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MOLD RELEASABLE COMPOSITE MATERIAL FOR WET PRODUCTION OF POLYURETHANE RESIN SYNTHETIC LEATHER
MOLD RELEASABLE COMPOSITE MATERIAL FOR WET PRODUCTION OF POLYURETHANE RESIN SYNTHETIC LEATHER
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机译:湿法生产聚氨酯树脂合成革的可脱模复合材料
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摘要
A mold releasable composite material for wet production of a polyurethane resin synthetic leather is disclosed, comprising a polymer base and a composition layer laminated on at least one surface of the polymer base, the composition layer consisting of 50 to 95 % by weight of a styrenic polymer having a syndiotactic structure and 5 to 50 % by weight of a polyolefin, the mold releasable composite material having a peeling strength of 300 g/15 mm or more, preferably, the composition layer being subjected to embossing processing, and an anchor coating agent being used in laminating of the composition layer on the polymer base, which overcomes the defects involved in the conventional production process of a polyurethane resin synthetic leather in a wet process which has such an advantage that a synthetic leather having a good breathability and a soft feeling is obtained.
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