Polyurethane cross-linking agents

C - Chemistry – Metallurgy – 08 – G

Patent

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402/137, 403/24

C08G 18/65 (2006.01) C08G 18/16 (2006.01) C08G 18/38 (2006.01) C08G 18/66 (2006.01)

Patent

CA 1081397

POLYURETHANE CROSS-LINKING AGENTS Abstract of the Disclosure - Polyurethane elastomers, low density high resiliency polyurethane foams and compositions and processes for preparing urethane foams and elastomers comprising reacting a mixture of a polyalkylene polyol having reactive hydrogen atoms as determined by the Zerewitinoff method exhibiting a molecular weight of at least 500, at least one organic polyisocyanate, and as a cross-linking agent at least one sulfur-containing polyamine compound exhibiting the formula: Image wherein R is a hydrocarbon, and R' is selected from the group consisting of hydrogen, halogens, and hydrocarbons. - 1 -

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