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    • 2. 发明申请
    • Rubber composition, vulcanizate, and air intake hose
    • 橡胶组合物,硫化橡胶和进气软管
    • US20070232752A1
    • 2007-10-04
    • US11806180
    • 2007-05-30
    • Yoshiyuki OdagawaFumio IkedaNobuyoshi EmoriHideyuki FujiwaraTakashi MizushimaTakahiro Iwata
    • Yoshiyuki OdagawaFumio IkedaNobuyoshi EmoriHideyuki FujiwaraTakashi MizushimaTakahiro Iwata
    • C08L51/04
    • C08L9/02C08L23/16C08L51/06C08L2205/02C08L2205/03C08L2666/02C08L2666/08
    • A rubber composition, including α,β-ethylenically unsaturated nitrile-conjugated diene copolymer rubber (A) having number average molecular weight of 50,000 to 150,000, α,β-ethylenically unsaturated nitrile-conjugated diene copolymer rubber (B) having number average molecular weight of 1,000 to 20,000, ethylene-α-olefin copolymer rubber (C), and a graft copolymer (D); wherein said graft copolymer (D) is obtained by performing graft copolymerization on a mixture of an aromatic vinyl compound and an α,β-ethylenically unsaturated nitrile monomer with an ethylene-propylene-unconjugated copolymer, and a content of structure units of said ethylene-propylene-unconjugated copolymer is 20 to 70 wt %; a ratio of the graft copolymer (D) with respect to 100 parts by weight in total of said rubber (A), rubber (B) and rubber (C) is 1 to 30 parts by weight; and a composition ratio of the rubber (A), rubber (B) and rubber (C) is rubber (A): 20 to 79 wt %, rubber (B): 1 to 30 wt %, and rubber (C): 20 to 50 wt %, is subjected to vulcanization molding, consequently, vulcanizate of the rubber composition having excellently balanced ozone resistance, flexing fatigue resistance and oil resistance can be provided.
    • 橡胶组合物,包括数均分子量为50,000〜150,000的α,β-烯属不饱和腈共轭二烯共聚物橡胶(A),具有数均分子量的α,β-烯键式不饱和腈共轭二烯共聚物橡胶(B) 1,000至20,000,乙烯-α-烯烃共聚物橡胶(C)和接枝共聚物(D); 其中所述接枝共聚物(D)通过在芳族乙烯基化合物和α,β-烯键式不饱和腈单体与乙烯 - 丙烯 - 非共轭共聚物的混合物上进行接枝共聚获得,并且所述乙烯 - 丙烯 - 非共轭共聚物为20〜70重量% 所述接枝共聚物(D)相对于所述橡胶(A),橡胶(B)和橡胶(C)的总量相对于100重量份的比例为1〜30重量份, 橡胶(A),橡胶(B)和橡胶(C)的组成比为橡胶(A):20〜79重量%,橡胶(B):1〜30重量%,橡胶(C):20 至50重量%,进行硫化成型,因此,可以提供具有良好的耐臭氧性,抗弯曲疲劳性和耐油性均衡的橡胶组合物的硫化橡胶。
    • 8. 发明授权
    • Method for controlling die-retaining force of extruder
    • 挤出机模具保持力控制方法
    • US5454250A
    • 1995-10-03
    • US168997
    • 1993-12-20
    • Fumio IkedaAkira FunaiTatsuyoshi Miyazaki
    • Fumio IkedaAkira FunaiTatsuyoshi Miyazaki
    • B21C25/02B21C31/00
    • B21C31/00
    • A method and apparatus for controlling the die-retaining force of an extruder is disclosed. In the operation of an extruder adapted to retain a die with a container actuated by a container cylinder and effect extrusion of a billet readied for use in the container by forcing the billet through the die, to keep the die-retaining force of the extruder constant, the control of the die-retaining force of the extruder is carried out by causing the container cylinder to impart to the container a force directed away from the die so as to be sequentially decreased during the first half period of the extrusion and causing the container cylinder to impart to the container a force directed toward the die so as to be sequentially increased during the last half period of the extrusion.
    • 公开了一种用于控制挤出机的模具保持力的方法和装置。 在挤压机的操作中,该挤出机适于通过容器圆筒致动的容器保持模具,并且通过迫使坯料穿过模具而使准备用于容器的坯料挤压成形以保持挤出机的模具保持力恒定 挤出机的模具保持力的控制是通过使容器圆筒向容器施加远离模具的力,以便在挤出的前半段期间依次减小,并使容器 气缸,以向容器施加指向模具的力,以便在挤出的最后一半期间依次增加。