Reinforced PBT-copolyaromatic/aliphatic block copolyesters
US4322333A · kind A · utility
6Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1979 |
| Grant date | Mar 30, 1982 |
| Priority date | — |
| Expiry date | Nov 5, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L23/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermoplastic molding composition having improved impact strength is provided, the composition comprising a thermoplastic resin selected from (i)a poly(1,4-butylene terephthalate)in combination with a poly(ethylene terephthalate)resin, mineral-filled, or (ii) a poly(1,4-butylene terephthalate) co-aromatic/aliphatic polyester, reinforced and/or mineral-filled, and a minor, effective amount of a copolymer of ethylene and vinyl acetate or a terpolymer of ethylene, vinyl acetate and methacrylic and/or acrylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.