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I loko o ka ʻoihana lāʻau lapaʻau, hiki ke hoʻohana ʻia ka hypromellose (HPMC, METHOCEL™) ma ke ʻano he mea hoʻopiha, mea hoʻopaʻa, polymer uhi papa a me nā mea hoʻohui koʻikoʻi e kāohi i ka hoʻokuʻu ʻana o ka lāʻau. Ua hoʻohana ʻia ʻo Hypromellose i loko o nā papa no nā makahiki he 60 a ʻoi a he mea hoʻohui koʻikoʻi i hoʻohana nui ʻia i loko o nā papa matrix gel hydrophilic. Nui nā p...E heluhelu hou aku»
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He mea nui ka hydroxyethyl cellulose i loaʻa mai ka cellulose. Ma muli o nā pono o nā kumuwaiwai maka he nui, hiki ke hoʻohou hou ʻia, hiki ke palaho ʻia, ʻaʻohe ʻawahia, maikaʻi ka biocompatibility, a me ka nui o ka hua, ua huki nui ʻia ka noiʻi a me ka hoʻohana ʻana. . He mea nui loa ka waiwai viscosity no kēlā me kēia...E heluhelu hou aku»
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He aha nā hopena like ʻole o ka cellulose like ʻole ma ka plaster o Paris Hiki ke hoʻohana ʻia ka carboxymethyl cellulose a me ka methyl cellulose ma ke ʻano he mau mea mālama wai no ka plaster, akā ʻoi aku ka haʻahaʻa o ka hopena mālama wai o ka carboxymethyl cellulose ma mua o ka methyl cellulose, a ʻo ka carboxymethyl ce...E heluhelu hou aku»
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He polysaccharide ka Cellulose e hana ana i nā ʻano ethers wai-soluble. ʻO nā mea hoʻomānoanoa Cellulose he mau polymers wai-soluble nonionic. He lōʻihi loa kona mōʻaukala hoʻohana, ʻoi aku ma mua o 30 mau makahiki, a he nui nā ʻano like ʻole. Hoʻohana mau ʻia lākou i loko o nā pena latex āpau a ʻo ia ke kumu nui o nā mea hoʻomānoanoa...E heluhelu hou aku»
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He aha nā hopena o ka nui o ke ʻala ma ka hydroxypropyl methylcellulose: Hana ʻana o ka hydroxypropyl methylcellulose: E mālama i ka cellulose pulupulu i hoʻomaʻemaʻe ʻia me ka lye ma 35-40 ° C no ka hapalua hola, kaomi, kuʻi i ka cellulose, a hoʻomaʻamaʻa pono i 35 ° C, i hiki ai i ke kiʻekiʻe awelika o ka polymerization o ka mea i loaʻa ...E heluhelu hou aku»
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E kamaʻilio kākou e pili ana i ka hydroxypropyl methyl cellulose HPMC a pehea e ana ai i kona viscosity. ʻO ka viscosity ma aneʻi e pili ana i ka viscosity maopopo, he kuhikuhi koʻikoʻi ia i ka hydroxypropyl methyl cellulose. Kūlana. ʻO nā ʻano ana maʻamau he ana viscosity rotational, capill...E heluhelu hou aku»
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I ka hana ʻana o nā mea kūkulu hale, ʻoi aku ka mortar pauka maloʻo, he kuleana koʻikoʻi ka cellulose ether, ʻoi aku hoʻi i ka hana ʻana o ka mortar kūikawā (moltar i hoʻololi ʻia), he ʻāpana koʻikoʻi ia. ʻO ke kuleana koʻikoʻi o ka cellulose ether wai-hoʻoheheʻe ʻia i loko o ka mortar ʻo ia kona wat maikaʻi loa ...E heluhelu hou aku»
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ʻO ka Cellulose ka ʻāpana nui o nā paia o nā cell mea kanu, a ʻo ia ka polysaccharide i hoʻolaha nui ʻia a nui loa i ke ʻano, e helu ana ma mua o 50% o ka nui o ke kalapona i loko o ke aupuni mea kanu. I waena o lākou, kokoke ka nui o ka cellulose o ka pulupulu i ka 100%, ʻo ia ka ce kūlohelohe maʻemaʻe loa...E heluhelu hou aku»
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1) ʻO ka hoʻohana nui ʻana o ka cellulose ether papa hale ʻO ke kahua o nā mea hale ke kahua koi nui o ka cellulose ether. Loaʻa i ka Cellulose ether nā waiwai maikaʻi loa e like me ka mānoanoa, ka paʻa ʻana o ka wai, a me ka lohi, no laila ua hoʻohana nui ʻia e hoʻomaikaʻi a hoʻonui i ka morta i hui mua ʻia ...E heluhelu hou aku»
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ʻO ka mortar hoʻohālikelike ponoʻī he mea pauka maloʻo i kāwili ʻia me nā ʻano mea hana like ʻole, hiki ke hoʻohana ʻia ma hope o ke kāwili ʻana me ka wai ma kahi. Ma hope o ka hohola iki ʻana me kahi scraper, hiki ke loaʻa kahi ʻili kumu pālahalaha kiʻekiʻe. He wikiwiki ka wikiwiki o ka paʻakikī, a hiki iā ʻoe ke hele ma luna o ia mea i loko o 24 mau hola...E heluhelu hou aku»
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ʻO Hydroxyethylcellulose HEC kahi polymer wai-soluble non-ionic i hiki ke hoʻoheheʻe ʻia i ka wai wela a me ke anuanu. Loaʻa i ka moʻo Hydroxyethylcellulose HEC kahi ākea o nā viscosities, a ʻo nā hopena wai he mau wai ʻole-Newtonian āpau. ʻO Hydroxyethyl cellulose kahi mea hoʻohui koʻikoʻi i nā pr kemika o kēlā me kēia lā...E heluhelu hou aku»
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1. Ka Mana ʻAʻole hiki i ka hydroxypropyl methylcellulose kiʻekiʻe ke hana i ka cellulose kiʻekiʻe loa ma o ka hoʻomaʻemaʻe wale ʻana a me ke pani ʻana me ka naikokene. Eia nō naʻe, inā hiki ke hoʻokomo ʻia kahi mea ana oxygen trace i loko o ka ipuhao, hiki ke hoʻomalu ʻia ka hana ʻana o ka viscosity ma ke ʻano hana. 2. Ka hoʻohana ʻana o...E heluhelu hou aku»