Toughened two-part adhesive compositions demonstrating...

Details Toughened two-part adhesive compositions demonstrating... Toughened two-part adhesive compositions demonstrating...

2011-06-07

2011-06-07

Cheung, William K (Department: 1762)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S335000, C526S317100, C524S849000, C524S851000, C524S852000

Reexamination Certificate

active

07956143

ABSTRACT:
Compositions for bonding substrate surfaces, particularly steel, aluminum, and urethane-primed galvanized steel, are disclosed. Desirably, the compositions include a stable emulsion including: (a) at least one curable (meth)acrylate component; (b) at least three different elastomeric polymers that are soluble and/or partially soluble in the (meth)acrylate component; and (c) optionally at least one elastomeric polymer that is not soluble in the (meth)acrylate component. Methods for preparing and methods for using these compositions also are disclosed.

REFERENCES:
patent: 3041322 (1962-06-01), Kriebel
patent: 3046282 (1962-07-01), Buckwalter
patent: 3203941 (1965-08-01), Kriebel
patent: 3218305 (1965-11-01), Kriebel
patent: 3591438 (1971-07-01), Kriebel
patent: 3925988 (1975-12-01), Kelley
patent: 4309526 (1982-01-01), Baccei
patent: 4503189 (1985-03-01), Igarashi et al.
patent: 6433091 (2002-08-01), Cheng
Product literature, Stochem, K-Flex XM-B301 (2003).

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