Hydroxypyl Methylcellose (HPMC) bụ nke para polmer na polymer na-ejikarị ya na ụlọ ọrụ dị iche iche, nke a maara maka Njirimara na ngwa ya. Ogige a bụ ihe omimi nke cellose, polymer eke nke dị na mgbidi ụlọ ọrụ. Iji ghọta ihe mejupụtara mejupụtara hydroxymmethylcelllose, ọ dị mkpa iji wepụta na nhazi na njikọ nke cellulose overlivative.
Ọdịdị nke cellose:
Cellulose bụ celbohydrate nwere eriri ahịrị ahịrị ígwè ejikọtara ọnụ site na β-1,4-glycosidic nke agbụ. A na-ejikọ glucose ndị a site na agbụ hydrogen iji mepụta usoro dị egwu. Cellulose bụ nchịkọta nchịkwa nke osisi cells, na-enye ike na ike na ike na osisi.
Ihe eji eme ihe ngosi nke hydroxyylthyl
Hydroxypylthythylthylthylthylthylthylcelllilose bụ synlenhilized site na modelite cellose ma webata hydropyyl na methyl dị iche iche nke cellose. Mmepụta na-agụnye usoro ndị a:
Mmeghachi omume gị:
Methylation: na-emeso cellolose na alkaline ngwọta na methyl chloride iji webata otu methy (-ch3) n'ime otu hydroxy (-OH) nke celdlopose.
HyDroxyyyyyyyyyyylation: methylose na-aga n'ihu na propylene oxide iji webata ìgwè hydyyl (-ch2chohch3) n'ime ihe owuwu cellopose. Usoro a na - eme ka mmiri solubility na - agbanwe ihe anụ ahụ nke cellose.
Dị ọcha:
A na-asacha cellulose ahụ iji wepu ihe ndị ọ bụla na-agụ, site na ngwaahịa ma ọ bụ adịghị ọcha.
Ihicha ma na-egweri:
Hydroxypypylthylthylcelllose asat na-akpọnwụ ma banye n'ime ntụ ntụ dị mma maka iji ngwa dị iche iche.
Efrata nke hydroxypropyythlthylcelllose:
Ihe mejupụtara hydropyythylthylthylthylthyl methylcellose bụ ihe nnọchi ahụ, nke na-ezo aka na ogo hydroxypyl na otu methy dochie anya dị iche iche. Akara akara dị iche iche nke HPMC nwere ogo dị iche iche nke dochie anya, na-emetụta mmụọ, viscosity na akụrụngwa ndị ọzọ.
Enwere ike igosipụta usoro kemịkal nke hydyypyl Methylcelllose dị ka (och) 3-mn (oh) m (och) m (och) ch) _x, ebe m na n na-anọchite anya ogo nke nbanye.
m: ogo nke methylation (otu methyl otu glucose)
n: ogo hydropopylation (hydroxypyl n'otu n'otu glucose)
X: Onu ogugu glucose na cellulose
Atụmatụ na ngwa:
Solubality: hpmc bụ mmiri - soluble, na ogo nke ihe ọchichiri emetụta njirimara onye na-eso ụzọ ya. Ọ na-etolite ngwọta doro anya na nke viscous na mmiri, na-eme ya kwesịrị ekwesị maka usoro dị iche iche.
Visiot: viscosity nke HPMC Solutions na-adabere n'ihe dịka oke molecular na ogo nke dochie. Ngwongwo a dị oke mkpa maka ngwa ndị dị ka ọgwụ na-achọ usoro nchịkwa na-achịkwa.
Usoro ihe nkiri: HPMC nwere ike mejupụta ihe nkiri dị ka ihe ngwọta na-atụ, na-eme ya bara uru na mkpuchi na ọgwụ, nri na ọrụ ndị ọzọ.
Nkwụghachi na ndị ọrụ nri: Na ụlọ ọrụ nri, a na-eji HPMC mee ihe dị ka nke na-eme ihe dị iche iche ma kwụsie ike na ọtụtụ ngwaahịa dị iche iche, gụnyere sasses, na ngwongwo ndị a na-eme achịcha.
Ngwa nke ọgwụ: Ejiri HPMC mee ihe n'ọtụtụ ọgwụ, gụnyere mbadamba ihe, capsules, n'ihi ngwọta Nchọpụta ya na biocompamallical.
A na-ewu ụlọ na mkpuchi: A na-eji HPMC eme ihe na ihe ndị na-ewu mmiri dịka ngwa agha, taịlị na-addesives na plasters. A na-ejikwa ya dị ka nke na-agbada ma sie ike na agba na mkpuchi.
Ngwaọrụ Nlekọta nkeonwe: Na Nchọpụta Nchịkwa na ụlọ ọrụ nlekọta onwe gị, a na-ahụ HPMC na ngwaahịa dịka ude, lotion na shampoos, ebe ọ na-enye udidi na nkwụsi ike.
A na-enweta Hydropylithyththththththyththylcelllose na-enweta site na methylition na hydroxypyplation nke cellose. Ọ bụ polymer ọtụtụ ebumnuche nwere ọtụtụ ihe. Ngwongwo pụrụ iche ya na-eme ka ọ baa uru na ụlọ ọrụ dị ka ọgwụ, nri, owuwu na nlekọta onwe onye. Mgbanwe nke cellulose nwere ike ịdị mma nke HPMC, na-eme ya otu ihe dị mkpa nke ọtụtụ ngwaahịa anyị na-ezute na ndụ anyị kwa ụbọchị.
Oge Post: Jan-10-2024