𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Effects of fluorinated substituents on the refractive index and optical radiation resistance of methacrylates

✍ Scribed by Justin Gaynor; Gregory Schueneman; Paul Schuman; Julie P. Harmon

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
496 KB
Volume
50
Category
Article
ISSN
0021-8995

No coin nor oath required. For personal study only.

✦ Synopsis

Novel fluorinated methacrylate polymers were synthesized. The purpose was to produce polymers with low refractive indices and increased resistance to optical radiation damage. Six different fluorinated substituents were appended on the monomer before polymerization. Optical-quality samples were prepared, and their transmission spectra, through 0.8 cm thick samples, were obtained. Each sample was tested for refractive index and glass transition temperature. The samples absorbed 10 MRad gamma radiation from a 6oCo source in an air environment; their transmission spectra were recorded immediately after irradiation and again after seven days had elapsed. As expected, increasing the fluorine content in the side chains resulted in decreased refractive indices. Fluorine content also influenced optical radiation stability. One polymer, poly ( lH,lH-heptafluorobutyl methacrylate) retained superior UV/visible transmission after irradiation.

πŸ“œ SIMILAR VOLUMES

Effect of penta- and tetramethyl HALS on
Effect of penta- and tetramethyl HALS on the radiation resistance of polypropylene
✍ Huiliang Wang; Wenxiu Chen πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 203 KB πŸ‘ 1 views

2,2,6,6-Tetramethyl-4-piperidinyl methacrylate (TMPM), a new pentamethyl HALS 1,2,2,6,6-pentamethyl-4-piperidinyl methacrylate (PMPM), their homopolymers (PTMPM and PPMPM), and their copolymers, [i.e., TMPM or PMPM copolymerized with monomers methyl methacrylate (MMA), methacrylic acid (MAA), acryli

Deuterium isotope effect on the refracti
Deuterium isotope effect on the refractive index of liquids and its application to permeation chromatography
✍ Yvon P. Carignan; Edward V. Turngren πŸ“‚ Article πŸ“… 1971 πŸ› John Wiley and Sons 🌐 English βš– 253 KB πŸ‘ 2 views

## Synopsis llilferences in refractive index between deuterated and normal solvents have been determined using a conventional gel permeation chromatograph equipped with a differential refractometer detector. Three molecular systems have been studied, namely, walerdeuterium oxide, acetone-acetone (

Effect of axial linear and sinusoidal va
Effect of axial linear and sinusoidal variation of the core refractive index on the propagation of some low-order modes in an optical fiber
✍ P. C. Pandey; S. P. Ojha πŸ“‚ Article πŸ“… 2000 πŸ› John Wiley and Sons 🌐 English βš– 95 KB πŸ‘ 2 views

The design of an orthogonal polarization axicon beam splitter that operates in the IR, visible, and UV ranges is presented. Ε½ The device generates orthogonal right-handed and left-. handed circular polarization states. The OCPABS consists of an absorbing substrate coated with a single-layer thin fi