Thermotropic and optical properties of chiral nematic polymers. [poly(. gamma. -benzyl L-glutamate)]
Conference
·
OSTI ID:6932451
The thermotropic and optical properties of methacrylate copolymers and chemically modified poly(..gamma..-benzyl L-glutamate) were investigated as part of our effort to explore the optical applications of these materials. It was found that besides the commonly cited comonomer ratio, physical blending and annealing followed by quenching represent a new and more flexible means to tune the selective reflection wavelength. In the poly (..gamma..-benzyl L-glutamate) systems, it appears that the relatively high melt viscosity is capable of sustaining the cholesteric mesophase, generated by annealing and quenching, up to 100/degree/C. 22 refs., 8 figs.
- Research Organization:
- Rochester Univ., NY (USA). Lab. for Laser Energetics
- DOE Contract Number:
- FC08-85DP40200
- OSTI ID:
- 6932451
- Report Number(s):
- DOE/DP/40200-76; CONF-880606-6; ON: DE88016987
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
360603* -- Materials-- Properties
42 ENGINEERING
420300 -- Engineering-- Lasers-- (-1989)
AMINO ACIDS
ANNEALING
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
CHIRALITY
COPOLYMERIZATION
COPOLYMERS
CRYSTALS
ESTERIFICATION
ESTERS
FLUIDS
GLUTAMIC ACID
HEAT TREATMENTS
LASER MATERIALS
LIQUID CRYSTALS
LIQUIDS
MATERIALS
METHACRYLATES
OPTICAL PROPERTIES
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PARTICLE PROPERTIES
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
POLYMERIZATION
POLYMERS
QUENCHING
WAVELENGTHS
360601 -- Other Materials-- Preparation & Manufacture
360603* -- Materials-- Properties
42 ENGINEERING
420300 -- Engineering-- Lasers-- (-1989)
AMINO ACIDS
ANNEALING
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
CHIRALITY
COPOLYMERIZATION
COPOLYMERS
CRYSTALS
ESTERIFICATION
ESTERS
FLUIDS
GLUTAMIC ACID
HEAT TREATMENTS
LASER MATERIALS
LIQUID CRYSTALS
LIQUIDS
MATERIALS
METHACRYLATES
OPTICAL PROPERTIES
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PARTICLE PROPERTIES
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
POLYMERIZATION
POLYMERS
QUENCHING
WAVELENGTHS