Stabilizer system for stabilizing halogen-containing polymers

US7393887B2 · kind B2 · utility

Assignee

• Crompton Corporation · US

Inventors

• Hans-Helmut Friedrich · Herbstein, DE
• Karl-Josef Kuhn · Herbstein, DE
• Wolfgang Wehner · Ober-Ramstadt, DE
• Thomas Hopfmann · Lampertheim, DE

Key dates

• Filing date: Apr 3, 2006
• Grant date: Jul 1, 2008
• Expiry date: Apr 3, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/17
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A composition and process is disclosed for the stabilization of halogen-containing polymers. In particular, chlorine-containing polymers such as poly vinyl chloride (PVC) are stabilized by incorporating of a stabilizer mixture having at least a perchlorate salt and an alkanolamine.