Emulsion polymerized silicone-acrylate rubber impact modifiers thermoplastic blends, and methods for making
US6169149A · kind A · utility
5Cited by
6References
15Claims
0Family size
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Key dates
| Filing date | Dec 4, 1998 |
| Grant date | Jan 2, 2001 |
| Priority date | — |
| Expiry date | Dec 4, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L25/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Melt extrudable grafts of emulsion polymerized silicone rubber and polyacrylate rubber hybrids have been found to be valuable impact modifiers for organic thermoplastic polymeric materials. Optimum impact modifier properties are achieved by employing as a source material, an emulsion polymerized silicone rubber made under semi-continuous, low shear process conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.