Powder coating of epoxy resin and epoxidized polydiene block pol

Details Powder coating of epoxy resin and epoxidized polydiene block pol Powder coating of epoxy resin and epoxidized polydiene block pol

1998-04-03

1999-10-19

Sellers, Robert E.

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

Synthetic resins

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

525314, 525316, C08L 5300, C08L 5302, C08L 6302, C08L 6304

Patent

active

059690437

ABSTRACT:
An epoxy resin composition for powder coatings which comprises (a) 40 to 95 parts by weight of a solid epoxy resin having at least two epoxy groups in a molecule, an epoxy equivalent of 400 to 2500, and a softening point of 50.degree. C. to 150.degree. C., and (b) 5 to 60 parts by weight of an epoxidized polydiene polymer having a main structure of general Formula (I) in which aliphatic double bonds are partially epoxidized. Formula (I) is

REFERENCES:
patent: 5290857 (1994-03-01), Ashida et al.
patent: 5332783 (1994-07-01), Dillman et al.
patent: 5499409 (1996-03-01), St. Clair
patent: 5721316 (1998-02-01), Masse et al.

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