Self-extinguishing polystyrenic compositions and process for their preparation
US4378440A · kind A · utility
3Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 4, 1980 |
| Grant date | Mar 29, 1983 |
| Priority date | — |
| Expiry date | Jun 4, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/907
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are self-extinguishing polystyrenic compositions with improved thermal stability properties, comprising a styrenic resin and a fire-retardant agent which can either comprise solely a brominated pentaerythritol having at least one free-OH group or such a compound in combination with a peroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.