Compositions containing epoxidized monohydroxylated diene polyme

Details Compositions containing epoxidized monohydroxylated diene polyme Compositions containing epoxidized monohydroxylated diene polyme

1995-05-17

1996-03-19

Sellers, Robert E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 92M, C08L 5300, C08L 5302, C08L 6128, C08L 6124

Patent

active

055004814

ABSTRACT:
A crosslinkable composition comprising from 30 to 90 percent by weight of an epoxidized monohydroxylated polydiene polymer which is comprised of at least two polymerizable ethenically unsaturated hydrocarbon monomers wherein at least one is a diene monomer which yields unsaturation which is suitable for epoxidation, 8 to 60 percent by weight of an amino resin crosslinking agent, and 2 to 40% by weight of a reinforcing agent. The invention also encompasses a process to make such compositions by prereacting the three components with a small portion of the crosslinking catalyst required to crosslink the composition for 0.5 to 10 hours at 60.degree. to 120.degree. C. The preferred polymer for use herein has the formula

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"Vinyl Ethers: Versatile Monomers for Coatings Applications," W. J. Burlant, J. S. Plotkin, F. J. Vara, International Specialty Products, RadTech Asia '91, Osaka, Japan, Apr. 1991.

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