Polyisocyanurate containing molding compositions

C - Chemistry – Metallurgy – 08 – G

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400/105, 402/132

C08G 18/10 (2006.01) C08F 299/02 (2006.01) C08G 18/63 (2006.01) C08G 18/83 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1126246

Abstract of the Disclosure Ethylenically unsaturated monomer solutions containing ethylenically unsaturated polyisocyanurate resins are thickened to moldable non-sticky gels by the formation in said solution of minor amounts of cross-linked polyurethane resin mixtures. These are made by the addition of polyisocyanates and certain low mole- cular weight polyols and urethane formation catalysts. When these moldable gels are fully cured, their physical properties are nearly equal to those cast from the ungelled polyisocyanurate monomer copolymer.

331563

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