发明授权
US08119799B2 Method for the production of polyisocyanates comprising isocyanurate groups and use therof 有权
用于生产包含异氰脲酸酯基团的多异氰酸酯的方法,并使用该方法

Method for the production of polyisocyanates comprising isocyanurate groups and use therof
摘要:
The present invention relates to novel catalysts for preparing polyisocyanates having isocyanurate groups by a partial trimerization of (cyclo)aliphatic diisocyanates.
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