Addition polymerizable urethane-based anaerobic adhesives made f

Details Addition polymerizable urethane-based anaerobic adhesives made f Addition polymerizable urethane-based anaerobic adhesives made f

1982-09-07

1984-05-29

Welsh, Maurice J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

1563311, 1563314, 528 49, 528 69, 528 75, 526301, 526302, C08F 406

Patent

active

044516274

ABSTRACT:
An addition polymerizable adhesive is prepared by using the reaction product of (1) an isocyanate compound (such as 2-isocyanatoethyl methacrylate) and (2) an active hydrogen compound (such as a poly(ethylene glycol)) wherein the reaction between (1) and (2) is catalyzed with a tin (II) organoester (such as stannous octoate). The adhesives of the invention have surprisingly long shelf lives compared to similar adhesives made with other catalysts.

REFERENCES:
patent: 3425988 (1969-02-01), Gorman et al.
patent: 4233425 (1980-11-01), Tefertiller et al.
patent: 4320221 (1982-03-01), Hoffman
patent: 4374969 (1983-02-01), Frisch

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