Polybutadiene compositions, methods, and articles
AssigneeSartomer Technology Company, Inc.
InventorsSteven K. Henning, Jeffrey Klang, Richard Costin
Life of this patent
Estimating the term…
Abstract
Terminally-functional low molecular weight alkoxylated polybutadiene (meth)acrylates are used to improve the physical properties of elastomeric compositions cured in the presence of at least one free-radical generating compound selected from peroxides, percarbonates or azo compounds. The elastomers are natural or synthetic, or mixtures thereof. Reinforcing fillers may also be present. Preferred alkoxylated polybutadiene (meth)acrylates are of Formula I wherein R is H, Me, Et or C6H5; R″ is H or Me; R″ is H or Me; n=1 to 100; and Z=1 to 3.
Claims14
A composition comprising by weight 100 parts of one or more elastomers;
- about 1 to 40 parts of one or more terminally-functional alkoxylated polybutadiene (meth)acrylate coagents;
- and optionally up to 200 parts by weight filler.
A method comprising adding from 1 to 40 parts of a coagent comprising at least one terminally-functional polybutadiene acrylate and/or methacrylate and a free radical generating curing agent to 100 parts of one or more elastomers and vulcanizing in the presence of a free radical generating compound.
Dependencies are inferred from the claim text.