Flame retardant thermoplastic polyurethane resin composition
US10738159B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Feb 13, 2017 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Feb 13, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A flame-retardant thermoplastic polyurethane resin composition is provided, containing: a thermoplastic polyurethane resin; at least one melamine salt selected from the group consisting of melamine orthophosphate, melamine pyrophosphate, and melamine polyphosphate; at least one piperazine salt selected from the group consisting of piperazine orthophosphate, piperazine pyrophosphate, and piperazine polyphosphate; and wet process silica having an oil absorption of 200 ml/100 g or more. The composition preferably contains zinc oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.