1. Gịnị bụ isi nzube nke HPMC?
A na-eji ngwaahịa a eme ihe dị ka onye na-ebu ibu, onye na-ekesa, ihe nkedo, ihe na-emepụta ihe, mkpuchi mmanụ na-eguzogide, ihe nkpuchi, emulsifier na stabilizer na ụlọ ọrụ akwa.A na-ejikwa ya na resin sịntetik, petrochemical, seramiiki, akwụkwọ, akpụkpọ anụ, ọgwụ, nri na ụlọ ọrụ ịchọ mma.
2. Gịnị bụ ọrụ nke HPMC na ime mgbidi putty ntụ ntụ?
HPMC nwere ọrụ atọ: putty ntụ ntụ maka mgbidi dị n'ime, ịgbara mmiri, mkpuchi mmiri na ihe owuwu.Ntụkwasị obi: Methyl cellulose nwere ike itinye uche site na mmiri na-ese n'elu mmiri ma ọ bụ mmiri mmiri iji nọgide na-arụ ọrụ otu na nke na-agbanwe agbanwe ma gbochie ịgbapụ na nghọta.Mkpọchi mmiri: Mgbidi mgbidi dị n'ime na-akpọnwụ nwayọọ nwayọọ, na calcium lime agbakwunyere na-egosipụta n'iji mmiri eme ihe.Ihe owuwu injinia: Methyl cellulose nwere ọrụ wetting, nke nwere ike ime ka mgbidi putty ntụ ntụ nwee ezigbo usoro injinia.HPMC anaghị eso na mgbanwe kemịkalụ niile, kama ọ na-ekerekwa òkè na mmeju.N'ime mgbidi putty ntụ ntụ, na mgbidi ahụ, bụ mgbanwe kemịkalụ, n'ihi na enwere mgbanwe kemịkalụ ọhụrụ, a na-ewepụ ntụ ntụ dị n'ime mgbidi ahụ, a na-egweri, ma jiri ya mee ihe , N'ihi na e mepụtala ihe ọhụrụ kemịkal (calcium bicarbonate) .Isi ihe dị na ntụ ntụ ntụ ntụ ntụ bụ: ngwakọta nke Ca (OH) 2, CaO na obere CaCO3, CaO + H2O = Ca (OH) 2 —Ca (OH) 2 + CO2 = CaCO3↓+ H2O calcium isi awọ. na mmiri na ikuku N'okpuru omume nke CO2, calcium carbonate na-guzobere, mgbe HPMC naanị na-ejigide mmiri na-enyere aka mma mmeghachi omume nke isi awọ calcium, na ọ dịghị ekere òkè ọ bụla mmeghachi omume n'onwe ya.
3. Olee otú ikpe àgwà nke HPMC mfe na kensinammuo?
(1) Ọcha: Ọ bụ ezie na ọcha enweghị ike ikpebi ma HPMC dị mfe iji, ma ọ bụrụ na agbakwunyere ihe na-egbuke egbuke na usoro mmepụta, ọ ga-emetụta àgwà ya.Otú ọ dị, ngwaahịa ndị dị mma nwere ezigbo ọcha.(2) Ịdị mma: Ịdị mma nke HPMC na-abụkarị ntupu 80 na ntupu 100, ntupu 120 dị obere, na ọtụtụ HPMC emepụtara na Hebei bụ ntupu 80.Nke kachasị mma, nke ka mma n'ozuzu ya.(3) Mbufe: Tinye hydroxypropyl methylcellulose (HPMC) n'ime mmiri ka ọ bụrụ colloid transperent, wee lelee nnyefe ya.Ka ukwuu na-ebufe, nke ka mma, na-egosi na e nwere obere insoluble n'ime..The permeability nke vetikal reactor na-adịkarị mma, na kehoraizin reactor dị njọ, ma ọ pụtaghị na àgwà nke vetikal reactor dị mma karịa nke kwụ ọtọ reactor.A ka na-ekpebi ogo ngwaahịa site na ọtụtụ ihe.(4) Ọnụ ọgụgụ: Ka ọnụ ọgụgụ ahụ buru ibu, otú ahụ ka ọ dị arọ ka ọ ka mma.Nkọwa dị elu na-abụkarị n'ihi nnukwu ọdịnaya hydroxypropyl dị na ya, na elu ọdịnaya hydroxypropyl, ka mma na-ejigide mmiri.
4. Gịnị ka a ga-aṅa ntị mgbe itinye viscosity na okpomọkụ nke HPMC?
Viscosity nke HPMC na-adaba na ọnọdụ okpomọkụ, ya bụ, viscosity na-abawanye ka okpomọkụ na-ebelata.Anyị na-ekwukarị na viscosity nke ngwaahịa na-ezo aka na nsonaazụ nke ịnwale 2% mmiri mmiri na okpomọkụ nke 20 degrees Celsius.N'ime ngwa ndị bara uru, na mpaghara nwere nnukwu ọdịiche dị n'etiti okpomọkụ na oyi, ekwesịrị iburu n'uche na a na-atụ aro ka ị jiri obere viscosity dị ntakịrị n'oge oyi, nke na-eme ka owuwu.Ma ọ bụghị ya, mgbe okpomọkụ dị ala, viscosity nke cellulose ga-abawanye, aka ga-adịkwa arọ mgbe a kpochapụrụ ya.
5. Gịnị bụ mgbasa ụzọ nke HPMC?
Usoro mgbasa mmiri ọkụ: Ebe ọ bụ na HPMC adịghị agbaze na mmiri ọkụ, HPMC nwere ike ịgbasa n'otu n'otu na mmiri ọkụ na mbido mbụ, wee gbazee ngwa ngwa mgbe ọ dị jụụ.A na-akọwa ụzọ abụọ ahụkarị dịka ndị a: 1).Ọnụ ego mmiri ọkụ ma kpoo ihe dịka 70 Celsius.Jiri nwayọọ nwayọọ tinye hydroxypropyl methylcellulose, malite HPMC na-ese n'elu mmiri, wee jiri nwayọọ nwayọọ mepụta slurry, ma mee ka slurry na-akpali akpali.2).Tinye 1/3 ma ọ bụ 2/3 nke mmiri achọrọ n'ime akpa wee kpoo ya ruo 70 Celsius.Dị ka usoro nke 1), gbasasịa HPMC iji kwadebe mmiri ọkụ slurry;wee tinye ihe fọdụrụ nke mmiri oyi na mmiri ọkụ Na slurry, dị jụụ ngwakọta mgbe edemede.Usoro ngwakọta ntụ ntụ: gwakọta ntụ ntụ HPMC na nnukwu ihe ndị ọzọ na-eme ntụ ntụ, gwakọta nke ọma na blender, wee gbakwunye mmiri ka ọ gbazee, mgbe ahụ HPMC nwere ike igbari n'oge a na-enweghị clumping na agglomerating, n'ihi na ọ bụla obere akụkụ, e nwere naanị. ntakịrị HPMC ntụ ntụ ga-agbaze ozugbo ọ zutere mmiri.-Putty ntụ ntụ na ndị na-emepụta ngwa agha na-eji usoro a.A na-eji hydroxypropyl methyl cellulose (HPMC) mee ihe dị ka onye na-eme ihe na-ekpo ọkụ na mmiri na-eme ka mmiri na-ekpo ọkụ na-esi ísì ụtọ.]
6. Gịnị bụusoro onunu ogwunke HPMC agbakwunyere na putty ntụ ntụ?
Ọnụ ego HPMC ejiri mee ngwa n'ezie dịgasị iche dabere na ihu igwe, okpomọkụ, àgwà calcium ash mpaghara, usoro nke putty ntụ ntụ, na "àgwà ndị ahịa chọrọ".N'ikwu okwu n'ozuzu, ọ dị n'etiti 4 kg na 5 kg.Dịka ọmụmaatụ, ntụ ntụ putty na ihe ịchọ mma'>Beijing na-abụkarị kilogram 5;Uzuzu putty na Guizhou na-abụkarị kilogram 5 n'oge ọkọchị na kilogram 4.5 n'oge oyi;Ọnụ ego mgbakwunye Yunnan dị ntakịrị, n'ozuzu 3 n'arọ-4 n'arọ na ihe ndị ọzọ.
Oge nzipu: Nov-13-2021