Hardenable polyester molding materials
    1.
    发明授权
    Hardenable polyester molding materials 失效
    可硬化聚酯成型材料

    公开(公告)号:US4670485A

    公开(公告)日:1987-06-02

    申请号:US888647

    申请日:1986-07-25

    IPC分类号: C08L67/06 C08L63/10

    CPC分类号: C08L67/06

    摘要: A hardenable polyester molding material contains a mixture ofI. an ethylenically unsaturated ester or a terminally unsaturated vinyl ester,II. copolymerizable monomers,III. 6-25% by weight, based on I+II, or a graft polymer P, in which there are grafted onA. 5-95% by weight of an elastomeric polymer,B. 95-5% by weight of a polyadduct, polycondensate or acrylic polymer which contains olefinic double bonds, with or withoutC. 0-90% by weight of vinyl monomers, andIV. 5-300% by weight, based on I+II, of fibrous reinforcing agents.

    摘要翻译: 可硬化聚酯成型材料包含I。烯属不饱和酯或末端不饱和乙烯基酯的混合物,II。 可共聚单体,III。 6-25重量%,基于I + II,或接枝聚合物P,其中接枝在A上。5-95重量%的弹性体聚合物,B.95-5重量%的聚加合物, 含有或不含C 0〜90重量%乙烯基单体的烯属双键的缩聚物或丙烯酸类聚合物,以及IV。 基于I + II的5-300重量%的纤维增强剂。

    Thermoplastic granulates
    3.
    发明申请
    Thermoplastic granulates 审中-公开
    热塑性颗粒

    公开(公告)号:US20060202373A1

    公开(公告)日:2006-09-14

    申请号:US10549098

    申请日:2004-03-10

    IPC分类号: B29B9/06

    摘要: Pelletized materials based on at least one thermoplastically processable polymer, where the pellets have less than 10% of concave regions and otherwise are convex in every other region, this being determined by means of incident-light interference-contrast spectroscopy, by taking the average value for the ratios of the outline area to the entire outline area for an assembly of pellets.

    摘要翻译: 基于至少一种热塑性可加工聚合物的颗粒化材料,其中颗粒具有小于10%的凹陷区域,并且在另外的每个区域中是凸起的,这是通过入射光干涉对比度光谱法,通过取平均值 对于组装颗粒的轮廓区域与整个轮廓区域的比率。

    PROCESS FOR THE PRODUCTION OF A GRAFT COPOLYMER HAVING A BIMODAL PARTICLE DISTRIBUTION
    6.
    发明申请
    PROCESS FOR THE PRODUCTION OF A GRAFT COPOLYMER HAVING A BIMODAL PARTICLE DISTRIBUTION 审中-公开
    生产具有二次粒子分布的聚酯共聚物的方法

    公开(公告)号:US20100227965A1

    公开(公告)日:2010-09-09

    申请号:US12063162

    申请日:2006-08-03

    IPC分类号: C08L51/06

    摘要: A thermoplastic molding composition having reduced gloss sensitivity and no unpleasant odor is produced from a graft copolymer and a thermoplastic polymer. The graft copolymer is produced from a soft elastomeric particulate graft base obtained by emulsion polymerization of a conjugated diene alone or with a small amount of a monoethylenically unsaturated monomer, using an inorganic radical generating substance and a limited amount of chain transfer agent, upon which is grafted a vinyl aromatic monomer and acrylonitrile and optionally another monoethylenically unsaturated monomer using an inorganic radical generating substance while the use of a chain transfer agent is excluded. The thermoplastic polymer is a copolymer of a vinyl aromatic monomer and acrylonitrile and optionally an additional monoethylenically unsaturated monomer. The thermoplastic molding composition has a low level of unpleasant odor coupled with reduced gloss sensitivity and good mechanical properties.

    摘要翻译: 由接枝共聚物和热塑性聚合物制备具有降低的光泽灵敏度和无异味的热塑性模塑组合物。 接枝共聚物由软质弹性体颗粒接枝基质制得,该基质是通过使用无机自由基产生物质和有限量的链转移剂将共轭二烯单独或与少量单烯属不饱和单体进行乳液聚合而获得的, 在不使用链转移剂的情况下,使用无机自由基产生物接枝乙烯基芳族单体和丙烯腈以及任选的另一种单烯属不饱和单体。 热塑性聚合物是乙烯基芳族单体和丙烯腈和任选的另外的单烯属不饱和单体的共聚物。 热塑性模塑组合物具有低水平的令人不快的气味,同时具有降低的光泽灵敏度和良好的机械性能。

    Method for producing polybutadiene latex with an optimized thermal current profile
    7.
    发明授权
    Method for producing polybutadiene latex with an optimized thermal current profile 失效
    具有优化的热电流分布的聚丁二烯胶乳的生产方法

    公开(公告)号:US06852797B2

    公开(公告)日:2005-02-08

    申请号:US10257717

    申请日:2001-04-24

    摘要: A polybutadiene latex is prepared by a process in which butadiene is polymerized by free radical emulsion polymerization in the presence of initiator and, if required, dispersants and further conventional assistants, the polymerization being carried out in the presence of reactive comonomers in such a way that the heat flow of 43 watt/kg solids content of the polymerization mixture is not exceeded. Owing to the presence of reactive comonomers, the reaction rate at the beginning of the reaction is increased, with the result that an overall flatter heat flow profile is obtained. A preferred reactive comonomer is styrene. Preferably, the process is carried out by a semi-batch procedure in which (a) in a first stage, a portion of butadiene and at least one portion of reactive comonomer in the form of an aqueous emulsion are initially taken with a thermal polymerization initiator and, if required, dispersants and further conventional assistants and the polymerization is initiated, (b) in a second stage, the remaining amount of butadiene and, if required, the remaining amount of reactive comonomer are added undiluted or in the form of an aqueous emulsion, if required with dispersants and, if required, further conventional assistants, as a feed.

    摘要翻译: 聚丁二烯胶乳是通过一种方法制备的,其中丁二烯在引发剂存在下通过自由基乳液聚合聚合,如果需要的话,通过分散剂和其它常规助剂,聚合反应在反应性共聚单体的存在下进行,使得 不超过聚合混合物的43瓦特/千克固体含量的热流。 由于反应性共聚单体的存在,反应开始时的反应速率增加,结果得到整体平坦的热流分布。 优选的反应性共聚单体是苯乙烯。 优选地,该方法通过半间歇方法进行,其中(a)在第一阶段中,一部分丁二烯和至少一部分水性乳液形式的反应性共聚单体最初用热聚合引发剂 并且如果需要,分散剂和其它常规助剂并开始聚合,(b)在第二阶段中,剩余量的丁二烯和如果需要的话,反应性共聚单体的剩余量未稀释或以水性形式加入 乳液,如果需要与分散剂,并且如果需要,作为进料的其它常规助剂。

    Method for producing caoutchouc particles
    8.
    发明授权
    Method for producing caoutchouc particles 有权
    橡胶颗粒的制备

    公开(公告)号:US06723774B2

    公开(公告)日:2004-04-20

    申请号:US10221080

    申请日:2002-09-10

    IPC分类号: C08F3600

    摘要: The invention relates to a method for producing caoutchouc particles (K) by means of emulsion polymerisation in the presence of an emulsifier and a polymerisation initiator. Said particles contain A) 80 to 100 wt. % of one or more conjugated diene monomers (A) in relation to (K) and B) 0 to 20 wt. % of one or more monoethylenically unsaturated comonomers (B) in relation to (K) in the polymerised form. The inventive method is characterised in that 1) a mixture (M1) containing water and an emulsifier is provided, 2) a mixture (M2) containing one or more monomers in the monomer or polymerised form selected from styrole, &agr;-methylstyrole, butadiene, n-butylacrylate, MMA and acrylnitrile and optionally comonomers is added, 3) polymerisation of the obtained mixture starts in the presence of a polymerisation initiator at temperature of 5 to 95° C., 4) a mixture (M3) containing 0 to 100 wt. % of the comonomers (B) in relation to (B) and 0 to 25 wt. % of the diene monomers (A) in relation to (A) is added, 5) a mixture (M4) containing the (remaining) diene monomers (A) and the (remaining) comonomers (B) is proportioned and polymerised and 6) polymerisation is terminated when there is conversion of more than 90 and less than 95% in relation to the sum of the monomers.

    摘要翻译: 本发明涉及一种在乳化剂和聚合引发剂存在下,通过乳液聚合来生产酚醛树脂颗粒(K)的方法。 所述颗粒包含A)80至100重量% 一个或多个共轭二烯单体(A)相对于(K)和B)的%为0-20重量% %的一种或多种单烯属不饱和共聚单体(B)相对于聚合形式的(K)。 本发明的方法的特征在于:1)提供含有水和乳化剂的混合物(M1),2)含有一种或多种选自苯乙烯,α-甲基苯甲醛,丁二烯的单体或聚合形式的单体的混合物(M2) 丙烯酸正丁酯,MMA和丙烯腈和任选的共聚单体; 3)所得混合物的聚合在聚合引发剂存在下开始,温度为5至95℃,4)含有0-100重量份的混合物 。 共聚单体(B)的相对于(B)和0-25重量% 加入相对于(A)的二烯单体(A)的%,5)含有(剩余的)二烯单体(A)和(剩余的)共聚单体(B)的混合物(M4)成比例和聚合,和6) 当相对于单体的总和转化率大于90且小于95%时,聚合终止。

    Preparation of thermoplastics
    10.
    发明授权
    Preparation of thermoplastics 失效
    热塑性塑料的制备

    公开(公告)号:US5852113A

    公开(公告)日:1998-12-22

    申请号:US620309

    申请日:1996-03-22

    摘要: Toughened thermoplastics are prepared by mixing a water-moist elastomer component A containing up to 60% by weight of residual water with a thermoplastic polymer B and further polymers C and additives D in an extruder with mechanical dewatering of the elastomer component A, by a process in which the components A, B, C and D are fed to a twin-screw extruder which has corotating screws and essentially comprises, in the transport direction, at least one metering section in which the elastomer component A is fed to the extruder by a metering means, at least one squeeze section which serves for dewatering the component A and contains at least one retarding element and in each case at least one associated dewatering orifice, at least one section in which the thermoplastic polymer B is introduced as a melt into the extruder, at least one section provided with mixing, kneading or other plasticating elements or combinations of these elements, at least one devolatilization section which is provided with at least one devolatilization orifice and in which the residual water is removed as steam, and a discharge zone, the water emerging from the dewatering orifices being present partially or completely in the liquid phase, and the components C or D or mixtures thereof, together or separately from one another, being fed to one or more of the stated extruder sections, either together with the component A or B or mixtures thereof or separately from A and B.

    摘要翻译: 增韧的热塑性塑料通过将包含高达60重量%的残余水的水分润湿性组分A与热塑性聚合物B混合,并且在挤出机中将另外的聚合物C和添加剂D混合在一起,通过一种方法将该弹性体组分A机械脱水 其中将组分A,B,C和D进料到具有同向旋转螺杆的双螺杆挤出机中,并且在输送方向上基本上包括至少一个计量段,其中弹性体组分A通过 计量装置,至少一个挤压部分,其用于对部件A进行脱水并且包含至少一个延迟元件,并且在每种情况下包含至少一个相关联的脱水孔,至少一个部分,其中热塑性聚合物B作为熔体引入其中 挤出机,至少一个具有混合,捏合或其它塑化元件或这些元件的组合的部分,至少一个脱挥发段 与至少一个脱挥发孔一起使用,其中残留的水作为蒸汽除去,以及排出区,从脱水孔中排出的水部分或完全存在于液相中,以及组分C或D或其混合物, 一起或彼此分开地,被供给到一个或多个所述的挤出机部分,与组分A或B一起或其混合物或与A和B分开。