Flame retardant-stabilizer combination for thermoplastic polymers

US9534109B2 · kind B2 · utility

Assignee

• CLARIANT INTERNATIONAL LTD · CH

Inventors

• Sebastian Hoerold · Diedorf, DE
• Wolfgang Wanzke · Meitingen, DE
• Elke Schlosser · Augsburg, DE

Key dates

• Filing date: Jul 6, 2011
• Grant date: Jan 3, 2017
• Expiry date: Sep 29, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/5313
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A flame retardant-stabilizer combination for thermoplastic polymers, comprising as component A a phosphinic salt of the formula (I) and/or of a diphosphinic salt of the formula (II) and/or polymers thereof, as component B a nitrogen-containing synergist or a phosphorus/nitrogen flame retardant, and as component C a metal oxide coated with a metal salt and/or metal hydroxide coated with a metal salt.