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ʻO ka pauka polymer hiki ke hoʻoheheʻe hou ʻia he pauka hoʻopuehu i hana ʻia e ka hoʻomaloʻo ʻana o ka emulsion polymer i hoʻololi ʻia. Loaʻa iā ia ka redispersibility maikaʻi a hiki ke hoʻoheheʻe hou ʻia i loko o kahi emulsion polymer paʻa ma hope o ka hoʻohui ʻana i ka wai. Ua like loa ka hana me ka emulsion mua. ʻO ka hopena, hiki ke...E heluhelu hou aku»
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ʻO nā huahana pauka polymer redispersible he mau pauka redispersible wai-soluble, i māhele ʻia i nā copolymers ethylene/vinyl acetate, vinyl acetate/tertiary ethylene carbonate copolymers, acrylic copolymers, etc. agent, me ka polyvinyl alcohol ma ke ʻano he colloid pale. Hiki ke hoʻopau koke ʻia kēia pauka...E heluhelu hou aku»
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Aia nā monosodium glutamate ʻoihana, carboxymethyl cellulose, hydroxypropyl methyl cellulose, a me hydroxyethyl cellulose, ʻo ia nā mea i hoʻohana nui ʻia. Ma waena o nā ʻano cellulose ʻekolu, ʻo ka mea paʻakikī loa e hoʻokaʻawale ʻo ia ka hydroxypropyl methylcellulose a me ka hydroxyethyl cellulose. E hoʻokaʻawale kākou...E heluhelu hou aku»
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Ua māhele ʻia ʻo Hydroxypropyl methylcellulose i ʻelua ʻano: ke ʻano hoʻoheheʻe wela maʻamau a me ke ʻano wai anuanu koke. Hoʻohana ʻo Hydroxypropyl methylcellulose 1. Gypsum series I nā huahana gypsum series, hoʻohana nui ʻia nā cellulose ethers e mālama i ka wai a hoʻonui i ka laumania. Hāʻawi pū lākou i kahi hōʻoluʻolu....E heluhelu hou aku»
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He mea maka i hoʻohana nui ʻia ka Hydroxypropyl methylcellulose. ʻOi loa aku hoʻi i ka hoʻohana ʻana i ka pauka putty. Nui nā waiwai huahana e like me: ke kūpaʻa paʻakai, ka hana ʻili, ka gelation thermal, ka paʻa PH, ka paʻa ʻana o ka wai, ka hoʻopili ʻana, a me nā mea ʻē aʻe. Eia nō naʻe, he mea maʻalahi hoʻi ka hydroxypropyl methylcellulose i...E heluhelu hou aku»
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ʻAno a me nā waiwai o HPMC: pauka fibrous a granular paha keʻokeʻo a keʻokeʻo paha Density: 1.39 g/cm3 Solubility: aneane hiki ʻole ke hoʻoheheʻe ʻia i ka ethanol piha, ether, acetone; pehu ʻana i loko o kahi hopena colloidal maopopo a ʻā iki paha i ka wai anuanu HPMC Stability: He lapalapa ka mea paʻa a kūpono ʻole me ...E heluhelu hou aku»
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He mea nui loa ka helu viscosity o ka hydroxypropyl methylcellulose. ʻAʻole hōʻike ka viscosity i ka maʻemaʻe. Pili ka viscosity o ka cellulose HPMC i ke kaʻina hana. Pono nā ʻano hoʻohana like ʻole e koho i ka cellulose HPMC me nā viscosities like ʻole, ʻaʻole ke kiʻekiʻe o ka vi...E heluhelu hou aku»
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He aha ka ʻokoʻa ma waena o ka hydroxypropyl methylcellulose (HPMC) me a me ka ʻole o S? 1. Ua māhele ʻia ka HPMC i ke ʻano koke a me ke ʻano hoʻopuehu wikiwiki ʻO ke ʻano hoʻopuehu wikiwiki HPMC ua hoʻopau ʻia me ka leka S. I ka wā o ke kaʻina hana, pono e hoʻohui ʻia ka glyoxal. ʻAʻole hoʻohui ka ʻano koke HPMC i kekahi...E heluhelu hou aku»
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ʻO ka mānoanoa haʻahaʻa HPMC: Hoʻohana nui ʻia ka HPMC 400 no ka mortar leveling ponoʻī, akā lawe ʻia mai. Kumu: Haʻahaʻa ka mānoanoa, ʻoiai ʻaʻole maikaʻi ka paʻa ʻana o ka wai, akā maikaʻi ka leveling, a kiʻekiʻe ka nui o ka mortar. ʻO ka mānoanoa waena a me ka haʻahaʻa: hydroxypropyl methylcellulose HPMC 20000-40000 ...E heluhelu hou aku»
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Pulupulu i hoʻomaʻemaʻe ʻia—wehe—alkalizing—etherifying—neutralizing—hoʻokaʻawale—holoi—hoʻokaʻawale, hoʻomaloʻo—pulverizing—hoʻopili—wehe ʻana o ka pulupulu i hoʻopau ʻia: ua wehe ʻia ka pulupulu i hoʻomaʻemaʻe ʻia e wehe i ka hao, a laila pulverized. ʻO ke ʻano o ka pulupulu i hoʻomaʻemaʻe ʻia i pulverized ʻia he pauka, a ʻo kona nui ʻāpana he 80 mesh ...E heluhelu hou aku»
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No ka ʻōnaehana hoʻopaʻa paia waho, ʻo ia hoʻi ka mortar hoʻopaʻa o ka papa hoʻopaʻa a me ka mortar palaki e pale ana i ka ʻili o ka papa hoʻopaʻa. Pono ka mortar hoʻopaʻa maikaʻi e maʻalahi ke hoʻoulu, maʻalahi e hana, ʻaʻole e pipili i ka pahi, a he anti-sag maikaʻi. ef...E heluhelu hou aku»
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He mea maka maʻamau ka Hydroxypropyl methylcellulose i ka ʻoihana kemika mea kūkulu hale. I ka hana ʻana i kēlā me kēia lā, lohe pinepine mākou i kona inoa. Akā, ʻaʻole ʻike ka poʻe he nui i kona hoʻohana ʻana. I kēia lā, e wehewehe wau i ka hoʻohana ʻana o ka hydroxypropyl methylcellulose i nā wahi like ʻole. 1. Kūkulu ...E heluhelu hou aku»