127 results about "Polynorbornen" patented technology

Provided are a vertically aligned liquid crystal display (VA-LCD) with good viewing angle characteristics, which has liquid crystals with negative dielectric anisotropy (Δε<0). In the VA-LCD, a polynorbornene based polymer film is used as a protection film and/or as a negative C-plate retardation film for an upper polarization plate and/or a lower polarization plate. Therefore, high contrast characteristics for a front view and an oblique angle view are realized and color change for an oblique angle view can be minimized.

A nitrogen-phosphinonickel match catalyst system is composed of the primary catalyst, [(2-methyl)-(8-diphenylphosphino)] nickel quinolinylhalide, and secondary catalyst, methyl aluminoxyane (MAO). Its advantage are low cost, high activity, high output rate of product (norbornaene) (up to 20-100%), and wide range of adjustable molecular weights (1X10 to the power 5-3X10 to the power 6).

The invention discloses a cellulose porous membrane able to be used for a lithium ion secondary cell diaphragm. Two side surfaces of the membrane are coated with sodium alginate, a fluorine-containing polymer, polyaryletherketone, polyimide, polynorbornene or inorganic nanoparticles and other structure enhanced and interface stable components. The membrane has thickness of 15-100 micrometers, and air permeability of 2-500s. The upper and lower surfaces as well as inner pores of the membrane are symmetrically and uniformly distributed, with an average pore size of 20-200 nanometers and tensile strength of 50-250MPa. The invention also discloses a preparation method of the cellulose porous membrane. The membrane of the invention can be used as a lithium ion cell diaphragm and has good heat resistance, and even if at a temperature of 150DEG C, a cell short circuit phenomenon cannot occur. Therefore, the cell diaphragm provided in the invention is especially suitable for large capacity and power lithium ion cells. In addition, employment of biomass cellulose that has the largest output in the nature as the raw material for producing the lithium ion cell diaphragm has the advantages of low cost, sustainability and environmental protection.

The present invention provides a composition comprising: (a) dielectric material; and (b) porogen comprising at least two fused aromatic rings wherein each of the fused aromatic rings has at least one alkyl substituent thereon and a bond exists between at least two of the alkyl substituents on adjacent aromatic rings. Preferably, the dielectric material is a composition comprising (a) thermosetting component comprising (1) optionally monomer of Formula I as set forth below and (2) at least one oligomer or polymer of Formula II as set forth below where Q, G, h, I, I, and w are as set forth below and (b) porogen. Preferably, the porogen is selected from the group consisting of unfunctionalized polyacenaphthylene homopolymer, functionalized polyacenaphthylene homopolymer, polyacenaphthylene copolymer, polynorbornene, polycaprolactone, poly(2-vinylnaphthalene), vinyl anthracene, polystyrene, polystyrene derivatives, polysiloxane, polyester, polyether, polyacrylate, aliphatic polycarbonate, polysulfone, polylactide, and blends thereof. The present compositions are particularly useful as dielectric substrate material in microchips, multichip modules, laminated circuit boards, and printed wiring boards.

The present invention provides a composition comprising: (a) dielectric material; and (b) porogen comprising at least two fused aromatic rings wherein each of the fused aromatic rings has at least one alkyl substituent thereon and a bond exists between at least two of the alkyl substituents on adjacent aromatic rings. Preferably, the dielectric material is a composition comprising (a) thermosetting component comprising (1) optionally monomer of Formula I as set forth below and (2) at least one oligomer or polymer of Formula II as set forth below where Q, G, h, I, I, and w are as set forth below and (b) porogen. Preferably, the porogen is selected from the group consisting of unfunctionalized polyacenaphthylene homopolymer, functionalized polyacenaphthylene homopolymer, polyacenaphthylene copolymer, polynorbornene, polycaprolactone, poly(2-vinylnaphthalene), vinyl anthracene, polystyrene, polystyrene derivatives, polysiloxane, polyester, polyether, polyacrylate, aliphatic polycarbonate, polysulfone, polylactide, and blends thereof. The present compositions are particularly useful as dielectric substrate material in microchips, multichip modules, laminated circuit boards, and printed wiring boards.

A nozzle plate for a micro-fluid ejection head, a method of making a hydrophobic nozzle plate, and a method for improving the resiliency of a nozzle plate. The nozzle has a photoimageable hydrophobic polycyclic polyolefin layer derived from an epoxy functionalized polynorbornene.

The present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same, and a liquid crystal display device including the same. More particularly, the present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same, and a liquid crystal display device including the same, which have an alignment property by photoreaction, excellent thermal stability and photoreactivity, the increased photo-reaction rate and reliability of the alignment film, thereby showing high manufacturing process efficiency.

The present invention relates to novel functional norbornenes as initiators for radical polymerization, its polymer and a process for producing the same. More particularly, the novel functional norbornenes can be selectively polymerized by ring-opening metathesis polymerization or radical polymerization to obtain various polynorbornene derivatives or grafted copolymer materials. The polynorbornene derivatives and grafted copolymer materials not only exhibit excellent functional properties but also enhanced physical and chemical properties after modification. The polynorbornene derivatives and grafted copolymer materials disclosed in the present invention exhibit excellent heat resistance, transparency and water resistance. The present invention also deals with a process for producing such derivatives and materials having controllable molecular weight with narrow molecular weight distribution.

The present invention relates to a nitrogen-oxynickel coordination compound catalysis system, and said catalysis sytem is formed from main catalyst bis(substituted salicylalimine) nickel (II) coordination compound and cocatalyst methyl aluminium oxygen alkyl (MAO). Said invention is simple in process, its raw materials are easily available, its cost is low and its catalytic activity is high (maximum is up to 1.05X10 to the power 9 g PNB/(molNi.h.atm)), and by changing reaction condition the activity of catalyst (1X10 to the power 4-1.05X10 to the power 9g PNB/(mol Ni.h.atm) and obtained polybornylene yield (10%-100%), molecular weight (1X10 to the power 5-3.5X10 to the power 6) and molecular weight, distribution (1.3-25) can be regulated in large range.

The oxygen-nitrogen-oxygen nickel compound catalyst system for polymerization of norbornene consists of di(substituted salicylal-substituted o-alkoxy anilino schiff base) nickel (II) compound as main catalyst component and methyl aluminoxane as cocatalyst. It has simple preparation process, low cost, high catalytic activity up to 6.8x10E8 g PNB/ mol Ni.hr, and the product polynorbornene has molecular weight adjustable in wide range of 10E5 to 3.4x10E6 and molecular weight distribution adjustable in wide range of 1.1-20 through altering the activity of catalyst and other reaction conditions. The yield of polynorbornene in 20-100%.

The invention relates highly damped and oil resistance rubber compound, comprising the following characteristics: using the mixture of polynorbornene rubber and butadiene acrylonitrile rubber as base, using dicumyl peroxide as cross linking agent, and triallyl group isocyanuric esters as auxiliary agent. The content of acrylic nitrile in butadiene acrylonitrile rubber is 23-30úÑ. The weight ratio of polynorbornene rubber and butadiene acrylonitrile rubber is 85-75/15-25, preferring to 80/20.

This invention relates generally to norbornene-monomer, poly(norbornene)homopolymer, and poly(norbornene)copolymer compounds containing a functionalized carbazole side chain, having desirable solution processability and host characteristics. It also relates to hole transport and/or electron blocking materials, and to organic host materials for an organic luminescence layer, an OLED device, and compositions of matter which include these compounds.

A fused-ring quinone-substituted polynorbornene has recurring units of formula (1) and/or (2) below.

In formulas (1) and (2), A¹ is independently a substituent of formula (3) or (4) below, n is an integer from 1 to 6, and A² is a substituent of formula (5) or (6) below.

In formulas (3) to (6), each X is independently a single bond or a divalent group, and Ar¹ and Ar² are each independently an aromatic hydrocarbon ring or an oxygen atom or sulfur atom-containing aromatic heterocycle that forms together with two carbon atoms on a benzoquinone skeleton. This polymer has charge-storing properties and, when used as an electrode active material, is capable of providing a high-performance battery possessing high capacity, high rate characteristics and high cycle characteristics.

The invention provides a fluorine-containing high-dielectricity polynorbornene-poly(1,6-heptadiyne) block copolymer and a preparation method thereof. The copolymer comprises a fluorine-containing norbornene derivative and a fluorine-containing 1,6-pimelic acetylene monomer, wherein the norbornene derivative and the 1,6-pimelic acetylene monomer form the polynorbornene-poly(1,6-heptadiyne) block copolymer through continuous ring-opening metathesis polymerization (ROMP) and translocation cyclization polymerization (MCP). The copolymer disclosed by the invention has excellent dielectric properties, unique nano structure, good heat stability and environment stability; the preparation method is simple and feasible; the processability and the dielectric property of the material can be further improved through flexible transformation of a polymer side chain substituent and regulation and control on the ratio of two blocks; and the fluorine-containing high-dielectricity polynorbornene-poly(1,6-heptadiyne) block copolymer has a wide application prospect in the fields such as a thin-film capacitor and the like.

Methods of providing foamed polynorbomene insulating material for use with an integrated circuit device, as well as apparatus and systems making use of such foamed polynorbomene insulating materials. The methods include forming a layer of polynorbomene material and converting at least a portion of the layer of polynorbomene material to a foamed polynorbomene material, such as by exposing the layer of polynorbomene material to a supercritical fluid. The foamed polynorbomene material can provide electrical insulation between conductive layers of the integrated circuit device.

A process for preparing polynorbornene with non-cyclopentadiene beta-diketone titanium catalyst includes, adding beta-diketone titanium as primary catalyst, then adding norbornene monomer solution, further adding toluene or o-dichlorobenzene as solvent for dissolving the catalyst, then further adding methyl aloxyane, triethyl aluminium, or triisobutyl aluminium as secondary catalyst, and reaction at 0-90 deg.C. Its product has high-temp. resistance (more than 400 deg.C) and high-vitrification temp. (300-400 deg.C).

The nitrogen-oxygen nickel compound catalyst system for polymerization of norbornene consists of di(substituted salicylal-substituted anilino schiff base) (1-naphthyl)(triphenyl phosphine) nickel (II) compound as main catalyst component and methyl aluminoxane as cocatalyst. It has simple preparation process, low cost, high catalytic activity up to 1.03x10E9 g PNB/ mol Ni.hr.atm, and the product polynorbornene has molecular weight adjustable in wide range of 10E5 to 3.7x10E6 and molecular weight distribution adjustable in wide range of 1.3-23 through altering the activity of catalyst and other reaction conditions. The yield of polynorbornene is 20-100%.