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    • 2. 发明授权
    • Cable semiconductive shield compositions
    • 电缆半导体屏蔽组合物
    • US06706791B2
    • 2004-03-16
    • US09825039
    • 2001-04-03
    • Kiroku TsukadaAriyoshi OhkiKoji Ishihara
    • Kiroku TsukadaAriyoshi OhkiKoji Ishihara
    • C08K304
    • C08K5/1345C08K5/14C08L23/08C08L23/0815C08L23/0853C08L23/0869C08L23/10C08L2203/202C08L2205/02C08L2666/04
    • A composition comprising: (a) one or more copolymers selected from the group consisting of (I) a copolymer of ethylene and vinyl acetate containing about 10 to about 50 percent by weight vinyl acetate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes; (II) a copolymer of ethylene and ethyl acrylate containing about 10 to about 50 percent by weight ethyl acrylate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes; and (III) a copolymer of ethylene and butyl acrylate containing about 10 to about 50 percent by weight butyl acrylate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes, and based upon 100 parts by weight of component (a): (b) about 55 to about 200 parts by weight of a linear copolymer of ethylene and an alpha-olefin having 3 to 12 carbon atoms, the copolymer having a melt mass flow rate of about 0.1 to about 30 grams per 10 minutes and a density of 0.870 to 0.944 gram per cubic centimeter; (c) about 5 to about 50 parts by weight of polypropylene having a melt mass flow rate of about 0.5 to about 30 grams per 10 minutes and a density of 0.900 to 0.920 gram per cubic centimeter; (d) about 2 to about 50 parts by weight of an organopolysiloxane having the following formula: R1xR2ySiO(4−a−b)/2 wherein R1 is an aliphatic unsaturated hydrocarbon group; R2 is an unsubstituted or substituted monovalent hydrocarbon group excluding aliphatic unsaturated hydrocarbon groups; x is equal to or greater than 0 but less than 1; y is greater than 0.5 but less than 3; x+y is greater than 1 but less than 3; a is greater than 0 but equal to or less than 1; and b is equal to or greater than 0.5 but equal to or less than 3; (e) about 10 to about 350 parts by weight of carbon black; and (f) optionally, up to about 2 parts by weight of an organic peroxide.
    • 一种组合物,其包含:(a)一种或多种选自(I)乙烯和乙酸乙烯酯的共聚物的共聚物,其含有约10至约50重量%的乙酸乙烯酯,并且具有约1至约 每10分钟100克; (II)乙烯和丙烯酸乙酯的共聚物,其含有约10至约50重量%的丙烯酸乙酯,熔体质量流速为约1至约100克/ 10分钟; 和(III)乙烯和丙烯酸丁酯的共聚物,其含有约10至约50重量%的丙烯酸丁酯并且具有约1至约100克/ 10分钟的熔体质量流动速率,并且基于100重量份组分( a)(b)约55至约200重量份的乙烯和具有3至12个碳原子的α-烯烃的线性共聚物,所述共聚物的熔体质量流动速率为约0.1至约30克/ 10分钟 密度为0.870至0.944克/立方厘米;(c)约5至约50重量份的熔体质量流速为约0.5至约30克/ 10分钟,密度为0.900至0.920克/ 立方厘米;(d)约2至约50重量份具有下式的有机聚硅氧烷:R 1 xR 2 y SiO(4-ab)/ 2,其中R 1是脂族不饱和烃基; R 2是除脂族不饱和烃基之外的未取代或取代的一价烃基; x等于或大于0但小于1; y大于0.5但小于3; x + y大于1但小于3; a大于0但等于或小于1; 和b等于或大于0.5但等于或小于3;(e)约10至约350重量份的炭黑; 和(f)任选地,至多约2重量份的有机过氧化物。
    • 4. 发明授权
    • Cable semiconductive shield compositions
    • 电缆半导体屏蔽组合物
    • US06525119B2
    • 2003-02-25
    • US09824926
    • 2001-04-03
    • Kiroku TsukadaAriyoshi OhkiKoji Ishihara
    • Kiroku TsukadaAriyoshi OhkiKoji Ishihara
    • C08K554
    • H01B1/24C08L23/08C08L23/0815C08L23/0853C08L23/0869C08L2203/202C08L2666/04C08L83/00
    • A composition comprising: (a) one or more copolymers selected from the group consisting of (I) a copolymer of ethylene and vinyl acetate containing about 10 to about 50 percent by weight of units of vinyl acetate; (II) a copolymer of ethylene and ethyl acrylate containing about 10 to about 50 percent by weight of units of ethyl acrylate; and (III) a copolymer of ethylene and butyl acrylate containing about 10 to about 50 percent by weight of units of butyl acrylate; (b) about 55 to about 200 parts by weight, based upon 100 parts by weight of component (a), of a linear copolymer of ethylene and an alpha-olefin having 3 to 12 carbon atoms, and a density of 0.870 to 0.944 grama per cubic centimeter; (c) about 1 to about 50 parts by weight, based upon 100 parts by weight of component (a), of an organopolysiloxane; (d) about 10 to about 350 parts by weight, based upon 100 parts by weight of component (a), of carbon black; and (e) from 0 to about 2 parts by weight of an organic peroxide, the composition effective for being cross-linked, without a catalyst, with water to provide a cross linked composition.
    • 一种组合物,其包含:(a)一种或多种选自(I)乙烯和乙酸乙烯酯的共聚物的共聚物,其含有约10至约50重量%的乙酸乙烯酯单元; (II)乙烯和丙烯酸乙酯的共聚物,其含有约10至约50重量%的丙烯酸乙酯单元; 和(III)乙烯和丙烯酸丁酯的共聚物,其含有约10至约50重量%的丙烯酸丁酯单元;(b)约55至约200重量份,基于100重量份组分(a), 的乙烯和具有3至12个碳原子的α-烯烃的线型共聚物,密度为每立方厘米0.870至0.944克拉玛;(c)约1至约50重量份,基于100重量份的组分 (a)的有机聚硅氧烷;(d)基于100重量份的组分(a),约10至约350重量份的炭黑; 和(e)0至约2重量份的有机过氧化物,所述组合物有效地与无交联催化剂与水交联以提供交联组合物。