Amorphous copolyamide from dimer acid, aromatic dicarboxylic acid and cycloaliphatic diamine
US5177177A · kind A · utility
23Cited by
1References
14Claims
0Family size
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Key dates
| Filing date | Jul 24, 1991 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Jul 24, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/34
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Rigid, amorphous copolyamides, which can be produced in a single-stage polycondensation reaction, having a high glass transition temperature and low water absorption capacity, consisting essentially of cycloaliphatic diamines, dimerized fatty acids, and aromatic dicarboxylic acids, and a method for the manufacture thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.