Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1984-12-07
1986-03-18
Cockeram, Herbert S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525920, 528 75, C08G 1862, C08G 1863, C08F28304
Patent
active
045769982
ABSTRACT:
Vinyl urethane composite polymers are prepared by reacting a vinyl monomer, a polyahl, and a polyisocyanate in the presence of a vinyl-terminated urethane oligomer in specified proportions. The oligomer provides significantly improved impact strength and elongation to the composite. The composite is useful in preparing molded materials such as furniture and machine components.
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Ellerbe, III Gilbert B.
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Cockeram Herbert S.
Cohn Gary C.
The Dow Chemical Company
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