PROCESS FOR PRODUCING (METH)ACRYLIC RESIN COMPOSITION
    1.
    发明公开
    PROCESS FOR PRODUCING (METH)ACRYLIC RESIN COMPOSITION 审中-公开
    生产(甲基)丙烯酸树脂组合物的方法

    公开(公告)号:EP3263610A1

    公开(公告)日:2018-01-03

    申请号:EP16755674.5

    申请日:2016-02-26

    申请人: Kuraray Co., Ltd.

    IPC分类号: C08F6/10 C08F2/02 C08F20/14

    摘要: A method for producing a (meth) acrylic resin composition, comprising: continuously feeding reaction starting materials to a tank reactor, the reaction starting materials comprising a polymerizable monomer component, a chain transfer agent and a radical polymerization initiator, the polymerizable monomer component comprising 50 to 100% by mass of methyl methacrylate, 0 to 20% by mass of an acrylic acid alkyl ester and 0 to 30% by mass of an additional monomer; conducting bulk polymerization of the polymerizable monomer component at a polymerization conversion ratio of 40 to 70% by mass to obtain a liquid containing a (meth)acrylic resin; continuously feeding the resulting liquid to a vented extruder to separate volatile component from the (meth)acrylic resin; conducting distillation using an atmospheric distillation column to separate the volatile component into a high boiling fraction (C 1 ) and a low boiling fraction (A 1 ); and conducting distillation using a vacuum distillation column having a pressure of -50 kPaG to -101 kPaG at the top of the vacuum distillation column to separate the high boiling fraction (C 1 ) into a high boiling fraction (C 2 ) and a low boiling fraction (A 2 ); reusing the low boiling fraction (A 1 ) and the low boiling fraction (A 2 ) as part of the reaction starting materials.

    摘要翻译: 一种(甲基)丙烯酸类树脂组合物的制造方法,其特征在于,将反应原料连续地供给到罐式反应器中,所述反应原料包含聚合性单体成分,链转移剂和自由基聚合引发剂,所述聚合性单体成分含有50 至100质量%的甲基丙烯酸甲酯,0至20质量%的丙烯酸烷基酯和0至30质量%的另外的单体; 以40-70质量%的聚合转化率进行聚合性单体成分的本体聚合,得到含有(甲基)丙烯酸类树脂的液体; 将所得液体连续加入排气式挤出机中以从(甲基)丙烯酸树脂中分离挥发性组分; 使用常压蒸馏塔进行蒸馏以将挥发性组分分离成高沸点馏分(C1)和低沸点馏分(A1); 并使用真空蒸馏塔顶部的压力为-50kPaG至-101kPaG的减压蒸馏塔进行蒸馏,以将高沸点馏分(C1)分离成高沸点馏分(C2)和低沸点馏分(C2) A2); 重新使用低沸点馏分(A1)和低沸点馏分(A2)作为反应原料的一部分。

    PRODUCTION METHOD OF (METH)ACRYLIC RESIN COMPOSITION
    2.
    发明公开
    PRODUCTION METHOD OF (METH)ACRYLIC RESIN COMPOSITION 审中-公开
    VERFAHREN ZUR HERSTELLUNG EINER(METH)ACRYLHARZZUSAMMENSETZUNG

    公开(公告)号:EP3103819A1

    公开(公告)日:2016-12-14

    申请号:EP15745810.0

    申请日:2015-02-06

    申请人: Kuraray Co., Ltd.

    IPC分类号: C08F2/02 C08F20/14

    摘要: A (meth) acrylic resin composition is obtained by a method that comprises: preparing a liquid starting material (A) comprising methyl methacrylate, an acrylic acid alkyl ester and a chain transfer agent, having a mass ratio of the acrylic acid alkyl ester to the methyl methacrylate of 0/100 to 20/80, and having a dissolved oxygen concentration of not more than 50 ppm, preparing a liquid starting material (B) comprising a radical polymerization initiator, a polymerization inhibitor and methyl methacrylate, and having been maintained at a temperature of not more than 10°C in the presence of oxygen, continuously feeding the liquid starting material (A) and the liquid starting material (B) into a tank reactor, allowing bulk polymerization to proceed in the tank reactor at a polymerization conversion ratio of 40 to 70 % by mass to give a reaction product, and continuously discharging the reaction product from the tank reactor.

    摘要翻译: 通过以下方法获得(甲基)丙烯酸树脂组合物:包括:制备包含甲基丙烯酸甲酯,丙烯酸烷基酯和链转移剂的液体原料(A),其具有丙烯酸烷基酯与 甲基丙烯酸甲酯为0/100至20/80,溶解氧浓度不大于50ppm,制备包含自由基聚合引发剂,阻聚剂和甲基丙烯酸甲酯的液体原料(B),并保持在 在存在氧气的情况下不超过10℃的温度,将液体原料(A)和液体原料(B)连续进料到罐式反应器中,从而允许本体聚合在釜式反应器中进行聚合转化 比例为40〜70质量%,得到反应产物,并从反应器中连续排出反应产物。

    Hybrid-Partikel von Polymeren und Nanopartikeln

    公开(公告)号:EP2311909A1

    公开(公告)日:2011-04-20

    申请号:EP09013117.8

    申请日:2009-10-16

    申请人: Nanoresins AG

    摘要: Gegenstand der Erfindung ist ein Hybrid-Partikel, enthaltend mindestens zwei Vinylpolymere (Vinylpolymere A und B), wobei Vinylpolymer A kolloidale SiO 2 -Partikel mit einer mittleren Partikelgröße von 1 bis 150 nm enthält und Vinylpolymer B in der Lage ist, Hybrid-Partikel miteinander zu vernetzen.

    摘要翻译: 混合颗粒包含至少两种乙烯基聚合物(A和B),其中乙烯基聚合物A包含平均粒径为1-150nm的胶态二氧化硅颗粒,乙烯基聚合物B能够使混合颗粒彼此交联 。 还包括以下独立权利要求:(1)生产杂化颗粒,其包括(a)在第一聚合步骤中在胶态二氧化硅颗粒存在下聚合至少一种乙烯基单体,和(b)聚合至少一种乙烯基单体 在第二聚合步骤中在第一聚合步骤中获得的乙烯基聚合物的存在下, (2)包含所述混合颗粒的聚合物水分散体; 和(3)包含交联杂化颗粒的聚合材料,其中通过从聚合物分散体中除去水而获得聚合物材料。