Low compression set, oil and fuel resistant, liquid injection moldable, silicone rubber
US5082886A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1989 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Aug 28, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/80
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is provided an organopolysiloxane composition having low compression set as well as fuel and oil resistance in addition to high strength, good elongation, and tear comprising: PA0 (A) 100 parts of a first component comprising: PA1 (1) a vinyl-containing liquid organopolysiloxane or a blend of vinyl-containing liquid polysiloxanes; PA1 (2) optionally, filler; and PA1 (3) a catalyst; and PA0 (B) from 1 to 100 parts, based on 100 parts of (A), of a hydrogen silicone composition selected from the class consisting of hydrogen containing silanes and hydrogen containing polysiloxanes and mixtures of hydrogen containing polysiloxanes with fillers and high viscosity polysiloxanes; PA0 (C) optionally, magnesium oxide to impart oil resistance; PA0 (D) optionally, an MQ resin to impart fuel resistance; and PA0 (E) optionally, a cerium containing compound or, alternatively, tetramethyldivinyldisilazane to impart low compression set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.