Patent · US Expired

Extremely finely divided inorganic powders as flame retardants in thermoplastic moulding compositions

US5849827A · kind A · utility

28Cited by

4References

21Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Michael Bödiger · Dormagen, DE
Thomas Eckel · Dormagen, DE
Dieter Wittmann · Leverkusen, DE
Heinrich Alberts

Key dates

Filing date	Aug 7, 1996
Grant date	Dec 15, 1998
Priority date	—
Expiry date	Aug 7, 2016

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/0066
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Thermoplastic molding compositions containing: PA1 A. A thermoplastic polymer of ethylenically unsaturated monomers or a polycondensate of bifunctional reactive compounds, PA1 B. 0.01 to 50, preferably 0.1 to 10 parts by weight per 100 parts by weight of (A) of extremely finely divided inorganic powder with a mean particle diameter of 1 to 200 nm, preferably 1 to 150 nm, in particular 1 to 100 nm and PA1 C. 0.1 to 50, preferably 0.5 to 20 parts by weight per 100 parts by weight of (A) of flame retardant.

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