Hydroxypropyl methylcellulose (HPMC a takaice) muhimmin abu ne mai hadewar ether, wanda ba shi da ionic, kuma ana amfani da shi sosai a abinci, magani, masana'antar sinadarai ta yau da kullun, shafi, amsawar polymerization da gini azaman dakatarwar watsawa, kauri, emulsifying, stabilize da mannewa, da sauransu, kuma akwai babban gibi a kasuwar cikin gida.
Ana amfani da Hydroxypropyl methylcellulose sosai a masana'antar gine-gine a matsayin wakili mai samar da fim, mai ɗaurewa, mai wargazawa, mai daidaita sinadari, mai kauri, mai haɓaka ruwa, da sauransu, kuma ya zama tauraro mai kayatarwa wanda ya jawo hankali tun lokacin da aka ƙaddamar da shi a kan layi.
Hydroxypropylmethylcellulose
Cikakken suna na Turanci: Hydroxypropyl Methyl Cellulose Takaitaccen bayani na Turanci: HPMC
Saboda HPMC yana da kyawawan halaye kamar kauri, emulsification, samar da fim, kariya daga colloid, riƙe danshi, mannewa, juriya ga enzyme da rashin aiki na rayuwa, ana amfani da shi sosai a cikin shafa, halayen polymerization, kayan gini, samar da mai, yadi, abinci, magani, tukwane na yau da kullun, na'urorin lantarki da iri na noma da sauran sassan.
kayan gini
A cikin kayan gini, yawanci ana ƙara HPMC ko MC a cikin siminti, turmi, da turmi don inganta gine-gine da riƙe ruwa.
Ana iya amfani da shi kamar haka:
1) Manne da kuma abin rufe fuska don tef ɗin manne da aka yi da gypsum;
2). Haɗa tubalan da aka yi da siminti, tayal da tushe;
3) Stucco mai tushen plasterboard;
4). Filastar gini da aka yi da siminti;
5). A cikin dabarar fenti da cire fenti.
Manna don tayal ɗin yumbu
HPMC 15.3 sassa
Perlite 19.1 sassa
Fatty amides da cyclic thio mahadi sassa 2.0
Laka 95.4 sassa
Kayan ƙanshi na silica (22μ) sassa 420
Sassan ruwa 450.4
Ana amfani da shi a cikin siminti da aka haɗa da tubali, tayal, duwatsu ko siminti marasa tsari:
HPMC (digiri na watsawa 1.3) sassa 0.3
Simintin Cattelan sassa 100
Yashi mai siffar siliki sassa 50
Sassan ruwa 50
Ana amfani da shi azaman ƙarin kayan gini mai ƙarfi na siminti:
Simintin Cattelan sassa 100
Asbestos sassa 5
Gyaran barasa na polyvinyl kashi 1
Calcium silicate sassa 15
Laka 0.5 sassa
Sassan ruwa 32
HPMC 0.8 sassa
Masana'antar fenti
A masana'antar fenti, HPMC galibi ana amfani da shi a cikin fenti na latex da kuma fenti mai narkewa cikin ruwa a matsayin wakili mai samar da fim, mai kauri, mai narkewa da kuma mai daidaita shi.
Tsarin Polymerization na PVC
Fannin da ya fi yawan amfani da kayayyakin HPMC a ƙasata shine dakatar da polymerization na vinyl chloride. A cikin dakatar da polymerization na vinyl chloride, tsarin watsawa yana shafar ingancin samfurin PVC resin da sarrafawa da samfuransa kai tsaye; yana iya inganta kwanciyar hankali na zafi na resin da kuma sarrafa rarraba girman barbashi (wato, daidaita yawan PVC). Adadin HPMC ya kai kashi 0.025% ~ 0.03% na fitarwar PVC.
Resin PVC da HPMC mai inganci ya shirya, baya ga tabbatar da cewa aikin ya cika ƙa'idodin ƙasa, yana da kyawawan halaye na zahiri, kyawawan halaye na barbashi da kuma kyakkyawan yanayin narkewar rheological.
wasu masana'antu
Sauran masana'antu sun haɗa da kayan kwalliya, samar da mai, sabulun wanke-wanke, yumbu na gida da sauran masana'antu.
ruwa mai narkewa
HPMC yana ɗaya daga cikin polymers masu narkewar ruwa, kuma narkewar ruwansa yana da alaƙa da abun da ke cikin rukunin methoxyl. Lokacin da abun da ke cikin rukunin methoxyl ya yi ƙasa, ana iya narkar da shi a cikin alkali mai ƙarfi kuma ba shi da wurin gelation na thermodynamic. Tare da ƙaruwar abun da ke cikin methoxyl, yana da sauƙin kamuwa da kumburin ruwa kuma yana narkewa a cikin alkali mai narkewa da alkali mai rauni. Lokacin da abun da ke cikin methoxyl ya fi 38C, ana iya narkar da shi a cikin ruwa, kuma ana iya narkar da shi a cikin hydrocarbons masu halogenated. Idan aka ƙara acid na lokaci-lokaci zuwa HPMC, HPMC zai watse cikin ruwa da sauri ba tare da samar da abubuwan caking marasa narkewa ba. Wannan galibi saboda gaskiyar cewa acid na lokaci-lokaci yana da ƙungiyoyin dihydroxyl a cikin matsayin ortho akan glycogen da aka watsar.
Lokacin Saƙo: Mayu-30-2023