ʻO ka Hydroxypropyl methylcellulose (HPMC) he mea koʻikoʻi me ka nui o nā noi i ka ʻoihana lāʻau lapaʻau a me nā ʻoihana ʻē aʻe e like me ka meaʻai, nā mea hoʻonaninani a me ke kūkulu ʻana. Ke ulu mau nei ka noi no HPMC i nā makahiki ma muli o kāna mau waiwai kūʻokoʻa e like me ka mānoanoa, hoʻopaʻa, hana kiʻiʻoniʻoni a me ka paʻa ʻana o ka wai. Ma kēia ʻatikala, e kūkākūkā mākou i ke ʻano hana hoʻoheheʻe alkaline o ka hydroxypropyl methylcellulose (HPMC).
ʻO ke kaʻina hana leaching alkali o ka hydroxypropyl methylcellulose (HPMC) kahi kaʻina hana e hana ai ka cellulose me ka propylene oxide a me ka methyl chloride i mua o ka alkali. Hana ʻia ke kaʻina hana ma lalo o ka mahana, ke kaomi a me nā kūlana hoʻokele manawa e hana i nā huahana HPMC kiʻekiʻe.
ʻO ka hana mua i ka hana ʻana i ka HPMC me ka hoʻohana ʻana i ke ʻano hana leaching alkaline ka hoʻomākaukau ʻana i ka cellulose raw material. Hoʻomaʻemaʻe mua ʻia ka cellulose ma ka wehe ʻana i nā mea haumia a laila hoʻololi ʻia i cellulose alkali ma o ka mālama ʻana me kahi alkali e like me ka sodium hydroxide. He mea koʻikoʻi kēia ʻanuʻu no ka mea e hoʻonui i ka reactivity o ka cellulose me nā reagents i hoʻohana ʻia i nā pae hope.
Hoʻopili ʻia ka cellulose alkali me ka hui ʻana o ka propylene oxide a me ka methyl chloride ma lalo o ka mahana a me ke kaomi. ʻO ka hopena ma waena o ka cellulose alkali a me ka reagent ka hopena i ka hoʻokumu ʻana i kahi huahana, ʻo ia ka hui ʻana o hydroxypropyl methylcellulose a me nā huahana ʻē aʻe.
Holoi ʻia ka hui ʻana, hoʻokaʻawale ʻia a kānana ʻia e wehe i nā haumia e like me nā reagents unreacted a me nā huahana. Hoʻopili ʻia ka hopena hopena e ka evaporation no ka loaʻa ʻana o kahi huahana HPMC maʻemaʻe kiʻekiʻe.
ʻO ke ʻano hana hana leaching alkali o ka hydroxypropyl methylcellulose (HPMC) he nui nā pono i hoʻohālikelike ʻia me nā ʻano hana ʻē aʻe e like me ka etherification. ʻO kekahi o nā mea maikaʻi ʻo ia ka hana ʻoi aku ka maikaʻi o ke kaiapuni. ʻAʻole like me nā kaʻina hana ʻē aʻe, ʻaʻole hoʻohana ke ʻano hana leaching alkali i nā solvents halogenated e hōʻino i ke kaiapuni a me ke olakino kanaka.
ʻO kekahi pōmaikaʻi o kēia ʻano hana ʻo ia ka hana ʻana i nā huahana HPMC maʻemaʻe kiʻekiʻe. ʻO nā kūlana hoʻonā i hoʻomalu ʻia e hōʻoia i ka huahana hope i ka maikaʻi kūlike a kūpono i nā ʻano noi like ʻole.
He mea koʻikoʻi ka hoʻohana ʻana i ka HPMC i ka ʻoihana lāʻau no ka hana ʻana i nā papa, nā capsules a me nā ʻano ʻano hana ʻē aʻe. Hiki ke hoʻohanaʻia ka HPMC ma keʻano he mea hoʻopaʻa, disintegrant, coating agent, a me nā mea'ē aʻe. ʻO ka hoʻohanaʻana i ka HPMC i kēia mau noi e hōʻoiaʻiʻo i keʻano kiʻekiʻe o keʻano o ka dosage a kūpono i nā kūlana i makemakeʻia.
Hoʻohana ʻia ʻo HPMC ma ke ʻano he mānoanoa, emulsifier a me stabilizer i ka ʻoihana meaʻai. ʻO ka hoʻohana ʻana i ka HPMC i nā huahana meaʻai e hōʻoia i ke ʻano kūlike, viscosity a me ka maikaʻi.
I ka ʻoihana kūkulu, hoʻohana ʻia ʻo HPMC ma ke ʻano he mea hoʻohui ciment e hoʻomaikaʻi i ka hana, ka paʻa ʻana o ka wai a me nā waiwai paʻa o ka sima. ʻO ka hoʻohana ʻana i ka HPMC e hōʻoia i ka maikaʻi o nā huahana kūkulu hale a hoʻokō i nā kūlana i koi ʻia.
I ka hōʻuluʻulu manaʻo, ʻo ke ʻano hana hoʻolale alkali o hydroxypropyl methylcellulose (HPMC) kahi kaʻina hana no ka hana ʻana i nā huahana HPMC kiʻekiʻe a hoʻohana nui ʻia i nā ʻoihana like ʻole e like me nā lāʻau lapaʻau, meaʻai, a me ke kūkulu ʻana. ʻO ka hoʻohana ʻana i ka HPMC i kēia mau noi e hōʻoia i ka maikaʻi o ka huahana a hoʻokō i nā kūlana i koi ʻia. ʻO kēia ʻano hana hoʻohua hoʻi e pili ana i ke kaiapuni a hana i kahi huahana HPMC maʻemaʻe kiʻekiʻe.
Ka manawa hoʻouna: Sep-15-2023