Molding composition comprising a blend of poly (tetramethylene terephthalate) and poly(tetramethylene terephthalate) modified with dimer acid
US4216129A · kind A · utility
1Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1979 |
| Grant date | Aug 5, 1980 |
| Priority date | — |
| Expiry date | Feb 7, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition comprised of an admixture of poly-(tetramethylene terephthalate) and poly(tetramethylene terephthalate) modified with dimer acid. This composition exhibits enhanced flexural modulus and enhanced flexural strength compared with a poly(tetramethylene terephthalate) which has been modified with dimer acid and contains an amount of dimer acid equivalent to the admixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.