Additive for coating compositions of silica and a fluorinated ethylene oxide polymer
US4416941A · kind A · utility
15Cited by
11References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 30, 1982 |
| Grant date | Nov 22, 1983 |
| Priority date | — |
| Expiry date | Jul 30, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31862
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A rheology control additive of PA0 (1) colloidal silica and PA0 (2) a nonionic fluorocarbon polymer having ethylene oxide linkages and a weight average molecular weight of about 5,000-50,000 and contains about 2-25% by weight of fluorine; high solids coating compositions containing the additive have excellent rheology control and can be used as extension finishes on automobiles and trucks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.