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cloudiness is caused by two different molecular weight polymer mixture, i.e. one MW=30000, other is 100,000. therefore the refractive index is different, looks 变浑.
刚配制出来透明性很好,放置一天就变浑是: because you didn't kill the catalyst. you must kill the catalyst immediately after polymerize is complete.
if you have more questions please let me know.
做的单组份脱醇型硅树脂,用甲基三甲氧基硅烷做交联剂,钛酸酯类催化剂,刚配制出来透明性很好,放置一天就变浑是 |
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