Method for improving the low temperature impact strength of polyblends of thermoplastic copolyesters and styrene acrylonitrile copolymers
US5106897A · kind A · utility
5Cited by
6References
12Claims
0Family size
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Key dates
| Filing date | Feb 20, 1990 |
| Grant date | Apr 21, 1992 |
| Priority date | — |
| Expiry date | Feb 20, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for improving the low temperature impact strength of a thermoplastic polyblend of PETG and SAN which method comprises incorporating therein an effective amount of a dispersant selected from the group consisting of mono- and di-carboxylic acids containing 6 to 36 carbon atoms; alkali and alkaline-earth metal salts and amides of such acids; and aliphatic alcohols containing 6 to 36 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.