Abstract: A nanoporous film and fabrication method thereof. The method for fabricating nanoporous film comprising: providing a substrate with a surface; forming a coating of a composition on the surface, curing the coating to polymerize the oxide gel, thereby forming an organic/inorganic hybrid film; and dissolving the template from the organic/inorganic hybrid film by an organic solvent. Specifically, the composition comprises the following components: an oxide gel, a template and an initiator.

Abstract: An antireflective coating composition, antireflection films and fabrication method thereof. The antireflection film is constructed by stacked crosslink colloid particles, having a plurality of nanopores distributed uniformly therein. Due to the nanopores, the antireflection film has a refractive index less than 1.45, reducing the reflectivity of less than 3.0%. Furthermore, since the antireflection film comprises crosslink oxide colloid, the film exhibits superior mechanical strength and is suitable for use in display devices.

Abstract: A nanopatterned template for use in manufacturing nanoscale objects. The nanopatterned template contains a nanoporous thin film with a periodically ordered porous geomorphology which is made from a process comprising the steps of: (a) using a block copolymerization process to prepare a block copolymer comprising first and second polymer blocks, the first and second polymer blocks being incompatible with each other; (b) forming a thin film under conditions such that the first polymer blocks form into a periodically ordered topology; and (c) selectively degrading the first polymer blocks to cause the thin film to become a nanoporous material with a periodically ordered porous geomorphology. In a preferred embodiment, the block copolymer is poly(styrene)-poly(L-lactide) (PS-PLLA) chiral block copolymer, the first polymer is poly(L-lactide), and the second polymer is polystyrene.

Abstract: An infrared cut-off hard coating. The infrared cut-off hard coating comprises the product through the following steps. A coating of a composition is formed, wherein the composition comprising the following components as a uniform solution in an organic solvent: a multi-functionality polymerizable resin, infrared cut-off particles, and a free radical initiator. The coating is cured to form the infrared cut-off hard coating with a thickness of not less than 1000 nm. Due to the sufficient thickness thereof, the infrared cut-off hard coating has improved supportability and surface hardness.

Abstract: An antireflective coating composition, antireflection films and fabrication method thereof. The antireflection film is constructed by stacked crosslink colloid particles, having a plurality of nanopores distributed uniformly therein. Due to the nanopores, the antireflection film has a refractive index less than 1.45, reducing the reflectivity of less than 3.0%. Furthermore, since the antireflection film comprises crosslink oxide colloid, the film exhibits superior mechanical strength and is suitable for use in display devices.

Abstract: A nanoporous film and fabrication method thereof. The nanoporous film according to the present invention has a plurality of nanopores distributed uniformly therein. Due to the nanopores, the nanoporous film has a refractive index less than 1.45, reducing the reflectivity of less than 3.0%. Furthermore, since the nanoporous film comprises organic-inorganic hybrid with a high crosslink density, the film exhibits superior mechanical strength and is highly suitable for use as anti-reflection and anti-abrasion coatings.

Abstract: A polymer film with three-dimensional nanopores and fabrication method thereof. The polymer film according to the invention has a plurality of nanopores distributed uniformly thereover and presents a sponge-like profile. Due to the nanopores being sufficiently filled by air, the polymer film has a refractive index less than 1.45, reducing the reflectivity thereof to less than 2.0%. Furthermore, the polymer film exhibits superior antifouling properties as the contact angle of the polymer film to water greater than 90°.

Abstract: A cycloolefin in copolymeric (COC) optical communication device. The COC optical communication device includes a core section of functional metallocene cycloolefin copolymer (f-mCOC) having a refractive index n1 for light transmission, and a cladding layer of metallocene cycloolefin copolymer (mCOC), having a refractive index n2 smaller than n1, surrounding the core section and forming a waveguide structure together with the core section. Due to the fact that the various components of the optical communication device are comprised of essentially the same materials, signal transmission loss between heterogeneous interfaces is prevented, and provides excellent optical properties and superior processability.

Abstract: The present invention provides a molecular blended polymer that includes two or more types of polymers blended at the molecular level. At least one monomer is polymerized in the presence of two or more kinds of catalysts supported on a mesoporous molecular sieve having a pore size of 20 ? to 500 ?. The polymerization occurs in the pore of the mesoporous molecular sieve and is controlled at the molecular level. Thus, the polymer material is controlled extremely well and the function and physical properties of the polymer material are greatly enhanced.

Abstract: A cycloolefin in copolymeric (COC) optical communication device. The COC optical communication device includes a core section of functional metallocene cycloolefin copolymer (f-mCOC) having a refractive index n1 for light transmission, and a cladding layer of metallocene cycloolefin copolymer (mCOC), having a refractive index n2 smaller than n1, surrounding the core section and forming a waveguide structure together with the core section. Due to the fact that the various components of the optical communication device are comprised of essentially the same materials, signal transmission loss between heterogeneous interfaces is prevented, and provides excellent optical properties and superior processability.

Abstract: An acrylonitrile block copolymer and method for producing the same. A macroinitiator is produced by halogenating the terminal group of the polyester. The macroinitiator then contacts with acrylonitrile (AN) monomer or its derivative in the presence of the metal catalyst and solvent mixture to produce a block copolymer composed of a polyacrylonitrile, and a polyester.

Abstract: The present invention provides a molecular blended polymer that includes two or more types of polymers blended at the molecular level. At least one monomer is polymerized in the presence of two or more kinds of catalysts supported on a mesoporous molecular sieve having a pore size of 20 Å to 500 Å. The polymerization occurs in the pore of the mesoporous molecular sieve and is controlled at the molecular level. Thus, the polymer material is controlled extremely well and the function and physical properties of the polymer material are greatly enhanced.

Abstract: The present invention provides a graft copolymer of a syndiotactic styrene/para-alkylstyrene copolymer, having the formula of wherein R1 and R2 are independently selected from the group consisting of hydrogen, alkyl, and primary and secondary haloalkyl; X is a functional group selected from a group containing halogen, oxygen, sulfur, silicon, nitrogen, carbon, phosphorus, and mixtures thereof; Y is an atactic polymer moiety; a ranges from 10 to 30000; b ranges from 0 to 30000; c ranges from 0 to 30000; and d ranges from 1 to 30000. The compatibility of the graft copolymer of syndiotactic styrene/para-alkylstyrene copolymer of the present invention with other polymers is improved over a syndiotactic styrene polymer. Also, the graft copolymer of the present invention can serve as a compatibilizer for a polymer blend.

Abstract: A resin composition with a low dielectric constant comprises: (a) a functionalized cyclic olefin copolymer; (b) a mixture of epoxy resins; and (c) a curing agent. A laminate and a resin coated clad made of the resin composition exhibit reduced dielectric constants of 3.3 and 2.9 at 1 GHz, respectively.

Abstract: The present invention provides a graft copolymer of a syndiotactic styrene/para-alkylstyrene copolymer, having the formula of 1

Abstract: A supported Lewis acid catalyst system effective for hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions and comprising at least one Lewis acid immobilized on an anhydrous dihalide of Cd, Fe, Co, Ni, Mn or Mg is disclosed.

Abstract: A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support having immobilized thereon a least one strong Lewis acid comprising at least one metal salt of a strong Bronsted acid wherein the metal is selected from the group consisting of aluminum, boron gallium, antimony, tantalum, niobium, yttrium, cobalt, nickel, iron, tin, zinc, magnesium barium strontium, calcium, tungsten, molybdenum and the metals of the lanthanide series and wherein the strong Bronsted acid is selected from the group consisting of mineral and organic acids stronger than 100% sulfuric acid.

Abstract: The present invention includes related methods and uses, including composition comprising the polymer derived from a monomer having the formula:H.sub.2 C.dbd.CHR; (1)and optionally at least one monomer selected from the group consisting of monomers having the formula:R.sup.1 HC.dbd.CHR.sup.2 ; and (2)H.sub.2 C.dbd.CR.sup.2 R.sup.3 (3)wherein R is a hydrocarbon or substituted hydrocarbon having from 2 to 22 carbon atoms, and R.sup.1, R.sup.2 and R.sup.3 are the same or different hydrocarbons or substituted hydrocarbons having 1 to 22 carbon atoms. R is preferably an ethyl group (--CH.sub.2 CH.sub.3) and R.sup.1, R.sup.2 and R.sup.3 are preferably methyl groups (--CH.sub.3).

Abstract: A supported Lewis acid catalyst, which comprises an inorganic oxide substrate having immobilized thereon at least one Lewis acid and a modifying agent containing at least one functional moiety capable of reacting with surface hydroxyl groups originally present on said substrate and which is effective as a catalyst for hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed.

Abstract: A solid state insoluble salt catalyst system for the carbocationic polymerization of olefin monomer in the presence of a polar or non-polar reaction medium, which comprises (a) solid state catalyst component comprising at least one salt of a strong acid and a carbocationically active transition metal selected from Groups III A, IV A, V A and VI A of the Periodic Table of Elements, wherein said salt is insoluble in the reaction medium; and (b) cocatalyst component effective for promoting the carbocationic polymerization.