Abstract:
Cationic polymers are provided that comprise monomeric units of Formula (V). (V) Each asterisk (*) indicates an attachment position to another monomeric unit; R is hydrogen or methyl; each R2 is each independently an alkyl, aryl, or a combination thereof; L is a linking group comprising an alkylene group; and +R3 is a cationic nitrogen-containing group free of any N-H bonds. Membranes formed from said cationic polymers, devices including such membranes, and methods of making such cationic polymers are also provided.
Abstract:
A cationic copolymer comprises the divalent monomer units: wherein: each Ar1 independently represents phenylene; each L independently represents a direct bond or wherein each R1 independently represents an alkyl group having 1 to 4 carbon atoms, and each R2 independently represents an alkylene group having from 1 to 6 carbon atoms, and each Z- represents a non-interfering anion; each Ar2 independently represents an optionally substituted divalent aryl ring, with the proviso that if L represents a direct bond, then Ar2 represents an optionally substituted cationic divalent aryl ring accompanied by Z-; each R3 independently represents H or an alkyl group having 1 to 6 carbon atoms; and each D independently represents a direct bond or Ar2, wherein adjacent D and L are not both direct bonds, and wherein if L is a direct bond, then D is Ar2. The cationic copolymer can be free-radially cured and used in a membrane.
Abstract:
Transfer films, articles made therewith, and layer-by-layer methods of making and using transfer films to form an inorganic optical stack are disclosed.
Abstract:
A composition comprising at least one first divalent unit represented by formula (A) or formula (B); and at least one of a second divalent unit comprising a pendant Z group or a monovalent unit comprising a thioether linkage and a terminal Z group, wherein each Z group is independently selected from the group consisting of -P(O)(OY) 2 and -O-P(O)(OY) 2 . Rf is a perfluoropolyether group. Q is selected from the group consisting of a bond, -C(O)-N(R 1 )-, and -C(O)-O-. R", R'", R and R 1 are each independently selected from the group consisting of hydrogen and alkyl having from 1 to 4 carbon atoms. X is selected from the group consisting of alkylene, arylalkylene, and alkylarylene, wherein alkylene, arylalkylene, and alkylarylene are each optionally interrupted by at least one ether linkage. Y is selected from the group consisting of hydrogen, alkyl, trialkylsilyl, and a counter cation. Methods of treating a surface using these compositions and articles with a surface in contact with these compositions are provided. Methods of making these compositions are also provided.
Abstract:
An electrochemically active material includes composite particles. The composite particles include an alloy material comprising particles The alloy particles have the formula: SixMyCz, where x, y, and z represent atomic % values, and (a) x + y+ z = 100%; (b) x>2y+z; (c) x and y are greater than 0; z is equal to or greater than 0; and (d) M is iron and optionally one or more metals selected from manganese, molybdenum, niobium, tungsten, tantalum, copper, titanium, vanadium, chromium, nickel, cobalt, zirconium, yttrium. The composite particles also include a carbonaceous coating at least partially surrounding the particles, and an organosilane containing surface modifier bonded to an external surface of the composite particles. The organosilane containing surface modifier does not comprise a terminal amino group.
Abstract translation:电化学活性材料包括复合颗粒。 所述复合颗粒包括含颗粒的合金材料。所述合金颗粒具有式:SixMyCz,其中x,y和z表示原子%值,并且(a)x + y + z = 100%; (b)x> 2y + z; (c)x和y大于0; z等于或大于0; 和(d)M是铁和任选地选自锰,钼,铌,钨,钽,铜,钛,钒,铬,镍,钴,锆,钇的一种或多种金属。 复合颗粒还包括至少部分包围颗粒的含碳涂层和粘合到复合颗粒外表面的含有机硅烷的表面改性剂。 含有机硅烷的表面改性剂不包含末端氨基。 p>
Abstract:
Articles include a substrate surface with a layer of indium-tin oxide, and a cured resin layer of less than 25 micrometers thickness at least partially covering the indium-tin oxide layer. The cured resin layer is the cured product of a curable mixture including at least one acid-functional (meth)acrylate, and at least one initiator, and may include additional co-curable monomers and/or crosslinkers. Methods for preparing articles include providing a substrate with a layer of indium-tin oxide, providing a curable resin mixture, contacting the curable resin mixture to at least a portion of the layer of indium-tin oxide at a thickness of 1-25 micrometers; and curing the curable resin mixture. The curable resin mixture may be coated on the layer of indium-tin oxide, or it may be coated onto a processing substrate, and then laminated to the layer of indium-tin oxide.
Abstract:
A transparent display is disclosed that includes a display screen. The display screen includes a first film that includes a first transparent conductor disposed upon a first transparent substrate and a second film that includes a second transparent conductor disposed upon a second transparent substrate. A first polymeric liquid crystal composition containing spacer beads is disposed between the first film and the second film. At least one of the first transparent conductor and the second transparent conductor is shaped, or at least one of the first transparent conductor and the second transparent conductor is patterned. Also, disclosed is a display system that includes the disclosed display screen and an illumination device for projecting light onto or through the display screen. Finally, a method of constructing a display screen is also disclosed.
Abstract:
A method comprising: providing a transparent electrically conductive film comprising: a transparent substrate (14); a composite layer (18) comprising: an electrically conductive layer disposed on at least a portion of a major surface of the transparent substrate (14) and comprising a plurality of interconnecting metallic nanowires (12); and a polymeric overcoat layer disposed on a portion of the electrically conductive layer, to provide a coated area of the electrically conductive layer; and patternwise exposing the coated area of the electrically conductive layer to a corona discharge to provide a patternwise exposed electrically conductive film comprising (1) an un exposed region (122) of the coated region having a first electrical resistivity, and (2) an exposed region (121) having a second electrical resistivity; wherein the exposed region is less electrically conductive than the unexposed region, and wherein there is a ratio of the second electrical resistivity over the first electrical resistivity of at least 1000:1.
Abstract:
A transparent electrical conductor (10; 20), comprising a transparent substrate (14; 201); a composite layer (18; 28) comprising an electrically conductive layer (12) disposed on at least a portion of a major surface of the transparent substrate (14; 201) and comprising a plurality of interconnecting metallic nanowires, and a polymeric overcoat layer (16) disposed on at least a portion of the electrically conductive layer (12); wherein a pattern in the composite layer includes an x-axis and a y-axis of an x-y plane of the composite layer and a z- axis into the x-y plane of the composite layer, and the pattern defines a plurality of electrically conductive regions (24, 24') in the x-y plane of the composite layer (18; 28), wherein the electrically conductive regions (24, 24') are separated from each other by electrically insulative traces (21), each of which defines a valley into the z-axis of the x-y plane of the composite layer (18; 28), the valley having a maximum depth (27) in a range from 50 nanometers to 100 nanometers relative to the x-y plane of the composite layer (18; 28), wherein the valley has a cross-sectional width (M1) in a range from 10 micrometers to 1000 micrometers, and wherein the valley further comprises a plurality of crevices (22) having a depth (23) in a range from 50 nanometers to 100 nanometers further into the z-axis of the x-y plane of the composite layer (18; 28). Methods for pattemwise irradiating transparent electrodes (10; 20) to generate electrically insulating traces (21) are also described.
Abstract:
A method for forming an inorganic or hybrid organic/inorganic layer on a substrate, which method comprises vaporizing a metal alkoxide, condensing the metal alkoxide to form a layer atop the substrate, and contacting the condensed metal alkoxide layer with water to cure the layer is disclosed.