Preparation of pigmented curable polyester molding compounds

US5094797A · kind A · utility

Assignee

• BASF SE

Inventors

• Helmut Heel · Schifferstadt, DE
• Jan Holoch · Leimen, DE
• Gerd Esswein · Frankenthal (Pfalz), DE
• Friedrich Goffing · Schifferstadt, DE

Key dates

• Filing date: Sep 26, 1990
• Grant date: Mar 10, 1992
• Expiry date: Sep 26, 2010

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S525/935
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Pigmented curable polyester molding compounds which cure to give homogeneously colored moldings contain an unsaturated polyester, copolymerizable monomers, a thermoplastic polymer and a color pigment and are prepared by dispersing the pigment in the molten thermoplastic in an extruder.