Methods for producing branched-polyether resin composition...

Details Methods for producing branched-polyether resin composition... Methods for producing branched-polyether resin composition...

2005-12-20

2010-02-23

Sellers, Robert (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C528S112000

Reexamination Certificate

active

07666955

ABSTRACT:
A method for producing a branched-polyether resin composition of the present invention includesa first step of obtaining a reaction mixture including:(1-A) a branched-polyether resin (X) containing a hydroxyl group, an acryloyl group, and an epoxy group and(1-B) at least one resin component selected from the group consisting of(1-B-1) a diacrylate (A2) of an aromatic difunctional epoxy resin,(1-B-2) a monoacrylate (A1) of an aromatic difunctional epoxy resin, and(1-B-3) an aromatic difunctional epoxy resin (B) other than (A1) and (A2); anda second step of mixing the reaction mixture and an unsaturated monocarboxylic acid, and reacting the epoxy group in the reaction mixture and a carboxyl group in the unsaturated monocarboxylic acid.

REFERENCES:
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patent: 2-110116 (1990-04-01), None
patent: 11-12345 (1999-01-01), None
patent: 2001-094261 (2001-04-01), None
patent: 2001-247649 (2001-09-01), None

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