Low VOC, primerless, polyurethane compositions

Details Low VOC, primerless, polyurethane compositions Low VOC, primerless, polyurethane compositions

1995-11-02

1997-10-07

Acquah, Samuel A.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427387, 4273935, 427334, 427340, 4284231, 428122, 264 50, 528 60, 528 66, 528 70, 524267, B05D 302

Patent

active

056745672

ABSTRACT:
A primerless, one-part, heat curable, low volatile organic compound, polyurethane composition comprises a blocked polyurethane prepolymer made from a liquid hydroxyl terminated intermediate and an excess of a polyisocyanate, a curing agent, silicone and/or low friction polymer and optional fillers. Upon cure of the polyurethane composition, the silicone oil and/or low friction polymer generally imparts low friction and high abrasive resistant properties. A desired use is as a glass run channel coating.

REFERENCES:
patent: 4101530 (1978-07-01), Burkhardt et al.
patent: 4267206 (1981-05-01), Johnson
patent: 4606974 (1986-08-01), Thoma et al.
patent: 4631206 (1986-12-01), Mabuchi et al.
patent: 4856502 (1989-08-01), Ersfeld et al.
patent: 4898919 (1990-02-01), Ueda et al.
patent: 4987204 (1991-01-01), Murachi
patent: 5115007 (1992-05-01), Chihara et al.
patent: 5221707 (1993-06-01), Chihara et al.
European Search Report 95302838.8, dated Aug. 8, 1995.

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