Polycarbonate/rubber-modified graft copolymer resin blends having improved thermal stability
US6063844A · kind A · utility
6Cited by
17References
15Claims
0Family size
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Key dates
| Filing date | Apr 2, 1998 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | Apr 2, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermoplastic resin composition that contains a branched polycarbonate resin, a rubber modified graft copolymer that contains a discontinuous elastomeric phase dispersed in a continuous rigid thermoplastic phase, wherein at least a portion of the rigid thermoplastic phase is chemically grafted to the elastomeric phase, a sterically hindered phenol stabilizer compound, a thioester stabilizer compound and a phosphite stabilizer compound, exhibits improved stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.