128 results about "Polynorbornen" patented technology

A self-adaptive cement system includes cement, water and at least one additive that reacts or and expands in contact with oil and gas. Several chemical products have been identified including rubber alkylstyrene, polynorbornene, resins such precrosslinked substituted vinyl acrylate copolymers and diatomaceous earth. These additives have the effect of making the cement self-healing in the event of physical failure or damage such as micro-annuli. The self healing property is produced by the contact with subterranean hydrocarbon fluids, the potential repair mechanism is thus activated if and when needed in case of start of loss of zonal isolation. In another embodiment, the expansion is deliberately induced by pumping a hydrocarbon fluid in the vicinity of the set cement.

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).

A method of manufacturing a biaxial-optical polynorbornene-based film is provided, including: preparing a polynorbornene-based polymer containing composition by dissolving a polynorbornene-based polymer in a mixed solvent containing a high-boiling solvent and a low-boiling solvent, with a difference in boiling points of the two solvents of 20° C. or greater and an amount of the high-boiling solvent being 0.1 to 15 wt % based on a weight of the polynorbornene-based polymer; casting and partially drying the composition to obtain a polynorbornene-based film containing 1 to 6 wt % of the mixed solvent based on a total weight of the polynorbornene-based film; and uniaxially stretching the partially dried film in one direction parallel with the surface of the film at a stretching temperature less than or equal to the boiling point of the high-boiling solvent +20° C. and drying the stretched film at a temperature greater than or equal to the boiling point of the high-boiling solvent. According to the method of manufacturing a biaxial polynorbornene-based film, a compensation film which has good light transmittance and a uniform in-plane retardation value and can function as both a negative C-plate and an A-plate can be obtained.

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.

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

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.

Disclosed is a method of manufacturing a biaxial polynorbornene-film having a compensation film which has good light transmittance and a uniform in-plane retardation value and can function as both a negative C-plate and an A-plate.

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%.

An assemblage used for manufacturing the low-hardness rubber materials is characterized in that the ethylene propylene diene monomer and the polynorbornene rubber are both used in a mass ratio ranging from 25 to 35 / 75 to 65, with the cycloalkane oil as the softner and the DTDM as the curing agent. The third monomer of the ethylene propylene diene monomer is the ethylidene norbornene (ENB) and the suitable content of the propylene ranges from 20 per cent to 30 per cent in mass percentage.

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 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.

A catalyst system for polymerizing norbornaene is composed of the primary catalyst, [2-(2'-substituent-hydroxyphenyl)-4,5-diphenyl imidazole]-(1-naphthyl)-triphenyl phosphine) nickel match and cocatalyst, methyl aluminoxyane (MAO). Its advantages are simple preparing process, low lost and high catalytic activity.

The invention discloses mesogen-jacketed polymer monomers of a norbornene imide system and polymers of the polymer monomers. Mesogen-jacketed liquid crystal polymers (MJLCP) of which the main chains are polynorbornene imide systems have main chain and lateral group functionality, so that the problem that the main chains do not have functionality in the functional process of the MJLCP and new possibility is provided for application of the MJLCP in multiple fields. The MJLCP is obtained by a ring-opening metathesis polymerization method, so the polymerization modes of the MJLCP monomers are expanded, the monomer conversion rate is high, and the relative molecular mass of the polymers is high and is distributed narrowly. The polymers have very good application prospect in the fields of functional materials, photoinduced electron transfer, photonic devices and the like.

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.

The invention relates to the technical field of automobile shock absorbers, and discloses an automobile shock absorber bushing which comprises the following raw materials by weight: 65-75 parts of natural rubber, 25-35 parts of polynorbornene rubber, 10-25 parts of high abrasion furnace black, 45-55 parts of carbon black N660, 1-4 parts of a promoter, 2-8 parts of zinc oxide, 1-6 parts of paraffin wax, 1-5 parts of an antioxidant, 1-5 parts of a dispersing agent, 3-8 parts of aromatic oil, 1-5 parts of a curing agent, 1-5 parts of a plasticizer and 1-5 parts of a coupling agent. Through simultaneous use of the natural rubber and the polynorbornene rubber, the heat resistance of products is excellent, by simultaneous use of the high abrasion furnace black and the carbon black N660, aging resistance and bending fatigue resistance of the rubber reinforcing system are excellent, the service life is longer, compression permanent deformation is small, rubber tensile strength is high, rebound elasticity is excellent, and the compression permanent deformation is small.

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 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.

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 present invention provides a vertical alignment liquid crystal display (VA-LCD) with good viewing angle characteristics, which contains liquid crystals with negative dielectric anisotropy (Δε<0). In this VA-LCD, a polynorbornene-based polymer film is used as a protective film and / or a negative C-plate retardation film for the upper polarizing plate and / or the lower polarizing plate. Thus, high contrast characteristics of the frontal viewing angle and the oblique viewing angle can be achieved, and the color change of the oblique viewing angle can be minimized.

The invention relates to a high-temperature resistant and high-damping rubber composition using polynorbornene rubber as a main body, which is characterized in that the composition bases on blending of the polynorbornene rubber and silicon rubber, uses blend of ethylene propylene diene rubber and ethylene-methyl acrylate copolymer as a compatibilizer for blending the polynorbornene rubber and the silicon rubber, simultaneously uses 2, 5-dimethyl-2, 5 (tertbutylperoxy) hexane as a vulcanizing agent and a vinyl triethoxy silicane as coupling agents. The rubber materials are mixed in an internal mixer at a temperature of 130 DEG C.

The invention relates to an organic polymer based on anthraquinone and a preparation method and application of the organic polymer as a lithium-ion battery cathode material. The polymer is poly[norbornene 2, 3-dimethyl alcohol dimer (anthraquinone 2-carboxylic acid) ester]; a pure monomer is obtained under catalysis of 4-dimethylaminopyridine and 1-(3-dimethylaminopropyl)-3-ethyl carbodiimide hydrochloride by 5-norborne-2, 3-dimethyl carbinol and 2-carboxyl anthraquinone; and the monomer is dissolved in a good solvent, a catalytic agent is added,a polymerization reaction is terminated with vinyl ethyl ether, and the polymer is obtained. Synthesis is simple, and raw materials are easy to obtain. The polymer electrode is applied to lithium battery cathode materials. At a high rate (1C), capacity retention is as high as 96% after 450 cycles, and stability is greatly improved. The specific capacity can reach 145mAh / g at a current density of 5C, and excellent rate performance is shown.