62 results about "Reaction inhibitor" patented technology

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.

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.

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

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 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.

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.

The invention discloses a fluororubber composition. The invention discloses a preparation method of the fluororubber composition, which comprises the following steps: mixing and stirring hollow activated graphene, vinyl-terminated polydimethylsiloxane, alpha, omega-dihydroxy polydimethylsiloxane, an addition reaction catalyst and a plasticizer, and then adding fluororubber for plastication to obtain the fluororubber compound; the preparation method comprises the following steps: fully stirring vinyl-terminated polydimethylsiloxane, expanded graphite particles, alumina powder, a cross-linking agent and an addition reaction inhibitor to obtain an expanded graphite-alumina compound; mixing the fluororubber compound, the expanded graphite-aluminum oxide compound, calcium hydroxide, active magnesium oxide, palm wax, hexafluorobisphenol A and benzyltriphenyl phosphorus chloride, carrying out thin-passing blanking, carrying out compression molding, standing, vulcanizing at 150-170 DEG C for 5-12 minutes, and cooling to room temperature to obtain the fluororubber composition.

The invention discloses a heat-conducting organic silicon pouring sealant with high thermal stability and chemical corrosion resistance and a preparation method thereof, and belongs to the technical field of pouring sealants. The pouring sealant comprises a component A and a component B in a mass ratio of 1: 1, wherein the component A is prepared from the following raw materials in parts by weight: vinyl silicone oil, fluoroalkyl modified heat-conducting filler, unmodified heat-conducting filler, end hydrogen-containing silicone oil, side hydrogen-containing silicone oil, a reaction inhibitor, fumed silica and phenyl vinyl polyhedral oligomeric silsesquioxane; the component B is prepared from the following raw materials in parts by weight: vinyl silicone oil, fluoroalkyl modified heat-conducting filler, unmodified heat-conducting filler, a catalyst, fumed silica and phenyl vinyl polyhedral oligomeric silsesquioxane. The pouring sealant has excellent thermal stability and excellent chemical corrosion resistance, and can be used for pouring of electronic components in a complex chemical environment.

An immunological assay method for measuring a target substance in a sample, wherein at least one antigen-antibody reaction is performed in the presence of an enzyme that specifically decomposes immunoglobulin A (IgA).

To provide a copolymer composition which has a high crosslinking rate, is excellent in productivity and processability, and gives a crosslinked molded article excellent in physical properties (for example, hardness, tensile stress at break, tensile elongation at break, and compression set).SOLUTION: A polymer (0dL) having an intrinsic viscosity [η] (in decalin at 135 °C.) of 2. 0dL / g or more and less than 4. S1 / g, a polymer (S2) having an intrinsic viscosity [η] (in decalin at 135 °C.) of 0. 5dL / g or more and less than 2. 0dL / g, a specific hydrosilyl group-containing compound (Y), S2, each of the copolymers (S1) and (S2) has a structural unit derived from ethylene (A), a structural unit derived from an α - olefin (B) having 3 to 20 carbon atoms, and a structural unit derived from a non-conjugated polyene (C).SELECTED DRAWING: None

This invention discloses a centrifugal microfluidic chip and a nucleic acid extraction method, specifically relating to the field of nucleic acid extraction technology. The method includes a pretreatment filtration module and a nucleic acid extraction and purification module. The sample solution undergoes primary and secondary filtration in the pretreatment filtration module to remove particulate impurities and protein precipitates, obtaining a clear sample supernatant. Nucleic acids in the supernatant are captured by a silica membrane in the nucleic acid extraction and purification module. Subsequently, a first washing solution and a second washing solution flow sequentially through the silica membrane to wash the adsorbed nucleic acids, removing residual impurities and reaction inhibitors. Finally, the eluent flows through the silica membrane, carrying the nucleic acids into the nucleic acid collection chamber, thereby obtaining the purified nucleic acid sample. This invention features a simple structure and reliable control, enabling sequential control of liquids in multiple chambers, effectively removing impurities and inhibitors from the sample, improving nucleic acid extraction efficiency and purity, and achieving a high degree of integration and automation in the nucleic acid extraction process for soil samples.

The present application relates to a method for separating high-purity n-butyl aldehyde from mixed butyl aldehyde of carbonyl synthesis product, comprising the following steps: adding reaction inhibitor to the product of carbonyl synthesis reaction after separating catalyst, part of which enters high-pressure rectifying column, and the other part enters low-pressure rectifying column, n-butyl aldehyde product is obtained from the side line of high-pressure rectifying column and the bottom of low-pressure rectifying column, and iso-butyl aldehyde product is obtained from the top of high / low-pressure column. The present application adds reaction inhibitor to improve product purity, solves the problem of easy polymerization of mixed butyl aldehyde by using the characteristics of low-temperature decomposition of butyl aldehyde trimer, separates high-purity n-iso-butyl aldehyde from mixed butyl aldehyde with low energy consumption, and has low equipment investment cost and can create high economic benefits.

The invention belongs to the field of coatings, and particularly relates to a self-adhesive organic silicon coating as well as a preparation method and a construction method thereof. The self-adhesive organic silicon coating provided by the invention is prepared from the following raw materials in parts by mass: 100 parts of vinyl silicone oil, 6-35 parts of pretreated white carbon black (or 5-25 parts of white carbon black and 1-10 parts of a white carbon black treating agent), 0.5-8 parts of a tackifier, 2-7 parts of hydrogen-containing silicone oil, 0.2-1 part of a reaction inhibitor, 0-20 parts of a viscosity modifier, 0-20 parts of color paste and 0.5-2 parts of a catalyst, the chemical structure of the tackifier is shown as a formula (I), and in the formula (I), R1 is alkyl, X is alkoxysilyl alkyl, and Y is epoxypropoxy alkyl. The self-adhesive organic silicon coating provided by the invention can still realize good adhesion to a substrate under the condition that a primer is not used. # imgabs0 #

The invention discloses a heat-conducting gel composition for a chip and a cured product of the heat-conducting gel composition, and the heat-conducting gel composition comprises 100 parts by mass of alkenyl polysiloxane with silicon atom connected alkenyl at two ends and 10-15 parts by mass of terminated hydrogen-containing polysiloxane with silicon atom connected hydrogen atom at two ends, the invention relates to a silicone rubber composition, which is prepared from the following components in parts by mass: 0.5 to 2 parts of side hydrogen-containing polysiloxane of which the side group is formed by connecting silicon atoms with hydrogen atoms, 35 to 50 parts of polysiloxane of which one end is provided with 1 to 3 siloxy groups, 1 to 10 parts of silane coupling agent, 1000 to 2000 parts of heat-conducting filler, and a proper amount of platinum catalyst and reaction inhibitor. A cured product obtained after the heat-conducting gel composition is cured can resist high-temperature and high-humidity environments, and the thermal resistance cannot be remarkably increased.

To provide an alkali-silica reaction-inhibiting material capable of being produced in a short time without using an expensive lithium-based material and having excellent alkali-silica reaction-inhibiting effect, a method for producing the alkali-silica reaction-inhibiting material, and a method for inhibiting an alkali-silica reaction.SOLUTION: This invention relates to: an alkali-silica reaction-inhibiting material in which at least a part of alkali ions of natural zeolite are ion-exchanged to hydrogen ions by acid treatment; and a method for producing the alkali-silica reaction inhibiting material, comprising ion-exchanging the alkali ions to hydrogen ions by the acid treatment of the natural zeolite.SELECTED DRAWING: None

The application relates to an OTES modified ZSM-5 / PDMS mixed matrix membrane and a preparation method and application thereof. The OTES modified ZSM-5 / PDMS mixed matrix membrane is characterized in that it comprises a base film and a separation layer which is combined on the surface of the base film, and the separation layer comprises raw materials of end-vinyl PDMS, a platinum group metal catalyst, a reaction inhibitor, OTES modified ZSM-5 molecular sieve and an organic solvent. Compared with the prior art, the PDMS-based composite membrane has the characteristics of high selectivity (high separation factor), high flux and rapid solidification, so as to meet the urgent needs of efficient and continuous treatment of industrial wastewater.

To provide a cement composition and an alkali silica reaction retardant capable of retarding alkali silica reaction.SOLUTION: A cement composition includes a cement, an aggregate, and a silica fume. The aggregate has an expansion coefficient at a material age of 26 weeks measured in accordance with JIS A1146:2017 of 0.05% or over. The silica fume has a BET specific surface area of 5 m2 / g or over and under 15 m2 / g. A content of the silica fume is preferably 1 pt.mass or over and 9 pts.mass or under with respect to 100 pts.mass of cement. The silica fume is preferably those recovered from an exhaust gas generated in production processes of an electromelting zirconia.SELECTED DRAWING: Figure 1

The present invention relates to an encapsulant composition for an organic light-emitting diode, comprising: 1) a polyorganosiloxane having an average of 0.5 or more alkenyl groups bound to a silicon atom in one molecule; 2) a polyorganohydrogensiloxane having an average of two or more hydrogen atoms bound to a silicon atom in one molecule; 3) a platinum-based catalyst; and 4) a reaction inhibitor including a compound having at least two unsaturated ethylene groups, wherein the amount of the reaction inhibitor is 0.005-1.2 wt% on the basis of the total weight of the polyorganosiloxane, and the amount of ions, other than platinum group element ions, is 50 ppm or less on the basis of the total weight of the encapsulant composition.

A method and an apparatus for filling a gap by using an atomic layer deposition (ALD) method are provided. The method includes forming a first reaction inhibition layer on a side wall of the gap; forming a first precursor layer by adsorbing a first reactant into a bottom of the gap and the side wall of the gap around the bottom of the gap; and forming a first atomic layer on the bottom of the gap and the side wall of the gap around the bottom of the gap by adsorbing a second reactant into the first precursor layer. The forming of the first reaction inhibition layer may include adsorbing a first reaction inhibitor into the side wall of the gap; and forming a second reaction inhibitor by removing a specific ligand from the first reaction inhibitor.