摘要:
A silicone composition and process are used to form a non-sewn seam in an airbag for use in vehicle applications. The airbag has a seam made from a silicone material prepared from the silicone composition. The silicone material and the process for forming the airbag seam minimize the need for sewn seams.
摘要:
A pressure sensitive adhesive composition which contains a mixture of a silicate resin, a polyorganosiloxane fluid, and a polyisobutylene polymer having at least one functionalized silicon containing moiety. One advantage of the present invention is that it provides a silicone pressure sensitive adhesive composition that has a reduced propensity for cold flow relative to many current silicone pressure sensitive adhesives.
摘要:
Air bags which are used for safety purposes to protect occupants of vehicles such as automobiles are described together with a process for coating air bags and air bag fabrics with silicone rubber compositions. In particular the invention relates to silicone rubber coatings which cure by hydrosilylation and an air bag coated with an elastomeric coating which is the cured product of a silicone composition comprising an organopolysiloxane (A) having aliphatically unsaturated hydrocarbon or hydrocarbonoxy substituents, an organosilicon crosslinker having at least 3 silicon-bonded hydrogen atoms, a catalyst able to promote the reaction of the aliphatically unsaturated hydrocarbon or hydrocarbonoxy substituents with Si—H groups and a reinforcing filler, wherein the organopolysiloxane (A) comprises a branched organopolysiloxane (A1) consisting of: (i) one or more Q units of the formula (SiO4/2) and (ii) from 15 to 8000 D units of the formula Rb2SiO2/2 which units (i) and (ii) may be inter-linked in any appropriate combination, and (i{umlaut over (υ)}) M units of the formula RaRb2SiO1/2 wherein each Ra substituent is selected from the group consisting of an alkyl group having from 1 to 6 carbon atoms, an alkenyl group having from 1 to 6 carbon atoms and an alkynyl group having from 1 to 6 carbon atoms, at least three Ra substituents in the branched siloxane being alkenyl or alkynyl units, and each Rb substituent is selected from the group consisting of an alkyl group having from 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aryl group, an alkoxy group, an acrylate group and a methacrylate group.
摘要翻译:用于安全目的来保护诸如汽车的车辆的乘客的气囊与用硅橡胶组合物涂覆气囊和气囊织物的方法一起描述。 特别地,本发明涉及通过氢化硅烷化固化的硅橡胶涂层和涂覆有弹性体涂层的气囊,其是包含具有脂族不饱和烃或烃氧基取代基的有机聚硅氧烷(A)的有机硅组合物的固化产物,有机硅交联剂具有 至少3个硅键合的氢原子,能够促进脂族不饱和烃或烃氧基取代基与Si-H基团和增强填料反应的催化剂,其中有机聚硅氧烷(A)包含支化有机聚硅氧烷(A1) i)一个或多个式(SiO 4/2)的Q单元和(ii)式R b 2 SiO 2/2的15至8000D单元,其中单元(i)和(ii)可以任何适当的组合相互连接, 和(i(umlaut over(υ)})式R a R b 2 SiO 1/2的M单元,其中每个R a取代基选自具有1至6个碳的烷基 具有1至6个碳原子的烯基和具有1至6个碳原子的炔基,至少3个支链硅氧烷中的Ra取代基为烯基或炔基单元,并且每个Rb取代基选自 具有1至6个碳原子的烷基,具有2至6个碳原子的烯基,芳基,烷氧基,丙烯酸酯基和甲基丙烯酸酯基。
摘要:
A curable coating composition that exhibits improved cure and adhesion to various substrates, especially synthetic textiles used in the manufacture of air bags, comprises a composition curable by a hydrosilylation reaction, an acryloxy functional alkoxysilane or a methacryloxy functional alkoxysilane, an alkenyl functional silanol terminated organopolysiloxane, and an epoxy functional alkoxysilane. The curable coating composition is especially useful for application to synthetic textiles such as automotive air bags.
摘要:
Air bags which are used for safety purposes to protect occupants of vehicles such as automobiles are described together with a process for coating air bags and air bag fabrics with silicone rubber compositions. In particular the invention relates to silicone rubber coatings which cure by hydrosilylation and an air bag coated with an elastomeric coating which is the cured product of a silicone composition comprising an organopolysiloxane (A) having aliphatically unsaturated hydrocarbon or hydrocarbonoxy substituents, an organosilicon crosslinker having at least 3 silicon-bonded hydrogen atoms, a catalyst able to promote the reaction of the aliphatically unsaturated hydrocarbon or hydrocarbonoxy substituents with Si—H groups and a reinforcing filler, wherein the organopolysiloxane (A) comprises a branched organopolysiloxane (A1) consisting of: (i) one or more Q units of the formula (SiO4/2) and (ii) from 15 to 8000 D units of the formula Rb2SiO2/2 which units (i) and (ii) may be inter-linked in any appropriate combination, and (i{umlaut over (υ)}) M units of the formula RaRb2SiO1/2 wherein each Ra substituent is selected from the group consisting of an alkyl group having from 1 to 6 carbon atoms, an alkenyl group having from 1 to 6 carbon atoms and an alkynyl group having from 1 to 6 carbon atoms, at least three Ra substituents in the branched siloxane being alkenyl or alkynyl units, and each Rb substituent is selected from the group consisting of an alkyl group having from 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aryl group, an alkoxy group, an acrylate group and a methacrylate group.
摘要翻译:用于安全目的来保护诸如汽车的车辆的乘客的气囊与用硅橡胶组合物涂覆气囊和气囊织物的方法一起描述。 特别地,本发明涉及通过氢化硅烷化固化的硅橡胶涂层和涂覆有弹性体涂层的气囊,其是包含具有脂族不饱和烃或烃氧基取代基的有机聚硅氧烷(A)的有机硅组合物的固化产物,有机硅交联剂具有 至少3个硅键合的氢原子,能够促进脂族不饱和烃或烃氧基取代基与Si-H基团和增强填料反应的催化剂,其中有机聚硅氧烷(A)包含支化有机聚硅氧烷(A1) i)一个或多个式(SiO 4/2)的Q单元和(ii)式R b 2 SiO 2/2的15至8000D单元,其中单元(i)和(ii)可以任何适当的组合相互连接, 和(i(umlaut over(υ)})式R a R b 2 SiO 1/2的M单元,其中每个R a取代基选自具有1至6个碳的烷基 具有1至6个碳原子的烯基和具有1至6个碳原子的炔基,至少3个支链硅氧烷中的Ra取代基为烯基或炔基单元,并且每个Rb取代基选自 具有1至6个碳原子的烷基,具有2至6个碳原子的烯基,芳基,烷氧基,丙烯酸酯基和甲基丙烯酸酯基。
摘要:
The instant invention pertains to a hot-melt pressure sensitive adhesive composition wherein the composition is comprised of a silicone pressure sensitive adhesive selected from the group consisting of a mixture of (i) a silicone resin and (ii) a silicone fluid and a condensed product of (i) and (ii); the silicone pressure sensitive adhesive exhibiting tackiness and adhesiveness; the silicone pressure sensitive adhesive being blended with (iii) from about 1 to 20 weight percent, based on the total weight of (i) and (ii), of a siloxylated polyether wax. The instant invention also encompasses method of using the composition, methods of making hot-melt silicone pressure sensitive adhesive-coated substrates, and devices made using the composition.
摘要:
A curable coating composition that exhibits improved cure and adhesion to various substrates, especially synthetic textiles used in the manufacture of air bags, comprises a composition curable by a hydrosilylation reaction, an acryloxy functional alkoxysilane or a methacryloxy functional alkoxysilane, an alkenyl functional silanol terminated organopolysiloxane, and an epoxy functional alkoxysilane. The curable coating composition is especially useful for application to synthetic textiles such as automotive air bags.
摘要:
Silicone rubber compositions for coating air bags, used for safety purposes to protect occupants of vehicles such as automobiles are described together with air bag fabrics coated with the composition and to air bags made from the coated fabric. The compositions are silicone rubber coating compositions which cure by hydrosilylation comprising an organopolysiloxane (A) having aliphatically unsaturated hydrocarbon or hydrocarbonoxy substituents, an organosilicon crosslinker having at least 3 silicon-bonded hydrogen atoms, a catalyst able to promote the reaction of the aliphatically unsaturated hydrocarbon or hydrocarbonoxy substituents with Si—H groups and a silica reinforcing filler, wherein the silica filler is pre-treated with 2% to 60% by weight based on the weight of the silica filler of an oligomeric organopolysiloxane containing Si-bonded methyl and vinyl groups and silanol end groups.
摘要:
A curable coating composition that exhibits improved cure and adhesion to various substrates, especially synthetic textiles used in the manufacture of air bags, comprises a composition curable by a hydrosilylation reaction, and includes a silicone resin, a hydrosilylation reaction inhibitor; and an adhesion promoting additive which comprises (i) an acryloxy functional alkoxysilane or a methacryloxy functional alkoxysilane, (ii) an alkenylsilanol, (iii) an organotitanium compound, (iv) a metal chelate compound, and (v) an epoxy functional alkoxysilane. A filler and a cyclic alkenyl group bearing polysiloxane can also be included in the curable coating composition. The curable coating composition is especially useful for application to synthetic textiles such as automotive air bags.