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    • 74. 发明授权
    • Polypropylene multi-layer film
    • 聚丙烯多层膜
    • US4769284A
    • 1988-09-06
    • US854803
    • 1986-04-23
    • Masahiro KakugoSeiichiro ImaTatsuya MiyatakeHiroyuki Harada
    • Masahiro KakugoSeiichiro ImaTatsuya MiyatakeHiroyuki Harada
    • C08L23/00B32B27/32C08L7/00C08L21/00C08L23/14C08L23/16C08L101/00B32B27/00
    • B32B27/32Y10T428/2826Y10T428/31913
    • A polypropylene multi-layer film which comprises a substrate layer formed of crystalline polypropylene and a composition laminated on at least one side of said substrate layer, said composition comprising 70 to 95% by weight of (A) a crystalline propylene-ethylene copolymer having an ethylene content of 1.5 to 6.0% by weight and/or a crystalline propylene-.alpha.-olefin copolymer having a propylene content of 80 to 98% by weight, a butene-1 content of 2 to 20% by weight, and an ethylene content of 0 to 5% by weight, and 5 to 30% by weight of (B) a crystalline propylene-butene-1 copolymer which is a copolymer obtained by decomposing a crystalline propylene-butene-1 copolymer having a butene-1 content of 25 to 45% by weight, an intrinsic viscosity of 2.5 dl/g or more as determined in tetralin at 135.degree. C., and a proportion of 35% by weight or more of a polymer component soluble in xylene at 20.degree. C., and containing 1.5% by weight or less of a polymer component having a molecular weight calculated in terms of polystyrene of 10,000 or less as determined by GPC.
    • 一种聚丙烯多层膜,其包含由结晶聚丙烯形成的基材层和层压在所述基材层的至少一侧上的组合物,所述组合物包含70-95重量%的(A)结晶丙烯 - 乙烯共聚物,其具有 乙烯含量为1.5〜6.0重量%,和/或丙烯含量为80〜98重量%,丁烯-1含量为2〜20重量%的结晶性丙烯-α-烯烃共聚物,乙烯含量为 0至5重量%,和5至30重量%的(B)结晶丙烯 - 丁烯-1共聚物,其是通过将丁烯-1含量为25的结晶丙烯 - 丁烯-1共聚物分解得到的共聚物, 45重量%,在135℃下在四氢化萘中测定的特性粘度为2.5dl / g以上,在20℃下可溶于二甲苯的聚合物成分的比例为35重量%以上, 1.5重量%以下的具有分子量的聚合物组分 以GPC测定的聚苯乙烯换算为10,000以下。
    • 78. 发明授权
    • Method for producing olefin polymers
    • 烯烃聚合物的制备方法
    • US4168358A
    • 1979-09-18
    • US810169
    • 1977-06-27
    • Hiroyuki HaradaYuji KobayashiKeisaku Yamamoto
    • Hiroyuki HaradaYuji KobayashiKeisaku Yamamoto
    • C08F4/68C08F10/02
    • C08F10/02
    • In a method for producing olefin polymers which comprises polymerizing ethylene monomer alone, or two components comprising ethylene and .alpha.-olefins of the formula, CH.sub.2 .dbd.CHR (in which R is a straight or branched alkyl group having 1 to 6 carbon atoms), or three components comprising ethylene, said .alpha.-olefin and one or more of straight or cyclic diene or polyene monomers having a non-conjugated double bond, in the presence of a catalyst, the improvement which comprises using a catalyst system comprising (1) an organo-aluminum compoum, (2) a 3- to 5-valent vanadium compound soluble in organic inert solvents, and (3) (A) a compound of the formula, ##STR1## (in which R' is a group having a straight or cyclic ether linkage, and X is a halogen atom), or (B) a reaction product of phosphorus pentachloride with an alcohol as an activating agent.
    • 在制备烯烃聚合物的方法中,该方法包括单独聚合乙烯单体或包含乙烯和下式的α-烯烃的两种组分:CH 2 = CHR(其中R是具有1至6个碳原子的直链或支链烷基)或 在催化剂存在下,包含乙烯,所述α-烯烃和一种或多种具有非共轭双键的直链或环状二烯或多烯单体的三种组分包括使用催化剂体系的改进,所述催化剂体系包括(1) (2)可溶于有机惰性溶剂的3至5价钒化合物,和(3)(A)下式化合物,其中R'是具有直链或 环醚键,X为卤原子),或(B)五氯化磷与醇作为活化剂的反应产物。
    • 79. 发明授权
    • Ablation catheter with balloon
    • 消融导管与气球
    • US09439725B2
    • 2016-09-13
    • US14123595
    • 2012-06-08
    • Hiroyuki HaradaMotoki TakaokaAkinori MatsukumaTakahiro Yagi
    • Hiroyuki HaradaMotoki TakaokaAkinori MatsukumaTakahiro Yagi
    • A61B18/12A61B18/14A61B18/00
    • A61B18/1492A61B2018/0022A61B2018/00357A61B2018/00434A61B2018/00511A61B2018/00577A61B2018/00642A61B2018/00702A61B2018/00821
    • A balloon ablation catheter achieves reduction in diameter of the balloon upon balloon contraction and increased reliability of the thermocouple temperature sensor, which balloon ablation catheter is less likely to be influenced by the heating liquid discharged into the balloon and able to control the balloon surface temperature with high accuracy. The balloon ablation catheter includes a shaft wherein a lumen is formed; a balloon wherein the lumen communicates with the inside thereof; and a high-frequency-current-applying electrode formed by coiling a high-frequency-power-supplying lead wire around the shaft while sandwiching a temperature sensor lead wire between the high-frequency-power-supplying lead wire and the shaft such that the temperature sensor lead wire is fixed along the longitudinal direction of the shaft; wherein a thermocouple thermosensor is formed at the point where the high-frequency-power-supplying lead wire and the temperature sensor lead wire constituting the high-frequency-current-applying electrode contact with each other for the first time as seen from the posterior end side in the longitudinal direction.
    • 球囊消融导管在球囊收缩时实现球囊直径的减小,并且增加了热电偶温度传感器的可靠性,气球消融导管不太可能受到排放到球囊中的加热液体的影响,并且能够用 高准确率。 气囊消融导管包括其中形成内腔的轴; 气囊,其中内腔与其内部连通; 以及高频电流施加电极,其通过在高频供电引线和轴之间夹着温度传感器引线而将围绕轴的高频供电引线卷绕而形成,使得 温度传感器引线沿轴的长度方向固定; 其特征在于,在构成所述高频电流施加电极的所述高频供电引线和所述温度传感器引线从所述后端观察时第一次形成热电偶热敏电阻 侧纵向。