Bonding polyurethanes to polyolefins

Details Bonding polyurethanes to polyolefins Bonding polyurethanes to polyolefins

1984-12-21

1986-09-16

Smith, John D.

Stock material or miscellaneous articles

Composite

Of polyamidoester

427195, 427202, 427203, 427223, 427224, 427302, 427322, 4274123, 4284244, 428500, 428520, 428522, 428523, B05D 308

Patent

active

046122494

ABSTRACT:
A process of bonding a coating of a polyurethane resin to a polyolefin substrate is provided. The polyolefin substrate is coated with a graft copolymer of a polyolefin and a functional monomer such as acrylic acid. The graft copolymer is flame treated to fuse it. A liquid polyurethane precursor composition is then applied thereto and cured.

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patent: 4419408 (1983-12-01), Schmulker et al.
patent: 4430135 (1984-02-01), Schmulker et al.
patent: 4432820 (1984-02-01), Thompson
patent: 4444975 (1984-04-01), Pokorny

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