Polyamide, polyamide composition, and molded article
US9228057B2 · kind B2 · utility
1Cited by
3References
28Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 9, 2013 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Jul 9, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L77/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyamide comprising a unit containing at least one (a) alicyclic dicarboxylic acid and a unit containing a (b) diamine having 8 or more carbon atoms, wherein the polyamide satisfies the following conditions (1) and (2): (1) a sulfuric acid relative viscosity ηr at 25° C. is 2.3 or more; and (2) Mw (weight average molecular weight)/Mn (number average molecular weight) is 4.0 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.