Toughened, low permeability, solvent and salt resistant polyamide blends
US4814379A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 1988 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | Apr 11, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L77/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions useful as a material for fuel lines comprising an intimate blend of: PA1 (I) from 45 to 55% by weight of a polyamide and PA1 (II) from 55 to 45% by weight of a mixture of PA2 (a) From 70 to 90% by weight of high density polyethylene grafted with an alpha, beta-olefinically unsaturated dicarboxylic acid anhydride, PA2 (b) From 5 to 15% by weight of linear low density polyethylene grafted with an alpha, beta-olefinically unsaturated dicarboxylic acid anhydride, and PA2 (c) From 5 to 15% by weight of ethylene/propylene/diene rubber grafted with an alpha, beta-olefinically unsaturated dicarboxylic acid anhydride are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.