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The high endurance nonwoven fabrics which possess meranji appearance, it possesses ideal means null meranji die appearance and high
The high endurance nonwoven fabrics which possess meranji appearance, it possesses ideal means null meranji die appearance and high
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机译:高耐力无纺布,具有meranji的外观,它具有理想的手段,使meranji模头外观无效且高
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摘要
Non-woven fabric with melange-type visual appearance and endowed with high-durability comprising a fiber part and a matrix binder characterized by the binder matrix being a polyurethane characterized by the presence of soft segments and rigid segments, the former constituted from mixtures of polycarbonate-polyols and polyester-polyols, and the latter, from urethane groups deriving from the reaction of isocyanates with ureic polyols, and groups deriving from the reaction between the free isocyanate groups and water, and the fiber part comprises a fiber of melange appearance that is a mixture of two or more fibers with different dyeability characteristics than.
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