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    • 2. 发明授权
    • Functionalized rubbery polymer containing polysiloxane
    • 含有聚硅氧烷的官能化橡胶状聚合物
    • US06558805B2
    • 2003-05-06
    • US09970110
    • 2001-10-03
    • Abderrahim KhadirAdel Farhan HalasaWen-Liang Hsu
    • Abderrahim KhadirAdel Farhan HalasaWen-Liang Hsu
    • B32B904
    • C08G77/442Y10T152/10495Y10T428/31663
    • The present invention relates to an anionic polymerization technique for synthesizing functionalized rubbery polymers containing polysiloxane that have excellent characteristics for utilization in (a) tire tread compounds that are highly loaded with silica, (b) shiny tire side-wall compounds, and (c) tire building bladders having improved mold release characteristics. The rubbery polymers of this invention can optionally be coupled with tin halides or silicon halides to further improve the characteristics of the rubber for use in tire tread compounds. The present invention more specifically discloses a process for synthesizing a rubbery polymer that comprises (1) polymerizing at least one conjugated diolefin monomer to produce a living rubbery polymer, wherein said polymerization is optionally carried out in the presence of a polar modifier, wherein said polymerization is an anionic polymerization that is initiated with an alkylsilyloxy protected functional lithium initiator having a structural formula selected from the group consisting: wherein X represents a group IVa element selected from the group consisting of carbon, silicon, germanium, and tin, wherein Y represents phosphorous or nitrogen, wherein R represents alkyl groups that can be the same or different, wherein the alkyl groups contain from 1 to about 8 carbon atoms, and wherein A represents an alkylene group containing from 1 to about 8 carbon atoms; (2) adding a hexaalkylcyclotrisiloxane monomer to the living rubbery polymer; (3) allowing the hexaalkylcyclotrisiloxane monomer to polymerize to produce a living polysiloxane containing rubber; and optionally, (4) reacting the living polysiloxane containing rubber with a coupling agent selected from the group consisting of tin halides and silicon halides to produce a coupled polysiloxane containing rubber.
    • 本发明涉及一种用于合成含有聚硅氧烷的官能化橡胶聚合物的阴离子聚合技术,其具有优异的(a)高度负载二氧化硅的轮胎胎面胶料,(b)有光泽的轮胎侧壁化合物,(c) 具有改善脱模特性的轮胎成型气囊。 本发明的橡胶状聚合物可以任选与锡卤化物或卤化硅偶联,以进一步改善用于轮胎胎面胶料的橡胶的特性。 本发明更具体地公开了一种合成橡胶状聚合物的方法,其包括(1)聚合至少一种共轭二烯单体以制备活性橡胶状聚合物,其中所述聚合反应任选在极性改性剂存在下进行,其中所述聚合 是由具有选自以下的结构式的烷基甲硅烷氧基保护的官能锂引发剂引发的阴离子聚合:其中X表示选自碳,硅,锗和锡的IVa族元素,其中Y表示磷 或氮,其中R表示可以相同或不同的烷基,其中烷基含有1至约8个碳原子,并且其中A表示含有1至约8个碳原子的亚烷基; (2)向活性橡胶状聚合物中加入六烷基环三硅氧烷单体; (3)使六烷基环三硅氧烷单体聚合以制备含有活性聚硅氧烷的橡胶; 和(4)使含有活性聚硅氧烷的橡胶与选自卤化锡和卤化硅的偶合剂反应,生成含有橡胶的偶联聚硅氧烷。
    • 5. 发明授权
    • Synthesis of soluble functionalized lithium initiators
    • 可溶性官能化锂引发剂的合成
    • US07906682B2
    • 2011-03-15
    • US12686768
    • 2010-01-13
    • Adel Farhan HalasaWen-Liang Hsu
    • Adel Farhan HalasaWen-Liang Hsu
    • C07C221/00C07C225/00C08F8/00C08F32/00C08F132/00C08F232/00
    • B60C1/0016C07F1/005C07F1/02C08C19/44C08F36/04C08F4/488
    • This invention discloses a process for making dilithium initiators in high purity. This process can be conducted in the absence of amines which is desirable since amines can act as modifiers for anionic polymerizations. The dilithium compounds made are highly desirable because they are soluble in aromatic solvents. The present invention also discloses a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said beads, wherein said tread is adapted to be ground-contacting, and wherein said tread is a cured the rubber formulation which is comprised of (a) at least one rubbery polymer containing functional groups of the structural formula: wherein R, R′ and R″ can be the same or different, wherein R is selected from the group consisting of hydrogen atoms, alkyl groups, aryl groups, alkaryl groups, and amino aryl groups, and wherein R′ and R″ represent alkyl groups alkyl groups that contain from 1 to 8 carbon atoms, and (b) at least one member selected from the group consisting of carbon black and silica.
    • 本发明公开了一种制备高纯度二锂引发剂的方法。 该方法可以在不存在胺的情况下进行,因为胺可以用作阴离子聚合的改性剂。 所制备的二锂化合物是非常需要的,因为它们可溶于芳族溶剂。 本发明还公开了一种轮胎,其包括具有外圆周胎面的大致环形胎体,两个间隔开的胎圈,从胎圈到胎圈延伸的至少一个帘布层和从所述胎面径向延伸并将所述胎面连接到所述胎圈的侧壁,其中 所述胎面适于与地面接触,并且其中所述胎面是固化的橡胶配方,其由(a)至少一种含有以下结构式的官能团的橡胶状聚合物组成:其中R,R'和R“可以是 相同或不同,其中R选自氢原子,烷基,芳基,烷芳基和氨基芳基,其中R'和R“表示含有1至8个碳的烷基基团 原子,和(b)选自碳黑和二氧化硅中的至少一种。
    • 8. 发明授权
    • Dendrimers of rubbery polymers
    • 橡胶聚合物的树枝状聚合物
    • US07612147B2
    • 2009-11-03
    • US11176457
    • 2005-07-07
    • Adel Farhan HalasaWen-Liang HsuChad Aaron Jasiunas
    • Adel Farhan HalasaWen-Liang HsuChad Aaron Jasiunas
    • C08C19/25C08F8/18C08F36/04C08J3/24
    • C08C19/44B60C1/0016C08G83/003C08L15/00C08L101/005Y10T152/10Y10T152/10495
    • This invention discloses a process for synthesizing a dendrimer of a rubbery polymer comprising: (a) reacting a lithium terminated rubbery polymer with a halogenated silicon containing compound to produce a polymer which is terminated with halogenated silicon moieties, wherein the halogenated silicon contain compound has at least four halogen atoms which are bonded directly to silicon atoms, wherein the ratio of the lithium terminated rubbery polymer to halogen atoms in the halogenated silicon containing compound is within the range of 2:n to (n−1):n, wherein n represents the number of halogen atoms that are bonded directly to silicon atoms in the halogenated silicon containing compound, wherein the halogenated silicon containing compound contains at least three halogen atoms which are bonded directly to a silicon atom; (b) reacting the polymer which is terminated with halogenated silicon moieties with a molar excess of a tertiary alcohol to produce a polymer which is terminated with hydroxy silyl moieties; and (c) allowing the polymer which is terminated with the hydroxy silyl moieties to couple under conditions sufficient to produce a dendrimer containing siloxane linkages. It has also be found that similar dendrimers having improved processability can be make utilizing halogenated tin containing compounds in stead of the halogenated silicon containing compound.
    • 本发明公开了一种用于合成橡胶状聚合物树枝状聚合物的方法,其包括:(a)使锂封端的橡胶状聚合物与含卤化硅的化合物反应以制备用卤化硅部分封端的聚合物,其中卤化硅含有化合物在 至少四个与硅原子直接键合的卤素原子,其中锂封端的橡胶状聚合物与含卤化硅化合物中的卤素原子的比例在2:n至(n-1):n的范围内,其中n表示 与卤代硅化合物中的硅原子直接键合的卤素原子数,其中含卤化硅的化合物含有至少三个与硅原子直接键合的卤素原子; (b)将用卤代硅部分封端的聚合物与摩尔过量的叔醇反应,以产生用羟基甲硅烷基部分封端的聚合物; 和(c)使在羟基甲硅烷基部分封端的聚合物在足以产生含有硅氧烷键的树枝状聚合物的条件下偶联。 还可以发现,具有改进加工性能的类似树枝状大分子可以利用含卤化锡的化合物代替含卤化硅的化合物。
    • 9. 发明申请
    • Catalyst System for Synthesizing Amine Functionalized Rubbery Polymers
    • 用于合成胺官能化橡胶聚合物的催化剂体系
    • US20080161519A1
    • 2008-07-03
    • US11616986
    • 2006-12-28
    • Adel Farhan HalasaWen-Liang Hsu
    • Adel Farhan HalasaWen-Liang Hsu
    • C08F2/00
    • C08F36/04C08F4/48C08F4/54
    • The present invention is directed to a catalyst system for synthesizing rubbery polymers, such as polybutadiene rubber, styrene-butadiene rubber, isoprene-butadiene rubber, or styrene-isoprene-butadiene rubber, that are amine functionalized and have a high trans or high vinyl microstructure. The catalyst system, in one embodiment, includes an organolithium amine compound, and one or more of (a) a group IIa metal salt of an amino glycol or a glycol ether, (b) an organoaluminum compound, or (c) an amine compound. The amine functionalized rubbery polymers can be utilized in tire tread rubbers where the rubbery polymers may provide desirable wear properties without substantially sacrificing other performance characteristic(s), e.g., traction properties.
    • 本发明涉及用于合成胺官能化并具有高反式或高乙烯基显微组织的橡胶状聚合物如聚丁二烯橡胶,苯乙烯 - 丁二烯橡胶,异戊二烯 - 丁二烯橡胶或苯乙烯 - 异戊二烯 - 丁二烯橡胶的催化剂体系 。 在一个实施方案中,催化剂体系包括有机锂化合物和(a)氨基二醇或二醇醚的IIa族金属盐,(b)有机铝化合物或(c)胺化合物 。 胺官能化橡胶状聚合物可用于轮胎胎面橡胶中,其中橡胶状聚合物可提供期望的耐磨性,而基本上不会牺牲其它性能特征,例如牵引性能。
    • 10. 发明授权
    • Tire with a tread comprising a rubbery polymer of a functionalized monomer
    • 具有包含官能化单体的橡胶状聚合物的胎面的轮胎
    • US07222650B2
    • 2007-05-29
    • US10429382
    • 2003-05-05
    • Adel Farhan HalasaWen-Liang HsuKenneth Allen BatesShingo Futamura
    • Adel Farhan HalasaWen-Liang HsuKenneth Allen BatesShingo Futamura
    • B60C1/00C08F26/06
    • B60C1/0016C08K3/013Y10S152/905C08L19/006
    • This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consisting of wherein R and R′ can be the same or different and represent allyl, alkoxyl or alkyl groups containing from 1 to about 10 carbon atoms, and wherein X represents a halogen atom, and wherein m represents an integer from 4 to about 10, and wherein X represents a halogen atom; and (2) reacting the vinyl halide containing secondary amine with a vinyl magnesium halide to produce the monomer having a structural wherein R and R′ can be the same or different and represent alkyl, allyl or alkoxyl groups containing from 1 to about 10 carbon atoms, and wherein m represents an integer from about 4 to about 10.
    • 本发明公开了一种合成胺官能化单体的方法,其包括(1)使仲胺与2,3-二卤代丙烯反应以制备含有仲胺的乙烯基卤化物,所述仲胺具有选自下组的结构式:其中R和R' 可以相同或不同,表示含有1至约10个碳原子的烯丙基,烷氧基或烷基,其中X表示卤素原子,其中m表示4至约10的整数,并且其中X表示卤素原子 ; 和(2)使含有乙烯基卤的仲胺与乙烯基卤化镁反应以制备具有结构的单体,其中R和R'可以相同或不同并且表示含有1至约10个碳原子的烷基,烯丙基或烷氧基 ,并且其中m表示约4至约10的整数。