SURFACE-TREATED METAL PLATE FOR POLYOLEFIN BONDING, COMPOSITE MEMBER, AND METHOD FOR MANUFACTURING COMPOSITE MEMBER
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
Feb 21, 2018
filing date -
Feb 21, 2018
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Abstract
A surface-treated metal sheet for adhesion to polyolefin includes a metal sheet, and a resin layer provided on at least one surface of the metal sheet. The resin layer contains an acid-modified polyolefin, the acid-modified polyolefin contains a first acid-modified polyolefin having an acid value of 5 mgKOH/g or less and a second acid-modified polyolefin having an acid value of 20 mgKOH/g or more and a melting point of higher than 90° C., and a difference between a melting point of the first acid-modified polyolefin and the melting point of the second acid-modified polyolefin is 0° C. or more and less than 40° C.
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