Method of preparing retroreflective sheeting

Details Method of preparing retroreflective sheeting Method of preparing retroreflective sheeting

1976-09-01

1978-02-21

Van Horn, Charles E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

40615, 40616, 156234, 156235, 156240, 156298, 350105, 427152, 427163, 427199, 427204, 427278, 428 40, 428914, B44C 100, B32B 3120, B31F 100

Patent

active

040750493

ABSTRACT:
Retroreflective sheeting having improved resistance to delamination is prepared by imparting a grid pattern to a monolayer of glass spheres having a light reflecting layer thereon, applying a sphere binder layer over the grid pattern imposed on the monolayer of glass spheres so as to adhere to the reflective layer on the monolayer of glass spheres, and pressure consolidating the resulting composite against a clear, protective overlay film, wherein the overlay film bonds to the sphere binder layer in the grooves formed by the grid pattern.

REFERENCES:
patent: 3065559 (1962-11-01), McKenzie
patent: 3190178 (1965-06-01), McKenzie
patent: 3836364 (1974-09-01), Lin
patent: 3971692 (1976-07-01), Anderson
patent: 3975195 (1976-08-01), Goffe

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