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ASAHI KASEI FIBERS CORPORATION
| ASAHI KASEI FIBERS CORPORATION Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090253329 | HEAT-RESISTANT NONWOVEN FABRIC - The present invention provides a heat-resistant nonwoven fabric wherein the nonwoven fabric is formed from a poly(phenylene sulfide) fiber, and 30% by weight or more of the poly(phenylene sulfide) fiber has a crystallinity of 25 to 50%. Moreover, the properties of the heat-resistant nonwoven fabric can be further improved by making the nonwoven fabric have a multilayer structure in which layers composed of a poly(phenylene sulfide) filamentary fiber and layers composed of a poly(phenylene sulfide) fine fiber are stacked and integrated. | 10-08-2009 |