{"id":6181,"date":"2023-07-18T03:15:35","date_gmt":"2023-07-18T03:15:35","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6181"},"modified":"2023-07-18T03:15:35","modified_gmt":"2023-07-18T03:15:35","slug":"how-to-choose-a-dispersant","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/tr\/how-to-choose-a-dispersant\/","title":{"rendered":"Bir dispersan nas\u0131l se\u00e7ilir?"},"content":{"rendered":"

Bir dispersan nas\u0131l se\u00e7ilir?<\/h1>\n

I. Dispersiyon i\u00e7in ana re\u00e7ine se\u00e7imi<\/strong><\/h2>\n

Re\u00e7ine, \u00f6zellikle de \u00f6\u011f\u00fctme re\u00e7inesi, renkli pastan\u0131n haz\u0131rlanmas\u0131nda \u00f6nemli bir rol oynar ve ana re\u00e7inenin rol\u00fc a\u015fa\u011f\u0131daki gibidir:
\n(1) Pigmenti da\u011f\u0131tmak ve sabitlemek i\u00e7in.
\n(2) Da\u011f\u0131t\u0131lm\u0131\u015f ve ayr\u0131\u015ft\u0131r\u0131lm\u0131\u015f pigment partik\u00fcllerinin stabilize edilmesi.
\nAna re\u00e7inenin yukar\u0131daki i\u015flevleri baz\u0131 deneylerle g\u00f6r\u00fclebilir, \u00f6rne\u011fin, uzun ya\u011fl\u0131 alkid re\u00e7inesi, poliamid re\u00e7inesi, amino re\u00e7inesi, aldehitler ve ketonlar re\u00e7inesi, d\u00fc\u015f\u00fck molek\u00fcler a\u011f\u0131rl\u0131kl\u0131 hidroksil akrilik re\u00e7inesi pigment i\u00e7in iyi \u0131slatma kabiliyeti g\u00f6sterirken, d\u00fc\u015f\u00fck hidroksil akrilik re\u00e7inesi, termoplastik akrilik re\u00e7inesi, y\u00fcksek molek\u00fcler a\u011f\u0131rl\u0131kl\u0131 polyester re\u00e7inesi, y\u00fcksek molek\u00fcler a\u011f\u0131rl\u0131kl\u0131 doymu\u015f polyester re\u00e7inesi, vinil kopolimerizasyon re\u00e7inesi ve poliolefin re\u00e7inesi pigment i\u00e7in zay\u0131f \u0131slatma kabiliyeti g\u00f6sterir. pigmentler \u0131slanabilirlik a\u00e7\u0131s\u0131ndan zay\u0131ft\u0131r. Ayn\u0131 pigment farkl\u0131 re\u00e7ine sistemlerinde farkl\u0131 renk fazlar\u0131na sahiptir. Hemen hemen t\u00fcm karbon siyahlar\u0131, organik pigmentler ve \u015feffaf demir oksitler renk fazlar\u0131n\u0131, \u00f6zellikle sa\u00e7\u0131lma renk fazlar\u0131n\u0131, farkl\u0131 re\u00e7ine sistemleri ile de\u011fi\u015ftirir. Bu nedenle, belirlenen ana re\u00e7ine sisteminde do\u011fru da\u011f\u0131t\u0131c\u0131y\u0131 se\u00e7mek sadece pigmenti da\u011f\u0131tmak ve stabilize etmek i\u00e7in de\u011fil, ayn\u0131 zamanda pigmenti koyuluk, \u015feffafl\u0131k, 45\u00b0'de renk \u0131\u015f\u0131\u011f\u0131 vb. gibi ihtiyac\u0131m\u0131z olan do\u011fru renge ula\u015fmak i\u00e7in ayarlamak i\u00e7in de kullan\u0131l\u0131r. Bu nedenle, dispersan ve re\u00e7ine aras\u0131ndaki makul e\u015fle\u015fme \u015funlar\u0131 i\u00e7erir
\n\u2460 Uyumluluk (numune testi, \u00e7\u00f6z\u00fcc\u00fcy\u00fc \u00e7\u0131kard\u0131ktan sonra uyumlulu\u011fu kontrol edin)
\n\u2461 Pigmenti belirlemek i\u00e7in re\u00e7ine sistemindeki dispersan\u0131n viskozite azaltma davran\u0131\u015f\u0131 (rotasyonel viskozimetre testi).
\n\u2462 Re\u00e7ine sistemindeki dispersan\u0131n belirli pigmente renk yayma davran\u0131\u015f\u0131 (kaz\u0131ma ve renk kar\u015f\u0131la\u015ft\u0131rmas\u0131).
\n\u2463Depolama kararl\u0131l\u0131\u011f\u0131 (ak\u0131\u015f plakas\u0131 y\u00f6ntemi)
\nRe\u00e7ine sistemi de\u011fi\u015fti\u011finde, dispersan\u0131n yukar\u0131daki performans\u0131 da buna ba\u011fl\u0131 olarak de\u011fi\u015fecektir. Bu t\u00fcr de\u011fi\u015fikliklerin uygulama testleri ile belirlenmesi gerekir.
\nGenel olarak, basit bir uygulama prensibini \u00f6zetlemek kolay de\u011fildir. Re\u00e7ine sistemi art\u0131 pigment fakt\u00f6r\u00fc i\u00e7in, dispersan se\u00e7imi \u00e7ok fazla parametreye d\u00f6n\u00fc\u015f\u00fcr. Bu nedenle, sadece ana re\u00e7ine ve dispersan kombinasyonunu de\u011fil, ayn\u0131 zamanda pigment ve dolgu maddesinin do\u011fas\u0131n\u0131 da dikkate almak gerekir.<\/p>\n

\u0130kinci olarak, pigment dolgu maddesi se\u00e7imi i\u00e7in<\/strong><\/h2>\n

Karbon siyah\u0131 ve organik pigmentler
\nDaha \u00f6nce de belirtildi\u011fi gibi, end\u00fcstriyel pigmentlerin bir\u00e7ok farkl\u0131 t\u00fcr\u00fc ve \u00e7e\u015fidi vard\u0131r. Pigment end\u00fcstrisi bunlar\u0131 organik pigmentler ve inorganik pigmentler olarak s\u0131n\u0131fland\u0131r\u0131r. Boya end\u00fcstrisinde, \u015feffaf demir oksit ve karbon siyah\u0131 genellikle organik pigmentlerle birlikte da\u011f\u0131lmas\u0131 zor pigmentler olarak kabul edilir.
\nHidrojen ba\u011flar\u0131n\u0131n g\u00fcc\u00fcne bakarak da\u011f\u0131lmas\u0131 zor pigmentler aras\u0131nda bir ayr\u0131m daha yapt\u0131k.
\nDeneylerimizde, bu t\u00fcr da\u011f\u0131l\u0131m sonu\u00e7lar\u0131n\u0131 a\u00e7\u0131k\u00e7a g\u00f6r\u00fcyoruz.
\nSabit bir re\u00e7ine sisteminde, bir da\u011f\u0131t\u0131c\u0131 karbon siyah\u0131 ile iyi performans g\u00f6steriyorsa, genellikle ayn\u0131 zamanda ftalosiyanin pigmentlerini stabilize edecek ve ka\u00e7\u0131n\u0131lmaz olarak DPP k\u0131rm\u0131z\u0131s\u0131 gibi di\u011fer organik pigmentlerle zay\u0131f da\u011f\u0131t\u0131c\u0131 \u00f6zellikler g\u00f6sterecektir. \u00d6te yandan, e\u011fer bir dispersan DPP k\u0131rm\u0131z\u0131s\u0131, organik viyole ve di\u011fer pigmentleri \u00e7ok iyi bir \u015fekilde da\u011f\u0131tabiliyor ve stabilize edebiliyorsa, genellikle ho\u015flan\u0131lmayan kahverengimsi k\u0131rm\u0131z\u0131 faz\u0131 elde etmek i\u00e7in karbon siyah\u0131n\u0131 da\u011f\u0131tmak i\u00e7in kullan\u0131l\u0131r ve ftalosiyanin pigmentlerinin viskozite azaltma yetene\u011fi yeterli de\u011fildir. Bu t\u00fcr bir olgu neredeyse t\u00fcm da\u011f\u0131t\u0131c\u0131 re\u00e7ineler ve t\u00fcm da\u011f\u0131t\u0131c\u0131lar i\u00e7in ge\u00e7erlidir. Yukar\u0131daki iki kategorideki da\u011f\u0131t\u0131lmas\u0131 zor pigmentlerin her ikisi i\u00e7in de ayn\u0131 anda son derece iyi performans g\u00f6sterebilen \u00e7ok az da\u011f\u0131t\u0131c\u0131 vard\u0131r. Her zaman bir grubun \u00e7ok iyi ve di\u011fer grubun biraz zay\u0131f oldu\u011fu bir durum s\u00f6z konusudur.
\nBunun ana nedeni pigmentin kendi hidrojen ba\u011f yap\u0131s\u0131n\u0131n say\u0131s\u0131 ve g\u00fcc\u00fcd\u00fcr.
\nKarbon siyah\u0131, ftalosiyanin mavisi ve di\u011fer pigmentler, pigmentler aras\u0131ndaki ana etkile\u015fim kuvvetine hidrojen ba\u011f\u0131 hakim de\u011fildir, ancak karbon siyah\u0131 katman molek\u00fclleri aras\u0131ndaki ba\u011flant\u0131 etkisi, ftalosiyanin yap\u0131s\u0131n\u0131n ba\u011flant\u0131 etkisi, halojenlerin rol\u00fc gibi di\u011fer kuvvetler hakimdir. Ve y\u00fczey i\u015flemlerinde ta\u015f\u0131nan polar gruplar, pigmentin kendi yap\u0131s\u0131na g\u00f6re ba\u011f\u0131ms\u0131zl\u0131\u011fa sahiptir.
\nDPP taraf\u0131ndan temsil edilen organik k\u0131rm\u0131z\u0131 ve mor pigmentler, pigmentin performans\u0131n\u0131 art\u0131ran ve da\u011f\u0131t\u0131c\u0131n\u0131n pigment \u00fczerindeki etkisini do\u011frudan etkileyen pigmentin kendi tasar\u0131m\u0131nda g\u00fc\u00e7l\u00fc hidrojen ba\u011f\u0131na sahiptir ve aray\u00fczdeki polar gruplar pigmentin kendi hidrojen ba\u011f\u0131na dahil olur. Bu durum pigmentin sonradan i\u015flenmesi ile do\u011frulanm\u0131\u015ft\u0131r.
\nBuna g\u00f6re, tek bir dispersan yap\u0131s\u0131 kullanarak ayn\u0131 anda farkl\u0131 i\u00e7sel etkilere sahip iki farkl\u0131 pigment t\u00fcr\u00fc ile optimum sonu\u00e7lar elde etmek kolay de\u011fildir. Bu teoriye dayanarak, bir pigmentin yap\u0131s\u0131na g\u00f6re pigmentin hangi taraf\u0131na ait oldu\u011funu belirlemek de m\u00fcmk\u00fcnd\u00fcr. \u00d6rne\u011fin, bir izoindolinon pigmenti karbon siyah\u0131-ftalosiyanin grubuna ait olmal\u0131d\u0131r. Toluidin k\u0131rm\u0131z\u0131s\u0131 ise ikincisine meyilli olmal\u0131d\u0131r.
\nPratik da\u011f\u0131t\u0131c\u0131 se\u00e7iminde, ilk grup zor da\u011f\u0131lan pigmentler i\u00e7in en iyi sonu\u00e7lar kolay uyumlu re\u00e7ine sistemleri ile elde edilir. Ancak, \u00f6rne\u011fin termoplastik akrilikler gibi re\u00e7ine uyumlulu\u011fu zay\u0131fsa, yeni bir poliakrilat da\u011f\u0131t\u0131c\u0131ya ge\u00e7ilmesi gerekir. G\u00fc\u00e7l\u00fc hidrojen ba\u011fl\u0131 pigmentlerin ikinci kategorisi olan y\u00fcksek polar PU, polyester ve poliakrilat i\u00e7in iyi sonu\u00e7lar elde edilebilir. Sadece zay\u0131f uyumluluk sisteminde, y\u00fcksek polariteli PU ve polyester s\u0131n\u0131rl\u0131d\u0131r. Bu durumda, modifiye poliakrilat dispersana ge\u00e7mek gerekir.
\nKarbon siyah\u0131n\u0131n siyahl\u0131\u011f\u0131
\nKarbon siyah\u0131n\u0131n siyahl\u0131\u011f\u0131, da\u011f\u0131t\u0131c\u0131lar tart\u0131\u015f\u0131l\u0131rken son derece \u00f6nemli bir konudur ve en s\u0131k tart\u0131\u015f\u0131lan konudur.
\n\u015eimdiye kadarki uygulamalar, cihaz tespitinin g\u00f6rsel inceleme kadar do\u011fru olmad\u0131\u011f\u0131n\u0131 g\u00f6stermektedir; farkl\u0131 \u0131\u015f\u0131k alt\u0131nda siyahl\u0131k de\u011fi\u015fir; farkl\u0131 a\u00e7\u0131lar alt\u0131nda siyahl\u0131k de\u011fi\u015fir; farkl\u0131 da\u011f\u0131t\u0131c\u0131lar farkl\u0131 siyahl\u0131k vermek i\u00e7in farkl\u0131 karbon siyahlar\u0131 se\u00e7ecektir; y\u00fcksek siyahl\u0131\u011fa sahip karbon siyah\u0131 masterbatch mutlaka renklendirme g\u00fcc\u00fcn\u00fc art\u0131rmaz.
\nT\u00fcm bunlar\u0131 a\u00e7\u0131klamak kolayd\u0131r. \u00c7\u00fcnk\u00fc karbon siyah\u0131n\u0131n \u015feffaf lamelli yap\u0131s\u0131 + karbon siyah\u0131n\u0131n \u0131\u015f\u0131\u011f\u0131 absorbe etme yetene\u011fi. Karbon siyah\u0131n\u0131n \u015feffaf lamel yap\u0131s\u0131<\/p>\n

3. Titanyum dioksit
\n\u0130lk ba\u015fta herkes titanyum dioksitin da\u011f\u0131t\u0131lmas\u0131n\u0131n \u00e7ok kolay oldu\u011funu ve da\u011f\u0131t\u0131c\u0131larla veya da\u011f\u0131t\u0131c\u0131lar olmadan kullan\u0131labilece\u011fini d\u00fc\u015f\u00fcn\u00fcyordu. Ancak, di\u011fer zor da\u011f\u0131lan pigmentlerle bir araya getirildi\u011finde, titanyum dioksit y\u00fczen renkte yer alacakt\u0131r; y\u00fcksek seviyeli saf beyaz haz\u0131rlan\u0131rken, titanyum dioksit puslu olacakt\u0131r; \u00f6zel gereksinimli \u00fcr\u00fcnlerde, titanyum dioksitin m\u00fckemmel \u00f6rt\u00fcc\u00fcl\u00fc\u011fe ve beyazl\u0131\u011fa sahip olmas\u0131 gerekir ve y\u00fcksek s\u0131cakl\u0131k alt\u0131nda sararmas\u0131na izin verilmez; bir\u00e7ok yayg\u0131n end\u00fcstriyel durum pahal\u0131 y\u00fcksek seviyeli titanyum dioksit kullanmak veya hatta titanyum dioksiti ikame pigment olarak kullanmak konusunda isteksizdir; yukar\u0131daki sorunlar yard\u0131mc\u0131 end\u00fcstriyi titanyum dioksitin da\u011f\u0131l\u0131m\u0131na dikkat etmeye te\u015fvik etmi\u015ftir.
\n4. \u015eeffaf demir oksit
\n\u015eeffaf demir oksidin partik\u00fcl boyutu nanometre seviyesindedir ve y\u00fczeyi amfoteriktir, pigment konsantrasyonu d\u00fc\u015f\u00fck oldu\u011funda kolayca da\u011f\u0131l\u0131yor gibi g\u00f6r\u00fcn\u00fcr ve renk macununun viskozitesi \u00e7ok d\u00fc\u015f\u00fckt\u00fcr, ancak \u015feffafl\u0131\u011f\u0131 en iyi \u015fekilde elde etmek kolay de\u011fildir; ve pigmentin kritik konsantrasyonunu biraz a\u015ft\u0131\u011f\u0131nda, renk macunu hemen kar\u0131\u015ft\u0131r\u0131lamayacak kadar kal\u0131nla\u015f\u0131r, bu da kum de\u011firmeninin verimlili\u011fini kaybetmesine neden olur.
\nDemir oksitin saydaml\u0131\u011f\u0131, t\u0131pk\u0131 karbon siyah\u0131n\u0131n siyahl\u0131\u011f\u0131 gibi, her zaman geli\u015fmeye devam edecek gibi g\u00f6r\u00fcnmektedir. Deneylerimiz, zaten iyi \u015feffafl\u0131\u011fa sahip oldu\u011funu d\u00fc\u015f\u00fcnd\u00fc\u011f\u00fcm\u00fcz bir numunenin 45\u00b0'den bak\u0131ld\u0131\u011f\u0131nda hala yo\u011fun bir bulan\u0131kl\u0131\u011fa sahip olabilece\u011fini g\u00f6stermi\u015ftir;
\nPeki, en iyi ne kullan\u0131l\u0131r? Bu soru da bir ba\u015fka zor ikilemdir.
\nKatk\u0131 maddeleri \u015firketleri de ayn\u0131 \u015fekilde kendi programlar\u0131n\u0131 sunmaktad\u0131r. Bu durum yay\u0131nlanan tavsiyelerde g\u00f6r\u00fclebilir.
\nRe\u00e7ine sistemlerindeki farkl\u0131l\u0131klar\u0131n neden oldu\u011fu se\u00e7icilikle birlikte, \u00f6nerilen birden fazla \u00e7\u00f6z\u00fcm vard\u0131r.
\n5. Paspas Tozu
\nPaspas tozunun kendisinin da\u011f\u0131lmas\u0131 zor de\u011fildir. \u00dcretim s\u0131ras\u0131nda \u00f6nceden mikronize edilir. Baz\u0131lar\u0131 polar hidroksil gruplar\u0131 ile y\u00fczey vaks\u0131 i\u015flemine sahiptir ve baz\u0131lar\u0131 de\u011fildir. Bununla birlikte, matla\u015ft\u0131rma tozlar\u0131n\u0131n da\u011f\u0131lma sorunu uygulaman\u0131n gerekliliklerinden kaynaklanmaktad\u0131r.
\nBaz\u0131lar\u0131 mat kaplamalar\u0131n tek bir form\u00fclasyonla \u00e7e\u015fitli uygulama y\u00f6ntemlerine uyarlanabilmesini gerektirir, \u00f6rne\u011fin tutarl\u0131 parlakl\u0131k i\u00e7in sprey f\u0131r\u00e7alama;
\nBaz\u0131lar\u0131, paspas\u0131n homojenli\u011finin y\u00fcksek s\u0131cakl\u0131k ve y\u00fcksek nem ko\u015fullar\u0131 alt\u0131nda etkilenmemesini gerektirir;
\nD\u00fc\u015f\u00fck viskozite ko\u015fullar\u0131 i\u00e7in gereksinimler vard\u0131r, matla\u015ft\u0131rma tozu en k\u00fc\u00e7\u00fck yerle\u015fime sahiptir;
\nBaz\u0131lar\u0131 en y\u00fcksek \u015feffafl\u0131\u011f\u0131 gerektirir;
\nBaz\u0131lar\u0131 m\u00fckemmel s\u00fcrt\u00fcnme direnci ve sert kuvars tozunun kullan\u0131lmas\u0131n\u0131 gerektirir, bu nedenle birlikte da\u011f\u0131t\u0131lman\u0131z gerekir vb.
\nBu durum, da\u011f\u0131t\u0131c\u0131lar\u0131n da de\u011fi\u015fmesine yol a\u00e7m\u0131\u015ft\u0131r. Geleneksel \u0131slat\u0131c\u0131 ve da\u011f\u0131t\u0131c\u0131 maddelerden \u00f6zel polimer PU da\u011f\u0131t\u0131c\u0131lara, fosfat esterlere, fosfat esterlerin amin tuzlar\u0131na ve di\u011fer \u00f6zel polimerlere kadar hepsi matla\u015ft\u0131r\u0131c\u0131 tozlar\u0131 da\u011f\u0131tmak i\u00e7in kullan\u0131lm\u0131\u015ft\u0131r. Peki hangisi en iyisidir? Daha \u00f6nce de belirtildi\u011fi gibi, bu nas\u0131l ihtiya\u00e7 duydu\u011funuza ba\u011fl\u0131d\u0131r. Tek bir da\u011f\u0131t\u0131c\u0131n\u0131n yukar\u0131daki t\u00fcm gereksinimleri ayn\u0131 anda \u00e7\u00f6zmesini bekleyemezsiniz.
\nPrensip olarak, bir \u0131slat\u0131c\u0131 madde nihai sistemin ak\u0131\u015f kabiliyetini geli\u015ftirir; y\u00fcksek ba\u011f\u0131l molek\u00fcler k\u00fctleli bir da\u011f\u0131t\u0131c\u0131 \u00e7\u00f6kelmeyi \u00f6nler ve matla\u015ft\u0131r\u0131c\u0131 tozun \u0131slak film boyunca hareketini kontrol eder, b\u00f6ylece homojen bir matla\u015ft\u0131rma sa\u011flamak i\u00e7in daha kolay y\u00f6nlendirilebilir.
\n6. Al\u00fcminyum tozu ve sedef tozu gibi metalik par\u0131lt\u0131l\u0131 pigmentler
\nYayg\u0131n bir \u00e7\u00f6z\u00fcm \u0131slat\u0131c\u0131 bir maddedir.
\nRe\u00e7ine ile uyumlu polimer da\u011f\u0131t\u0131c\u0131lar ile de da\u011f\u0131t\u0131labilirler. Ayr\u0131ca hareketlerini de kontrol edin. Bunlar i\u00e7in ba\u015far\u0131l\u0131 form\u00fclasyon \u00f6rnekleri vard\u0131r.
\n7. Nano \u00f6l\u00e7ekli titanyum dioksit ve di\u011fer nano-dispersiyonlar
\nBu durumda, polimer PU'lar uyumlu olduklar\u0131 takdirde en iyi stabilize edici etkiyi verirler. Aksi takdirde, akrilik bazl\u0131 bir dispersan gereklidir.
\n8. Bir ana da\u011f\u0131t\u0131c\u0131n\u0131n belirlenmesi
\nGenel olarak, tan\u0131mlanm\u0131\u015f bir re\u00e7ine ve solvent sisteminde, MANTOS uygun bir ana da\u011f\u0131t\u0131c\u0131 se\u00e7mek i\u00e7in bu y\u00f6ntemi \u00f6nermektedir:
\n\u0130lk olarak, d\u00f6rt pigmentin da\u011f\u0131t\u0131lmas\u0131: y\u00fcksek pigmentli karbon siyah\u0131, titanyum dioksit, DPP k\u0131rm\u0131z\u0131s\u0131 ve s\u0131radan demir oksit k\u0131rm\u0131z\u0131s\u0131.
\n\u2460 Dispersant\u0131n bu d\u00f6rt normal masterbatchin haz\u0131rlanmas\u0131nda herhangi bir zorlu\u011fu olup olmad\u0131\u011f\u0131n\u0131, \u00f6rne\u011fin viskozite azaltma davran\u0131\u015f\u0131n\u0131n yeterli olup olmad\u0131\u011f\u0131n\u0131 de\u011ferlendirin.
\n\u2461 Renk yay\u0131l\u0131m\u0131n\u0131n g\u00fcc\u00fcn\u00fc de\u011ferlendirin.
\n(iii) Depolama stabilitesini de\u011ferlendirin (ak\u0131\u015f plakas\u0131 ve termal depolama).
\nE\u011fer bir dispersan bu \u00f6zel sistemde yukar\u0131daki d\u00f6rt pigment i\u00e7in iyi bir dispersiyon kabiliyeti g\u00f6sterebiliyorsa, o zaman temelde di\u011fer \u00e7e\u015fitli pigmentler i\u00e7in de yeterlidir. Bu durumda sistem i\u00e7in ana da\u011f\u0131t\u0131c\u0131 olarak se\u00e7ilebilir. Tabii ki, \u015feffaf demir oksit pigmentleri gibi \u00f6zel pigmentler i\u00e7in istisnalar yap\u0131labilir.
\nBu y\u00f6ntem, uygulama i\u00e7in do\u011fru pigment t\u00fcr\u00fcn\u00fc bulmak amac\u0131yla iki farkl\u0131 dispersan\u0131n birle\u015fik performans\u0131n\u0131 de\u011ferlendirmek i\u00e7in de kullan\u0131labilir.<\/p>","protected":false},"excerpt":{"rendered":"

Bir dispersan nas\u0131l se\u00e7ilir? I. Dispersiyon i\u00e7in ana re\u00e7ine se\u00e7imi Re\u00e7ine, \u00f6zellikle \u00f6\u011f\u00fctme re\u00e7inesi, renkli pastan\u0131n haz\u0131rlanmas\u0131nda \u00f6nemli bir rol oynar ve ana re\u00e7inenin rol\u00fc a\u015fa\u011f\u0131daki gibidir: (1) Pigmenti da\u011f\u0131tmak ve sabitlemek. (2) Da\u011f\u0131t\u0131lm\u0131\u015f pigment partik\u00fcllerini stabilize etmek ve [...]<\/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-6181","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"\nHow to choose a dispersant? - 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\/tr\/how-to-choose-a-dispersant\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to choose a dispersant? - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"How to choose a dispersant? I. Selection of main resin for dispersion Resin, especially the resin for grinding, plays a key role in the preparation of colour paste, and the role of the main resin is as follows: (1) To disperse and anchor the pigment. 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