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Title: Hybrid sol-gel optical materials

Patent ·
OSTI ID:868390
 [1]
  1. Albuquerque, NM
+ Show Author Affiliations

Hybrid sol-gel materials comprise silicate sols cross-linked with linear polysilane, polygermane, or poly(silane-germane). The sol-gel materials are useful as optical identifiers in tagging and verification applications and, in a different aspect, as stable, visible light transparent non-linear optical materials. Methyl or phenyl silicones, polyaryl sulfides, polyaryl ethers, and rubbery polysilanes may be used in addition to the linear polysilane. The linear polymers cross-link with the sol to form a matrix having high optical transparency, resistance to thermooxidative aging, adherence to a variety of substrates, brittleness, and a resistance to cracking during thermal cycling.

Research Organization:
AT&T
DOE Contract Number:
AC04-76DP00789
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 5130397
OSTI ID:
868390
Country of Publication:
United States
Language:
English

References (12)

Self-Developing Polysilane Deep-UV Resists - Photochemistry, Photophysics, And Submicron Lithography conference April 1985
New Hybrid Materials Incorporating Poly(tetramethylene oxide) into Tetraethoxysilane-Based Sol—Gel Glasses book January 1988
Organically Modified Silicates as Inorganic—Organic Polymers book January 1988
The perethylcyclopolysilanes (Et2Si)4 through (Et2Si)8 journal December 1983
The Ring Opening Reaction of Cyclopolysilanes, (R 2 Si) n ( n =3–6), with Iodine. A Kinetic Study journal February 1987
Polysilanes - prototypical σ-conjugated polymers journal January 1989
New Inorganic—Organic Hybrid Materials Through the Sol—Gel Approach book May 1989
Fractal Geometry of Silica Condensation Polymers journal October 1984
Ring-insertion and ring-opening reactions of octaethylcyclotetrasilane journal December 1983
Formation and rearrangement of sulfur-insertion products of octaethylcyclotetrasilane journal December 1983
Sol-gel transition in simple silicates II journal February 1984
Simultaneous curing and filling of elastomers journal December 1984

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Related Subjects

hybrid
sol-gel
optical
materials
comprise
silicate
sols
cross-linked
linear
polysilane
polygermane
poly
silane-germane
useful
identifiers
tagging
verification
applications
aspect
stable
visible
light
transparent
non-linear
methyl
phenyl
silicones
polyaryl
sulfides
ethers
rubbery
polysilanes
addition
polymers
cross-link
sol
form
matrix
transparency
resistance
thermooxidative
aging
adherence
variety
substrates
brittleness
cracking
thermal
cycling
linear polymers
non-linear optical
light transparent
sol-gel materials
thermal cycling
visible light
optical materials
sol-gel material
optical transparency
hybrid sol-gel
linear polysilane
materials comprise
silicate sols
sols cross-linked
comprise silicate
optical identifiers
verification applications
sol-gel optical
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