Polyurethane-based friable sealing compound

Details Polyurethane-based friable sealing compound Polyurethane-based friable sealing compound

C - Chemistry, Metallurgy

08

G

C08G 18/36 (2006.01) C08G 18/58 (2006.01) C08G 18/78 (2006.01) C08G 18/79 (2006.01) H01B 3/30 (2006.01)

Patent

CA 2094297

A polyurethane friable sealing compound free of solvent and plasticizer having a shore A hardness of below 40 and consisting essentially of a polyol component and an isocyanate component. The polyol component is selected from modified triglycerides obtained by partial ring opening of epoxidized triglycerides of a fatty acid mixture containing olefinically unsaturated fatty acids and monohydric or polyhydric alcohols. The isocyanate component is selected from polyfunctional aromatic and aliphatic isocyanates, wherein the OH: NCO equivalent ratio is from 1:0.1 to 1:1.5.

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