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DOUBLEKILLMO

金虫 (小有名气)

引用回帖:
8楼: Originally posted by hukingone at 2016-03-10 21:32:03
你好,我们老师让做无支撑面膜,我查到聚乙烯醇有很好的成膜性,有的面膜里面也有这个成分,请问怎么制备水溶液下是粘稠状,而弄出来室温几分钟后成为弹性膜呀,急求hand:
...

有pva成膜工艺的详细步奏吗?我也想要啊
11楼2016-05-19 23:03:48
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sun122186

新虫 (初入文坛)

???????????N?????????????????????pva???w?S??????????????}???鵽???Q???????????????

????С???IOS?????
12楼2016-06-15 15:01:43
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