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ʻO ka hopena mānoanoa o ka cellulose ether e pili ana i: ke kekelē o ka polymerization o ka cellulose ether, ka nui o ka hopena, ka wikiwiki o ka shear, ka mahana a me nā kūlana ʻē aʻe. ʻO ka waiwai gelling o ka hopena he mea kū hoʻokahi ia i ka alkyl cellulose a me kāna mau derivatives i hoʻololi ʻia. ʻO nā waiwai gelation he r...E heluhelu hou aku»
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1. Ka wela o ka hydration E like me ke kaʻina hoʻokuʻu o ka wela o ka hydration i ka hala ʻana o ka manawa, ua māhele pinepine ʻia ke kaʻina hydration o ka sima i ʻelima mau pae, ʻo ia hoʻi, ka wā hydration mua (0 ~ 15min), ka wā hoʻokomo (15min ~ 4h), ka wā wikiwiki a me ka hoʻonohonoho ʻana (4h ~ 8h), deceleration ...E heluhelu hou aku»
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I ka hoʻohana ʻana i nā mea hana hale, ʻo ka hydroxypropyl methylcellulose kahi mea hoʻohui mea hana hale i hoʻohana nui ʻia, a hoʻohana nui ʻia ka hydroxypropyl methylcellulose i ka ʻoihana a he ʻano like ʻole. Hiki ke hoʻokaʻawale ʻia ka Hydroxypropyl methylcellulose i ke ʻano wai anuanu koke a me ke ʻano hoʻoheheʻe wela, co...E heluhelu hou aku»
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I loko o ka putty, ka sima sima a me ka slurry gypsum-based, ʻo HPMC hydroxypropyl methylcellulose ether ke kuleana nui o ka paʻa ʻana o ka wai a me ka mānoanoa, a hiki ke hoʻomaikaʻi maikaʻi i ka hoʻopili ʻana a me ke kūpaʻa sag o ka slurry. ʻO nā mea e like me ka mahana o ka ea, ka mahana a me ka wikiwiki o ke kaomi makani e ...E heluhelu hou aku»
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ʻO Hydroxypropyl methyl cellulose (HPMC) kahi ʻano cellulose ether non-ionic i hana ʻia me ka pulupulu polymer kūlohelohe e kahi moʻo o nā lāʻau lapaʻau kemika. I ka ʻoihana kūkulu hale, he aha ka hoʻohana nui ʻana o ka hydroxypropyl methylcellulose? 1, sima mortar: e hoʻomaikaʻi i ke kiʻekiʻe o ka hoʻopuehu ʻana o ke one sima, g...E heluhelu hou aku»
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Hoʻokaʻawale ʻia e like me nā mea pani, hiki ke hoʻokaʻawale ʻia nā ethers cellulose i nā ethers hoʻokahi a me nā ethers hui pū ʻia; hoʻokaʻawale ʻia e like me ka solubility, hiki ke hoʻokaʻawale ʻia nā ethers cellulose i ka wai-soluble a me ka wai-insoluble. ʻO ke ʻano hoʻokaʻawale nui o ka cellulose ether ʻo ia ke hoʻokaʻawale e like me ka ioni...E heluhelu hou aku»
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1. ʻO ke ʻano a me ke kumumanaʻo hoʻomākaukau o ka cellulose ether Hōʻike ka Kiʻi 1 i ke ʻano maʻamau o nā cellulose ethers. Hoʻololi kēlā me kēia ʻāpana bD-anhydroglucose (ka ʻāpana hana hou o ka cellulose) i hoʻokahi hui ma nā kūlana C (2), C (3) a me C (6), ʻo ia hoʻi, hiki ke loaʻa a hiki i ʻekolu mau hui ether. Ma muli o ka ...E heluhelu hou aku»
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ʻO nā kumu nui no ka melemele ʻana o ka ʻili o ka putty pale wai Ma hope o ka noiʻi mea, ka nui o nā hoʻokolohua a me ka hana ʻenekinia, manaʻo ka mea kākau ʻo nā kumu nui no ka melemele ʻana o ka ʻili o ka putty pale wai penei: Kumu 1. Kalipuna...E heluhelu hou aku»
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1.Hydroxypropyl methyl cellulose ʻO ka Hydroxypropyl methylcellulose kahi ʻano cellulose nona ka hana a me ka hoʻohana ʻana e piʻi wikiwiki nei. He ʻenekini hui ʻole ʻia o ka cellulose non-ionic i hana ʻia mai ka pulupulu i hoʻomaʻemaʻe ʻia ma hope o ka alkalization, me ka hoʻohana ʻana i ka propylene oxide a me ka methyl chloride ma ke ʻano he etherification agent, ma o...E heluhelu hou aku»
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ʻO ka waiwai nui o ka hopena cellulose ether ʻo ia kona waiwai rheological. ʻO nā waiwai rheological kūikawā o nā cellulose ethers he nui e hoʻohana nui ʻia ai lākou i nā ʻano like ʻole, a ʻo ke aʻo ʻana i nā waiwai rheological he mea pono ia no ka hoʻomohala ʻana i nā kahua noi hou a i ʻole ka impro ...E heluhelu hou aku»
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He aha nā waiwai o ka carboxymethyl cellulose? Pane: Loaʻa i ka Carboxymethyl cellulose nā waiwai like ʻole ma muli o kona mau kekelē like ʻole o ka pani ʻana. ʻO ke kekelē o ka pani ʻana, i ʻike ʻia hoʻi ʻo ke kekelē o ka etherification, ʻo ia hoʻi ka helu awelika o H i loko o nā hui OH hydroxyl ʻekolu e hōʻike ana...E heluhelu hou aku»
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ʻO Carboxymethyl cellulose: Hana ʻia ka Ionic cellulose ether mai nā olonā kūlohelohe (pulupulu, a pēlā aku) ma hope o ka mālama ʻana i ka alkali, me ka hoʻohana ʻana i ka sodium monochloroacetate ma ke ʻano he etherification agent, a ke hana nei i kahi moʻo o nā mālama ʻana. ʻO ke kekelē o ka pani ʻana he 0.4 ~ 1.4, a he nui loa kāna hana ...E heluhelu hou aku»