Polyamidoimides prepared from trimelitic acid anhydride, isocyanates and either lactams or polyamides using a mixture of diisocyanatodiphenylmethane and tolylene diisocyanates

US4546162A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wilfried Zecher · Leverkusen, DE
• Willi Dunwald · Leverkusen, DE
• Rudolf Merten · Leverkusen, DE
• Klaus Reinking · Wermelskirchen, DE

Key dates

• Filing date: Aug 27, 1984
• Grant date: Oct 8, 1985
• Expiry date: Aug 27, 2004

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31605
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to certain new aliphatic-aromatic polyamidoimides suitable for use as non-clouding electroinsulating lacquers and duroplasts.