Polypypypyl methymerl) bụ polymel nke na-achọta ngwa ndị dị ukwuu na ụlọ ọrụ dị iche iche, gụnyere ọgwụ, nri, owuwu, na ihe ịchọ mma.
1. Okwu Mmalite na HPMC:
Hydroxypyl Methylcellose (HPMC) bụ seni-synert, internet, viomimer polmer sitere na cellose. Emepụtara ya site na mgbanwe kemịkalụ nke cellose, nke na-agụnye ogo alkali cellulose na proplene oxide na methyl chloride na methyl chloride. Ngwaahịa na-arụpụta bụ ọcha na-acha ọcha, enweghị isi, na ntụ ntụ na-atọ ụtọ na-agbanye mmiri ma na-agbanye na sonvacs sochiri.
2. Ọdịdị na Njirimara:
Ihe owuwu HPMC mejuputara ballone nke cellose, polymer eke nke akuku glucose jikọtara ya na β (1 →) Glycosidic Agbụ. Na HPMC, ụfọdụ n'ime otu hydroxy na nkeji glucose na-ejikọtara ya na otu 2-hydroxyyl na Methyl. Nke a na-edobere osisi polymer ma e jiri ya tụnyere ladinose, na-enye aka ike, viscosity, na nke ịkpụ ihe nkiri.
Njirimara nke HPMC dịgasị iche dabere na ihe ndị dị ka ogo nke dochie anya (DS), oke molecular, na nkesa. N'ozuzu, ihe ngosi HPMC:
Ezigbo ihe nkiri na-akpụ akpụ
Omume Ọchịchị
Ikike nnabata mmiri dị elu
Kwụsie ike na mbara igwe
Ndakọrịta na polymers ndị ọzọ na mgbakwunye
Ọdịdị na-abụghị Ionic, na-eme ka ọ daba na ihe dị iche iche
3. Synshesis nke HPMC:
Nchịkọta nke HPMC bụ ọtụtụ usoro:
Nkwadebe nke alkali Cellulose: A na-emeso alkaline ngwọta iji mepụta alkali cellulose.
Etherification: alkali celluluse na-emegharị ya na propylene oxide na methyl chloride iji webata ndị otu na methyl na Methyl na Bellone Backbone.
Isacha na ikpo ocha: Ngwa a na-asachachaala, ma dibelized, ma dikwa ọcha wepu adịghị ọcha.
Akpukpo: A na-asacha Hpmc na-akpọnwụ iji nweta ngwaahịa ikpeazụ na ntụ ntụ.
4. Ngwa nke HPMC:
HPMC na-ahụ ngwa ndị zuru ebe niile gafere ọrụ dị iche iche:
A na-ejikarị HPMC mee ihe dị ka ọgwụ na-akpata ọgwụ na mkpuchi mbadamba, usoro a na-achịkwa, nkwadebe nke mmụọ, na nkwụsị. Ọ na-eje ozi dị ka ihe mgbochi, Peadener, ihe nkiri gara aga, yana onye ọrụ na-ahapụ ọrụ na usoro onunu ogwu.
Industrylọ ọrụ nri: Na ụlọ ọrụ nri, a na-eji HPMC rụọ ọrụ dị ka TPMC, kwụsie ike, mgbochi, na ngwongwo mmiri ara ehi, ngwaahịa mmiri ara ehi, na ụtọ. Ọ na-eme ka udidi, ndụ nchekwa, na onu na nri.
Ewuo: HPMC bụ ihe dị mkpa na ihe ndị na-ewu ụlọ dị ka gwongworo, tile adhesives, na ngwaahịa ngwaahịa gypsum-dabeere. Ọ na-arụ ọrụ dị ka onye na-ejide ihe mgbochi mmiri, na-eme ka ọrụ, na-ebelata ịba ume, ma mee ka ndọtị na-ewu ewu.
A na-eji HPMC mee ihe na ihe ịchọ mma na ngwaahịa nlekọta onwe ya dị ka nke na-ahụ maka ihe ndị na-eme ihe nkiri dị na ngwaahịa dị ka ude, lotion, shampoos, na gels. Ọ na-enye viscosity, na-eme ka udidi, ma na-enye ọ na-enwe obi ụtọ.
Ngwa ndị ọzọ: A na-arụkwa ọrụ na akwụkwọ sekọndrị, caramics, na-ese, na-egbochi, na dị ka lurricant na usoro ọmụmụ dị iche iche.
5. Echiche na nsogbu ndị ọzọ:
A na-atụ anya ihe dị ka HPMC ga-aga n'ihu na-eto n'ihi ihe akụrụngwa ya na ngwa dị iche iche. Agbanyeghị, ịma aka dị ka ọnụ ahịa anụ ụlọ, ihe mgbochi, na asọmpi sitere na polymers ọzọ nwere ike imetụta ike ahịa. A na-elekwasị anya na arụmọrụ HPMC, na-enyocha ụzọ synsis na-adịgide adịgide synsis, ma na-agbasa ngwa ya na ubi dị ka biodicine na Nanotechnology na Nanotechnology na Nanotechnology na Nanotechnology na Nanotechnology na Nanotechnology.
Hydroxypyl Methylcellose (hpmc) bụ polymen bara uru na ọtụtụ ngwa dị iche iche na-aga ọtụtụ ọrụ ọrụ ọtụtụ. Ihe owuwu ya pụrụ iche, Njirimara na Synsis na-eme ka ọ bụrụ ihe dị mkpa na ọgwụ, ngwaahịa nri, ihe ndị owuwu, na ngwa ọrụ dị iche iche. Dị ka nyocha na usoro mmepe na-aga n'ihu, HPMC dị mma ka ọ bụrụ na ọ ga-abụ onye ọkpụkpọ na ụlọ ọrụ polymer, na-enye ihe ọfụma ngwọta iji gboo mkpa ahịa.
Oge post: Mar-05-2024