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frighter24

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[求助] 甲基乙烯基硅橡胶

我用四甲基氢氧化铵作催化剂,原料为DMC、乙烯基四环体,封端剂为MD4M做甲基乙烯基硅橡胶生胶的时候,发现做出来的生胶摸上去有点粘手,而其他厂家卖出来的生胶却没有这种现象,这是什么因素造成的?那位大侠可以帮我解惑一下,感激不尽!原料配比DMC:乙烯基四环体:MD4M:Me4NOH=100:0.17:0.02:0.03,反应温度120度,通N2
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black_mamba

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粘手?楼主做出来的生胶分子量大概是多少,一般生胶分子量低于45万确实是有点粘手的
2楼2013-05-11 20:29:08
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