Polyurethane block copolymer

Details Polyurethane block copolymer Polyurethane block copolymer

1991-12-20

1994-11-29

Bean, Ralph H.

Stock material or miscellaneous articles

Composite

Of polyamidoester

428428, 525102, 525131, 525440, 525446, B32B 1710, B32B 2740

Patent

active

053689437

ABSTRACT:
A silane-capped polyurethane block copolymer comprising at least one polyester block and at least one polyacrylate block is disclosed. The copolymer can be used in coatings, and is particularly useful as a primer coating, especially as a primer for non-porous surfaces to which adhesives will be applied.

REFERENCES:
patent: 3632557 (1972-01-01), Brode
patent: 3678010 (1972-07-01), Brode
patent: 3919351 (1975-11-01), Chang et al.
patent: 3935367 (1976-01-01), Merrill et al.
patent: 3975457 (1976-08-01), Chang et al.
patent: 4146585 (1979-03-01), Ward et al.
patent: 4408021 (1983-10-01), Penn
patent: 4491650 (1985-01-01), Rizk et al.
patent: 4567107 (1986-01-01), Rizk et al.

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