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01. Te whakaurunga o te cellulose He polysaccharide macromolecular te cellulose he mea hanga mai i te glucose. Kāore e rewa i roto i te wai me ngā whakarewa rauropi whānui. Koinei te wāhanga matua o te pakitara pūtau tipu, ā, koinei hoki te polysaccharide tino horapa me te tino nui i roto i te taiao. Ko te cellulose te mea tino...Pānuihia atu»
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I roto i te moata kua oti te whakaranu, mena ka taea e te iti o te cellulose ether te whakapai ake i te mahi a te moata mākū, ka kitea ko te cellulose ether te tāpiri matua e pā ana ki te mahi hanga o te moata. "Ko te kōwhiringa o ngā momo rerekē, ngā matotoru rerekē, ngā rerekētanga...Pānuihia atu»
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Ko te moata whakamahana wera EPS he rauemi whakamahana wera māmā e konatunatua ana ki ngā here kore-waro, ngā here waro, ngā ranunga tāpiri, ngā tāpiringa me ngā konganuku māmā i roto i tētahi ōwehenga. I roto i ngā moata whakamahana wera EPS e rangahauhia ana, e whakamahia ana hoki i tēnei wā, ka taea te hangarua...Pānuihia atu»
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He pūhui hanga-haurua kore-ionic te cellulose ether, he wairewa-wai, he wairewa-whakarewa hoki. He rerekē ngā pānga o tēnei ki ngā ahumahi rerekē. Hei tauira, i roto i ngā rauemi hanga matū, ko ēnei ngā pānga whakakotahi: ①Kaipupuri wai ②Whakamātotoru ③Whakataurite ④Te hanganga kiriata...Pānuihia atu»
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Papamuri Rangahau Hei rauemi taiao, nui, ā, ka taea te whakahou, he nui ngā wero o te cellulose i roto i ngā mahi mahi nā te mea kāore e rewa me te iti o te wairewa. Ko te kaha o te tioata me ngā hononga hauwai matotoru i roto i te hanganga cellulose ka pirau engari kāore...Pānuihia atu»
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Hei ranunga tino nui i roto i te hanga hua moata maroke-whakaranu, he mahi nui tā te cellulose ether ki te mahi me te utu o te moata maroke-whakaranu. E rua ngā momo cellulose ether: ko tētahi he ionic, pērā i te sodium carboxymethyl cellulose (CMC), ko tētahi he kore-ionic, pērā i te methyl ...Pānuihia atu»
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He pūhui hanga-haurua kore-ionic te cellulose ether, he wairewa-wai, he wairewa-whakarewa hoki. He rerekē ngā pānga o tēnei ki ngā ahumahi rerekē. Hei tauira, i roto i ngā rauemi hanga matū, ko ēnei ngā pānga whakakotahi: ① kaihoko pupuri wai ② whakamātotoru ③ āhuatanga whakataurite ④ kiriata-...Pānuihia atu»
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He rerekē anō hoki ngā pānga o te whakapai ake i ngā āhuatanga o te moata. I tēnei wā, he ngoikore te mahi pupuri wai o te nuinga o ngā moata pereki me te parai, ā, ka wehe te paru wai i muri i ētahi meneti o te tūnga. Nō reira, he mea tino nui te tāpiri i te cellulose ether ki roto i te moata sima. Me ...Pānuihia atu»
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Ko te cellulose ether he pūhui ngota ngota teitei kore-ionic, he wairewa-wai, he wairewa-whakarewa hoki. He rerekē ngā pānga o tēnei ki ngā ahumahi rerekē. Hei tauira, i roto i ngā rauemi hanga matū, ko ēnei ngā pānga whakakotahi: ①Kaihoko pupuri wai ②Kaiwhakamātotoru ③Te tautoko whakataurite...Pānuihia atu»
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Ko te Hydroxypropyl methylcellulose he ether cellulose kore-ionic i tangohia mai i te miro kua parakoretia, he rauemi polymer tūturu, mā roto i te raupapa o ngā tukanga matū. E whakamahia ana i roto i te umanga hanga: paura putty ātete-wai, whakapiri putty, putty whakamaroke, kāpia peita, moata parai pereki...Pānuihia atu»
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1. Ka tere te maroke o te paura putty Whakautu: E pā ana tēnei ki te tāpiri o te konupūmā pungarehu me te tere pupuri wai o te muka, ā, e pā ana hoki ki te maroke o te pakitara. 2. Ka tihore te paura putty, ka hurihuri Whakautu: E pā ana tēnei ki te tere pupuri wai, he mea ngāwari ki te puta ina ...Pānuihia atu»
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Methylcellulose (MC) Ko te tātai ngota o te methylcellulose (MC) ko: [C6H7O2(OH)3-h(OCH3)n\]x Ko te tukanga whakaputa he hanga cellulose ether mā roto i tētahi raupapa o ngā tauhohenga i muri i te rongoā o te miro kua whakapaia ki te kawakore, me te whakamahi i te methyl chloride hei kaihoko etherification. I te nuinga o te wā, ko te degr...Pānuihia atu»