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US08148440B2 Process for making rigid urethane-modified polyisocyanurate foams 有权
制备刚性氨基甲酸酯改性聚异氰脲酸酯泡沫的方法

Process for making rigid urethane-modified polyisocyanurate foams
Abstract:
Process for preparing rigid urethane-modified polyisocyanurate foams from polyisocyanates and polyfunctional isocyanate-reactive components in the presence of a blowing agent, a metal salt trimerisation catalyst and a functionalised carboxylic acid.
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