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2116 results about "Unsaturated bonds" patented technology

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Method of forming conformal silicon carbide film by cyclic CVD

ActiveUS20200118815A1Electric discharge tubesSemiconductor/solid-state device manufacturingCarbide siliconSilanes

A method of forming, on a substrate having a recess pattern, a silicon carbide film having a reflective index of 2.3 or higher as measured at 633 nm, includes (i) supplying an organosilane precursor in a pulse to a reaction space where the substrate is placed, which precursor has a formula of RSiH3 wherein R is a hydrocarbon-containing moiety including at least one unsaturated bond; (ii) continuously supplying a plasma-generating gas to the reaction space, which plasma-generating gas is selected from the group consisting of inert gases and hydride gases; (iii) continuously applying RF power to the reaction space to generate a plasma which excites the precursor; and (iv) repeating steps (i) through (iii), thereby forming a silicon carbide film on the substrate, which silicon carbide film has a reflective index of 2.3 or higher as measured at 633 nm.

Method of forming conformal silicon carbide film by cyclic CVD

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Owner:ASM IP HLDG BV

Silicone rubber composition, light-emitting semiconductor embedding/protecting material and light-emitting semiconductor device

ActiveUS20050006794A1Eliminates surface tackSolve low adhesionSemiconductor/solid-state device detailsSolid-state devicesPolymer scienceDevice material

A silicone rubber composition comprising (A) an organopolysiloxane containing at least two aliphatic unsaturated bonds, (B) an organopolysiloxane of resin structure comprising SiO₂units, R³_nR⁴_pSiO_0.5units and R³_qR⁴_rSiO_0.5units wherein R³is vinyl or allyl, R⁴is a monovalent hydrocarbon group free of aliphatic unsaturation, n is 2 or 3, p is 0 or 1, n+p=3, q is 0 or 1, r is 2 or 3, q+r=3, (C) an organohydrogenpolysiloxane having at least two SiH groups, and (D) a platinum catalyst cures into a silicone rubber having excellent rubbery and strength properties and little surface tack.

Silicone rubber composition, light-emitting semiconductor embedding/protecting material and light-emitting semiconductor device

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Owner:SHIN ETSU CHEM IND CO LTD

Thermoplastic dicyclopentadiene-base open-ring polymers, hydrogenated derivatives thereof, and processes for the preparation of both

InactiveUS6511756B1Improve efficiencyGood moldabilityPlastic/resin/waxes insulatorsSynthetic resin layered productsThermoplasticDouble bond

A thermoplastic dicyclopentadiene ring-opening polymer obtained by ring-opening polymerization of a monomer component containing a dicyclopentadiene monomer, characterized in that polycyclic rings which are repeating units of the polymer are bonded in cis-position relative to the carbon-carbon double bond of the main chain of the polymer in 50 mol % or more of the repeating units based on the total repeating units and the content of a low-molecular weight component of 2,000 or less in molecular weight is 10% by weight or less based on the total polymer components, and a hydrogenation product obtained by hydrogenating the carbon-carbon unsaturated bond of the thermoplastic dicyclopentadiene ring-opening polymer.

Thermoplastic dicyclopentadiene-base open-ring polymers, hydrogenated derivatives thereof, and processes for the preparation of both

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Owner:ZEON CORP

Pyrimidine compound and medicinal composition thereof

InactiveUS20050004149A1Excellent antagonismOrganic active ingredientsBiocideAcyl groupSolvent

The present invention provides a novel pyrimidine compound having an excellent adenosine receptor (A1, A2A, A2B receptor) antagonistic action. More specifically, it provides a compound represented by the following formula, a salt thereof or a solvate of them. In the formula, R1 and R2 are the same as or different from each other and each represents a hydrogen atom, an alkyl group having one to six carbon atoms which may be substituted, an alkenyl group having two to six carbon atoms which may be substituted, an alkynyl group having two to six carbon atoms which may be substituted, a cycloalkyl group having three to eight carbon atoms which may be substituted, a cycloalkenyl group having three to eight carbon atoms which may be substituted, a 5 to 14-membered non-aromatic heterocyclic group which may be substituted, an aromatic hydrocarbon cyclic group having six to fourteen carbon atoms which may be substituted, a 5 to 14-membered aromatic heterocyclic group which may be substituted, an acyl group having one to six carbon atoms which may be substituted or an alkylsulfonyl group having one to six carbon atoms which may be substituted; R3 represents a hydrogen atom, a halogen atom, a cyano group, an alkyl group having one to six carbon atoms which may be substituted, an alkenyl group having two to six carbon atoms which may be substituted, an alkynyl group having two to six carbon atoms which may be substituted, an aromatic hydrocarbon cyclic group having six to fourteen carbon atoms which may be substituted, a 5 to 14-membered aromatic heterocyclic group which may be substituted, a nitrogen atom which may be substituted, an oxygen atom which may be substituted or a sulfur atom which may be substituted; R4 represents an aromatic hydrocarbon cyclic group having six to fourteen carbon atoms which may be substituted, a 5 to 14-membered aromatic heterocyclic group which may be substituted or a 5 to 14-membered non-aromatic heterocyclic group having at least one or more unsaturated bonds which may be substituted; and R5 represents an aromatic hydrocarbon cyclic group having six to fourteen carbon atoms which may be substituted or a 5 to 14-membered aromatic heterocyclic group which may be substituted.

Pyrimidine compound and medicinal composition thereof

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Owner:EISIA R&D MANAGEMENT CO LTD

High-durability flexible polyurethane cold cure molded foam and process for producing the same

InactiveUS6433033B1MicroparticleDouble bond

The high-durability flexible polyurethane cold cure molded foam of the invention has an overall density of not less than 35 kg / m3 and not more than 45 kg / m3 and a wet heat compression set of not more than 15%, and preferably has a hardness change ratio, as determined in a repeated compression test, of not more than 15%. This foam can be obtained by the process of the invention. The process of the invention is a process for producing a flexible polyurethane cold cure molded foam obtained from a polyol and / or a polymer polyol containing dispersed polymer microparticles obtained by radical polymerizing a compound having an unsaturated bond in the polyol, water, a catalyst and a polyisocyanate, wherein the polyol is a polyol synthesized by the use of a catalyst containing at least one compound selected from the group consisting of a compound having a nitrogen-phosphorus double bond, cesium hydroxide and rubidium hydroxide. The foam of the invention has a low density and is excellent in durability, particularly in hardness change ratio in a repeated compression test and wet heat compression set. According to the process of the invention, such a foam can be obtained.

High-durability flexible polyurethane cold cure molded foam and process for producing the same

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Owner:MITSUI CHEM & SKC POLYURETHANES INC

Negative electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery using the same

InactiveUS20050191550A1Reduce battery capacityBig ratioOrganic electrolyte cellsSecondary cellsMaterials scienceElectrolyte

An object of the invention is to provide a negative electrode for a nonaqueous electrolyte secondary battery having a small surface film resistance and a high negative electrode strength. The present invention relates to a negative electrode for a nonaqueous electrolyte secondary battery, wherein an active material layer containing an active material and a binder is formed on a collector, the active material being a material in which metal oxide fine particles having an average particle diameter of 250 nm or less are attached to the surface and the binder being a binder having an olefinic unsaturated bond.

Owner:MITSUBISHI CHEM CORP

Nonaqueous electrolyte and lithium secondary battery employing the same

InactiveUS20050118512A1Improve featuresLarge capacityElectrolytic capacitorsCell electrodesOrganic solventPhysical chemistry

An object of the present invention is to provide a battery of high capacity that is excellent in storage, load, cycle, and continuous charge characteristics and that reduces gas generation; and a nonaqueous electrolyte for use in the battery. The invention relates to a nonaqueous electrolyte which comprises a nonaqueous organic solvent and a lithium salt dissolved therein, wherein the nonaqueous organic solvent contains at least one compound selected from the group consisting of acid anhydrides and carbonic esters having an unsaturated bond, and at least one compound selected from the group consisting of sulfonic compounds and fluorine-containing aromatic compounds having 9 carbon atoms or less; and a lithium secondary battery employing the same.

Nonaqueous electrolyte and lithium secondary battery employing the same

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Owner:MITSUBISHI CHEM CORP

Non-aqueous liquid electrolyte and non-aqueous liquid electrolyte secondary battery

InactiveUS20090325065A1Improve charging capacityMaintain good propertiesAlkaline accumulatorsElectrode manufacturing processesLithiumCarbonate

A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. Its non-aqueous liquid electrolyte contains carbonate having unsaturated bond and/or halogen and compounds like LiPF₆and/or LiBF₄(first lithium salt) and lithium salt different from said first one, represented by formula below (second lithium salt).

Li_l(α_mX^a_n)

Non-aqueous liquid electrolyte and non-aqueous liquid electrolyte secondary battery

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Owner:MITSUBISHI CHEM CORP

Compositions and polymer composites prepared from the same

ActiveUS20160005932A1Good storage stabilityOther chemical processesSolid ballsZinc compoundsPolymer composites

A composition including: a monomer mixture including a first monomer having at least two thiol groups at its terminal end and a second monomer having at least two carbon-carbon unsaturated bond-containing groups at its terminal end; and at least one additive selected from a zinc compound, an indium compound, ascorbic acid or a salt thereof, citric acid or a salt thereof, a tocopherol, and a tocotrienol.

Compositions and polymer composites prepared from the same

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Owner:SAMSUNG ELECTRONICS CO LTD

Peptide derivatives having β-secretase inhibitory activity

InactiveUS7312188B2Nervous disorderPeptide/protein ingredientsHydrogenTetrazole

Provided are excellent β-secretase inhibitors, that is, compounds represented by the general formula (1) or prodrugs thereof:wherein A is amino or protected amino; B1 and B2 are each a single bond, alkylene of 1 to 3 carbon atoms, or the like; D is a single bond, —NHCO, or the like; E is —COOH, tetrazole ring, or the like; n is an integer of 1 to 3; m is an integer of 1 to 3; G is hydroxyl, a group represented by the general formula (2), or the like:in which Z is —NH, -Asp-Ala-NH—, -Asp-Ala-, -Asp-NH—, or the like; L is a 5-to 10-membered ring optionally containing a heteroatom and / or unsaturated bond; X is —COOH, tetrazole ring, or the like; Y is hydrogen, —COOH, or the like; and k is an integer of 1 to 4; and R1, R2, and R3 are each alkyl of 1 to 6 carbon atoms, or the like.

Peptide derivatives having β-secretase inhibitory activity

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Owner:KISO

Method for preparation of aviation kerosene and diesel oil from biomass derivative

ActiveCN103450940ALiquid carbonaceous fuelsTreatment with hydrotreatment processesFuranCellulose

The invention relates to a new liquid chain hydrocarbon fuel synthetic route that acquires a platform chemical compound based on a lignocellulose raw material and is completely independent of fossil energy. The liquid fuel obtained by the method can be used as a substitute of aviation kerosene and diesel oil or as an additive for improving the cetane number and cold hardiness of fuels, thereby reducing the national dependence on imported petroleum in terms of liquid fuels. The method provided in the invention consists of two parts: 1) on a novel solid acid catalyst, an aldehyde group-containing compound (such as formaldehyde, acetaldehyde, propionaldehyde, and butyraldehyde, etc.) and a furan platform compound (such as furan, methyl furan, and hydroxylmethyl furan, etc.) undergo an acid catalyzed alkylation reaction to prepare an oxygen-containing organic compound with a carbon chain length of 8-16; and 2) hydrogenation and hydrodeoxygenation are conducted on an alkylation product to hydrogenate unsaturated bonds and remove the oxygen therein, thus preparing aviation kerosene or high grade diesel oil with a carbon chain length ranging from 8 to 16.

Method for preparation of aviation kerosene and diesel oil from biomass derivative

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Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Carbon fiber composite material and method of producing the same, formed product of carbon fiber composite and method of producing the same, carbon fiber-metal composite material and method of producing the same, and formed product of carbon fiber-metal composite and method of producing the same

ActiveUS20050075443A1Evenly dispersedGood dispersionMaterial nanotechnologyMetal-working apparatusElastomerCarbon nanofiber

A method of producing a carbon fiber composite material including: mixing an elastomer which includes an unsaturated bond or a group having affinity to carbon nanofibers with metal particles; and dispersing the carbon nanofibers into the elastomer including the metal particles by a shear force.

Carbon fiber composite material and method of producing the same, formed product of carbon fiber composite and method of producing the same, carbon fiber-metal composite material and method of producing the same, and formed product of carbon fiber-metal composite and method of producing the same

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Owner:HITACHI ASTEMO LTD

Ink composition for inkjet-recording and method for inkjet-recording

InactiveUS20080131618A1Improving desired propertyStable ink-ejecting propertyInksCoatingsPliabilityIrradiation

An ink composition for inkjet-recording, which shows a high sensitivity to irradiation with actinic radiation and is able to form an image with superior curability, permitting the image formed after curing to have sufficient adhesiveness to a recording medium, as well as to have excellent flexibility in the formed image portion, and an inkjet-recording method using the same is provided:wherein the ink composition for inkjet-recording comprises (A) a compound having a polymerizable unsaturated bond and a cyclic amine structure in the molecule, (B) a compound having a polymerizable unsaturated bond and an alicyclic structure in the molecule, and (C) a radical polymerization initiator.

Ink composition for inkjet-recording and method for inkjet-recording

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Owner:FUJIFILM CORP

Nonaqueous electrolyte and lithium secondary battery employing the same

InactiveUS7223502B2Improve featuresLarge capacityElectrolytic capacitorsFinal product manufactureOrganic solventLithium-ion battery

An object of the present invention is to provide a battery of high capacity that is excellent in storage, load, cycle, and continuous charge characteristics and that reduces gas generation; and a nonaqueous electrolyte for use in the battery.The invention relates to a nonaqueous electrolyte which comprises a nonaqueous organic solvent and a lithium salt dissolved therein, wherein the nonaqueous organic solvent contains at least one compound selected from the group consisting of acid anhydrides and carbonic esters having an unsaturated bond, and at least one compound selected from the group consisting of sulfonic compounds and fluorine-containing aromatic compounds having 9 carbon atoms or less; and a lithium secondary battery employing the same.

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Owner:MITSUBISHI CHEM CORP

(1H-Ind0l-7-Yl)-(Pyrimidin-2-Ylamino)Methanone Derivatives and Related Compounds as Igf-R1 Inhibitors for the Treatment of Cancer

InactiveUS20080194605A1Inhibiting, regulating and/or modulating signal transductionEfficiently employedOrganic active ingredientsBiocideDiseaseKinase

The invention relates to compounds of the formula (I), in which Ar denotes a mono- or bicyclic aromatic homo- or heterocycle having 1 to 4 N, O and/or S atoms and 5 to 10 skeleton atoms, which may be unsubstituted or mono-, di- or trisubstituted by carbonyl oxygen, Hal, A, OH, OA, NH₂, NHA, NA₂, NO₂, CN, OCN, SCN, COOH, COOA, CONH₂, CONHA, CONA₂, NHCOA, NHCONH₂, NHSO₂A, CHO, COA, SO₂NH₂and/or S(O)₉A, A denotes unbranched, branched or cyclic alkyl having 1-14 C atoms, in which one or two CH₂groups may be replaced by O or S atoms and/or by —CR═CH— groups and/or in addition 1-7 H atoms may be replaced by F and/or Cl, Hal: F, Cl, Br or I, D: NH, NH₂, NA₂, NHA, CH₂, CH₃, OH, OA, O or S, E: CH₂, CH, NH or N, Y: E or a saturated or unsaturated bond, X: CH₂, O or NH, Q: Hal, A, OH, OA, NH₂, NHA, NA₂, NO₂, CN, OCN, SCN, COOH, COOA, CONH₂, CONHA, CONA₂, NHCOA, NHCONH₂, NHSO₂A, CHO, COA, SO₂NH₂or X-M, to the preparation and use thereof for the preparation of a medicament for the treatment of diseases, in particular tumours and/or diseases in the development or course of which kinases are involved.

(1H-Ind0l-7-Yl)-(Pyrimidin-2-Ylamino)Methanone Derivatives and Related Compounds as Igf-R1 Inhibitors for the Treatment of Cancer

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Owner:MERCK PATENT GMBH

Lithographic printing plate precursor and lithographic printing method

InactiveUS20050008971A1Plate printingPhotosensitive material auxillary/base layersChemical compoundImage recording

A lithographic printing plate precursor comprising: a support; an undercoat layer; and an image recording layer containing a polymerization initiator, a polymerizable compound and an infrared ray absorbing agent, the image recording layer being removable with at least one of a printing ink and a fountain solution, in this order, wherein the undercoat layer contains a compound having (a) an ethylenically unsaturated bond and (b) a functional group capable of adsorbing to a surface of the support.

Lithographic printing plate precursor and lithographic printing method

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Owner:FUJIFILM CORP

Nonaqueous-electrolyte batteries and nonaqueous electrolytic solutions

InactiveUS20120244425A1Low viscosityIncrease resistanceNegative electrodesPositive electrodesLithiumEther

The invention is to provide a nonaqueous-electrolyte battery which comprises a current collector, a positive electrode containing a lithium-containing phosphoric acid compound represented by LixMPO4 as a positive-electrode active material, a negative electrode containing a negative-electrode active material capable of occluding and releasing lithium ions, and a nonaqueous electrolytic solution containing a chain ether and a cyclic carbonate having an unsaturated bond.

Owner:MITSUBISHI CHEM CORP

Electrolyte and lithium ion battery comprising same

ActiveCN105428701AExcellent rate performanceImprove low temperature discharge performanceSecondary cellsElectrolysisDouble bond

The invention relates to the technical field of lithium ion batteries, particularly relates to electrolyte and a lithium ion battery comprising the same. The electrolyte disclosed by the invention comprises lithium salt, an organic solvent and an additive A, wherein the additive A comprises silane compounds containing cyano groups and dinitrile compounds containing ether bonds; the additive A can be used for improving the rate capability and low-temperature discharge performance of the battery under a high voltage, thereby improving the service life of the lithium ion battery. The electrolyte disclosed by the invention further comprises an additive B which is one or more of ether compounds, nitrile compounds, cyclic ester compounds containing S=O double bonds, cyclic carbonate compounds containing C-C unsaturated bonds and compounds containing imido groups. The lithium ion battery comprising the electrolyte can achieve the objective of high voltage and the highest normal working voltage can be improved to 4.4V-5.0V; in addition, the cycle performance of the lithium ion battery is excellent and the capacity retention ratios during charging and discharging can be both high.

Electrolyte and lithium ion battery comprising same

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Owner:DONGGUAN AMPEREX TECH

Rechargeable lithium electrochemical cell

InactiveUS6942949B2Organic electrolyte cellsNon-aqueous electrolyte accumulator electrodesMethyl carbonatePhosphate

A secondary battery is comprised of a positive electrode, a negative electrode formed from a lithium storage material, and a non-aqueous electrolyte. The non-aqueous electrolyte includes a lithium salt, non-aqueous aprotic solvent(s), such as ethylen carbonate, propylene carbonate, dimethyl carbonate, ethymethyl carbonate and diethyl carbonate, and a small percentage of at least one organic additive. The negative electrode may comprise a carbon such as graphite, and the positive electrode may comprise a lithiated metal oxide or phosphate, such as LiCoO₂, LiNiO₂, LiMn₂O₄, LiFePO₄, or mixtures thereof. The organic additives have one or more unsaturated bonds activated with respect to oxidation by electron-pushing alkyl groups. They are in most cases known to be able to undergo polymerization reactions, such as an anodically induced polymerization especially under certain conditions. The additives are oxidized at the cathode at a potential of more than 4.3 V vs. Li/Li⁺. With these additives in amounts of 0.001 to 10%, a passivation layer is formed on the cathodes, and the sensitiveness of the battery against overcharge is reduced. The electrolyte mixtures do not deteriorate the properties of the battery anodes.

Rechargeable lithium electrochemical cell

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Owner:LG ENERGY SOLUTION LTD

Nonaqueous Electrolyte Solution and Lithium Secondary Battery Using Same

ActiveUS20070224514A1Large capacityImprove storage characteristicsCell electrodesOrganic electrolyte cellsSolventOxygen

A non-aqueous electrolyte solution is provided that realizes a large capacity, exhibits high storage characteristics and cycle characteristics, and is capable of inhibiting gas generation.

The non-aqueous electrolyte solution comprises a lithium salt and a non-aqueous solvent, and further comprises: a cyclic carbonate compound having an unsaturated bond in a concentration of 0.01 weight % or higher and 8 weight % or lower; and a compound expressed by general formula (Ia) in a concentration of 0.01 weight % or higher and 5 weight % or lower.

(in the formula (Ia), R¹¹and R¹²represent, independently of each other, an organic group that is composed of one or more carbon atoms and hydrogen atoms and may optionally contain one or more oxygen atoms but excludes unsaturated bonds, provided that at least either R¹¹or R¹²has an ether linkage. The total number of carbon atoms of R¹¹and R¹²is between 3 and 18, and the total number of oxygen atoms contained in R¹¹and R¹²is between 1 and 6.)

Nonaqueous Electrolyte Solution and Lithium Secondary Battery Using Same

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Owner:MU IONIC SOLUTIONS CORP +1

Energy ray-curable inkjet printing ink

InactiveUS20090118388A1Low viscosityHigh sensitivityMixing methodsDuplicating/marking methodsPrinting inkKetone

An energy beam curable type ink jet printing ink comprising (A) a colorant, (B) a compound having at least one ethylenically unsaturated bond which can be polymerized by the application of an energy beam and (C) a photopolymerization initiator, wherein

- the component (B) is a compound having at least one methacryloyl group as a sole polymerizable unsaturated group and the component (C) is a 2-alkyl-2-amino-2-benzyl-1-(4-morpholinophenyl)ethan-1-one.

This ink has low viscosity, high sensitivity and sufficiently high film strength after curing.

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Owner:JSR CORPORATIOON

Transparent nano florescent material composition and application thereof in invisible anti-counterfeiting products

ActiveCN102002365AGood lookingEnhance uniqueness and noveltyStampsLuminescent paintsRare-earth elementOrganic dye

The invention relates to a transparent nano florescent material composition and application thereof in invisible anti-counterfeiting products. The invention provides the transparent nano florescent material composition of which the transparency to wavelengths between 390 and 650 nanometers is over 50 percent. The transparent nano florescent material composition comprises the following nano florescent materials: inorganic nano oxide fluorescent powder which contains rare earth elements, an organic dye which contains unsaturated bonds, organic light-emitting small molecules, semiconductor fluorescence quantum dots, and organic metal complex molecules which contain the rare earth elements, wherein the average particle diameter of the nano fluorescent materials is not more than 400 nanometers.

Transparent nano florescent material composition and application thereof in invisible anti-counterfeiting products

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Owner:NANJING XIGUANG OPTO ELECTRIC TECH CO LTD

Nonaqueous electrolyte and nonaqueous electrolyte secondary battery using the same

InactiveUS20060269843A1Increase capacitanceIncrease internal resistanceCell electrodesOrganic electrolyte cellsEtherPhenyl group

A nonaqueous electrolyte containing a silicon compound of formula (1) or (2) and a nonaqueous electrolyte secondary battery using the nonaqueous electrolyte and excellent in cycle characteristics and low temperature characteristics,

wherein R₁and R₂each represent alkyl, cycloalkyl, alkoxy or halogen; R₃represents alkenyl; and X represents halogen,

wherein R₄, R₅, R₆, and R₇each represent alkyl, alkoxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, phenyl or phenoxy, each of which may have an ether bond in its chain; R₈represents halogen, halogen-substituted aryl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl; a trifluoromethyl group, an acyloxy group having 5 to 8 carbon atoms, a sulfonate group having 1 to 8 carbon atoms, an isocyanyl group an isothianyl or a cyano group, R₉represents halogen, a trifluoromethyl group,an acyloxy group having 5 to 8 carbon atoms, a sulfonate group having 1 to 8 carbon atoms, an isocyanyl group an isothianyl or a cyano group: halogen-substituted aryl; n represents 1 or 2; and Y represents a single bond, oxygen, alkylene, alkylenedioxy, alkenylene, alkenylenedioxy, alkynylene, alkynylenedioxy, arylene or arylenedioxy; provided that the number of groups having an unsaturated bond in R₄, R₅, R₆, R₇, R₈, and R₉is zero or one.

Nonaqueous electrolyte and nonaqueous electrolyte secondary battery using the same

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Owner:DENSO CORP +1

Curable Silicone Composition

ActiveUS20090118441A1Excellent flowability and filling abilityPolymer sciencePtru catalyst

A curable silicone composition comprising at least the following components: (A) a diorganopolysiloxane having in one molecule at least two alkenyl groups; (B) at least two resin-like organopolysiloxanes that have different mass-average molecular weights as reduced into standard polystyrene measured gel permeation chromatography and that are composed of SiO4 / 2 units, R12R2SiO1 / 2 units, and R13SiO1 / 2 units, wherein R1 is an optionally substituted univalent hydrocarbon group that is free of aliphatic unsaturated bonds and R2 is an alkenyl group; (C) an organopolysiloxane that contains in one molecule at least two silicon-bonded hydrogen atoms; and (D) a hydrosilylation catalyst; possesses excellent flowability and filling ability and that can be prepared without extreme viscosity even if the composition contains resin-like organopolysiloxanes required to form a cured silicone body of appropriate strength and hardness.

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Owner:DOW CORNING TORAY CO LTD

Graft copolymers and impact-resistant flame-retardant resin compositions containing the same

InactiveUS7615594B2Avoid serious impactExcellent in retardancySpecial tyresThermoplasticPolymer science

The present invention provides a polyorganosiloxane-containing graft copolymerwhich is obtainable by polymerizing 0.5 to 10 parts by weight of a vinyl monomer (B) comprising 100 to 50% by weight of a polyfunctional monomer (b-1) containing two or more polymerizable unsaturated bonds in the presence of 40 to 90 parts of polyorganosiloxane particles,followed by further polymerizing 5 to 50 parts by weight of a vinyl monomer (C);A polyorganosiloxane-containing graft copolymerwhich is obtainable by polymerizing 0 to 10 parts by weight of a vinyl monomer (B) comprising 100 to 50% by weight of a polyfunctional monomer containing two or more polymerizable unsaturated bonds in the presence of 30 to 95 parts of a polyorganosiloxane in a latex form as obtained by seed polymerization using, as a seed polymer, a hydrophilic polymer capable of swelling in the corresponding organosiloxane,followed by further polymerizing 5 to 70 parts by weight of a vinyl monomer (C);a flame retardant which comprises said copolymer; anda resin composition which comprises said retardant and a thermoplastic resin.

Graft copolymers and impact-resistant flame-retardant resin compositions containing the same

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Owner:KANEKA CORP

Alkali development type photocurable composition and calcined pattern obtained by use of the same

InactiveUS20020096666A1Improve calcination effectStable fastnessElectric discharge tubesConductive materialElectrical conductorPhotolithography

An alkali development type photocurable composition comprises (A) an alkali-soluble macromolecular binder having a weight-average molecular weight in the range of 5,000 to 100,000 and an acid value in the range of 50 to 150 mg KOH / g and obtained by causing (d) a compound possessing one glycidyl group in its molecule to react with a carboxyl group of (A-1) a copolymer of (a) an ethylenically unsaturated bond-containing compound possessing one carboxyl group in its molecule with (b) an ethylenically unsaturated bond-containing compound possessing neither hydroxyl group nor acidic group in its molecule, or a carboxyl group of (A-2) a copolymer of the compounds (a) and (b) mentioned above and (c) an ethylenically unsaturated bond-containing compound possessing a hydroxyl group and then causing (e) a polybasic acid anhydride to react with a hydroxyl group caused by the above reaction, (B) an inorganic powder, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) an organic solvent. By using this composition, such calcined patterns as a conductor pattern and a dielectric pattern of high fineness may be formed by the photolithographic technique.

Owner:TAIYO INK MFG