Composition for improving adhesion of vinylidene polyfluoride and non-compatible polymeric resins
US5242976A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1991 |
| Grant date | Sep 7, 1993 |
| Priority date | — |
| Expiry date | Feb 21, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L51/003
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition is provided which is coextrudable with vinylidene polyfluoride permitting it to adhere to incompatible polymeric resins, the composition which has a base of an alkyl polymethacrylate and a thermoplastic polymer is comprised of: PA0 from 27 to 50 parts by weight of an alkyl polymethacrylate; and PA0 from 73 to 50 parts by weight of an additive itself constituted for 100 portions by weight of additive of: PA0 from 35 to 50 parts by weight of PVDF, and PA0 from 65 to 50 parts by weight of acrylic or methacrylic elastomer. This composition serves to produce vinylidene polyfluoride compounds capable of coating polymers which are non-compatible with vinylidene polyfluoride. When used as an adhesion agent, one can obtain by coextrusion, compounds of vinylidene polyfluoride and polymers non-compatible with the vinylidene polyfluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.