Riƙewa na ruwa muhimmin mulki ne ga masana'antu da yawa waɗanda ke amfani da abubuwa na hydrophilic kamar su cellulose. HydroxyphroxropylmethypLulose (hpmc) yana ɗaya daga cikin selulose masu cike da kayan rafar ruwa. HPMC shine polymer na semi-roba wanda aka samo daga Cellose kuma ana amfani da shi a aikace-aikacen aikace-aikace iri-iri a cikin ginin, masana'antu masana'antu.
HPMC ana amfani dashi azaman tsawa, mai tsafta da emulsifier a cikin kayayyakin abinci iri iri kamar ice cream, daidaitawa da miya don haɓaka rayuwa. Hakanan ana amfani da HPMC a cikin samar da magunguna a cikin masana'antar harhada magunguna a matsayin mai ban sha'awa, disnitagrant da fim din mai ɗora hoto. Hakanan ana amfani dashi azaman wakili-mai riƙe da ruwa a cikin kayan gini, galibi a cikin ciminti da turmi.
Redringwar ruwa mai mahimmanci ne a cikin gini saboda yana taimakawa ci gaba da ciminti mai gauraye da turmi daga bushewa fita. Bushewa na iya haifar da shamaki da fatattaka, wanda ya haifar da rauni da kuma abubuwan da ba za a iya amfani da su ba. HPMC tana taimakawa wajen kula da abun cikin ruwa a cikin ciminti da turmi ta hanyar sannu a hankali sannu a lokaci, yana barin kayan gini don warkewa da kuma taurara.
Itocin riƙewar ruwa na HPMC ya dogara ne akan hydrophilicity. Saboda kasancewar kungiyoyin Hydroxyl (-OH) a cikin tsarin kwayoyin ta, HPMC yana da babban kusanci ga ruwa. Groupsungiyoyin Hydroxyl suna ma'amala da kwayoyin ruwa don ƙirƙirar haɗin hydrogen, wanda ya haifar da ɓarnar harsashi na ruwa a kusa da sarƙoƙin polymer a kusa da sarƙoƙin polymer a kusa da sarƙoƙin polymer a kusa da sarƙoƙin polymer a kusa da sarƙoƙin polymer a kusa da sarƙoƙin polymer. Shellan ruwa mai hydrated yana ba da damar sarƙoƙin polymer don faɗaɗa, ƙara yawan HPMC.
Kumburi na HPMC tsari ne mai tsauri wanda ya dogara ne akan abubuwa daban-daban na canzawa (DS), girman barbashi da pH. Matsayin canji yana nufin adadin hydroxyl ƙungiyoyi a kowace yanki na Anhydroguse na cikin sel. A mafi girma darajar DS, mafi girma hydrophilicity da mafi kyawun aikin ribar ruwa. Girman hpmc shima yana shafar riƙewar ruwa, kamar yadda ƙananan ƙananan barbashi suna da yanki mafi girma a kowane sashi taro, wanda ya haifar da mafi girman ruwa sha. Zazzabi na PH yana shafar digiri na kumburi da riƙe ruwa, da mafi girma zazzabi da ƙimar pH ta haɓaka kumburi da kayan ƙirar ruwa na HPMC.
Hanyar riƙewar ɗakunan ruwa na HPMC ta ƙunshi tafiyar matakai biyu: sha da sha biyu. A lokacin sha, hpmc ya sha kwayoyin ruwa daga cikin yanayin da ke kewaye, suna samar da harsashi hydring a kusa da sarƙoƙin polymer. Harshen ruwa na hydrem yana hana sarƙoƙi na polymer daga rushewa kuma yana kiyaye su rabuwa, yana haifar da kumburi da HPMC. Kwayoyin kwayoyin halittar ruwa suna samar da shaidu na hydroxyl tare da kungiyoyin hydroxyl a HPMC, haɓaka aikin riƙewar ruwa.
A yayin wildom, HPMC a hankali ya saki kwayoyin ruwa, yana ba da izinin gina kayan don warkad da yadda yakamata. Sakin sakin kwayoyin halittar ruwa yana tabbatar da cewa ciminti da turmi ya ci gaba da hydrated, sakamakon haifar da tsoratar da tsari mai dorewa. Sakin sakin kwayoyin ruwa har ila yau yana samar da ciminti na yau da kullun zuwa ciminti da turmi, haɓaka tsari da kuma ƙara ƙarfi da kwanciyar hankali na samfurin ƙarshe.
A taƙaitaccen, riƙewar ruwa mai mahimmanci ne ga masana'antu da yawa waɗanda ke amfani da abubuwa na hydrophilic kamar su cellulose Ehers. HPMC yana ɗaya daga cikin selulose na ELEVers tare da manyan kayan rafar ruwa kuma ana yin amfani da shi wajen gini sosai wajen gini, masana'antu da masana'antar abinci. Abubuwan da ke riƙe da ruwa na HPMC sun dogara ne da hydrophility, wanda ke ba shi kwayoyin halittar ruwa daga kewaye da ke kewaye da ruwa a kusa da sarƙoƙin polymer. Shellow na hydrated yana haifar da HPMC don kumbura, da kuma jinkirin sakin kwayoyin ruwa yana tabbatar da cewa kayan gini ya ci gaba sosai da tsari mai dorewa.
Lokaci: Aug-24-2023