Patent · US Active

Brominated flame retardant

US11248080B2 · kind B2 · utility

0Cited by

1References

12Claims

0Family size

Assignee

BASF SE

Inventors

Konrad Knoll · Mannheim, DE
Ingo Bellin · Ludwigshafen am Rhein, DE
Jan Holoch · Leimen, DE
Eckhard Neufeld · Ludwigshafen am Rhein, DE

Key dates

Filing date	May 16, 2018
Grant date	Feb 15, 2022
Priority date	—
Expiry date	May 16, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2201/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Brominated vinylaromatic-diene block copolymers (Br-SBC) comprising a vinylaromatic polymer block S and a brominated diene polymer block BB, wherein before bromination the weight-average molar mass Mw of the block S is greater than or equal to Mw of the block BB, use thereof as flame retardants, and also polymer compositions comprising these for unfoamed and foamed thermoplastic polymers, for example EPS and XPS.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.