Hydroxypyl Methylcelllose (HPMC) bụ ihe na-ahụkarị polymetics na-ahụkarị na mkpụrụ osisi cellulose. Ọ bụ mmiri na-abụghị nke ionic - soluble nke na-eme site na imegharị ahụ sitere na sellulose eke. Usoro nkwadebe nke HPMC na-agụnye usoro ndị a: Usoro ọgwụgwọ Alkali nke Alkali nke Alkali chloride dị n'okpuru ọnọdụ alkaline na methyppyl na methyl na-etolite HPMC.
Ọdịmma na Njirimara nke HPMC
Ngalaba nhazi nke Hpmc bụ β-d-pyranose glucose, nke bụkwa ihe owuwu ntọala nke cellulose. Na HPMC, ụfọdụ otu hydroxy dị iche iche (-OH) na Methoxy Otu (-ch₃) na hydroxypropoxy otu (-Ochchohchg di iche iche (nke a bụ ihe owuwu ya dị iche na nke cellulose. Nchikota a na-eme ka ndọtị nke HPMC na mmiri na ụfọdụ ihe mgbazinye ụfọdụ, ma nwee ezigbo nkwụsi ike na hygroscopity dị ala.
Mgbe a gbajiri HPMC a na mmiri, ọ nwere ike iji ngwọta calloidal kwụsie ike. A na-ekwu okwu na ụdị ya na ụdị na ogo nke dochie dochie anya. N'ikwu na-ekwu, HPMC nwere ọdịnaya dị elu nke igwe methyl nwere ihe dị mma na mmiri oyi, ebe HPMC nwere ọdịnaya dị elu nke hydropyyl nwere mmiri dị mma na mmiri ọkụ. Na mgbakwunye, ngwọta HPMC nwere ntụgharịgharị na-agbanwe agbanwe, ya bụ, ha na-agbaze ma gbazee ọzọ mgbe oyi.
Ubi nke HPMC
N'ihi ihe eji eme ihe kemịkal ya pụrụ iche, ejiri rụọ ọrụ HPMC n'ọtụtụ ebe.
A na-eji ihe eji eme ihe: na-eji ihe eji eme ihe, a na-ejikarị HPMC mee ihe dị ka onye na-eche nche ma nweekwa mmiri iji mezi ihe owuwu nke ciment na ogo nke ngwaahịa ikpeazụ. Ọ nwekwara ike imekwa ka ndọnye aka dị mma, ịgbada na-eguzogide na ịdị ogologo nke ngwa agha.
Ọgwụ: Ngwa nke HPMC na ọgwụ ọgwụ na-agụnye ihe mkpuchi mkpuchi na-achịkwa, caphele shells na ndị dị iche iche maka mbadamba. N'ihi na HPMC bụ ihe na-egbu egbu, na-enweghị mgbakasị ma nwee ezigbo bayoompatalitibility, a na-eji ya ebe niile na-edobe ma na-akwadebe ma na-achịkwa mbadamba.
Nri: Na ụlọ ọrụ nri, a na-eji HPMC mee ihe dị ka nke na-eme ihe dị iche iche, dị ka ice cream, byg, wdg.
Ihe ịchọ mma: N'ime ubi ịchọ mma, a na-ejikarị HPMC na-ejikarị ihe dị ka emulsions, ude na gels. Ọ bụghị naanị na-enye ezigbo ederede, mana na-etolitekwa ihe nkiri mmiri na akpụkpọ ahụ, si otú ahụ na-egwu mmiri moisturizizizi na nkwalite.
Colonings: A na-eji HPMC mee ihe dị ka nke ukwu, na-agbasasị na emulsifier na mkpuchi, nke nwere ike imezi arụmọrụ nke mkpuchi nke mkpuchi ma melite ọkwa mkpuchi na gloss nke coloss.
Uru na oke nke HPMC
HPMC nwere ọtụtụ uru, dị ka ezigbo mmiri solbality, mmiri nkwụsi ike, ndị na-anaghị egbu egbu, na-adịghị mma na bayoompatatizu. Njirimara ndị a emeela ka ọ rụọ ọrụ n'ọtụtụ ebe. Agbanyeghị, HPMC nwekwara ụfọdụ adịghị mma. Dịka ọmụmaatụ, n'okpuru gburugburu ọnọdụ okpomọkụ, viscosity HPMC ga-atụfu nke ukwuu, nke nwere ike ịghọ nsogbu na ụfọdụ ngwa. Na mgbakwunye, HPMC siri ike nkwụsi ike na ụdị nnupụ nnu, nke na-egbochi ngwa ya na ọnọdụ pụrụ iche.
HPMC bụ ezigbo polymer dị ezigbo mkpa ọrụ. Site na akụrụngwa nke anụ ahụ na kemịkalụ na arụmọrụ dị mma, a na-ejikarị ya rụọ ebe a na-ewu ya, ọgwụ, ihe nri, ihe ịchọ mma na cometings. Ọ bụ ezie na ọ nwere ike ụfọdụ, ngwa ọrụ nke HPMC ka na-agbasa site na nyocha na oganihu. Site na mmepe nke sayensị na teknụzụ, a na-atụ anya na HPMC na-arụ ọrụ dị mkpa n'ọtụtụ ubi na-apụtawanye.
Oge post: Feb-17-2025