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ʻO ke kuleana o ka hydroxyethyl cellulose (HEC) i nā uhi
ʻO Hydroxyethyl cellulose (HEC), he melemele keʻokeʻo a māmā paha, ʻaʻohe ʻala, ʻaʻohe mea ʻawaʻawa a i ʻole ka pauka paʻa, i hoʻomākaukau ʻia e ka hopena etherification o ka cellulose alkaline a me ka ethylene oxide (a i ʻole chlorohydrin), nona nā Nonionic soluble cellulose ethers. No ka mea he waiwai maikaʻi ko HEC o ka mānoanoa, hoʻopaneʻe ...Heluhelu hou aku -
Ka hopena mānoanoa o ka hydroxypropyl methylcellulose
Hāʻawi ka Hydroxypropyl methylcellulose i ka mortar pulu me ka viscosity maikaʻi loa, hiki ke hoʻonui nui i ka hiki ke hoʻopaʻa ʻia ma waena o ka mortar pulu a me ka papa kumu, a hoʻomaikaʻi i ka hana anti-sag o ka mortar. Hoʻohana nui ʻia ia i ka plastering mortar, ka ʻōnaehana insulation pā waho a me ka b ...Heluhelu hou aku -
E hoʻohana i ka hydroxypropyl methylcellulose e hoʻopili i kekahi mau waiwai
ʻO Hydroxypropylmethylrubicin (HPMC) kahi mea cellulosic, pulp a pulupulu paha i hiki ke hoʻohana ʻia e hoʻomaʻemaʻe i ka pulp lāʻau. Ma mua o ka hoʻopau ʻia ʻana o ka alkalization a i ʻole ka alkalization. Hiki i ka pōʻino mīkini ke hoʻopau i ka hui pū ʻana o ka mea cellulose pepa, a laila e hōʻemi i ka polymerizatio...Heluhelu hou aku -
ʻO ka ʻokoʻa ma waena o ka hydroxypropyl methylcellulose HPMC a me ka methylcellulose MC
ʻO ka HPMC ka hydroxypropyl methylcellulose, ʻo ia ka non-ionic cellulose i hui ʻia eter i hana ʻia mai ka pulupulu hoʻomaʻemaʻe ma hope o ka alkalization, me ka hoʻohana ʻana i ka propylene oxide a me ka methyl chloride ma ke ʻano he etherification agents, a ma o ke ʻano o nā hopena. ʻO ka pae o ka hoʻololi ʻana he 1.2-2.0. ʻO kāna mau waiwai ...Heluhelu hou aku -
Cellulose Etera
Hana ʻia ka cellulose ether mai ka cellulose ma o ka hopena etherification o hoʻokahi a i ʻole kekahi mau mea etherification a me ka wili maloʻo. E like me nā ʻano kemika ʻokoʻa o nā mea pani ether, hiki ke hoʻokaʻawale ʻia nā cellulose ethers i nā anionic, cationic a me nā eter nonionic. Ionic cellulose et...Heluhelu hou aku -
Hydroxypropyl Methyl Cellulose HPMC Pono
ʻO ka Hydroxypropyl methylcellulose HPMC kahi ʻano o ka non-ionic cellulose i hui ʻia eter. ʻOkoʻa me ka ionic methyl carboxymethyl cellulose mixed ether, ʻaʻole ia e pane me nā metala kaumaha. Ma muli o nā lakio like ʻole o ka methoxyl content a me ka hydroxypropyl content i ka hydroxypropyl methylcellulose a me ka dif...Heluhelu hou aku -
Ka hoʻohana ʻana i ka hydroxypropyl methylcellulose i loko o ka gypsum mortar
Ho'āʻo hoʻokolohua noiʻi o ka hydroxypropyl methylcellulose: 1. Ka ho'āʻo ikaika: Ma hope o ka hoʻāʻo ʻana, ʻo ka hydroxypropyl methylcellulose e pili ana i ka gypsum i loaʻa ka ikaika tensile paʻa a me ka ikaika compressive. 2. Anti-sagging ho'āʻo: ʻAʻohe sag ke hoʻohana ʻia ka hana hoʻokahi-pass i nā papa mānoanoa, a ʻaʻohe sag i ka wā ...Heluhelu hou aku -
ʻO ka Hydroxypropyl methyl cellulose ether (HPMC) no ka lepo lepo maloʻo
ʻO ka inoa Kina o HPMC he hydroxypropyl methylcellulose. He non-ionic a hoʻohana pinepine ʻia ma ke ʻano he mea mālama wai i loko o ka mortar maloʻo. ʻO ia ka mea maʻamau i hoʻohana ʻia e mālama i ka wai i ka mortar. ʻO ke kaʻina hana o ka HPMC he huahana polysaccharide-based ether i hana ʻia e kahi ...Heluhelu hou aku -
Hydroxypropyl Methyl Cellulose Ether (HPMC)
Nā hiʻohiʻona: ① Me ka paʻa wai maikaʻi, ka mānoanoa, rheology a me ka hoʻopili ʻana, ʻo ia ka mea koho mua no ka hoʻomaikaʻi ʻana i ka maikaʻi o nā mea kūkulu hale a me nā mea hoʻonaninani. ②Ka nui o nā mea hoʻohana: ma muli o nā māka piha, hiki ke hoʻohana ʻia i nā mea hana pauka. ③Ka hewa liʻiliʻi...Heluhelu hou aku -
Hoʻohana i ka Cellulose Ether ma Hot Melt Extrusion Technology
Ua hoʻokumu ʻo Joseph Brama i ke kaʻina extrusion no ka hana ʻana i nā paipu alakaʻi i ka hopena o ke kenekulia 18. ʻAʻole hiki i ka waenakonu o ke kenekulia 19 i hoʻomaka ka hoʻohana ʻana i ka ʻenehana extrusion wela wela i ka ʻoihana plastics. Ua hoʻohana mua ʻia ia i ka hana ʻana o ka insulating polymer coatings f ...Heluhelu hou aku -
Etherification Synthetic Principle of Hydroxypropyl Methyl Cellulose (HPMC)
ʻO ka Hydroxypropyl methylcellulose (HPMC), ka cellulose maka, hiki ke hoʻomaʻemaʻe ʻia i ka pulupulu a i ʻole ka pulp lāʻau, pono loa ia e ʻoki ʻia ma mua o ka alkalization a i ka wā o ka alkalization, a ʻo ka ʻoki ʻia ʻana ma o ka ikehu mechanical E hoʻopau i ke ʻano hui o ka cellulose maka mea e hōʻemi ai i ke kiʻekiʻe o ka. cr...Heluhelu hou aku -
Hydroxypropyl methyl cellulose ether no ke kūkulu ʻana
ʻO nā hiʻohiʻona huahana o ka hydroxypropyl methylcellulose no ke kūkulu ʻia ʻana. Hiki ke hoʻoheheʻe ʻia i ka wai anuanu. ʻO ka nui o ka manaʻo e pili ana i ka viscosity. Hoʻololi ka solubility me ka viscosity. ʻO ka haʻahaʻa o ka viscosity, ʻoi aku ka nui o ka solubi ...Heluhelu hou aku
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