Accession Number:

ADA280210

Title:

Organic NonLinear Optical Polymers. 6. High Performance Materials Based on the Poly(p-phenylene) Backbone.

Descriptive Note:

Technical rept. 1 Jun 93-31 May 94,

Corporate Author:

UTAH STATE UNIV LOGAN DEPT OF CHEMISTRY AND BIOCHEMISTRY

Personal Author(s):

• Wright, Michael E.
• Toplikar, Edward G.
• Lackritz, Hilary S.
• Subrahmanyan, Suchitra

Report Date:

1994-05-28

Pagination or Media Count:

26.0

Abstract:

This paper describes preliminary work exploring the feasibility of preparing high-performance NLO-materials based on the polyp-phenylene PPP backbone. Three new monomerNLO-phores of the general formula 4- RS02C6H4Ctriple bondsC4-XC6H4 where R 2,5-dichlorophenyl 2a, X H 2b, X OMe 2c, X NMe2 were synthesized and then homopolymerized using catalytic nickel and stoichiometric zinc to produce the polyp-phenylenes, 3a-c, respectively, as low molecular weight materials M sub n 1800-6000. Both NLO- phores 2b-c dispersed in PMMA displayed good SHG signal stability at ambient temperature approx. 12 loss100 h. The oligomeric materials dispersed in PMMA showed a lower magnitude of X2 or no NLO signal. Attempts to induce dipolar asymmetry in the homopolymers 3b and 3c by corona poling were unsuccessful. NonLinear optical, Corona poling, High performance polymers, Polyphenylene.

Descriptors:

• *POLYMERS
• *NONLINEAR OPTICS
• *ORGANIC COMPOUNDS
• *POLYPHENYLENES
• TEMPERATURE
• STABILITY
• COMPOSITE MATERIALS
• POLYMETHYL METHACRYLATE
• SIGNALS
• MONOMERS
• CORONAS
• OLIGOMERS
• STOICHIOMETRY
• NICKEL
• CATALYSTS
• ZINC
• WEIGHT
• ASYMMETRY
• ELECTRIC FIELDS
• MOLECULAR WEIGHT
• SECOND HARMONIC GENERATION
• MATERIALS

Subject Categories:

• Organic Chemistry
• Physical Chemistry
• Polymer Chemistry
• Electricity and Magnetism

Distribution Statement:

APPROVED FOR PUBLIC RELEASE