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    • 1. 发明授权
    • Curable silicone gel composition
    • 可固化的硅胶组合物
    • US08524848B2
    • 2013-09-03
    • US13157585
    • 2011-06-10
    • Miyuki TanakaKazuyasu SatoTsuyoshi Matsuda
    • Miyuki TanakaKazuyasu SatoTsuyoshi Matsuda
    • C08G77/12
    • C08L83/04C08G77/12C08G77/20C08L83/00
    • A curable silicone gel composition that is of low viscosity, exhibits good fluidity, and generates a silicone gel that exhibits good resistance to external stress and thermal stress. The composition includes (A) a specific organopolysiloxane having at least two alkenyl groups within each molecule, (B) an organohydrogenpolysiloxane having a specific branched main chain structure, containing at least three SiH groups within each molecule, and also containing at least one branch-forming unit within each molecule, and (C) a platinum-based catalyst, wherein the cured product has a penetration value of 10 to 200, and loss coefficient values at 25° C. for shear frequency values of 1 Hz and 10 Hz of 0.1 to 1.0 and 0.3 to 1.5 respectively.
    • 具有低粘度的可固化的硅酮凝胶组合物表现出良好的流动性,并且产生具有良好的抗外应力和热应力的硅凝胶。 该组合物包括(A)在每个分子内具有至少两个烯基的特定有机聚硅氧烷,(B)具有特定支链主链结构的有机氢聚硅氧烷,其在每个分子内含有至少三个SiH基团,并且还包含至少一个支链主链, 在(C)铂类催化剂中,固化产物的渗透值为10-200,对于1Hz和10Hz的剪切频率值为25℃的损耗系数值为0.1 分别为1.0和0.3〜1.5。
    • 2. 发明申请
    • SILICONE GEL COMPOSITION THAT YIELDS CURED PRODUCT HAVING DISPLACEMENT DURABILITY
    • US20090082517A1
    • 2009-03-26
    • US12233781
    • 2008-09-19
    • Miyuki TANAKAKazuyasu SATO
    • Miyuki TANAKAKazuyasu SATO
    • C08L83/05
    • C08L83/04C08G77/12C08G77/20C08L83/00
    • The invention provides a silicone gel composition comprising: (A) an organopolysiloxane represented by an average composition formula (1) shown below: RaR1bSiO(4-a-b)/2  (1) (wherein, R represents an alkenyl group, R1 represents a monovalent hydrocarbon group that contains no aliphatic unsaturated bonds, and a, b and a+b are numbers that satisfy specific numerical ranges), and containing at least one alkenyl group bonded to a silicon atom within each molecule, (B) a component composed of: (B-1) an organohydrogenpolysiloxane represented by an average composition formula (2) shown below: (HR22SiO1/2)c(R32SiO)d(R4SiO3/2)e  (2) (wherein, R2, R3 and R4 represent monovalent hydrocarbon groups that contain no aliphatic unsaturated bonds, and c, d and e are numbers that satisfy specific numerical ranges, provided that c+d+e=1), containing at least three hydrogen atoms bonded to silicon atoms within each molecule, and containing at least two (R4SiO3/2) units within each molecule, and (B-2) an organohydrogenpolysiloxane represented by an average composition formula (3) shown below: R5fHgSiO(4-f-g)/2  (3) (wherein, R5 represents a monovalent hydrocarbon group that contains no aliphatic unsaturated bonds, and f, g and f+g are numbers that satisfy specific numerical ranges), containing either one or two hydrogen atoms bonded to silicon atoms within each molecule, and containing either one or two hydrogen atoms bonded to silicon atoms at molecular chain terminals.
    • 5. 发明申请
    • Silicone gel composition
    • 硅胶组合物
    • US20050250903A1
    • 2005-11-10
    • US11123193
    • 2005-05-06
    • Miyuki TanakaKazuyasu Sato
    • Miyuki TanakaKazuyasu Sato
    • C08L83/04C08L83/07
    • C08L83/04C08G77/12C08G77/20C08L83/00
    • Provided is a silicone gel composition including (A) an organopolysiloxane containing at least one alkenyl group bonded to a silicon atom within each molecule, represented by an average composition formula: RaR1bSiO(4-a-b)/2 (wherein, each R group represents, independently, an alkenyl group, each R1 group represents, independently, an unsubstituted or substituted monovalent hydrocarbon group that contains no aliphatic unsaturated bonds, a represents a positive number from 0.0001 to 0.2, b represents a positive number from 1.7 to 2.2, and a+b represents a number within a range from 1.9 to 2.4), (B) an organohydrogenpolysiloxane containing at least two hydrogen atoms bonded to silicon atoms within each molecule, and (C) a platinum-based catalyst. Also provided is the silicone gel composition stated above, in which a penetration value of a cured product of this composition, as defined in JIS K2220, is within a range from 20 to 200. The silicone gel composition generates a silicone gel cured product which displays a low elastic modulus and low stress, and suffers no oil bleeding over time.
    • 本发明提供一种硅凝胶组合物,其包含(A)含有至少一个与每个分子内的硅原子键合的烯基的有机聚硅氧烷的平均组成式:R a a R 1, (4-ab)/ 2(其中,每个R基团独立地表示烯基,每个R 1基团) 独立地表示不含脂肪族不饱和键的未取代或取代的一价烃基,a表示0.0001〜0.2的正数,b表示1.7〜2.2的正数,a + b表示1.9以内的数 至2.4),(B)含有至少两个与每个分子内的硅原子键合的氢原子的有机氢聚硅氧烷,和(C)铂系催化剂。 还提供了如上所述的硅凝胶组合物,其中根据JIS K2220定义的该组合物的固化产物的渗透值在20至200的范围内。硅凝胶组合物产生硅凝胶固化产物,其显示 低弹性模量和低应力,并且不时出现油污。
    • 6. 发明授权
    • Silicone gel composition
    • 硅胶组合物
    • US07829648B2
    • 2010-11-09
    • US11123193
    • 2005-05-06
    • Miyuki TanakaKazuyasu Sato
    • Miyuki TanakaKazuyasu Sato
    • C08G77/00C08G77/04
    • C08L83/04C08G77/12C08G77/20C08L83/00
    • Provided is a silicone gel composition including (A) an organopolysiloxane containing at least one alkenyl group bonded to a silicon atom within each molecule, represented by an average composition formula: RaR1bSiO(4-a-b)/2 (wherein, each R group represents, independently, an alkenyl group, each R1 group represents, independently, an unsubstituted or substituted monovalent hydrocarbon group that contains no aliphatic unsaturated bonds, a represents a positive number from 0.0001 to 0.2, b represents a positive number from 1.7 to 2.2, and a+b represents a number within a range from 1.9 to 2.4), (B) an organohydrogenpolysiloxane containing at least two hydrogen atoms bonded to silicon atoms within each molecule, and (C) a platinum-based catalyst. Also provided is the silicone gel composition stated above, in which a penetration value of a cured product of this composition, as defined in JIS K2220, is within a range from 20 to 200. The silicone gel composition generates a silicone gel cured product which displays a low elastic modulus and low stress, and suffers no oil bleeding over time.
    • 本发明提供一种硅凝胶组合物,其包含(A)含有至少一个与各分子内的硅原子键合的链烯基的有机聚硅氧烷的平均组成式:RaR1bSiO(4-ab)/ 2(其中,每个R基团表示, 独立地是烯基,每个R 1基团独立地表示不含脂肪族不饱和键的未取代或取代的一价烃基,a表示0.0001〜0.2的正数,b表示1.7〜2.2的正数,a + b表示在1.9〜2.4的范围内的数),(B)含有至少两个分子内与硅原子键合的氢原子的有机氢聚硅氧烷,(C)铂系催化剂。 还提供了如上所述的硅凝胶组合物,其中根据JIS K2220定义的该组合物的固化产物的渗透值在20至200的范围内。硅凝胶组合物产生硅凝胶固化产物,其显示 低弹性模量和低应力,并且不时出现油污。
    • 8. 发明授权
    • Silicone gel composition that yields cured product having displacement durability
    • 产生具有置换耐久性的固化产物的硅胶组合物
    • US07851563B2
    • 2010-12-14
    • US12233781
    • 2008-09-19
    • Miyuki TanakaKazuyasu Sato
    • Miyuki TanakaKazuyasu Sato
    • C08F283/12C08G77/12C08G77/44C08L83/05
    • C08L83/04C08G77/12C08G77/20C08L83/00
    • The invention provides a silicone gel composition comprising: (A) an organopolysiloxane represented by an average composition formula (1) shown below: RaR1bSiO(4-a-b)/2  (1) (wherein, R represents an alkenyl group, R1 represents a monovalent hydrocarbon group that contains no aliphatic unsaturated bonds, and a, b and a+b are numbers that satisfy specific numerical ranges), and containing at least one alkenyl group bonded to a silicon atom within each molecule, (B) a component composed of: (B-1) an organohydrogenpolysiloxane represented by an average composition formula (2) shown below: (HR22SiO1/2)c(R32SiO)d(R4SiO3/2)e  (2) (wherein, R2, R3 and R4 represent monovalent hydrocarbon groups that contain no aliphatic unsaturated bonds, and c, d and e are numbers that satisfy specific numerical ranges, provided that c+d+e=1), containing at least three hydrogen atoms bonded to silicon atoms within each molecule, and containing at least two (R4SiO3/2) units within each molecule, and (B-2) an organohydrogenpolysiloxane represented by an average composition formula (3) shown below: R5fHgSiO(4-f-g)/2  (3) (wherein, R5 represents a monovalent hydrocarbon group that contains no aliphatic unsaturated bonds, and f, g and f+g are numbers that satisfy specific numerical ranges), containing either one or two hydrogen atoms bonded to silicon atoms within each molecule, and containing either one or two hydrogen atoms bonded to silicon atoms at molecular chain terminals.
    • 本发明提供一种硅凝胶组合物,其包含:(A)由下述平均组成式(1)表示的有机聚硅氧烷:RaR1bSiO(4-ab)/ 2(1)(其中,R表示烯基,R1表示一价 不包含脂族不饱和键的烃基,a,b和a + b是满足特定数值范围的数),并且在每个分子内含有至少一个与硅原子键合的链烯基,(B) (B-1)由以下平均组成式(2)表示的有机氢聚硅氧烷:(HR22SiO1 / 2)c(R32SiO)d(R4SiO3 / 2)e(2)(其中,R2,R3和R4表示一价烃基 不包含脂肪族不饱和键,c,d和e是满足特定数值范围的数字,条件是c + d + e = 1),其含有至少三个与每个分子内的硅原子键合的氢原子,并且至少包含 每个分子内有两个(R4SiO3 / 2)单元,(B -2)由以下平均组成式(3)表示的有机氢聚硅氧烷:R5fHgSiO(4-fg)/ 2(3)(其中,R5表示不含脂族不饱和键的一价烃基,f,g和f + g是满足特定数值范围的数字),其含有与每个分子内的硅原子键合的一个或两个氢原子,并且在分子链末端含有一个或两个与硅原子键合的氢原子。