ʻO ka hydroxyproopsl methylcelllouse (hpmc) he mea non-iniko, nā mea e like me nā mea kanu maʻamau, a me nā mea kanu ʻO kekahi o kāna mau hiʻohiʻona koʻikoʻi he hiki ke hāʻawi i nā viscosity maʻamau i nā hopena a me nāʻano hana. ʻO nā mīkini ma hope o ka hikiʻana o HPMC e mālama i ka nui a me ka nui o ka viscosity a me ka loliʻana i ka hanaʻana i keʻano molcular.
ʻO ka hoʻolālā molecular a me ka pālolo
Ua kiʻiʻiaʻo HPMC mai Cellulouse, kahi polymer kūlohelohe e pili ana i nā hui glucose e pili ana iā β-1,4-glycosidic. Hoʻokomoʻia ka hana hoʻololi i ka hoʻomakaʻana o ka methoxy a me nā hui hydroxyproopyl ma ke kua o ka cellulous Hoʻopili kēia hoʻololi i ka pālolo o ka HPMC i ka wai a me nā mea hoʻokele kaʻa.
ʻO ke kiʻekiʻe o ka hoʻololiʻana (DS) a me ke koho balota molar (ms) nā mea koʻikoʻi e wehewehe ana i nā waiwai o HPMC. Ds e pili ana i ka helu o ka helu o nā hui hydroxyl i kohoʻia no ka nui o ka mole o ka nui o nā'āpana o nā pūlima ʻO kēia mau'āpana i ka hopena o HPMC
ʻO nā kiʻi o kaʻikeʻana i ka viscosity
Hydration a me Gel form:
I ka hoʻohuiʻana o HPMC i ka wai,ʻo ia ka mea e hoʻoheheʻeʻia, kahi e komo ai nā mollecules wai e hoʻopili ai i nā kaulahao polymer. Ke alakaʻi nei kēia kaʻina hana hydration i ka hoʻokumuʻana o kahi pūnaewele gel e hāʻawi i ka viscosity o ka hopena. Ua hoʻohālikelikeʻia ka hydration ma o ka mahana,ʻo pH, a me ke alo o Salts, akāʻo ka hana molehele o Molecubture e hoʻololi i keʻano o nā kūlana o ka hana.
Molele molebular and polymer chain interaction:
ʻO ke kaumaha molecular o ka hopena o HPMC nui i loaʻa i kona viscosity. ʻOi aku ka nui o nā meaʻoi aku ka nui o nā loina molyers kiʻekiʻe,ʻo ia ka mea e hele maʻalahi ai, e hoʻonui ana i ka viscosity o ka hopena. Loaʻaʻo HPMC i nā helu likeʻole me nā kaupaonaʻokoʻa'ē aʻe,ʻaeʻia i ka mana kūpono ma ka viscosity ma keʻano o ka huahana hope. ʻO ka hoʻokūkū a me ka launa pūʻana o kēia mau pūpū polymer e hana i kahi pūnaewele e hāʻawi ai i kahi pūnaewele e hāʻawi ai i ka viscosity maʻamau.
Ka Hōʻailona Ralation:
Hōʻikeʻo HPMC i nā waiwai o nā mea waiwai o ka Thement ʻO kēia mau mea hoʻolimalima no keʻano o ka methoxy a me nā hui hydroxyproopyl, e hoʻonui ana i nāʻano kiʻekiʻe, e alakaʻi ana i ka hana gel. I ka holoiʻana, ua hōʻemi kēia mauʻano, a me nā meaʻino a nā gel. He mea maikaʻi loa kēia waiwai i nā noi e koi ana i nā loli mahana e like me ka mālamaʻana i keʻano holoʻokoʻa.
ʻO keʻano RHEE:
Hōʻikeʻo HPMC i nā mea houʻole,ʻo Newtonian,ʻo ka hana nui, keʻano o kā lākou ciscorosity me ka hoʻonuiʻana i ka nui o ka piʻiʻana o ka hōʻailona. E hoʻomaka ana kēia waiwai ma lalo o nā kūlana hana likeʻole, e like me ka hoʻohuiʻana a iʻole ka hanaʻana i nā mea hana HPMC e like me ke kiʻiʻana i keʻano o ka HPMC Ua kōkua kēiaʻano Thixotropic e mālama i ka Viscosity Startistety i ka wā o ka noi.
PH STTABOOK:
ʻAʻole like me nā mea'ē aʻe'ē aʻe,ʻo HPMC i nā mea waiwaiʻole e loli i nā loli ph i ka nui o 3 a hiki i keʻano o keʻano o keʻano a me nā waihona. Ma muli o kahi hopena, mālamaʻo HPMC i kahi viscosity maʻamau ma waena o kahi ākea ākea, e kūpono ana no nā noi likeʻole e hoʻopiliʻia.
Nā noi e loaʻa ana mai ka viscosity maʻamau
Nā hale hakakala
I nā'ōnaehana hoʻomohala, hoʻohanaʻiaʻo HPMC e like me ka mea koa shaickener, pale, a me ka hoʻokaʻawaleʻana a me ka hoʻokaʻawaleʻana. ʻO ka maka'āʻike kūlike he koʻikoʻi no ka hōʻoiaʻana i ka hoʻokaʻawaleʻana i nā lāʻau lapaʻau lole, a hui pūʻia, a me nā hoʻopiʻiʻana i nā lāʻau lapaʻau i hoʻokuʻuʻia. No ka laʻana, ma ka papaʻaina, e hōʻoiaʻo HPMC, kūpono, a me nā polokalamu ophthalmic, a me nā Ophthalmic Solute
ʻOihana Hōʻea
I kaʻoihana meaʻai, hanaʻo HPMC e like me kahi emulsifier, stabilizer, a me ka skackener. ʻO kona hiki ke hāʻawi i ka viscosity corecortity no ka mālamaʻana i keʻano a me ka kūpaʻa o nā huahana e like me nā mea kanu, a me nā mea waiwai. ʻO nā mea kūʻai nui a HPMC a HPMC e hoʻohana pono i nā huahana e pono ai nā loli i ka Viscosity e hoʻololi i ka wā kuke.
Kūkulu hoʻi
I loko o nā lako hana, ua hoʻohanaʻiaʻo HPMC i ka hoʻonohonohoʻana a me nā hui kolamu e hoʻomaikaʻi i ka Worth i ka hana hana, a me ka amehu. Mālama ka viscosity viscosity i hiki ke noiʻia kēia mau lako hana a mālama pono i ko lākou kūpaʻa i ka wā o ke kaʻina hana.
Nā'āpono
Hoʻohanaʻiaʻo HPMC i nā hana cosmetic no kāna scokey a me ka hoʻopaʻaʻana i nā waiwai. I nā huahana e like me nā kiʻi, nā creams, a me nā shampoos, e hōʻoiaʻiʻo i ka viscosity e hōʻoia i kahiʻano leʻaleʻa a me ka paʻaʻana.
ʻO nā mea nui e pili ana i ka viscosity a me ka mālama maikaʻi
Hiki i kekahi mau mea ke hoʻonui i ka viscisition ka viscoussity o Hpmc, me ka heleʻana, me ka mahana, a me ke heleʻana o nā electrytes a me nā wā hoʻohui o nā electrytes a me nā wā hoʻohui. E hoʻokō i ka viscosity statistant, he mea nui ia e kāohi i kēia mau'āpana i ka wā e hana ana a me ka hoʻoiliʻana. Hoʻokomoʻia nā hana hoʻomalu maikaʻi:
Nā koho koho:
Ke hōʻoia nei i ka hoʻohanaʻana i ka hoʻomaʻemaʻe kiʻekiʻe a me ka mālamaʻana i nā kiʻekiʻe o ka substience a me nā mory collal no ka hanaʻana i nā mea kūponoʻole.
Nā kaʻina hana hana:
Hoʻopili i nā kaʻina hana hana, me ke komoʻana i nā kūlana kūpono o keʻano o ke kaʻina hana, he mea pono no ka hanaʻana i ka HPMC
Ka Manaʻo Manaʻo:
ʻO keʻano hoʻokolohua Routine Ditutine o HPMC no ka viscosity, molecular ʻO nāʻenehana e like me ka ciscomsy, gel permeatation chromatography, a me nā mea hou o nā mea hou aku.
ʻO ka mālama a me ka hāʻawiʻana:
Mālama kūpono a me ka lawelaweʻana o HPMC e pale ai i ka uʻiʻana a me ka degradation he mea nui. Pono e mālamaʻo HPMC i nā mea e wehe ai i nā wahi mokulele a me nā kūlana maloʻo e mālama ai i kāna mau waiwai.
Hiki iā HPMC ke hāʻawi aku i nā mea i hoʻopaʻaʻia mai nāʻano heihei ʻO kona kūpaʻaʻana o nā pae haʻahaʻa haʻahaʻa, he mau mea hoʻonaninani'ē aʻe, a hilinaʻi i ka hana ma lalo o nāʻano hana likeʻole ma nāʻoihana he nui. Ma o ka mālama ponoʻana i nā kaʻina hana hana a me nā hana hōʻoia maikaʻi, nā mea hana a HPMC e hōʻoia i ka mea e pono ai ke koiʻana i nā koi
Post Time: Feb-18-2025