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    • 8. 发明授权
    • Composite sheet comprising a non-woven fabric and a film
    • 包含无纺布和薄膜的复合片材
    • US06271155B1
    • 2001-08-07
    • US09245649
    • 1999-02-08
    • Takeshi NomaShingo HoriuchiYoshimi Tsujiyama
    • Takeshi NomaShingo HoriuchiYoshimi Tsujiyama
    • B32B2702
    • B32B27/12B32B5/022B32B27/32B32B2262/0253B32B2307/724B32B2323/043B32B2323/10B32B2555/02Y10T442/637Y10T442/641Y10T442/674Y10T442/678
    • A composite laminated sheet comprises a thermoplastic crystalline film and a non-woven fabric having a thermoplastic conjugated fiber comprising the low melting point component and the high melting point component, in which the difference in the melting point between the low melting point component and the high melting point component is not less than 10° C.; the difference in the melting point between the thermoplastic crystalline film and the low melting point component of the conjugated fiber is not more than 30° C.; and the temperature of the position corresponding to 10% of the area from the side of the melting starting point of the endothermic peak of an entire conjugated fiber evaluated by DSC is between the melting starting point and the melting completion point of the endothermic peak of the film evaluated by DSC. According to the present invention, a composite sheet is provided in which a non-woven fabric and a film are adhered without adhesive agents, the appearance is excellent, and the adhesive strength between the non-woven fabric and the film is high. Consequently, the composite sheet of the present invention can be used for a water-proof sheets, for example, paper diapers or sanitary napkins or the like.
    • 复合层叠片包括热塑性结晶膜和具有包含低熔点成分和高熔点成分的热塑性共轭纤维的无纺布,其中低熔点成分与高熔点成分之间的熔点差 熔点成分不低于10℃。 热塑性结晶膜与复合纤维的低熔点成分之间的熔点差不超过30℃。 并且由通过DSC评价的整个共轭纤维的吸热峰的熔融起始点的面积的10%的位置的温度在熔融起点和熔融起始点的熔融峰值之间 电影由DSC评估。 根据本发明,提供一种复合片材,其中无粘合剂粘附无纺织物和膜,外观优异,无纺布和膜之间的粘合强度高。 因此,本发明的复合片材可以用于防水片材,例如纸尿布或卫生巾等。