93 results about "Reaction inhibitor" patented technology

The invention provides silicone rubber and a preparation method thereof. The invention provides silicon rubber. The silicon rubber is prepared from the following raw materials: vinyl-terminated polydimethylsiloxane, vinyl MQ silicon resin, an adhesion promoter, titanium dioxide, polymethylhydrosiloxane and a reaction inhibitor. The preparation method of the silicone rubber comprises the following steps: in the presence of a catalyst, mixing a mixture of vinyl-terminated polydimethylsiloxane and vinyl MQ silicon resin, an adhesion promoter, titanium dioxide, polymethylhydrosiloxane and a reaction inhibitor to obtain the silicone rubber. The silicone rubber disclosed by the invention has high reflectivity, low thixotropy, high fluidity, high heat resistance and storage stability, and is relatively simple in production process and suitable for industrial production.

The invention discloses silicon-based synthetic leather and a preparation method thereof. The synthetic leather comprises base cloth, a silicone rubber layer and a surface treatment layer, wherein the surface treatment layer comprises vinyl-terminated polysiloxane, hydrogen-containing polysiloxane, a reaction inhibitor, a platinum catalyst, silicon dioxide microspheres, hyperbranched vinyl polyurethane and cyclic siloxane; the molar ratio of vinyl in the vinyl-terminated polysiloxane to silicon hydrogen in the vinyl-terminated polysiloxane is 1: (1.05-1.12), and the hyperbranched vinyl polyurethane is prepared by carrying out condensation polymerization on polyol acrylate and isocyanate in the presence of a catalyst and then carrying out end-capping reaction with a vinyl end-capping agent. The formula of the surface treatment layer is optimized, the molar ratio of vinyl to silicon hydrogen is 1: (1.05-1.12), dense vinyl of hyperbranched vinyl polyurethane (HVPUA) reacts with residual Si-H, interface bonding is enhanced by combining amino silane grafting, and silicone oil precipitation is reduced synergistically.

Atomic layer deposition (ALD) of dielectric material in gaps that facilitates void-free bottom-up gap fill can involve flowing a reaction inhibitor during the ALD process. In some embodiments, the reaction inhibitor is flowed during at least part of a plasma operation of a plasma-enhanced ALD (PEALD) process.

Provided is an immunological measurement method for measuring a target substance in a sample, wherein an antigen-antibody reaction is performed at least once in the presence of an enzyme that specifically decomposes immunoglobulin A, abbreviated as IgA.

This nonspecific reaction inhibitor is a copolymer containing a first repeating unit represented by formula (1) and a second repeating unit represented by formula (2). In formula (1), R1, R2, and R3 are each independently a hydrogen atom or a methyl group, X is NH or an oxygen atom, Y is SO3 - or COO-, and Yn and m are each independently an integer from 1 to 5. In formula (2), R4 is a hydrogen atom or a methyl group, Z is NH or an oxygen atom, and A is a linear or branched alkyl group with 12 to 40 carbon atoms.

The invention discloses organic silicon synthetic leather and a preparation method thereof. The synthetic leather comprises base cloth, a silicone rubber layer and a surface coating layer, wherein the surface coating layer is prepared from the following raw materials in parts by weight: 20-70 parts of vinyl terminated polysiloxane, 5-30 parts of hydrogen-containing polysiloxane, 0.5-3 parts of a reaction inhibitor, 0.1-1 part of a platinum catalyst, 5-50 parts of silicon dioxide, 10-60 parts of silicon dioxide microspheres, 5-100 parts of cyclic siloxane, 10-50 parts of a polyurethane prepolymer, 2-10 parts of a polyisocyanate curing agent and 1-10 parts of a compatilizer; the polyurethane prepolymer is obtained by reacting polyhydric alcohol, hydroxyl-terminated polysiloxane and polyisocyanate according to the mass ratio of (60 to 80): (5 to 25): (15 to 25). The polyurethane is introduced into the silicone rubber to generate a synergistic effect, so that the compactness and hardness of a surface protection layer are improved, and the problem that the current organic silicon synthetic leather is poor in wear resistance and sebum resistance is effectively relieved.

Provided is a method of manufacturing a semiconductor device including a dielectric layer including a first surface and a second surface that is more acidic than the first surface is formed on a semiconductor pattern, a reaction inhibitor is adsorbed onto one of the first surface and the second surface through an acid-base reaction, and a target layer is selectively formed through an atomic layer deposition process on a surface, on which the reaction inhibitor is not adsorbed, among the first surface and the second surface.

A coating composition contains the following components: (a) alkenyl-functional siloxane polymer with an average of at least two silicon-bonded alkenyl groups per molecule; (b) SiH-functional siloxane polymer containing an average of at least two SiH functionalities per molecule; (c) optionally, a non-reactive siloxane polymer; (d) hydrosilylation catalyst; (e) optionally, hydrosilylation reaction inhibitor; (f) surfactant; (g) an acid / base buffer that maintains a coating composition pH of less than 7; (h) alkyl and / or alkenyl succinic anhydride-modified starch; (i) water; (j) optionally, biocide; and (k) optionally, antifoam; where the molar ratio of SiH from component (b) to alkenyl groups from component (a) is in a range of 1.2 to 3.0.

A thin film deposition method and a method of fabricating an electronic device using the same are disclosed. The thin film deposition method may include preparing a substrate structure having a pattern portion including a hole, adsorbing a reaction inhibitor to inside and outside of the hole in the substrate structure, wherein an adsorption density of the reaction inhibitor may be lower in the inside than the outside, and depositing a metal layer on the inside and outside the hole by an atomic layer deposition (ALD) process, wherein a deposition rate of the depositing may vary depending on regions by the reaction inhibitor, and wherein the reaction inhibitor may include a metal atom and a ligand for reaction inhibition bonded to the metal atom, and the metal atom may remain on the substrate structure in the depositing the metal layer.

The curable fluorosilicone composition of the present invention comprises at least: (A) an organopolysiloxane having at least two alkenyl groups and at least one fluoroalkyl group in one molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms and at least one fluoroalkyl group in one molecule; (C) a catalyst for platinum group metal-based hydrosilylation reaction; and (D) a hydrosilylation reaction inhibitor having an aliphatic unsaturated bond, the (C) component being a capsule-type catalyst with an acrylic resin as a wall material, the platinum group metal in the (C) component being 0.1 to 100 ppm in mass units relative to the present composition, and the molar ratio of the aliphatic unsaturated bond in the (D) component to the platinum group metal in the (C) component being 1 to 100. The present composition has good curability and a sufficient pot life at ordinary temperature.

To provide a method for producing a propylene-based polymer, wherein, in a first step, in a presence of an olefin polymerization catalyst, a first propylene-based polymer is produced; in a subsequent second step, in a presence of the first propylene-based polymer, a second propylene-based polymer is produced; and wherein at least one selected from the group consisting of the first step, the second step and a midpoint of the first and second steps includes addition of a biomass-derived reaction inhibitor containing 5 ppm by mass to 2000 ppm by mass of water.

A curable composition capable of securing a waiting time after curing starts, and efficiently controlling the relevant waiting time is provided. The curable composition also controls a curing rate after the waiting time to suit the application. A battery module, a battery pack or an automobile comprising a cured product of the curable composition is also provided.

The present disclosure relates to a curable silicone composition comprising (A) an organopolysiloxane resin having at least two aliphatic unsaturated monovalent hydrocarbon groups per molecule, (B) an organopolysiloxane having at least two silicon-bonded hydrogen atoms per molecule, (C) a bis(alkynyloxysilyl)alkane represented by the general formula as disclosed and described herein, and (D) a platinum group metal-based hydrosilylation catalyst. The curable silicone composition provides the advantage that, when an organic solvent used in the preparation of the curable silicone composition is removed, removal of the hydrosilylation reaction inhibitor along with the organic solvent is suppressed, and thus there is little change in curability and storage stability.

The present invention provides a silicone pressure-sensitive adhesive, which is prepared by curing a hydrosilylation reaction-curable composition. The composition comprises: (A) a polydiorganosiloxane gum component, (B) a polyorganosilicate resin component, (C) a hydrosilylation reaction catalyst, (D) a polyorganohydrogensiloxane, (E) an alkyl borate, (F) a hydrosilylation reaction inhibitor, (G) a solvent, and (H) an anchoring additive. The silicone pressure-sensitive adhesive adheres to an optical silicone elastomer and can be used to prepare components of a flexible display device.

To provide a copolymer composition capable of obtaining a molded article excellent in balance of water absorption, surface roughness and compression set.SOLUTION: A copolymer (S) having a structural unit derived from ethylene (A), a structural unit derived from an α - olefin having 3 to 20 carbon atoms (B), and a structural unit derived from a non-conjugated polyene (C), a hydrosilyl group-containing compound (Y) represented by the formula (a) which is an organohydrogenpolysiloxane having at least one silicon-bonded aralkyl group and at least two silicon-bonded hydrogen atoms in a molecule, a platinum-based catalyst, a reaction inhibitor, carbon black, a sodium bicarbonate-based foaming agent (F1), and a microcapsule-based foaming agent (F2); To provide a copolymer composition, a crosslinked molded product of the composition, and a weather strip sponge.SELECTED DRAWING: None

The invention relates to the technical field of investment casting, in particular to a low-thermochemical-activity ceramic core for investment casting and a preparation method of the low-thermochemical-activity ceramic core. The ceramic core comprises the following chemical components in percentage by weight: 70-90 wt% of fused quartz glass powder, 3-15 wt% of a thermal chemical reaction inhibitor and 7-15 wt% of a combined mineralizer. According to the low-thermochemical-activity ceramic core and the preparation method thereof, the thermochemical reaction inhibitor and the combined mineralizer are added, so that the high-temperature thermochemical stability and the mechanical property of the ceramic core are remarkably improved, and the problem of shell liquid reaction of a high-temperature alloy casting can be effectively solved; and the strict requirements of directional / single-crystal high-temperature alloy investment casting are met, the quality and the qualified rate of castings are improved, and reliable technical support is provided for production of high-temperature alloy directional / single-crystal castings of aero-engines.

The invention provides a high-performance functionalized rubber nano composite material as well as a preparation method and application thereof. The high-performance functionalized rubber nano composite material is prepared from the following raw materials: functionalized rubber, a side reaction inhibitor, a filler, an activator, a vulcanizing agent, an accelerant, an anti-aging agent and a softening agent. The side reaction inhibitor is added in the preparation process of the functionalized rubber nano composite material for shearing and blending, side reaction generated in the processing process is inhibited, the high-performance functionalized rubber composite material is obtained, the scorching time is prolonged, the processing performance is improved, the filler is uniformly dispersed, the filler-rubber interaction is good, and the service life of the rubber nano composite material is prolonged. Good dynamic mechanical properties and physical and mechanical properties are realized. When applied to a tire, the high-wear-resistance and heat-generation-resistant rubber composition shows relatively low rolling resistance and relatively high wet skid resistance, wear resistance and heat generation performance are improved, fuel oil consumption can be reduced, and safety and durability of the tire are improved.

A curable composition capable of securing a waiting time after curing starts, and efficiently controlling the relevant waiting time is provided. The curable composition also controls a curing rate after the waiting time to suit the application. A battery module, a battery pack or an automobile comprising a cured product of the curable composition is also provided.

This invention relates to the field of cable manufacturing materials technology, specifically disclosing a semi-conductive power cable wrapping tape and its preparation method. The wrapping tape includes a reinforcing substrate layer and a semi-conductive functional layer coated on one side thereon. The semi-conductive functional coating liquid is composed of oxime-containing polysiloxane, aminated conductive filler, polyisocyanate crosslinking agent, catalyst, and reaction inhibitor. This invention constructs a stable conductive network through the chemical anchoring structure formed by the aminated conductive filler and the oxime-containing polysiloxane, significantly improving interfacial bonding and effectively inhibiting the migration and detachment of the filler under mechanical deformation. Simultaneously, utilizing the topological rearrangement characteristics of dynamic bonds, it endows the material with excellent crack propagation resistance and a certain structural reorganization potential, helping to delay material aging and damage accumulation. Combined with the step-by-step dripping process and the synergistic effect of the reaction inhibitor, latent curing is achieved, avoiding bubble and gelation problems during construction.

An etching method comprises (a) providing a substrate in a chamber, the substrate including a silicon-containing film and a mask on the silicon-containing film; and (b) etching the silicon-containing film, including (b-1) etching the silicon-containing film using plasma generated from a first process gas, the first process gas containing a hydrogen fluoride gas and a reaction control gas to control a reaction between hydrogen fluoride and the silicon-containing film, the first process gas containing, as the reaction control gas, at least one of a reaction accelerator gas to accelerate the reaction or a reaction inhibitor gas to inhibit the reaction, and (b-2) etching the silicon-containing film using plasma generated from a second process gas, the second process gas containing a hydrogen fluoride gas, and containing at least one of a reaction accelerator gas to accelerate the reaction or a reaction inhibitor gas to inhibit the reaction.

The invention belongs to the technical field of membrane materials, and particularly relates to an organic silicon coating, a polytetrafluoroethylene composite membrane as well as a preparation method and application thereof. The organic silicon coating disclosed by the invention is prepared from the following components in parts by weight: 5 to 20 parts of hexamethylcyclotrisiloxane, 5 to 15 parts of octamethylcyclotetrasiloxane, 0.5 to 5 parts of anchoring agent, 0.5 to 5 parts of platinum catalyst, 0.1 to 0.5 part of reaction inhibitor and 100 to 500 parts of methylbenzene. The organic silicon coating is used, a compact hole sealing coating is formed on the modified surface of the surface modified polytetrafluoroethylene film, original micropores of the polytetrafluoroethylene film can be isolated, the sealing performance is good, and the problem that the barrier property of the polytetrafluoroethylene film is poor is solved. Meanwhile, both the organic silicon coating and the polytetrafluoroethylene have very high temperature resistance, and can stay in an autoclave at 280 DEG C for 3 hours without the occurrence of curling, melting, cracking and other abnormalities. And the composite film has good high temperature resistance and good barrier property, and meets the molding requirements of a thermosetting prepreg system.

The present disclosure relates to a bis(alkynyloxysilyl)alkane expressed by the general formula:where R1 independently represents an alkynyl group having 5 to 12 carbon atoms, R2 independently represents an alkyl group having 1 to 3 carbon atoms or a hydrogen atom, R3 independently represents an alkyl group having 1 to 3 carbon atoms, a is independently 1, 2, or 3, b is independently 0, 1, or 2, and (a+b) is 2 or 3, with the proviso that at least one b is 1 or 2, and n is an integer from 2 to 20. The bis(alkynyloxysilyl)alkane is effective as a hydrosilylation reaction inhibitor, has a high boiling point, low vapor pressure at room temperature, and has excellent affinity for curable silicone compositions that cure through a hydrosilylation reaction.

A curable silicone composition includes (A) a resinous alkenyl group-containing organopolysiloxane comprising (A-1) and (A-2); (B) at least one organopolysiloxane; (C) a silicone reactive compatibilizer which is an organopolysiloxane having no more than 6 siloxane units; (D) a curing catalyst; and (E) a reaction inhibitor.

The present invention relates to a non-specific reaction inhibitor which has a constituent unit (A) derived from 2-methacryloyloxyethyl phosphorylcholine and exhibits a copolymer having a specific physical property (X) as measured by Fourier transform infrared spectroscopy by attenuated total reflection measurement (ATR method). And a non-specific reaction inhibitor for use in inhibiting a non-specific reaction when measuring an antibody or antigen contained in a biological sample by mixing the copolymer with the biological sample.

The present invention relates to an immunological measurement method for immunological measurement of a substance to be measured in a sample, an immune reaction is carried out in the presence of an anti-immunoglobulin L chain lambda monoclonal antibody and an anti-immunoglobulin L chain kappa monoclonal antibody, in the presence of an anti-immunoglobulin L chain lambda monoclonal antibody or in the presence of an anti-immunoglobulin L chain kappa monoclonal antibody; this immunological measurement method can suppress non-specific reactions that cannot be eliminated by conventional non-specific reaction inhibitors.

The invention proposes a unitary metallothermic technology with sequential or multi-sequential continuous serial operation. The proposed technology includes a metallothermic process and a complementary metallothermic installation, used to release the existing potential chemical energy at the atomic level and use it to obtain caloric and / or thermoelectric energy simultaneously with the production of metals or alloys, of powders and slags. This invention proposes the use of metal oxides originating from metal ores or / and from some metallic oxide waste, using metal reducing agents together with reaction moderators consisting of alloying materials, reaction inhibitors and fluxes. The objective technical problem that the invention solves is the cheap production of cleaner thermoelectric energy, complementary to the sequential or to the serial continuous multi- sequential obtaining of some steel / metallurgical products, by using the potential chemical energy existing at the atomic level in the metallothermic mixtures, for the simultaneous obtaining of two different types of products.

The invention belongs to the technical field of pouring sealants, and particularly relates to a preparation method of an insulating organic silicon pouring sealant with low dielectric constant and high thermal conductivity, the insulating organic silicon pouring sealant comprises a component A and a component B, the component A comprises the following preparation raw materials in percentage by weight: 10-20% of vinyl silicone oil, 2-3% of hydrogen-containing silicone oil, 0.1-0.5% of a reaction inhibitor, 60-70% of ferrochrome, 8-18% of polyvinyl alcohol and 3-10% of pure water; the component B comprises the following preparation raw materials in percentage by weight: 10-20% of vinyl silicone oil, 0.1-1% of a platinum catalyst, 60-80% of ferrochrome, 9-19% of polyvinyl alcohol, 3-10% of pure water and 0.1-0.5% of color master batch. By adjusting the formula, the low-dielectric-constant ferrochrome is added as an inorganic filler to reduce the dielectric constant of the pouring sealant, the ferrochrome has excellent thermal conductivity and can improve the thermal conductivity of the pouring sealant under different particle size ratios, and the polyvinyl alcohol is added to the formula, so that the insulating capacity of the pouring sealant can be improved, and the pouring sealant is low in viscosity and high in heat conductivity. The potting requirements of electronic product components can be met, the weather resistance and reliability of the electronic components are improved, and the service life is prolonged.

To provide a flame-retardant polycarbonate resin composition which is excellent in alkali oil resistance, thinning flame retardancy, impact resistance and surface appearance.SOLUTION: A flame-retardant polycarbonate resin composition contains, with respect to 100 pts.wt. of a component composed of 30 to 50 pts.wt. of (A) a polycarbonate resin (component A) and 70 to 50 pts.wt. of (B) a polybutylene terephthalate resin (component B), 10 to 20 pts.wt. of (C) a brominated polycarbonate-based flame retardant (component C), 1 to 5 pts.wt. of (D) antimony pentaoxide, 1 to 4.5 pts.wt. of (E) a core-shell type graft copolymer obtained by graft polymerization of acrylic rubber as a core component and a (meth)acrylate compound as a shell component, more than 2 pts.wt. and 5 pts.wt. or less of (F) a talc (component F) having an average particle diameter of 0.1 to 10 μm, 0.1 to 1 pts.wt. of (G) a drip prevention agent (component G), and 0.01 to 0.5 pts.wt. of (H) a transesterification reaction prevention agent (component H).SELECTED DRAWING: None

This non-specific reaction inhibitor used for biochemical measurement comprises as active ingredients: (a) an antibody or a fragment thereof; and (b) a copolymer containing (1) a first repeating unit having a linear or branched alkyl group having 12-40 carbon atoms and (2) a second repeating unit having a cationic moiety and an anionic moiety.

Provided are a method and apparatus for filling a gap using an atomic layer deposition (ALD) method, and a device implemented by the method. The method includes forming a first reaction inhibition layer by adsorbing a reaction inhibitor onto the sidewalls of the gap, forming a first precursor layer by adsorbing a first reactant onto the bottom of the gap and the sidewalls of the gap around the bottom of the gap, and forming a first atomic layer at the bottom of the gap and on the sidewalls of the gap around the bottom of the gap. The reaction inhibitor includes a precursor material that does not react with the second reactant. The first reaction inhibition layer may have a density gradient in which the density of the reaction inhibitor decreases toward the bottom of the gap. Forming the first atomic layer includes adsorbing the second reactant onto the first precursor layer.