Patent · US Expired

Low-halogen-content, thermoplastic polyurethane elastomer having improved flame resistance by the addition of a 4-component additive combination, its production and its use

US4397974A · kind A · utility

19Cited by

5References

10Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Wilhelm Goyert · Leverkusen, DE
Wolfgang Fleige · Leverkusen, DE
Hans-Georg Hoppe · Leichlingen, DE
Hans Wagner · Dormagen, DE

Key dates

Filing date	Mar 29, 1982
Grant date	Aug 9, 1983
Priority date	—
Expiry date	Mar 29, 2002

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K13/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to low-halogen-content, thermoplastically-processible polyurethane elastomers (TPU), to which are added antimony trioxide, chlorinated and/or brominated aromatic compounds having a specified halogen content, aluminum hydroxide having a specified particle size, phosphoric acid tris-ester, and, optionally, quaternary tetra-alkyl ammonium salts. These additives impart an unexpectedly favorable combination of electrical surface properties, flameproof behavior and abrasion resistance.

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