Particulate expandable styrene polymers having good processability

US4029614A · kind A · utility

Assignee

• BASF SE

Inventors

• Eckhard Nintz · Ludwigshafen, DE
• Rupert Schick · Schifferstadt, DE
• Karl Seegmueller
• Erhard Stahnecker · Heidelberg, DE

Key dates

• Filing date: Apr 12, 1976
• Grant date: Jun 14, 1977
• Expiry date: Apr 12, 1996

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2325/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Particulate expandable styrene polymers containing organic halogen compounds and, to improve processability, from 0.0001 to 1.0% by weight, based on the styrene polymer, of an amine which is soluble in styrene and free from hydroxyl groups.