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1. Ngā ihirangi kaupapa me te whānuitanga o te tono Ka whakamāramahia e tēnei tikanga ngā taputapu me ngā mahi whakahaere mō te whakatau i te rere o te moata sima. Ka pā tēnei tikanga ki te whakatau i te rere o te moata o te sima Portland pungarehu puia, te sima Portland hiato, te sima Portland noa...Pānuihia atu»
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Ko te konutai carboxymethyl cellulose (CMC) he matū carboxymethylated o te cellulose, e mōhiotia ana ko te kapia cellulose, ā, koia te kapia cellulose ionic tino nui. Ko te CMC he matū polymer anionic i whiwhihia mā te tauhohenga i te cellulose taiao me te waikawa caustic me te waikawa monochloroacetic. Ko te ngota...Pānuihia atu»
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▲ Ko te Hydroxypropyl methyl cellulose (HPMC) he paura ma, kāore he kakara, kāore he reka, kāore he paitini. I muri i te rewa katoa ki te wai, ka hangaia e te hydroxypropyl methyl cellulose he kōroiti matotoru mārama. ▲ Ko ngā rauemi mata matua o te hydroxypropyl methyl cellulose (HPMC): te miro kua whakapaia, te methyl chloride, te...Pānuihia atu»
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He tohu nui te nui o te pungarehu mō te hydroxypropyl methylcellulose. He maha ngā kaihoko e pātai ana ina mārama ana rātou ki te hydroxypropyl methylcellulose: he aha te uara pungarehu? Ko te hydroxypropyl methylcellulose he iti te nui o te pungarehu he tikanga he teitei ake te parakore; ko te cellulose he nui te nui o te pungarehu he tikanga ko te...Pānuihia atu»
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Ko te uara pH whānui o ngā hua gypsum he waikawa, he koretake rānei. Ināianei e rua ngā momo hydroxypropyl methylcellulose kounga hanga kei te mākete: te cellulose puhoi-rewa me te cellulose inamata (S). Kāore te cellulose inamata e pai mō ngā pūnaha gypsum. Ngā hua, he tino ngoikore te wairewa...Pānuihia atu»
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Ko te pupuri wai mai i te Hydroxypropyl Methyl Cellulose tētahi o ngā āhuatanga nui o te Hydroxypropyl Methyl Cellulose. Ka pāngia te tere o te mimiti o te wai i roto i te moata sima me ngā hua gypsum e ngā āhuatanga pēnei i te pāmahana o te hau, te pāmahana me te tere o te pēhanga o te hau. Nō reira, i roto i...Pānuihia atu»
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I tēnei rā ka arotahi tātou ki te tāpiri i ngā momo whakamātotoru motuhake. Ko ngā momo whakamātotoru e whakamahia whānuitia ana ko te nuinga ko te kore-waro, te cellulose, te acrylic, me te polyurethane. Ko ngā mea kore-waro ko te nuinga ko te bentonite, te silicon kua kohuhia, me ētahi atu, e tāpirihia ana ki te paru mō te huri, nā te mea ...Pānuihia atu»
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Mō te Cellulose Ko te Cellulose he polysaccharide macromolecular i hangaia mai i te glucose. He nui te rahinga o tēnei i roto i ngā tipu matomato me ngā rauropi moana. Koinei te rauemi polymer taiao tino horapa me te nui rawa atu i roto i te taiao. He pai te hototahitanga ki te koiora, he whakahou ake, he pirau-koiora hoki, ā, he maha atu...Pānuihia atu»
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Ka hangaia te cellulose ether mai i te cellulose mā te tauhohenga etherification o tētahi, ētahi rānei o ngā kaihoko etherification me te huri maroke. E ai ki ngā hanganga matū rerekē o ngā whakakapinga ether, ka taea te wehewehe i ngā cellulose ether ki ngā ether anionic, cationic me te nonionic. Ko te cellulose ionic me ētahi atu...Pānuihia atu»
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E ai ki te pūrongo hou mai i IHS Markit, ko te whakamahinga o te ao o te cellulose ether—he pūmua wairewa-wai i hangaia mā te whakarerekētanga matū o te cellulose—e tata ana ki te 1.1 miriona tana i te tau 2018. O te katoa o te whakaputanga cellulose ether o te ao i te tau 2018, 43% i ahu mai i Āhia (79% i Haina...Pānuihia atu»
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(1) Tirohanga whānui o te mākete etera cellulose kore-ionic o te ao: Mai i te tirohanga o te tohatoha kaha whakaputa o te ao, 43% o te katoa o te whakaputanga etera cellulose o te ao i te tau 2018 i ahu mai i Āhia (ko Haina te 79% o te whakaputanga o Āhia), ko Ūropi ki te Hauāuru te 36%, ā, ko Amerika ki te Raki...Pānuihia atu»
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1) Ko te whakamahinga matua o te cellulose ether kai kounga Ko te cellulose ether he tāpiringa haumaru kai e mōhiotia ana, ka taea te whakamahi hei whakamātotoru kai, hei whakaū me te whakamātao hei whakamātotoru, hei pupuri wai, hei whakapai ake i te reka, me ētahi atu. He whānuitia te whakamahinga i roto i ngā whenua whakawhanake, ko te nuinga mō te kai tunua, te muka Huawhenua...Pānuihia atu»