Formulation for the production of 1, 3-bis (4-aminophenoxy) naphthalene and its polymer
US6197920A · kind A · utility
0Cited by
3References
5Claims
0Family size
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Key dates
| Filing date | Jul 21, 1999 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Jul 21, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/105
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to the synthesis of new type of diamine monomer, 1,3-bis(4-amonophenoxy)naphthalene, and with such a compound to produce a series of aromatic polymers, including polyamide, polyimide, copoly(amide-imide)s, etc., such polymers having excellent resistance to heat and mechanical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.