Vinylidene fluoride-acrylic acid ester copolymer, process for producing the same and composition containing the same
US4925907A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1989 |
| Grant date | May 15, 1990 |
| Priority date | — |
| Expiry date | Apr 7, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F214/225
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A substantially random, linear vinylidene fluoride-acrylic acid ester copolymer comprising: PA1 (A) 5-85% by weight of a vinylidene fluoride unit, PA1 (B) 15-95% by weight of at least one unit selected from the group consisting of an alkyl acrylate unit and an alkoxy-substituted alkyl acrylate unit, and PA1 (C) optionally 10% by weight or less, based on the total weight of (A), (B) and (C), of a crosslinking monomer unit, and having an intrinsic viscosity of 0.01-10 dl/g as measured at 30.degree. C. in N,N-dimethylformamide. Said copolymer has not only excellent heat resistance, ozone resistance and sour gasoline resistance but also excellent resistance to gasoline permeation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.