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    • 3. 发明授权
    • Block copolymer mixture of conjugated diene and vinyl aromatic
hydrocarbon
    • 共轭二烯和乙烯基芳烃的嵌段共聚物混合物
    • US4423190A
    • 1983-12-27
    • US333656
    • 1981-12-23
    • Isaburo FukawaKunio SatakeTsuyoshi YamadaKiyoshi HayakawaYasushi Sato
    • Isaburo FukawaKunio SatakeTsuyoshi YamadaKiyoshi HayakawaYasushi Sato
    • C08F297/04
    • C08F297/044
    • A novel block copolymer mixture of conjugated diene (C.D.) and vinylaromatic hydrocarbon (V.H.) having a superior transparency and impact-resistance is produced by the following two step polymerizations using an organolithium compound as a catalyst and a solvent consisting mainly of an aliphatic hydrocarbon: a first step (A) of preparing a living (co)polymer of C.D. or C.D. and V.H., by polymerizing the monomer(s) in a ratio by weight of V. H. to C.D. of 0/100 to 60/40 and in an amount of 1 to 80% by weight of total monomers to be used, in the presence of said catalyst and solvent, and a second step (B) of preparing V.H. polymer or block copolymer of V.H. and C.D., by adding to said living (co)polymer, remaining monomer(s), in a ratio by weight of V.H. to C.D. of 100/0 to 65/35 and in an amount of 99 to 20% by weight of total monomers to be used, and said catalyst and solvent, and polymerizing the remaining monomer(s) to obtain a block copolymer mixture, this block copolymer mixture having a ratio of V.H. content of ultimate block copolymers to that of the (co)polymers obtained only in step (B), of at least 1/1.8, and a ratio of V.H. portion to C.D. portion of 60/40 to 95/5.
    • 通过使用有机锂化合物作为催化剂和主要由脂肪族烃组成的溶剂进行以下两步聚合,制备具有优异的透明性和耐冲击性的共轭二烯(CD)和乙烯基芳烃(VH)的新型嵌段共聚物混合物: 制备CD的活性(共)聚合物的第一步骤(A) 或C.D. 和V.H.通过以V H.与C.D.重量比的比例聚合单体。 在所述催化剂和溶剂的存在下,使用的总单体重量为0/100至60/40且为1至80重量%,以及制备VH聚合物或嵌段共聚物的第二步骤(B) VH和CD,通过以VH与CD的重量比加入所述活性(共)聚合物,剩余单体 为100/0至65/35,并且使用的总单体的重量为99至20重量%,所述催化剂和溶剂,并使剩余的单体聚合以获得嵌段共聚物混合物,该嵌段共聚物 最终嵌段共聚物的VH含量与仅在步骤(B)中获得的(共)聚合物的VH含量的比率为至少1 / 1.8,VH部分与CD的比例 部分为60/40至95/5。
    • 4. 发明授权
    • Process for producing mixture of block copolymers
    • 制备嵌段共聚物混合物的方法
    • US4208356A
    • 1980-06-17
    • US609684
    • 1975-09-02
    • Isaburo FukawaKunio SatakeTsuyoshi YamadaKiyoshi HayakawaYasushi Sato
    • Isaburo FukawaKunio SatakeTsuyoshi YamadaKiyoshi HayakawaYasushi Sato
    • C08F297/04
    • C08F297/044
    • A novel block copolymer mixture of conjugated diene (C.D.) and vinylaromatic hydrocarbon (V.H.) having a superior transparency and impact-resistance is produced by the following two step polymerizations using an organolithium compound as a catalyst and a solvent consisting mainly of an aliphatic hydrocarbon:a first step (A) of preparing a living (co)polymer of C.D. or C.D. and V.H., by polymerizing the monomer(s) in a ratio by weight of V.H. to C.D. of 0/100 to 60/40 and in an amount of 1 to 80% by weight of total monomers to be used, in the presence of said catalyst and solvent, anda second step (B) of preparing V.H. polymer or block copolymer of V.H. and C.D., by adding to said living (co)polymer, remaining monomer(s), in a ratio by weight of V.H. to C.D. of 100/0 to 65/35 and in an amount of 99 to 20% by weight of total monomers to be used, and said catalyst and solvent, and polymerizing the remaining monomer(s) to obtain a block copolymer mixture,this block copolymer mixture having a ratio of V.H. content of ultimate block copolymers to that of the (co)polymers obtained only in step (B), of at least 1/1.8, and a ratio of V.H. portion to C.D. portion of 60/40 to 95/5.
    • 通过使用有机锂化合物作为催化剂和主要由脂肪族烃组成的溶剂进行以下两步聚合,制备具有优异的透明性和耐冲击性的共轭二烯(CD)和乙烯基芳烃(VH)的新型嵌段共聚物混合物: 制备CD的活性(共)聚合物的第一步(A) 或C.D. 和V.H.通过以V.H.至C.D.的重量比将聚合单体进行聚合。 在所述催化剂和溶剂的存在下,使用的总单体重量为0/100至60/40且为1至80重量%,以及制备VH聚合物或嵌段共聚物的第二步骤(B) VH和CD,通过以VH与CD的重量比加入所述活性(共)聚合物,剩余单体 为100/0至65/35,并且使用的总单体的重量为99至20重量%,所述催化剂和溶剂,并使剩余的单体聚合以获得嵌段共聚物混合物,该嵌段共聚物 最终嵌段共聚物的VH含量与仅在步骤(B)中获得的(共)聚合物的VH含量的比率为至少1 / 1.8,VH部分与CD的比例 部分为60/40至95/5。
    • 6. 发明申请
    • Classification Apparatus For Powdery Substance
    • 粉状物质分类仪器
    • US20090078619A1
    • 2009-03-26
    • US12161906
    • 2007-01-23
    • Jusuke HidakaShinzo YoshikadoYoshiyuki ShirakawaYoshiaki ItoKiyoshi HayakawaYuuko Watanabe
    • Jusuke HidakaShinzo YoshikadoYoshiyuki ShirakawaYoshiaki ItoKiyoshi HayakawaYuuko Watanabe
    • B07B13/04B04C3/06
    • B01F13/0818B01F13/0255B03C1/286B03C3/14B07B7/01B07B7/086
    • A classification apparatus including a magnetic stirrer composed of main body (1) and rotor (2) and, arranged on the main body of the magnetic stirrer, classification tube (3). The interior of the classification tube is provided with classification compartments (A-E) partitioned from each other by divider plates (5a-5b). The lowermost classification compartment (A) is furnished with gas emission conduit (7). In the classification compartment (A), the rotor (2) of the magnetic stirrer is arranged. From gas supply source (8), a high-pressure gas is fed into the gas emission conduit. By means of the gas emitted from the gas emission conduit, a vortex flow rising from the lowermost classification compartment sequentially toward higher classification compartments is generated in the classification tube. Simultaneously, the rotor of the magnetic stirrer is rotated, so that powdery substance (O) within the classification compartment (A), while being conveyed by the vortex flow, undergoes particle size classification in each of the classification compartments.
    • 一种分级装置,包括由主体(1)和转子(2)组成的磁力搅拌器,并且配置在磁力搅拌器的主体上,分级管(3)。 分级管的内部设置有通过分隔板(5a-5b)彼此分隔的分级室(A-E)。 最下面的分类室(A)配有气体排放导管(7)。 在分级室(A)中,设置磁力搅拌器的转子(2)。 从气体供给源(8)向高压气体供给气体。 通过从气体排放导管排出的气体,在分级管中产生从最下层分级室顺序向上分级室升起的涡流。 同时旋转磁力搅拌器的转子,使分类室(A)内的粉末状物质(O)在被涡流输送的同时在每个分级室中进行粒度分级。