B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1054, 154/78,
B29C 59/04 (2006.01) B29C 33/68 (2006.01) B29C 43/02 (2006.01) B29C 59/00 (2006.01) B29C 70/08 (2006.01) B29D 7/01 (2006.01) B32B 15/08 (2006.01) B32B 27/32 (2006.01) B32B 38/00 (2006.01) C08J 5/18 (2006.01) H05K 3/38 (2006.01) B29C 47/00 (2006.01) H05K 3/02 (2006.01)
Patent
CA 1298451
SURFACE-ROUGHENED FILM AND SHEET, AND PROCESS FOR PRODUCTION AND USE THEREOF ABSTRACT OF THE DISCLOSURE 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 comprising the following steps (1) preparing a molten composition comprising a homopolymer ox 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.
515139
Abe Shunji
Shigemoto Hiromi
Yamamoto Akio
Goudreau Gage Dubuc
Mitsui Chemicals Incorporated
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