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1.
公开(公告)号:US10202492B2
公开(公告)日:2019-02-12
申请号:US15749926
申请日:2016-08-01
Applicant: SABIC Global Technologies B.V.
Inventor: Daniel Francis Lowery , Kelly Leung
Abstract: A thermoplastic composition is described herein including a first polyetherimide sulfone having a glass transition temperature of 250 to 290° C., and a second polyetherimide sulfone having a glass transition temperature of 230 to 249° C. The composition has an advantageous combination of optical properties including improved yellowness index, transmission, and haze. A method of manufacturing the thermoplastic composition and articles including the thermoplastic composition are also described. A method for improving the optical properties of a thermoplastic composition is also disclosed, where the method includes melt mixing the first and second polyetherimide sulfones, each having a glass transition temperature as defined herein. The method provides a composition having at least one of improved yellowness, haze, and transmission.
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公开(公告)号:US20210054206A1
公开(公告)日:2021-02-25
申请号:US16977494
申请日:2019-03-27
Applicant: SABIC Global Technologies B.V.
Inventor: Sarah E. Grieshaber , Malvika Bihari , Paul Dean Sybert , Kelly Leung
IPC: C08L83/10 , B29C64/118 , B33Y70/00
Abstract: A composition includes specific amounts of a block polycarbonate-polysiloxane, a core-shell impact modifier, and, optionally, a block polyestercarbonate. The core-shell impact modifier has a core that includes polydimethylsiloxane or poly(butyl acrylate) or both, and a shell includes a poly(methyl methacrylate). The block polyestercarbonate-polysiloxane and the block polyester-carbonate are present in a total amount of greater than 60 weight percent to 99 weight percent. And the block polyestercarbonate-poly-siloxane contributes 0.3 to 0.7 weight percent of dimethylsiloxane units to the composition. Also described are an article comprising the composition, and a method of additive manufacturing utilizing the composition.
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公开(公告)号:US10882956B2
公开(公告)日:2021-01-05
申请号:US16327108
申请日:2017-11-27
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Sarah E. Grieshaber , Malvika Bihari , Kelly Leung , Vikram K. Daga
IPC: C08G73/10 , C08G77/448 , C08G77/442 , C08L69/00 , C08K5/5399 , C08G77/14
Abstract: A polyetherimide composition includes specific amounts of a polyetherimide, a block polyestercarbonate, a block poly-carbonate-polysiloxane, and a core-shell impact modifier in which the core includes a polysiloxane and the shell includes a poly(alkyl (meth)acrylate). Relative to a corresponding composition lacking the core-shell impact modifier, the polyetherimide composition exhibits increased impact strength while substantially retaining flame retardancy. Also described are associated articles, including articles formed by additive manufacturing, and a method of additive manufacturing.
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4.
公开(公告)号:US20180223044A1
公开(公告)日:2018-08-09
申请号:US15749926
申请日:2016-08-01
Applicant: SABIC Global Technologies B.V.
Inventor: Daniel Francis Lowery , Kelly Leung
CPC classification number: C08G73/1064 , C08G73/1046 , C08L79/08 , C08L2205/025
Abstract: A thermoplastic composition is described herein including a first polyetherimide sulfone having a glass transition temperature of 250 to 290° C., and a second polyetherimide sulfone having a glass transition temperature of 230 to 249° C. The composition has an advantageous combination of optical properties including improved yellowness index, transmission, and haze. A method of manufacturing the thermoplastic composition and articles including the thermoplastic composition are also described. A method for improving the optical properties of a thermoplastic composition is also disclosed, where the method includes melt mixing the first and second polyetherimide sulfones, each having a glass transition temperature as defined herein. The method provides a composition having at least one of improved yellowness, haze, and transmission.
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公开(公告)号:US20200377657A1
公开(公告)日:2020-12-03
申请号:US16327108
申请日:2017-11-27
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Sarah E. Grieshaber , Malvika Bihari , Kelly Leung , Vikram K. Daga
IPC: C08G73/10 , C08L69/00 , C08G77/448 , C08G77/14 , C08K5/5399
Abstract: A polyetherimide composition includes specific amounts of a polyetherimide, a block polyestercarbonate, a block poly-carbonate-polysiloxane, and a core-shell impact modifier in which the core includes a polysiloxane and the shell includes a poly(alkyl (meth)acrylate). Relative to a corresponding composition lacking the core-shell impact modifier, the polyetherimide composition ex-hibits increased impact strength while substantially retaining flame retardancy. Also described are associated articles, including articles formed by additive manufacturing, and a method of additive manufacturing.
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公开(公告)号:US20200231753A1
公开(公告)日:2020-07-23
申请号:US16647780
申请日:2018-09-19
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Nitin Vilas Tople , Viswanathan Kalyanaraman , Kelly Leung , Thomas Link Guggenheim
IPC: C08G73/10
Abstract: A method for modifying a polyimide includes reacting a first polyimide with an amine to produce a second polyimide having an anhydride-amine stoichiometry of −2 to −40 mol % and reacting the second polyimide with a monoanhydride, a bis(anhydride), a bis(ether anhydride) or a tetracarboxylic acid to produce a final polyimide having an anhydride-amine stoichiometry of −1 to 2 mol %.
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