Abstract: Provided are new 2PA chromophores of the formula: wherein X=para- or meta-NO2; para- or meta-NH2; and CnHn+1 is either a straight or branched alkyl chain, and n is an integer from 1-20.

Abstract: Novel aromatic AB2 imide monomer with thermally reactive trialkylsiloxy and aryl fluoride moieties, which can be polymerized to form hyperbranched aromatic polyimides in the presence of a metal fluoride catalyst. Nanoclay composites were generated by either (i) direct blending of a preformed hyperbranched aromatic polyimide and Closite nanoclay (?20 wt %) or (ii) blending of the AB2 monomer, CsF catalyst and Closite nanoclay (?20 wt %) followed by thermal solid-state polymerization of the AB2 monomer homogeneously dispersed in the nanoclay.

Abstract: A poly(ether-ketone) composite of the formula: wherein CNF is carbon nanofibers and MWNT is multi-walled carbon nanotubes; wherein Ar represents ether-ketone repeating groups of the formula wherein Q is —O— or —O—(CH2)n—O—, wherein n has a value of 2-12; wherein R is —H, —CH3, or —C2H5, m has a value of 1 or 2; wherein R? is —H or —CH3; and wherein — denoted the presence of a direct C—C bond between Ar and CNF or MWNTg Also provided is a process for preparing the composite.

Abstract: In accordance with the present invention there are provided hyperbranched benzobisazole polymers having repeating units of the formulas: and hyperbranched bibenzazole polymers having repeating units of the formulas: wherein Q is —S— or —NH—; the terminal groups X and Y are COOH and respectively, with their total number (X+Y) equals n+1, where n=degree of polymerization. The ratio X:Y can be controlled by varying the stoichiometric ratio of trimesic acid (A3 monomer) and 2,5-diamino-1,4-dimercaptobenzene dihydrochloride (B2 monomer) from 1:1 to 1.1.35.

Abstract: A composition is provided in which carbon nanofibers are functionalized with at least one moiety where the moiety or moieties comprise at least one bivalent radical. The composition can include a nanocomposite, such as polyimide films. Methods for making functionalized carbon nanofibers and nanocomposites are also provided.

Abstract: Functionalized detonation nanodiamond particulates of the formula: wherein Ar is selected from the group consisting of: wherein R is selected from the group consisting of H, H3C—(CH2)n— and wherein n has a value of 0-10. Also provided is a process for functionalizing detonation nanodiamonds particulates.

Abstract: Novel ether-ketone-imide hyperbranched polymers with thermally reactive ethynyl endgroups were prepared from the corresponding AB2 monomer and the respective benzophenone-based endcapping agents in one-pot fashion. The resulting polymer has repeating units of the formula: where the chain-end groups, Ar is a benzophenone with an ortho, a meta- or a para-ethynyl substituent.

Abstract: Novel ether-ketone-imide hyperbranched polymers with non-reactive benzophenone or thermally reactive phenylethynyl endgroups were prepared from the corresponding AB2 monomer and benzophenone-based endcapping agent in one-pot fashion. The resulting polymer has repeating units of the formula: where the chain-end groups, Ar's, are 4-benzophenone or 4-benzophenone with ortho, meta- or para-phenylethynyl substituents in the 4?-position.

Abstract: Hyperbranched benzazole polymers having repeating units of the formula: wherein Q is —O—, —S— or —NH—, and the terminal groups R are carboxylic acids with their total number equals n+1. A generic method for preparing the polymers is provided. Also provided are the star block copolymers derived from these hyperbranched benzazole polymers and linear poly(ether-ketones) having the following generic formula where x and y are the numbers of repeat units for each poly(ether-ketone) chain; the placement of the carbonyl moieties in the repeat units of the poly(ether-ketone) chains can be either meta or para to the phenoxy groups; the maximal number of poly(ether-ketone) chains is n+1, where n=number of repeat units for hyperbranched polybenzazole). A general method for synthesizing these star block copolymers is provided.

Abstract: A novel o-aminophenol-carboxylic AB-monomer with the following chemical structure: for synthesizing new rigid-rod polybenzobisazoles was prepared from the corresponding nitrobenzothiazolecarboxylic acid via an enzymatic process.

Abstract: A composition is provided in which carbon nanofibers are functionalized with at least one moiety where the moiety or moieties comprise at least one bivalent radical. The composition can include a nanocomposite, such as polyimide films. Methods for making functionalized carbon nanofibers and nanocomposites are also provided.

Abstract: Provided are new two-photon absorbing chromophores of the formula: wherein R is an alkyl group having 1 to 20 carbon atoms and Q is OH, OMe, propargyloxy-(O—CH2—C?CH), methylpropargyloxy-(O—CH2—C?C—CH3), allyloxy-(O—CH2—C?CH2),1-methyl-allyloxy(O—CH2—CH?CHCH3) and 3-methyl-allyloxy (O—CH(CH3)—CH?CH2).

Abstract: The invention relates to fullerene compounds of the following formula: in which X1, X2, X3, X4, X5, Y1, Y2, V, W, F, E, R, r, n, p, and q are defined as in the specification. Also disclosed are pharmaceutical compositions containing one of the compounds described above.

Abstract: Provided are chromophores of the formula: wherein R is an alkyl group having 1 to 20 carbon atoms, and Q is —(CH2)n—Br, and wherein n has a value of 2–6.

Abstract: Functionalized nanoscale carbon fibers and tubes of the formula: wherein Ar is selected from the group consisting of: wherein R is selected from the group consisting of H, H3C—(CH2)n— and wherein n has a value of 0–10. Also provided is a process for functionalizing nanoscale carbon fibers or tubes.

Abstract: A novel AB2 monomer, 2,3-bis(4-phenyloxyphenyl)-6-quinoxaline carboxylic acid.

Abstract: An end-capped quinoxaline-containing hyperbranched ether-ketone polymer having repeating units of the formula: wherein n represents the degree of polymerization for the parent hyperbranched polymer, x represents the degree of endgroup functionalization, x has a value of 0.05 to 1.0, and G is selected from the group consisting of and alkyl having 2 to 16 carbon atoms, and a method for preparing the polymer are provided.

Abstract: The invention relates to fullerene compounds of the following formula: in which X1, X2, X3, X4, X5, Y1, Y2, V, W, F, E, R, r, n, p, and q are defined as in the specification. Also disclosed are pharmaceutical compositions containing one of the compounds described above.

Abstract: Provided are new TPA chromophores of the formula: wherein R is an alkyl group having 1 to 20 carbon atoms and Q is —C6H13, —CH2—C6H5, or —C6H11.

Abstract: A quinoxaline-containing hyperbranched ether-ketone polymer having repeating units of the formula: and a method for preparing the polymer are provided.