Polysiloxane-polycarbonate copolymer article
US7498388B2 · kind B2 · utility
6Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2006 |
| Grant date | Mar 3, 2009 |
| Priority date | — |
| Expiry date | Feb 13, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L83/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein are polysiloxane-polycarbonate copolymer articles. In one embodiment, a ⅛th inch thick bar formed from the thermoplastic composition has a B-Y ratio of less than or equal to about 1.75. This article, which has a dimension that is greater than or equal to 1.5 cm, comprises the thermoplastic composition which comprises a polysiloxane-polycarbonate copolymer, wherein the copolymer comprises repeating diorganosiloxane units of formula (1):wherein each R is, independently, a C1-13 monovalent organic group; and E has an average value of 20 to 35.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.