ʻO HydroxyPropsl Milylcelllose (HPMC) kahi polymer ʻO nā mea waiwai i hoʻohanaʻia ma ka hanaʻana o HPMC mai GOLL mai nā kumuwaiwai kūlohelohe a me nā kumuwaiwai hou.
ʻO HPMC kahi mea semisynthetic derivative of cellulose, loaʻa kahi polyom kūlohelohe i loaʻa i nā pā kūʻai i nā paia lāʻau. ʻO nā mea waiwai i hanaʻia e ka HPMC e komo pū me nā cellulose a me ka prostlene ox Hōʻikeʻia nā mea waiwai a me ke kaʻina synthesis i ka kiko'ī ma lalo nei:
1. Cellulose:
Source:ʻO ka mea nui o nā mea nui o HPMC,ʻo ia ka mea i laweʻia mai ka lāʻau lāʻau a iʻole ka cotton fiber. ʻO ka lāʻau lāʻau lāʻauʻo ia ka kumu maʻamau maʻamau ma muli o kona nui a me ke kumukūʻai.
ʻO ka hoʻokaʻawaleʻana: E hoʻokaʻawale i nā cellouse mai nā mea e hoʻohana ai i nā mea like me nā kaʻina hana a me nā kaʻina hana. ʻO ka lāʻau lāʻau lāʻau lapaʻau i mālamaʻia e lawe i nā hewa a me nā mea i loaʻa i nā fibers celllouse.
2.
Source: He mea koʻikoʻiʻo Prosplene Oxide i kahi mea nui o Synthetic HPMC a loaʻa iā Prosplene, i loaʻa mai kahi Petrochemical
Hanaʻia:ʻO ka hana propylene oxide e hana pinepineʻia ma o ke kaʻina hana i kapaʻia he chloorhydrins a iʻole epopolidation. I kēia kaʻina hana, hanaʻo Propylene i ka chlorine a iʻole hydrogen peroxide e hana i ka ocplay.
3.
ʻO Iēhova:ʻO ka synthesis o ka hpmc e pili ana i ka hoʻohuihui o ka cellouse me ka ocplouse me ka prostlene oxulose. Ua kapaʻia kekahi kaʻina hana i ka myylation, ma nā pūʻulu hydroxyproopsll e hoʻolaunaʻia i ke kua.
Alkali Profile: Hanaʻana i ka cellouse me kahi alkali (maʻamau sodium hydroxide) e ho'ōla i nā hui hydroxyel. ʻO kēia ka mea hou aku iā lākou i ka nui o nā hopena ma hope o ka hopena o ka maʻi prostlene
4.
E kāohi: E kāohi i ke kiʻekiʻe o ka huiʻana (Ds) i ka wā e hoʻokō ai i nā waiwai i makemakeʻia e hpmc. Pili keʻano o keʻano o ka hoʻololiʻana i ka palena, he mākaʻikaʻi, a me nā waiwai'ē aʻe o ka huahana hope loa.
ʻO ka hydroxyproplolation:
ʻO ka hopena:ʻO ka cellulose i hanaʻia a laila e hanaʻia me ka maʻi proptslene ma lalo o nā kūlana i hoʻopaʻaʻia. ʻO kēia mau hopena i ke ala o nā pūʻulu o nā pūʻulu hydroxyproopsl ma ke kaulahao cellouse.
ʻO ke kūlana a me ke kaomi: E mālama pono i nā kūlana e pili ana i keʻano, e pili ana i ka mahana a me ke kaomi, e hōʻoia i ka maikaʻi o ka hana.
5
ACIDATINAL OCIANY: Ma hope o ka hopena,ʻaʻole iʻaeʻia ka huahana me kahi acid e wehe i ke kumu nui.
ʻO ka holoiʻana: holoiʻiaʻo HPMC e wehe i nā mea waiwai, nā mea i makemakeʻoleʻia, a me nā huahana. He mea nui kēia hana e loaʻa ai kahi huahana kiʻekiʻe kiʻekiʻe.
6.
E wehe i ka wai wai ʻO kēiaʻano HPMC i loko o ka palapala POWDER, hiki i nā mea hou aʻe ke hoʻoponopono houʻia a hoʻohanaʻia i loko o nāʻano noi likeʻole.
ʻO nā mea waiwai o ka HPMC i loaʻa i ka celilous i loaʻa mai nā pulu lāʻau a iʻole nā cotton fiber a me ka prostolenex ʻO ke kaʻina synthesis e pili ana i ka myyylation, hydroxypropyprobolation, ka holoiʻana, holoi holoiʻia a me ka maloʻoʻana, a me ka hoʻomaʻemaʻeʻana, a me nā kūlana hoʻomaha e loaʻa ai nā waiwai o ka polymer i makemakeʻia. ʻO ka hana o ka HPMC
Post Time: Feb-19-2025