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Multilayer structures of poly(1,3-propylene 2,6-naphthalate and poly ethylene terephthalate)
Multilayer structures of poly(1,3-propylene 2,6-naphthalate and poly ethylene terephthalate)
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机译:聚(1,3-丙烯2,6-萘二甲酸乙二醇酯和聚对苯二甲酸乙二酯)的多层结构
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摘要
Multilayer shaped articles, including films, preforms and containers, and method for forming the same, having at least one layer of poly(1,3-propylene 2,6-naphthalate) and at least one layer of poly(ethylene terephthalate). Poly(1,3-propylene 2,6-naphthalate) can be co-stretched with poly(ethylene terephthalate) to form oriented multilayer structures which have superior barrier properties. The poly(1,3-propylene 2,6-naphthalate) and poly(ethylene terephthalate) layers have good adhesion and do not require an adhesive tie layer.
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