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Tohu matauranga mo te hydroxyethyl cellulose (hec Cas: 9004-62-0)

Tohu:Ko te Cellroxyethyl Cellulose (Hec Cas: 9004-62-0) he ma, he kowhai ranei, he kakara, he ngoikore noa te paura. Ko te whakarewa i roto i te wai makariri me te wai wera, engari te nuinga o te waa i roto i te nuinga o nga whakarewa rauropi. Ka huri te uara pH i roto i te whānuitanga o te 2-12, engari ko te ahuareka, ka heke ke atu i tenei awhe.

Wāriu:Ko te CellDroxyethyl Cellulose (Hec Cas: 9004-62-0) he matotoru te whakamahi mo te cellulose ete ana i te wai-wai-i runga i te wai. Ko te pūhui kore-whakarewa-wai e tino kaha ana ki te wai, ka taea te whakaheke i te hāora, te waikawa, me te whaaia, a ka taea te whiti e Cu2 + i raro i nga tikanga o te Alkaline. He pumau tonu, kaore e puta te gel i te wa e whakawera ana, kaore e raru i raro i nga tikanga waikawa, he pai nga taonga-kiriata. Ko tana otinga wai ka taea te whakarite ki nga kiriata maamaa, ka taea te hanga i te mahi a te Alkaline Cellulose me te Chemicalbook Open, he taapiri, te aukati i te hinu, te pupuri i te makuku, te aukati i te makuku, te aukati i te makuku. Ko te mahi o nga matotoru i roto i nga raarangi-wai ka whakaitihia. Ko te taapiri i nga matotoru ki te waituhi ka whakapiki i tana tirohanga, ka taea e te whakapai ake i te pumau o te tinana me te matū o te mangumangu; Na te nui o te tirohanga o te tirohanga, ka taea te whakahaere i te kaupapa o te mangumangu i te wa e tarai ana; Ko te poaka me te whakakii i te mangumangu ehara i te mea ngawari ki te whakaheke, te whakapiki ake i te pumau o te rokiroki i te waituhi-wai.

Tikanga whakaputa: Ko te Cellulose te alkali he polymer taiao e toru nga roopu hydroxyl i ia mowhiti turanga muka. Ko te roopu hydroxyl tino kaha ki te whakaputa i te cellloxyetyl ​​cellulose. Whakanohia te kaakahu mata, te penupenu ranei i tukuna i te 30% o te alkali wai, ka kawe ki te peehi i muri i te hawhe haora. Press Press kia tae noa ki te ihirangi wai e tae ana ki te 1: 2.8, ka pakaru. Ko te cellulose alkali kua werohia ki roto i te kaiwhakanao, hiri, ururua, ka whakakiia ki te hauota. Ko te pukapuka chemical i whakamutua, ka ki tonu i te hauota hei whakakapi i te hau katoa i te kaiwhakanao. Press i roto i te wai whakahekeheke i mua i te wai, ka huri te wai ki te koti o te reeti, me te whakahaere i te pāmahana tauhohenga ki te 25 ℃ kia whiwhi i tetahi hua hydrooxyety celllose. Ka horoia te hua kino ki te waipiro, kua kore me te waikawa acetic ki te pH 4-6, ka hono atu ki te glyoxal mo te koroheketanga. Kātahi ka horoi ki te wai, centrifuge, te mate, maroke, me te huri ki te tiki i te cellulose hydroxyetyl.

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Te wa tuku: Mar-28-2023