Polyisocyanurate composition



Polyisocyanurate foam composition, articles comprising the composition and a method of making the composition are described. The polyisocyanurate foam composition comprises the reaction product of a polyisocyanate compound; and a first polyester polyol comprising the residue of orthophthalic acid; a second polyester polyol comprising the residue of terephthalic acid; at least one polyether polyol having a functionality of at least 3 and a hydroxyl number greater than 200; and a physical blowing agent, wherein the isocyanate index is greater than 250.




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Patent Citations (3)

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    CN-101735598-AJune 16, 2010拜尔材料科学股份公司Polyisocyanurate rigid foams and processes for their production and use
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    WO-2010088198-A1August 05, 2010Invista Technologies S.A.R.L.Board stock foam having biobased content

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