Halogen-free flame-retardant composition
US6767941B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2001 |
| Grant date | Jul 27, 2004 |
| Priority date | — |
| Expiry date | Feb 28, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0066
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A halogen-free, flame-retardant composition includes (1) organic phosphorus compound (A) and (1′) melamine or a compound derived from melamine (B); or (2) a melamine-phosphorus compound (AB). The composition also includes and olefin polymer and from 0.1-30 wt % based on the olefin polymer, of a compound containing acid, acid anhydride or epoxy groups. The flame-retardant composition may included in a polycondensate composition which incorporate the flame-retardant composition is substantially shortened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.