ʻO ka ʻōlelo maʻamau, ʻoi aku ka kiʻekiʻe o ka viscosity o ka hydroxypropyl methylcellulose.Eia nō naʻe, pili ia i ka degere o ka hoʻololi ʻana a me ka awelika o ka degere o ka hoʻololi ʻana.ʻO ka Hydroxypropyl methyl cellulose no ka non-ionic cellulose ether, ʻo ka hiʻohiʻona he pauka keʻokeʻo, ʻala ʻole a ʻono ʻole, hiki ke hoʻoheheʻe ʻia i ka wai a me ka hapa nui o nā mea hoʻoheheʻe polar a me ka ʻāpana kūpono o ka ethanol / wai, propanol / wai, dichloroethylene ʻAʻole hiki ke hoʻoheheʻe ʻia i nā alkanes, acetone, a me ka ethanol piha, a pehu i loko o ka wai anuanu.He hana ili ka wai o ka wai, hana i kahi kiʻiʻoniʻoni lahilahi ma hope o ka maloʻo ʻana, e hoʻololi hou ʻia mai ka sol a i ka gel ma ke kaʻina ma ka hoʻomehana ʻana a me ka hoʻoluʻu.ʻO ke aniani kiʻekiʻe a me ka hana paʻa.
ʻO ka hydroxypropyl methylcellulose ka waiwai o ka gelation thermal.Ma hope o ka hoʻomehana ʻana o ka wai wai o ka huahana, hana ia i ka gel a hoʻoheheʻe ʻia, a hoʻoheheʻe ʻia ma hope o ka hoʻoilo.ʻOkoʻa ka mahana gelation o nā kikoʻī like ʻole.ʻokoʻa ka solubility me ka viscosity.ʻO ka haʻahaʻa o ka viscosity, ʻoi aku ka nui o ka solubility.ʻOkoʻa nā waiwai o ka hydroxypropyl methylcellulose me nā kikoʻī like ʻole.ʻAʻole pili ka hoʻoheheʻe ʻana o ka hydroxypropyl methylcellulose i ka wai e ka waiwai pH.
Nā hiʻohiʻona: Loaʻa iā ia nā hiʻohiʻona o ka hiki ke mānoanoa, ka paʻakai paʻakai, ka paʻa PH, ka paʻa ʻana o ka wai, ke kūpaʻa dimensional, ka waiwai hana kiʻiʻoniʻoni maikaʻi loa, ka laulā o ke kūpaʻa enzyme, dispersibility a me ka cohesiveness.
ʻO ka paʻa ʻana o ka wai o nā huahana hydroxypropyl methylcellulose e hoʻopilikia pinepine ʻia e nā kumu penei:
1. Kaulike o ka hydroxypropyl methylcellulose
Hoʻopili like ʻia ka hydroxypropyl methylcellulose, methoxyl a me ka hydroxypropoxyl, a ʻoi aku ka kiʻekiʻe o ka paʻa wai.
2. Hydroxypropyl methylcellulose wela gel wela
ʻOi aku ka kiʻekiʻe o ka wela gel wela, ʻoi aku ka kiʻekiʻe o ka paʻa wai;a i ʻole, ʻoi aku ka haʻahaʻa o ka paʻa wai.
3. Viscosity o ka hydroxypropyl methylcellulose
Ke piʻi ka viscosity o ka hydroxypropyl methylcellulose, piʻi pū ka nui o ka mālama ʻana i ka wai;ke piʻi ka viscosity i kahi pae, ʻoi aku ka maʻalahi o ka piʻi ʻana o ka paʻa wai.
4. ʻO ka nui o ka hydroxypropyl methylcellulose i hoʻohui ʻia
ʻOi aku ka nui o ka hydroxypropyl methylcellulose i hoʻohui ʻia, ʻoi aku ka kiʻekiʻe o ka pae paʻa wai a ʻoi aku ka maikaʻi o ka hopena paʻa wai.Ma ka laulā o ka 0.25-0.6% hoʻohui, piʻi wikiwiki ka nui o ka paʻa wai me ka hoʻonui ʻana i ka nui o ka hoʻohui;ke piʻi aʻe ka nui o ka hoʻohui, e lohi ka piʻi ʻana o ka nui o ka mālama ʻana i ka wai.
Ka manawa hoʻouna: Mar-14-2023