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  • 1
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    Intercalated-Carbon Low-Resistivity Fibers (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Experiments show feasiblity of making lightweight, electrically conductive fibers from graphite intercalation compounds. Fibers thermally stable in air up to 100 degrees C. These materials used as ingredients in composite enclosures for electronic equipment, especially where such equipment must be both light in weight and electrically conductive for electrostatic drainage or radio-frequency suppression.
    Keywords: MATERIALS
    Type: NPO-16307 , NASA Tech Briefs (ISSN 0145-319X); 9; 2; P. 94
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Prepolymer Syrup for Encapsulating Solar Cells (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Clear polymer syrup, made by disolving n-butyl acrylate prepolymer in monomer, used to encapsulate solar cells by any of three standard processes (dipping, multiple coating, or automated machine coating). Use of cyclohexane instead of methanol/water solvent during initial polymerization stage maintains high molecular weight and raises yield of linear polymer to essentially 100 percent.
    Keywords: MATERIALS
    Type: NPO-15154 , NASA Tech Briefs (ISSN 0145-319X); 6; 4; P. 403
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Clear Film Protects Against Ultraviolet Radiation (1983)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Acrylic film contains screeing agent filtering ultraviolet radiation up to 380 nanometers in wavelength but passes other components of Sunlight. Film used to protect such materials as rubber and plastics degraded by ultraviolet light. Used as protective cover on outdoor sheets or pipes made of such materials as polyethylene or polypropylene and on solar cells.
    Keywords: MATERIALS
    Type: NPO-14971 , NASA Tech Briefs (ISSN 0145-319X); 7; 1; P. 33
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Nonyellowing Polycarbonate for Outdoor Use (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Two-step photochemical process prevents yellowing of polycarbonate plastics. Use of polycarbonate plastics growing in windows, aircraft glazing, and streetlight globes. New photochemical process causes formation of stabilizers bound to polymer chains and therefore cannot be leached out.
    Keywords: MATERIALS
    Type: NPO-15836 , NASA Tech Briefs (ISSN 0145-319X); 9; 1; P. 99
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Activated-Carbon Sorbent With Integral Heat-Transfer Device (1996)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Prototype adsorption device used, for example, in adsorption heat pump, to store natural gas to power automobile, or to separate components of fluid mixtures. Device includes activated carbon held together by binder and molded into finned heat-transfer device providing rapid heating or cooling to enable rapid adsorption or desorption of fluids. Concepts of design and fabrication of device equally valid for such other highly thermally conductive devices as copper-finned tubes, and for such other high-surface-area sorbents as zeolites or silicates.
    Keywords: MATERIALS
    Type: NPO-18802 , NASA Tech Briefs (ISSN 0145-319X); 20; 6; P. 66
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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