Sizing for glass fibers

US5034276A · kind A · utility

Assignee

• Akademie der Wissenchaften der DDR · DE

Inventors

• Manfred Zwiersch · Dresden, DE
• Edith Mader · Dresden, DE
• Karl-Heinz Freitag · Lieberose, DE
• Rosemarie Plonka · Oschatz, DE
• Marianne Radatz · Oschatz, DE
• Heinz Momberg · Oschatz, DE
• Manfred Barth · Bad Wildbad, DE

Key dates

• Filing date: Feb 20, 1990
• Grant date: Jul 23, 1991
• Expiry date: Feb 20, 2010

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2962
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a sizing for the treatment of glass fibers, which are incorporated into thermoplastic materials as reinforcement. The sizing contains a Schiff's base, preferably in concentrations of 0.05 to 2% by weight, based on the dry matter. Through the use of a sizing with this component, the tensile and impact strength properties of the glass fiber-reinforced thermoplastic materials are improved significantly. Key Words Sizing, glass fibers, roving preparation, glass fiber reinforcement, thermoplastic materials, tensile properties, tenacity properties.