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    • 32. 发明授权
    • Vulcanized rubber composition
    • 硫化橡胶组合物
    • US5011888A
    • 1991-04-30
    • US449308
    • 1989-12-06
    • Fumio TsutsumiAkihiko MorikawaMitsuhiko SakakibaraNoboru OshimaTatsuro HamadaTatsuo FujimakiMasayuki Ohashi
    • Fumio TsutsumiAkihiko MorikawaMitsuhiko SakakibaraNoboru OshimaTatsuro HamadaTatsuo FujimakiMasayuki Ohashi
    • C08L9/06B60C1/00C08F297/04C08G18/69C08L21/00C08L53/00C08L53/02
    • C08L53/02B60C1/0016C08G18/69C08L21/00C08G2380/00
    • A rubber composition is disclosed which contains not less than 20% by weight in a rubber component of a block copolymer composed of polymer or copolymer block units (A) and a random copolymer block units (B). The polymer or copolymer block units (A) are obtained by singly polymerizing a conjugated diolefine or copolymerizing the conjugated diolefine and a monovinyl aromatic hydrocarbon with use of a lithium initiator and contains not more than 10% by weight of the bound monovinyl aromatic hydrocarbon. The random copolymer block unit (B) are obtained by copolymerizing the conjugated diolefine and the monovinyl aromatic hydrocarbon and contain 15 to 80% by weight of the bound monovinyl aromatic hydrocarbon. In the block copolymer, (i) the block copolymer contains not less than 10% by weight of each of the block units (A) and the block units (B); (ii) the total content of the bound monovinyl aromatic hydrocarbon is from 10 to 40% by weight; (iii) the average content of the vinyl bonds in the conjugated diolefine portions is from 20 to 70%; and (iv) polymerizable terminals of the block copolymer are reacted with an isocyanate compound.
    • 公开了在由聚合物或共聚物嵌段单元(A)和无规共聚物嵌段单元(B)组成的嵌段共聚物的橡胶组分中不少于20重量%的橡胶组合物。 聚合物或共聚物嵌段单元(A)是通过使共轭二烯烃单独聚合或使用锂引发剂共轭共轭二烯和单乙烯基芳族烃而得到的,并且含有不超过10重量%的结合的单乙烯基芳烃。 无规共聚物嵌段单元(B)通过使共轭二烯烃和单乙烯基芳族烃共聚而得到,并含有15〜80重量%的结合的单乙烯基芳烃。 在嵌段共聚物中,(i)嵌段共聚物含有不少于块单元(A)和嵌段单元(B)的10重量%。 (ii)结合的单乙烯基芳烃的总含量为10〜40重量% (iii)共轭二烯烃部分中的乙烯基键的平均含量为20〜70%。 和(iv)嵌段共聚物的可聚合端与异氰酸酯化合物反应。
    • 33. 发明授权
    • Rubber composition comprising a styrene-butadiene block copolymer having
two kinds of blocks
    • 包含具有两种嵌段的苯乙烯 - 丁二烯嵌段共聚物的橡胶组合物
    • US4782119A
    • 1988-11-01
    • US769923
    • 1985-08-27
    • Fumio TsutsumiAkio IakashimaMitsuhiko SakakibaraNoboru OshimaTatsuo FujimakiYoshiyuki Morimoto
    • Fumio TsutsumiAkio IakashimaMitsuhiko SakakibaraNoboru OshimaTatsuo FujimakiYoshiyuki Morimoto
    • C08L7/00B60C1/00C08F297/04C08L1/00C08L9/06C08L21/00C08L23/00C08L27/00C08L51/00C08L51/02C08L53/00C08L53/02C08L77/00C08L101/00
    • B60C1/0016C08F297/044Y10S525/914
    • A rubber composition containing at least 20% by weight of a styrene-butadiene block copolymer consisting of a block (A) and a block (B) characterized in that: (i) the block (A) is a styrene-butadiene copolymer block having the content of styrene of 10-80% by weight and the average content of the vinyl bonds in the butadiene portion of 30-70% by weight; (ii) the block (B) is a polybutadiene block with the average content of the vinyl bonds in the butadiene portion being not more than 60% by weight (iii) the styrene-butadiene block copolymer contains at least 20% by weight of each of the block (A) and the block (B); (iv) the average content of the vinyl bonds in the butadiene portion of the block (A) is greater by at least 5% by weight than that of the block (B); (v) the glass transition temperature of the block (A) is higher by at least 30.degree. C. than that of the block (B); (vi) the whole content of the bound styrene in the above block copolymer is 5-40% by weight; (vii) the ratio Mw/Mn between the weight average molecular weight Mw and the number average molecular weight Mn of the block copolymer is 1.8-5.0 when calculated as polystyrene according to the gel permeation chromatogram; and (viii) the Mooney's viscosity (ML.sub.1+4.sup.100.degree. C.) of the block copolymer is 20-150.
    • 一种含有至少20重量%由嵌段(A)和嵌段(B)组成的苯乙烯 - 丁二烯嵌段共聚物的橡胶组合物,其特征在于:(i)嵌段(A)是苯乙烯 - 丁二烯共聚物嵌段,其具有 苯乙烯含量为10-80重量%,丁二烯部分中乙烯基键的平均含量为30-70重量%; (ii)嵌段(B)是丁二烯部分中乙烯基键的平均含量不大于60重量%的聚丁二烯嵌段(iii)苯乙烯 - 丁二烯嵌段共聚物含有至少20重量% (A)和块(B); (iv)嵌段(A)的丁二烯部分中的乙烯基键的平均含量比块(B)的平均含量高至少5重量%。 (v)嵌段(A)的玻璃化转变温度比嵌段(B)的玻璃化转变温度高至少30℃; (vi)上述嵌段共聚物中的结合苯乙烯的全部含量为5-40重量% (vii)根据凝胶渗透色谱法计算,当以聚苯乙烯计算时,嵌段共聚物的重均分子量Mw与数均分子量Mn之比Mw / Mn为1.8-5.0; 和(viii)嵌段共聚物的门尼粘度(ML1 + 4100℃)为20-150℃。
    • 36. 发明申请
    • Method For Producing Cyclic Olefin Addition Copolymer, Cyclic Olefin Addition Copolymer And Use Thereof
    • 生产环烯烃加成共聚物,环烯烃加成共聚物及其用途的方法
    • US20080125556A1
    • 2008-05-29
    • US11722525
    • 2005-12-05
    • Kenzo OhkitaNoboru OshimaNobuyuki SakabeKatsutoshi Sawada
    • Kenzo OhkitaNoboru OshimaNobuyuki SakabeKatsutoshi Sawada
    • C08F4/60
    • C08F230/08
    • The present invention provides a method for producing a cyclic olefin addition copolymer wherein a monomer composition containing 5 to 80 mol % of a cyclic olefin having a substituent selected from alkyl groups, alkylsilyl group, and alkylsilylmethyl group represented by formula (1) below and 20 to 95 mol % of a cyclic olefin represented by formula (2) below is addition-copolymerized in the presence of a palladium-based multicomponent catalyst containing a specific palladium compound (i), a specific phosphorus compound (ii), and an ionic boron compound or an ionic aluminum compound (iii): (one of A1 to A4 is a C4-5 alkyl group, trimethylsilyl group, or trimethylsilylmethyl group, and the others each independently are a hydrogen atom, halogen atom, or methyl group) (B1 to B4 are each independently a hydrogen atom, methyl group, or halogen atom.)
    • 本发明提供一种环状烯烃加成共聚物的制造方法,其中含有5〜80摩尔%的具有选自下述式(1)表示的烷基,烷基甲硅烷基和烷基甲硅烷基甲基的取代基的环状烯烃的单体组合物和20 至(95)摩尔%的由下式(2)表示的环状烯烃在含有特定的钯化合物(i),特定的磷化合物(ⅱ)和离子性硼的离子性硼的钯系多组分催化剂的存在下进行加成共聚 化合物或离子型铝化合物(iii):(A 1〜4中的一个)为C 4〜5〜5个烷基,三甲基甲硅烷基 或三甲基甲硅烷基甲基,其余各自独立地为氢原子,卤素原子或甲基)(B 1至B 4)各自独立地为氢原子,甲基 基团或卤原子。)
    • 39. 发明申请
    • CYCLOOLEFIN COPOLYMER FORMED BY RING-OPENING POLYMERIZATION, PROCESS FOR PRODUCING THE SAME, AND OPTICAL MATERIAL
    • 通过开环聚合形成的环烯烃共聚物,其制备方法和光学材料
    • US20060106174A1
    • 2006-05-18
    • US10529497
    • 2003-06-19
    • Kenzo OhkitaTakashi ImamuraNoboru Oshima
    • Kenzo OhkitaTakashi ImamuraNoboru Oshima
    • C08F8/42
    • C08G61/06G02B1/04C08L23/0823
    • Disclosed herein are a ring-opened cycloolefin copolymer excellent in optical properties such as transparency, low in water (moisture) absorption property, high in affinity for other materials, good in post processing properties such as adhesive property and printability, and excellent in heat resistance and mechanical strength, a production process thereof, and an optical material. The ring-opened cycloolefin copolymer of the invention contains a structural unit (A) represented by any one of general formulae (1-1) to (1-3) and a structural unit (B) derived from a specific cycloolefin having an ester group in a proportion of 10:90 to 50:50 in terms of a molar ratio, wherein a monomer for obtaining the structural unit (A) is a tricyclomonoolefin compound containing an endo form in a proportion of at least 80 mol % and has a glass transition temperature of 120 to 250° C.: wherein in the general formulae (1-1) to (1-3), R1 to R13 individually represent a group selected from a hydrogen atom, halogen atoms, and alkyl groups and halogenated alkyl groups having 1 to 4 carbon atoms, and X1 to X3 mean individually an ethylene group or vinylene group.
    • 本文公开了一种开环环烷烃共聚物,其透光性,水(吸湿性)吸收性低,对其他材料的亲和性高,粘合性,印刷性等后加工性良好,耐热性优异 机械强度,制造方法以及光学材料。 本发明的开环式环烯烃共聚物含有由通式(1-1)〜(1-3)中任一项表示的结构单元(A)和衍生自具有酯基的特定环烯的结构单元(B) 以摩尔比10:90至50:50的比例,其中用于获得结构单元(A)的单体是含有至少80摩尔%的内在形式的三环单体烯烃化合物,并且具有玻璃 转化温度为120-250℃。其中在通式(1-1)至(1-3)中,R 1至R 13独立地表示基团 选自氢原子,卤素原子和烷基和具有1至4个碳原子的卤代烷基,X 1至X 3独立地表示亚乙基或亚乙烯基 组。