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Hydroxypropyl Methyl Cellulose (HPMC)
Hydroxypropyl methyl cellulose, mee ka propyl methyl cellulose dị mfe (HPMC hydroxypropylmethylcellulose, abbreviation), ọ ga-abụ nke ọtụtụ ether na-abụghị ionic cellulose ether agwakọta.Ọ bụ polymer synthetic nke na-adịghị arụ ọrụ, viscoelastic nke a na-ejikarị na ophthalmology dị ka mmanu mmanu, ma ọ bụ dị ka ihe na-emepụta ma ọ bụ ihe na-emepụta ọgwụ ọnụ, nke a na-ahụkarị n'ụdị dị iche iche nke ngwa ahịa.Enwere ike iji hydroxypropyl cellulose mee ihe dị ka mgbakwunye nri, emulsifier, thickener, onye nkwusioru na ihe nnọchi gelatin anụmanụ.
NGWA Nkọwapụta Ọdịdị Ọcha ntụ ntụ Okpomọkụ ire ere 200min Okpomọkụ mgbanwe agba 190-200 ℃ Viscosity 400 Uru PH 5-8 Njupụta 1.39g / cm3 Okpomọkụ carbonization 280-300 ℃ Ụdị Nri nri Ọdịnaya 99% Esemokwu dị n'elu 42-56dyne/cm maka 2% ngwọta mmiri -
Hydroxypropyl Methylcellulose HPMC/HEC/MHPC
Hydroxypropyl methylcellulose, nke a makwaara dị ka hypromellose, bụ otu n'ime ethers nke na-abụghị ionic cellulose. Ọ bụ ọkara synthetic, adịghị arụ ọrụ, polymer viscoelastic, nke a na-ejikarị eme ihe dị ka mmanụ mmanu na ophthalmology, ma ọ bụ dị ka onye na-enye ume ma ọ bụ onye na-emepụta ọgwụ ọnụ.
Ọ na-agbaze na mmiri na ụfọdụ ihe mgbaze, dị ka ethanol / mmiri, propanol / mmiri n'ụzọ kwesịrị ekwesị.Ihe ngwọta mmiri nwere ọrụ elu.Nnukwu nghọta na arụmọrụ kwụsiri ike.Nkọwa dị iche iche nke ngwaahịa nwere dị iche iche gel okpomọkụ na solubility mgbanwe na viscosity.Na ala viscosity, ka ukwuu solubility.Nkọwapụta dị iche iche nke HPMC nwere arụmọrụ dị iche iche.Mgbasa nke HPMC na mmiri adịghị emetụta pH.
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Hydroxypropyl Methyl Cellulose HPMC F60S Maka Simenti Dabere Taịlị Nrapado Mortar cps 400-200,000
Hydroxypropyl methylcellulose (HPMC) enweghị isi, enweghị ụtọ, cellulose ethers na-adịghị egbu egbu nke nwere otu hyrdroxyl na agbụ cellulose dochie anya methoxy ma ọ bụ hydroxypropyl otu nwere ezigbo mmiri solubility.HPMC F60S bụ ọkwa viscosity dị elu nke a na-eji dị ka thickener, ihe nkedo, na ihe nkiri bụbu na agrochemicals, mkpuchi, ceramik, adhesives, ink, na ngwa ndị ọzọ dị iche iche.
