Optical glass fiber with a primary coating of acrylic acid ester groups-containing organo-polysiloxanes

US4969711A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Wolfgang Rogler · Erlangen, DE
• Helmut Markert · Nuremberg, DE
• Christian Weitemeyer · Essen, DE
• Dietmar Wewers · Bottrop, DE
• Goetz Koerner · Essen, DE

Key dates

• Filing date: Mar 25, 1988
• Grant date: Nov 13, 1990
• Expiry date: Mar 25, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2964
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Optical glass fibers are provided with a primary coating of organo-polysiloxanes, containing acrylic acid ester groups, corresponding to the general formula: ##STR1## where the primary coating is free of inert components capable of migration.