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TUBULAR FILM HAVING A SEALING LAYER IN A STATISTICAL COPOLYMER OF PROPYLENE-ETHYLENE AND METHOD FOR THE PRODUCTION THEREOF
TUBULAR FILM HAVING A SEALING LAYER IN A STATISTICAL COPOLYMER OF PROPYLENE-ETHYLENE AND METHOD FOR THE PRODUCTION THEREOF
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机译:具有统计学意义的丙烯-乙烯统计共聚物中具有密封层的管状薄膜及其制备方法
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摘要
A heat sealing layer is provided for multiply tubular film preferably of the type having an inner shrink layer of an irradiatively cross-linked ethylene vinyl acetate copolymer, a core barrier layer of vinylidene chloride-vinyl chloride copolymer, and an outer abuse layer of an ethylene vinyl acetate copolymer, the sealing layer being melt bonded onto the shrink layer and being composed of a propylene ethylene random copolymer. Heat seals formed in making bags from the improved film demonstrate enhanced high temperature strength and grease resistance. An associated method for making the tubular film is also provided.
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