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 原料配比原料配比(質(zhì)量份)聚乙烯醇稀釋液纖維素稀釋液立德粉滑石粉輕質(zhì)碳酸鈣甲醛鹽酸氫氧化鈉尿素1535550.001~0.0050.001~0.0050.001~0.0050.001~0.005制備方法首先將1份聚乙烯醇與15份水調(diào)成聚乙烯醇稀釋液,再將纖維素1份與30份水調(diào) (共 578 字) [閱讀本文] >>