| 摘要 |
Fluid-tight slide fastener ( 10 ) comprising a pair of tapes ( 12 ), each tape ( 12 ) having a layered structure comprising an inner reinforcing textile material layer ( 14 ) enveloped in a fluid barrier layer ( 16 ) made of a thermoplastic elastomer material (TPE), each tape ( 12 ) exhibiting a row ( 20 ) of aligned teeth ( 21 ) made of a thermoplastic material on at least a portion of one of the long sides ( 13 a) thereof, the rows ( 20 ) of aligned teeth ( 21 ) of said pair of tapes ( 12 ) facing each other and being associated to opposite stops ( 24,26 ), and a slider ( 22 ) slidable between said opposite stops ( 24,26 ) for engaging in a fluid-tight way or disengaging said aligned teeth ( 21 ) respectively, characterized in that said textile material for the inner reinforcing layer ( 14 ) is chosen among polyester (PE), preferably PET, polyamide (PA) and their blends or copolymers; said thermoplastic elastomer material (TPE) for the fluid barrier layer ( 16 ) is chosen between thermoplastic elastomer polyurethane (TPE-U) and thermoplastic elastomer polyester (TPE-E), and said thermoplastic material for the teeth ( 21 ) is chosen among polybutylene terephthalate (PBT), acrylonitrile butadiene styrene (ABS), polyamide (PA) and their blends or copolymers.
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