Aminoorganopolysiloxane compositions with improved combustion resistance
US4701488A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 31, 1986 |
| Grant date | Oct 20, 1987 |
| Priority date | — |
| Expiry date | Mar 31, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/205
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Combustion-resistant heat-curable compositions comprising: PA0 (a) an aminoorganopolysiloxane polymer containing an average of at least one hydrogen atom bonded to nitrogen in at least two of the silicon-bonded primary or secondary aminoorgano groups; PA0 (b) the reaction product of an organic polyisocyanate and a compound containing at least one alcoholic, phenolic, silanic or oximyl hydroxyl group or thiol group as a curing agent; and PA0 (c) a combustion inhibiting amount of an additive selected from the group consisting of: PA1 (i) a chromium compound; PA1 (ii) an iridium compound; PA1 (iii) a molybdenum compound; PA1 (iv) a rhodium compound; PA1 (v) a mixture of (I) platinum or a platinum compound and (II) a compound selected from the group consisting of a barium compound, a bismuth compound, a boron compound, a calcium compound, a chromium compound, a cobalt compound, a gallium compound, an iridium compound, a magnesium compound, a manganese compound, a molybdenum compound, a nickel compound, a palladium compound, a rhodium compound, a thorium compound, an uranyl compound, an yttrium compound, a zinc compound, a zirconium compound and a rare earth metal compound; and PA1 (vi)…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.