Free flowing chloropolyethylene, its manufacture and use

US4263200A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Wolfram Busch · Hochheim, DE
• Johannes Brandrup · Wiesbaden, DE
• Werner Sommer · Bad Soden am Taunus, DE
• Horst Semmler · Münstermaifeld, DE

Key dates

• Filing date: Apr 3, 1980
• Grant date: Apr 21, 1981
• Expiry date: Apr 3, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2323/28
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Free-flowing chloropolyethylene in powder form which keeps this property after prolonged storage and has good processing properties is impregnated substantially on the particle surface with definite amounts of fine-grained vinyl chloride polymer and fine-grained organic substance in a definite proportion. The invention also relates to a process for the manufacture of such an improved chloropolyethylene and the use thereof.