Hydroxypropylmethylcellulose (HPMC) ether ce ta cellulose da aka samu daga tushen halitta kamar ɓangaren litattafan almara da auduga.Saboda kaddarorinsa na musamman, ciki har da narkewar ruwa, iyawar kauri, kaddarorin fim, da sauransu, ana amfani da shi sosai a masana'antu daban-daban.Ɗaya daga cikin mahimman abubuwan da za a yi la'akari da lokacin amfani da HPMC shine danko, wanda zai iya tasiri sosai a cikin yanayin amfani daban-daban.A cikin wannan labarin, mun tattauna dalilin da ya sa ya kamata a zabi cellulose HPMC tare da daban-daban viscosities don daban-daban amfani muhallin, da kuma yadda daidai danko zai iya taimaka inganta HPMC yi.
Dankowa ma'auni ne na juriyar ruwa don gudana kuma yana da mahimmancin la'akari lokacin zayyana samfuran da ke buƙatar takamaiman halayen kwarara.Danko yana rinjayar aikin HPMC saboda yana ƙayyade ikonsa na samar da gels, yana shafar pH na maganin, kauri na sutura, da sauran kayan jiki.Ana samun HPMC a nau'o'in danko daban-daban, nau'ikan da aka fi sani da su sune ƙananan danko (LV), matsakaicin danko (MV) da babban danko (HV).Kowane ɗayan waɗannan nau'ikan yana da takamaiman manufa kuma ya dace da takamaiman yanayi.
Ƙananan Dankowa (LV) HPMC
Low danko HPMC yana da in mun gwada da ƙananan kwayoyin nauyi kuma yana da sauƙin narkewa a cikin ruwa.Shi ne mafi yawan nau'in HPMC kuma ana amfani dashi a cikin masana'antu iri-iri da suka hada da abinci, kayan shafawa, gine-gine da kuma magunguna.LV HPMC ya fi dacewa da aikace-aikacen da ke buƙatar ƙananan matsakaitan danko mafita kamar bayyanannun gels, emulsions da fenti.Hakanan za'a iya amfani da LV HPMC don tsawaita rayuwar abinci, rage syneresis da samar da laushi mai laushi.
Hakanan ana amfani da LV HPMC akai-akai a cikin masana'antar gini don haɓaka iya aiki na kayan tushen siminti kamar turmi, grouts da adhesives na tayal.Yana taimakawa rage asarar ruwa a gaurayawan siminti, yana hana tsagewa, kuma yana ƙarfafa haɗin kai tsakanin kayan.Hakanan ana amfani da LV HPMC don ƙara ƙarfi da dorewa na filasta, stucco da sauran abubuwan da ke da alaƙa.
Matsakaici Danko (MV) HPMC
Matsakaici danko HPMC yana da mafi girma kwayoyin nauyi fiye da LV HPMC kuma ba shi da wuya mai narkewa a cikin ruwa.Yawancin lokaci ana amfani dashi a aikace-aikacen da ke buƙatar ƙarin mayar da hankali kamar su rufi, varnishes da tawada.MV HPMC yana da mafi kyawun sarrafa kwarara da kaddarorin aikace-aikacen fiye da LV HPMC, wanda ke haifar da kauri da daidaiton kauri na fim.Hakanan za'a iya amfani da MV HPMC akan kewayon pH mai faɗi, yana ba da ƙarin haɓaka don aikace-aikace iri-iri.
Hakanan ana amfani da MV HPMC sosai a cikin samfuran magunguna, kamar allunan sakin da aka sarrafa, saboda yana jinkirta rushewa kuma ta haka yana tsawaita sakin sinadarai masu aiki.
Babban Danko (HV) HPMC
Babban danko HPMC yana da mafi girman nauyin kwayoyin halitta na duka maki uku kuma shine mafi ƙarancin ruwa mai narkewa.Yawancin lokaci ana amfani dashi a aikace-aikacen da ke buƙatar kauri da haɓaka kaddarorin, kamar su biredi, creams da gels.HV HPMC yana taimakawa haɓaka rubutu da ɗanƙon samfuran, yana ba da ƙarin ƙwarewar mai amfani mai daɗi.Hakanan za'a iya amfani dashi don daidaita emulsions, hana daidaitawa da tsawaita rayuwar shiryayye.Bugu da ƙari, ana amfani da HV HPMC sau da yawa a cikin masana'antar takarda don inganta ƙarfin takarda da iya bugawa.
a karshe
Madaidaicin danko na HPMC yana da mahimmanci don haɓaka aikin sa a wurare daban-daban na amfani.LV HPMC ya fi dacewa da aikace-aikacen da ke buƙatar ƙananan danko mafita, yayin da MV HPMC ya dace da mafita mai kauri kamar fenti, varnishes da tawada.A ƙarshe, HV HPMC ya dace da aikace-aikacen da ke buƙatar kauri da haɓaka kaddarorin kamar creams, gels da miya.Zaɓin madaidaicin danko na iya taimakawa haɓaka aikin HPMC gaba ɗaya kuma ya sa ya fi dacewa da aikace-aikace daban-daban.
Lokacin aikawa: Agusta-31-2023