Halayen fasahar zafin jiki don hydroxypropyl methylcellulose

Hydroxypropyl methylcellulose (HPMC)wani muhimmin sinadari ne, ana amfani da shi sosai wajen kayan gini, magunguna, abinci da sauran fannoni. Musamman a cikin masana'antar gine-gine, ana amfani da HPMC sosai saboda kyakkyawan aiki. Fasahar zafin jiki mai girma tana taka muhimmiyar rawa wajen samarwa da aikace-aikacen HPMC.

1. Matsayin fasaha mai zafi a cikin HPMC

ProductionHydroxypropyl methylcellulose yana samuwa ta hanyar jerin halayen sinadarai kamar alkalization da etherification na cellulose na halitta. Ana amfani da fasahar zafin jiki mai girma a cikin rushewa, bushewa da gyare-gyaren matakai na tsarin dauki. Maganin zafin jiki mai girma ba zai iya haɓaka saurin amsawa kawai ba, amma kuma inganta tsabta da kwanciyar hankali na samfurin.

Ingantattun halayen amsawa

A karkashin yanayin zafi mai zafi, ana haɓaka ƙimar amsawar cellulose da sodium hydroxide, wanda ke haɓaka halayen maye gurbin hydroxypropyl da methyl a cikin ƙwayoyin cellulose, ta haka inganta matakin maye gurbin (DS) da daidaito na HPMC.

Cire ƙazanta

A high zafin jiki yanayi iya yadda ya kamata cire ta-kayayyakin samar a lokacin dauki, kamar unreacted alkali bayani da sauran ƙarfi, da kuma inganta da tsarki na HPMC.

Inganta ingancin bushewa

A lokacin aikin bushewar zafin jiki mai zafi, danshin HPMC yana ƙafe da sauri, yana guje wa samfur daga haɓaka ko ƙirƙira a ƙananan yanayin zafi, da haɓaka kwanciyar hankali da aikin ajiyar samfur.

2. Tasirin fasahar zafin jiki mai zafi akan aikin HPMC

Fasahar zafin jiki mai zafi ba kawai yana shafar tsarin jiki na HPMC ba, har ma yana da tasiri mai zurfi akan abubuwan sinadarai da tasirin aikace-aikacen.

Daidaita danko

Tsarin zafin jiki mai girma zai iya sarrafa rarraba nauyin kwayoyin halitta na HPMC yadda ya kamata, ta haka yana daidaita danko. Mafi girman yanayin zafi yana taimakawa rage yuwuwar karyewar sarkar kwayoyin halitta, yin dankowar HPMC a cikin maganin ruwa mai ruwa da tsaki.

Ingantacciyar juriya mai zafi

An inganta kwanciyar hankali na thermal na HPMC ta hanyar maganin zafin jiki mai zafi. A cikin ginin turmi da tile adhesives, HPMC na iya har yanzu kula da kyawawan mannewa da kaddarorin hana sagging a ƙarƙashin yanayin zafi mai girma.

Ingantacciyar narkewa

A lokacin aikin bushewa mai zafi mai zafi, an inganta microstructure na HPMC, yana sa ya zama mai narkewa cikin ruwan sanyi. Musamman a cikin mahalli masu ƙarancin zafin jiki, HPMC na iya narkar da sauri da samar da maganin colloidal iri ɗaya.

3. Specific aikace-aikace na high zafin jiki fasaha a HPMC samar tsari

Etherification dauki mataki

Ta hanyar aiwatar da amsawar etherification a babban zafin jiki na 80-100 ° C, za a iya haɓaka halayen maye gurbin hydroxypropyl da ƙungiyoyin methyl, don haka HPMC yana da babban matakin maye gurbin da kwanciyar hankali.

Bushewa da murkushe matakin

Fasahar bushewar iska mai zafi sama da 120 ° C ba zai iya cire danshi kawai ba, amma kuma ya hana foda HPMC daga haɓakawa yayin aikin bushewa. Daga baya, ana amfani da fasahar murkushe zafin jiki mai girma don sanya ɓangarorin foda na HPMC su zama masu laushi da ɗaiɗai, kuma ana haɓaka rarrabuwar samfuran.

Maganin warkewar zafin jiki mai girma

Lokacin da aka yi amfani da HPMC a cikin kayan gini ko sutura, babban maganin warkewar zafin jiki na iya haɓaka juriya ta tsaga, juriya da aikin riƙon ruwa, tabbatar da kyakkyawan tasirin gini a cikin yanayi mara kyau.

4. Abũbuwan amfãni daga high zafin jiki fasaha a HPMC aikace-aikace filayen

Kayan gini

A ƙarƙashin yanayin zafi mai zafi, HPMC yana nuna kyakkyawan kauri da riƙe ruwa a cikin turmi da foda, yana hana turmi daga saurin bushewa da fashewa.

Masana'antar fenti

HPMC hade da high zafin jiki yana da kyau matakin da anti-sagging effects a latex Paint, wanda inganta mannewa da sa juriya na shafi.

Masana'antar harhada magunguna

Fasahar zafin jiki mai girma na iya inganta daidaiton HPMC a cikin shafi na miyagun ƙwayoyi da tabbatar da daidaiton tasirin sakin magunguna.

Aikace-aikacen fasahar zafin jiki nahydroxypropyl methylcelluloseba kawai inganta samar da inganci ba, amma kuma yana inganta aikin samfurin. Ta hanyar babban zafin jiki tsari, danko, solubility da thermal kwanciyar hankali na HPMC da aka muhimmanci inganta, sa shi yana da fadi aikace-aikace bege a cikin filayen yi, coatings da kuma magani. A nan gaba, tare da ci gaba da haɓaka fasahar fasahar zafin jiki, aikin HPMC za a ƙara inganta, yana ba da gudummawa mai girma ga ci gaban kayan kore da muhalli.