2081 results about "Unsaturated bonds" patented technology

A silicone rubber composition comprising (A) an organopolysiloxane containing at least two aliphatic unsaturated bonds, (B) an organopolysiloxane of resin structure comprising SiO₂ units, R³_nR⁴_pSiO_0.5 units and R³_qR⁴_rSiO_0.5 units wherein R³ is vinyl or allyl, R⁴ is 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.

The present invention provides a novel pyrimidine compound having an excellent adenosine receptor (A₁, A_2A, A_2B 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.

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.

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.

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 LiPF₆ and/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)

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.

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.

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.

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, SO₂NH₂ and/or S(O)₉A, A denotes unbranched, branched or cyclic alkyl having 1-14 C atoms, in which one or two CH₂ groups 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, SO₂NH₂ or 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.

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.

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.

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.

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), R¹¹ and R¹² represent, 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 R¹¹ or R¹² has an ether linkage. The total number of carbon atoms of R¹¹ and R¹² is between 3 and 18, and the total number of oxygen atoms contained in R¹¹ and R¹² is between 1 and 6.)

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.

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 R₁ and R₂ each represent alkyl, cycloalkyl, alkoxy or halogen; R₃ represents alkenyl; and X represents halogen,

wherein R₄, R₅, R₆, and R₇ each represent alkyl, alkoxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, phenyl or phenoxy, each of which may have an ether bond in its chain; R₈ represents 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, R₉ represents 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 R₉ is zero or one.

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.

The invention discloses novel liquid polycarbosilane which is low in viscosity and high in storage stability and is crosslinkable, a preparation method of novel liquid polycarbosilane, and an application of novel liquid polycarbosilane. Polycarbosilane is prepared by adopting chloromethyl alkoxy silane or mixtures of chloromethyl alkoxy silane as raw materials by virtue of Grignard coupling reaction and reduction reaction, and the structure of polycarbosilane is shown in a formula (I) in the specification. The structure simultaneously contains Si-H bonds and unsaturated bonds such as C=C bonds, can be subjected to self-crosslinking and curing under a certain condition, has relatively high ceramic yield, and can be used as a silicon carbide precursor of a polymer precursor impregnation pyrolysis (PIP) process. Polycarbosilane disclosed by the invention is adjustable in structural composition, good in storage stability, low in viscosity and relatively low in boiling point, and has the utilization potentiality of being used as a silicon carbide ceramic precursor for chemical vapor deposition/chemical vapor infiltration (CVD/CVI). In addition, polycarbosilane can also be used for replacing commonly-used divinyl benzene to serve as a crosslinking agent of solid-state polycarbosilane (PCS).

A nonaqueous electrolytic solution having an electrolyte salt dissolved in an organic solvent, which contains a silicon compound having an unsaturated bond which is represented by formula (I):

wherein R₁, R₂, R₃, R₄, R₅, and R₆ each represent an alkyl group, an alkoxy group, an alkenyl group, an alkenyloxy group, an alkynyl group, an alkynyloxy group, an aryl group or an aryloxy group, each of which may have an ether bond in the chain thereof; n represents a number of from 0 to 5; when n is 1 to 5, X represents a single bond, an oxygen atom, an alkylene group, an alkylenedioxy group, an alkenylene group, an alkenylenedioxy group, an alkynylene group, an alkynylenedioxy group, an arylene group or an arylenedioxy group; provided that at least one of R₁, R₂, R₃, R₄, R₅, R₆, and X represents a group containing an unsaturated bond,

an organotin compound or an organogermanium compound and a nonaqueous secondary battery having the same.