a k\u00e9plet ellen\u0151rz\u00e9se, hogy a pontos m\u00e9r\u00e9s ar\u00e1ny\u00e1t \u00f6sszekapcsolja. Ez hat\u00e9konyan garant\u00e1lhatja a k\u00e9plet pontos v\u00e9grehajt\u00e1s\u00e1t. Az ellen\u0151rz\u00e9s a k\u00e9plet etet\u00e9si ar\u00e1ny, kell el\u00e9rni egy \u00e9sszer\u0171 k\u00e9plet sz\u00e1m\u00edt\u00e1s, pontos adatok m\u0171k\u00f6d\u00e9s\u00e9t, m\u00e9r\u0151m\u0171szerek \/ berendez\u00e9sek kalibr\u00e1l\u00e1sa hat\u00e9kony, pontos m\u00e9r\u00e9s; a haszn\u00e1lata az egyes \u00f6sszetev\u0151k az anyagm\u00e9rleg, mint p\u00e9ld\u00e1ul a nyersanyag tart\u00e1lyok be \u00e9s ki az egyens\u00faly a nyersanyagok mennyis\u00e9ge, nyersanyagok ki az \u00f6sszetev\u0151k az \u00f6sszeg az \u00f6sszeg a teljes \u00f6sszeg az egyens\u00faly a teljes anyagmennyis\u00e9g a tart\u00e1lyban \u00e9s a kever\u00e9s \u00e9s \u00edgy tov\u00e1bb, annak ellen\u0151rz\u00e9s\u00e9re, hogy a takarm\u00e1nyoz\u00e1si ar\u00e1ny a k\u00fcl\u00f6nb\u00f6z\u0151 \u00f6sszetev\u0151k a k\u00e9plet \u00f6sszhangban van a k\u00f6vetelm\u00e9nyekkel.<br \/>\n2, az anyagh\u0151m\u00e9rs\u00e9klet gy\u00e1rt\u00e1si folyamata<br \/>\nA ken\u0151olaj kever\u00e9si folyamat\u00e1ban v\u00e1lassza ki a megfelel\u0151 kever\u00e9si h\u0151m\u00e9rs\u00e9kletet, a kever\u00e9s \u00e9s az olajmin\u0151s\u00e9g hat\u00e1sa nagy hat\u00e1ssal van, a t\u00fal magas h\u0151m\u00e9rs\u00e9klet oxid\u00e1ci\u00f3t vagy az olaj \u00e9s az adal\u00e9kanyagok termikus roml\u00e1s\u00e1t okozhatja, a h\u0151m\u00e9rs\u00e9klet t\u00fal alacsony, hogy a likvidit\u00e1s \u00f6sszetev\u0151i a hat\u00e1s roml\u00e1s\u00e1t okozz\u00e1k.<br \/>\n3\u3001A gy\u00e1rt\u00e1si folyamat kever\u00e9si egyenletess\u00e9ge<br \/>\nA finom\u00edtott olaj k\u00fcl\u00f6nb\u00f6z\u0151 viszkozit\u00e1si szintjei eset\u00e9ben a nyersolaj viszkozit\u00e1sa elt\u00e9r\u0151, a k\u00f6nny\u0171 \u00e9s neh\u00e9z nyersanyagok ar\u00e1nya elt\u00e9r\u0151, a kever\u00e9si forma, a kever\u0151berendez\u00e9s teljes\u00edtm\u00e9nye elt\u00e9r\u0151, a kever\u00e9si h\u0151m\u00e9rs\u00e9klet elt\u00e9r\u0151, a kever\u00e9si id\u0151 elt\u00e9r\u0151, \u00e9s a kever\u00e9si hat\u00e1s egyenletess\u00e9ge is elt\u00e9r\u0151. A kever\u00e9si id\u0151t az adott k\u00f6r\u00fclm\u00e9nyeknek megfelel\u0151en kell meghat\u00e1rozni.<br \/>\n4, leveg\u0151 az olajban<br \/>\nA jelens\u00e9g a leveg\u0151 keveredik az olajban, de a leveg\u0151 jelenl\u00e9te is nagyon kedvez\u0151tlen a kevered\u00e9s szempontj\u00e1b\u00f3l. A leveg\u0151 jelenl\u00e9te nemcsak az adal\u00e9kanyagok boml\u00e1s\u00e1t \u00e9s az olaj oxid\u00e1ci\u00f3j\u00e1t seg\u00edtheti el\u0151, hanem a l\u00e9gbubor\u00e9kok jelenl\u00e9te miatt az \u00f6sszetev\u0151k pontatlan m\u00e9r\u00e9s\u00e9hez vezethet, ami befoly\u00e1solja az \u00f6sszetev\u0151k helyes ar\u00e1ny\u00e1t.<\/p>\n<p>5\u3001Adal\u00e9kanyagok h\u00edg\u00edt\u00e1sa \u00e9s old\u00e1sa<br \/>\nA szil\u00e1rd adal\u00e9kanyagok egy r\u00e9sz\u00e9t, a nagyon viszk\u00f3zus adal\u00e9kanyagokat, az alacsony oldhat\u00f3s\u00e1g\u00fa adal\u00e9kanyagokat az anyal\u00fag felhaszn\u00e1l\u00e1sa el\u0151tt az adal\u00e9kanyagok megfelel\u0151 koncentr\u00e1ci\u00f3j\u00e1ra kell olvasztani, h\u00edg\u00edtani, modul\u00e1lni, k\u00fcl\u00f6nben befoly\u00e1solhatja a kever\u00e9k egyenletess\u00e9g\u00e9nek m\u00e9rt\u00e9k\u00e9t, de befoly\u00e1solhatja a m\u00e9r\u00e9s pontoss\u00e1g\u00e1t is. Az adal\u00e9kanyag-anyal\u00faghoz azonban nem szabad t\u00fal sok h\u00edg\u00edt\u00f3t hozz\u00e1adni, hogy ne befoly\u00e1solja a ken\u0151anyagterm\u00e9kek min\u0151s\u00e9g\u00e9t.<br \/>\n6, szennyez\u0151d\u00e9s szennyez\u00e9s<br \/>\nAz egyeztet\u00e9si rendszer az alapolaj \u00e9s az adal\u00e9kanyagok stb. szil\u00e1rd szennyez\u0151d\u00e9sei \u00e9s nem megfelel\u0151 \u00f6sszetev\u0151i a rendszer szennyez\u00e9se, a term\u00e9k min\u0151s\u00e9g\u00e9t \u00e9s a term\u00e9k min\u0151s\u00e9g\u00e9t eredm\u00e9nyezheti, \u00edgy a ken\u0151anyag-kever\u00e9si rendszer tiszt\u00e1n tart\u00e1sa \u00e9rdek\u00e9ben. A ken\u0151olaj mechanikai szennyez\u0151d\u00e9seket tartalmaz, nemcsak az olaj viszkozit\u00e1s\u00e1nak n\u00f6veked\u00e9s\u00e9t eredm\u00e9nyezheti, \u00e9s felgyors\u00edtja a kop\u00e1s, a h\u00faz\u00e1s \u00e9s a karcol\u00e1sok \u00e9s egy\u00e9b kop\u00e1sok mechanikus alkatr\u00e9szeit. A motor ken\u0151anyag\u00e1ban megn\u00f6vekedett mechanikai szennyez\u0151d\u00e9sek s\u00falyosb\u00edtj\u00e1k a motor kop\u00e1s\u00e1t, n\u00f6velik a sz\u00e9nlerak\u00f3d\u00e1sok keletkez\u00e9s\u00e9t, elt\u00f6m\u00edtik az olajk\u00f6r f\u00fav\u00f3k\u00e1j\u00e1t \u00e9s sz\u0171r\u0151j\u00e9t, ami a ken\u00e9s meghib\u00e1sod\u00e1s\u00e1hoz vezet. Cs\u00f6kkentheti az olaj antioxid\u00e1ns stabilit\u00e1s\u00e1t is. A mechanikai szennyez\u0151d\u00e9seket tartalmaz\u00f3 transzform\u00e1torolaj cs\u00f6kkenti a szigetel\u0151 tulajdons\u00e1gait. Ez\u00e9rt a ken\u0151anyag-kever\u00e9si folyamatnak el kell ker\u00fclnie a szennyez\u0151d\u00e9sek \u00e9s a k\u00e9pleten k\u00edv\u00fcli \u00f6sszetev\u0151k kever\u00e9s\u00e9t. A t\u00e9nyleges gy\u00e1rt\u00e1s sor\u00e1n egyr\u00e9szt pr\u00f3b\u00e1lja megtiszt\u00edtani a szennyez\u0151d\u00e9seket, m\u00e1sr\u00e9szt hasonl\u00f3 min\u0151s\u00e9g\u0171, v\u00e1ltozatos olajkever\u00e9si rendszerbe kell rendezni, hogy biztos\u00edtsa a kevert term\u00e9kek min\u0151s\u00e9g\u00e9t.<\/p>\n<h2><strong>Melyek a leggyakoribb viszkozit\u00e1si index jav\u00edt\u00f3szerek?<\/strong><\/h2>\n<p>A ken\u0151olajok viszkozit\u00e1si index\u00e9nek \u00e9s viszkozit\u00e1s-h\u0151m\u00e9rs\u00e9kleti jellemz\u0151inek jav\u00edt\u00e1sa, valamint a ken\u0151olajok alacsony h\u0151m\u00e9rs\u00e9klet\u0171 ind\u00edt\u00e1si teljes\u00edtm\u00e9ny\u00e9nek \u00e9s magas h\u0151m\u00e9rs\u00e9klet\u0171 viszkozit\u00e1start\u00e1si teljes\u00edtm\u00e9ny\u00e9nek jav\u00edt\u00e1sa \u00e9rdek\u00e9ben a ken\u0151olajokhoz \u00e1ltal\u00e1ban viszkozit\u00e1si indexjav\u00edt\u00f3kat (a tov\u00e1bbiakban: viszkozit\u00e1si indexjav\u00edt\u00f3k) adnak, hogy kiv\u00e1l\u00f3 magas \u00e9s alacsony h\u0151m\u00e9rs\u00e9klet\u0171 teljes\u00edtm\u00e9ny\u0171, valamint az alkalmazhat\u00f3 h\u0151m\u00e9rs\u00e9kletek \u00e9s r\u00e9gi\u00f3k sz\u00e9lesebb tartom\u00e1ny\u00e1ban alkalmazhat\u00f3 t\u00f6bbfokozat\u00fa ken\u0151olajokat kapjanak.<br \/>\nViszkozit\u00e1si index jav\u00edt\u00f3 egyfajta olajban old\u00f3d\u00f3 l\u00e1nc polimer, a hat\u00e1smechanizmusa az, hogy jav\u00edtsa a viszkozit\u00e1si indexet alacsony h\u0151m\u00e9rs\u00e9kleten, amikor a molekul\u00e1ris l\u00e1nc a viszkozit\u00e1si index jav\u00edt\u00f3 g\u00f6nd\u00f6r zsugorod\u00e1s, hidrodinamikai t\u00e9rfogat \u00e9s a fel\u00fclet kisebb lesz, a ken\u0151olaj, hogy cs\u00f6kkentse a bels\u0151 s\u00farl\u00f3d\u00e1s hat\u00e1s\u00e1t, \u00e9s ennek megfelel\u0151en a ken\u0151olaj a s\u0171r\u00edt\u0151 k\u00e9pess\u00e9g cs\u00f6kkenthet\u0151; magas h\u0151m\u00e9rs\u00e9kleten, amikor a viszkozit\u00e1si index jav\u00edt\u00f3 molekul\u00e1ris l\u00e1nc b\u0151v\u00edt\u00e9se, a hidrodinamikai t\u00e9rfogat \u00e9s a fel\u00fclet n\u00f6vekszik, a ken\u0151olaj a bels\u0151 s\u00farl\u00f3d\u00e1s hat\u00e1s\u00e1t Magas h\u0151m\u00e9rs\u00e9kleten a viszkozit\u00e1si index jav\u00edt\u00f3 molekul\u00e1ris l\u00e1nc b\u0151v\u00fcl, a hidrodinamikai t\u00e9rfogat \u00e9s a fel\u00fclet n\u00f6vekszik, a ken\u0151olaj bels\u0151 s\u00farl\u00f3d\u00e1s\u00e1ra gyakorolt hat\u00e1s n\u0151, \u00e9s a ken\u0151olaj s\u0171r\u00edt\u0151 k\u00e9pess\u00e9ge ennek megfelel\u0151en n\u00f6vekszik. Ez\u00e9rt a viszkozit\u00e1si indexjav\u00edt\u00f3 nagym\u00e9rt\u00e9kben jav\u00edthatja a ken\u0151olaj viszkozit\u00e1si index\u00e9t, azaz a viszkozit\u00e1si indexjav\u00edt\u00f3 hozz\u00e1ad\u00e1s\u00e1val k\u00e9sz\u00fclt ken\u0151olajnak alacsony h\u0151m\u00e9rs\u00e9kleten alacsonyabb a viszkozit\u00e1sa, magas h\u0151m\u00e9rs\u00e9kleten pedig magasabb a viszkozit\u00e1sa, \u00e9s sz\u00e9lesebb h\u0151m\u00e9rs\u00e9klettartom\u00e1nyban alkalmazhat\u00f3.<br \/>\nF\u0151bb t\u00edpusok<br \/>\nA piacon ma kaphat\u00f3 viszkozit\u00e1si indexjav\u00edt\u00f3k f\u0151 t\u00edpusai a poliizobutil\u00e9n (PIB), a polimetakril\u00e1t (PMA), az etil\u00e9n-propil\u00e9n kopolimer (OCP) \u00e9s a hidrog\u00e9nezett sztirol-di\u00e9n kopolimer (HSD).<br \/>\nTeljes\u00edtm\u00e9nyk\u00f6vetelm\u00e9nyek<br \/>\nA viszkozit\u00e1si index jav\u00edt\u00f3szerek teljes\u00edtm\u00e9ny\u00e9t els\u0151sorban n\u00e9gy mutat\u00f3val m\u00e9rik: s\u0171r\u00edt\u0151 k\u00e9pess\u00e9g, alacsony h\u0151m\u00e9rs\u00e9kleten val\u00f3 viselked\u00e9s, ny\u00edr\u00e1si stabilit\u00e1s \u00e9s termo-oxidat\u00edv stabilit\u00e1s. Min\u00e9l jobbak e n\u00e9gy szempont mutat\u00f3i, ann\u00e1l jobb a viszkozit\u00e1si index jav\u00edt\u00f3 \u00e1tfog\u00f3 teljes\u00edtm\u00e9nye, de neh\u00e9z egyens\u00falyba hozni ezeket a tulajdons\u00e1gokat, k\u00fcl\u00f6n\u00f6sen a s\u0171r\u00edt\u0151 k\u00e9pess\u00e9g \u00e9s a ny\u00edr\u00e1si stabilit\u00e1s k\u00f6z\u00f6tti ellentmond\u00e1sp\u00e1rt neh\u00e9z egyens\u00falyba hozni.<br \/>\nEddig a minden szempontb\u00f3l kiv\u00e1l\u00f3 teljes\u00edtm\u00e9ny\u0171 viszkozit\u00e1si indexjav\u00edt\u00f3t m\u00e9g nem fejlesztett\u00e9k ki, viszonylag a HSD t\u00edpus\u00fa viszkozit\u00e1si indexjav\u00edt\u00f3 teljes\u00edtm\u00e9nye \u00e1tfog\u00f3bb \u00e9s kiegyens\u00falyozottabb.<br \/>\n2.1 S\u0171r\u00edt\u0151 k\u00e9pess\u00e9g<br \/>\nA viszkozit\u00e1si indexjav\u00edt\u00f3 s\u0171r\u00edt\u0151 k\u00e9pess\u00e9ge (D-\u00e9rt\u00e9kk\u00e9nt kifejezve) a viszkozit\u00e1si indexjav\u00edt\u00f3 hozz\u00e1j\u00e1rul\u00e1sa az olaj viszkozit\u00e1s\u00e1hoz, min\u00e9l nagyobb a D-\u00e9rt\u00e9k, ann\u00e1l er\u0151sebb a viszkozit\u00e1si indexjav\u00edt\u00f3 s\u0171r\u00edt\u0151 k\u00e9pess\u00e9ge. Adjunk 1,0% viszkozit\u00e1si indexjav\u00edt\u00f3t 150SN alapolajhoz, m\u00e9rj\u00fck meg a 100 \u2103 kinematikai viszkozit\u00e1st az old\u00f3d\u00e1s ut\u00e1n, \u00e9s vonjuk le az alapolaj 100 \u2103 kinematikai viszkozit\u00e1s\u00e1t, hogy megkapjuk a megn\u00f6velt \u00e9rt\u00e9ket, amely a viszkozit\u00e1si indexjav\u00edt\u00f3 s\u0171r\u00edt\u0151 k\u00e9pess\u00e9ge.<br \/>\nA fajlagos viszkozit\u00e1s (\u03b7sp-ben kifejezve) szint\u00e9n haszn\u00e1lhat\u00f3 a viszkozit\u00e1si index jav\u00edt\u00f3szer s\u0171r\u00edt\u0151 k\u00e9pess\u00e9g\u00e9nek m\u00e9r\u00e9s\u00e9re, l\u00e1sd az (1) egyenletet:<br \/>\n\u03b7sp = (\u03b7-\u03b70 )\/\u03b70 (1)<br \/>\nAz (1) egyenletben \u03b70 az alapolaj viszkozit\u00e1sa, \u03b7 pedig a viszkozit\u00e1si indexjav\u00edt\u00f3t tartalmaz\u00f3 alapolaj viszkozit\u00e1sa. min\u00e9l nagyobb az \u03b7sp, ann\u00e1l er\u0151sebb a viszkozit\u00e1si indexjav\u00edt\u00f3 s\u0171r\u00edt\u0151 k\u00e9pess\u00e9ge. Az \u03b7sp a h\u0151m\u00e9rs\u00e9klettel, a viszkozit\u00e1si indexjav\u00edt\u00f3 tartalm\u00e1val \u00e9s az alapolaj viszkozit\u00e1s\u00e1val f\u00fcgg \u00f6ssze, \u00e9s nem a viszkozit\u00e1si indexjav\u00edt\u00f3 bels\u0151 \u00e1lland\u00f3ja, ez\u00e9rt a k\u00fcl\u00f6nb\u00f6z\u0151 viszkozit\u00e1si indexjav\u00edt\u00f3k \u03b7sp \u00e9rt\u00e9k\u00e9nek \u00f6sszehasonl\u00edt\u00e1sakor ugyanazt a viszony\u00edt\u00e1si alapot kell haszn\u00e1lni. Ez\u00e9rt a k\u00fcl\u00f6nb\u00f6z\u0151 viszkozit\u00e1si index-jav\u00edt\u00f3k \u03b7sp-j\u00e9nek \u00f6sszehasonl\u00edt\u00e1sakor ugyanazt a viszony\u00edt\u00e1si alapot kell haszn\u00e1lni.<br \/>\n2.2 Alacsony h\u0151m\u00e9rs\u00e9kleti teljes\u00edtm\u00e9ny<br \/>\nA viszkozit\u00e1si index jav\u00edt\u00f3szer hat\u00e1s\u00e1t a ken\u0151olaj alacsony h\u0151m\u00e9rs\u00e9klet\u0171 teljes\u00edtm\u00e9ny\u00e9re els\u0151sorban az alacsony h\u0151m\u00e9rs\u00e9klet\u0171 dinamikus viszkozit\u00e1s (CCS) \u00e9s az alacsony h\u0151m\u00e9rs\u00e9klet\u0171 szivatty\u00faz\u00e1si viszkozit\u00e1s (MRV) jellemzi, a CCS els\u0151sorban a ken\u0151olaj alacsony h\u0151m\u00e9rs\u00e9klet\u0171 ind\u00edt\u00e1si teljes\u00edtm\u00e9ny\u00e9t t\u00fckr\u00f6zi, min\u00e9l kisebb a CCS \u00e9rt\u00e9ke, ann\u00e1l k\u00f6nnyebb a ken\u0151olaj ind\u00edt\u00e1sa alacsony h\u0151m\u00e9rs\u00e9kleten; az MRV els\u0151sorban a ken\u0151olaj alacsony h\u0151m\u00e9rs\u00e9klet\u0171 szivatty\u00faz\u00e1si teljes\u00edtm\u00e9ny\u00e9t t\u00fckr\u00f6zi, min\u00e9l kisebb az MRV \u00e9rt\u00e9ke, ann\u00e1l k\u00f6nnyebb a ken\u0151olaj alacsony h\u0151m\u00e9rs\u00e9kleten a ken\u0151alkatr\u00e9szbe szivatty\u00fazni. Min\u00e9l kisebb az MRV \u00e9rt\u00e9ke, ann\u00e1l k\u00f6nnyebb a ken\u0151anyagot a ken\u0151alkatr\u00e9szhez pump\u00e1lni. Min\u00e9l kisebb az MRV-\u00e9rt\u00e9k, ann\u00e1l k\u00f6nnyebb a ken\u0151anyagot alacsony h\u0151m\u00e9rs\u00e9kleten a ken\u0151helyre szivatty\u00fazni. A j\u00f3 alacsony h\u0151m\u00e9rs\u00e9kleti teljes\u00edtm\u00e9nnyel rendelkez\u0151 viszkozit\u00e1si index jav\u00edt\u00f3k kev\u00e9sb\u00e9 negat\u00edvan befoly\u00e1solj\u00e1k a ken\u0151anyag CCS-\u00e9t \u00e9s MRV-j\u00e9t.<br \/>\n2.3 Ny\u00edr\u00e1si stabilit\u00e1s<br \/>\nA viszkozit\u00e1si indexet jav\u00edt\u00f3 anyagok, mint polimerek, olyan ny\u00edr\u00f3fesz\u00fclts\u00e9gnek vannak kit\u00e9ve, amely a molekulal\u00e1ncok szakad\u00e1s\u00e1t okozza, ami a s\u0171r\u00edt\u0151 k\u00e9pess\u00e9g elveszt\u00e9s\u00e9t eredm\u00e9nyezi. A rossz ny\u00edr\u00e1si stabilit\u00e1s\u00fa viszkozit\u00e1si indexjav\u00edt\u00f3t tartalmaz\u00f3 t\u00f6bbfokozat\u00fa ken\u0151anyagok haszn\u00e1lata sor\u00e1n a ken\u0151anyag viszkozit\u00e1sa jelent\u0151sen cs\u00f6kken az olajszivatty\u00fa, a dugatty\u00fa \u00e9s m\u00e1s mechanikus alkatr\u00e9szek ny\u00edr\u00f3hat\u00e1sa miatt, ami rendellenes kop\u00e1st eredm\u00e9nyez, az olajfogyaszt\u00e1s \u00e9s az \u00fczemanyag h\u00edgul\u00e1sa is megn\u0151.<br \/>\nNy\u00edr\u00e1si stabilit\u00e1s az egyik fontos indexek teljes\u00edtm\u00e9ny\u00e9nek m\u00e9r\u00e9s\u00e9re viszkozit\u00e1si index jav\u00edt\u00f3, els\u0151sorban a d\u00edzel f\u00fav\u00f3ka m\u00f3dszer, ultrahangos m\u00f3dszer vagy L-38 egyhengeres m\u00f3dszerrel \u00e9rt\u00e9kelni a ny\u00edr\u00e1si stabilit\u00e1s viszkozit\u00e1si index jav\u00edt\u00f3, ny\u00edr\u00e1si stabilit\u00e1si index (SSI), hogy jellemezze a viszkozit\u00e1si index jav\u00edt\u00f3 a ny\u00edr\u00e1si stabilit\u00e1s az el\u0151ny\u00f6k \u00e9s h\u00e1tr\u00e1nyok a viszkozit\u00e1si index jav\u00edt\u00f3, min\u00e9l kisebb az \u00e9rt\u00e9ke SSI, ann\u00e1l jobb a viszkozit\u00e1si index jav\u00edt\u00f3 a ny\u00edr\u00e1si stabilit\u00e1s, l\u00e1sd az egyenletet ( (2)<br \/>\nSSI = (V1 -V2) \/ (V1 -V0) (2)<br \/>\nA (2) egyenletben V1 a ny\u00edr\u00e1s el\u0151tti 100 \u2103-os kinematikai viszkozit\u00e1s, V2 a ny\u00edr\u00e1s ut\u00e1ni 100 \u2103-os kinematikai viszkozit\u00e1s, \u00e9s V0 az alapolaj 100 \u2103-os kinematikai viszkozit\u00e1sa.<br \/>\n2.4 Termo-oxidat\u00edv stabilit\u00e1s<br \/>\nViszkozit\u00e1si index jav\u00edt\u00f3 tartozik polimer, \u00e1ltal\u00e1ban k\u00f6r\u00fclbel\u00fcl 100 \u2103 kezd bek\u00f6vetkezni termikus oxidat\u00edv leboml\u00e1s, leboml\u00e1s termel nagysz\u00e1m\u00fa alacsony molekul\u00e1j\u00fa vegy\u00fcletek, ugyanakkor egy r\u00e9sze az alacsony molekul\u00e1j\u00fa vegy\u00fcletek is lesz kondenz\u00e1ci\u00f3s reakci\u00f3, ami nagyobb molekulat\u00f6meg\u0171 polimer vegy\u00fcletek. A viszkozit\u00e1si index jav\u00edt\u00f3 termo-oxidat\u00edv leboml\u00e1sa \u00e1ltal gener\u00e1lt szabad gy\u00f6k\u00f6k felgyors\u00edtj\u00e1k az alapolaj oxid\u00e1ci\u00f3j\u00e1t is, ami a t\u00f6bbfokozat\u00fa ken\u0151anyag viszkozit\u00e1s\u00e1nak el\u0151sz\u00f6r cs\u00f6kken\u00e9s\u00e9t, majd dr\u00e1mai n\u00f6veked\u00e9s\u00e9t okozza.<br \/>\nA viszkozit\u00e1si index jav\u00edt\u00f3szerek termo-oxidat\u00edv stabilit\u00e1s\u00e1nak \u00e9rt\u00e9kel\u00e9s\u00e9re szolg\u00e1l\u00f3 f\u0151 m\u00f3dszerek a forgatty\u00fah\u00e1z-szimul\u00e1ci\u00f3s vizsg\u00e1lati m\u00f3dszer, a forg\u00f3 oxig\u00e9nbomba-m\u00f3dszer \u00e9s az L-38 egyhengeres m\u00f3dszer.<\/p>\n<h2><strong>A k\u00fcl\u00f6nb\u00f6z\u0151 viszkozit\u00e1si indexjav\u00edt\u00f3k tulajdons\u00e1gai \u00e9s alkalmaz\u00e1sa<\/strong><\/h2>\n<p>Az \u00e1ltal\u00e1nosan haszn\u00e1lt viszkozit\u00e1si indexjav\u00edt\u00f3k, mint p\u00e9ld\u00e1ul a poliizobutil\u00e9n (PIB), a polimetil-metakril\u00e1t (PMA), az etil\u00e9n-propil\u00e9n kopolimer (OCP) \u00e9s a hidrog\u00e9nezett sztirol-dienoftal\u00e1t (HSD) s\u0171r\u00edt\u0151 k\u00e9pess\u00e9g\u00e9nek, alacsony h\u0151m\u00e9rs\u00e9kleti teljes\u00edtm\u00e9ny\u00e9nek, ny\u00edr\u00e1si stabilit\u00e1s\u00e1nak \u00e9s termo-oxidat\u00edv stabilit\u00e1s\u00e1nak \u00f6sszehasonl\u00edt\u00e1sa az 1. t\u00e1bl\u00e1zatban l\u00e1that\u00f3.<\/p>\n<p>Az 1. t\u00e1bl\u00e1zatban szerepl\u0151 \u00f6sszehasonl\u00edt\u00e1sb\u00f3l l\u00e1that\u00f3, hogy a poliizobutil\u00e9n (PIB) viszkozit\u00e1si index jav\u00edt\u00f3 j\u00f3 ny\u00edr\u00e1si stabilit\u00e1ssal \u00e9s termo-oxidat\u00edv stabilit\u00e1ssal rendelkezik, de s\u0171r\u00edt\u0151 k\u00e9pess\u00e9ge \u00e9s alacsony h\u0151m\u00e9rs\u00e9kleti teljes\u00edtm\u00e9nye gyenge, \u00e9s nem alkalmas t\u00f6bbfokozat\u00fa bels\u0151 \u00e9g\u00e9s\u0171 motorolajok kever\u00e9s\u00e9re, amelyeknek nagy a tartom\u00e1nya \u00e9s alacsony a viszkozit\u00e1si szintje, \u00e9s \u00e1ltal\u00e1ban t\u00f6bbfokozat\u00fa hajt\u00f3m\u0171olajok, hidraulikaolajok, szigetel\u0151olajok \u00e9s f\u00e9mmegmunk\u00e1l\u00f3 olajok kever\u00e9s\u00e9re haszn\u00e1lj\u00e1k, az alacsony molekulat\u00f6meg\u0171 PIB-et pedig t\u00f6bbnyire k\u00e9t\u00fctem\u0171 motorolajok kever\u00e9s\u00e9re haszn\u00e1lj\u00e1k Az alacsony molekulat\u00f6meg\u0171 PIB-et t\u00f6bbnyire k\u00e9t\u00fctem\u0171 motorolajok kever\u00e9s\u00e9re haszn\u00e1lj\u00e1k.<br \/>\nA polimetakril\u00e1t (PMA) viszkozit\u00e1si index jav\u00edt\u00f3k kiv\u00e1l\u00f3 alacsony h\u0151m\u00e9rs\u00e9kleti teljes\u00edtm\u00e9nnyel \u00e9s termo-oxidat\u00edv stabilit\u00e1ssal, valamint j\u00f3 ny\u00edr\u00e1si stabilit\u00e1ssal rendelkeznek (k\u00fcl\u00f6n\u00f6sen az \u00faj f\u00e9s\u0171 alak\u00fa PMA viszkozit\u00e1si index jav\u00edt\u00f3k k\u00e9pesek el\u00e9rni a kiv\u00e1l\u00f3, 5%-n\u00e9l kisebb SSI szintet), de s\u0171r\u00edt\u0151 k\u00e9pess\u00e9g\u00fck gyenge, \u00e9s nagyobb mennyis\u00e9gben kell hozz\u00e1adni \u0151ket ugyanannak a viszkozit\u00e1si szintnek az el\u00e9r\u00e9s\u00e9hez, ami nagyobb hat\u00e1ssal van a ken\u0151anyag tisztas\u00e1g\u00e1ra. A polimetakril\u00e1t (PMA) viszkozit\u00e1si indexjav\u00edt\u00f3 \u00e1ra magasabb, ez\u00e9rt t\u00f6bbnyire magas min\u0151s\u00e9g\u0171 ken\u0151anyagok, p\u00e9ld\u00e1ul alacsony viszkozit\u00e1s\u00fa, t\u00f6bbfokozat\u00fa benzinmotorolaj, automata sebess\u00e9gv\u00e1lt\u00f3olaj, ultraalacsony h\u0151m\u00e9rs\u00e9klet\u0171 hidraulikaolaj stb. k\u00e9sz\u00edt\u00e9s\u00e9hez haszn\u00e1lj\u00e1k, \u00e9s nem alkalmas arra, hogy \u00f6nmag\u00e1ban haszn\u00e1lj\u00e1k a t\u00f6bbfokozat\u00fa d\u00edzelmotorolajok k\u00e9sz\u00edt\u00e9s\u00e9hez, amelyeknek nagyon magasak a tisztas\u00e1gi k\u00f6vetelm\u00e9nyei.<br \/>\nAz etil\u00e9n-propil\u00e9n kopolimer (OCP) viszkozit\u00e1si index jav\u00edt\u00f3 j\u00f3 \u00e1tfog\u00f3 teljes\u00edtm\u00e9nyt ny\u00fajt, \u00e9s a nyersanyagok b\u0151s\u00e9gesek \u00e9s k\u00f6nnyen beszerezhet\u0151k, a gy\u00e1rt\u00e1si folyamat egyszer\u0171, \u00edgy az \u00e1r is nagy el\u0151nyt jelent. A j\u00f3 \u00e1ltal\u00e1nos teljes\u00edtm\u00e9ny \u00e9s a kiemelked\u0151 k\u00f6lts\u00e9ghat\u00e9kony etil\u00e9n-propil\u00e9n-kopolimer (OCP) viszkozit\u00e1si indexjav\u00edt\u00f3 a leggyakrabban haszn\u00e1lt viszkozit\u00e1si indexjav\u00edt\u00f3v\u00e1 v\u00e1lt, \u00e9s \u00e9rt\u00e9kes\u00edt\u00e9si volumene az \u00f6sszes viszkozit\u00e1si indexjav\u00edt\u00f3 t\u00f6bb mint 60%-t tesz ki. Az OCP viszkozit\u00e1si index jav\u00edt\u00f3szereket f\u0151k\u00e9nt a t\u00f6bbfokozat\u00fa motorolajokban haszn\u00e1lj\u00e1k, k\u00fcl\u00f6n\u00f6sen alkalmasak d\u00edzelmotorolajok kever\u00e9s\u00e9re. Az alacsony h\u0151m\u00e9rs\u00e9kleten val\u00f3 \u00e1ltal\u00e1nos teljes\u00edtm\u00e9nye miatt azonban \u00e9szter t\u00edpus\u00fa depressz\u00e1nsokkal kombin\u00e1lva kell haszn\u00e1lni alacsony viszkozit\u00e1s\u00fa, t\u00f6bbfokozat\u00fa olajok kever\u00e9sekor.<br \/>\nA hidrog\u00e9nezett sztirol-di\u00e9n kopolimer (HSD) viszkozit\u00e1si index jav\u00edt\u00f3 speci\u00e1lis csillagszerkezettel vagy blokkszerkezettel \u00e9s sz\u0171k molekulat\u00f6meg-eloszl\u00e1ssal rendelkezik, \u00edgy a s\u0171r\u00edt\u00e9si k\u00e9pess\u00e9g \u00e9s a ny\u00edr\u00e1si stabilit\u00e1s kiegyens\u00falyozottabb, \u00e9s egyidej\u0171leg nagy s\u0171r\u00edt\u00e9si k\u00e9pess\u00e9ggel \u00e9s kiv\u00e1l\u00f3 ny\u00edr\u00e1si stabilit\u00e1ssal rendelkezik. A hidrog\u00e9nezett sztirol-di\u00e9n-kopolimer (HSD) viszkozit\u00e1si indexjav\u00edt\u00f3k kiv\u00e1l\u00f3 alacsony h\u0151m\u00e9rs\u00e9kleti teljes\u00edtm\u00e9nnyel is rendelkeznek, \u00e9s k\u00fcl\u00f6n\u00f6sen alkalmasak magas min\u0151s\u00e9g\u0171, t\u00f6bbfokozat\u00fa benzinmotorolajok kever\u00e9s\u00e9re, \u00e9s t\u00f6bbfokozat\u00fa d\u00edzelmotorolajok kever\u00e9s\u00e9re is haszn\u00e1lhat\u00f3k.<br \/>\nK\u00f6vetkeztet\u00e9s<br \/>\nJelenleg az \u00e1ltal\u00e1nos poliizobutil\u00e9n (PIB), a polimetakril\u00e1t (PMA), az etil\u00e9n-propil\u00e9n kopolimer (OCP) \u00e9s a hidrog\u00e9nezett sztirol-di\u00e9n kopolimer (HSD) viszkozit\u00e1si index jav\u00edt\u00f3szerek mindegyike egyedi teljes\u00edtm\u00e9nyjellemz\u0151kkel rendelkezik, \u00e9s ennek megfelel\u0151en alkalmasak k\u00fcl\u00f6nb\u00f6z\u0151 t\u00f6bbf\u00e9le ken\u0151anyagokhoz. A motortechnol\u00f3gia folyamatos fejl\u0151d\u00e9s\u00e9vel a k\u00f6rnyezeti kibocs\u00e1t\u00e1si \u00e9s \u00fczemanyag-fogyaszt\u00e1si el\u0151\u00edr\u00e1sok egyre szigor\u00fabb\u00e1 v\u00e1lnak, amelyekkel a t\u00f6bbfokozat\u00fa motorolajokat folyamatosan korszer\u0171s\u00edtik \u00e9s lecser\u00e9lik, a t\u00f6bbfokozat\u00fa motorolaj-adal\u00e9kanyagok teljes\u00edtm\u00e9nye is magasabb k\u00f6vetelm\u00e9nyeket t\u00e1maszt. Mint nagyon fontos adal\u00e9kanyag, a viszkozit\u00e1si index jav\u00edt\u00f3 a kiv\u00e1l\u00f3 \u00e1ltal\u00e1nos teljes\u00edtm\u00e9ny\u0171 \u00faj viszkozit\u00e1si index jav\u00edt\u00f3 kifejleszt\u00e9se \u00e9s a molekul\u00e1ris tervez\u00e9si technol\u00f3gia alkalmaz\u00e1sa fel\u00e9 halad, hogy a megl\u00e9v\u0151 viszkozit\u00e1si index jav\u00edt\u00f3 alapj\u00e1n t\u00f6bbfunkci\u00f3s viszkozit\u00e1si index jav\u00edt\u00f3t szintetiz\u00e1ljon.<\/p>\n<h2><strong>Milyen hat\u00e1ssal vannak a viszkozit\u00e1si index jav\u00edt\u00f3k a benzinmotorolajok \u00fczemanyag-fogyaszt\u00e1s\u00e1ra?<\/strong><\/h2>\n<p>Az \u00fczemanyag-fogyaszt\u00e1s cs\u00f6kkent\u00e9se \u00e9s az \u00fczemanyag-takar\u00e9koss\u00e1g jav\u00edt\u00e1sa \u00e9rdek\u00e9ben a motor kialak\u00edt\u00e1s\u00e1nak jav\u00edt\u00e1sa mellett a motor s\u00farl\u00f3d\u00f3 r\u00e9szei k\u00f6z\u00f6tti ken\u00e9si \u00e1llapot jav\u00edt\u00e1sa is hat\u00e9kony m\u00f3dszer. \u00c1ltal\u00e1noss\u00e1gban elmondhat\u00f3, hogy a motor m\u0171k\u00f6d\u00e9se sor\u00e1n a csap\u00e1gyazott alkatr\u00e9szek f\u0151k\u00e9nt a rugalmas folyad\u00e9kken\u00e9s \u00e1llapot\u00e1ban vannak, m\u00edg a szeleprendszer, a dugatty\u00fa \u00e9s a hengerpal\u00e1st alkatr\u00e9szei f\u0151k\u00e9nt a hat\u00e1rken\u00e9s \u00e9s a vegyes ken\u00e9s \u00e1llapot\u00e1ban vannak. Foly\u00e9kony ken\u00e9si \u00e1llapotban az alacsony viszkozit\u00e1s\u00fa benzinmotorolaj kiv\u00e1laszt\u00e1s\u00e1val cs\u00f6kkenthet\u0151 a s\u00farl\u00f3d\u00e1si vesztes\u00e9g; a hat\u00e1rken\u00e9si \u00e1llapotban a s\u00farl\u00f3d\u00e1si vesztes\u00e9g cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben a s\u00farl\u00f3d\u00e1sjav\u00edt\u00f3 hozz\u00e1ad\u00e1sa a motorolajhoz hat\u00e9konyabb m\u00f3dszer. A vegyes ken\u00e9si \u00e1llapot eset\u00e9n figyelembe kell venni a benzinmotorolaj viszkozit\u00e1si jellemz\u0151inek \u00e9s s\u00farl\u00f3d\u00e1si jellemz\u0151inek optimaliz\u00e1l\u00e1s\u00e1t.<br \/>\nA szem\u00e9lyg\u00e9pkocsik \u00fczemanyag-fogyaszt\u00e1s\u00e1nak jav\u00edt\u00e1sa \u00e9rdek\u00e9ben meg kell vizsg\u00e1lni a benzinmotorolaj \u00f6sszetev\u0151inek hat\u00e1s\u00e1t az \u00fczemanyag-fogyaszt\u00e1sra. A ken\u0151olajok viszkozit\u00e1si-h\u0151m\u00e9rs\u00e9kleti tulajdons\u00e1gait jav\u00edt\u00f3 adal\u00e9kanyagk\u00e9nt a viszkozit\u00e1si indexjav\u00edt\u00f3kat sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k a motorolajokban.<br \/>\nGyakran haszn\u00e1lt viszkozit\u00e1si indexjav\u00edt\u00f3k a hidrog\u00e9nezett sztirol-di\u00e9n kopolimer (HSD), olefin kopolimer (OCP), polimetakril\u00e1t (PMA), hidrog\u00e9nezett sztirol-izopr\u00e9n kopolimer (SDC), poliizobutil\u00e9n (PIB) stb. Az OCP \u00e9s a HSD \u00e1tfog\u00f3 teljes\u00edtm\u00e9nye jobb, de a HSD jobb ny\u00edr\u00f3\u00e1ll\u00f3 tulajdons\u00e1ggal rendelkezik, mint az OCP, amelyet gyakrabban haszn\u00e1lnak a magas min\u0151s\u00e9g\u0171 benzinmotorolajban. A PMA-t szint\u00e9n sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k a nagy teljes\u00edtm\u00e9ny\u0171 benzinmotorolajokban, mivel a benzinmotorolaj alacsony h\u0151m\u00e9rs\u00e9klet\u0171 teljes\u00edtm\u00e9ny\u00e9t \u00e9s viszkozit\u00e1si index\u00e9t jav\u00edt\u00f3 tulajdons\u00e1gokkal rendelkezik. Arr\u00f3l sz\u00e1moltak be, hogy a PMA viszkozit\u00e1si index jav\u00edt\u00f3val formul\u00e1zott benzinmotorolaj seg\u00edthet a f\u00e9mfel\u00fcleten magas h\u0151m\u00e9rs\u00e9kleten \u00e9s alacsony fordulatsz\u00e1mon hat\u00e1rfel\u00fcleti olajfilm kialak\u00edt\u00e1s\u00e1ban, ami jelent\u0151sen cs\u00f6kkentheti a s\u00farl\u00f3d\u00e1st \u00e9s jav\u00edthatja a benzinmotorolaj \u00fczemanyag-takar\u00e9koss\u00e1g\u00e1t.<br \/>\nEgy HSD viszkozit\u00e1si indexjav\u00edt\u00f3t \u00e9s h\u00e1rom PMA viszkozit\u00e1si indexjav\u00edt\u00f3t (a PMA1 viszkozit\u00e1si indexjav\u00edt\u00f3, a PMA2 viszkozit\u00e1si indexjav\u00edt\u00f3 \u00e9s a PMA3 viszkozit\u00e1si indexjav\u00edt\u00f3) v\u00e1lasztottak ki a benzinmotorolaj n\u00e9gy 0W-20 viszkozit\u00e1si fokozat\u00e1nak kialak\u00edt\u00e1s\u00e1hoz. A nagyfrekvenci\u00e1s dugatty\u00fas berendez\u00e9s (HFRR) \u00e9s a motor\u00e1llv\u00e1ny seg\u00edts\u00e9g\u00e9vel \u00f6sszehasonl\u00edt\u00f3an megvizsg\u00e1lt\u00e1k e n\u00e9gy viszkozit\u00e1si indexjav\u00edt\u00f3 hat\u00e1s\u00e1t a benzinmotor \u00fczemanyag-fogyaszt\u00e1s\u00e1ra.<br \/>\n1 Vizsg\u00e1l\u00f3berendez\u00e9s<br \/>\n1.1 Nagyfrekvenci\u00e1s dugatty\u00fas f\u00far\u00f3torony<br \/>\nA HFRR egy mikroprocesszor-vez\u00e9rl\u00e9s\u0171 dugatty\u00fas kop\u00e1svizsg\u00e1l\u00f3 rendszer a benzinmotorolajok s\u00farl\u00f3d\u00e1si \u00e9s kop\u00e1si jellemz\u0151inek vizsg\u00e1lat\u00e1ra.A HFRR k\u00e9pes szimul\u00e1lni a motor hengerpal\u00e1st - dugatty\u00fa (gy\u0171r\u0171) \u00e9s m\u00e1s alkatr\u00e9szek oda-vissza mozg\u00e1s\u00e1nak s\u00farl\u00f3d\u00e1s\u00e1t, \u00e9s a vizsg\u00e1lati param\u00e9terek (s\u00farl\u00f3d\u00e1si t\u00e9nyez\u0151, kop\u00e1si folt \u00e1tm\u00e9r\u0151) \u00f6sszehasonl\u00edt\u00e1s\u00e1val vizsg\u00e1lja a benzinmotorolajok ken\u00e9si hat\u00e1s\u00e1t.<br \/>\n1.2 Motortart\u00f3 \u00e1llv\u00e1ny<br \/>\nEgy aut\u00f3gy\u00e1r \u00e1ltal gy\u00e1rtott 1,2 literes turb\u00f3felt\u00f6lt\u0151s, k\u00f6zvetlen befecskendez\u00e9s\u0171 motort egy nyomat\u00e9km\u00e9r\u0151 karim\u00e1n kereszt\u00fcl egy dinamom\u00e9terhez csatlakoztatnak, \u00e9s a s\u00farl\u00f3d\u00e1si nyomat\u00e9k \u00e9rt\u00e9k\u00e9t k\u00fcl\u00f6nb\u00f6z\u0151 \u00fczemi k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt \u00fagy vizsg\u00e1lj\u00e1k, hogy a motort egy elektromos motorral gy\u00fajt\u00e1smentes \u00e1llapotban visszah\u00fazz\u00e1k. A motor\u00e1llv\u00e1nyt az 1. \u00e1bra mutatja.<\/p>\n<p>2 Tesztminta<br \/>\nEgy HSD viszkozit\u00e1si indexjav\u00edt\u00f3t \u00e9s h\u00e1rom PMA viszkozit\u00e1si indexjav\u00edt\u00f3t (a PMA1 viszkozit\u00e1si indexjav\u00edt\u00f3, a PMA2 viszkozit\u00e1si indexjav\u00edt\u00f3 \u00e9s a PMA3 viszkozit\u00e1si indexjav\u00edt\u00f3) v\u00e1lasztottak ki vizsg\u00e1lati mintak\u00e9nt, \u00e9s e n\u00e9gy viszkozit\u00e1si indexjav\u00edt\u00f3 n\u00e9h\u00e1ny jellemz\u0151 fizikai \u00e9s k\u00e9miai tulajdons\u00e1g\u00e1t az 1. t\u00e1bl\u00e1zat mutatja be.<\/p>\n<p>N\u00e9gy benzinmotorolaj-mint\u00e1t nyert\u00fcnk azonos alapolaj (API \u2162 alapolaj ugyanabb\u00f3l a t\u00e9telb\u0151l) \u00e9s f\u0151 hat\u00f3anyag felhaszn\u00e1l\u00e1s\u00e1val, v\u00e1ltozatlan ar\u00e1nyos\u00edt\u00e1s mellett. Ehhez a n\u00e9gy benzinmotorolaj-mint\u00e1hoz HSD viszkozit\u00e1si indexjav\u00edt\u00f3t, PMA1 viszkozit\u00e1si indexjav\u00edt\u00f3t, PMA2 viszkozit\u00e1si indexjav\u00edt\u00f3t \u00e9s PMA3 viszkozit\u00e1si indexjav\u00edt\u00f3t adtak, hogy sorban HSD benzinmotorolajat, PMA1 benzinmotorolajat, PMA2 benzinmotorolajat \u00e9s PMA3 benzinmotorolajat kapjanak. A viszkozit\u00e1si index jav\u00edt\u00f3szereket olyan mennyis\u00e9gben kell hozz\u00e1adni, amely a lehet\u0151 legk\u00f6zelebb van a benzinmotorolaj magas h\u0151m\u00e9rs\u00e9klet\u0171, nagy ny\u00edr\u00e1si viszkozit\u00e1s\u00fa (150 \u00b0C, 106 s-1 ) viszkozit\u00e1si oszt\u00e1ly\u00e1hoz, amely k\u00f6zel van a 0W-20 viszkozit\u00e1si oszt\u00e1ly 2,60 mPa - s \u00e9rt\u00e9k\u00e9hez, a jobb \u00fczemanyag-fogyaszt\u00e1s el\u00e9r\u00e9se \u00e9rdek\u00e9ben.A HSD benzinmotorolajok, a PMA1 benzinmotorolajok, a PMA2 benzinmotorolajok \u00e9s a PMA3 benzinmotorolajok jellemz\u0151 fizikai-k\u00e9miai adatait a 2. t\u00e1bl\u00e1zat mutatja.<\/p>\n<p>3 Eredm\u00e9nyek \u00e9s vita<br \/>\n3.1 Nagyfrekvenci\u00e1s dugatty\u00faz\u00e1si szimul\u00e1ci\u00f3s vizsg\u00e1lat<br \/>\nA nagyfrekvenci\u00e1s reciprok\u00e1l\u00f3 tesztel\u0151 (HFRR) szimul\u00e1ci\u00f3s vizsg\u00e1lati felt\u00e9telei a k\u00f6vetkez\u0151k: 1 mm l\u00f6ket, 40 Hz frekvencia, 3,92 N terhel\u00e9s, 80 \u2103 \u00e9s 110 \u2103 h\u0151m\u00e9rs\u00e9klet, \u00e9s 15 perc mindegyik h\u0151m\u00e9rs\u00e9kleti ponton; a HFRR s\u00farl\u00f3d\u00f3 goly\u00f3 anyaga AISI E-52100 ac\u00e9l, Rockwell-kem\u00e9nys\u00e9ge 58-66, \u00e9s a s\u00farl\u00f3d\u00f3 t\u00e1rcsa anyaga AISI E-52100 ac\u00e9l. A HSD benzinmotorolaj, a PMA1 benzinmotorolaj, a PMA2 benzinmotorolaj \u00e9s a PMA3 benzinmotorolaj s\u00farl\u00f3d\u00e1si t\u00e9nyez\u0151j\u00e9t \u00e9s folt\u00e1tm\u00e9r\u0151j\u00e9t HFRR szimul\u00e1ci\u00f3s teszttel vizsg\u00e1ltuk, az eredm\u00e9nyeket a 3. t\u00e1bl\u00e1zat mutatja.<\/p>\n<p>Az eredm\u00e9nyeket a 3. t\u00e1bl\u00e1zat mutatja be. A 3. t\u00e1bl\u00e1zat vizsg\u00e1lat\u00e1b\u00f3l l\u00e1that\u00f3, hogy a PMA1 benzinmotorolaj jobban cs\u00f6kkenti a s\u00farl\u00f3d\u00e1si t\u00e9nyez\u0151t, ami azt jelzi, hogy a PMA1 benzinmotorolaj jobb s\u00farl\u00f3d\u00e1scs\u00f6kkent\u0151 \u00e9s ken\u00e9si teljes\u00edtm\u00e9nyt ny\u00fajt. Ennek oka, hogy a PMA1 ny\u00edr\u00e1si stabilit\u00e1si indexe (SSI) kisebb (l\u00e1sd 1. t\u00e1bl\u00e1zat), a ny\u00edr\u00e1si stabilit\u00e1s jobb, \u00e9s a 100 \u2103-os kinematikai viszkozit\u00e1s viszonylag alacsony (l\u00e1sd 2. t\u00e1bl\u00e1zat). Ez azt jelzi, hogy a j\u00f3 ny\u00edr\u00e1si stabilit\u00e1s\u00fa \u00e9s alacsony 100 \u2103-os kinematikai viszkozit\u00e1s\u00fa benzinmotorolajok jobban el\u0151seg\u00edtik a s\u00farl\u00f3d\u00e1si t\u00e9nyez\u0151 cs\u00f6kkent\u00e9s\u00e9t. A kop\u00f3foltok \u00e1tm\u00e9r\u0151je szempontj\u00e1b\u00f3l a PMA2 benzinmotorolaj kop\u00e1sa csek\u00e9ly, a PMA3 benzinmotorolaj kop\u00e1sa pedig komoly, ami azt jelzi, hogy min\u00e9l nagyobb a benzinmotorolaj 100 \u2103-os kinematikai viszkozit\u00e1sa (l\u00e1sd 2. t\u00e1bl\u00e1zat), ann\u00e1l jobban seg\u00edti a s\u00farl\u00f3d\u00f3 alkatr\u00e9szek kop\u00e1s\u00e1nak cs\u00f6kkent\u00e9s\u00e9t.<br \/>\n3.2 A motor h\u00e1ts\u00f3 l\u00e9gellen\u00e1ll\u00e1si vizsg\u00e1lata<br \/>\nA HSD benzinmotorolaj, a PMA1 benzinmotorolaj, a PMA2 benzinmotorolaj \u00e9s a PMA3 benzinmotorolaj s\u00farl\u00f3d\u00e1si nyomat\u00e9k\u00e1t a motor energiatakar\u00e9kos \u00e1llv\u00e1ny\u00e1n vizsg\u00e1lt\u00e1k egy visszafel\u00e9 ir\u00e1nyul\u00f3 ellen\u00e1ll\u00e1si tesztben, hogy tesztelj\u00e9k a k\u00fcl\u00f6nb\u00f6z\u0151 viszkozit\u00e1si indexjav\u00edt\u00f3kkal formul\u00e1zott benzinmotorolajok t\u00e9nyleges \u00fczemanyag-takar\u00e9koss\u00e1g\u00e1t.<br \/>\nA vizsg\u00e1lat sor\u00e1n a referenciaolaj s\u00farl\u00f3d\u00e1si nyomat\u00e9k\u00e1t (a tov\u00e1bbiakban: s\u00farl\u00f3d\u00e1s el\u0151tti nyomat\u00e9k) m\u00e9rt\u00e9k egy bizonyos h\u0151m\u00e9rs\u00e9kleten \u00e9s sebess\u00e9gen, majd a tesztolajokat (azaz a HSD, PMA1, PMA2 \u00e9s PMA3) \u00e1t\u00f6bl\u00edtett\u00e9k, \u00e9s a tesztolajok s\u00farl\u00f3d\u00e1si nyomat\u00e9k\u00e1t ugyanilyen k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt m\u00e9rt\u00e9k, majd a referenciaolajok s\u00farl\u00f3d\u00e1si nyomat\u00e9k\u00e1t vizsg\u00e1lt\u00e1k (a tov\u00e1bbiakban: s\u00farl\u00f3d\u00e1s ut\u00e1ni nyomat\u00e9k). A referenciaolaj s\u00farl\u00f3d\u00e1si nyomat\u00e9k\u00e1t \u00f6sszehasonl\u00edtott\u00e1k a tesztolaj s\u00farl\u00f3d\u00e1si nyomat\u00e9k\u00e1val \u00fagy, hogy a referenciaolaj s\u00farl\u00f3d\u00e1si nyomat\u00e9k\u00e1nak \u00e9s a tesztolaj s\u00farl\u00f3d\u00e1si nyomat\u00e9k\u00e1nak \u00e1tlag\u00e1t vett\u00e9k, \u00e9s \u00edgy kisz\u00e1m\u00edtott\u00e1k a kett\u0151 k\u00f6z\u00f6tti nyomat\u00e9kk\u00fcl\u00f6nbs\u00e9get (nyomat\u00e9kk\u00fcl\u00f6nbs\u00e9g = a referenciaolaj \u00e1tlagos s\u00farl\u00f3d\u00e1si nyomat\u00e9ka - a tesztolaj s\u00farl\u00f3d\u00e1si nyomat\u00e9ka), majd v\u00e9g\u00fcl a k\u00fcl\u00f6nb\u00f6z\u0151 viszkozit\u00e1sindex-m\u00f3dos\u00edt\u00f3kkal kevert olajok \u00fczemanyag-fogyaszt\u00e1s\u00e1t az NEDC (\u00daj Eur\u00f3pai Vezet\u00e9si Ciklus) szimul\u00e1ci\u00f3s ciklus tesztprogram seg\u00edts\u00e9g\u00e9vel sz\u00e1m\u00edtott\u00e1k ki. V\u00e9g\u00fcl a k\u00fcl\u00f6nb\u00f6z\u0151 viszkozit\u00e1si indexjav\u00edt\u00f3kkal kevert HSD, PMA1, PMA2 \u00e9s PMA3 benzinmotorolajok \u00fczemanyag-fogyaszt\u00e1s\u00e1t az NEDC (\u00daj eur\u00f3pai vezet\u00e9si ciklus) szimul\u00e1ci\u00f3s ciklus teszt \u00fczemanyag-fogyaszt\u00e1si szoftver seg\u00edts\u00e9g\u00e9vel sz\u00e1m\u00edtott\u00e1k ki.<br \/>\nAz NEDC-ciklusvizsg\u00e1lat hozz\u00e1vet\u0151leges teljes\u00edtm\u00e9nys\u0171r\u0171s\u00e9g-eloszl\u00e1sa alapj\u00e1n meghat\u00e1rozt\u00e1k az NEDC-ciklusvizsg\u00e1lat m\u0171k\u00f6d\u00e9si felt\u00e9teleit, azaz a 35 \u00b0C, 50 \u00b0C, 80 \u00b0C \u00e9s 110 \u00b0C olajh\u0151m\u00e9rs\u00e9kletet, az 1100 r\/min, 1450 r\/min, 2000 r\/min, 2500 r\/min, 3000 r\/min, 3500 r\/min, 4000 r\/min \u00e9s 4500 r\/min motorfordulatsz\u00e1mokat, valamint a PMA3 benzinmotorolaj \u00fczemanyag-fogyaszt\u00e1s\u00e1t. A motor fordulatsz\u00e1ma 1100 r\/min, 1450 r\/min, 2000 r\/min, 2500 r\/min, 3000 r\/min, 3500 r\/min, 4000 r\/min \u00e9s 4500 r\/min volt, a referenciaolaj pedig 0W-30 viszkozit\u00e1si fokozat\u00fa benzinmotorolaj volt.<br \/>\nA HSD benzinmotorolaj, a PMA1 benzinmotorolaj, a PMA2 benzinmotorolaj \u00e9s a PMA3 benzinmotorolaj nyomat\u00e9k\u00e1t vizsg\u00e1lt\u00e1k, \u00e9s kisz\u00e1m\u00edtott\u00e1k a referenciaolaj \u00e9s a tesztolaj k\u00f6z\u00f6tti nyomat\u00e9kk\u00fcl\u00f6nbs\u00e9get k\u00fcl\u00f6nb\u00f6z\u0151 h\u0151m\u00e9rs\u00e9kleteken \u00e9s motorfordulatsz\u00e1mokon, amint az a 2. \u00e1br\u00e1n - 5. \u00e1br\u00e1n l\u00e1that\u00f3.<\/p>\n<p>&nbsp;<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical sourcing checklist for general industrial chemicals<\/h2>\n<p>General chemical decisions usually become clearer when teams move from theory to application fit: what the material needs to do, how pure it needs to be, how it behaves in the real process, and what downstream constraints it must satisfy.<\/p>\n<ul>\n<li><strong>Define the use case first:<\/strong> laboratory understanding and industrial purchasing often need different levels of specification detail.<\/li>\n<li><strong>Check process compatibility:<\/strong> handling, blending, stability, and downstream interaction often determine whether a material is practical to use.<\/li>\n<li><strong>Review storage and transport behavior:<\/strong> shelf life, moisture sensitivity, temperature range, and packaging can all matter commercially.<\/li>\n<li><strong>Use sample validation when the application is critical:<\/strong> small-scale confirmation often saves the most time before a full purchasing decision.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiao-1010-cas-6683-19-8\/\">CHLUMIAO 1010<\/a>:<\/strong> A widely used primary antioxidant benchmark for long-term thermal stability.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiao-168-cas-31570-04-4\/\">CHLUMIAO 168<\/a>:<\/strong> A practical process-stability reference when hydroperoxide control matters.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/acetyl-tributyl-citrate-cas-77-90-7\/\">CHLUMIFLEX ATBC<\/a>:<\/strong> A practical non-phthalate plasticizer reference for application and compliance screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/dotp-cas-6422-86-2\/\">CHLUMIFLEX DOTP<\/a>:<\/strong> A standard terephthalate-plasticizer benchmark in flexible-plastics applications.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why can a material that looks correct on paper still underperform in use?<\/strong><br \/>Because real-world process conditions, substrate interaction, and storage behavior can reveal problems that are not obvious in a simplified specification review.<\/p>\n<p><strong>Should technical chemical selection always start with the lowest-cost option?<\/strong><br \/>Not usually. The lowest purchase price is not always the lowest use cost once process fit, stability, and downstream quality are considered.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>In recent years, lubricants in various types of automobiles, machinery and equipment to reduce friction, protection of machinery and processed parts of the liquid or semi-solid lubricants are more and<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[],"class_list":["post-6559","post","type-post","status-publish","format-standard","hentry","category-soresyn-resin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Analysis of factors affecting the quality of lubricant blending - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"In recent years, lubricants in various types of automobiles, machinery and equipment to reduce friction, protection of machinery and processed parts of...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/hu\/analysis-of-factors-affecting-the-quality-of-lubricant-blending\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analysis of factors affecting the quality of lubricant blending - 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