Ko te tikanga, i roto i te whakahiato o te hydroxypropyl methylcellose, ka rongohia te conton miro i te 35 ° C mo te hawhe haora, ko te cellulise he tohu tohu. Whakanohia te muka Alkali ki te Kettletific ColleTif, taapiri i te Opylene Oxide me te methyl chloride, ka huri ki te 50-80 ℃ mo te 5 haora ki te nui o te 1.8 MPA. Na ka taapirihia he nui o te waikawa hydrochloric me te waikawa oxalic ki te wai wera i te 90 ° C kia horoia te rahi. Te mate me te centrifuge. Horoi tae noa ki te koretake, i te wa e iti iho te wai i roto i te 60%, maroke me te rere hau wera i te 130 ° C kia iti iho i te 5%.
Alkalization: Ko te miro i hangaia i muri i te whakatuwheranga o te miihini me te wai ngohengohe ki te pupuhi i te whakakii i te whakakakahu i nga mahi a te kaihoroi. Ko te alkali i whakamahia i roto i te alkalization ko te hydroxide whakarewa, he turanga kohinga ranei. Ko te nui o te alkali i tapiritia (ma te papatipu, ko te mea i raro) ko te 0.1-0.6 nga wa kua whakatauhia te miro, me te nui o te wai ngawari ko te 0.3-1.0 nga wa kua oti te whakarite; Ko te huringa INTER he ranunga waipiro me te hydrocarbon, a ko te nui o te whakarewa i te koretake e tapiritia ana ko te miro. 7-15 Times: Ka taea hoki e te waipiro whakarewa te waipiro me te 3-5 ngota waro (penei i te waipiro, prononol), acetone. Ka taea hoki e ia te ahua o te hydrocarbons me te hydrocarbons kakara; Me whakahaere te pāmahana i roto i te 0-35 ° C i te wa e whakarewaina ana; Ko te waa whakarewanga ko te 1hr. Ko te whakatikatika o te pāmahana me te waa ka whakatauhia kia rite ki nga whakaritenga o te rauemi me te hua.
Te Whakatakotoranga: I muri i te maimoatanga whakarewa, i raro i nga tikanga o te waatea, ka whakahaerehia te eterifif ma te taapiri i tetahi kaihoko whakarei, a ko te kaihoko a CAPYLENE. Hei whakaiti i te kohi o te kaihoko a te kaihoroi, ka tapiritia te kaihoko a te whakanekeneke i te waa o te kaupapa exteratic.
Te wa tuku: Feb-20-2025