Abstract: Provided is a flame-resistant airbag having a low rate of combustion. The flame-resistant airbag is obtained by forming, on a cloth substrate, a cured film of a composition containing: (A) 100 parts by mass of a liquid organopolysiloxane containing an alkenyl group bonded to a silicon atom; (B) 5 to 100 parts by mass of a three-dimensional network-structured organopolysiloxane resin in which 0.05 to 0.15 mol/100 g alkenyl groups are bonded only to D units, the ratio of M units to T and/or Q units is 0.65 to 1.40, and hydroxyl group content is 0.040 mol/100 g or less; (C) 0.1 to 50 parts by mass micropulverized silica having a specific surface area of at least 50 m2/g; (D) an organohydrogen polysiloxane comprising a hydrogen atom bonded to a silicon atom, in an amount such that the number of hydrogen atoms bonded to silicon atoms in component (D) is 1 to 10 per total 1 alkenyl group bonded to a silicon atom in components (A) and (B); (E) an effective amount of a platinum group metal catalyst; and (F) 0.

Abstract: The purpose of the present invention is to provide an addition-curable silicone rubber composition which gives a cured product having a controlled oil-bleeding property and releasability from a mold, without increasing an amount of a bleeding oil to be added. Thus, the present invention provides an addition-curable silicone rubber composition comprising the following components (A) to (D): (A) 100 parts by mass of an organopolysiloxane having at least two alkenyl groups each bonded to a silicon atom, (B) 0.

Abstract: An addition-curable silicone rubber composition and an air bag are provided. The addition-curable silicone rubber composition is characterized by comprising: (A) 100 parts by mass of an alkenyl-group-containing organopolysiloxane; (B) an organohydrogenpolysiloxane, contained in such an amount that the number of moles of silicon-atom-bonded hydrogen atoms contained in (B) component is 5 or greater per mole of the alkenyl groups contained in (A) component; (C) an addition reaction catalyst, contained in an amount of 1-500 ppm, in terms of the mass of the catalyst metal element, of the total mass of (A) and (B) components; (D) 0.1-50 parts by mass of finely powdery silica; (E) 0.1-5.0 parts by mass of an adhesion improver [a mixture comprising (E-1) an organohydrogenpolysiloxane, (E-2) an alkoxysilyl-modified isocyanurate compound, and (E-3) an organosilicon compound]; and (F) 0.1-5.0 parts by mass of a condensation catalyst.

Abstract: The purpose of the present invention is to provide an addition-curable silicone rubber composition which gives a cured product having a controlled oil-bleeding property and releasability from a mold, without increasing an amount of a bleeding oil to be added. Thus, the present invention provides an addition-curable silicone rubber composition comprising the following components (A) to (D): (A) 100 parts by mass of an organopolysiloxane having at least two alkenyl groups each bonded to a silicon atom, (B) 0.

Abstract: An addition-curable silicone rubber composition which contains: 100 parts by weight of (A) an organopolysiloxane that is represented by average composition formula (1) R1aSiO(4?a)/2 (wherein R1 represent monovalent hydrocarbon groups that are the same as or different from each other, and a represents a positive number of 1.5-2.8) and has at least two alkenyl groups, each of which is bonded to a silicon atom, in each molecule; 0.3-20 parts by weight of (B) an organohydrogen polysiloxane that has at least two hydrogen atoms (SiH functional groups), each of which is bonded to a silicon atom, in each molecule; 5-80 parts by weight of (C) a reinforcing silica; and (D) an addition reaction catalyst, which is configured of a platinum group metal, in an amount of 0.5-1,000 ppm relative to the total weight of the components (A) and (B).

Abstract: Provided is an addition-curable silicone rubber composition that contains (A) an alkenyl group-containing organopolysiloxane, (B) an organohydrogenpolysiloxane, (C) a platinum catalyst and (D) a reinforcement filler material surface treated with a benzotriazole derivative represented by formula (I) (in the formula, R1 is a hydrogen atom or a monovalent hydrocarbon group and R2 is a monovalent organic group) and that is capable of lowering the compression set of a cured article and suppressing changes in hardness after heat degradation characteristic testing while suppressing reduced curability. Also provided are a cured article thereof and a manufacturing method for the addition-curable silicone rubber composition.

Abstract: Provided is an addition-curable silicone rubber composition for airbags. An addition-curable silicone rubber composition which contains: 100 parts by mass of (A) an organopolysiloxane that contains two or more alkenyl groups in each molecule; (B) a cyclic organohydrogenpolysiloxane represented by formula (1), wherein the polysiloxane content is 50 mol % or more relative to the total amount of the component (B) when m=2; (C) an organohydrogenpolysiloxane represented by formula (2), R2eHfSiO(4-e-f)/2??(2) which contains two or more silicon atom-bonded hydrogen atoms in each molecule, in such an amount that the number of silicon atom-bonded hydrogen atoms in the components (B) and (C) is 1 to 7 per one silicon atom-bonded alkenyl group in the component (A) and the number of silicon atom-bonded hydrogen atoms in the component (B) is 1-30% of the number of silicon atom-bonded hydrogen atoms in the components (B) and (C); 0.

Abstract: An object of the present invention is to provide an addition-curable silicone composition which provides silicone rubber which has the excellent flame retardancy and is excellent in storage stability so that thickening due to dehydrogenation does not occur over time. The present invention provides an addition-curable silicone composition comprising the following components (A) to (E): (A) 100 parts by mass of an organopolysiloxane having two or more alkenyl groups each bonded to a silicon atom and being liquid at 25 degrees C.

Abstract: An addition-curable silicone rubber composition and an air bag are provided. The addition-curable silicone rubber composition is characterized by comprising: (A) 100 parts by mass of an alkenyl-group-containing organopolysiloxane; (B) an organohydrogenpolysiloxane, contained in such an amount that the number of moles of silicon-atom-bonded hydrogen atoms contained in (B) component is 5 or greater per mole of the alkenyl groups contained in (A) component; (C) an addition reaction catalyst, contained in an amount of 1-500 ppm, in terms of the mass of the catalyst metal element, of the total mass of (A) and (B) components; (D) 0.1-50 parts by mass of finely powdery silica; (E) 0.1-5.0 parts by mass of an adhesion improver [a mixture comprising (E-1) an organohydrogenpolysiloxane, (E-2) an alkoxysilyl-modified isocyanurate compound, and (E-3) an organosilicon compound]; and (F) 0.1-5.0 parts by mass of a condensation catalyst.

Abstract: Provided is a flame-resistant airbag having a low rate of combustion. The flame-resistant airbag is obtained by forming, on a cloth substrate, a cured film of a composition containing: (A) 100 parts by mass of a liquid organopolysiloxane containing an alkenyl group bonded to a silicon atom; (B) 5 to 100 parts by mass of a three-dimensional network-structured organopolysiloxane resin in which 0.05 to 0.15 mol/100 g alkenyl groups are bonded only to D units, the ratio of M units to T and/or Q units is 0.65 to 1.40, and hydroxyl group content is 0.040 mol/100 g or less; (C) 0.1 to 50 parts by mass micropulverized silica having a specific surface area of at least 50 m2/g; (D) an organohydrogen polysiloxane comprising a hydrogen atom bonded to a silicon atom, in an amount such that the number of hydrogen atoms bonded to silicon atoms in component (D) is 1 to 10 per total 1 alkenyl group bonded to a silicon atom in components (A) and (B); (E) an effective amount of a platinum group metal catalyst; and (F) 0.

Abstract: Provided is an addition-curable silicone rubber composition that contains (A) an alkenyl group-containing organopolysiloxane, (B) an organohydrogenpolysiloxane, (C) a platinum catalyst and (D) a reinforcement filler material surface treated with a benzotriazole derivative represented by formula (I) (in the formula, R1 is a hydrogen atom or a monovalent hydrocarbon group and R2 is a monovalent organic group) and that is capable of lowering the compression set of a cured article and suppressing changes in hardness after heat degradation characteristic testing while suppressing reduced curability. Also provided are a cured article thereof and a manufacturing method for the addition-curable silicone rubber composition.

Abstract: An addition-curable silicone rubber composition which contains: 100 parts by weight of (A) an organopolysiloxane that is represented by average composition formula (1) R1aSiO(4-a)/2 (wherein R1 represent monovalent hydrocarbon groups that are the same as or different from each other, and a represents a positive number of 1.5-2.8) and has at least two alkenyl groups, each of which is bonded to a silicon atom, in each molecule; 0.3-20 parts by weight of (B) an organohydrogen polysiloxane that has at least two hydrogen atoms (SiH functional groups), each of which is bonded to a silicon atom, in each molecule; 5-80 parts by weight of (C) a reinforcing silica; and (D) an addition reaction catalyst, which is configured of a platinum group metal, in an amount of 0.5-1,000 ppm relative to the total weight of the components (A) and (B).

Abstract: A method for producing an air bag base fabric which has a silicone rubber coating layer on at least one surface of a substrate is provided. The silicone rubber coating layer is prepared by curing a liquid silicone rubber coating composition having the low viscosity required in the coating and excellent adhesion to the air bag base fabric. An air bag base fabric produced by this method is also provided. In this method, an air bag base fabric is produced by preliminarily treating at least one surface of the textile fabric with an organosilicon compound containing an epoxy group and an alkoxy group bonded to a silicon atom in one molecule to prepare a substrate fabric containing about 0.01 to 5 parts by weight of the organosilicon compound, and coating and curing the liquid silicone rubber coating composition of particular formulation on the substrate.

Abstract: A liquid silicone rubber coating composition is provided. The composition comprises (A) an organopolysiloxane having at least 2 alkenyl groups bonded to silicon atoms per molecule; (B) an organohydrogenpolysiloxane having at least 2 hydrogen atoms bonded to silicon atoms per molecule; (C) an addition reaction catalyst; (D) a fine powder silica; (E) an organic compound represented by the following general formula (1): wherein R1 is a monovalent hydrocarbon group and n is an integer of 2 to 10; (F) an organosilicon compound having an epoxy group and an alkoxy group bonded to a silicon atom in the molecule; and (G) either one or both of a titanium compounds and a zirconium compounds. When used for the silicone rubber coating layer on air bag base fabric, excellent low burning speed defined by FMVSS-302 is realized and the cured coating layer exhibits low surface tackiness with high anti-blocking property.

Abstract: A liquid silicone rubber coating composition exhibiting high adhesion for an airbag base fabric; a curtain airbag having a silicone rubber coating layer of the cured composition formed on at least one surface of the base fabric; and a method for producing such curtain airbag are provided. The composition comprises (A) an organopolysiloxane having at least 2 alkenyl groups bonded to the silicon atoms per molecule; (B) an organohydrogenpolysiloxane having at least 2 structural units represented by formula (1) per molecule, the structural units being linked by a non-siloxane structural unit not containing SiH group; (C) an addition catalyst; (E) an organosilicon compound having an epoxy group and an alkoxy group bonded to the silicon atom in the molecule; and (F) a titanium compound and/or a zirconium compound; and preferably (D) a fine powder silica having a specific surface area of at least 50 m2/g.

Abstract: A method for producing an air bag base fabric which has a silicone rubber coating layer on at least one surface of a substrate is provided. The silicone rubber coating layer is prepared by curing a liquid silicone rubber coating composition having the low viscosity required in the coating and excellent adhesion to the air bag base fabric. An air bag base fabric produced by this method is also provided. In this method, an air bag base fabric is produced by preliminarily treating at least one surface of the textile fabric with an organosilicon compound containing an epoxy group and an alkoxy group bonded to a silicon atom in one molecule to prepare a substrate fabric containing about 0.01 to 5 parts by weight of the organosilicon compound, and coating and curing the liquid silicone rubber coating composition of particular formulation on the substrate.

Abstract: Provided is a liquid silicone rubber coating composition with a viscosity at 25° C. of 10,000 to 100,000 mPa·s, comprising: (A) (A-1) a substantially straight chain organopolysiloxane containing alkenyl groups only at both molecular chain terminals, and (A-2) a substantially straight chain organopolysiloxane containing an average of at least two alkenyl groups, only at non-terminal molecular chain positions, within each molecule, (B) an organohydrogenpolysiloxane containing an average of at least two hydrogen atoms bonded to silicon atoms within each molecule, (C) an addition reaction catalyst, and (D) an adhesion improver, as well as an air bag with a rubber coating layer comprising a cured product of such a composition. Also provided is an air bag with a rubber coating layer comprising a cured product of such a composition. The liquid silicone rubber coating composition can be used without dissolution in an organic solvent, and displays excellent adhesion to fiber and excellent rubber strength.

Abstract: A liquid silicone rubber coating composition exhibiting high adhesion for an airbag base fabric; a curtain airbag having a silicone rubber coating layer of the cured composition formed on at least one surface of the base fabric; and a method for producing such curtain airbag are provided. The composition comprises (A) an organopolysiloxane having at least 2 alkenyl groups bonded to the silicon atoms per molecule; (B) an organohydrogenpolysiloxane having at least 2 structural units represented by formula (1) per molecule, the structural units being linked by a non-siloxane structural unit not containing SiH group; (C) an addition catalyst; (E) an organosilicon compound having an epoxy group and an alkoxy group bonded to the silicon atom in the molecule; and (F) a titanium compound and/or a zirconium compound; and preferably (D) a fine powder silica having a specific surface area of at least 50 m2/g.

Abstract: Provided is a liquid silicone rubber coating composition, including predetermined quantities of (A) an organopolysiloxane containing 2 or more Si atom-bonded alkenyl groups, (B) an organohydrogenpolysiloxane of a specific structure containing 2 or more SiH groups, (C) an addition reaction catalyst, (D) a finely powdered silica with a specific surface area of at least 50 m2/g, (E) an organosilicon compound containing an epoxy group and a Si atom-bonded alkoxy group, and (F) a titanium compound and/or a zirconium compound. The coating composition exhibits excellent adhesion to an air bag base fabric and, therefore, is useful for producing a curtain air bag having a silicone rubber coating layer including a cured product of such a composition on at least one surface of the base fabric.

Abstract: Provided is a liquid silicone rubber coating agent composition, including: (A) an organopolysiloxane containing at least one alkenyl group bonded to a silicon atom within each molecule, (B) a straight-chain organohydrogenpolysiloxane containing a single silicon atom-bonded hydrogen atom only at each molecular chain terminal, with a viscosity at 25° C. within a range from 0.001 to 1.0 Pa·s, (C) an organohydrogenpolysiloxane containing at least three silicon atom-bonded hydrogen atoms within each molecule, with a viscosity at 25° C. within a range from 0.001 to 10 Pa·s, (D) an addition reaction catalyst, (E) a finely powdered silica with a BET specific surface area of at least 50 m2/g, and (F) an adhesion imparting agent. Also provided is a curtain air bag with a rubber coating layer formed by curing this composition.