552 results about "Hydrosilylation" patented technology

The invention relates to the technical field of fibers, and discloses a high-elasticity polyurethane flame-retardant fiber, a preparation method and application of the high-elasticity polyurethane flame-retardant fiber to a telescopic electric wire. The preparation method comprises the following steps: by using 1, 1, 3, 3-tetramethyldisiloxane as a bridging agent through hydrosilylation reaction, connecting allyl modified DOPO with allyl phenoxy cyclotriphosphazene to prepare a flame retardant with three flame-retardant elements of phosphorus, nitrogen and silicon at the same time; the preparation method comprises the following steps: preparing a polyurethane urea solution by a method of adding 4, 4-diphenylmethane diisocyanate in batches, introducing a flame retardant, mixing the polyurethane urea solution with an antioxidant, a dyeing assistant and a delustering agent, and carrying out dry spinning to obtain the high-elasticity polyurethane flame-retardant fiber. The polyurethane fiber has excellent flame retardant property and heat resistance, and good mechanical property and resilience, and can be applied to telescopic electric wires.

The invention discloses conductive paste, a preparation method thereof and a radio frequency identification tag. The conductive paste comprises the following raw materials in parts by mass: 30-40 parts of spherical silver powder, 3-6 parts of carbon nanotubes, 20-30 parts of a resin adhesive, 40-50 parts of a diluent and 2-4 parts of a dispersant, the resin adhesive comprises polyurethane resin and an organosilicone modified acrylate monomer in a mass ratio of (8-9): (1-2), and the organosilicone modified acrylate monomer is obtained by hydrosilylation of a hydroxyl acrylate monomer and a hydrogen-containing silane compound in a molar ratio of (1.0-1.1): 1. According to the invention, the contradiction between the conductive performance and fluidity and the product flexibility of the conductive paste can be effectively solved, and the RFID product with high conductivity, printing quality and mechanical flexibility can be prepared.

The invention discloses a preparation method of silane or siloxane containing adamantyl. According to the invention, adamantane carboxylic acid is taken as a starting raw material, an adamantane compound containing double bonds at the tail end is obtained through an esterification reaction, and then the adamantane compound and hydrogen-containing silane or hydrogen-containing siloxane are subjected to a hydrosilylation reaction to prepare adamantyl-containing silane or siloxane. The method is mild in reaction condition, simple, convenient and easy to operate, capable of achieving preparation of adamantyl silane or siloxane of various structures, wide in application range and capable of providing diversified choices for development of novel adamantyl modified organic silicon materials.

The invention relates to the field of high polymer materials, and discloses a preparation method of high-temperature-resistant oil-resistant special functional silica gel, which comprises the following steps: adding a thermoplastic polyester elastomer, fluorosilicone rubber and a macromolecular compatilizer into an extruder through a main feeding port, and carrying out melt blending; adding hydrogen-containing silicone oil, a platinum catalyst and an internal closed type cross-linking agent through a side feeding port, and carrying out distributed blending; under the condition that the temperature is higher than the deblocking temperature of the cross-linking agent, initiating the internal closed cross-linking agent to perform physical thermal cracking shelling and release cross-linking sites, and guiding hydrosilylation reaction to perform dynamic vulcanization; and after vacuumizing and exhausting, extruding and pelletizing to obtain the silica gel. Through cooperation of a space-time decoupling distributed feeding process and a non-toxic thermal deblocking cross-linking agent, catalyst poisoning caused by early-stage high-temperature shear consumption and by-products is avoided, a cross-phase covalent interlocking network is constructed at a polyester and fluorine-silicon two-phase interface, permeation of a non-polar solvent is hindered, and therefore the performance of the fluorine-silicon copolymer is improved. The volume swelling ratio of the material is reduced; and the high-temperature aging resistance is improved.

The invention provides a single-component modified silane adhesive as well as a preparation method and application thereof. The adhesive is prepared by mixing the following components: silane modified polyether resin, silane modified polymer resin, a plasticizer, a composite light stabilizer, a filler, a rheological additive, a water removal agent, a coupling agent and a catalyst, the silane modified polyether resin is silane-terminated resin prepared by a hydrosilylation method; the silane-modified polymer resin is a silane-terminated polymer resin containing a urethane bond. The adhesive is excellent in comprehensive performance, the tensile strength of a body is larger than 3 MPa, the elongation at break is larger than 450%, the adhesive is high in adhesion universality to metal base materials, PET films, ceramics, glass, wood floors, PVC, PC, ABS, wood-plastic composite materials and paint faces, the base materials do not need to be specially treated, the damage form is cohesive failure, and the adhesive has good adhesion strength, tear resistance and excellent temperature resistance and is suitable for being applied to the field of wood products. After aging at 120 DEG C for one week, the tensile strength of the body is greater than 3 MPa, the elongation at break is greater than 430%, and the surface layer can be coated after curing.

The invention discloses a method for continuously synthesizing long-chain alkyl modified silicone oil, which belongs to the technical field of organic synthesis, and comprises the following specific steps: quickly mixing hydrogen-containing silicone oil and long-chain olefin in a micro-mixer, carrying out hydrosilylation reaction in a packed tubular reactor, controlling the reaction residence time by using the tube length, and continuously synthesizing the long-chain alkyl modified silicone oil. Controlling the material ratio by utilizing the reaction liquid flow ratio, controlling the reaction temperature by utilizing a water bath, and obtaining a mixed solution containing modified silicone oil after the reaction is completed; and decoloring the mixed solution by using activated carbon, and then carrying out reduced pressure rotary evaporation on the decolored mixed solution to finally obtain a modified silicone oil pure product. The method realizes continuous synthesis of the modified silicone oil, and has the advantages of simple process, short reaction time and high reaction safety.

The present invention is an addition-curable silicone composition containing components (A) to (C): (A) An addition reaction product of an organopolysiloxane represented by formula (1) and a compound represented by formula (2), the addition reaction product having two addition-reactive carbon-carbon double bonds per molecule. (1) (R1 is a C1-12 monovalent hydrocarbon group, R2 is a methyl group or a phenyl group, a is an integer of 0-50, and b is an integer of 0-300. ), (2) (R3 represents a C1-12 divalent hydrocarbon group.), (B) an organosilicon compound having a hydrogen atom bonded to at least two silicon atoms per molecule, and (C) a hydrosilylation reaction catalyst. Thus, provided are an addition-curable silicone composition that has high transparency and a high refractive index and yields a cured product having high strength and high elongation and a highly reliable optical semiconductor device sealed by a cured product thereof.

A process for the preparation of a curable thermally conductive composition and the process comprises the steps of: (I) preparing an admixture comprising the following components (A), (B1), (C), (D) and (E): (A) 3 wt% to 10 wt% of a Q-branched alkenyl functional polyorganosiloxane having at least three terminal alkenyl groups per molecule, and having a viscosity of from 25 mPa * s to 2000 mPa * s as determined at 25 DEG C according to ASTM D445-21 using a viscometer of the glass capillary Cannon-Finsky type; and a method for preparing the same, wherein the viscosity is from 25 mPa * s to 2000 mPa * s as determined at 25 DEG C using a viscometer of the glass capillary Cannon-Finsky type; (B1) a silyl-hydride functional polysiloxane crosslinker containing at least two silyl-hydride groups per molecule, and present in a concentration that provides a molar ratio of silicon-bonded hydrogen atoms in (B1) to alkenyl groups in the Q-branched alkenyl functional polyorganosiloxanes in the range of 0.2 to 0.35; (C) 90 wt% or more of a thermally conductive filler; (D) a filler treatment agent; and (E) a platinum-based hydrosilylation reaction catalyst; (II) curing the admixture obtained from step (I) by heat, thereby forming a pre-cured composite material; and (III) mixing the pre-cured composite material obtained from step (II) with (B2) a silyl-hydride functional polysiloxane cross-linking agent containing at least two silyl-hydride groups per molecule; thereby obtaining a curable thermally conductive composition; wherein the molar ratio of the total silicon bonded hydrogen atoms in the silyl-hydride functional polysiloxane crosslinkers (B1) and (B2) to the alkenyl groups in the Q-branched alkenyl functional polyorganosiloxane (A) is greater than 0.45; and wherein the weight percentages are relative to the weight of the curable thermally conductive composition.

The invention discloses a raw foil titanium composite anode plate and a preparation method thereof, and belongs to the technical field of electrolytic copper foils, vinyl cage-type nanospheres prepared by a sol-gel method and 1, 1, 3, 3-tetramethyldisiloxane-propyl glycidyl ether are subjected to hydrosilylation reaction to obtain epoxy cage-type nanospheres, and the epoxy cage-type nanospheres and 1, 1, 3, 3-tetramethyldisiloxane-propyl glycidyl ether are subjected to hydrosilylation reaction to obtain the raw foil titanium composite anode plate. The amino group on the surface of the chitosan / mesoporous silica core-shell powder is utilized to initiate ring opening of the epoxy group of the epoxy cage type nanosphere, so that the surface of the chitosan / mesoporous silica core-shell powder is uniformly coated with the epoxy cage type nanosphere, and the multi-layer core-shell micron carbon sphere is formed after calcination; the micron carbon spheres can disperse stress through the multi-layer core-shell structure of the micron carbon spheres, so that surface cracking of the anode caused by impact of high-flow electrolyte is avoided; the micron carbon spheres can form a micro convex structure on the surface of the pretreated foil rolled material, so that the surface roughness can be increased, the falling of an oxide layer is avoided, and the micron carbon spheres can obviously increase the conductivity of the titanium anode.

The invention discloses a high-strength antibacterial polypropylene staple fiber and a preparation method thereof. The polypropylene staple fiber comprises the following raw materials in parts by mass: 100 parts of polypropylene and 1-3.5 parts of modified nano titanium dioxide, the modified nano titanium dioxide comprises the following raw materials: nano titanium dioxide, a vinyl silane compound, double-end hydrogen-containing silicone oil and styrene in a mass ratio of 100: (3-5): (10-30): (2-5), and the double-end hydrogen-containing silicone oil has two silicon hydrogen end-capping groups; the nano titanium dioxide is subjected to surface treatment by a vinyl silane compound, and then is subjected to hydrosilylation reaction with double-end hydrogen-containing silicone oil and styrene under the action of a platinum catalyst. According to the invention, the polysiloxane chain segment with enhancing, plastifying and broad-spectrum antibacterial effects is introduced to graft the nano titanium dioxide, so that the balance of various properties such as mechanical strength, antibacterial efficiency and softness of the polypropylene staple fiber is realized.

A curable composition comprises: at least one aliphatic carbosilane having m Si—H groups, at least one aliphatic carbosilane having n vinyl groups, and at least one hydrosilylation reaction catalyst. m is an integer greater than or equal to 2, n is an integer greater than or equal to 2, and m+n is at least 5. A cured reaction product and an electronic article including the same are also disclosed.

Provided is a curing reactive organopolysiloxane composition that forms a pressure-sensitive adhesive layer having a high shear storage elastic modulus and stress at 500% strain and having excellent adhesive strength. The organopolysiloxane composition comprises: (A) a chain organopolysiloxane having an alkenyl group; (B) an organopolysiloxane resin having 9 mol % or less of hydroxyl groups and the like, and being a mixture of (b1) an organopolysiloxane resin having a (Mw) of 4500 or more and (b2) an organopolysiloxane resin having a (Mw) of less than 4500; (C) an organohydrogenpolysiloxane; and (D) a hydrosilylation reaction catalyst. A mass ratio of a resin component to a chain siloxane component is within a range of 1.4 to 3.0 A pressure-sensitive adhesive layer obtained by curing the composition has a shear storage elastic modulus G′ at 25° C. of 3.5 MPa or more, and a stress at 500% strain of 0.25 MPa or more.

The invention discloses a preparation method of a tackifying flame-retardant organic silicon pressure-sensitive adhesive, which comprises the following steps: carrying out hydrosilylation reaction between a vinyl trimethoxy silane coupling agent and methyl hydrogen-containing silicon resin to synthesize an organic silicon tackifier MQ-ETMS, and carrying out wet modification on aluminum diethylphosphinate by using an olefinic bond-containing silane coupling agent to prepare a flame retardant K-ADP. After the prepared organic silicon tackifier and the flame retardant are introduced into an organic silicon pressure-sensitive adhesive system, the high-performance organic silicon pressure-sensitive adhesive tape is prepared through blending, coating, solvent volatilization and heating crosslinking. The synthesized tackifier is rich in methoxyl functional groups, the functional groups enhance the interaction between the organic silicon pressure-sensitive adhesive and the surface of an adhered material, and meanwhile, the olefinic bond-containing silane coupling agent is utilized to perform surface modification on the aluminum diethylphosphinate, so that the problem of dispersion of a traditional flame retardant added into the organic silicon pressure-sensitive adhesive is solved; therefore, the adhesion performance and the flame retardant property of the organic silicon pressure-sensitive adhesive are both improved.

The invention relates to the technical field of organic silicon catalysis, and discloses a hydrosilylation reaction catalyst and a preparation method thereof, the catalyst is prepared from a platinum complex catalyst solution, maleic anhydride, triphenyl borate, tetraethoxysilane, propylene carbonate and diethylene glycol dibutyl ether; the preparation method comprises the steps of solvent water removal, electronic relay adduct preassembly, active metal introduction, thermal induction aging and the like. An electron-deficient coordination center is constructed through a step-by-step process, the electron cloud density of the platinum center is reduced by utilizing the Lewis acid characteristic of triphenyl borate, and the solvent cage effect of propylene carbonate is matched, so that the high-temperature tolerance of the catalyst is improved, and the generation of platinum black is effectively inhibited; meanwhile, the solubilizing and bridging effects of diethylene glycol dibutyl ether are utilized, the compatibility problem of a high-polarity component and a non-polar silicone oil matrix is solved, and the obtained catalyst has high activity, high regioselectivity and excellent long-term storage stability.

The invention relates to a preparation method of supported porous carbon for catalyzing hydrosilylation reaction, which comprises the following steps: (S1) mixing thermoplastic phenolic resin, polyindole boric acid and a stabilizer, and heating to react to obtain modified phenolic resin; the mass ratio of the thermoplastic phenolic resin to the polyindole boric acid is 100: (15-25); (S2) dissolving the modified phenolic resin, a pore-foaming agent and a curing agent in a solvent, removing the solvent, and crushing to obtain solid particles; (S3) carrying out thermocuring, pre-oxidation, carbonization, activation and oxidation treatment on the solid particles in sequence to obtain oxidized porous carbon; (S4) modifying the oxidized porous carbon with vinyl siloxane to obtain vinyl siloxane modified porous carbon; and (S5) dipping the vinyl siloxane modified porous carbon in an alcoholic solution of platinum salt to obtain the supported porous carbon. The supported porous carbon prepared by the invention has excellent catalytic efficiency and good stability when being used for catalyzing hydrosilylation reaction, and can be recycled.

The invention relates to a 2N type manganese complex and a preparation method thereof, and a preparation method of phenylalkyl disiloxane. The invention discloses a 2N-type manganese complex and a preparation method thereof, and the preparation method comprises the following steps: (1) adding 2-bromo-pyridine, a ligand, potassium carbonate and cuprous iodide into a dimethyl sulfoxide solution, and reacting at 110-130 DEG C for 20-28 hours to obtain an N, N bidentate ligand; the ligand is 1-(pyridine-2-yl)-1H-indole, or 2-(1H-pyrazole-1-yl) pyridine, or 2-(2H-1, 2, 3-triazole-2-yl) pyridine, and the ligand is one or more of 1-(pyridine-2-yl)-1H-indole, 2-(1H-pyrazole-1-yl) pyridine, 2-(2H-1, 2 And (2) dissolving the N, N bidentate ligand and Mn (CO) 5Br in a tetrahydrofuran solution, and reacting at 65-75 DEG C for 10-14 hours to obtain the 2N type manganese complex. According to the 2N-type manganese complex, the preparation method thereof and the preparation method of the phenyl alkyl disiloxane, the 2N-type manganese complex is used as a catalyst for hydrosilylation reaction of pentamethyldisiloxane, styrene and derivatives thereof to prepare the phenyl alkyl disiloxane.

The present invention relates to an organopolysiloxane composition comprising an organopolysiloxane having at least two alkenyl groups per molecule, an organopolysiloxane having at least two SiH units per molecule, a hydrosilylation catalyst, and a thermally conductive filler, the thermally conductive filler comprising at least 40% by weight of metal silicon and a specific particle size distribution. The present invention also relates to an organosilicon elastomer obtainable by crosslinking and / or curing the composition, and to its use as a coating or filling thermally conductive material particularly for the automotive field, especially for the field of electric vehicles.

A composition for printing a three-dimensional siloxane structure includes a siloxane monomer having at least one silane functional group, a chain transfer agent, a hydrosilylation catalyst, a radical initiator, and a photo-oxidizing agent.

Provided is a curing reactive organopolysiloxane composition that forms a pressure-sensitive adhesive layer having excellent curing properties, a wide range of designable viscoelastic properties such as storage elastic modulus (G′) and the like, and practically sufficient pressure-sensitive adhesive strength and tensile adhesive strength. The organopolysiloxane composition comprises: (A) an organopolysiloxane having an alkenyl group; (B) an organopolysiloxane resin with 9 mol % or less of hydroxyl groups or the like relative to all silicon atoms in a molecule or resin mixture thereof; (C) an organohydrogenpolysiloxane; (D) an organic silicon compound having an alkenyl group; and (E) a hydrosilylation reaction catalyst. A ratio (molar ratio) of the substance amount of SiH groups in component (C) relative to the sum of alkenyl groups in components (A), (B) and (D) is 1.0 or more.

The invention discloses a hand feeling agent and an organic silicon leather surface treatment agent, and relates to the field of organic silicon synthetic leather. The hand feeling agent comprises white carbon black and silicone rubber coating the surface of the white carbon black, and the silicone rubber is prepared from vinyl silicone oil and hydrogen-containing silicone oil through a hydrosilylation reaction. The hand feeling agent comprises the following raw materials: 5-15% of vinyl silicone oil, 1-10% of hydrogen-containing silicone oil, 300-1000 ppm of an inhibitor, 1-10 ppm of a platinum catalyst, and the balance of white carbon black. The hand feeling agent provided by the invention has good compatibility with a surface layer matrix of silicon-based synthetic leather, can effectively reduce the phenomenon of powder falling caused by falling of the hand feeling agent, and endows the improved leather with more prominent soft and smooth touch feeling.

A hydrosilylation-curable composition contains the following components: (a) hydroxyl-functional polyorganosiloxane gum; (b) alkenyl-functional polyorganosiloxane gum; (c) optionally, tetraalkoxysilane; (d) trimethylsilyl-capped MQ resin; (e) hydrosilylation inhibitor; (f) silylhydride-functionals crosslinker at a concentration sufficient to achieve a molar SiH / alkene ratio in the hydrosilylation-curable composition that is in a range of 10-200; (g) platinum hydrosilylation catalyst at a concentration sufficient to provide 0.1 to 200 mass parts platinum per million mass parts of hydrosilylation-curable composition; (h) optionally, non-functional trimethylsilyl-capped polydimethylsiloxane gum; and (i) solvent; wherein the combined concentration of components (a) and (c) is in a range of 7 to 20 mass-percent relative to the combined concentration of components (a) through (h).

The present invention relates to coating compositions that can be applied to the surface of a substrate to form a durable, non-stick coating. The coating compositions can include a basecoat composition and a topcoat composition for forming a basecoat and a topcoat applied over the basecoat. The basecoat can include one of an organic polymer, a sol-gel composition, and a silicone resin. The basecoat composition and the resulting basecoat can further include reinforcing particles. The topcoat can include a siloxane matrix formed from one of a hydrosilylation reaction, a dehydrocoupling reaction, and a polycondensation reaction. The basecoat and the topcoat can each be substantially free of a fluoropolymer component.

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.

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.

The present disclosure relates to a silicone foam adhesive composition comprising (a) at least one polyorganosiloxane containing at least 2 silicon-bonded alkenyl groups per molecule, (b) at least one polyorganosiloxane containing at least 2 silicon-bonded hydrogen atoms per molecule, (c) a porogen capable of generating hydrogen gas in the presence of (b), comprising (c1) a polyorganosiloxane containing at least 1 silicon-bonded hydroxyl group per molecule, and (c2) water, and (d) a hydrosilylation catalyst; provided that the molar ratio of the hydroxyl groups in component (c2) to the hydroxyl groups in component (c1) is in the range of 1:5 to 20:1. The composition has a lower viscosity, a longer working time, and the cured foam has a lower density, fine and uniform cells.

Provided is a novel curable organopolysiloxane composition and the like that can be used in the production of semiconductor components and the like. A curable organopolysiloxane composition comprising: (A1) an organopolysiloxane having no curable functional group having an aliphatic unsaturated bond within the molecule, and containing at least 20 mol% or more of siloxane units represented by SiO 4 / 2 (A1-1) in the total siloxane units; (A2) an organopolysiloxane having at least one monovalent hydrocarbon group having an aliphatic unsaturated bond in one molecule; (B) an organohydrogenpolysiloxane containing at least two silicon-bonded hydrogen atoms in one molecule; (C) a first hydrosilylation catalyst that exhibits activity by irradiation of high-energy rays; and (D) a second hydrosilylation catalyst microencapsulated by a thermoplastic resin having a softening point in the temperature range of 50 to 200°C.

The application discloses a platinum complex with controllable activity and a preparation method and application thereof, which is formed by coordination of vinyl siloxane, modified ligand and chloroplatinic acid; the modified ligand is prepared by reaction of maleic anhydride, allylamine and hydroxymethyl dimethyl phosphite. The application introduces amide groups and phosphite groups into the molecular chain of maleic anhydride, uses the groups as coordination compounds to coordinate with vinyl siloxane and platinum, and can improve the normal-temperature storage stability of the platinum catalyst while still keeping high catalytic activity of the platinum catalyst on the hydrosilylation reaction; when the platinum complex is used for catalyzing preparation of addition-type liquid silicone rubber, no inhibitor needs to be added, and the silicone rubber has good mechanical properties.

The invention relates to the technical field of pesticide production, and particularly discloses a preparation process of glufosinate-ammonium intermediate 3-(methyl hydroxyl phosphonyl) propionaldehyde. The preparation method comprises the following steps: 1, carrying out addition reaction on diethyl methylphosphonite and acrylic acid in absolute ethyl alcohol to generate 3-[ethyoxyl (methyl) phosphonyl] propionate; in the second step, 3-[ethyoxyl (methyl) phosphonyl] propionate is subjected to a hydrosilylation reaction in an oriented mode, and 3-triethyl siloxy-3-ethyoxyl propyl methyl ethyl phosphonate is generated; and 3, carrying out a simple dilute acid hydrolysis reaction to obtain the 3-(methyl hydroxyl phosphonyl) propionaldehyde. According to the method, a three-step reaction route of addition-hydrosilylation-hydrolysis is adopted, and the acrylic acid is used for replacing the traditional high-toxicity raw material acrolein, so that the toxicity risk is avoided from the source, the yield of the target glufosinate-ammonium intermediate is remarkably improved, the total yield of the three-step reaction can reach 95% or above, and the method is suitable for industrial production. And an efficient and green brand-new technical scheme is provided for large-scale production of glufosinate-ammonium.

The present invention provides, for example, a laminate which comprises a support substrate, a semiconductor substrate or an electronic device substrate, and an adhesive layer that is provided between the semiconductor substrate or the electronic device substrate and the support substrate, and with which it is possible to control the separation interface when a semiconductor wafer is separated from the support substrate.　This laminate comprises a support substrate, a semiconductor substrate or an electronic device substrate, and an adhesive layer that is provided between the semiconductor substrate or the electronic device substrate and the support substrate, wherein: a primer film is formed on a substrate surface of one of the semiconductor substrate, the electronic device substrate, and the support substrate; and the primer film is formed of a composition for forming a primer film for enhancing the adhesion between a substrate and an adhesive layer that is formed of an adhesive composition which contains an adhesive component that is cured by a hydrosilylation reaction, the composition for forming a primer film containing a component that contributes to the hydrosilylation reaction.

The invention belongs to the field of catalysts, and particularly provides an MOF modified metal catalyst and a preparation method and application thereof.The preparation method of the MOF modified metal catalyst comprises the following steps that S1, a platinum catalyst and a phenyl-containing organosilicon compound react to obtain a metal catalyst precursor; s2, an imidazole compound and zinc salt are subjected to a reaction, and MOF is obtained; and S3, mixing the metal catalyst precursor with the MOF, and carrying out loading treatment to obtain the MOF modified metal catalyst, the MOF modified metal catalyst is prepared by adopting the preparation method, and the MOF modified metal catalyst is applied as a hydrosilylation reaction catalyst. The MOF modified metal catalyst still keeps the catalytic activity of more than or equal to 90% in an alkaline system with the pH value of 8-10, so that the reaction rate of hydrosilylation reaction is increased, the reaction temperature can be reduced, and the generation of byproducts caused by high-temperature long-time reaction is effectively inhibited.