Noncrystallizable single-component organopolysiloxane compositions
US4672004A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1986 |
| Grant date | Jun 9, 1987 |
| Priority date | — |
| Expiry date | Mar 31, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Noncrystallizable single-component organopolysiloxane compositions which are storage-stable in the absence of water, curable into elastomers at ambient temperatures and above in the presence of water, and which are well adopted for the production of silicone coatings and seals, include: PA1 (A) at least one .alpha.,.omega.-dihydroxydiorganopolysiloxane polymer; PA1 (B) a methyltriacetoxysilane cross-linking agent therefor; and PA1 (C) an effective amount of at least one additive for preventing the crystallization of said cross-linking agent (B), miscible therewith in all proportions and liquid at ambient temperature, said additive comprising: PA2 (i) a diester of ortho-phthalic acid with a monoalcohol of the formula GOH, wherein G is a hydrocarbon radical containing from 4 to 12 carbon atoms; or PA2 (ii) an ester of acetic acid with a monoalcohol of the formula G'OH, wherein G' is hydrocabon radical containing from 6 to 18 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.