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    Bibenzoate copolyesters and methods to produce them

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    10767005.pdf (1.950Mb)
    Downloads: 18
    Publication Date
    2020-09-08
    Filing Date
    2016-10-07
    Inventor
    Liu, Haoyu
    Mondschein, Ryan J.
    Turner, S. Richard
    Long, Timothy E.
    Chen, Ting
    Metadata
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    Abstract
    Bibenzoate copolyesters are based on (4,4′-biphenyl dicarboxylic acid-co-3,4′-biphenyl dicarboxylic acid) as the diacid component, and on an alicyclic diol compound such as 1,4-cyclohexanedimethanol as a portion of the diol component. Copolyesters are based on 4,4′-biphenyl dicarboxylic acid, and/or 3,4′-biphenyl dicarboxylic acid as the diacid component and may include a multifunctional acid. Copolymers may optionally base an essentially amorphous morphology, high glass transition temperature, high elongation at break, and/or high melting temperature. A method to make the copolymers controls the characteristics of the copolyester selected from one or a combination of amorphous morphology or degree of crystallinity, Tg, Tm, tensile modulus, flexural modulus, elongation at break, and so on, by selecting the proportions of the 4,4′-biphenyl dicarboxylic acid or ester producing equivalent thereof, 3,4′-biphenyl dicarboxylic acid or ester producing equivalent thereof, and/or the proportion of the 1,4-cyclohexanedimethanol in the diol component.
    Assignee
    Virginia Tech Intellectual Properties, Inc.
    ExxonMobil Chemical Patents Inc.
    Patent Number
    10767005
    Application Number
    15571025
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/05/670/107/0.pdf
    Primary/U.S. Class
    Other/U.S. Class
    CPC Class
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/102837
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