Surface-roughened film and sheet, and process for production and

Details Surface-roughened film and sheet, and process for production and Surface-roughened film and sheet, and process for production and

1986-08-01

1988-10-11

Buffalow, Edith

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

428461, 428901, 5263484, C08F11014

Patent

active

047772018

ABSTRACT:
An essentially non-oriented surface roughened film or sheet comprising a homopolymer or copolymer of 4-methyl-1-pentene having the surface roughness of 0.5 to 10 micrometers; a process for production of the above-mentioned surface roughened film or sheet of claim 1 comprising the following steps (1) preparing a molten composition comprising a homopolymer or copolymer of 4-methyl-1-pentene, (2) extruding the molten composition to form a film or sheet, and (3) placing the film or sheet in contact with a roller having a roughened surface or passing the film or sheet through a pair of rollers, at least one of which has a roughened surface; and the use of the above-mentioned surface roughened film or sheet for the manufacture of single-sided metal clad laminates.

REFERENCES:
patent: 3415796 (1968-12-01), Sounder et al.
patent: 4146591 (1979-03-01), Fukui et al.
patent: 4288584 (1981-09-01), Mishra
patent: 4357448 (1982-11-01), Tsubaki et al.
patent: 4546150 (1985-10-01), Shiegemoto
Patent Abstracts of Japan, unexamined applications, Field C, vol. 5, No. 184, Nov. 21, 1981.
The Patent Office Japanese Government p. 137C80.
Japanese Patent Report, Section Ch, 1-3, vol. 82, No. 38, Oct. 22, 82.

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