{"id":7676,"date":"2024-12-09T11:26:57","date_gmt":"2024-12-09T11:26:57","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7676"},"modified":"2026-04-28T10:42:44","modified_gmt":"2026-04-28T10:42:44","slug":"eliminating-foam-how-to-choose-an-antifoam-agent","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/eliminating-foam-how-to-choose-an-antifoam-agent\/","title":{"rendered":"A hab megsz\u00fcntet\u00e9se: Hogyan v\u00e1lasszunk habz\u00e1sg\u00e1tl\u00f3t?"},"content":{"rendered":"<h1><strong>A hab megsz\u00fcntet\u00e9se: Hogyan v\u00e1lasszunk habz\u00e1sg\u00e1tl\u00f3t?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Gyors v\u00e1lasz:<\/strong> Printing ink decisions are usually made by balancing rheology, transfer quality, drying or curing behavior, and final substrate performance. The most useful answer comes from testing the real press condition, not only theoretical formulation rules.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>A habk\u00e9pz\u0151d\u00e9s gyakran okoz kellemetlens\u00e9geket \u00e9s probl\u00e9m\u00e1kat az ipari termel\u00e9sben \u00e9s a mindennapi \u00e9letben, ez\u00e9rt a hat\u00e9kony habtelen\u00edt\u00e9si m\u00f3dszer megtal\u00e1l\u00e1sa kulcsfontoss\u00e1g\u00fav\u00e1 v\u00e1lt.<\/p>\n<p>A habtelen\u00edt\u00e9s m\u00f3dszerei k\u00e9t kateg\u00f3ri\u00e1ba sorolhat\u00f3k: fizikai \u00e9s k\u00e9miai m\u00f3dszerek.<\/p>\n<p>Fizikai szempontb\u00f3l sz\u00e1mos m\u00f3dszer alkalmazhat\u00f3 a hab elt\u00e1vol\u00edt\u00e1s\u00e1ra. P\u00e9ld\u00e1ul terel\u0151lapok vagy sz\u0171r\u0151k haszn\u00e1lhat\u00f3k a hab kialakul\u00e1s\u00e1nak \u00e9s t\u00fal\u00e9l\u00e9s\u00e9nek mechanikai megakad\u00e1lyoz\u00e1s\u00e1ra; mechanikus kever\u00e9s haszn\u00e1lhat\u00f3 a hab stabilit\u00e1s\u00e1nak k\u00fcls\u0151 er\u0151kkel t\u00f6rt\u00e9n\u0151 megt\u00f6r\u00e9s\u00e9re; elektrosztatikus hat\u00e1sok megv\u00e1ltoztathatj\u00e1k a hab t\u00f6lt\u00e9seloszl\u00e1s\u00e1t \u00e9s el\u0151seg\u00edthetik annak felszakad\u00e1s\u00e1t; a fagyaszt\u00e1s \u00e9s a meleg\u00edt\u00e9s a h\u0151m\u00e9rs\u00e9klet-v\u00e1ltoz\u00e1s szempontj\u00e1b\u00f3l befoly\u00e1solhatja a hab fizikai tulajdons\u00e1gait, illetve t\u00f6nkreteheti a habfilm stabilit\u00e1s\u00e1t; a g\u0151z , a sug\u00e1rz\u00e1s, a nagy sebess\u00e9g\u0171 centrifug\u00e1l\u00e1s, a nyom\u00e1s al\u00e1 helyez\u00e9s \u00e9s nyom\u00e1scs\u00f6kkent\u00e9s, a nagyfrekvenci\u00e1s rezg\u00e9s, a pillanatnyi kis\u00fcl\u00e9s \u00e9s az ultrahang (hanghull\u00e1mos folyad\u00e9kszab\u00e1lyoz\u00e1s) k\u00fcl\u00f6nb\u00f6z\u0151 m\u00e9rt\u00e9kben n\u00f6velheti a g\u00e1z\u00e1tereszt\u0151 k\u00e9pess\u00e9get a folyad\u00e9kfilm mindk\u00e9t v\u00e9g\u00e9n, felgyors\u00edthatja a bubor\u00e9kfilm kil\u00f6k\u0151d\u00e9s\u00e9t, \u00e9s a hab stabilit\u00e1si egy\u00fctthat\u00f3ja alacsonyabb lesz, mint a csillap\u00edt\u00e1si egy\u00fctthat\u00f3ja, ez\u00e1ltal fokozatosan cs\u00f6kkentve a hab mennyis\u00e9g\u00e9t. Ezeket a fizikai m\u00f3dszereket azonban egy\u00e9rtelm\u0171en korl\u00e1tozz\u00e1k a k\u00f6rnyezeti t\u00e9nyez\u0151k, \u00e9s neh\u00e9z magas szint\u0171 habtelen\u00edt\u00e9si hat\u00e9konys\u00e1got el\u00e9rni. El\u0151ny\u00fck azonban, hogy k\u00f6rnyezetbar\u00e1tok, \u00e9s magas az \u00fajrahasznos\u00edt\u00e1si ar\u00e1nyuk, \u00edgy m\u00e9g mindig \u00e9rt\u00e9kesek bizonyos forgat\u00f3k\u00f6nyvekben, ahol a k\u00f6rnyezetv\u00e9delmi k\u00f6vetelm\u00e9nyek szigor\u00faak.<\/p>\n<p>Chemical defoaming methods mainly include chemical reaction methods and defoamer addition methods. Chemical reaction methods involve adding specific reagents to the foam system to cause a chemical reaction with the foaming agent, generating substances that are insoluble in water, thereby reducing the concentration of surfactant in the liquid film and ultimately causing the foam to break. However, this method faces the dilemma of difficulty in determining the composition of the foaming agent, and the insoluble substances produced may damage the system equipment. In various industries today, the addition of defoamers such as <a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-094\/\">CHLUMIAF 094 Defoamer<\/a> \u00e9s <a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-3062\/\">CHLUMIAF 3062 Defoamer<\/a> is the most widely used means of defoaming. Its greatest advantage is its high defoaming efficiency and extreme ease of use, but the key is to find a suitable and highly effective defoamer product.<\/p>\n<p>A habz\u00e1sg\u00e1tl\u00f3k m\u0171k\u00f6d\u00e9si elve k\u00fcl\u00f6nb\u00f6z\u0151 form\u00e1kat \u00f6lthet. Az egyik m\u00f3d a hab helyi fel\u00fcleti fesz\u00fclts\u00e9g\u00e9nek cs\u00f6kkent\u00e9se. P\u00e9ld\u00e1ul a nagy min\u0151s\u00e9g\u0171 alkoholok vagy n\u00f6v\u00e9nyi olajok habba permetez\u00e9se, amikor azok a habfolyad\u00e9kban felold\u00f3dnak, jelent\u0151sen cs\u00f6kkenthetik a helyi fel\u00fcleti fesz\u00fclts\u00e9get. Mivel ezen anyagok v\u00edzben val\u00f3 oldhat\u00f3s\u00e1ga alacsony, a fel\u00fcleti fesz\u00fclts\u00e9g cs\u00f6kken\u00e9se a hab helyi ter\u00fclet\u00e9re korl\u00e1toz\u00f3dik, \u00e9s a k\u00f6r\u00fcl\u00f6tte l\u00e9v\u0151 fel\u00fcleti fesz\u00fclts\u00e9g szinte v\u00e1ltozatlan marad. A fel\u00fcleti fesz\u00fclts\u00e9g cs\u00f6kkentett r\u00e9sze er\u0151sen a k\u00f6rnyezet fel\u00e9 h\u00faz\u00f3dik, \u00e9s addig t\u00e1gul, am\u00edg a hab meg nem szakad. Vegy\u00fcnk p\u00e9ld\u00e1nak n\u00e9h\u00e1ny reakci\u00f3ed\u00e9nyt a vegyipari termel\u00e9sben. A reakci\u00f3 sor\u00e1n nagy mennyis\u00e9g\u0171 hab keletkezik. Ha m\u00e9rs\u00e9kelt mennyis\u00e9g\u0171, kiv\u00e1l\u00f3 min\u0151s\u00e9g\u0171 alkoholos habz\u00e1sg\u00e1tl\u00f3t adunk hozz\u00e1, a hab stabilit\u00e1sa hat\u00e9konyan megsemmis\u00edthet\u0151, \u00edgy a reakci\u00f3 z\u00f6kken\u0151mentesen folytat\u00f3dhat. M\u00e1sodszor, miut\u00e1n a habz\u00e1sg\u00e1tl\u00f3t hozz\u00e1adj\u00e1k a habrendszerhez, az a g\u00e1z-folyad\u00e9k hat\u00e1rfel\u00fcletre terjed, \u00e9s megsemmis\u00edti a habstabilit\u00e1ssal rendelkez\u0151 fel\u00fcletakt\u00edv anyag azon k\u00e9pess\u00e9g\u00e9t, hogy helyre\u00e1ll\u00edtsa a film rugalmass\u00e1g\u00e1t, \u00edgy a bubor\u00e9kok felszakadnak. Harmadszor, a habz\u00e1sg\u00e1tl\u00f3k el\u0151seg\u00edthetik a foly\u00e9kony filmek kis\u00fcl\u00e9s\u00e9t. A hab ki\u00fcr\u00fcl\u00e9si sebess\u00e9ge szorosan \u00f6sszef\u00fcgg a habstabilit\u00e1ssal. Azok az anyagok, amelyek k\u00e9pesek felgyors\u00edtani a habkis\u00fcl\u00e9st, habmentes\u00edt\u0151 hat\u00e1ssal is rendelkezhetnek. Negyedszer, a bubor\u00e9kok fel\u00fclet\u00e9re hozz\u00e1adott hidrof\u00f3b szil\u00e1rd r\u00e9szecsk\u00e9k vonzz\u00e1k a fel\u00fcletakt\u00edv anyagok hidrof\u00f3b v\u00e9geit, hidrof\u00f3b r\u00e9szecsk\u00e9k hidrofilekk\u00e9 v\u00e1lnak, \u00e9s bel\u00e9pnek a vizes f\u00e1zisba, ez\u00e1ltal felszak\u00edtva a bubor\u00e9kokat. Ez az elv alkalmazhat\u00f3 egyes szennyv\u00edztiszt\u00edt\u00e1si elj\u00e1r\u00e1sokban a habk\u00e9pz\u0151d\u00e9s megsz\u00fcntet\u00e9s\u00e9re specifikus hidrof\u00f3b szil\u00e1rd r\u00e9szecsk\u00e9k hozz\u00e1ad\u00e1s\u00e1val. \u00d6t\u00f6dsz\u00f6r, n\u00e9h\u00e1ny alacsony molekul\u00e1j\u00fa anyag, amely teljesen elkeveredhet az oldattal, mint p\u00e9ld\u00e1ul az alkoholok, mint az oktanol, az etanol \u00e9s a propanol, feloldhatj\u00e1k a fel\u00fcletakt\u00edv anyagot a bubor\u00e9k fel\u00fclet\u00e9n, cs\u00f6kkentve annak hat\u00e9kony koncentr\u00e1ci\u00f3j\u00e1t. Nemcsak a fel\u00fcletakt\u00edv anyag koncentr\u00e1ci\u00f3j\u00e1t cs\u00f6kkenthetik a fel\u00fcleti r\u00e9tegben, hanem a fel\u00fcletakt\u00edv anyag adszorpci\u00f3s r\u00e9teg\u00e9ben is felold\u00f3dhatnak, gyeng\u00edtve a hab stabilit\u00e1s\u00e1t. Hatodszor, a habk\u00e9pz\u0151 folyad\u00e9kok eset\u00e9ben, amelyek a tenzid kett\u0151s elektromos r\u00e9teg\u00e9nek k\u00f6lcs\u00f6nhat\u00e1s\u00e1ra t\u00e1maszkodnak a habban a stabilit\u00e1s el\u0151\u00e1ll\u00edt\u00e1sa \u00e9rdek\u00e9ben, egy k\u00f6z\u00f6s elektrolit hozz\u00e1ad\u00e1sa elpuszt\u00edthatja a tenzid kett\u0151s elektromos r\u00e9teg\u00e9t a habmentes\u00edt\u00e9s c\u00e9lj\u00e1nak el\u00e9r\u00e9se \u00e9rdek\u00e9ben.<\/p>\n<p>A szok\u00e1sos habz\u00e1sg\u00e1tl\u00f3k \u00f6sszet\u00e9tel\u00fck alapj\u00e1n szilikon (gyanta), fel\u00fcletakt\u00edv anyag, paraffin \u00e9s \u00e1sv\u00e1nyi olaj csoportba sorolhat\u00f3k. A szilikon habz\u00e1sg\u00e1tl\u00f3k, m\u00e1s n\u00e9ven emulge\u00e1l\u00f3 habz\u00e1sg\u00e1tl\u00f3k, a szilikongyant\u00e1k v\u00edzben emulge\u00e1l\u00f3szerek (fel\u00fcletakt\u00edv anyagok) seg\u00edts\u00e9g\u00e9vel t\u00f6rt\u00e9n\u0151 emulge\u00e1l\u00e1s\u00e1val, majd a szennyv\u00edzhez val\u00f3 hozz\u00e1ad\u00e1s\u00e1val k\u00e9sz\u00fclnek. A szil\u00edcium-dioxid finom por egy m\u00e1sik t\u00edpus\u00fa szilikon habz\u00e1sg\u00e1tl\u00f3, amely kiv\u00e1l\u00f3 habz\u00e1sg\u00e1tl\u00f3 tulajdons\u00e1gokkal rendelkezik. A fel\u00fcletakt\u00edv habz\u00e1sg\u00e1tl\u00f3k tulajdonk\u00e9ppen emulge\u00e1l\u00f3szerek, amelyek diszperg\u00e1l\u00f3 hat\u00e1sukat arra haszn\u00e1lj\u00e1k, hogy a habz\u00f3 anyagokat stabilan emulge\u00e1lt \u00e1llapotban tarts\u00e1k a v\u00edzben, ez\u00e1ltal megakad\u00e1lyozz\u00e1k a habk\u00e9pz\u0151d\u00e9st. A paraffinos habz\u00e1sg\u00e1tl\u00f3kat paraffin vagy annak sz\u00e1rmaz\u00e9kai emulge\u00e1l\u00f3szerekkel t\u00f6rt\u00e9n\u0151 emulge\u00e1l\u00e1s\u00e1val \u00e9s diszperg\u00e1l\u00e1s\u00e1val \u00e1ll\u00edtj\u00e1k el\u0151, \u00e9s felhaszn\u00e1l\u00e1suk hasonl\u00f3 a fel\u00fcletakt\u00edv anyagokkal emulge\u00e1l\u00f3 habz\u00e1sg\u00e1tl\u00f3k\u00e9hoz. Az \u00e1sv\u00e1nyi olaj a f\u0151 habz\u00e1sg\u00e1tl\u00f3 \u00f6sszetev\u0151, \u00e9s a hat\u00e1s fokoz\u00e1sa \u00e9rdek\u00e9ben n\u00e9ha olyan anyagokat haszn\u00e1lnak kombin\u00e1ci\u00f3ban, mint a f\u00e9mszappanok, szilikonolajok \u00e9s szil\u00edcium-dioxid. Ezenk\u00edv\u00fcl k\u00fcl\u00f6nb\u00f6z\u0151 fel\u00fcletakt\u00edv anyagokat adnak hozz\u00e1, hogy az \u00e1sv\u00e1nyi olaj k\u00f6nnyebben elterjedjen a habos\u00edt\u00f3 folyad\u00e9k fel\u00fclet\u00e9n, vagy hogy a f\u00e9mszappanok egyenletesen eloszoljanak az \u00e1sv\u00e1nyi olajban.<\/p>\n<p>A k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa habz\u00e1sg\u00e1tl\u00f3knak megvannak a maguk el\u0151nyei \u00e9s h\u00e1tr\u00e1nyai. A szerves habz\u00e1sg\u00e1tl\u00f3k, mint p\u00e9ld\u00e1ul az \u00e1sv\u00e1nyolaj, az amidok, az alacsonyabb alkoholok, a zs\u00edrsavak \u00e9s zs\u00edrsav\u00e9szterek, valamint a foszf\u00e1tok a habz\u00e1sg\u00e1tl\u00f3k els\u0151 gener\u00e1ci\u00f3j\u00e1hoz tartoznak. Ezeket a habz\u00e1sg\u00e1tl\u00f3kat viszonylag kor\u00e1n kifejlesztett\u00e9k \u00e9s alkalmazt\u00e1k, \u00e9s el\u0151ny\u00fck, hogy k\u00f6nnyen beszerezhet\u0151 nyersanyagok, k\u00f6rnyezetbar\u00e1tok \u00e9s alacsonyak az el\u0151\u00e1ll\u00edt\u00e1si k\u00f6lts\u00e9geik. Ugyanakkor alacsony a habz\u00e1sg\u00e1tl\u00e1si hat\u00e9konys\u00e1guk, nagyon specifikusak, \u00e9s kem\u00e9ny felhaszn\u00e1l\u00e1si felt\u00e9telekhez k\u00f6t\u00f6ttek. A poli\u00e9ter habz\u00e1sg\u00e1tl\u00f3k m\u00e1sodik gener\u00e1ci\u00f3s habz\u00e1sg\u00e1tl\u00f3k, \u00e9s f\u0151k\u00e9nt line\u00e1ris poli\u00e9tereket, alkoholokat vagy aminokat inici\u00e1tork\u00e9nt tartalmaz\u00f3 poli\u00e9tereket \u00e9s termin\u00e1lis hidroxil-poli\u00e9tersz\u00e1rmaz\u00e9kokat tartalmaznak. Legnagyobb el\u0151ny\u00fck az er\u0151s habz\u00e1sg\u00e1tl\u00f3 k\u00e9pess\u00e9g\u00fck, \u00e9s egyesek kiv\u00e1l\u00f3 tulajdons\u00e1gokkal is rendelkeznek, mint p\u00e9ld\u00e1ul a magas h\u0151m\u00e9rs\u00e9kletnek val\u00f3 ellen\u00e1ll\u00e1s \u00e9s az er\u0151s savakkal \u00e9s l\u00fagokkal szembeni ellen\u00e1ll\u00e1s. Alkalmaz\u00e1si k\u00f6r\u00fclm\u00e9nyeiket azonban jelent\u0151sen korl\u00e1tozza a h\u0151m\u00e9rs\u00e9klet, \u00e9s alkalmaz\u00e1si ter\u00fclet\u00fck viszonylag sz\u0171k. Habmentes\u00edt\u0151 k\u00e9pess\u00e9g\u00fck \u00e9s bubor\u00e9kbont\u00f3 k\u00e9pess\u00e9g\u00fck jav\u00edt\u00e1sra szorul. Harmadik gener\u00e1ci\u00f3s habz\u00e1sg\u00e1tl\u00f3k\u00e9nt a szilikon habz\u00e1sg\u00e1tl\u00f3 er\u0151s habz\u00e1sg\u00e1tl\u00f3 tulajdons\u00e1gokkal, gyors bubor\u00e9kbont\u00e1si sebess\u00e9ggel, alacsony ill\u00e9konys\u00e1ggal rendelkezik, nem m\u00e9rgez\u0151 a k\u00f6rnyezetre, fiziol\u00f3giailag inert, \u00e9s sz\u00e9les alkalmaz\u00e1si ter\u00fclettel rendelkezik. Sz\u00e9lesk\u00f6r\u0171 alkalmaz\u00e1si kil\u00e1t\u00e1sokkal \u00e9s hatalmas piaci potenci\u00e1llal rendelkezik, de a habz\u00e1sg\u00e1tl\u00f3 teljes\u00edtm\u00e9nye n\u00e9h\u00e1ny konkr\u00e9t esetben m\u00e9g jav\u00edt\u00e1sra szorul. A poli\u00e9ter-m\u00f3dos\u00edtott poliszilox\u00e1n habz\u00e1sg\u00e1tl\u00f3 egyes\u00edti a poli\u00e9ter habz\u00e1sg\u00e1tl\u00f3 \u00e9s a szilikon habz\u00e1sg\u00e1tl\u00f3 el\u0151nyeit, \u00e9s ez a habz\u00e1sg\u00e1tl\u00f3k fejl\u0151d\u00e9si ir\u00e1nya. N\u00e9ha a ford\u00edtott oldhat\u00f3s\u00e1guk alapj\u00e1n \u00fajra felhaszn\u00e1lhat\u00f3k, de jelenleg kev\u00e9s ilyen t\u00edpus\u00fa habz\u00e1sg\u00e1tl\u00f3 l\u00e9tezik, \u00e9s m\u00e9g mindig a kutat\u00e1si \u00e9s fejleszt\u00e9si szakaszban vannak, \u00edgy az el\u0151\u00e1ll\u00edt\u00e1si k\u00f6lts\u00e9g viszonylag magas.<\/p>\n<p>A habz\u00e1sg\u00e1tl\u00f3 kiv\u00e1laszt\u00e1sakor sz\u00e1mos t\u00e9nyez\u0151t kell figyelembe venni. El\u0151sz\u00f6r is, a habz\u00e1sg\u00e1tl\u00f3nak oldhatatlannak vagy rosszul old\u00f3d\u00f3nak kell lennie a habos\u00edt\u00f3 folyad\u00e9kban. Mivel a habz\u00e1sg\u00e1tl\u00f3nak koncentr\u00e1l\u00f3dnia kell, \u00e9s ki kell fejtenie hat\u00e1s\u00e1t a habfilmre, fontos, hogy a habz\u00e1sg\u00e1tl\u00f3 gyorsan el\u00e9rje ezt az \u00e1llapotot, \u00e9s a habz\u00e1sg\u00e1tl\u00f3 szer folyamatosan fenntartsa azt. Ez\u00e9rt csak az oldhatatlan vagy rosszul old\u00f3d\u00f3 habz\u00e1sg\u00e1tl\u00f3k \u00e9rhetik el k\u00f6nnyen a habos\u00edt\u00f3 folyad\u00e9kban a t\u00faltel\u00edtett \u00e1llapotot, hogy a g\u00e1z-folyad\u00e9k hat\u00e1rfel\u00fcleten felhalmoz\u00f3dhassanak, \u00e9s a bubor\u00e9kfilmre koncentr\u00e1l\u00f3dva alacsonyabb koncentr\u00e1ci\u00f3ban fejthess\u00e9k ki hat\u00e1sukat. A vizes rendszerekben haszn\u00e1lt habz\u00e1sg\u00e1tl\u00f3k eset\u00e9ben a hat\u00f3anyagmolekul\u00e1knak er\u0151sen hidrof\u00f3bnak \u00e9s gyeng\u00e9n hidrofilnek kell lenni\u00fck, \u00e9s akkor m\u0171k\u00f6dnek a legjobban, ha a HLB-\u00e9rt\u00e9k 1,5 \u00e9s 3 k\u00f6z\u00f6tt van. P\u00e9ld\u00e1ul a v\u00edzb\u00e1zis\u00fa fest\u00e9kek gy\u00e1rt\u00e1sakor, ha a habz\u00e1sg\u00e1tl\u00f3 nem megfelel\u0151en old\u00f3dik, nem lesz k\u00e9pes hat\u00e9konyan megsz\u00fcntetni a habot, \u00e9s a fest\u00e9k min\u0151s\u00e9g\u00e9t \u00e9s teljes\u00edtm\u00e9ny\u00e9t is befoly\u00e1solhatja. M\u00e1sodszor, a habz\u00e1sg\u00e1tl\u00f3 fel\u00fcleti fesz\u00fclts\u00e9g\u00e9nek kisebbnek kell lennie, mint a habz\u00f3 folyad\u00e9k\u00e9. Csak akkor tudnak a habz\u00e1sg\u00e1tl\u00f3 r\u00e9szecsk\u00e9k behatolni \u00e9s kiterjedni a habfilmre, ha a habz\u00e1sg\u00e1tl\u00f3 molekul\u00e1k intermolekul\u00e1ris er\u0151i gyeng\u00e9k, \u00e9s a fel\u00fcleti fesz\u00fclts\u00e9g alacsonyabb, mint a habos\u00edt\u00f3 folyad\u00e9k\u00e9. Itt meg kell jegyezni, hogy a habos\u00edt\u00f3 folyad\u00e9k fel\u00fcleti fesz\u00fclts\u00e9ge nem az oldat fel\u00fcleti fesz\u00fclts\u00e9ge, hanem kifejezetten a habos\u00edtott \u00e1llapotban l\u00e9v\u0151 fel\u00fcleti fesz\u00fclts\u00e9g. Tov\u00e1bb\u00e1 a habz\u00e1sg\u00e1tl\u00f3nak \u00e9s a habos\u00edt\u00f3 folyad\u00e9knak bizonyos affinit\u00e1ssal kell rendelkeznie. Mivel a habtelen\u00edt\u00e9si folyamat l\u00e9nyeg\u00e9ben a hab \u00f6sszeoml\u00e1s\u00e1nak sebess\u00e9ge \u00e9s a hab keletkez\u00e9s\u00e9nek sebess\u00e9ge k\u00f6z\u00f6tti verseny, a habz\u00e1sg\u00e1tl\u00f3nak gyorsan kell tudnia diszperg\u00e1l\u00f3dni a habz\u00f3 folyad\u00e9kban, hogy sz\u00e9les ter\u00fcleten gyors hat\u00e1st fejtsen ki. Ha a habz\u00e1sg\u00e1tl\u00f3 hat\u00f3anyaga t\u00fals\u00e1gosan hasonl\u00edt a habz\u00f3 folyad\u00e9khoz, akkor felold\u00f3dik. Ha t\u00fals\u00e1gosan diszperg\u00e1lt, akkor nehezen fejti ki hat\u00e1s\u00e1t. A hat\u00e1s csak akkor lesz j\u00f3, ha az affinit\u00e1s megfelel\u0151. Ezenk\u00edv\u00fcl a habz\u00e1sg\u00e1tl\u00f3nak nem szabad k\u00e9miai reakci\u00f3ba l\u00e9pnie a habos\u00edt\u00f3 folyad\u00e9kkal, k\u00fcl\u00f6nben egyr\u00e9szt elvesz\u00edti habos\u00edt\u00f3 hat\u00e1s\u00e1t, m\u00e1sr\u00e9szt k\u00e1ros anyagok keletkezhetnek, amelyek befoly\u00e1solhatj\u00e1k a mikrob\u00e1k n\u00f6veked\u00e9s\u00e9t stb. V\u00e9g\u00fcl a habz\u00e1sg\u00e1tl\u00f3nak alacsony ill\u00e9konys\u00e1g\u00fanak \u00e9s hossz\u00fa hat\u00e1startam\u00fanak kell lennie. A habz\u00e1sg\u00e1tl\u00f3 haszn\u00e1lat\u00e1ra szolg\u00e1l\u00f3 rendszer meghat\u00e1roz\u00e1sakor k\u00fcl\u00f6nbs\u00e9get kell tenni a v\u00edzalap\u00fa \u00e9s az olajalap\u00fa rendszer k\u00f6z\u00f6tt. P\u00e9ld\u00e1ul az erjeszt\u0151iparban \u00e1ltal\u00e1ban olajb\u00e1zis\u00fa habz\u00e1sg\u00e1tl\u00f3kat, p\u00e9ld\u00e1ul poli\u00e9ter-m\u00f3dos\u00edtott szilikonolajokat vagy poli\u00e9tereket kell haszn\u00e1lni, m\u00edg a v\u00edzb\u00e1zis\u00fa fest\u00e9kiparban v\u00edzb\u00e1zis\u00fa habz\u00e1sg\u00e1tl\u00f3kat \u00e9s szilikonhabos\u00edt\u00f3kat kell haszn\u00e1lni. Ugyanakkor a hozz\u00e1adott habz\u00e1sg\u00e1tl\u00f3 mennyis\u00e9g\u00e9t is \u00f6ssze kell hasonl\u00edtani, \u00e9s az \u00e1rra kell hivatkozni a legmegfelel\u0151bb \u00e9s leggazdas\u00e1gosabb habz\u00e1sg\u00e1tl\u00f3 term\u00e9k kiv\u00e1laszt\u00e1sa \u00e9rdek\u00e9ben.<\/p>\n<p>A habz\u00e1sg\u00e1tl\u00f3k haszn\u00e1lat\u00e1nak hat\u00e9konys\u00e1g\u00e1t sz\u00e1mos t\u00e9nyez\u0151 is befoly\u00e1solja. A habz\u00e1sg\u00e1tl\u00f3 oldatban val\u00f3 diszperg\u00e1lhat\u00f3s\u00e1ga jelent\u0151s hat\u00e1ssal van a habz\u00e1sg\u00e1tl\u00e1si teljes\u00edtm\u00e9nyre. Megfelel\u0151 m\u00e9rt\u00e9k\u0171 diszperg\u00e1lts\u00e1ggal kell rendelkeznie, \u00e9s a t\u00fal nagy vagy t\u00fal kicsi r\u00e9szecskem\u00e9ret befoly\u00e1solja a habz\u00e1sg\u00e1tl\u00f3 aktivit\u00e1st. A habrendszerben val\u00f3 kompatibilit\u00e1s szempontj\u00e1b\u00f3l, ha a fel\u00fcletakt\u00edv anyag teljesen felold\u00f3dik a vizes oldatban, \u00e1ltal\u00e1ban hajlamos a habot a hab g\u00e1z-folyad\u00e9k hat\u00e1rfel\u00fclet\u00e9n stabiliz\u00e1lni; m\u00edg ha a fel\u00fcletakt\u00edv anyag oldhatatlan vagy t\u00faltel\u00edtett, r\u00e9szecsk\u00e9i diszperg\u00e1l\u00f3dnak az oldatban \u00e9s felhalmoz\u00f3dnak a habon, \u00edgy habmentes\u00edtenek. Nem szabad figyelmen k\u00edv\u00fcl hagyni a habk\u00e9pz\u0151 rendszer k\u00f6rnyezeti h\u0151m\u00e9rs\u00e9klet\u00e9t. Ha a habos\u00edt\u00f3 folyad\u00e9k h\u0151m\u00e9rs\u00e9klete magas, speci\u00e1lis magas h\u0151m\u00e9rs\u00e9klet\u0171 habz\u00e1sg\u00e1tl\u00f3t kell haszn\u00e1lni. Ellenkez\u0151 esetben nemcsak a k\u00f6z\u00f6ns\u00e9ges habfix\u00e1l\u00f3szerek habmentes\u00edt\u0151 hat\u00e1sa cs\u00f6kken nagym\u00e9rt\u00e9kben, hanem demulge\u00e1l\u00f3d\u00e1s is bek\u00f6vetkezhet. A csomagol\u00e1s, t\u00e1rol\u00e1s \u00e9s sz\u00e1ll\u00edt\u00e1s sor\u00e1n a habz\u00e1sg\u00e1tl\u00f3kat 5-35 \u00b0C-on kell t\u00e1rolni. Az eltarthat\u00f3s\u00e1gi id\u0151 \u00e1ltal\u00e1ban 6 h\u00f3nap. H\u0151forr\u00e1sokt\u00f3l \u00e9s napf\u00e9nyt\u0151l t\u00e1vol kell tartani \u0151ket. Haszn\u00e1lat ut\u00e1n le kell z\u00e1rni \u0151ket, hogy megakad\u00e1lyozz\u00e1k a roml\u00e1st. A habz\u00e1sg\u00e1tl\u00f3 hozz\u00e1ad\u00e1si ar\u00e1nya is nagyon fontos. A habz\u00e1sg\u00e1tl\u00f3 h\u00edg\u00edtatlan hozz\u00e1ad\u00e1sa m\u00e1s hat\u00e1st v\u00e1lt ki, mint a h\u00edg\u00edt\u00e1s ut\u00e1ni hozz\u00e1ad\u00e1sa. A fel\u00fcletakt\u00edv anyag alacsony koncentr\u00e1ci\u00f3ja miatt a h\u00edg\u00edt\u00e1s ut\u00e1ni habz\u00e1sg\u00e1tl\u00f3 emulzi\u00f3 rendk\u00edv\u00fcl instabil, gyorsan r\u00e9tegekre v\u00e1lik sz\u00e9t. Gyenge habz\u00e1sg\u00e1tl\u00f3 teljes\u00edtm\u00e9nye van, \u00e9s nem alkalmas hossz\u00fa t\u00e1v\u00fa t\u00e1rol\u00e1sra. Javasoljuk, hogy a habz\u00e1sg\u00e1tl\u00f3t h\u00edg\u00edt\u00e1s ut\u00e1n azonnal haszn\u00e1lja fel. Az adagol\u00e1si ar\u00e1nyt helysz\u00edni tesztel\u00e9ssel kell meghat\u00e1rozni a k\u00edv\u00e1nt hat\u00e1s el\u00e9r\u00e9se \u00e9rdek\u00e9ben, \u00e9s nem szabad t\u00faladagolni.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical formulation view of printing and ink-processing topics<\/h2>\n<p>Ink performance problems are often multi-variable problems. Teams generally move faster when they screen transfer, flow, drying or curing, and substrate hold together instead of changing one raw material at a time without a clear decision frame.<\/p>\n<ul>\n<li><strong>Define the real process bottleneck:<\/strong> poor transfer, drying problems, skinning, and color instability often need different corrective routes.<\/li>\n<li><strong>Check viscosity inside the print process:<\/strong> an ink that looks fine in the container can behave very differently on the machine.<\/li>\n<li><strong>Review substrate compatibility:<\/strong> paper, film, metalized surfaces, and laminates often require different balance points.<\/li>\n<li><strong>Use post-print checks as part of selection:<\/strong> scratch resistance, tape adhesion, lamination behavior, and storage stability are usually as important as the fresh-print appearance.<\/li>\n<\/ul>\n<h3>Aj\u00e1nlott term\u00e9kreferenci\u00e1k<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-lap-cas-85073-19-4\/\">CHLUMINIT LAP<\/a>:<\/strong> A strong option when blue-light response or advanced curing windows are under review.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> Kiegyens\u00falyozott habz\u00e1sg\u00e1tl\u00f3 referencia v\u00edzb\u00e1zis\u00fa bevonatokhoz \u00e9s sok \u00e1ltal\u00e1nos habz\u00e1sg\u00e1tl\u00f3 k\u00e9perny\u0151h\u00f6z.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> Hasznos, amikor a nyomdafest\u00e9k \u00e9s az UV-fest\u00e9k kompatibilit\u00e1sa sz\u00e1m\u00edt a habz\u00e1sg\u00e1tl\u00f3 k\u00e9perny\u0151n.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> Er\u0151sebb habz\u00e1sg\u00e1tl\u00f3 lehet\u0151s\u00e9g, amikor az \u00e1lland\u00f3 hab m\u00e9g a zordabb k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt is fennmarad.<\/li>\n<\/ul>\n<h3>GYIK v\u00e1s\u00e1rl\u00f3knak \u00e9s formul\u00e1l\u00f3knak<\/h3>\n<p><strong>Why do many ink problems require more than one formulation change?<\/strong><br \/>Because flow, transfer, drying, adhesion, and appearance interact, so improving one of them can sometimes worsen another if the full system is not reviewed together.<\/p>\n<p><strong>Should rheology be judged only by a single viscosity number?<\/strong><br \/>Not usually. Printability also depends on transfer behavior, temperature, shear history, and how the ink behaves on the actual press.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>The occurrence of foam often causes inconvenience and problems in industrial production and daily life, so finding an effective method of defoaming has become the key. The methods of defoaming<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[],"class_list":["post-7676","post","type-post","status-publish","format-standard","hentry","category-uv-light-curing-series"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Eliminating Foam: How to choose an antifoam agent? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"The occurrence of foam often causes inconvenience and problems in industrial production and daily life, so finding an effective method of defoaming has...\" \/>\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\/eliminating-foam-how-to-choose-an-antifoam-agent\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Eliminating Foam: How to choose an antifoam agent? 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