Molded Fastener Part
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United States of America Patent
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Issued Date -
Nov 27, 2014
app pub date -
May 20, 2014
filing date -
May 22, 2013
priority date (Note) -
Abandoned
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Abstract
This invention provides a molded fastener part having a good heat-bondability to PET resin film and being excellent in flexibility and sealability, comprising a substrate layer, a fastening rail layer comprising a polyolefin resin and having a groove portion or a rib portion, and an adhesive layer located therebetween, wherein said substrate layer is made of a polyethylene terephthalate resin composition comprising 100 parts by weight of polyethylene terephthalate, 0.1-3 parts by weight of styrene-methyl (metha) acrylate-glycidyl methacrylate copolymer, 3-20 parts by weight of softening agent, and 0.05-1.5 parts by weight of molding assistant, and said adhesive layer comprises a copolymer of ethylene and a monomer containing epoxy group, or a copolymer of ethylene, (metha) acrylate ester and a dicarboxylic anhydride monomer.
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