{"id":5457,"date":"2022-08-15T13:18:26","date_gmt":"2022-08-15T13:18:26","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5457"},"modified":"2022-08-15T13:19:19","modified_gmt":"2022-08-15T13:19:19","slug":"important-applications-of-fluorescent-whitening-agents","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/important-applications-of-fluorescent-whitening-agents\/","title":{"rendered":"A fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szer feh\u00e9r\u00edt\u0151 elve \u00e9s fontos alkalmaz\u00e1sai"},"content":{"rendered":"

A fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szer feh\u00e9r\u00edt\u0151 elve \u00e9s fontos alkalmaz\u00e1sai<\/strong><\/h1>\n

A textiliparban maga a sz\u00e1l feh\u00e9rs\u00e9ge gyakran nem felel meg az emberek eszt\u00e9tikai ig\u00e9nyeinek, k\u00fcl\u00f6n\u00f6sen a term\u00e9szetes sz\u00e1lak eset\u00e9ben, amelyek feh\u00e9rs\u00e9ge a k\u00fcl\u00f6nb\u00f6z\u0151 n\u00f6veked\u00e9si k\u00f6rnyezetek \u00e9s n\u00f6veked\u00e9si ciklusok miatt nagyon elt\u00e9r\u0151. A feh\u00e9r anyag \u00e1ltal\u00e1ban a l\u00e1that\u00f3 f\u00e9nyben 450 \u00e9s 480 nm k\u00f6z\u00f6tti k\u00e9k f\u00e9ny enyhe elnyel\u00e9s\u00e9vel rendelkezik, ami a k\u00e9k hi\u00e1nya miatt enyh\u00e9n s\u00e1rg\u00e1v\u00e1 v\u00e1lik, \u00e9s a r\u00e9gi \u00e9rzet\u00e9t kelti. Emiatt az emberek k\u00fcl\u00f6nb\u00f6z\u0151 int\u00e9zked\u00e9seket tettek annak \u00e9rdek\u00e9ben, hogy a t\u00e1rgyakat feh\u00e9rebb\u00e9 \u00e9s sz\u00ednesebb\u00e9 tegy\u00e9k. A fluoreszcens feh\u00e9r\u00edt\u0151szer megjelen\u00e9se el\u0151tt \u00e1ltal\u00e1ban k\u00e9t f\u0151 feh\u00e9r\u00edt\u00e9si m\u00f3dszert haszn\u00e1ltak.<\/p>\n

1, adjunk hozz\u00e1 k\u00e9k feh\u00e9r\u00edt\u0151 m\u00f3dszert. Ez a m\u00f3dszer j\u00e1tszhat feh\u00e9r\u00edt\u0151 hat\u00e1st, de a hat\u00e1s korl\u00e1tozott, \u00e9s mivel a visszavert f\u00e9ny teljes mennyis\u00e9ge cs\u00f6kken, \u00edgy az elemek s\u00f6t\u00e9tednek.<\/p>\n

2, k\u00e9miai feh\u00e9r\u00edt\u00e9si m\u00f3dszer. F\u0151leg a redox-reakci\u00f3 \u00e9s az anyag fakul\u00e1s\u00e1n kereszt\u00fcl, de a cellul\u00f3z n\u00e9mi k\u00e1rt okoz, \u00e9s a feh\u00e9r\u00edtett sz\u00f6vet gyakran s\u00e1rga, de befoly\u00e1solja a feh\u00e9r\u00edt\u0151 hat\u00e1st.<\/p>\n

 <\/p>\n

A fluoreszcens feh\u00e9r\u00edt\u0151 szer p\u00f3tolhatja a hagyom\u00e1nyos feh\u00e9r\u00edt\u00e9si m\u00f3dszer hi\u00e1nyoss\u00e1gait, \u00e9s nagy f\u00f6l\u00e9nyt mutat. A fluoreszcens feh\u00e9r\u00edt\u0151szer k\u00e9pes elnyelni a nagyobb energi\u00e1j\u00fa k\u00f6zel ultraibolya f\u00e9nyt, \u00edgy a molekul\u00e1k gerjesztett \u00e1llapotba ker\u00fclnek, majd a gerjesztett molekul\u00e1k az alacsonyabb energi\u00e1j\u00fa alap\u00e1llapotba ugranak, \u00e9s fluoreszcenci\u00e1t bocs\u00e1tanak ki. A fluoreszcens sug\u00e1rz\u00e1s hull\u00e1mhossza k\u00f6r\u00fclbel\u00fcl 450 nm k\u00e9k f\u00e9ny, a s\u00e1rg\u00e1s sz\u00edn\u0171 t\u00e1rgyak s\u00e1rg\u00e1s sz\u00edn\u00e9t a fluoreszcens feh\u00e9r\u00edt\u0151szerr\u0151l visszavert k\u00e9k f\u00e9ny kompenz\u00e1lhatja, \u00edgy n\u00f6velve a t\u00e1rgyak l\u00e1tsz\u00f3lagos feh\u00e9rs\u00e9g\u00e9t. Mivel a kibocs\u00e1tott f\u00e9ny intenzit\u00e1sa meghaladja a kezelt sz\u00f6vetre vet\u00edtett eredeti l\u00e1that\u00f3 f\u00e9ny intenzit\u00e1s\u00e1t, enyh\u00e9n kromatikus feh\u00e9r\u00edt\u0151 hat\u00e1s j\u00f6n l\u00e9tre.<\/p>\n

A fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szer haszn\u00e1lata nagyon sz\u00e9les k\u00f6r\u0171, a kezdeti haszn\u00e1lat csak a text\u00edli\u00e1khoz, a most sz\u00e9les k\u00f6rben haszn\u00e1lt pap\u00edr, mos\u00f3szerek, m\u0171anyagok, bevonatok, tint\u00e1k, b\u0151r \u00e9s sok m\u00e1s ter\u00fcleten, a fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szer haszn\u00e1lata \u00e9s az \u00f6sszeg m\u00e9g mindig b\u0151v\u00fcl. Fluoreszcens feh\u00e9r\u00edt\u0151szer gyakorlati \u00e9rt\u00e9kkel, amellett, hogy elnyeli az ultraibolya f\u00e9nyt \u00e9s kibocs\u00e1tja az ibolyak\u00e9k fluoreszcenci\u00e1t \u00e9s a magas fluoreszcencia hat\u00e9konys\u00e1g\u00e1t, maga is k\u00f6zel sz\u00edntelen vagy enyh\u00e9n s\u00e1rga, a k\u00f6z\u00f6ns\u00e9ges sz\u00ednez\u00e9kek jellemz\u0151ivel, j\u00f3 affinit\u00e1ssal a feh\u00e9r\u00edtett sz\u00f6vetekhez, p\u00e9ld\u00e1ul a sz\u00e1lakhoz, j\u00f3 oldhat\u00f3s\u00e1gi vagy diszperzi\u00f3s tulajdons\u00e1gokkal \u00e9s jobb mos\u00e1s, napf\u00e9ny \u00e9s vasal\u00e1si tulajdons\u00e1gokkal szemben. A vil\u00e1g k\u00fcl\u00f6nb\u00f6z\u0151 orsz\u00e1gaiban a k\u00fcl\u00f6nb\u00f6z\u0151 ipar\u00e1gakban haszn\u00e1lt fluoreszcens feh\u00e9r\u00edt\u0151k ar\u00e1nya elt\u00e9r\u0151, de a sorrend ar\u00e1ny\u00e1nak haszn\u00e1lata alapvet\u0151en ugyanaz: vagyis els\u0151sorban a mos\u00f3szerekben haszn\u00e1lt, majd a pap\u00edr, a textil harmadik, a m\u0171anyag \u00e9s m\u00e1s ter\u00fcleteken a kisebb mennyis\u00e9g. A fluoreszcens f\u00e9nyes\u00edt\u0151k UV-abszorberekkel kombin\u00e1lva is haszn\u00e1lhat\u00f3k egyes polimerterm\u00e9kek id\u0151j\u00e1r\u00e1si feh\u00e9r\u00edt\u00e9s\u00e9nek probl\u00e9m\u00e1j\u00e1nak megold\u00e1s\u00e1ra.<\/p>\n

A fluoreszcencia reakci\u00f3 arra utal, hogy az anyagot a l\u00e1thatatlan UV-f\u00e9ny besug\u00e1rz\u00e1s\u00e1nak elfogad\u00e1s\u00e1ra radikaliz\u00e1lj\u00e1k, majd a radikaliz\u00e1lt energia a l\u00e1that\u00f3 f\u00e9ny felszabadul\u00e1si folyamat\u00e1ba ker\u00fcl, amely a hideg lumineszcencia jelens\u00e9g\u00e9nek fotolumineszcenci\u00e1ja. A fluoreszcens anyagok fluoreszcens reakci\u00f3kat hozhatnak l\u00e9tre, de a fluoreszcens reakci\u00f3kat el\u0151id\u00e9z\u0151 dolgok, nem csak fluoreszcens anyagok. A fluoreszcens f\u00e9nyben fluoreszcens reakci\u00f3t mutat az anyag nem minden fluoreszcens feh\u00e9r\u00edt\u0151szer. N\u00e9h\u00e1ny kiv\u00e1l\u00f3 min\u0151s\u00e9g\u0171 napi k\u00e9miai term\u00e9kek term\u00e9szetes \u00f6sszetev\u0151kkel, mint p\u00e9ld\u00e1ul az E-vitamin \u00e9s a glicerin is ki lesz t\u00e9ve 365nm-es iboly\u00e1nt\u00fali f\u00e9nynek, hogy fluoreszk\u00e1l\u00f3 reakci\u00f3t mutasson. Ez\u00e9rt a lila f\u00e9ny besug\u00e1rz\u00e1son kereszt\u00fcl csak a fluoreszcens reakci\u00f3 jelenl\u00e9t\u00e9t tudja bizony\u00edtani, de nem tudja azonos\u00edtani, hogy fluoreszcens feh\u00e9r\u00edt\u0151szerr\u0151l van-e sz\u00f3.<\/p>\n

Nemzetk\u00f6zi szinten a fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szert feh\u00e9r sz\u00ednez\u00e9knek tekintik, \u00e9s a fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szer minden egyes szerkezete rendelkezik a megfelel\u0151 sz\u00ednez\u00e9kindexsz\u00e1mmal. K\u00edn\u00e1ban a fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szereket \u00e1ltal\u00e1ban fontos funkcion\u00e1lis befejez\u0151 seg\u00e9danyagnak tekintik. A k\u00e9miai szerkezet t\u00edpusa szerint a textiliparban haszn\u00e1lt fluoreszcens feh\u00e9r\u00edt\u0151szerek f\u0151k\u00e9nt hat kateg\u00f3ri\u00e1ba tartoznak: 1, bisz(triazinilamino)sztilb\u00e9n t\u00edpus; 2, sztilb\u00e9n-bifenil t\u00edpus; 3, bisz(benzo)azol t\u00edpus; 4, sztilb\u00e9n t\u00edpus; 5, pirazolin t\u00edpus; 6, kumarin t\u00edpus. A fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szer haszn\u00e1latakor a megfelel\u0151 fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szert a sz\u00e1l k\u00e9miai \u00f6sszet\u00e9tel\u00e9nek \u00e9s fizikai tulajdons\u00e1gainak megfelel\u0151en kell kiv\u00e1lasztani, hogy kiel\u00e9g\u00edt\u0151 feh\u00e9r\u00edt\u0151 hat\u00e1st \u00e9rj\u00fcnk el.<\/p>\n

Mint fentebb eml\u00edtett\u00fck, a fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151k els\u0151 f\u0151 felhaszn\u00e1l\u00e1si ter\u00fclete a mos\u00e1s. A sz\u00f6vetmos\u00f3szer a lakosok mindennapi \u00e9let\u00e9ben sz\u00fcks\u00e9gszer\u0171s\u00e9g. A fel\u00fcletakt\u00edv anyagok \u00e9s az adal\u00e9kanyagok a textilipari mos\u00f3szerek f\u0151 \u00f6sszetev\u0151i, amelyek l\u00e9tfontoss\u00e1g\u00fa szerepet j\u00e1tszanak a mos\u00f3szerek teljes\u00edtm\u00e9ny\u00e9ben \u00e9s a ruh\u00e1k mos\u00e1s\u00e1nak tisztas\u00e1g\u00e1ra gyakorolt hat\u00e1s\u00e1ban. A textilnyom\u00e1s \u00e9s fest\u00e9s gy\u00e1rak a gy\u00e1ri sz\u00f6vet fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151 kezel\u00e9s sz\u00e9les k\u00f6rben elterjedt \u00e9s k\u00f6z\u00f6s technol\u00f3gia, de nem \u00e9r el \u00e1lland\u00f3 mos\u00e1s\u00e1ll\u00f3s\u00e1got, vagyis ahogy az emberek viselik \u00e9s moss\u00e1k, a fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151 szer leesik, a ruh\u00e1zat r\u00e9gi lesz, s\u0151t s\u00e1rgul\u00e1s stb. Bizonyos mennyis\u00e9g\u0171 fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szer hozz\u00e1ad\u00e1sa a megfelel\u0151 fajt\u00e1j\u00fa mos\u00f3szerhez nem csak a mosott sz\u00f6vet feh\u00e9rs\u00e9g\u00e9t vagy f\u00e9nyess\u00e9g\u00e9t n\u00f6velheti, \u00e9s jav\u00edthatja a mos\u00e1si hat\u00e1st, hanem jav\u00edthatja a mos\u00f3szer megjelen\u00e9s\u00e9t is. Jelenleg a vil\u00e1g fluoreszcens feh\u00e9r\u00edt\u0151szer-fogyaszt\u00e1s\u00e1nak 50%-j\u00e9t a mos\u00f3szeriparban haszn\u00e1lj\u00e1k. Ez\u00e9rt elmondhat\u00f3, hogy a fluoreszcens f\u00e9nyes\u00edt\u0151k a textilipari mos\u00f3szerek \u00f6sszet\u00e9tel\u00e9ben n\u00e9lk\u00fcl\u00f6zhetetlen fontos adal\u00e9kanyagok egyik\u00e9v\u00e9 v\u00e1ltak. A ruh\u00e1k mos\u00e1sakor a mos\u00f3szer \u00e1ltal\u00e1ban egyszerre szembes\u00fcl a k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00f6vetsz\u00e1lakkal, p\u00e9ld\u00e1ul pamut, poli\u00e9szter-pamut, tiszta poli\u00e9szter, gyapj\u00fa, selyem, viszk\u00f3z, nejlon stb. A k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00e1lak egyidej\u0171leg t\u00f6rt\u00e9n\u0151 jobb feh\u00e9r\u00edt\u0151 \u00e9s f\u00e9nyes\u00edt\u0151 hat\u00e1s\u00e1nak el\u00e9r\u00e9se \u00e9rdek\u00e9ben a fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szerek kiv\u00e1laszt\u00e1s\u00e1ra vonatkoz\u00f3 k\u00f6vetelm\u00e9nyek vannak. Bis-sztirol bifenil oszt\u00e1ly, bisztriazin aminostilbene oszt\u00e1ly\u00fa fluoreszcens feh\u00e9r\u00edt\u0151szerek k\u00e9t sz\u00e9les k\u00f6rben haszn\u00e1lt a term\u00e9k textilszerkezet\u00e9n, a textilsz\u00e1l feh\u00e9r\u00edt\u0151 hat\u00e1sa j\u00f3, ami m\u00e9g fontosabb, hogy a sz\u00e1lfajt\u00e1k sz\u00e9les sk\u00e1l\u00e1j\u00e1ra alkalmazhat\u00f3.<\/p>\n

Miut\u00e1n t\u00f6bb \u00e9ves tudom\u00e1nyos k\u00eds\u00e9rletek \u00e9s gyakorlati alkalmaz\u00e1sok azt mutatj\u00e1k, hogy a fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szer egy biztons\u00e1gos \u00e9s \u00e1rtalmatlan k\u00e9miai term\u00e9kek, fluoreszk\u00e1l\u00f3 feh\u00e9r\u00edt\u0151szer is neh\u00e9z felsz\u00edv\u00f3dni az emberi szervezetbe a b\u0151r\u00f6n kereszt\u00fcl, \u00e9s toxikus kock\u00e1zatokat okoz. Az ilyen anyagok nemzetk\u00f6zileg \u00e1ltal\u00e1nosan elfogadott hagyom\u00e1nyos adal\u00e9kanyagok a pap\u00edr, m\u0171anyag term\u00e9kek, text\u00edli\u00e1k, ruhamos\u00f3szerek stb. sz\u00e1m\u00e1ra.<\/p>\n

 <\/p>\n

Ugyanazon sorozat term\u00e9kei<\/strong><\/h2>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Term\u00e9k neve<\/td>\nCAS NO.<\/td>\nK\u00e9miai n\u00e9v<\/td>\n<\/tr>\n
lcnacure\u00ae TPO<\/span><\/a><\/td>\n75980-60-8<\/td>\nDifenil(2,4,6-trimetil-benzoil)foszfin-oxid<\/td>\n<\/tr>\n
lcnacure\u00ae TPO-L<\/span><\/a><\/td>\n84434-11-7<\/td>\nEtil(2,4,6-trimetil-benzoil)fenilfoszfin\u00e1t<\/td>\n<\/tr>\n
lcnacure\u00ae 819<\/span><\/a>\/920<\/td>\n162881-26-7<\/td>\nFenil-bisz(2,4,6-trimetil-benzoil)foszfin-oxid<\/td>\n<\/tr>\n
lcnacure\u00ae ITX<\/span><\/a><\/td>\n5495-84-1<\/td>\n2-izopropil-tioxanthon<\/td>\n<\/tr>\n
lcnacure\u00ae DETX<\/span><\/a><\/td>\n82799-44-8<\/td>\n2,4-Dietil-9H-tioxanthen-9-on<\/td>\n<\/tr>\n
lcnacure\u00ae BDK<\/span><\/a>\/651<\/td>\n24650-42-8<\/td>\n2,2-Dimetoxi-2-fenilacetofenon<\/td>\n<\/tr>\n
lcnacure\u00ae 907<\/span><\/a><\/td>\n71868-10-5<\/td>\n2-metil-4\u2032-(metiltio)-2-morfolinopropiofenon<\/td>\n<\/tr>\n
lcnacure\u00ae 184<\/span><\/a><\/td>\n947-19-3<\/td>\n1-Hidroxi-ciklohexil-fenil-keton<\/td>\n<\/tr>\n
lcnacure\u00aeMBF<\/td>\n15206-55-0<\/td>\nMetil-benzoil-formi\u00e1t<\/td>\n<\/tr>\n
lcnacure\u00ae150<\/td>\n163702-01-0<\/td>\nBenzol, (1-metilet\u00e9nil)-, homopolimer,
\nar-(2-hidroxi-2-metil-1-oxopropil) sz\u00e1rmaz\u00e9kok<\/td>\n<\/tr>\n
lcnacure\u00ae160<\/span><\/a><\/td>\n71868-15-0<\/td>\nDifunkcion\u00e1lis alfa-hidroxi-keton<\/td>\n<\/tr>\n
lcnacure\u00ae 1173<\/a><\/span><\/td>\n7473-98-5<\/td>\n2-Hidroxi-2-metilpropiofenon<\/td>\n<\/tr>\n
lcnacure\u00aeEMK<\/td>\n90-93-7<\/td>\n4,4\u2032-bisz(dietilamino)benzofenon<\/td>\n<\/tr>\n
lcnacure\u00ae PBZ<\/span><\/a><\/td>\n2128-93-0<\/td>\n4-Benzoil-bifenil<\/td>\n<\/tr>\n
lcnacure\u00aeOMBB\/MBB<\/td>\n606-28-0<\/td>\nMetil-2-benzoil-benzo\u00e1t<\/td>\n<\/tr>\n
lcnacure\u00ae 784<\/a><\/span>\/FMT<\/td>\n125051-32-3<\/td>\nBISZ(2,6-DIFLUOR-3-(1-HIDROPIRROL-1-IL)FENIL)TITANOC\u00c9N<\/td>\n<\/tr>\n
lcnacure\u00ae BP<\/span><\/a><\/td>\n119-61-9<\/td>\nBenzofenon<\/td>\n<\/tr>\n
lcnacure\u00ae754<\/td>\n211510-16-6<\/td>\nBenzol-ecetsav, alfa-oxo-, Oxydi-2,1-et\u00e1ndiil\u00e9szter<\/td>\n<\/tr>\n
lcnacure\u00aeCBP<\/td>\n134-85-0<\/td>\n4-kl\u00f3rbenzofenon<\/td>\n<\/tr>\n
lcnacure\u00ae MBP<\/span><\/a><\/td>\n134-84-9<\/td>\n4-metil-benzofenon<\/td>\n<\/tr>\n
lcnacure\u00aeEHA<\/td>\n21245-02-3<\/td>\n2-etilhexil-4-dimetilaminobenzo\u00e1t<\/td>\n<\/tr>\n
lcnacure\u00aeDMB<\/td>\n2208-05-1<\/td>\n2-(Dimetilamino)etil-benzo\u00e1t<\/td>\n<\/tr>\n
lcnacure\u00aeEDB<\/td>\n10287-53-3<\/td>\nEtil-4-dimetilaminobenzo\u00e1t<\/td>\n<\/tr>\n
lcnacure\u00ae250<\/td>\n344562-80-7<\/td>\n(4-metilfenil) [4-(2-metilpropil)fenil] j\u00f3dium
\nhexafluorfoszf\u00e1t<\/td>\n<\/tr>\n
lcnacure\u00ae 369<\/span><\/a><\/td>\n119313-12-1<\/td>\n2-Benzil-2-(dimetilamino)-4\u2032-morfolinobutrofenon<\/td>\n<\/tr>\n
lcnacure\u00ae 379<\/span><\/a><\/td>\n119344-86-4<\/td>\n1-But\u00e1non, 2-(dimetilamino)-2-(4-metilfenil)metil-1-4-(4-morfolinil)fenil-1-4-(4-morfolinil)fenil-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

L\u00e9pjen kapcsolatba vel\u00fcnk most!<\/b><\/strong><\/h2>\n

Ha COA, MSDS vagy TDS-re van sz\u00fcks\u00e9ge, k\u00e9rj\u00fck, t\u00f6ltse ki el\u00e9rhet\u0151s\u00e9g\u00e9t az al\u00e1bbi \u0171rlapon, \u00e1ltal\u00e1ban 24 \u00f3r\u00e1n bel\u00fcl felvessz\u00fck \u00d6nnel a kapcsolatot.<\/b><\/strong> \u00d6n is k\u00fcldhet nekem e-mailt info@longchangchemical.com<\/span><\/a> munkaid\u0151ben ( 8:30-18:00 UTC+8 H.-Szombat ) vagy haszn\u00e1lja a weboldal \u00e9l\u0151 chatj\u00e9t, hogy azonnali v\u00e1laszt kapjon.<\/h4>","protected":false},"excerpt":{"rendered":"

A fluoreszcens feh\u00e9r\u00edt\u0151szer feh\u00e9r\u00edt\u0151 elve \u00e9s fontos alkalmaz\u00e1sai A textiliparban a sz\u00e1lak feh\u00e9rs\u00e9ge gyakran nem felel meg az emberek eszt\u00e9tikai ig\u00e9nyeinek, k\u00fcl\u00f6n\u00f6sen a term\u00e9szetes sz\u00e1lak\u00e9, amelyek feh\u00e9rs\u00e9ge a k\u00fcl\u00f6nb\u00f6z\u0151 n\u00f6veked\u00e9si k\u00f6rnyezetek \u00e9s n\u00f6veked\u00e9si ciklusok miatt nagym\u00e9rt\u00e9kben v\u00e1ltozik. A feh\u00e9r anyag \u00e1ltal\u00e1ban enyh\u00e9n elnyeli a k\u00e9k f\u00e9nyt [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5457","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"\nThe whitening principle and important applications of fluorescent whitening agent - Longchang Chemical<\/title>\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\/important-applications-of-fluorescent-whitening-agents\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The whitening principle and important applications of fluorescent whitening agent - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"The whitening principle and important applications of fluorescent whitening agent In the textile industry, the whiteness of the fiber itself often fails to meet the aesthetic requirements of people, especially natural fibers, which vary greatly in whiteness due to different growth environments and growth cycles. 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