Interlayer for laminated glass

Details Interlayer for laminated glass Interlayer for laminated glass

1989-01-04

1990-05-15

Schwartz, Pamela R.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428220, 428437, B32B 300

Patent

active

049257250

ABSTRACT:
An interlayer for a laminated glass, said interlayer being composed of a film or sheet of a thermoplastic resin, at least one surface of the film or sheet of a thermoplastic resin having numerous coarse raised and depressed portions and numerous fine raised and depressed portions existing on the surfaces of the coarse raised and depressed portions, the average distance between two adjacent coarse depressed or raised portions being about 2 to about 10 times the 10-point average roughness of the coarse raised and depressed portions measured in accordance with ISO-R468.

REFERENCES:
patent: 4035549 (1977-07-01), Kennar
patent: 4112166 (1978-09-01), Chyu
patent: 4331503 (1982-05-01), Benjamin
patent: 4452840 (1984-06-01), Sato et al.
patent: 4546029 (1985-10-01), Cancio et al.

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