D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
18/586
D04H 1/42 (2006.01) D01F 6/22 (2006.01)
Patent
CA 1335148
Nonwoven fabrics are disclosed, which are produced by molding a material containing as a main component a styrene- based polymer with mainly syndiotactic configuration, in such a manner that a difference between the absolute value of heat of fusion ¦.DELTA.Hf¦ and the absolute value of crystallizing enthalpy on heating ¦.DELTA.Htcc¦ of the molded polymer is at least 1 cal/g. These nonwoven fabrics are excellent in heat- resistant and chemical-resistant characteristics, and are suitable for use as medical fabrics, industrial filters, battery separators and so forth.
604322
Funaki Keisuke
Yamasaki Komei
Idemitsu Kosan Company Limited
Smart & Biggar
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