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    Compositions and articles made from branched polyetherimides
    1.
    发明授权
    Compositions and articles made from branched polyetherimides 有权

    公开(公告)号：US11286347B2

    公开(公告)日：2022-03-29

    申请号：US16472150

    申请日：2017-12-29

    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

    Inventor： Roy Ray Odle ,  Peter Johnson ,  Manojkumar Chellamuthu ,  Hee Won Kong

    IPC: C08G73/10 ,  C08L79/08 ,  C08G73/12

    Abstract: A branched polyimide of the formula (I) wherein G is a group having a valence of t, present in an amount of 0.01 to 10 mol %, or 0.05 to 5 mol %, or 0.1 to 4 mol %, or 0.1 to 3 mol %, each of Q, M, D, V, and R are as defined herein, q is 0 or 1, m is 0 or 1, d is 0 or 1, p is 1 or 2, t is 2 to 6, preferably 2 to 4, and each n is independently the same or different, and is 1 to 1,000, provided that the total of all values of n is greater than 4, wherein the branched polyimide has a zero-shear viscosity in a range from 500 to 15,000 Pa·s, a rheology ratio of 1.1 to 5, and a strain hardening ratio of 1 to 6.

    THERMOPLASTIC POLYIMIDES, METHOD FOR THE MANUFACTURE THEREOF, AND ARTICLES PREPARED THEREFROM
    2.
    发明申请
    THERMOPLASTIC POLYIMIDES, METHOD FOR THE MANUFACTURE THEREOF, AND ARTICLES PREPARED THEREFROM 审中-公开

    公开(公告)号：US20190040201A1

    公开(公告)日：2019-02-07

    申请号：US16073518

    申请日：2017-01-30

    Applicant: SABIC Global Technologies B.V.

    Inventor： Dadasaheb V. Patil ,  Manojkumar Chellamuthu

    IPC: C08G73/10 ,  B29C67/24

    Abstract: A polymer composition including a polyetherimide comprising repeating units of formula (1) and formula (2) [Formula should be inserted here] wherein the repeating units of formula (1) are present in an amount of at least 10 mole %, preferably 20 to 100 mole %, Z is independently at each occurrence derived from a biphenol; Z′ is independently at each occurrence a group of formulas (3) to (13) as defined herein, preferably bisphenol A, 1,2-dihydroxybenzene, 1,1-bis(4-hydroxyphenyl)-1-phenyl-ethane, isophorone bisphenol (1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane), spirobiindane bisphenol, dimethylindanone bisphenol, 3,3′-dimethylbisphenol cyclohexane, or fluorenone bisphenol; and R is independently at each occurrence as a C6-20 aromatic hydrocarbon group or a halogenated derivative thereof, a straight or branched chain C2-20 alkylene group or a halogenated derivative thereof, a C3-8 cycloalkylene group or halogenated derivative thereof; wherein the polyetherimide has a Tg of greater than 200° C.

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