Hydroxypropyl Methyl Cellulose HPMC
Hydroxypropyl methylcellulose (HPMC), ether maras ionic cellulose, an samo shi daga cellulose na halitta ta hanyar tsauraran matakan sinadarai. Wannan farin foda yana da yanayin rashin wari da rashin jin daɗi, yana mai da shi ba mai guba ba kuma mai lafiya ga aikace-aikace daban-daban. Ɗaya daga cikin fitattun sifofinsa shine ikon narkar da shi a cikin ruwan sanyi, yana haifar da bayani mai haske. HPMC yana da faffadan kaddarorin aiki, gami da kauri, mannewa, watsawa, emulsification, da damar yin fim. Bugu da ƙari, ya yi fice a cikin riƙe da ɗanshi, gelation, da aikin saman ƙasa, yana mai da shi madaidaicin fili a cikin masana'antu da yawa, kamar su magunguna, samar da abinci, gini, da kayan kwalliya.
A cikin ɓangaren gine-gine, HPMC ya sami ɗimbin aikace-aikace masu mahimmanci don haɓaka inganci da ingancin kayan gini. Misali, lokacin da aka haɗa shi cikin slurry siminti-yashi, HPMC yana haɓaka rarrabuwar kayan sosai, yana haifar da ingantaccen filastik da ingantaccen riƙon ruwa a aikace-aikacen turmi. Wannan al'amari yana da mahimmanci, saboda yana taimakawa hana tsagewar gine-gine, ta yadda za a kara tsawon rai da kwanciyar hankali na ginin. Hakazalika, a cikin mahallin yumburan yumbura, HPMC yana inganta ba kawai riƙewar ruwa ba har ma da mannewa da filastik, waɗanda ke da mahimmanci don aikace-aikace mai mahimmanci da tsawon rai ba tare da batun foda ba.
Bugu da ƙari, HPMC yana bin ƙa'idodin aminci, ana gane shi azaman ƙari na abinci mara guba don amfani, ba shi da ƙimar caloric kuma kasancewa mara fushi ga fata da mucous membranes. Dangane da ka'idodin FDA da FAO/WHO, ana saita yawan izinin yau da kullun na HPMC a 25mg/kg, yana ba da tabbacin amfani da shi a aikace-aikace daban-daban. Koyaya, yin taka tsantsan yana da mahimmanci yayin sarrafa HPMC don tabbatar da aminci yayin aikace-aikacen sa. Ana ba da shawarar sanya kayan kariya, guje wa fallasa ga tushen wuta, da rage ƙurar ƙura a cikin rufaffiyar saitunan don rage haɗarin fashewar abubuwa. Haka kuma, HPMC ya kamata a adana shi a cikin busasshiyar wuri, da iska mai kyau, kariya daga hasken rana kai tsaye da danshi, tare da kulawa da ake bukata yayin sufuri don kare shi daga ruwan sama da sauran abubuwan yanayi. An tattara HPMC amintacce a cikin jakunkuna mai nauyin kilogiram 25 da aka yi da polypropylene, an yi liyi tare da polyethylene don ƙarin kariya, tabbatar da cewa samfurin ya kasance a rufe kuma yana ci gaba da yin amfani da shi.
