Flame retardant combination for thermoplastic polymers l

US6547992B1 · kind B1 · utility

Assignee

• Clariant Corporation · DE

Inventors

• Elke Schlosser · Augsburg, DE
• Bernd Nass · Augsburg, DE
• Wolfgang Wanzke · Meitingen, DE

Key dates

• Filing date: Jan 29, 2000
• Grant date: Apr 15, 2003
• Expiry date: Jan 29, 2020

Classification

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

Abstract

The invention relates to a flame retardant combination for thermoplastic polymers comprising, as component A, a phosphinate of the formula (I) and/or a diphosphinate of the formula (II) and/or polymers of these whereR1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl;R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene;M are calcium ions, aluminum ions and/or zinc ions;m is 2 or 3;n is 1 or 3;x is 1 or 2,and, as component B, a synthetic inorganic compound and/or a mineral product.