Articles utilizing acetal copolymer bonding resins

Details Articles utilizing acetal copolymer bonding resins Articles utilizing acetal copolymer bonding resins

1988-10-11

1990-09-04

Sluby, P. C.

Stock material or miscellaneous articles

Composite

Of epoxy ether

428437, 428461, 428511, 428473, 528230, 528246, B32B 2738, C08G 210

Patent

active

049544004

ABSTRACT:
There are provided new articles comprising elements having surfaces bonded together with a bonding resin which is an elastomeric copolymer of about 15 to 45 mol %, preferably about 25 to 35 mol % trioxane, about 55 to 85 mol %, preferably about 65 to 75 mol % of 1,3-dioxolane, said mol percents based on the total of trioxane and 1,3-dioxolane, and about 0.005 to 0.15 wt. %, preferably about 0.05 to 0.12 wt. % of 1,4-butanediol diglycidyl ether or butadiene diepoxide as a bifunctional monomer, based on the total weight of copolymer. Preferably, at least one of said surfaces, and more preferably at least two of said surfaces bonded to each other are of a crystalline acetal polymer comprising at least 85 mol % of polymerized oxymethylene units.

REFERENCES:
patent: 3337507 (1967-08-01), Gutweiler et al.
patent: 3639192 (1972-02-01), Burg et al.
patent: 4898925 (1990-02-01), Collins et al.

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