Injection-molded product with superior dimensional precision
US5153247A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1991 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Dec 11, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is disclosed a polycarbonate composition which comprises having a melt flow rate of 5 to 50 g/10 min and composed of: PA1 (a) 30 to 65 parts by weight of a thermoplastic aromatic polycarbonate, PA1 (b) 70 to 35 parts by weight of glass fibers with an average diameter of 3 to 15 .mu.m, and PA1 (c) 0.01 to 15 parts by weight of at least one component selected from the group consisting of (c-1) to (c-3) shown below formulated therein based on 100 parts by weight of the total amount of (a) and (b): PA2 (c-1) 0.3 to 10 parts by weight of a brominated polystyrene with an average particle size of 0.1 to 50 .mu.m; PA2 (c-2) 0.3 to 10 parts by weight of zinc sulfide with an average particle size of 0.1 to 50 .mu.m; and PA2 (c-3) 0.01 to 5 parts by weight of a melamine-cyanuric acid adduct with an average particle size of 0.1 to 50 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.