Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-02-09
1994-01-04
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523404, 525423, 525438, 525454, 525481, 525510, 525524, 525525, 525527, C08K 0320, C08L 6302
Patent
active
052760715
ABSTRACT:
Cationic advanced resins are obtained by (I) reacting a composition comprising (A) an advanced epoxy resin composition comprising the product resulting from reacting a composition comprising (1) an aromatic hydroxyl-containing product resulting from reacting a composition comprising (a) at least one diglycidyl ether of (i) an oxyalkylated aromatic diol, or ii) at least one compound having two hydroxyl groups per molecule in which the hydroxyl groups are attached to an aliphatic or cycloaliphatic carbon atom and which compound is free of aromatic rings; or (iii) a combination of (i) and (ii); and (iv) optionally a diglycidyl ether compound different from (i) and (ii); and (b) at least one compound containing two aromatic hydroxyl groups per molecule; (2) at least one diglycidyl ether of a compound containing two aromatic groups per molecule; (3) optionally, one or more compounds containing two aromatic hydroxyl groups per molecule; and (4) optionally, a monofunctional capping agent; with (B) a nucleophilic compound; and (II) adding an organic acid and water at at least one point during the preparation of the cationic resin. The cationic advanced resins are useful in coating compositions.
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Chem. Abst. 112:8764d (Jap. Kokai Tokyo Koho JP 01/116,100 Published May 9, 1989).
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Anderson Kenneth W.
Haynes Deborah L.
Whiteside, Jr. Ross C.
Sellers Robert E.
The Dow Chemical Company
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