Heat curable solventless liquid prepolymer

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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Details

526259, 526262, 526304, 548473, C08F22048, C08F22238, C08F22240

Patent

active

045295581

ABSTRACT:
A heat curable, solventless liquid prepolymer formed from an N-(R-oxymethyl) acrylamide; a rubber monomer such as isoprene, butadiene or alkyl esters of acrylic acid; and a nitrile monomer such as acrylonitrile or methacrylonitrile. The prepolymer is formed with sufficient chain transfer agent to establish a weight average molecular weight which is less than about 25,000. The prepolymer is heat curable to form a solid polymer with excellent compression set, tensile strength and fuel resistance. The method of formulating these polymers is also disclosed.

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