ʻO HydroxyPropsl Midylcellse (HPMC) a me Mityllhydroydroxyl cellulouse ʻOiai he mau mea like lākou, e hōʻike ana lākou i nāʻokoʻa nui.
Hydroxyprooppropsllse (HPMC):
1.
ʻO HPMC kahi Palma-synthetic polymer i loaʻa mai i ka cellulose.
ʻO ia ka hana houʻana i nā'āpana o Anhydroglucose i pili i ka hydroxyproopsl a me nā hui methoxy.
2. Hana:
E hoʻolōʻihi i ka wai
ʻO ka hana kiʻi kiʻi: Hiki iā ia ke hana i nā kiʻiʻoniʻoni, e kūpono ana i nā noi e koi ai i nā pale pale pale.
ʻO ka Gellil Gely: He mau mea hana a nā mea alohaʻole,ʻo ia ka mea e pono ai i kekahi mau noi.
3. Ke noi:
Nā Pharmaceutitical: Hoʻohanaʻia e like me nā binders, nā kiʻi kiʻi kiʻi a me nā mea i hoʻokuʻuʻia i nā papa lāʻau lapaʻau i nā papa lāʻau lapaʻau.
Hana kūkulu: hoʻohanaʻia i loko o nā kiʻi o ka cement-sente-form, gypsum-stisters e pili ana i nā papa haʻahaʻa pono'ī.
ʻOihana meaʻai: i hoʻohanaʻia ma ka skickener a stabilizer i ka meaʻai.
4.
Ua hanaʻia e ka ethefifification o nā cellouse me ka problelene psplene oxide a me ka myyll chloride.
ʻO ke kiʻekiʻe o ka sciodyial (ds) e hoʻoholo i ka ratio o ka ratio o ka hydroxyproopsl a me nā hui methoxy.
Mathylohydshystoredrofallonba (MHC):
1.
ʻO Mhec kekahi o nā ceditose derivative me ka hydroxythyl a me nā hui methoyxy i hoʻopiliʻia e pili ana i ke kua.
2. Hana:
Wai wai wai: e like me hpmc, mhec ka wai wai, e hāʻawi ana i kona mau manawa i loko o nāʻano noi likeʻole.
Hoʻomaikaʻi hou i ka laweʻana i ka wai
3. Ke noi:
ʻO kaʻoihana hana: Ua hoʻohana nuiʻia e like me kahi luna shuckey no nā holoholona e pili ana i ka cement e pili ana i nā mea kanu lāʻau a me nā mea hana a nā gypsum.
Nā kiʻi kiʻi a me nā pāpale: nā hana e like me keʻano o ka rheology sitrifier i nāʻeha a me nā lole.
Prormaceutical: Hoʻohanaʻia no ka hoʻomākaukauʻana i nā hoʻomākaukauʻana i ka hana.
4.
Hoʻokumuʻia e ka ethetification o nā cellouse me ka chloride a me ka chloride.
ʻO ke kiʻekiʻe o ka hoʻololiʻana i nā waiwai a me ka hana o Mhecs.
Kaʻokoʻa ma waena o HPMC a MHEC:
1. Enterification:
ʻO HPMC ka synthesized me ka hoʻohanaʻana i ka prostlene propylenex a me Mityl chloride.
Ua hanaʻiaʻo Mhec me ka hoʻohanaʻana i ka chloride a me ka chloride.
2, e noho ana ka wai.
Hōʻikeʻo Mhec maʻamau i nā waiwai hou o ka wai ma mua o ka hpmc.
3. Ke noi:
ʻOiai aia kekahi overlap, kahi noi e makemake ai kahi noi kūikawā ma mua o nā mea'ē aʻe e pili ana i kona mauʻano kūʻokoʻa.
4. Ka hopena Thermal:
Hōʻikeʻo HPMC i nā waiwai Thermogey
ʻO HPMC a MHEC he nui nā noi i nā palapala noi i nāʻoihana'ē aʻe, a he mau mea maikaʻi kēlā. ʻO ke koho ma waena o lākou e hilinaʻi nei i nā koi noi kiko'ī a me nā hana e pono ai. Inā paha ma nā lāʻau lapaʻau, kūkulu a iʻole nā hana'ē aʻe, e hoʻomaopopo ana i nāʻokoʻa i nā hoʻoholo iʻikeʻia e hoʻokō i nāʻano likeʻole a me nā kaʻina hana.
Post Time: Feb-19-2025