ʻO hydroxypropropyl milllll cellulse hpmc,ʻike pūʻia e like me ka hydroxyprowouse a iʻole ka nui o ka waiʻona ʻO ka hui huiʻo HydroxyPyl He semi-synthetic
1.ʻO ke kaʻina hana hana
Kraft pulp me nā mea i makemakeʻia o ka leka uila o 97%, entrinsic Viscosity of 720mp / g a me ka palena o ka makahiki 40 ℃ no 50 mau kekona. A laila ua pau ka pulp e wehe i ka nui o 49% Naoh ʻO ka pae kaupaona o (49% Naoh aqueous sult) i (paʻa ka palena o ka pulp) Ua loaʻa iā Alkali Celloul i loaʻa A laila, ua kāohiʻia ke kauʻana ma ka hana hou i 60 ℃ʻoiai ua laweʻia ka hoʻouluʻana i loko.
A laila ua hoʻohuiʻia 2.4kg dme i hoʻohuiʻia a me ke kauʻana o keʻano o ka mea e kāohiʻia i 60 ℃. Ma hope o ka hoʻohuiʻana o Timetyl ether,ʻo Tellefone Molar o Polani A mahope o ka hoʻohuiʻana iā Clpromtotane lāuaʻo'Osolene oxe, ua kaliʻia keʻano o ka mea nona ka nona i hoʻokeleʻia mai 80 ℃. Eia kekahi, ua hoʻomaka ka hopena no 20 mau minuke ma 90 ℃.
A laila e hoʻoneʻeʻia ke kino mai ka reactors a me keʻano o ka clude hydroxxypropyl millrolse cellulous mai ka reactors. ʻO keʻano o keʻano o keʻano o ka hydroxyprooppopplayl milll cellulouse he 62 ℃. E ana i ka nui o ka nui cumulative 50% ma keʻano he nui o keʻano o ka nui o ka cude e pili ana i keʻano o keʻano o keʻano o keʻano o keʻano o keʻano heʻelima.
Ma muli o kahi hopena,ʻo ka nui o ka nui o ka nui o ka nui o nā'āpana corsane he 6.2mm. Ua hoʻokomoʻia ka mea i loaʻa i ka cellulose hydroxyprockl Ma muli o nā'āpana like like me ka hoʻohanaʻana i 5 mau kiʻi me nā'āpana weheʻokoʻa,ʻo ka nui awelika helu helu helu 1.4mm. Hoʻohui i ka wai wela 80 ʻO ka nui o ka nui kinohi o ka hoʻohemoʻana o ka'ōmaʻomaʻo decompospospopall Millroluse i ka nui o ka slurry i ka nui o ka hua waina he 0.1 Uaʻehaʻia ka slurry i ka wela o 80 ℃ no 60 mau minuke.
A laila, ua hāʻawiʻia ka slurry i ka wikiwiki o ka wikiwiki o 0.5 rpm a me mua o nā huahana stonthofen. ʻO ka mahana o ka grout he 93 ℃. E hoʻohana i kahi pākuʻi e hāʻawi i ka slurry, pump discharge paʻakikī he 0.2mppa. ʻO ka nui o ka weheʻana o ka kānana paʻakikī o ke kiʻiʻoniʻoniʻo 80μm, aʻo ka'āpana kānana he 0.12m2. Ua hoʻolakoʻia ke kiʻi smury ma ka kānana pīhoihoi poleka Hāʻawiʻia ka pā kiʻi makana me 0.3mpa steam a me 95 ℃ high flight with the windio clonul, kahi i kiʻiʻia ai i kahi kānana momona hidrolomal.
Hāʻawiʻia ka wai wela ma o kahi pākuʻi ma kahi pānaʻi discharge o 0.2mpa. Ma hope o ka wai wela e hāʻawiʻia, 0.3mpa ka laweʻiaʻana o ka Steam. A laila, ma hope o ka holoiʻana i nā huahana i laweʻia mai ka kānana e ka mea i kālaiʻia a haʻalele i ka mīkini holoi holoiʻia. ʻO nā hana mai nā hāʻawiʻana i ka slurry e hoʻokuʻu i nā huahana i holoiʻia i nā huahana i lawe mauʻia. E like me ke anaʻana i ka hoʻohanaʻana i ka wela Ua hoʻokuʻuʻia nā huahana i holoiʻia mai ka kānana paʻakikī o ka pôpeku ma ke kaʻa ma 80 ℃, a hemo i keʻano lanakila o ka hydrolbopyl mininose.
2.aPoplication
Hoʻohanaʻia ka huahana HPMC e like me ka skickener, nā mea hoʻopiʻi, e hoʻopili ai, emulsifier a stabilisier a stabilisier ma kaʻoihana uila. A hoʻohana pūʻia ma Synthetic Reost, Petlerchemical, Pepakema, Pepa, Luna, Kalāʻau, Ka Kauka, Mea Kūʻaiʻawaʻawa.
POST manawa: Mar-23-2022