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1. Te hanganga me te kaupapa whakarite o te cellulose ether E whakaatu ana te Pikitia 1 i te hanganga noa o ngā cellulose ether. Ka whakakapia e ia wae bD-anhydroglucose (te wae tāruarua o te cellulose) tētahi rōpū i ngā tūranga C (2), C (3) me C (6), arā, ka taea te whai rōpū ether tae atu ki te toru. Nā te ...Pānuihia atu»
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Ko ngā take matua mō te kōwhai o te mata o te putty ātete-wai Whai muri i te rangahau rauemi, he maha ngā whakamātautau me te mahi hangarau, e whakapono ana te kaituhi ko ngā take matua mō te kōwhai o te mata o te putty ātete-wai koia ēnei: Take 1. Konupūmā...Pānuihia atu»
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1. Hydroxypropyl methyl cellulose Ko te Hydroxypropyl methylcellulose he momo cellulose e tere piki haere ana te putanga me te whakamahinga. He cellulose kore-ionic i konatunatua ki te ether i hangaia mai i te miro kua whakatikatikaina i muri i te alkaliization, ma te whakamahi i te propylene oxide me te methyl chloride hei kaihoko etherification, mā roto...Pānuihia atu»
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Ko te āhuatanga tino nui o te otinga cellulose ether ko tōna āhuatanga rheological. Nā ngā āhuatanga rheological motuhake o te maha o ngā cellulose ethers ka whakamahia whānuitia i roto i ngā momo mara, ā, he pai te ako i ngā āhuatanga rheological ki te whakawhanake i ngā mara tono hou, ki te whakapai ake rānei...Pānuihia atu»
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He aha ngā āhuatanga o te carboxymethyl cellulose? Whakautu: He rerekē anō hoki ngā āhuatanga o te carboxymethyl cellulose nā ōna nekehanga rerekē o te whakakapinga. Ko te nekehanga o te whakakapinga, e mōhiotia ana ko te nekehanga o te etherification, ko te tikanga ko te maha toharite o te H i roto i ngā rōpū OH hydroxyl e toru e tohu ana...Pānuihia atu»
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Carboxymethyl cellulose: He mea hanga te cellulose ether ionic mai i ngā muka taiao (miro, me ētahi atu) i muri i te maimoatanga alkali, te whakamahi i te konutai monochloroacetate hei kaihoko etherification, me te whai i te raupapa o ngā maimoatanga tauhohenga. Ko te nui o te whakakapinga he 0.4 ~ 1.4, ā, he tino pai tana mahi...Pānuihia atu»
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Ko te Ethyl cellulose (Ethyl cellulose ether), e mōhiotia ana ko te cellulose ether, e kiia nei ko te EC. Te hanganga ngota me te tauira hanganga: [C6H7O2(OC2H5)3] n. 1. Te Whakamahinga He mahi a tēnei hua ki te hono, ki te whakakī, ki te hanga kiriata, me ētahi atu. Ka whakamahia mō ngā kirihou hanga kapia, ngā paninga, ngā mea rapa...Pānuihia atu»
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(1) Ngā arai hangarau He nui ake ngā whakaritenga a ngā kaihoko o raro o te cellulose ether mō te kounga me te pumau o te cellulose ether. He arai hangarau nui te hangarau whakahaere kounga i roto i te umanga cellulose ether. Me matatau ngā kaihanga ki te hoahoa ōrite o te mahi...Pānuihia atu»
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Whakaahuahia: Ngā hanganga kai kei roto ngā etera cellulose. Marae hangarau: E pā ana tēnei mahi auaha ki ngā hanganga kai kei roto ngā etera cellulose. Tikanga papamuri: Kua roa e mōhiotia ana te whakauru i ngā etera cellulose ki roto i ngā hanganga kai, inā koa ngā hanganga kai tukatuka, ...Pānuihia atu»
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1. Ngā āhuatanga pai (1) Tautoko kaupapa here Hei rauemi hou e ahu mai ana i te koiora me te rauemi matomato me te hoa taiao, ko te whakamahinga whānui o te cellulose ether i roto i te mara ahumahi ko te ia whanaketanga o te hanga i tētahi hapori hoa taiao me te penapena rauemi a meake nei. Ko te d...Pānuihia atu»
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Ko te paura putty te nuinga o te wā he mea hanga mai i ngā matū hanga kiriata (ngā rauemi here), ngā whakakī, ngā kaihoko pupuri wai, ngā mea whakamātotoru, ngā mea whakakore pahuka, me ētahi atu. Ko ngā rauemi mata matū waro noa i roto i te paura putty ko: te cellulose, te māngaro kua whakakīia ki mua, te māngaro ether, te waipiro polyvinyl, te rapa whakarewa...Pānuihia atu»
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1. He aha te whakamahinga matua o te hydroxypropyl methylcellulose (HPMC)? He whānuitia te whakamahinga o te Hydroxypropyl methylcellulose i roto i ngā rauemi hanga, ngā paninga, ngā kapia hangai, ngā uku, ngā rongoā, ngā kai, ngā kakahu, ngā ahuwhenua, ngā mea whakapaipai, ngā tupeka me ētahi atu ahumahi. Ka taea e te Hydroxypropyl methylcellulose ...Pānuihia atu»