Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1982-04-12
1985-06-25
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525530, C08F28310, C08G 5916
Patent
active
045255440
ABSTRACT:
Vinyl ester resins are prepared from epoxy resins and an adduct of (1) alpha, beta ethylenically unsaturated acids or anhydrides containing 4 or 5 carbon atoms; (2) an unsaturated hydrocarbon selected from dimers, codimers, oligomers and cooligomers of dienes containing 4 to 6 carbon atoms; (3) if component (1) is an anhydride, water, and optionally; (4) isomerization catalysts or reactants that cause isomerization; (5) monofunctional acids selected from acrylic acid or methacrylic acid; and (6) alpha, beta ethylenically unsaturated anhydrides containing 4 or 5 carbon atoms.
REFERENCES:
patent: Re30583 (1981-04-01), Nelson
patent: 3632861 (1972-01-01), Hargis, Jr.
patent: 3793285 (1974-02-01), Koss
patent: 4148765 (1979-04-01), Nelson
patent: 4167542 (1979-09-01), Nelson
patent: 4310647 (1982-01-01), Zacharias
Lamont Mary H.
Nelson Donald L.
Bleutge John C.
Carter J. G.
Sellers II Robert E. L.
The Dow Chemical Company
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