Film for molding
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United States of America Patent
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Oct 23, 2018
Grant Date -
Dec 3, 2015
app pub date -
Dec 24, 2013
filing date -
Dec 27, 2012
priority date (Note) -
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Abstract
A molding film is high in both windability during film production and also excellent in appearance quality and moldability. The molding film includes cyclic olefin based resin, has roughened regions in side edge parts of the molding film, is non-oriented, and satisfies (1) to (3): (1) one of the surfaces has a surface roughness SRa of 2 nm or more and 30 nm or less in the central region, which is defined as the region outside the roughened regions, whereas the other surface has a surface roughness SRa of 100 nm or more and 800 nm or less, (2) the ratio h/t where h represents the height (in μm) of the roughened regions while t represents the thickness (in μm) of the central region is 5/100 or more and 30/100 or less, and (3) the width of the roughened regions is 5 mm or more and 20 mm or less.
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