High-density composite materials essentially based on...

C - Chemistry – Metallurgy – 08 – G

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400/5501, 18/689

C08G 18/79 (2006.01) C08G 18/10 (2006.01) C08G 18/12 (2006.01) C08G 18/48 (2006.01) C08G 18/66 (2006.01) C08J 5/08 (2006.01) C08K 3/00 (2006.01) C08K 7/02 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1299794

ABSTRACT OF THE DISCLOSURE High-density composite materials essentially based on polyisocyanurate, having a density equal to or higher than 500 kg/m3 and containing reinforcing fillers, in which the polyisocyanurate prepolymer derives from a repeating structural unit having the formula: Image (I) wherein at least one X represents group -R1-NCO and at least one X represents group -R1-NH-CO-OR2-(-OCO-NH-R1-NCO)n. The composite materials are useful in sheet moulding and other analogous techniques such as flow moulding and bulk moulding.

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