Fire-retardant polyamides comprising PVP
US11685832B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2018 |
| Grant date | Jun 27, 2023 |
| Priority date | — |
| Expiry date | Sep 28, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/329
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermoplastic molding composition is disclosed. The thermoplastic molding composition includes A) from 20 to 96.9% by weight of a thermoplastic polyamide, B) from 1 to 20% by weight of an inorganic phosphinate salt, C) from 1 to 15% by weight of an organic phosphinate salt, D) from 1 to 15% by weight of melamine cyanurate, E) from 0.1 to 10% by weight of a polyvinylpyrrolidone homopolymer, and F) from 0 to 50% by weight of other additives. The total of the percentages by weight of A) to F) is 100%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.