Method of manufacturing a dried, thermoformable, paint-coated sh

Details Method of manufacturing a dried, thermoformable, paint-coated sh Method of manufacturing a dried, thermoformable, paint-coated sh

1988-08-29

1990-04-03

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624424, 156246, 156247, 427379, 4273935, 4274071, 427420, B29C 4704, B32B 3126

Patent

active

049137603

ABSTRACT:
In the manufacture of a paint-coated stretchable film which is useful as a covering for automobile panels and other articles, a stretchable carrier film is formed by extruding a thermoplastic polymer composition onto a heat resistant temporary carrier film. The extruded layer is coated with paint or other layers and dried initially at a moderate temperature and finally at a high temperature which exceeds the heat deformation temperature of the stretchable carrier film but not of the heat resistant temporary carrier film. This shortens drying time and/or reduces residual solvents in the dried layers. The temporary carrier film, which is later stripped away, resists deformation of the laminate as it is drawn under tensile stress through the coating and high temperature drying stages.

REFERENCES:
patent: 2850769 (1958-09-01), Zeigler et al.
patent: 3266966 (1966-08-01), Patchell
patent: 3423273 (1969-01-01), Mazur
patent: 3620872 (1971-11-01), Blackwell et al.
patent: 3650880 (1972-03-01), Tieniber
patent: 4233358 (1980-11-01), Jones et al.

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