Hydroxypropyl methylcellulose (HPMC) bụ polymer vasatail ewepụtara site na cellulose, polysaccharide na-emekarị nke a na-ahụ na mgbidi cell nke osisi. A na-ejikarị ya na ụlọ ọrụ dị iche iche dị ka ọgwụ, nri, ihe ịchọ mma, ihe owuwu, na ihe ndị ọzọ n'ihi ihe ndị pụrụ iche ya.
A na-emepụta HPMC site na cellulose na-emezi kemịkal site na mmeghachi omume etherification. Kpọmkwem, a na-emepụta ya site n'ịgwọ cellulose na ngwakọta propylene oxide na methyl chloride iji webata hydroxypropyl na methyl otu n'ime ọkpụkpụ azụ cellulose. Usoro a na-ebute polymer na-agbaze mmiri nwere ihe ndị dị mma ma e jiri ya tụnyere cellulose nke ala.
Usoro mmepụta:
Mmepụta nke HPMC gụnyere ọtụtụ usoro:
Cellulose Sourcing: Cellulose, nke na-esite na pulp osisi ma ọ bụ owu, na-eje ozi dị ka ihe mmalite.
Etherification: Cellulose na-enweta etherification, ebe ọ na-emeghachi omume na propylene oxide na methyl chloride n'okpuru ọnọdụ a na-achịkwa iji webata hydroxypropyl na methyl otu.
Nchacha: Ngwaahịa a na-enweta na-enweta usoro nchacha iji wepụ adịghị ọcha na ngwaahịa ndị achọghị.
ihicha na igwe igwe: A na-akpọchaa HPMC ahụ emechara ka ọ bụrụ ntụ ntụ ma ọ bụ granules dị mma, dabere na ngwa achọrọ.
HPMC na-egosipụta ọtụtụ akụrụngwa, na-eme ka ọ dabara maka ngwa dị iche iche:
Mmiri Solubility: HPMC bụ soluble na mmiri oyi, na-akpụ ngwọta doro anya, viscous. Enwere ike idozi solubility ahụ site n'ịgbanwe ogo nnọchi anya (DS) nke otu hydroxypropyl na methyl.
Ịmepụta ihe nkiri: Ọ nwere ike ịmepụta ihe nkiri na-agbanwe agbanwe ma na-ejikọta ọnụ mgbe a mịrị amị, na-eme ka ọ dị mma maka mkpuchi mkpuchi na ụlọ ọrụ ọgwụ na ụlọ ọrụ nri.
Ọkpụkpụ: HPMC bụ onye na-emepụta ihe na-arụ ọrụ nke ọma, na-enye njikwa viscosity n'ụdị dị iche iche dị ka lotions, ude, na agba.
Nkwụsi ike: Ọ na-egosipụta nkwụsi ike kemịkalụ dị mma na iguzogide mmebi microbial.
Ndakọrịta: HPMC dakọtara na ọtụtụ ihe ndị ọzọ, gụnyere surfactants, salts na preservatives.
HPMC na-achọta ọtụtụ ngwa n'ofe ụlọ ọrụ dị iche iche:
Ọgwụ: A na-ejikarị ya eme ihe dị ka ihe nchikota, ihe mkpuchi ihe nkiri, ihe ngbanwe viscosity, na matrix ntọhapụ-akwadoro n'ụdị mbadamba.
Ụlọ ọrụ nri: HPMC na-eje ozi dị ka onye na-agbapụta, stabilizer, na emulsifier na ngwaahịa nri dị ka sauces, uwe, na desserts.
Mwube: N'ime ụlọ ọrụ ihe owuwu, a na-eji HPMC eme ihe dị ka ihe na-agbapụta na ngwaahịa ndị sitere na ciment, na-eme ka arụ ọrụ na-arụ ọrụ na mmachi.
Ngwaahịa Nlekọta Onwe Onye: A na-ahụ ya na ihe ịchọ mma, ncha ntutu, na ntacha eze dị ka ihe na-eme ka ọ sie ike, emulsifier, na ihe nkiri mbụ.
Agba na mkpuchi: HPMC na-eme ka rheological Njirimara nke agba na mkpuchi, na-eme ka ngwa na arụmọrụ ha dịkwuo mma.
HPMC, ewepụtara na cellulose site etherification mmeghachi omume, bụ vasatail polima nwere iche iche ngwa gafee dị iche iche ọrụ. Ngwongwo ya pụrụ iche, dị ka mmiri solubility, ikike imepụta ihe nkiri, na ihe na-eme ka ọ dị arọ, na-eme ka ọ dị mkpa na ọgwụ, nri, ihe owuwu, na ngwaahịa nlekọta onwe onye.
Oge nzipu: Eprel-17-2024