Ihe nlere hydroxypyl methylcellose (HPMC) enwetala nlebara anya zuru oke n'ofe ọrụ dị iche iche n'ihi ịdị iche iche na ezi omume. Isiokwu a na-enye nkọwa zuru oke banyere ihe mejupụtara na akụrụngwa nke addesives hpmc. A na-atụle usoro nke HPMC, usoro mmepụta ya, na ihe na-emetụta ihe ndị na-edozi ahụ. Ọzọkwa, ọ na-enyocha Njirimara Njirimara nke HPMC na ngwa dị iche iche na uru ya na adres ọdịnala.
Hydroxyympylmethylcelllose (HPMC) bụ usoro ihe omimi Cellulose n'ọtụtụ ụlọ ọrụ, gụnyere ọgwụ, nri, owuwu na ndị na - eme ihe. Ndozi HPMC na-enweta ihe ewu ewu dị ka ihe ọzọ na nzuzo na-agbanwe agbanwe ọdịnala n'ihi ọdịdị nke ọdịdị ha na ezigbo ihe.
1. Ebumnuche na usoro nke HPMC:
HPMC bụ syshesis site na cellose, polysicchari chọtara na osisi osisi. Ngbanwe kemịkal nke celdlose na-agụnye otu ihe eji eme ihe na-agụnye propylene oxide na methy na methyl chloride iji mepụta hydropyyyl na otu methoxyl. Owuo nke nbanye (DS) nke otu hydroxyl na ìgwè Methoxy nwere ike ịdị iche, na-ebute akara akara dị iche iche nke HPMC na Njirimara dị iche iche.
Ihe owuwu nke HPMC mejuputara udiri glucose nke glucose jikọtara ọnụ site na β (1 → 4) Glycosidic Agbụ. Ọnụnọ nke hydroxylyl na methoxy na methoxy na cellulosunye na-enye nkwado na-agagharị na mmiri ma mee ka ihe nkiri na-akpụ akpụ akpụ akpụ. Ihe eji eme ihe na ogo nke dochie anya viscosity, solubality, na omume gel nke HPMC ma si otú a kwesiri ya maka ngwa nrapado.
2.hpmc ndọpụta nnweta:
A na-ejikarị ngwakọta HPMC kwadebere site na ịgbasa ntụ ntụ hpmc na mmiri ma ọ bụ ihe mgbaze iji mepụta ngwọta vis. Usoro mgbasa ozi na-agụnye hydration nke irighiri ihe, na - ebute guzobe nkwusioru nke colloidal. Enwere ike idozigharị viscosity nke ihe ngbanwe nke ihe nrịba ama site na ịchịkwa ịta na ogo nke hpmc.
N'ọnọdụ ụfọdụ, enwere ike kpụrụ akpụ dịka Glyceol ma ọ bụ sornol ma meziwanye mgbanwe na njikọ. Ndị ọrụ na-ejikọkarị na-ejikọ anya dị ka borax ma ọ bụ nnu nnu iji mee ka ike nke njikọ HPMC. Enwere ike ijikwa usoro nnabata ọzọ site na ịgbakwunye ihe mgbakwunye dịka tactifers, surfactions ma ọ bụ ndị na-eme ngwa ngwa iji bulie Njirimara.
3. Ihe ndị na-emetụta arụmọrụ na-arụ ọrụ:
Njirimara Njirimara nke HPMC na-emetụta ọtụtụ ihe, gụnyere oke molecular, ogo ihe nnọchi, itinye uche, pH, pH, pH, pH, ọnọdụ okpomọkụ na ọnọdụ ịgwọ ọrịa. Ogo molecular dị elu na ogo nke nhichapụ n'ozuzu na-arụpụtawanye viscosity na nkekọ. Agbanyeghị, nnọchi anya ngafe nwere ike ibute gelenation ma ọ bụ nkewa, na-emetụta Njirimara Njirimara.
Nta nke HPMC na nhazi nrapado na-emetụta vishSosis, na oge ihicha. PH na okpomọkụ na-emetụta onye na-esochi ya na ụdị GPMC, nke nwere ọnọdụ kachasị dị mma dabere na-adabere na ọkwa dị iche iche chọrọ. Ọnọdụ ịgwọ ọrịa, dị ka ihicha oge na okpomọkụ, nwere ike imetụta mmepe na usoro ihe nkiri.
4. Njirimara Adhesion nke HPMC:
HPMC adhosives na-egosipụta ezigbo njikọta nke njikọ dị ukwuu n'ọtụtụ mkpụrụ, gụnyere mpempe akwụkwọ, osisi, akwa akwa na plastik. Ihe mgbado a na - eme ka a na - eme mgbanwe ma na - adịgide adịgide na ezigbo nguzogide nke mmiri, okpomoku na ịka nká. HPMC adhesives dịkwa ala, ndị na-abụghị ihe na-adịghị mma, ma dakọtara na ndị ọzọ.
N'ime ngwa na nkwakọ ngwaahịa, a na-eji adhesives na-eme ihe maka mmado, akara katọta na lamination site na mgbatị mbụ ha na nkekọ. N'ebe a na-ewu ihe owuwu, ihe eji eme ihe eji eme ihe na-ewu ewu, ngwa agha plasta na ngwakọta nkwonkwo na-enye arụmọrụ dị mma, adhesion na nsị mmiri na-egbochi. Na mpempe akwụkwọ sekọndrị, a na-ejikarị videners HPMC Prenenners na-achịkwa viscosity ma melite ibipụta ihe doro anya.
5. Uru nke HPMC A Nnọọ:
Ihe adhesives hpmc na-enye ọtụtụ uru n'elu adhesian adhesians, na-eme ka ha bụrụ nhọrọ mbụ maka ọtụtụ ngwa. Nke mbu, a na - enweta HPMC site na imeghari uzo ohuru ma di ndu, belata mmetụta ya na gburugburu ebe obibi. Nke abụọ, HPMC adhoning nwere oke mma na ike allergenic, na-eme ka ọ dị nchebe maka iji na nkwakọ ngwaahịa na ngwa.
HPMC adhesive chọrọ obere nkwadebe elu ma na-enye ezigbo ndọnye ezigbo nsị na mkpụrụ dị iche iche, gụnyere porous na-enweghị atụ. Ha na-eguzosi ike na mmiri, kemịkal na radieshon UV, na-agba mbọ dị mfe ma rụọ ọrụ ogologo oge na arụmọrụ ogologo oge. Ke adianade do, enwere ike idozi adhesives HPMC iji mezuo ihe ndia choro dika ogwugwo ngwa ngwa, nguzogide elu okpomoku ma obu di ala.
6. Atụmanya ọdịnihu na ọganihu:
Ihe na-eto eto na-achọsi ike na gburugburu ebe obibi na gburugburu ebe obibi na mgbalị iche iche na mgbalị iche iche iji meziwanye arụmọrụ na nke ọma nke n adres HPMC. Ọganihu ọganihu nwere ike ilebara anya na-eme ka mmiri guzosie ike, na njikwa nchekwa nke usoro iwu HPMC site na usoro ihe mgbakwunye edepụtara, usoro njikọta, na usoro nhazi.
Mmepe nke ndị ọzọ na-eme ihe nkiri na-aga n'ihu na polymers na-atụ anya ka a na-agbasa ngwa ngwa nke ngwa HPMC na ọrụ dị iche iche. Mmekọahụ n'etiti Ahịa, ụlọ ọrụ, na ụlọ ọrụ gọọmentị dị mkpa ịza nkà na teknụzụ na-apụta dị ka nrụgharị na mkpofu.
Addypypyl Methylcellose (HPMC) na-enye nkwado na nke dịgasị iche iche maka ngwa dị iche iche, site na akwụkwọ na nkwakọba akwụkwọ. Ghọta ihe mejupụtara ya na akụrụngwa nke Hpmc dị oke mkpa iji mepụta adresives na arụmọrụ na ndakọrịta gburugburu. Site na nyocha na ihe ọhụrụ, advives hpmc ga-arụ ọrụ dị mkpa na-ezute mkpa nke ụlọ ọrụ ọgbara ọhụrụ mgbe ị na-ebelata mmetụta ndị metụtara gburugburu ebe obibi.
Oge post: Feb-18-2025