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Te Whakarōpūtanga o te Cellulose Ether Ko te cellulose ether he kupu whānui mō te raupapa o ngā hua i puta mai i te tauhohenga o te cellulose alkali me te kaihoko etherifying i raro i ētahi tikanga. Ina whakakapia te cellulose alkali ki ngā kaihoko etherifying rerekē, ka puta he cellulose ethers rerekē. Ac...Pānuihia atu»
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Ngā Āhuatanga Ā-tinana me te Matū o te Cellulose Hydroxyethyl Ngā Āhuatanga Āhua He mā ki te kōwhai mārama te muka, he paura rānei te āhua o tēnei hua, he totoka, kāore he paitini, kāore hoki he reka Te ira rewa 288-290 °C (iti) Te Matūtanga 0.75 g/mL i te 25 °C (marama) Te Wairewatanga Ka wairewa ki te wai. Kāore e wairewa ki te wairewa waro noa...Pānuihia atu»
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Ko te hydroxyethyl cellulose he matotoru waenga ki te tiketike o te cellulose ether, e whakamahia ana hei whakamātotoru me te whakaū mō ngā paninga wai-hāngai, inā koa ka teitei te matotoru rokiroki me te iti te matotoru tono. He ngawari te whakamarara i te cellulose ether ki te wai matao me te uara pH ≤ 7, engari ...Pānuihia atu»
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1 Kupu Whakataki He whānuitia te whakamahinga o te cellulose ether (MC) i roto i te umanga rauemi hanga whare, ā, he nui te whakamahinga. Ka taea te whakamahi hei aukati, hei pupuri wai, hei whakamātotoru me te whakapiripiri. I roto i te moata maroke-ranu noa, te moata whakamahana pakitara o waho, te moata whakataurite-ake, te whakapiripiri taera, te moata teitei-p...Pānuihia atu»
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Ko te paura pūmua ka taea te whakamarara anō ka kitea i roto i te hanganga hei rauemi whakamarumaru pakitara o waho. Ko te nuinga o te mea he mea hanga mai i ngā matūriki polystyrene me te paura pūmua, nō reira i tapaina ai mō tōna āhuatanga motuhake. Ko tēnei momo paura pūmua hanga he mea hanga mō te āhuatanga motuhake o ngā pūmua...Pānuihia atu»
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I muri i te tāpiri i te hydroxypropyl methylcellulose ki ngā rauemi sima, ka taea te whakamātotoru. Ko te nui o te hydroxypropyl methylcellulose e whakatau ana i te hiahia wai o ngā rauemi sima, nō reira ka pā ki te putanga o te moata. He maha ngā āhuatanga e pā ana ki te matotoru o te hydroxypropyl methylcellulose:...Pānuihia atu»
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I roto i te hanga pereki pakitara me te papa uku, ko te tāpiri i te kaihoko whakapakari tinana uku he huarahi whai hua hei whakapai ake i te kaha o te tinana, inā koa mō ngā pereki porcelain he nui ngā rauemi koretake, ā, he mārama ake tōna pānga. I ēnei rā, i te mea kei te piki haere te whakamahi i ngā rauemi uku kounga teitei...Pānuihia atu»
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Nā ngā āhuatanga pēnei i te pāmahana o te hau, te haumākū, te pēhanga hau, me te tere o te hau, ka pāngia te tere o te mimiti o te makuku i roto i ngā hua e hangai ana ki te gypsum. Nō reira, ahakoa kei roto i te moata whakataurite e hangai ana ki te gypsum, te caulk, te putty, te gypsum-based self-leveling, te hydroxypropyl methylcellulose ether (HPMC) rānei...Pānuihia atu»
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1. Rauemi mata o te cellulose ether Ko te cellulose ether mō te hanga he polymer wai-rewa kore-ionic ko tōna pūtake ko: Cellulose (penu rakau, miro miro rānei), ngā warowaihā halogenated (methane chloride, ethyl chloride me ētahi atu halide mekameka roa rānei), ngā matū epoxy (ethylene oxide, propylene oxi...Pānuihia atu»
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Te moata hydroxypropyl methylcellulose – te moata pereki Whakarei ake i te piri ki te mata pereki, me te whakanui ake i te pupuri wai, kia taea ai te whakapai ake i te kaha o te moata. He pai ake te hinu me te kirihou hei whakapai ake i ngā āhuatanga tono, he māmā ake te tono ka penapena i te wā me te whakapai ake...Pānuihia atu»
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Ko te Hydroxypropyl methylcellulose, e kiia nei ko: HPMC, MHPC rānei. He paura mā, he paura mā-parauri rānei te āhua; ko te whakamahinga matua he mea whakamarara i roto i te hanga o te polyvinyl chloride, ā, koia te kaiāwhina matua mō te whakarite i te PVC mā te whakapūhui whakatārewatanga. I roto i te tukanga hanga...Pānuihia atu»
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Ko te cellulose ether he kupu whānui mō te raupapa o ngā hua i puta mai i te tauhohenga o te cellulose alkali me te kaihoko etherifying i raro i ētahi tikanga. Ka whakakapia te cellulose alkali ki ngā kaihoko etherifying rerekē hei whiwhi i ngā cellulose ethers rerekē. E ai ki te ionization pr...Pānuihia atu»