Abstract: Provided are a rubber composition for tires which achieves both abrasion resistance and processability while maintaining fuel economy, and a pneumatic tire including the rubber composition. A rubber composition for tires, containing an organosilicon compound represented by the average compositional formula (I) below having a ratio of the number of sulfur atoms to the number of silicon atoms of 1.0 to 1.5, wherein x represents the average number of sulfur atoms; m represents an integer of 6 to 12; and R1 to R6 are the same or different and each represent a C1-C6 alkyl or alkoxy group, at least one of R1 to R3 and at least one of R4 to R6 are the alkoxy groups, and two or more of the alkyl or alkoxy groups for R1 to R6 may be joined to form a ring.

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: A silane-modified copolymer comprising constituent units of butadiene, constituent units having a hydrolyzable silyl group, and constituent units having acid anhydride functionality is low volatile because of its molecular weight. It may be synthesized from relatively inexpensive reactants.

Abstract: Provided are: an organopolysiloxane capable of achieving intended low fuel consumption properties and significantly reducing hysteresis loss in the cured product of a rubber composition during tire production; a rubber compounding agent comprising said organopolysiloxane; a rubber composition obtained by blending said rubber compounding agent; and a tire formed using said rubber composition. The organopolysiloxane, which is represented by average compositional formula (1), is characterized in: containing an organic group with a sulfide group; and the sulfide equivalents being 1,000 g/mol or less. (A)a(B)b(C)c(R1)dSiO(4-2a-b-c-d)/2 ??(1) (In the formula, A is a sulfide group-containing divalent organic group, B is a C5 to C10 monovalent hydrocarbon group, C is a hydrolyzable group and/or a hydroxyl group, R1 is a C1 to C4 monovalent hydrocarbon group, and for a, b, c and d, 0<2a<1, 0<b<1, 0<c<3, 0?d<2, and 0<2a+b+c+d<4.

Abstract: Provided is a room temperature-curable organopolysiloxane composition capable of yielding, through curing, a silicone rubber cured product exhibiting a favorable adhesiveness and water-immersion adhesiveness to general purpose resins and metals. The composition contains (A) a diorganopolysiloxane having silicon atom-bonded hydroxyl groups and/or hydrolyzable groups at both terminals of a molecular chain, and exhibiting a viscosity of 20 to 1,000,000 mPa·s at 25° C.

Abstract: An anticorrosion agent comprising (A) an organosilicon compound of formula (1) R1—Si—(OR2)3??(1) and (B) an amine compound of formula (2) and/or an amine compound of formula (3) is applied to steel-reinforced concrete to prevent corrosion of the steel reinforcement.

Abstract: An organosilicon compound represented by general formula (1). The present invention is able to provide an organosilicon compound which has excellent adhesion during processing and high bonding strength, while exhibiting antirust corrosion resistance at high levels, and which is useful as a metal surface treatment agent. (In the formula, R represents a hydrolyzable group; R? represents an alkyl group; A represents an alkylene group; R1 and R2, R2 and R3, or R3 and R4 among the R1, R2, R3 and R4 moieties may combine together to form an aliphatic or aromatic ring skeleton, and in cases where a ring skeleton is not formed, each one of the R1, R2, R3 and R4 moieties independently represents a hydrogen atom or an alkyl group; and m represents a number of 1-3.

Abstract: A urethane adhesive composition including (A) a urethane prepolymer having an active isocyanate group and (B) an organosilicon compound represented by the following formula (1): wherein R1 represents an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 10 carbon atoms, R2 represents an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 10 carbon atoms, R3 represents hydrogen, an aryl group having 6 to 10 carbon atoms, or t-butyl group, letter n is an integer of 1 to 3, and letter m is an integer of 1 to 12. The urethane adhesive composition of the present invention is formulated with an organosilicon compound having a hydrolyzable silyl group and a benzylideneamine structure in the molecule, thus enabling high storage stability and high adhesion to be developed.

Abstract: A powder coating composition comprising a specific organosilicon compound forms a coating which exhibits satisfactory water-loading resistant performance.

Abstract: An organosilicon compound having a hydrolyzable silyl group and a catechol group in the molecule is novel. When modified by surface treatment with an adhesive composition comprising the organosilicon compound, various inorganic materials such as glass and metals become tightly adherent to epoxy and other resins.

Abstract: An anticorrosion agent comprising (A) an organosilicon compound of formula (1) and (B) an amine compound of formula (2) and/or an amine compound of formula (3) is applied to steel-reinforced concrete to prevent corrosion of the steel reinforcement.

Abstract: An organosilicon compound having a hydrolyzable silyl group and a catechol group in the molecule is novel. When modified by surface treatment with an adhesive composition comprising the organosilicon compound, various inorganic materials such as glass and metals become tightly adherent to epoxy and other resins.

Abstract: A coating composition comprising a hydrolyzable silyl-containing (meth)acrylic copolymer which is obtained from copolymerization of an alkyl (meth)acrylate with a silane compound having a long-chain alkylene linker between a hydrolyzable functional group and a radically polymerizable unsaturated group, and an organometallic catalyst is low-temperature curable and isocyanate-free. Even though the silane content is increased for coating hardness, the composition maintains alkali resistance and has good adhesion and solvent resistance when applied onto substrates.

Abstract: An organosilicon compound having a hydrolyzable silyl group and a catechol group in the molecule is novel. When modified by surface treatment with an adhesive composition comprising the organosilicon compound, various inorganic materials such as glass and metals become tightly adherent to epoxy and other resins.

Abstract: Mercapto-containing organosilicon compounds of specific structure are low volatile and serve to enhance the adhesion of resins to inorganic substrates.

Abstract: A sulfur-containing organosilicon compound having a hydrolyzable silyl group, sulfide group and amide group is shelf stable and useful as a rubber compounding ingredient. When compounded in a rubber composition, the organosilicon compound is effective for significantly reducing the hysteresis loss and improving the abrasion resistance of the rubber composition.

Abstract: Mercapto-containing organosilicon compounds of specific structure are low volatile and serve to enhance the adhesion of resins to inorganic substrates.

Abstract: Organopolysiloxanes containing a sulfide-containing organic group, a long-chain alkyl group, and a hydrolyzable group are novel. The organopolysiloxanes are effective for improving the shelf stability of epoxy resin compositions.

Abstract: An organosilicon compound having a hydrolyzable silyl group and a catechol group in the molecule is novel. When modified by surface treatment with an adhesive composition comprising the organosilicon compound, various inorganic materials such as glass and metals become tightly adherent to epoxy and other resins.

Abstract: Mercapto-containing organosilicon compounds of specific structure are low volatile and serve to enhance the adhesion of resins to inorganic substrates.