Hydroxypyl methylcellose (hpmc) Shin wani yanki ne wanda ake amfani da shi wanda aka saba amfani dashi, ana amfani dashi sosai a gini, abinci da sauran masana'antu. A matsayin mai narkewa mai narkewa, hpmc yana da kyakkyawar riƙewar ruwa, fim-foring, thickening da kaddarorin emulsioness. Rediyon ruwa na ruwa yana daya daga cikin mahimman kayan aikinta a cikin aikace-aikace da yawa, musamman a cikin masana'antar jirgin, wanda zai iya jinkirta fitar da ruwa da kuma inganta aikin da kuma ingancin kayan aikin. Koyaya, Ruwa na Ruwa na HPMC yana da alaƙa da canjin zazzabi a cikin yanayin waje, da fahimtar wannan dangantakar yana da mahimmanci don aikace-aikacen ta daban-daban.
1. Tsarin da Ragewar ruwa na HPMC
HPMC an yi shi ne ta hanyar siginar sel na halitta, yafi ta gabatar da Hydroxypropyl (-C3H7OH) da methyl ƙungiyoyi a cikin sarkar sel, wanda ke ba shi kyau ƙididdigar tsari. Kungiyoyin Hydroxyl (-Oh) a cikin kwayoyin HPMC na iya samar da shaidu na hydrogen tare da kwayoyin ruwa. Sabili da haka, HPMC na iya ɗaukar ruwa kuma a haɗa da ruwa, yana nuna riƙewar ruwa.
Riƙewa tana nufin ikon wani abu don riƙe ruwa. Don HPMC, ana bayyana shi galibi a cikin iyawar ta kula da abun ciki na cikin tsarin ta hanyar hymeration, wanda zai iya hana saurin asarar abu. Tunda hydration a cikin kwayoyin halittar HPMC suna da alaƙa da hulɗa na tsarin aikinta, canje-canje na zazzabi zai shafi damar ɗaukar ruwa da ruwa na HPMC.
2. Tasirin zazzabi a kan riƙe ruwa na hpmc
Dangantaka tsakanin Ruwan Ruwa na HPMC da zazzabi za a iya tattauna daga fannoni biyu: ɗayan shine sakamakon zazzabi a kan ƙwayoyin hpmc, kuma ɗayan shine sakamakon zazzabi a kan tsarin ƙwayoyin cuta.
2.1 tasirin zafin jiki a kan solubility na hpmc
Solubility na HPMC a cikin ruwa yana da alaƙa da zazzabi. Gabaɗaya, ƙwayar HPMC ta karu da ƙara yawan zafin jiki. Lokacin da zazzabi ya tashi, kwayoyin ruwa suna samun ƙarin makamashi, wanda ya haifar da raunana ma'amala tsakanin kwayoyin ruwa, don haka inganta rushewar HpmC. Don HPMC, karuwa a cikin zafin jiki na iya sauƙa sauƙi don samar da mafita mai narkewa, don haka inganta riƙewar ta a ruwa.
Koyaya, m high zazzabi na iya ƙara danko na maganin hpmc, wanda ya shafi kaddarorin da yake da damuwa da watsawa. Kodayake wannan tasirin gaskiya ne ga haɓaka ƙimar ƙila, yawan zafin jiki na iya canza kwanciyar hankali na tsarin ƙwayoyin jikinsa kuma yana haifar da raguwa cikin riƙewar ruwa.
2.2 Tasirin zazzabi a kan tsarin kwayar cutar HPMC
A cikin tsarin kwayoyin na HPMC, an samar da shaidu na hydrogen tare da kwayoyin ruwa ta hanyar hydroxyl ƙungiyoyi yana da mahimmanci ga riƙƙen ruwa na HPMC. Kamar yadda zafin jiki yana ƙaruwa, ƙarfin hydrogen Bond na iya canzawa, yana haifar da rauni na ƙarfin hali da kwayoyin ruwa, ta hanyar kwayar tasa ta ruwanta. Musamman, karuwa a cikin zafin jiki zai haifar da haɗin hydrogen a cikin kwayar cutar HPMC don rushewa, ta rage shan ruwa da karfin da kake karbar ruwa.
Bugu da kari, jin zafin jiki na HPMC shima ya nuna a cikin yanayin yanayi na maganinta. HPMC tare da sikelin kwayoyin halitta daban-daban da kuma kungiyoyi daban-daban suna da sirrin da ke da zafi. Gabaɗaya magana, ƙananan ƙwayar ƙwayar cuta ta HPMC ta fi ƙarfin zafin jiki, yayin da manyan ƙwayoyin kwayoyin suka nuna mafi kyawun aikin. Sabili da haka, a aikace-aikace na ayyuka, ya zama dole a zaɓi nau'in HPMC da ya dace gwargwadon tsarin zafin jiki don tabbatar da rijiyar ruwa a cikin zafin jiki.
2.3 tasirin zafin jiki akan shayar ruwa
A cikin yanayin zazzabi, ruwan rijiyar riƙewa na HPMC za a shafa ta da ruwan hushin ruwa wanda ya haifar da karuwar zazzabi. Lokacin da zazzabi na waje ya yi yawa, ruwa a cikin tsarin HPMC ya fi dacewa ya ƙafe. Kodayake HPMC na iya riƙe ruwa zuwa wani gwargwadon tsarin aikin kwayar halitta, zazzabi mai yawa na wuce gona da iri na rasa ruwa da sauri fiye da ƙarfin riƙewar riƙewar ruwa na HPMC. A wannan yanayin, an riƙe ruwa na hpmc na hpmc da aka hana, musamman a cikin babban zazzabi da kuma bushe bushe.
Don rage wannan matsalar, wasu nazarin sun nuna cewa ƙara wasu abubuwan humum din ko daidaitawa a cikin dabara na iya inganta sakamakon riƙe riƙewar ruwa na HPMC a cikin yanayin zafi. Misali, ta hanyar daidaita m faifaier a cikin tsari ko zaɓar mai ƙarancin ƙarfi, ana iya inganta ribar hpmc zuwa wani, yana rage tasirin zafin jiki a kan ruwa ruwa.
3. Abunda abubuwa masu tasiri
Tasirin yawan zafin jiki a kan ribar ruwa ta HPMC ya dogara ba kawai akan yanayin yanayi da kanta ba, amma a kan nauyin kwayar halitta, daidaitaccen bayani da hpmc. Misali:
Nauyi na kwayoyin:HpmC Tare da mafi girman nauyin kwayar cuta mafi yawa yana da riƙewar ruwa mai ƙarfi, saboda tsarin hanyar sadarwa da manyan sarƙoƙi yana iya ɗaukar nauyi da riƙe ruwa sosai.
Digiri na maye: Matsalar metroxypypylation da hpmc zai shafi hularsa da kwayoyin ruwa, ta hanyar hakan ya rage riƙewar ruwa. Gabaɗaya magana, mafi girman yanayin canji na hpmc na iya haɓaka hydrophility na HPMC, ta haka inganta riƙewar ta ruwa.
Magani na bayani: maida hankali kan HPMC shima yana shafar riƙewar ruwa. Mafi girman maida hankali na HPMC mafita yawanci suna da mafi kyawun tasirin riƙe ruwa, saboda babban maida hankali ne na HPMC na iya riƙe ruwa ta hanyar hulɗar ruwa mai ƙarfi.
Akwai ingantacciyar dangantaka tsakanin rayar da ruwaHpmCda zazzabi. Yawan zazzabi yawanci yana inganta ƙwarewar HPMC kuma yana iya haifar da haɓakar tsabtatawa na ruwa, amma maɗaukaki zafin jiki zai lalata ɗaure cikin ruwa, kuma ta haka zai shafi sakamako na riƙewar ruwa. Don samun mafi kyawun aikin riƙe ruwa a ƙarƙashin yanayin zazzabi, ya zama dole don zaɓar nau'in HPMC da ya dace gwargwadon takamaiman buƙatun aikace-aikacen da kuma daidaita yanayin amfanin amfani. Bugu da kari, sauran abubuwan haɗin a cikin dabarun sarrafawa da kuma dabarun sarrafa zazzabi kuma na iya inganta hanjin ruwa na HPMC a cikin yanayin yanayin zafi zuwa wani lokaci.
Lokaci: Nuwamba-11-2024