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全部话题 - 话题: prepolymer
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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,
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
来自主题: Macromolecules版 - need help on crosslink polymer
Try polyurethane, it can be 绍氏 〉85
prepolymer + MOCA

transfer
b**********e
发帖数: 531
4
来自主题: Macromolecules版 - polyurethane color change under light, why?
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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