ʻO ka Hydroxypropyl methylcellulose, i ʻike ʻia hoʻi ʻo hypromellose a me cellulose hydroxypropyl methyl ether, ua hana ʻia mai ka cellulose pulupulu maʻemaʻe loa a ua etherified kūikawā ʻia ma lalo o nā kūlana alkaline.
ka ʻokoʻa:
nā ʻano like ʻole
ʻO Hydroxypropyl methylcellulose: ka pauka a i ʻole nā granules e like me ke olonā keʻokeʻo a keʻokeʻo paha, no nā ʻano non-ionic like ʻole i loko o ka hui cellulose, ʻo kēia huahana he semi-synthetic, inactive viscoelastic polymer.
ʻO ka Hydroxyethyl cellulose he keʻokeʻo a melemele paha, ʻala ʻole, ʻaʻohe ʻawahia a i ʻole ka pauka paʻa, ʻo ka mea nui ka alkali cellulose a me ka ethylene oxide etherification, ʻo ia kahi cellulose ether soluble non-ionic.
He ʻokoʻa ka hoʻohana ʻana
I loko o ka ʻoihana pena, loaʻa i ka hydroxypropyl methylcellulose ka solubility maikaʻi i ka wai a i ʻole nā mea hoʻoheheʻe organik e like me ka thickener, dispersant a me ka stabilizer. Hoʻohana ʻia ka Polyvinyl chloride ma ke ʻano he mea wehe pena no ka polymerization suspension e hoʻomākaukau i ka polyvinyl chloride, kahi i hoʻohana nui ʻia i ka ʻili, nā huahana pepa, ka mālama ʻana i nā huaʻai a me nā mea kanu, nā textiles a me nā ʻoihana ʻē aʻe.
ʻAneʻane hiki ʻole ke hoʻoheheʻe ʻia i ka ethanol maoli, ether, acetone; hoʻoheheʻe ʻia i loko o ka wai colloidal moakaka a turbid paha i ka wai anuanu, hoʻohana nui ʻia i nā uhi, nā ʻīnika, nā fibers, ka hoʻoluʻu ʻana, ka hana pepa, nā mea hoʻonani, nā pesticides, nā minelala. Hana ʻana i nā huahana, hoʻōla aila a me nā ʻoihana lāʻau lapaʻau.
ka hoʻoheheʻe ʻokoʻa
Hydroxypropyl methylcellulose: aneane hiki ʻole ke hoʻoheheʻe ʻia i ka ethanol maoli, ether, acetone; hoʻoheheʻe ʻia i loko o ka wai colloidal maopopo a ʻeleʻele iki paha i ka wai anuanu.
ʻO Hydroxyethyl cellulose (HEC): Hiki iā ia ke hoʻomākaukau i nā hopena ma nā pae viscosity like ʻole, a he mau waiwai hoʻoheheʻe paʻakai maikaʻi no nā electrolytes.
Ka manawa hoʻouna: Dec-01-2022