Organosilicon polymers, and dyes, exhibiting nonlinear optical response

US5605726A · kind A · utility

Assignee

• Herecules Incorporated · US

Inventors

• Wayne M. Gibbons · Bear, US
• Robert P. Grasso · Wilmington, US
• Michael K. O'Brien · Berwyn, US
• Paul J. Shannon · Exton, US
• Shao-Tang Sun · Newark, US

Key dates

• Filing date: Jun 2, 1995
• Grant date: Feb 25, 1997
• Expiry date: Jun 2, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31663
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Organosilicon polymers, including crosslinked polymers and crosslinkable prepolymers, of cyclic polysiloxanes, organic dyes, and, optionally, polyenes. The dyes include those with delocalized Pi electron systems linking electron donor groups and electron acceptor groups, and with at least two carbon-carbon double bond-containing pendant groups attached to at least two different sites from among the indicated delocalized Pi electron systems, donor groups, and acceptor groups. Also disclosed are optical substrates coated with the organosilicon crosslinked polymers exhibiting second order non-linear optical susceptibility.