Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1994-02-10
1995-06-27
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523454, 523455, 523463, 524315, 524317, 524361, 524365, 525117, 525119, 525174, 525207, 525221, 5253297, 525488, 525533, C08K 511, C08K 501, C08L 6302, C08L 3314
Patent
active
054280826
ABSTRACT:
Compositions of coreactant resins, such as an epoxy resin, and polyanhydrides that contain non-cyclic anhydride moieties are cured to provide coatings that have good exterior durability. Preferred high molecular weight polyanhydrides contain a central polymer moiety that has no more than about 25 weight percent repeating units derived from unsaturated aliphatic hydrocarbon monomers. In other preferred polyanhydrides, the anhydride moleties are linked to a central moiety by an ester moiety.
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Dettloff Marvin L.
Gould Michael L.
Grilli David A.
Hickner Richard A.
Rabon James A.
Sellers Robert E.
The Dow Chemical Company
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