Aqueous vinylchloride/vinyl acetate/ethylene copolymers and process

US4189415A · kind A · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Herbert Eck · Burghausen, DE
• Christof Kemenater · Burghausen, DE
• Wilhelm Kaiser · Burghausen, DE
• Manfred Hannebaum · Burghausen, DE

Key dates

• Filing date: Jun 12, 1978
• Grant date: Feb 19, 1980
• Expiry date: Jun 12, 1998

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J127/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to aqueous copolymer dispersions containing high proportions of vinyl chloride units in the copolymer, together with vinyl acetate units and ethylene units, which dispersions contain only polyvinyl alcohol as protective colloid; as well as to their manufacture and to their use.