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US07612120B2 Insulation boards and methods for their manufacture 有权
绝缘板及其制造方法

Insulation boards and methods for their manufacture
摘要:
A method for producing polyisocyanurate insulation foams, the method comprising contacting an A-side stream of reactants that includes an isocyanate with a B-side stream of reactants that include a polyol and a blowing agent, where the blowing agent includes isopentane and n-pentane in a substantial absence of cyclopentane.
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