Hydroxypyl methylcellose (hpmc)Shin wani abu ne da aka saba amfani da shi mai narkewa mai narkewa, ana amfani dashi sosai a cikin gini, coftings, magunguna, magunguna, abinci da kayan kwalliya. Matsayin samarwa yana da hadaddun abubuwa da kuma ya ƙunshi matakai da yawa, amma har da rushewa, dauki, wanka, bushewa da murkushe selulose.
1. Shiri na abu
Nasarin hydroxypropyl methylcellulose yana amfani da tsire-tsire kamar itace ko auduga a matsayin albarkatun ƙasa. Da farko, Cellose yana buƙatar fitar da shi daga shuka. An cire shi ne na cellulose da aka fitar dashi gaba daya ne, kwashe, da kuma ƙazantar ruwa don samun ingantaccen kayan sel.
2. Karkatarwar Celulose
Cellulose yana da talauci a ruwa, don haka yana buƙatar narkar da shi ta hanyar ƙarfi yayin aiwatar da samarwa. Hanyoyin da aka gama gama gari sune cakuda chlorium da ruwa, ko cakuda ammoniya da ethanol. Na farko, tsarkakakkiyar selulose ne gauraye tare da sauran ƙarfi kuma bi da a babban zazzabi don tabbatar da cewa cellulose na iya narkar da gaba ɗaya.
3.
Wakili mai zurfi (kamar methyl chloride ko methyl chloride) an ƙara shi zuwa sel dissolve don ɗaukar hoto. Babban dalilin wannan dauki shine gabatar da kungiyoyin methyl (-Och₃) don samar da sel metyl. Wannan tsari yana buƙatar aiwatarwa a cikin yanayin alkaline, da kuma sarrafa yanayin zafin jiki da lokaci yana da tasiri mai mahimmanci akan tsarin kwayoyin halitta da aikin samfurin ƙarshe.
4.
A methylulose eeladdara mai amfani da acryles (kamar Allyl chloride) don gabatar da kungiyoyin hydroxypyl (-Och₂ch₃). Wannan amsawar yawanci ana za'ayi a cikin abin bayani na alkaline, da kuma ikon yin amsawa da lokacin amsawa yana yanke shawarar hydroxypolyl na samfurin. Digiri na Hydroxypropyewa kai tsaye yana shafar ƙima, danko da sauran kayan aikin hpmc.
5. Rashin daidaituwa da Wanke
Bayan amsawar da aka kammala, wasu abubuwa na alkaline ko reagents mai guba na iya kasancewa cikin tsarin. Saboda haka, ya zama dole a cire abubuwan alkaline ta hanyar maganin neutralization. Rashin daidaitawa yawanci ana ɗauka tare da acid (kamar acetic acid ko hydrochloric acid), da gishiri na tsaka-tsaki za a samar da amsawar Acid. Bayan haka, impurities a cikin mafita ana cire shi da wutsiyoyi masu yawa don tabbatar da tsabta na samfurin.
6. Rashin lafiya da bushewa
The wanke bayani bayani yana buƙatar bushewa, da kuma ƙura ko ulfilliltth ana amfani da su don cire ruwa. Tsakiyar ƙwayar ƙwayar ƙwayar cuta ta ƙunshi babban taro na bushe al'amari, sannan ya shiga cikin bushewa. Hanyar bushewa na iya zama bushewa, bushewa ko bushewa iska mai zafi. Ikon zazzabi yayin tsarin bushewa yana da matukar muhimmanci. Might sosai zazzabi na iya haifar da samfurin don lalata ko rasa aikin da ake tsammanin.
7. Murkushe da sieving
A bushe hydroxypyl methylcellulopyl methylcellulose yana cikin foda foda kuma yana buƙatar a murƙushe girman ƙwayar ƙwayar samfurin a cikin wani kewayon. Tsarin sinadarin na iya tabbatar da daidaitaccen samfurin da cire ƙazanta tare da manyan barbashi.
8. Wagaggawa da ajiya
A sakamakon hydroxypropyl methylcellulose za a iya samar da shi a cikin kayan haɗawa daban-daban bisa ga bukatun abokin ciniki, kamar jaka, ganga, da dai sauransu suna biyan samfuran don hana shi. Ya kamata a adana samfurin kunshin a bushe da kuma sanyi yanayin don guje wa high zazzabi da zafi.
9. Gudanarwa mai inganci
Ana buƙatar ikon sarrafa ingancin inganci a kowane mahaɗin a cikin tsarin samarwa don tabbatar da cewa samfurin ƙarshe ya cika ka'idodin. Abubuwan gwajin gama gari sun hada da: danko, danko, ƙimar pH, abun ciki mai mahimmanci da danshi. The properties of the product directly affect its effect in different application fields, so quality control is a key link in the production of hydroxypropyl methylcellulose.
Tsarin samarwa namethypyl methylceloseYa ƙunshi halayen sunadarai da yawa da matakai na jiki, kuma suna da babban buƙatu don yanayin tsari. Haƙuri zazzabi, lokaci, ƙimar PH da sauran dalilai dole ne a sarrafa su sosai a samarwa don samun samfuran tare da kyakkyawan aiki. Tare da ci gaban kimiyya da fasaha da haɓaka fasahar samarwa, tsarin samar da HPMC yana inganta, kuma filin aikace-aikacen shine fadada.
Lokaci: Feb-17-2025