Abstract: A method for producing an ureido group-containing organosilicon compound includes the following steps (I) and (II): (I): a step of obtaining a compound represented by formula (1) by reacting urea and an amino group-containing organosilicon compound represented by formula (3): wherein R1 represents an alkyl group having 1 to 10 carbon atoms or the like, R3 represents a hydrogen atom or the like, Me represents a methyl group, m represents an integer of 1 to 3, and n represents an integer of 1 to 12, wherein R2 represents a hydrogen atom or the like, and R1, Me, m, and n represent the same meaning as described above; and (II): a step of further reacting by supplying the amino group-containing organosilicon compound represented by formula (3) to a mixture containing a compound represented by formula (1) and urea.

Abstract: Room temperature-vulcanizing silane-containing resin compositions are described, containing: (A) 100 parts by mass of a silane-modified polybutadiene compound represented by formula (1) (B) 0.5 to 20 parts by mass of a hydrolyzable organosilane compound having in each molecule an average of at least two silicon atom-bonded hydrolyzable groups, and/or the partial hydrolysis condensate of this hydrolyzable organosilane compound; and (C) 0.1 to 10 parts by mass of a curing catalyst. This room temperature-vulcanizing silane-containing resin composition is suitable for application as a coating agent composition and in particular as, e.g., a coating agent for electrical and electronic components and substrates therefor, and a sealant for liquid crystal display elements. The room temperature-vulcanizing silane-containing resin composition provides a gas permeation-resistant coating film (cured material) and is useful as a coating agent that exhibits a corrosion-inhibiting capability versus corrosive gases.

Abstract: An addition reaction-curable silicone emulsion composition containing a water-soluble silane coupling agent (I) and an organopolysiloxane (II) having at least two alkenyl groups in one molecule thereof, where the water-soluble silane coupling agent (I) has at least one group selected from among a succinic anhydride group, a quaternary ammonium group, and a ureido group, and 1 part by mass or more of the water-soluble silane coupling agent (I) is contained relative to 100 parts by mass of the organopolysiloxane (II). This provides: a silicone emulsion composition that gives a cured film adhering well to plastic film substrates regardless of the type, while having suitable release properties regarding adhesives; and a delamination film made by forming a cured film of the silicone emulsion composition.

Abstract: An organic silicon compound represented by formula (1) makes it possible to significantly lower the hysteresis loss of a cured product when added to a rubber composition and also imparts a rubber composition with which it is possible to realize a desired low-fuel-consumption tire. (In the formula, R1 independently represent a C1-10 alkyl group or C6-10 aryl group, R2 independently represent a C1-10 alkyl group or C6-10 aryl group, f represents a number of 0 or higher, e and g independently represent a number greater than 0, and m represents an integer of 1-3. However, the order of each of the repeating units is arbitrary.

Abstract: An organic silicon compound having a ketimine structure having good storage stability can be obtained by a production method that produces an organic silicon compound having a ketimine structure indicated by formula (1) (R1 and R2 each independently indicating a C1-10 alkyl group or a C6-10 aryl group, R3 and R4 each independently indicating a hydrogen atom, a C1-10 alkyl group, or a C6-10 aryl group, n indicating an integer of 1-3, and m indicating an integer of 1-12). The production method includes a step (I) and a step (II) and has a chlorine atom content relative to the organic silicon compound indicated by formula (1) of less than 0.1 mass ppm. Step (I): A step in which an amino group-containing silicon compound indicated by formula (2) and a carbonyl compound indicated by formula (3) are caused to react. (R1-R4, n, and m are as described above.) Step (II): A step in which the chlorine atom content is reduced.

Abstract: Provided are: a removable radiation-curable silicone composition which has excellent radiation curability and gives cured objects having excellent adhesiveness to the substrates; and a release sheet. The removable radiation-curable silicone composition comprises the following components (A), (B), (C), and (D): (A) 100 parts by mass of an organopolysiloxane having an alkenyl group; (B) 1-30 parts by mass of an organopolysiloxane having a mercaptoalkyl group; (C) 0.1-5 parts by mass of a compound having a plurality of acryl groups in the molecule; and (D) 0.1-15 parts by mass of a radical polymerization initiator.

Abstract: Provided is a polyoxyalkylene group-containing organosilicon compound which contains at least one group represented by structural formula (1) in one molecule and has polyoxyalkylene structure in the main chain. This polyoxyalkylene group-containing organosilicon compound exhibits satisfactorily fast curability and excellent safety even when an amine compound is used as a curing catalyst (In the formula, each R1 independently represents an unsubstituted or substituted C1-10 alkyl group, or an unsubstituted or substituted C6-10 and group, each R2 independently represents an unsubstituted or substituted C1-10 alkyl group, or an unsubstituted or substituted C6-10 aryl group, and each R3 independently represents an unsubstituted or substituted C1-10 alkyl group, or a hydrogen atom, m is a number from 1-3, and n is an integer of 2 or greater. A dashed line represents a bond.

Abstract: This organic silicon compound is characterized by being represented by structural formula (1), and has good reactivity while having a monoalkoxysilyl group. (In the formula, X represents a monovalent to trivalent organic group including a polyoxyalkylene structure, an alkylene group having 1-20 carbon atoms, O, S, N, or the like, R1 and R2 each independently represent an alkyl group or the like having 1-10 carbon atoms, Y represents a single bond, O, S, or the like, A1, A2, A3, A4, and A5 each represent a single bond, or a divalent linking group such as a divalent hydrocarbon group having 1-20 carbon atoms, and n represents a number of 1-3.

Abstract: This polymer having a reactive silicon-containing group is represented by structural formula (1), and has good reactivity while having a monoalkoxysilyl group. (In the formula, X represents a monovalent to trivalent organic group including a main chain backbone including a predetermined polymer such as a polyurethane, a poly(meth)acrylate, or a polysiloxane, R1 and R2 each independently represent an alkyl group or the like having 1-10 carbon atoms, Y represents O, S, or the like, A1 and A2 each represent a single bond, or a divalent linking group such as a divalent hydrocarbon group having 1-20 carbon atoms, and n represents a number of 1-3.

Abstract: A composition according to the present invention contains 100 parts by mass of a component (A) and 1-200 parts by mass of a component (B) and is solid at 25° C., the solid form being achieved at 25° C. without spray drying, impregnation into wax, or the like, and said composition is useful as an additive for a paint composition and an adhesive composition. The component (A) is an organic silicon compound represented by general formula (1), and the component (B) is at least one of organic silicon compounds represented by general formulas (2) and (3) (R1 and R2 represent, independently of each other, an alky group having 1-10 carbon atoms or the like, R3 and R4 represent, independently of each other, a divalent hydrocarbon group having 1-20 carbon atoms, m represents an integer from 1 to 3, R5 represents an alkyl group having 1-10 carbon atoms or the like, and R6 represents a divalent hydrocarbon group having 1-20 carbon atoms; however, an oxygen atom, a sulfur atom, etc.

Abstract: Provided is an organic silicon compound represented by formula (1), which when added to a rubber composition, can improve the wet traction performance of a cured product of the rubber composition, and significantly reduce a hysteresis loss of the cured product, and provides a rubber composition that can be used to implement a desired tire having high fuel efficiency. (In the formula, each R1 independently represents an alkyl group having 1-10 carbon atoms or an aryl group having 6-10 carbon atoms, each R2 independently represents an alkyl group having 1-10 carbon atoms or an aryl group having 6-10 carbon atoms, f represents a number equal to or larger than 0, e, g, and h each independently represent a number equal to or larger than 0, and m represents an integer of 1-3. Note that the repeating units can be present in any order.

Abstract: To provide an organic silicon compound having an average structural formula (1). (Z represents a 2 to 20-valent group containing an organosiloxane structure, each R1 independently represents an alkyl group or an aryl group, each R2 independently represents an alkyl group or an aryl group, each R3 independently represents a hydrogen atom, an alkyl group, an alkoxy group, or an O. (oxy radical), each R4 independently represents a hydrogen atom or an alkyl group, each A1 independently represents a single bond or an alkylene group free of a hetero atom, each A2 independently represents a single bond or a divalent linking group containing a hetero atom, m is a number of 1 to 3, p is a number of 1 to 10, q is a number of 1 to 10, and p+q represents a number satisfying from 2 to 20 corresponding to the valency number of Z.

Abstract: The present invention pertains to a room-temperature-curable organopolysiloxane composition containing (A) an organopolysiloxane having the hydrolyzable silyl-group-containing monovalent organic group represented by formula (1) (R1 represents a substituted or unsubstituted C1-10 alkyl group or a substituted or unsubstituted C6-10 aryl group, R2 represents a substituted or unsubstituted C1-10 alkyl group or a substituted or unsubstituted C6-10 aryl group, and R3 represents a substituted or unsubstituted C1-20 alkyl group or a hydrogen atom; M is an integer from 1 to 3, and n is an integer of 2 or more; and the broken line represents atomic bonding), (B) a hydrolyzable organosilane compound and/or a partially hydrolyzed condensate thereof, (C) a curing catalyst, and (F) a bleed oil.

Abstract: A method for manufacturing an amino group-containing organosilicon compound of the following formula (1): wherein each R1 independently represents an alkyl group having 1 to 10 carbon atoms, etc., each of R2 and R3 represents a functional group of the following formula (4), etc., m represents an integer of 1 to 3, and n represents an integer of 1 to 12, wherein an asterisk * represents a bond with an adjacent atom, p represents an integer of 1 to 12, and q represents an integer of 1 to 10, the method comprising: (A) reacting an amine compound of the following formula (2): wherein R2 and R3 mean the same as above with a halogen group-containing organosilicon compound of the following formula (3): wherein X represents a chlorine atom, etc., and R1 and n mean the same as above; (B) removing an amine hydrohalide produced in the step (A), by liquid-liquid separation; and (C) neutralizing an organic layer obtained in the step (B), using a base which amounts 0.1 to 0.

Abstract: An epoxy resin composition comprising an epoxy resin, a curing agent, (A) a carboxyl-containing benzotriazole derivative, and (B) an alkoxysilyl-containing aminoalkylsilane derivative is suited for encapsulating semiconductor devices. The sum of (A)+(B) is 0.5-5.0 pbw per 100 pbw of the sum of the epoxy resin and the curing agent, and a molar ratio (A)/(B) is 0.5-1.5. The composition is free of sulfur and highly adhesive to metal substrates.

Abstract: This thermally-conductive silicone composition comprises: (A) an organopolysiloxane having two or more alkenyl groups per molecule, and having a kinetic viscosity of 10-100,000 mm2/s at 25° C., (B) a hydrolyzable methyl polysiloxane which is represented by formula (1) (R1 represents an alkyl group, and a is 5-100) and of which one end is trifunctional, (C) a thermally-conductive filler having a thermal conductivity of 10 W/m·° C. or more, (D) an organohydrogen polysiloxane having two or more Si—H groups per molecule, (E) a catalyst selected from the group consisting of platinum and platinum compounds, and (F) a benzotriazole derivative represented by formula (2) (R2 represents H or a monovalent hydrocarbon group, and R3 represents a monovalent organic group). The composition can inhibit the decrease of the curing speed.

Abstract: A silane-modified polymer having a polyisoprene skeleton and a hydrolyzable silyl group is useful as a rubber compounding ingredient. When added to a rubber composition, it is effective for improving the wet grip and substantially reducing the hysteresis loss of the cured rubber composition. Low fuel consumption tires may be manufactured from the rubber composition.

Abstract: Provided is an organic silicon compound represented by formula (1), which when added to a rubber composition, can improve the wet traction performance of a cured product of the rubber composition, and significantly reduce a hysteresis loss of the cured product, and provides a rubber composition that can be used to implement a desired tire having high fuel efficiency. (In the formula, each R1 independently represents an alkyl group having 1-10 carbon atoms or an aryl group having 6-10 carbon atoms, each R2 independently represents an alkyl group having 1-10 carbon atoms or an aryl group having 6-10 carbon atoms, f represents a number equal to or larger than 0, e, g, and h each independently represent a number equal to or larger than 0, and m represents an integer of 1-3. Note that the repeating units can be present in any order.

Abstract: To provide an organic silicon compound having an average structural formula (1). (Z represents a 2 to 20-valent group containing an organosiloxane structure, each R1 independently represents an alkyl group or an aryl group, each R2 independently represents an alkyl group or an aryl group, each R3 independently represents a hydrogen atom, an alkyl group, an alkoxy group, or an O. (oxy radical), each R4 independently represents a hydrogen atom or an alkyl group, each A1 independently represents a single bond or an alkylene group free of a hetero atom, each A2 independently represents a single bond or a divalent linking group containing a hetero atom, m is a number of 1 to 3, p is a number of 1 to 10, q is a number of 1 to 10, and p+q represents a number satisfying from 2 to 20 corresponding to the valency number of Z.

Abstract: A urea group-containing organopolysiloxane represented by the following formula (1), wherein, R1 is —R5—NHCONH2 (R5 is a divalent hydrocarbon group), R2 is any of a hydrogen atom, a hydroxy group, an alkoxy group, an alkyl group, a fluoroalkyl group, an aryl group, and an aralkyl group, R3 is R1 or R2, and R4 is an organopolysiloxane segment represented by the following formula (2), (Q is an oxygen atom or a divalent hydrocarbon group), the urea group-containing organopolysiloxane represented by the formula (1) has one or more R1 in the molecule, when “c” is 0, “a”+“d”+“f”+“h”+“i” is 1 or more. Accordingly, there is provided a urea group-containing organopolysiloxane that can obtain a cosmetic having excellent cosmetic durability while maintaining a light feel and good spreadability, and a method for manufacturing the same, as well as a cosmetic containing the same.