e****s 发帖数: 23 | 1 Need some contact lens prepolymer for my work, but couldn't find a
commercial source.
If someone knows a good source, please help.
Many thanks, |
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e****s 发帖数: 23 | 2 Need some contact lens prepolymer for my work, but couldn't find a
commercial source.
If someone knows a good source, please help.
Many thanks, |
|
b**s 发帖数: 589 | 3 Try polyurethane, it can be 绍氏 〉85
prepolymer + MOCA
transfer |
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b**********e 发帖数: 531 | 4 刚到公司工作,公司现在的聚氨酯产品(TDI-polyether prepolymer cured by
diamine)光照变黄。不只是什么原因?好像看到有的文献说是因为aromatic
isocyanate 的原因, 但也没有具体说,而且也没有说变色机理。i dont have any
urethane experience, any body can help? |
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