Epoxy resin curing compositions and resin compositions...

Details Epoxy resin curing compositions and resin compositions... Epoxy resin curing compositions and resin compositions...

2006-02-21

2006-02-21

Feely, Michael J. (Department: 1712)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C525S523000, C525S534000, C528S093000, C528S111000, C528S408000

Reexamination Certificate

active

07001938

ABSTRACT:
Epoxy resin composition curing agents, which include a primary amino alcohol, are disclosed. Specifically, the invention relates to curing agents which include a primary amino alcohol physically blended therewith. Alternatively, the invention relates to curing agents which include a primary amino alcohol reacted into a resinous phenolic compound. Resin systems utilizing the curing agents of the invention exhibit enhanced hot wet adhesion to metal substrates and are particularly useful in the manufacture of powder coatings for pipe.

REFERENCES:
patent: 3607833 (1971-09-01), De Hoff et al.
patent: 3666702 (1972-05-01), Haugh
patent: 4330664 (1982-05-01), Brunelle
patent: 4331574 (1982-05-01), Bekooij et al.
patent: 4678712 (1987-07-01), Elliott
patent: 5212261 (1993-05-01), Stierman
patent: 6258919 (2001-07-01), Vogel et al.
patent: 2003/0065109 (2003-04-01), Akatsuka et al.

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