Low gloss polycarbonate/ABS blends
US5061754A · kind A · utility
8Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 1989 |
| Grant date | Oct 29, 1991 |
| Priority date | — |
| Expiry date | Nov 27, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polycarbonate composition having present therein particles of rubber grafted with an ethylenically unsaturated aromatic monomer and either acrylonitrile or methacrylonitrile, characterized in that the particles have an average size of from 20 to 300 nm before being blended with the polycarbonate and agglomerate during blending to form aggregates of average size 500 to 10,000 nm, and in that the composition can be injection moulded to produce a moulding wherein the aggregates substantially retain their identity and the moulding has a surface of matt appearance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.