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    • 5. 发明授权
    • Rubber composition for tire treads
    • 轮胎胎面橡胶组合物
    • US5430086A
    • 1995-07-04
    • US165164
    • 1993-12-10
    • Yuichi SaitoToru FukumotoShuji ImaokaKeisaku YamamotoKizuku WakatsukiMitsuji Tsuji
    • Yuichi SaitoToru FukumotoShuji ImaokaKeisaku YamamotoKizuku WakatsukiMitsuji Tsuji
    • B60C1/00C08K3/04C08L9/06
    • C08K3/04B60C1/0016C08L9/06C08L2205/02C08L7/00C08L9/00C08L9/08Y10S152/905
    • A rubber composition for tire treads comprising a rubber component consisting essentially of (A) 20 to 100% by weight of a solution-polymerized styrene-butadiene copolymer rubber having a Mooney viscosity ML.sub.1+4 of 30 to 200 at 100.degree. C. prepared by copolymerization of styrene, butadiene and a polyvinyl aromatic compound followed by coupling with a trifunctional or tetrafunctional coupling agent, and (B) 0 to 80% by weight of at least one rubber selected from the group consisting of an emulsion-polymerized styrene-butadiene rubber, a butadiene rubber, natural rubber and a synthetic polyisoprene rubber; and (C) 50 to 250 parts by weight of a carbon black having an iodine adsorption number of not less than 60 mg/g and an oil absorption of not less than 110 ml/100 g per 100 parts by weight of said rubber component; the tan .delta. peak temperature Tg of the cured product of said rubber composition being from -40.degree. to +5.degree. C. The tread rubber composition can be processed without causing bagging with a good dispersibility of carbon black and provides tires having a low rolling resistance and a high grip characteristic.
    • 一种用于轮胎胎面的橡胶组合物,其包含基本上由(A)20-100重量%的在100℃下门尼粘度ML1 + 4为30至200的溶液聚合的苯乙烯 - 丁二烯共聚物橡胶组成的橡胶组分,其由 苯乙烯,丁二烯和聚乙烯基芳族化合物的共聚合,然后与三官能或四官能偶联剂偶合,和(B)0至80重量%的至少一种选自乳液聚合的苯乙烯 - 丁二烯橡胶 丁二烯橡胶,天然橡胶和合成聚异戊二烯橡胶; 和(C)每100重量份所述橡胶组分50至250重量份的碘吸附数不小于60mg / g和吸油量不小于110ml / 100g的炭黑; 所述橡胶组合物的固化产物的tanδ峰值温度Tg为-40℃至+5℃。胎面橡胶组合物可以在不引起炭黑的良好分散性的情况下进行加工而且具有低滚动阻力的轮胎 和高抓地力特性。
    • 6. 发明授权
    • Process for preparing diene polymer rubbers
    • 二烯聚合物橡胶的制备方法
    • US4957976A
    • 1990-09-18
    • US415380
    • 1989-09-29
    • Hiroyoshi TakaoAkio ImaiTomoski SekiMitsuji Tsuji
    • Hiroyoshi TakaoAkio ImaiTomoski SekiMitsuji Tsuji
    • C08C19/42
    • C08C19/42
    • A process for preparing modified diene polymer rubbers having an increased impact resilience and a reduced hardness at low temperatures and useful as rubber materials for automobile tires and other industries which comprises producing an alkali metal-containing conjugated diene polymer, and reacting the alkali metal-containing polymer with a modifier selected from the group consisting of a nitro compound, a phosphoryl chloride compound of the formula: ##STR1## wherein R.sup.1 to R.sup.4 are independently an alkyl group, and an aminosilane compound of the formula: ##STR2## wherein R.sup.5 to R.sup.7 are independently an alkyl group or an alkoxyl group, R.sup.8 and R.sup.9 are independently an alkyl group, and n is an integer, said alkali metal-containing diene polymer being prepared by a living anionic polymerization using an alkali metal-based catalyst or by an addition reaction of a diene polymer having conjugated diene units and an alkali metal-based catalyst in a hydrocarbon solvent. The modified diene polymers can be incorporated with usual rubber additives to provide rubber compositions for various purposes, and the cured products shown an increased impact resilience and a reduced hardness at low temperatures.
    • 一种制备改性二烯聚合物橡胶的方法,该改性二烯聚合物橡胶在低温下具有增加的冲击弹性和降低的硬度,并且可用作汽车轮胎和其它工业的橡胶材料,其包括制备含碱金属的共轭二烯聚合物,并使含碱金属的 聚合物,其选自硝基化合物,下式的磷酰氯化合物:其中R 1至R 4独立地为烷基,并且具有下式的氨基硅烷化合物:(IMAGE)( 2)其中R5至R7独立地为烷基或烷氧基,R8和R9独立地为烷基,n为整数,所述含碱金属的二烯聚合物通过使用碱金属 - 或通过在烃溶剂中具有共轭二烯单元的二烯聚合物和碱金属类催化剂的加成反应。 改性二烯聚合物可与通常的橡胶添加剂结合以提供用于各种目的的橡胶组合物,并且固化产物显示了在低温下增加的冲击弹性和降低的硬度。
    • 8. 发明授权
    • Adhesive composition
    • 粘合剂组合物
    • US5240544A
    • 1993-08-31
    • US870120
    • 1992-04-17
    • Yoshio TanimotoNobuyuki YoshidaMitsuji TsujiEiichi UsudaKouji Satou
    • Yoshio TanimotoNobuyuki YoshidaMitsuji TsujiEiichi UsudaKouji Satou
    • C08F8/32C09J151/06
    • C09J151/06C08F8/32
    • An adhesive composition comprising a modified, ethylene/.alpha.-olefin copolymer rubber or a modified, ethylene/.alpha.-olefin/non-conjugated diene copolymer rubber containing 0.1-10% by weight of at least one member selected from the group consisting of an acid anhydride and a dicarboxylic acid, and, if necessary, as an amine compound,(i) 0.2-2 moles of a dialkylamine per mole of the acid anhydride in said modified copolymer rubber when said modified copolymer rubber contains no dicarboxylic acid;(ii) 0.2-2 moles of a polyamine compound per mole of the total amount of the acid anhydride and the dicarboxylic acid in said modified copolymer rubber; or(iii) 0.2-2 moles of a dialkylamine per mole of the acid anhydride in said modified copolymer rubber and 0.2-2 moles of a polyamine compound per mole of the acid anhydride in said modified copolymer rubber when said modified copolymer rubber contains no dicarboxylic acid. The above adhesive composition exhibits good adhesion for rubber compositions, particularly low unsaturated, non-polar rubber compositions and fibers, and is excellent in storage stability.
    • 一种粘合剂组合物,其包含改性的乙烯/α-烯烃共聚物橡胶或改性的乙烯/α-烯烃/非共轭二烯共聚物橡胶,其含有0.1-10重量%的至少一种选自酸 酸酐和二羧酸,如果需要,作为胺化合物,(i)当所述改性共聚物橡胶不含二羧酸时,所述改性共聚物橡胶中每摩尔酸酐为0.2-2摩尔二烷基胺; (ii)每摩尔所述改性共聚物橡胶中酸酐和二羧酸的总量为0.2-2摩尔多胺化合物; 或(iii)当所述改性共聚物橡胶中不含二羧酸时,所述改性共聚物橡胶中每摩尔酸酐为0.2-2摩尔二烷基胺/每摩尔酸酐为0.2-2摩尔多胺化合物 酸。 上述粘合剂组合物对橡胶组合物,特别是低不饱和,非极性橡胶组合物和纤维表现出良好的粘合性,并且储存稳定性优异。
    • 10. 发明授权
    • Polypropylene resin compositions
    • 聚丙烯树脂组合物
    • US07166677B2
    • 2007-01-23
    • US11081500
    • 2005-03-17
    • Kazuhiro DoiIkunori SakaiTakayuki NagaiTakeshi SekitoSusumu KanzakiMitsuji Tsuji
    • Kazuhiro DoiIkunori SakaiTakayuki NagaiTakeshi SekitoSusumu KanzakiMitsuji Tsuji
    • C08L23/12C08L23/14C08L25/10C08L3/34
    • C08L53/00C08F110/06C08F210/06C08F255/02C08L23/0815C08L23/10C08L23/16C08L23/30C08L51/06C08L53/02C08L53/025C08L2666/24C08L2666/02C08L2666/06C08L2666/26C08L51/00C08F2500/15C08F2500/12C08F210/16
    • A polypropylene resin composition comprises (A) (a-1) a specific crystalline propylene/ethylene block copolymer or (a-3) a polymer mixture comprising the (a-1) and (a-2) a specific crystalline propylene-homopolymer in specific ratio, in an amount of 5 to 56% by weight, (B) a hydroxyl group-containing polypropylene having an intrinsic viscosity [η] of 0.8 to 2.0 dl/g and a melting point of 150 to 168° C., in an amount of 10 to 45% by weight, (C) a copolymer rubber of ethylene and an α-olefin having a melt flow rate (ASTM D-1238, 230° C., load of 2160 g) of 0.5 to 15 g/10 min, in an amount of 18 to 25% by weight, (D) a hydrogenation product of a block copolymer containing a polymer block of a monovinyl-substituted aromatic hydrocarbon compound and a polymer block of a conjugated diene compound, in an amount of 1 to 10% by weight, and (E) an inorganic filler in an amount of 15 to 25% by weight, the total amount of said components (A), (B), (C), (D) and (E) being 100% by weight, hydroxyl group-containing monomer units derived from the hydroxyl group-containing polypropylene (B) being contained in amounts of 1.3 to 4.0% by weight in 100% by weight of the polypropylene resin composition. The polypropylene resin composition exhibits excellent coating adhesion properties and has excellent processability and mechanical strength with a good balance.
    • 聚丙烯树脂组合物包含(A)(a-1)特定结晶丙烯/乙烯嵌段共聚物或(a-3)包含(a-1)和(a-2)特定结晶丙烯均聚物的聚合物混合物 特定比例为5〜56重量%,(B)特性粘度η为0.8〜2.0dl / g,熔点为150〜168℃的含羟基的聚丙烯, (C)乙烯和熔体流动速率(ASTM D-1238,230℃,负荷2160g)的α-烯烃的共聚物橡胶为0.5〜15g / 10分钟,其量为18〜25重量%,(D)含有单乙烯基取代的芳烃化合物的聚合物嵌段和共轭二烯化合物的聚合物嵌段的嵌段共聚物的氢化产物的量为 所述组分(A),(B),(C),(D)和(E)的总量为1至10重量%,(E)无机填料的量为15至25重量% 为100重量%,hy 衍生自含羟基的聚丙烯(B)的含羟基的单体单元的含量为聚丙烯树脂组合物的100重量%中的1.3〜4.0重量%。 聚丙烯树脂组合物表现出优异的涂布粘附性,并且具有优异的加工性能和机械强度,并具有良好的平衡。