NOVEL RESPONSIVE POLYMER SYSTEM AND NANOHYBRID THIN FILMS
申请人:Lu Jennifer
公开号:US20120038249A1
公开(公告)日:2012-02-16
This disclosure discloses novel responsive polymers that comprise a rod segment and (or) a coil segment. This disclosure also discloses nanomaterial-polymer composite comprising the responsive polymers that are covalently linked with nanomaterials. Also disclosed are polymeric transducer materials and sensor systems that comprise the nanomaterial-polymer composite.
POLY(IMIDE-AMIDE) COPOLYMER, A METHOD FOR PREPARING A POLY(IMIDE-AMIDE) COPOLYMER, AND AN ARTICLE INCLUDING A POLY(IMIDE-AMIDE) COPOLYMER
申请人:SAMSUNG ELECTRONICS CO., LTD.
公开号:US20170121460A1
公开(公告)日:2017-05-04
A poly(imide-amide) copolymer, which is a product of a reaction between a diamine including an amide structural unit-containing oligomer represented by Chemical Formula 1 and a dianhydride represented by Chemical Formula 3:
wherein, groups and variables in Chemical Formulae 1 and 3 are the same as described in the specification.
TRANSPARENT POLYMER FILM AND ELECTRONIC DEVICE INCLUDING THE SAME
申请人:SAMSUNG ELECTRONICS CO., LTD.
公开号:US20170145166A1
公开(公告)日:2017-05-25
A composition for preparing an organic/inorganic hybrid poly(amide-imide) copolymer including a poly(amide-imide) copolymer, a poly(amide-amic acid) copolymer, or a poly(amide-imide/amic acid) copolymer including a structural unit represented by Chemical Formula 1; and a structural unit represented by Chemical Formula 2, a structural unit represented by Chemical Formula 3, or a combination thereof, and a polyhedral oligomeric silsesquioxane including a functional group capable of forming a hydrogen bond:
wherein in Chemical Formulae 1 to 3, A, B, D, and E are the same as defined in the detailed description.
POLY(AMIDE-IMIDE) COPOLYMER FILM, AND DISPLAY DEVICE INCLUDING SAME
申请人:SAMSUNG ELECTRONICS CO., LTD.
公开号:US20170183462A1
公开(公告)日:2017-06-29
A poly(amide-imide) copolymer film having a compressive modulus of greater than or equal to about 1.8 gigaPascals and a yellowness index of less than or equal to about 3, when measured according to an ASTM E313 standard.
POLYIMIDE FILM, COMPOSITION FOR PREPARING POLYIMEDE FILM, AND DISPLAY DEVICE INCLUDING POLYIMIDE FILM
申请人:SAMSUNG ELECTRONICS CO., LTD.
公开号:US20180148543A1
公开(公告)日:2018-05-31
A polyimide film having tensile modulus of greater than or equal to about 5 gigapascals, and yellowness index of less than 2.5, when measured at a thickness of the film between 50 micrometers to 100 micrometers, wherein the polyimide film is a reaction product of a combination including an aromatic dianhydride and an aromatic diamine, wherein the aromatic dianhydride includes 4,4′-oxydiphthalic anhydride.