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5楼: Originally posted by onlywn at 2017-12-18 22:31:24
DMC   60℃脱水两个小时(通氮气),或者直接D4不脱水,然后加四甲基氢氧化铵,全程氮气真空,温度控制好(75℃~80℃),当碱胶先变稠再变稀最后透明就好了,氮气封存。实验室用的是稳压器电加热套加热,车间用600 ...

你好,我问一下,氮气是通入到液面之下还是就是常规的?
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11楼2022-09-30 11:10:59
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