Continuous bulk polymerization reactor
    11.
    发明授权
    Continuous bulk polymerization reactor 失效
    连续本体聚合反应器

    公开(公告)号:US4460278A

    公开(公告)日:1984-07-17

    申请号:US337765

    申请日:1982-01-07

    摘要: Disclosed is a continuous bulk polymerization reactor comprising a cylindrical reaction vessel elongated in the direction of the reacting fluid and a shaft installed within the reaction vessel. A plurality of flow of double helical-ribbon agitators are attached to the shaft in such a way that they face in the same direction, and a plurality of baffles having a relative open area of 5 to 40% based on the cross-sectional area of the internal space of the reaction vessel, are disposed between any adjacent ones of the agitators. Thus the formation of stagnant fluid pockets is avoided and excellent piston flow properties are achieved.

    摘要翻译: 公开了一种连续本体聚合反应器,其包括在反应流体的方向上延伸的圆柱形反应容器和安装在反应容器内的轴。 多个双螺旋带搅拌器的流动以这样的方式附接到轴上,使得它们面向相同的方向,并且多个挡板的相对开口面积为5至40%,基于横截面积 反应容器的内部空间设置在任何相邻的搅拌器之间。 因此避免了滞留流体袋的形成,并且实现了优异的活塞流动特性。

    Process for producing rubber modified styrene resins
    12.
    发明授权
    Process for producing rubber modified styrene resins 失效
    制备橡胶改性苯乙烯树脂的方法

    公开(公告)号:US4388447A

    公开(公告)日:1983-06-14

    申请号:US323064

    申请日:1981-11-19

    摘要: Disclosed is a process for continuously producing rubber modified styrene resins wherein the rubbery phase including a rubber-like polymer is transformed into dispersed particles by using a reactor having both a helical-blade agitator mounted in a draft tube and an auxiliary agitator, by establishing a specified agitating force and a specified degree of circulation of the fluid within the reactor, and by maintaining a specified relation between the weight percentages, based on the total amount of all components within the reactor, of the rubber-like polymer and the monomer converted to polymer. According to this process, various grades of high-impact rubber modified styrene resins having excellent surface properties can be obtained without any adhesion of rubber-like matter to the reactor and without any formation of fisheyes in final products.

    摘要翻译: 公开了连续生产橡胶改性苯乙烯树脂的方法,其中通过使用具有安装在引流管和辅助搅拌器中的螺旋叶片搅拌器的反应器,将包括橡胶状聚合物的橡胶相转变成分散的颗粒,通过建立 指定的搅拌力和反应器内的流体的指定程度的循环,并且通过基于反应器内的所有组分的总量,将重量百分比之间的规定关系维持在橡胶状聚合物和转化为 聚合物。 根据该方法,可以获得具有优异表面性能的各种等级的高冲击橡胶改性苯乙烯树脂,而不会在反应器中没有橡胶状物质的粘附,并且在最终产品中没有形成鱼眼。

    Method of manufacturing rubber modified styrene resins
    13.
    发明授权
    Method of manufacturing rubber modified styrene resins 失效
    制备橡胶改性苯乙烯树脂的方法

    公开(公告)号:US4378452A

    公开(公告)日:1983-03-29

    申请号:US269011

    申请日:1981-07-01

    CPC分类号: C08F279/02

    摘要: A method of manufacturing rubber modified styrene resins comprising the 1st step of polymerizing a styrene monomer in the presence of a butadiene polymer and an organic peroxide at the ratio of 100 parts by weight, 3 to 15 parts by weight and 0 to 0.01 parts by weight respectively until the polymerization yield of the styrene monomer becomes 2 to 5 time more than the weight of the butadiene polymer, and the 2nd step of polymerizing the full amount of polymer mixture from the 1st step and 0 to 200 parts by weight of the fresh styrene monomer in the presence of 0.01 to 0.9 parts by weight of the organic peroxide until the polymerization yield of the styrene monomer becomes at least 1.5 times more than that of the 1st step. The molded product of the resin thus obtained shows an improved impact strength at the portions wherein polystyrene molecule orientation tends to occur.

    摘要翻译: PCT No.PCT / JP80 / 00270 Sec。 371日期1981年7月1日 102(e)日期1981年5月27日PCT提交1980年10月30日PCT公布。 出版物WO81 / 01291 日本公开1981年5月14日。一种制造橡胶改性苯乙烯树脂的方法,包括在100重量份比例为3〜15重量份的丁二烯聚合物和有机过氧化物存在下,使苯乙烯单体聚合的第1工序, 0至0.01重量份,直到苯乙烯单体的聚合产率比丁二烯聚合物的重量高2至5倍,第2步将聚合物混合物从第1步和0至200份聚合 的新鲜苯乙烯单体,在0.01至0.9重量份的有机过氧化物存在下,直到苯乙烯单体的聚合产率变得比第一步的至少1.5倍。 由此获得的树脂的模塑制品在聚苯乙烯分子取向倾向于发生的部分显示改善的冲击强度。

    Process for the preparation of polymer compositions having low volatile
content
    15.
    发明授权
    Process for the preparation of polymer compositions having low volatile content 失效
    制备挥发物含量低的聚合物组合物的方法

    公开(公告)号:US4537954A

    公开(公告)日:1985-08-27

    申请号:US587592

    申请日:1984-03-08

    CPC分类号: C08F6/10

    摘要: A continuous process for the preparation of polymer compositions having low volatile content which comprises passing a styrene polymer-containing polymerization fluid composition obtained by solution polymerization or bulk polymerization through a volatile component separator comprising vertical foaming preheaters and vacuum vessels directly connected therewith and thereby removing volatile components continuously from the polymerization fluid composition in three stages to obtain a polymer composition having low volatile content, the process being characterized in that each of three stages includes at least one vertical foaming preheater and one vacuum vessel, the first stage is carried out under such pressure and temperature conditions that the polymerization fluid composition leaving this stage contains said styrene polymer in an amount of 60 to 80% by weight and the temperature of the polymerization fluid composition passing through this stage lies between 70.degree. and 120.degree. C., the second stage is carried out under such pressure and temperature conditions that the molten polymer composition leaving this stage has a volatile content of not greater than 1% by weight and can retain good fluidity, and the third stage is carried out in such a way that devolatilization is effected at a pressure of 50 Torr or less in the presence of a highly volatile foaming agent.

    摘要翻译: 一种用于制备具有低挥发物含量的聚合物组合物的连续方法,其包括使通过溶液聚合或本体聚合获得的含苯乙烯聚合物的聚合流体组合物通过包含垂直发泡预热器和与其直接连接的真空容器的挥发性组分分离器,从而除去挥发性 组分连续地从聚合流体组合物中分三个阶段获得具有低挥发物含量的聚合物组合物,其特征在于,三个阶段中的每个阶段包括至少一个垂直发泡预热器和一个真空容器,第一阶段在这种情况下进行 离开该阶段的聚合流体组合物的压力和温度条件包含60至80重量%的所述苯乙烯聚合物,并且通过该阶段的聚合流体组合物的温度为70℃至120℃, 第二阶段在离开该阶段的熔融聚合物组合物具有不大于1重量%的挥发物含量并且可保持良好流动性的压力和温度条件下进行,第三阶段以如下方式进行:第 在高挥发性发泡剂的存在下,在50托或更低的压力下进行脱挥发分。

    Continuous process for producing rubber modified high-impact resins
    16.
    发明授权
    Continuous process for producing rubber modified high-impact resins 失效
    生产橡胶改性高冲击树脂的连续工艺

    公开(公告)号:US4587294A

    公开(公告)日:1986-05-06

    申请号:US545167

    申请日:1983-10-25

    CPC分类号: C08F279/04 Y10S525/942

    摘要: In a continuous bulk or solution polymerization process for producing rubber modified high-impact resins which comprises continuously feeding a raw material solution comprising a mixture of an aromatic vinyl monomer and a vinyl cyanide monomer and a rubber component dissolved in the mixture, together with a radical polymerization initiator, to a first reactor, polymerizing the raw material solution under high-shear agitation to a conversion required to transform the rubber component phase into dispersed particles, withdrawing the reaction mixture continuously from the first reactor at a rate corresponding to the feed rate of the raw material solution, and feeding the reaction mixture to a second or more reactors for further polymerization, rubber modified high-impact resins exhibiting excellent chemical resistance, thermal resistance and rigidity and having a good surface gloss can be produced by properly determining the weight ratio of the aromatic vinyl monomer to the vinyl cyanide monomer present in the raw material solution, the content of the rubber component in the raw material solution, the content of the solvent in the raw material solution, the property of the rubber component, the property of the radical polymerization initiator and the amount of initiator used, as well as the conversion of the monomers at the first reactor.

    摘要翻译: 在用于生产橡胶改性的高抗冲树脂的连续的本体或溶液聚合方法中,其包括连续地将包含芳族乙烯基单体和乙烯基氰单体的混合物的原料溶液和溶解在该混合物中的橡胶组分连同一起 聚合引发剂,在第一反应器中,在高剪切搅拌下将原料溶液聚合成将橡胶组分相转化成分散颗粒所需的转化率,将反应混合物从第一反应器连续地以对应于 原料溶液,并将反应混合物进料到第二个或更多个反应器用于进一步聚合,可以通过适当地确定重量比来制备具有优异的耐化学性,耐热性和刚性并且具有良好表面光泽度的橡胶改性的高冲击性树脂 的芳族乙烯基单体与乙烯基氰 存在于原料溶液中的原料溶液中的原料溶液中的橡胶组分的含量,原料溶液中的溶剂含量,橡胶组分的性质,自由基聚合引发剂的性质和引发剂的量 使用,以及在第一反应器处的单体的转化。