Cellulose ne polysaccharide wanda ya samo asali ne daga bakin ruwan da ake so. PRELUMUCHOOS thickers ne da baƙon ruwa mai narkewa. Tarihin amfaninta yana da tsawo mai shekaru 30, fiye da shekaru 30, kuma akwai nau'ikan da yawa. Har yanzu ana amfani da su a kusan dukkanin alamun latex kuma sune mafi girman alkaluma. Pelladdoic Thickeners suna da tasiri sosai a cikin tsarin ruwa mai ruwa saboda sun yi farin ciki da ruwa kansu. A cikin masana'antar fenti, an fi amfani da shi sel sel da aka saba amfani dasu sune:Methyl Slelluluose (MC), Slellulosehyl Slellulose (hec), ethyl hydroxyl pellululoseh (Ehec), selphypropyl cellulosepropyl pel (hpc),Hydroxypyl methyl selululose (hpmc)da kuma hydrophobiby gyara sel selululose (hmhec). HEC shine ruwa mai narkewa wanda aka yi amfani dashi sosai a cikin lokacin da Matt da Semi-mai sheki na latex. Ana samun thickees ana samun su a cikin grades daban-daban da thickenion tare da wannan sel tare da wannan kyakkyawan launi dacewa da kwanciyar hankali da kwanciyar hankali.
Mataki, anti-splash, fim-forming da anti-frashing da anti-sagging kaddarorin na shafi kayan fim dogaro akan nauyin kwayar halittaHec. HEC da sauran marasa alaƙa da ruwa mai narkewa mai narkewa suna da ruwa mai ruwa mai narkewa. Za a iya amfani da sel tufafi kaɗai ko a hade tare da wasu thickeners don samun rhornes na musamman. PRELUOS ELESTERS na iya samun nauyi daban-daban na ƙwayoyin cuta daban-daban da kuma grades da kewayon ƙwayoyin cuta daban-daban na ƙwararrun ƙwararrun mp s zuwa babban nauyin ƙwararrun MP S zuwa babban nauyi. Ana amfani da ƙarancin nauyin ƙwayoyin cuta mafi yawan lokuta a matsayin mai kariya a cikin latex fenti mai amfani da polymerization, kuma mafi yawan lokuta ana amfani da su 4 800-50 000 MPCSHE. Hanyar wannan nau'in tsinkaye shine saboda hydration na hydrise da kuma shiga tsakani tsakanin sarƙoƙin kwayoyin.
Cellar Cellulose na gargajiya shine babban nauyin kwayar halittar da thickens yafi ta hanyar shiga tsakanin sarƙoƙin kwayar cuta. Saboda babban danko a ƙarancin karancin karfi, dukiyar matakin ba talauci ba, kuma tana shafar mai sheki na shafi. A babban adadin karfi, da danko ya ƙasa, fankar da tsayin diyyar fim maras kyau, da kuma cikar fim din ba shi da kyau. Halayen aikace-aikacen HEC, irin su juriya na go gado, suna yin fim da roller spatter, suna da alaƙa kai tsaye ga zaɓi na Thickener. Har ila yau, kwararan da ke gudana kamar matakan da aka samu da kuma sag resistance sun sha bamban da thickeners.
Hydrophobibically modonie sel (hmhec) thickelulose ne mai kauri wanda yake da gyaran hydrophobic a kan wasu roka mai dadewa (da dama alkyl sarkar ana gabatar da manyan sarkar tsarin). Wannan rufin yana da ingantaccen danko a kan babban adadin farashin kuma saboda haka mafi kyawun samuwar fim. Kamar natrosol da aji na 330, 331, silume SG-100, Bermocol EHM-100. Tasirin da aka yiwa zafinsa yana kama da na cellulose ether thickkeers tare da manyan ƙwayoyin kwayar cuta. Yana inganta danko da kuma matakin ICI, kuma yana rage tashin hankali. Misali, tashin hankali na HEC kusan 67 mn / m, da kuma tashin hankali na Hmhec shine 55 ~ 65 mn / m.
Hmhec yana da kyakkyawan feuwa, anti-sagging, matakin kaddarorin, ingantaccen mai sheki da anti-pigment Caking. Ana amfani dashi da yawa kuma bashi da mummunan sakamako akan fim ɗin samuwar mai kyau barbashi girman latex. Kyakkyawan fim mai kyau da kuma aikin anti-lalata. Wannan mai nuna godiya na musamman yana aiki da kyau tare da Vinyl Acetate tsarin kuma yana da kayan kwalliya mai kama da sauran masu ruɓaɓɓen ra'ayi, amma tare da mafi sauƙin tsari.
Lokaci: APR-25-2024