Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1991-05-01
1992-09-15
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523414, 523415, 523416, 523417, 523420, 528103, 528104, 528118, 528120, 528 94, C08K 320, C08L 6302, C08G 6510, C08G 5906
Patent
active
051479052
ABSTRACT:
Advanced resins and unadvanced epoxy resins are disclosed wherein the unadvanced compound and at least a portion of the advanced epoxy resin contains at least one --O--R.sup.1 --O-- or --(O--CH.sub.2 --CHR.sup.2).sub.n --O-- group as a bridge between two groups selected independently from the group consisting of (1) a saturated or unsaturated cycloaliphatic group, (2) an aromatic group, (3) a group represented by the formula ##STR1## or (4) a group represented by the formula ##STR2## Also disclosed are nucleophilic derivatives thereof, as well as curable compositions and coating compositions containing the advanced or unadvanced epoxy resins or nucleophilic modified advanced or unadvanced epoxy resins. These advanced resins and unadvanced epoxy resins provide coatings with good flexibility or formability as exhibited by good flexural or formable properties determined by reverse impact, T-bend and wedge-bend tests, chip resistance, and with good corrosion resistance and throwpower.
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Dubois Robert A.
Malzman Allyson
Sheih Pong S.
Treybig Duane S.
Whetten Alan R.
Marquis Melvyn I.
Rogers Christopher P.
The Dow Chemical Company
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