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    Epoxy/Fluoroether Composites (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Composite materials made from unfilled and glass-fiber-reinforced epoxy toughened by copolymerization with elastomeric prepolymers of perfluoroalkyl ether diacyl fluoride (EDAF). Improved properties due to hydrogen bonding between rubber phase and epoxy matrix, plus formation of rubberlike phase domains that molecularly interpenetrate with epoxy matrix. With optimum rubber content, particle size, and particle shape, entire molecular structure reinforced and toughened. Improved composites also show increased failure strength, stiffness, glass-transition temperature, and resistance to water.
    Keywords: MATERIALS
    Type: ARC-11418 , NASA Tech Briefs (ISSN 0145-319X); 9; 3; P. 86
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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