Multi-layer, heat-curable adhesive film

Details Multi-layer, heat-curable adhesive film Multi-layer, heat-curable adhesive film

1988-03-14

1990-03-13

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of epoxy ether

156330, 428355, 525438, B32B 2706, B32B 2738

Patent

active

049082736

ABSTRACT:
Multi-layer, heat-curable adhesive film having a tacky external curable layer A and a dry external curable layer B, containing various adducts which contain epoxide groups and are formed from an aromatic diglycidyl or polyglycidyl ether together with a carboxyl-terminated butadiene/acrylonitrile rubber and adducts of this type with a carboxyl-terminated polyester, and also aromatic diglycidyl or polyglycidyl ethers, varying amounts of fillers, dicyandiamide as a curing agent, a curing accelerator and, if appropriate, a carrier material between the layers A and B, is suitable for bonding various substrates and is preferably employed for bonding metal structural components without prior cleaning of these components.

REFERENCES:
patent: 3660220 (1972-05-01), Groff
patent: 3707583 (1972-12-01), McKown
patent: 3985825 (1976-10-01), Schmid et al.
patent: 4073827 (1978-02-01), Okasaka et al.
patent: 4507441 (1985-03-01), Goring
patent: 4704331 (1987-11-01), Robins et al.
patent: 4751129 (1988-06-01), Ramalingam et al.
Amer. Chem. Soc. Org. Coat. Plast. Chem. Paper 35 (1975) No. 2, pp. 333-340.
Polymer Age, vol. 6 (56) No. 4, Apr. 1975, pp. 96-98.

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