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Kei te mohio koe ki te hydroxypropyl methylcellulose?

Ko te Hydroxypropyl methylcellulose e whakamahia nuitia ana i roto i te ahumahi hanga. I tenei ra, ka whakauruhia e ahau te tikanga whakakore o te hydroxypropyl methylcellulose me pehea te whakatau i te kounga o te hydroxypropyl methylcellulose.

Te tikanga mo te whakakore i te hydroxypropyl methylcellulose:

Ka taea te taapiri i nga tauira katoa ki te rauemi ma te whakaranu maroke;

A, no te me te reira ki te tāpiri tika ki te otinga aqueous pāmahana noa, he pai ki te whakamahi i te momo whakamararatanga wai matao, a ka taea te matotoru i roto i te 10-90 meneti i muri i te tāpiri;

I muri i te whakakorikori me te whakamarara ki te wai wera mo te momo noa, taapirihia te wai matao me te whakaoho kia memeha;

Mena he agglomeration me te paninga i te wa e memeha ana, na te iti o te whakakorikori, te taapiri tika ranei o te wai matao ki nga tuhinga noa. I tenei wa, me tere te whakaoho;

Mena ka puta nga mirumiru i te wa o te whakakorenga, ka taea te waiho kia tu mo te 2-12 haora (kua whakatauhia kia rite ki te rite o te otinga) ka tangohia ranei ma te wehe, te pehanga, me etahi atu, ka taea hoki te taapiri i te nui o te defoamer.

Me pehea te whakatau i te kounga o te hydroxypropyl methylcellulose ngawari me te ngawari

Te Maama: E ai ki te ma, kaore e taea te whakatau mena ka taea te whakamahi noa te HPMC, a mena ka taapirihia nga maaka ma i roto i te mahinga whakaputa, ka pa ki tona kounga. Heoi, he pai te nuinga o nga hua ma te ma.

Te Maamaa: Ko te HPMC he 80 mata, 100 mata, 120 mata, ka pai ake te pai ka pai ake.

Tukunga: hoatu te HPMC ki roto i te wai kia hanga he colloid maramara, me te titiro ki tona tukunga. Ko te nui ake o te whakawhiti, ka iti ake nga matū kore e rewa i roto i te wai. Ko te tikanga, he pai ake te whakawhiti i roto i nga reactor poutū me nga reactors whakapae. He kino ake i roto i te reactor poutū, engari e kore e taea te whakamarama he pai ake te kounga o te hua i mahia e te reactor poutū i to te reactor whakapae.

Te taumahatanga: I te nuinga o te waa, na te nui o te hydroxypropyl, he pai te paanga o te pupuri wai.


Wā tuku: Nov-17-2022
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