Process to remove silanol from the preparation of a modified polymer
    1.
    发明授权
    Process to remove silanol from the preparation of a modified polymer 有权
    从改性聚合物的制备中除去硅烷醇的方法

    公开(公告)号:US08952100B2

    公开(公告)日:2015-02-10

    申请号:US13128512

    申请日:2009-11-11

    CPC分类号: C08C2/02 C08C19/44

    摘要: The invention provides a method for a preparation of a polymer selected from the following: (a) modified interpolymer comprising, in polymerized form, a conjugated diene and an aromatic alpha-olefin, or (b) a modified polymer comprising, in polymerized form, a conjugated diene; and wherein said method comprising at least the following steps: polymerizing monomers comprising at least one conjugated diene monomer in at least one polymerization reactor, in the presence of at least one solvent, to form the polymer, optionally coupling a fraction of the polymer chains using at least one coupling agent, modifying the polymer with at least one modifying agent, in at least one reactor, in the presence of the at least one solvent, to form a modified polymer solution; optionally, contacting the modified polymer solution with at least one proton donating compound; contacting the modified polymer solution with water; removing the at least one solvent; contacting the removed solvent with at least one material that will react with, and/or adsorb, silanol to form a purified solvent, recirculating the purified solvent back to the at least one polymerization reactor or to a storage container.

    摘要翻译: 本发明提供了一种选自以下的聚合物的制备方法:(a)以聚合形式包含共轭二烯和芳族α-烯烃的改性互聚物,或(b)以聚合形式包含的改性聚合物, 共轭二烯 并且其中所述方法至少包括以下步骤:在至少一种聚合反应器中,在至少一种溶剂的存在下聚合包含至少一种共轭二烯单体的单体以形成聚合物,任选地使用 至少一种偶联剂,在至少一种反应器中,在至少一种溶剂的存在下,用至少一种改性剂改性聚合物,以形成改性的聚合物溶液; 任选地,使改性聚合物溶液与至少一种质子供体化合物接触; 使改性聚合物溶液与水接触; 去除所述至少一种溶剂; 使所除去的溶剂与至少一种将与硅烷醇反应和/或吸附硅烷醇的材料形成纯化的溶剂,将纯化的溶剂再循环回至少一个聚合反应器或储存容器。

    Process for preparing polystyrene having a high melt flow rate
    3.
    发明授权
    Process for preparing polystyrene having a high melt flow rate 有权
    具有高熔体流动速率的制备聚苯乙烯的方法

    公开(公告)号:US08912296B1

    公开(公告)日:2014-12-16

    申请号:US14366803

    申请日:2012-12-13

    摘要: Provided is a process for preparing polystyrene having a weight average molecular weight (Mw) in the range of 120,000-160,000 g/mol, a polydispersity in the range of 4-6 and a melt flow rate of at least 40 g/10 minutes by feeding styrene into a reaction system through which the styrene passes as a component of a reaction mixture as it is polymerized, the reaction system including an initial reaction zone (100) and a downstream reaction zone (200), comprising the steps of: polymerizing styrene in the initial reaction zone to form polystyrene having a Mw of greater than 300,000 g/mol and a polydispersity in the range 1.5-2.5, 10-30 wt. % of the styrene fed to the initial reaction zone being polymerized there, —and polymerizing styrene remaining in the reaction mixture in the downstream reaction zone, a chain transfer agent being mixed with the reaction mixture at the commencement of this reaction zone and optionally at one or more additional locations within this reaction zone. The polystyrene may be used to manufacture expandable polystyrene beads or polystyrene foam board.

    摘要翻译: 提供了制备聚苯乙烯的方法,其重均分子量(Mw)在120,000-160,000g / mol的范围内,多分散性在4-6,熔体流动速率至少为40g / 10分钟,通过 将苯乙烯进料到反应体系中,苯乙烯在反应体系中聚合时作为反应混合物的组分通过,反应体系包括初始反应区(100)和下游反应区(200),包括以下步骤:将苯乙烯 在初始反应区中形成Mw大于300,000g / mol并且多分散性在1.5-2.5,10-30重量%范围内的聚苯乙烯。 进料到初始反应区的苯乙烯的%%在那里聚合,并且在下游反应区中聚合保留在反应混合物中的苯乙烯,链转移剂在该反应区开始时与反应混合物混合,任选地在一个 或在该反应区内更多的附加位置。 聚苯乙烯可用于制造可发泡聚苯乙烯珠或聚苯乙烯泡沫板。

    Dynamic Mixing Pump
    4.
    发明申请
    Dynamic Mixing Pump 有权
    动态混合泵

    公开(公告)号:US20140286121A1

    公开(公告)日:2014-09-25

    申请号:US14294541

    申请日:2014-06-03

    IPC分类号: B29B7/46

    摘要: Apparatus (1) for admixing additives to a medium to be pumped, comprising at least one gear pump (2) for pumping a medium to be pumped, said gear pump (2) comprising at least one shaft (3) having a first driving torque; at least one injector (5) for introducing an additive into a medium to be pumped; at least one screw conveyor (6) for mixing said additive with said medium to be pumped, said screw conveyor having a second driving torque, and, characterized in that, the shaft (3) and the screw conveyor (6) are functionally connected, such that the first driving torque and the second driving torque are coupled.

    摘要翻译: 1.一种用于将添加剂混合到待泵送介质的装置(1),包括至少一个用于泵送要泵送的介质的齿轮泵(2),所述齿轮泵(2)包括至少一个具有第一驱动扭矩 ; 用于将添加剂引入要泵送的介质中的至少一个喷射器(5); 至少一个用于将所述添加剂与待泵送的介质混合的螺旋输送机(6),所述螺旋输送机具有第二驱动扭矩,并且其特征在于,所述轴(3)和所述螺旋输送机(6)在功能上相连, 使得第一驱动扭矩和第二驱动扭矩相耦合。

    MULTILAYERED CARBONATE SHEETS
    5.
    发明申请
    MULTILAYERED CARBONATE SHEETS 审中-公开
    多层碳酸纸

    公开(公告)号:US20130251954A1

    公开(公告)日:2013-09-26

    申请号:US13881214

    申请日:2010-10-26

    申请人: Mark Vreys

    发明人: Mark Vreys

    IPC分类号: E04B1/76 B29D24/00

    摘要: An extruded polycarbonate multi-walled sheet structure includes at least two and in some cases seven or more generally parallel spaced apart walls and a plurality of ribs extending the length of the sheet in a direction of extrusion and separating adjacent walls. The sheet structure has a total thickness greater than 40 mm and the polycarbonate has a melt viscosity ratio greater than about 4.5 measured at 260° C. wherein the melt viscosity ratio is a ratio of the viscosity at a shear rate of 100 s−1 to the viscosity at a shear rate of 0.1 s−1.

    摘要翻译: 挤出的聚碳酸酯多壁板结构包括至少两个并且在一些情况下包括七个或更多个大致平行的间隔开的壁和沿挤出方向延伸片材的长度并分隔相邻壁的多个肋。 片材结构的总厚度大于40mm,聚碳酸酯在260℃下的熔体粘度比大于约4.5,其中熔体粘度比是剪切速率为100s -1时的粘度与 剪切速率为0.1s-1时的粘度。

    Increased monomer conversion in emulsion polymerization
    6.
    发明授权
    Increased monomer conversion in emulsion polymerization 有权
    在乳液聚合中增加单体转化率

    公开(公告)号:US08481657B2

    公开(公告)日:2013-07-09

    申请号:US13143867

    申请日:2010-01-07

    摘要: A method for increasing the monomer conversion in a redox initiated emulsion polymerization has been discovered. The method comprises adding a composition comprising an effective amount of a substituted phenol to the polymerization medium. In this manner, high monomer conversion is obtained and the product has low gel contents and a low amount or no crosslinking.

    摘要翻译: 已经发现了在氧化还原引发的乳液聚合中增加单体转化率的方法。 该方法包括向聚合介质中加入包含有效量的取代酚的组合物。 以这种方式获得高单体转化率,并且产物具有低凝胶含量和低量或不交联。

    Microwave heatable monovinyl aromatic polymers
    8.
    发明授权
    Microwave heatable monovinyl aromatic polymers 失效
    微波可加热单乙烯基芳族聚合物

    公开(公告)号:US08058349B2

    公开(公告)日:2011-11-15

    申请号:US12742264

    申请日:2008-11-14

    摘要: A method for melt-processing a polymer of a monovinyl aromatic compound, such as styrene, is disclosed. The method may include heating a polymer of a monovinyl aromatic compound volumetrically with microwave energy, wherein the polymer of a monovinyl aromatic compound includes: a discontinuous rubber phase; and a continuous poly(monovinyl aromatic) phase comprising up to 49 weight percent of at least one of an acrylate comonomer and a vinyl cyanide comonomer.

    摘要翻译: 公开了一种熔融加工单乙烯基芳族化合物如苯乙烯的聚合物的方法。 该方法可以包括用微波能量体积式加热单乙烯基芳族化合物的聚合物,其中单乙烯基芳族化合物的聚合物包括:不连续的橡胶相; 和包含至多49重量%的丙烯酸酯共聚单体和乙烯基氰共聚单体中的至少一种的连续聚(单乙烯基芳族)相。

    Process for homo- or copolymerization of conjugated olefins
    9.
    发明授权
    Process for homo- or copolymerization of conjugated olefins 有权
    共轭烯烃的均相或共聚方法

    公开(公告)号:US07915194B2

    公开(公告)日:2011-03-29

    申请号:US12557121

    申请日:2009-09-10

    申请人: Sven K. H. Thiele

    发明人: Sven K. H. Thiele

    IPC分类号: B01J31/22 B01J31/14 C08F4/52

    摘要: Metal complexes, catalyst compositions containing the metal complexes, and processes for making the metal complexes and the catalyst compositions are described for the manufacture of polymers from ethylenically unsaturated addition polymerizable monomers. The metal complexes have chemical structures corresponding to one of the following formulae: wherein MI and MII are metals; T is nitrogen or phosphorus; P is a carbon, nitrogen or phosphorus atom; groups R1, R2 and R3 may be linked to each other; Y is a divalent bridging group; X, X1, and X2 are anionic ligand groups with certain exceptions; D is a neutral Lewis base ligand; and s, o, k, i, ii, p, m, a, b, c, d, e, t, and y are numbers as further described in the claims.

    摘要翻译: 描述了金属络合物,含有金属络合物的催化剂组合物,以及用于制备金属络合物和催化剂组合物的方法,用于由烯键式不饱和加成聚合单体制备聚合物。 金属络合物具有对应于下式之一的化学结构:其中MI和MII是金属; T是氮或磷; P是碳,氮或磷原子; 基团R 1,R 2和R 3可以彼此连接; Y是二价桥基; X,X1和X2是阴离子配体基团,有一些例外; D是中性路易斯碱配体; 并且s,o,k,i,ii,p,m,a,b,c,d,e,t和y是权利要求中进一步描述的数字。