Hydroxypropyl methylcellulose (HPMC) a cikin rigar-mix turmi

MatsayinHPMC a cikin rigar-mixed turmi

Tumi-mixed rigar siminti ne, tara mai kyau, haɗawa, ruwa da sassa daban-daban da aka ƙaddara bisa ga aikin. Dangane da wani kaso, bayan an auna shi a gauraya a wurin hadawa, sai a kai shi wurin da za a yi amfani da shi ta hanyar babbar mota, sannan a saka shi a cikin wani abu na musamman da ake ajiye rigar a cikin kwandon kuma a yi amfani da shi cikin ƙayyadadden lokaci.

Ana amfani da Hydroxypropyl methylcellulose azaman wakili mai karewa don slurry siminti da kuma azaman mai ragewa don yin slurry mai yuwuwa. Hydroxypropyl-Methyl Cellulose HPMC Cellulose's ikon moisturizing a matsayin dankowar bayani yana ƙara tasiri na dab kuma yana ƙara lokacin aiki. Wannan yana ba da damar sesame don kada ya tsage da sauri bayan man shafawa da kuma ƙara ƙarfi bayan bushewa. . Hydrochloric acid muhimmin aiki ne na HPMC don yin hydrolyze cellulose, kuma shine masana'anta da yawa a cikin Sinawa. Abubuwan da ke shafar rigar slurry sun haɗa da adadin ƙari na HPMC, dankowar HPMC, kyawun barbashi da zafin yanayi.

Muhimmiyar rawar da HPMC ke takawa a cikin rigar cakuda yana nunawa a cikin abubuwa uku: ɗayan yana da ƙarfin riƙe ruwa mai kyau, ɗayan shine tasiri akan daidaito da nakasar jigon jika, ɗayan kuma shine hulɗa tare da ciminti. Adadin ether cellulose ya dogara ne akan ɗaukar ruwa ta hanyar substrate, abun da ke ciki na yashi, kauri daga cikin Layer, buƙatar ruwa a cikin bayani, da lokacin ƙaddamarwa na kayan.

Abubuwan da ke riƙe da ɗanshi da ke shafar cellulose na hydrolyzed sun haɗa da dankowar ɓangaren litattafan almara, adadin adadin, ƙarancin barbashi da zafin jiki. Mafi girma da ether cellulose, mafi kyawun juriya na ruwa. Danko shine muhimmin ma'aunin aiki na HPMC. Don samfurin iri ɗaya, sakamakon danko da aka auna ta hanyoyi daban-daban ya bambanta sosai, wasu ma sun kai ga ci gaban geometric. Don haka, don kwatanta danko, yana buƙatar yin tsakanin hanyoyin gwaji iri ɗaya, gami da zafin jiki, sandal, da sauransu.

Gabaɗaya magana, mafi girman danko, mafi kyawun aikin hana ruwa. Amma mafi girma da karuwa a cikin danko, HPMC, mafi girman nauyin kwayoyin halitta, ƙananan abubuwan solubility, maganin yana da karfi, kuma kadarorin suna da mummunar tasiri. Mafi girman danko, mafi kyawun sakamako mai kauri a cikin bayani, amma ba daidai ba kai tsaye ga rabo. Mafi girman danko, daɗaɗɗen ruwa kuma mafi kyawun bayani, lokacin da ake ginawa, yana nuna juriya mai tsayi a gaban ƙwanƙwasa da kayan aiki. Amma ƙara ƙarfin tsari ga rigar turmi kanta ba zai taimaka ba. Lokacin da aka gina gine-ginen biyu, an gano cewa aikin rigakafin sauro ya ɓace. Sabanin haka, wasu ƙananan danko bayan gyaran gyare-gyare na methacrylic acid, yayin da cellulose ke inganta maganin rigar da ƙarfin tsarin, yana da kyawawan kaddarorin.