Bismaleimide resin systems toughened by addition of preformed functionalized low T.sub.g elastomer particles

US5532296A · kind A · utility

Assignee

• CYTEC TECHNOLOGY CORP. · US

Inventors

• Hans-Gert Recker · Ludwigshafen, DE
• Helmut Tesch · Bad Dürkheim, DE
• Thomas Weber · Ludwigshafen, DE
• Volker Altstaedt · Gernsheim, DE
• Jack D. Boyd · Westminster, US

Key dates

• Filing date: Sep 24, 1993
• Grant date: Jul 2, 1996
• Expiry date: Sep 24, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2379/08
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Bismaleimide resin systems and fiber reinforced prepregs prepared therefrom having exceptional toughness are prepared by dispersing into a bismaleimide base resin system preformed functionalized elastomer particles having a T.sub.g of less than 10.degree. C.