Sulfonate-modified polyamide having improved barrier properties
US10513581B2 · kind B2 · utility
1Cited by
10References
13Claims
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Key dates
| Filing date | May 19, 2011 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | May 19, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The use of a polyamide modified by sulfonate functions which has improved barrier properties is described. Further described is the use of a sulfonate, aliphatic or aromatic compound for manufacturing a modified polyamide having improved fluid-barrier properties. The composition as described includes a modified polyamide, which is optionally a composition in the form of granules or powder used in manufacturing articles by an injection or extrusion blow-molding method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.