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Weather resistant fibrillated webs having a network structure, nonwoven fabrics produced therefrom, and methods for producing webs and nonwoven fabrics
Weather resistant fibrillated webs having a network structure, nonwoven fabrics produced therefrom, and methods for producing webs and nonwoven fabrics
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机译:具有网状结构的耐候原纤纤网,由其生产的非织造织物以及生产纤网和非织造织物的方法
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摘要
Disclosed herein is a fibrillated weatherproof web having a network structure, which can be produced with ease and is economical. The web comprises a multilayer composite film composed of at least two layers, one being a first layer (I) made of a first thermoplastic resin and the other a second layer (II) made of a second thermoplastic resin having a melting point lower than the first thermoplastic resin and containing at least 300 ppm of a light resistance imparting agent. A number of slits have been formed in a longitudinal or transverse direction. The web has been oriented at a draw ratio in a range of from 1.1 to 15 times. A nonwoven fabric making use of one or more fibrillated webs of the above sort and processes for the production of the web and nonwoven fabric are also disclosed.
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