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    • 72. 发明申请
    • BLOCK COPOLYMER COMPOSITION
    • 嵌段共聚物组合物
    • WO01062849A1
    • 2001-08-30
    • PCT/JP2001/001317
    • 2001-02-22
    • C08F297/04C08K5/13C08L53/02C08L53/00
    • C08L53/02C08F297/04C08L2666/14C08L2666/02
    • A thermally stabilized block copolymer composition comprising: a block copolymer which comprises at least one polymer block derived mainly from a monoalkenyl aromatic compound and at least one polymer block derived mainly from a conjugated diene compound and in which the content of units derived from the monoalkenyl aromatic compound is 5 to 95 wt.% based on the block copolymer; and phenolic stabilizers. Due to the incorporation of the two or more specific phenolic stabilizers in the block copolymer of a monoalkenyl aromatic compound and a conjugated diene compound, the block copolymer composition has excellent thermal stability even at high temperatures, is highly inhibited from generating a gel, and has an excellent color tone.
    • 一种热稳定嵌段共聚物组合物,其包括:嵌段共聚物,其包含至少一种主要由单链烯基芳族化合物衍生的聚合物嵌段和至少一种主要由共轭二烯化合物衍生的聚合物嵌段,其中衍生自单链烯基芳族化合物的单元含量 化合物为5〜95重量%,基于嵌段共聚物; 和酚类稳定剂。 由于在单链烯基芳香族化合物和共轭二烯化合物的嵌段共聚物中并入两种以上的特定的酚类稳定剂,因此嵌段共聚物组合物即使在高温下也具有优异的热稳定性,高度抑制凝胶的生成,并且具有 色调很好。
    • 73. 发明申请
    • FREE FLOWING POWDER
    • 免费流动粉
    • WO01042353A1
    • 2001-06-14
    • PCT/EP2000/012400
    • 2000-12-06
    • C08J3/12B29B13/10C08F297/04C08J5/00C08K5/00C08L53/02C08L101/00
    • C08L53/025C08L53/02Y10S524/904C08L2666/24C08L2666/02
    • The present invention relates to a free flowing powder composition with a particle size at most 800 mu m comprising: (a) 100 parts by weight of one or more styrenic block copolymers, at least one of which being a block copolymer (a1) comprising at least one block S having a glass transition temperature Tg above 25 DEG C, which contains polymerized units of a vinylaromatic monomer and at least one elastomeric block B/S having a Tg below 25 DEG C, which contains polymerized units of both a vinylaromatic monomer and a conjugated diene in random sequence, wherein the ratio of block S to block B/S is from 1 to 40 % by volume and wherein the amount of the conjugated diene is less than 50 % by weight on the whole of the copolymer; optionally (b) 0 to 200 parts by weight of plasticizing oil; optionally (c) 0 to 200 parts by weight of a compatibilising resin; and optionally (d) a dusting agent in an amount of from 0 to 10 % by weight based on total weight of composition. It also relates to a process for the preparation thereof and to homogeneous layers derived therefrom.
    • 本发明涉及一种粒度至多为800μm的自由流动的粉末组合物,其包含:(a)100重量份的一种或多种苯乙烯类嵌段共聚物,其中至少一种是嵌段共聚物(a1),其包含 玻璃化转变温度Tg高于25℃的至少一个嵌段S,其含有乙烯基芳族单体的聚合单元和至少一种Tg低于25℃的弹性体嵌段B / S,其含有乙烯基芳族单体和 共轭二烯,其中嵌段S与嵌段B / S的比例为1〜40体积%,共轭二烯的量相对于全部共聚物为50重量%以下。 任选地(b)0至200重量份的增塑油; 任选地(c)0至200重量份的增容树脂; 和任选地(d)占组合物总重量的0至10重量%的除尘剂。 它还涉及其制备方法和由其衍生的均匀层。
    • 74. 发明申请
    • METHOD FOR REMOVING HYDROCARBON SOLVENT FROM SOLUTION OF HYDROGENATED BLOCK COPOLYMER IN HYDROCARBON SOLVENT
    • 在烃溶剂中从氢化嵌段共聚物溶液中除去烃溶剂的方法
    • WO01030859A1
    • 2001-05-03
    • PCT/JP2000/007607
    • 2000-10-27
    • C08F6/12C08F8/04C08F297/04C08L53/02
    • C08F8/04C08F6/12C08F297/04C08L53/02C08L53/025C08L2666/02
    • A method for removing a solvent from a hydrocarbon solvent solution of a hydrogenated block copolymer (a hydrogenation degree for double bonds of conjugated diene monomer units: 30 % or more) obtained by hydrogenating a block copolymer comprising a polymer block containing a vinyl aromatic monomer unit as a main component and a polymer block containing a conjugated diene monomer unit as another main component (vinyl aromatic monomer unit/ conjugated diene monomer unit, in weight ratio: 5/95 to 95/5), characterized as comprising (1) admixing the hydrocarbon solvent solution of a hydrogenated block copolymer with hot water to produce a dispersion comprising the solution dispersed in the hot water, and (2) introducing the dispersion to a steam stripping vessel by spraying the dispersion toward the surface of the hot water under a condition wherein the vapor pressure P1 of the dispersion and the pressure P2 of the gas phase satisfy the relationship: P1 >/= P2 , to remove the solvent through steam stripping, thereby preparing a porous crumb.
    • 通过氢化包含含有乙烯基芳族单体单元的聚合物嵌段的嵌段共聚物获得的氢化嵌段共聚物的烃溶剂溶液(共轭二烯单体单元的双键氢化度:30%以上)除去溶剂的方法 作为主要成分和含有共轭二烯单体单元作为主要成分(乙烯基芳香族单体单元/共轭二烯单体单元,重量比:5/95〜95/5)的聚合物嵌段,其特征在于,含有(1) 氢化嵌段共聚物与热水的烃溶剂溶液以产生包含分散在热水中的溶液的分散体,和(2)通过将分散体喷射到热水表面的条件下将分散体引入蒸汽汽提容器 其中分散体的蒸汽压P1和气相的压力P2满足关系:P1> / = P2,以除去溶剂通道 h蒸汽汽提,从而制备多孔屑。
    • 75. 发明申请
    • TAPERED AROMATIC-VINYL/CONJUGATED-DIENE COPOLYMER RUBBER, PROCESS FOR PRODUCING THE SAME, AND RUBBER COMPOSITION
    • 接触式芳香 - 乙烯/共轭二烯共聚物橡胶,其生产方法和橡胶组合物
    • WO01010919A1
    • 2001-02-15
    • PCT/JP2000/005333
    • 2000-08-09
    • C08F236/10C08F297/04C08L9/06C08L53/02
    • C08L9/06C08F236/10C08F297/04C08F297/044C08L7/00C08L9/00C08L53/02C08L2666/02
    • A tapered aromatic-vinyl-monomer/conjugated-diene-monomer copolymer rubber in which the ratio of the content by weight of aromatic vinyl monomer units in the polymer molecules having a molecular weight which is 60 % of Mp, W0.6Mp, to that of aromatic vinyl monomer units in the polymer molecules having a molecular weight of Mp, WMp, is from 0.65 to 0.9 or from 1.1 to 1.3 provided that Mp is the molecular weight corresponding to the peak of a molecular weight distribution curve obtained by gel permeation chromatography, or a coupling type rubber obtained by linking polymer molecules of the copolymer rubber to one another at terminals thereof; and a rubber composition comprising either the copolymer rubber or the coupling type rubber and either natural rubber or a synthetic isoprene rubber. This rubber composition is reduced in heat build-up and excellent in resistance to wet skidding, strength properties, and wearing resistance.
    • 一种渐缩的芳族 - 乙烯基单体/共轭二烯 - 单体共聚物橡胶,其中分子量为Mp的60%,W0.6Mp的聚合物分子中的芳族乙烯基单体单元的重量比与 的分子量为Mp,WMp的聚合物分子中的芳族乙烯基单体单元为0.65至0.9或1.1至1.3,条件是Mp是通过凝胶渗透色谱法获得的分子量分布曲线的峰的分子量 或通过将共聚物橡胶的聚合物分子彼此连接而获得的偶联型橡胶; 以及包含共聚物橡胶或偶联型橡胶以及天然橡胶或合成异戊二烯橡胶的橡胶组合物。 该橡胶组合物的发热减少,耐湿滑性,强度性能和耐磨性优异。
    • 78. 发明申请
    • PROCESS FOR PRODUCING TAPERED BLOCK COPOLYMERS
    • 生产嵌段嵌段共聚物的方法
    • WO00042086A1
    • 2000-07-20
    • PCT/EP2000/000301
    • 2000-01-14
    • C08F297/04
    • C08F297/046C08F297/04
    • The present invention is a process for producing a tapered block polymer which comprises optionally anionically polymerizing styrene to form a homopolymer block of polystyrene, anionically polymerizing isoprene to form a homopolymer block of polyisoprene, and anionically copolymerizing a mixture of styrene and isoprene to form a tapered copolymer block wherein each of the monomers styrene and isoprene is introduced at a rate of 15 % to 75 % by weight of the total tapered block monomer charge per minute and the weight ratio of the styrene to the isoprene is from 0.5:1 to 1.5:1. The process produces a unique polymer containing a tapered polymer block of styrene and isoprene which has a specific taper structure consisting of small segments of variable size of styrene monomers and isoprene monomers.
    • 本发明是一种制备锥形嵌段聚合物的方法,其包括任选地阴离子聚合苯乙烯以形成聚苯乙烯均聚物嵌段,阴离子聚合异戊二烯以形成聚异戊二烯的均聚物嵌段,并阴离子共聚苯乙烯和异戊二烯的混合物以形成锥形 共聚物嵌段,其中单体苯乙烯和异戊二烯以每分钟总锥形嵌段单体电荷的15重量%至75重量%的速率引入,苯乙烯与异戊二烯的重量比为0.5:1至1.5:1。 1。 该方法产生独特的聚合物,其含有苯乙烯和异戊二烯的锥形聚合物嵌段,其具有由可变尺寸的苯乙烯单体和异戊二烯单体的小段组成的特定锥形结构。
    • 79. 发明申请
    • PROCESS FOR HYDROGENATING A CONJUGATED DIENE POLYMER
    • 氢化联用二烯聚合物的方法
    • WO00008069A1
    • 2000-02-17
    • PCT/KR1998/000440
    • 1998-12-18
    • C08F2/38C08C19/02C08F4/46C08F8/04C08F297/04C07F17/00C08F36/04
    • C08F297/04C08C19/02C08F8/04
    • This invention relates to a process for selectively hydrogenating the unsaturated double bonds of conjugated diene units of a homopolymer or copolymer. By using a highly active novel homogeneous organo titanium catalyst represented by formula (I) and lithium hydride (LiH) prepared in solution of organo lithium compound and hydrogen as a reducing agent, a polymer could be hydrogenated with significantly high yield and good reproducibility. In addition, this invention is characterized by a novel method in that when a copolymer containing a conjugated diene and vinyl-substituted aromatic hydrocarbon, the unsatured double bonds of conjugated diene units are selectively hydrogenated. In said formula where, Cp is a cyclopentadienyl group (C5H5); R1 and R2 are the same or different and are selected from halogen atom; R3 and R4 are the same of different and are selected from hydrogen atoms, alkyl or alkoxy group containing 1 to 12 carbon atoms, aryl or aryloxy groups containing 6 to 20 carbon atoms and cycloalkyl groups containing 6 to 20 carbon atoms.
    • 本发明涉及选择性氢化均聚物或共聚物的共轭二烯单元的不饱和双键的方法。 通过使用在有机锂化合物和氢作为还原剂的溶液中制备的高活性的由式​​(I)表示的均相有机钛催化剂和氢化锂(LiH),可以以高产率和良好的再现性氢化聚合物。 此外,本发明的特征在于,当含有共轭二烯和乙烯基取代的芳族烃的共聚物时,共轭二烯单元的未成型双键被选择性氢化的新方法。 在所述式中,Cp是环戊二烯基(C 5 H 5); R1和R2相同或不同,选自卤素原子; R3和R4相同,选自氢原子,含有1至12个碳原子的烷基或烷氧基,含有6至20个碳原子的芳基或芳氧基以及含有6至20个碳原子的环烷基。