Polyvinyl butyral sheet roughness control

Details Polyvinyl butyral sheet roughness control Polyvinyl butyral sheet roughness control

1985-07-02

1987-03-31

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264211, 264216, 26433122, 425224, 525 61, C08J 300, B29B 1300

Patent

active

046541799

ABSTRACT:
Extruded polyvinyl butyral (PVB) sheet roughness is controlled by use of PVB resin lightly cross-linked through stable intermolecular linkages.

REFERENCES:
patent: 2318469 (1943-05-01), Derby et al.
patent: 2432242 (1947-12-01), Leekley
patent: 2455198 (1948-11-01), Vaala
patent: 2487864 (1949-11-01), Gaylor
patent: 2904844 (1959-09-01), Smithies
patent: 2909810 (1959-10-01), Jensch
patent: 3101991 (1963-08-01), Fukushima et al.
patent: 3137675 (1964-06-01), Matsubayashi et al.
patent: 3963618 (1976-06-01), Muir
patent: 4515745 (1985-05-01), Churma et al.

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