Tetrafluoroethylene polymer for stretching
AssigneeAsahi Glass Company, Limited
InventorsShigeki Kobayashi, Jun Hoshikawa, Kazuo Kato, Hiroki Kamiya, Hiroyuki Hirai
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Abstract
A tetrafluoroethylene polymer having high stretchability, a fibrillatable character and a non-melt fabricable quality, which has a standard specific gravity of at most 2.160, and a tensile break strength of from 32.0 N (3.26 kgf) to 49.0 N (5.0 kgf) or an endothermic ratio of at most 0.15 as calculated from the measurement by differential thermal analysis. The tetrafluoroethylene polymer is suitable for stretching operation after paste extrusion.
Claims17
A tetrafluoroethylene polymer having high stretchability, a fibrillatable character and a non-melt fabricable quality, which has a standard specific gravity of at most 2.160 and a tensile break strength of from 32.0 N (3.26 kgf) to 49.0 N (5.0 kgf).
A tetrafluoroethylene polymer having high stretchability, a fibrillatable character and a non-melt fabricable quality, which has a standard specific gravity of at most 2.160 and an endothermic ratio of at most 0.15 as calculated from the measurement by differential thermal analysis.
Dependencies are inferred from the claim text.