Fire retardant thermoplastic polyester type block copolymer composition
US3957905A · kind A · utility
32Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1974 |
| Grant date | May 18, 1976 |
| Priority date | — |
| Expiry date | Jan 17, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L71/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A fire retardant thermoplastic polyester type block copolymer composition, which comprises (a) a thermoplastic polyester type block copolymer comprising a hard polyester segment having a high melting point and a soft polymer segment having a low melting point and a molecular weight of 400 to 6,000 and (b) a mixture of one or more kinds of halogenated bisphenyl compounds and an organic or inorganic antimony compound in a ratio of 1:0 to 1:3 by weight, and optionally one or more kinds of alkylphenol derivatives and/or an epoxy compound having 1 to 20 % by weight of oxirane oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.