Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
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
Frisch, Jr. Kurt C.
Lock Michele R.
Stuk Gregory J.
Boone Jeffrey S.
The Dow Chemical Company
Welsh Maurice J.
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