Modified polytetrafluoroethylene fine powder and modified polytetrafluoroethylene molded product
US9346903B2 · kind B2 · utility
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10References
6Claims
0Family size
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Key dates
| Filing date | Nov 16, 2005 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Nov 16, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a modified polytetrafluoroethylene fine powder which can be processed into molded articles high in thermal stability, chemical resistance and transparency and for which the extrusion pressure can be lowered. The present invention is a modified polytetrafluoroethylene fine powder, wherein the cylinder extrusion pressure at a reduction ratio of 1600 is not higher than 50 MPa and the haze value of molded article a for measurement formed therefrom is not higher than 60.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.