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    • 2. 发明申请
    • Cable Comprising Bedding with Reduced Amount of Volatile Compounds
    • 电缆包含减少挥发性化合物的床上用品
    • US20100300727A1
    • 2010-12-02
    • US12678061
    • 2008-09-11
    • Bernt-Ake SultanWendy LoyensJames Elliott RobinsonSusanna LieberHerbert Baur
    • Bernt-Ake SultanWendy LoyensJames Elliott RobinsonSusanna LieberHerbert Baur
    • H01B7/00C09D123/00H01B3/30H01B7/295
    • H01B3/441
    • The present invention relates to a cable comprising one or more insulated conductors which are embedded in a bedding composition, which comprises a) a polymer resin (A) and b) an inorganic filler (B), wherein the polymer resin (A) comprises an olefin homo- and/or copolymer (A.1) which has a weight average molecular weight Mw of 10,000 g/mol or more and a molecular weight distribution MWD of 4.5 or lower and, in a second aspect, to a cable comprising one or more insulated conductors which are embedded in a bedding composition, which comprises a) a polymer resin (A) and b) an inorganic filler (B), wherein the heat release rate HRR of the composition at any time within is the period from 0 s to 200 s after ignition does not exceed a maximum of 80 kW measured with cone calorimetry according to ISO 5660-1. The bedding may also comprise a bedding layer provided between said one or more insulated conductors and an outer sheath layer, wherein the bedding layer comprises the above bedding composition.
    • 本发明涉及一种包含一个或多个绝缘导体的电缆,所述绝缘导体嵌入在层压组合物中,所述绝缘导体包括a)聚合物树脂(A)和b)无机填料(B),其中所述聚合物树脂(A)包含 烯属均聚物和/或共聚物(A.1),其重均分子量Mw为10,000g / mol以上,分子量分布MWD为4.5以下,在第二方面涉及包含一种或多种 更多的绝缘导体,它们嵌入在一种床垫组合物中,其包括a)聚合物树脂(A)和b)无机填料(B),其中组合物在任何时间内的放热速率HRR是0s 点火后200秒不超过根据ISO 5660-1的锥形量热法测量的最大值80 kW。 床上用品还可以包括设置在所述一个或多个绝缘导体和外护套层之间的垫层,其中所述垫层包括上述床层组合物。
    • 4. 发明申请
    • Insulating foam composition
    • 绝缘泡沫组合物
    • US20080255261A1
    • 2008-10-16
    • US12150647
    • 2008-04-30
    • Dharmini Kshama Josephine MothaAchim HesseJames Elliott Robinson
    • Dharmini Kshama Josephine MothaAchim HesseJames Elliott Robinson
    • C08L23/12
    • C08J9/0061C08J2323/10C08J2423/00C08L2314/06C08L2666/02C09J123/12H01B3/441
    • Insulating foam composition for insulation on communication cables, contains 20-95 wt % of an unmodified propylene polymer, having a melt index of 0.1 to 10 g/10 min at 230° C./2.16 kg; and 5-80 wt % of a modified propylene polymer, with a propylene content of up to 100 wt %, and a melt index of 0.05 to 10 g/10 min at 230° C./2.16 kg. The unmodified propylene polymer is a propylene homopolymer; a propylene copolymer of propylene and ethylene or an α-olefin; a polyolefin mixture containing a crystalline copolymer of propylene and ethylene or an α-olefin, and an elastic copolymer containing ethylene and propylene or an α-olefin; or an amorphous, non-isotactic propylene polymer such as a propylene homopolymer, a propylene copolymer containing propylene and an α-olefin. The modified propylene polymer is a polypropylene modified by reaction with a bismaleimido compound, ionizing radiation, or a peroxide.
    • 在通信电缆上绝缘的绝缘泡沫组合物含有20-95wt%的未改性丙烯聚合物,在230℃/ 2.16kg下熔体指数为0.1-10g / 10min; 和5-80wt%的丙烯含量高达100wt%的改性丙烯聚合物,在230℃/ 2.16kg下的熔体指数为0.05-10g / 10min。 未改性的丙烯聚合物是丙烯均聚物; 丙烯和乙烯或α-烯烃的丙烯共聚物; 含有丙烯和乙烯或α-烯烃的结晶共聚物的聚烯烃混合物和含有乙烯和丙烯或α-烯烃的弹性共聚物; 或无定形非全同立构丙烯聚合物如丙烯均聚物,含有丙烯和α-烯烃的丙烯共聚物。 改性丙烯聚合物是通过与双马来酰亚胺化合物,电离辐射或过氧化物反应而改性的聚丙烯。