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    • 5. 发明申请
    • Process for producing modified conjugated diene based polymer, modified conjugated diene based polymer produced by the process, rubber composition, and tire
    • 制造改性共轭二烯系聚合物,通过该方法制造的改性共轭二烯系聚合物,橡胶组合物和轮胎的方法
    • US20080103261A1
    • 2008-05-01
    • US11585810
    • 2006-10-25
    • Ken TanakaKoji MasakiYoichi OzawaEiju SuzukiChristine M. RademacherTerrence E. Hogan
    • Ken TanakaKoji MasakiYoichi OzawaEiju SuzukiChristine M. RademacherTerrence E. Hogan
    • C08F136/00
    • C08C19/25B60C1/0016B60C1/0025C08C19/44C08K3/04C08K3/36C08L9/00C08L15/00C08L21/00C08L2666/08
    • The invention provides a process for producing a modified conjugated diene based polymer which attains favorable interaction between a rubber component and carbon black and/or silica, thereby improving dispersibility of the fillers, and which exhibits excellent properties such as heat-buildup-suppressing performance, fracture characteristics, and wear resistance; a modified conjugated diene based polymer produced through the process; a rubber composition containing the diene polymer; and a tire produced from the rubber composition and exhibiting the above properties. The process for producing a modified conjugated diene based polymer includes a step (a) of reacting a silicon compound with a conjugated diene based polymer having an active end so that the reaction takes place at the active end, the silicon compound having a protected primary amino group in the molecule thereof and a bi-functional silicon atom to which a hydrocarbyloxy group and a reactive group including a hydrocarbyloxy group are bonded, to thereby modify the active end, and a step (b) of performing condensation reaction which involves the compound having a bi-functional silicon atom, in the presence of a titanium compound serving as a titanium-based condensation-accelerating agent.
    • 本发明提供了一种制备改性共轭二烯系聚合物的方法,其在橡胶组分与炭黑和/或二氧化硅之间具有良好的相互作用,从而提高填料的分散性,并且具有优异的性能如发热抑制性能, 断裂特性和耐磨性; 通过该方法制备的改性共轭二烯基聚合物; 含有二烯聚合物的橡胶组合物; 以及由橡胶组合物制成并具有上述特性的轮胎。 改性共轭二烯系聚合物的制造方法包括使硅化合物与具有活性末端的共轭二烯系聚合物反应的步骤(a),使得反应在活性末端进行,具有被保护的伯氨基 在其分子中具有烃氧基和含有烃氧基的反应性基团键合的双官能硅原子,从而改变活性末端,和进行缩合反应的步骤(b),其包括具有 在用作钛基缩合促进剂的钛化合物存在下,是双功能硅原子。
    • 10. 发明授权
    • Method for making alkoxy-modified silsesquioxanes
    • 制备烷氧基改性倍半硅氧烷的方法
    • US08822620B2
    • 2014-09-02
    • US13030611
    • 2011-02-18
    • William L. HergenrotherJames H. PawlowTerrence E. HoganAshley S. Hilton
    • William L. HergenrotherJames H. PawlowTerrence E. HoganAshley S. Hilton
    • C08G77/08
    • C08G77/08B60C1/00C08G77/18C08G77/28C08K3/013C08L9/00C08L21/00C08L83/06C08L83/08Y02P20/584C08L83/00
    • A method is presented for making alkoxy-modified silsesquioxanes (AMS) or co-alkoxy-modified silsesquioxanes (co-AMS,) comprising the steps of (a) combining as a reaction mixture (i) water, (ii) an acid-stable solvent for the water, (iii) a solid strong cationic hydrolysis and condensation catalyst, and (iv) a trialkoxysilane compound, (b) allowing the reaction mixture to react for about 0.5 hours to about 200 hours to form the alkoxy-modified silsesquioxanes; and (c) recovering the alkoxy-modified silsesquioxanes from the reaction mixture. The use of solid strong cationic catalysts in this reaction system is advantageous because they remain as solids throughout the reaction, allowing simplified separation of the solid catalyst from the soluble AMS or co-AMS products, resulting in total or near total recovery of the AMS or co-AMS products, the products being free of, or substantially free of residual acid catalyst, as well as virtual total recovery of the catalyst for recycling. The improved AMS and co-AMS compounds, vulcanizable rubber compounds containing them, and a pneumatic tire having a component made from the vulcanized rubber compounds are also presented.
    • 提出了制备烷氧基改性倍半硅氧烷(AMS)或共 - 烷氧基改性倍半硅氧烷(co-AMS)的方法,该方法包括以下步骤:(a)将反应混合物(i)和(ii)酸稳定 溶剂,(iii)固体强阳离子水解和缩合催化剂,和(iv)三烷氧基硅烷化合物,(b)使反应混合物反应约0.5小时至约200小时以形成烷氧基改性倍半硅氧烷; 和(c)从反应混合物中回收烷氧基改性的倍半硅氧烷。 在该反应系统中使用固体强阳离子催化剂是有利的,因为它们在整个反应中保持固体,允许固体催化剂与可溶性AMS或共AMS产物的简单分离,导致AMS或 共AMS产品,产品没有或基本上没有残留的酸催化剂,以及用于再循环的催化剂的虚拟总回收。 还提出了改进的AMS和共AMS化合物,含有它们的可硫化橡胶化合物和具有由硫化橡胶化合物制成的组分的充气轮胎。