公开(公告)号：WO2015163083A1

公开(公告)日：2015-10-29

申请号：PCT/JP2015059418

申请日：2015-03-26

Applicant: SEKISUI PLASTICS

Inventor： TAKAYAMA MAYUMI ,  TAKENAKA TOSHIKI ,  KUSAKA AKIYOSHI ,  GOTO TAKASHI

IPC: C08F2/18 ,  C08L101/00 ,  C09D7/12 ,  C09D201/00

CPC classification number: C08L33/12 ,  C08F2/18 ,  C08F212/08 ,  C08F220/14 ,  C08F265/04 ,  C08F265/06 ,  C08G18/6225 ,  C08L1/284 ,  C08L101/00 ,  C08L2205/025 ,  C08L2205/03 ,  C09D7/40 ,  C09D101/284 ,  C09D133/12 ,  C09D175/04 ,  C09D201/00 ,  G02B1/04 ,  C08F2222/1013 ,  C08F2216/1475 ,  C08F2220/286 ,  C08F2/22 ,  C08F230/02 ,  C08L51/003 ,  C08L51/02

Abstract: Provided are: a method for producing particles by suspension polymerization, the method having exceptional monomer dispersion stability and also making it possible to simplify a cleaning step; composite particles that can be obtained by this production method; and the use of these composite particles. This method for producing composite particles includes a step for conducting the aqueous suspension polymerization of a monomer mixture containing a polymerizable vinyl monomer in the presence of small polymer particles having a volume-average particle size of 20-500 nm with water-soluble celluloses adsorbed to the surface, and obtaining composite particles that contain these small polymer particles and large polymer particles larger than these small polymer particles.

Abstract translation: 提供：通过悬浮聚合制备颗粒的方法，该方法具有独特的单体分散稳定性，并且还可以简化清洗步骤; 可以通过该制造方法获得的复合颗粒; 并使用这些复合颗粒。 该复合粒子的制造方法包括在体积平均粒径为20〜500nm的小聚合物粒子的存在下，将含有可聚合乙烯基单体的单体混合物进行水悬浮聚合的步骤，其中吸附有水溶性纤维素 并且获得含有这些小聚合物颗粒和大于这些小聚合物颗粒的大聚合物颗粒的复合颗粒。

公开(公告)号：EP3135696A4

公开(公告)日：2018-01-24

申请号：EP15783244

申请日：2015-03-26

Applicant: SEKISUI PLASTICS

Inventor： ANDO MAYUMI ,  TAKENAKA TOSHIKI ,  KUSAKA AKIYOSHI ,  GOTO TAKASHI

IPC: C08F2/18 ,  C08F212/08 ,  C08F220/14 ,  C08F251/02 ,  C08F265/06 ,  C08L101/00 ,  C09D175/04 ,  C09D201/00

CPC classification number: C08L33/12 ,  C08F2/18 ,  C08F212/08 ,  C08F220/14 ,  C08F265/04 ,  C08F265/06 ,  C08G18/6225 ,  C08L1/284 ,  C08L101/00 ,  C08L2205/025 ,  C08L2205/03 ,  C09D7/40 ,  C09D101/284 ,  C09D133/12 ,  C09D175/04 ,  C09D201/00 ,  G02B1/04 ,  C08F2222/1013 ,  C08F2216/1475 ,  C08F2220/286 ,  C08F2/22 ,  C08F230/02 ,  C08L51/003 ,  C08L51/02

Abstract: There are provided a method for producing particles by suspension polymerization which ensures an excellent dispersion stability of the monomer and a simpler washing step, composite particles obtainable by this production method, and use of the composite particles. The method for producing composite particles includes a polymerization step of subjecting a monomer mixture which contains a polymerizable vinyl monomer to aqueous suspension polymerization in a presence of small polymer particles having a volume-average particle size of 20 to 500 nm, with a water-soluble cellulose compound adsorbing on surfaces of the small polymer particles, and thereby obtaining composite particles which contain the small polymer particles and large polymer particles greater than the small polymer particles.

公开(公告)号：EP3070106A4

公开(公告)日：2017-07-05

申请号：EP13897565

申请日：2013-11-13

Applicant: SEKISUI PLASTICS

Inventor： TAKENAKA TOSHIKI ,  TAKAYAMA MAYUMI ,  KUSAKA AKIYOSHI ,  NAKAMURA MASAAKI

IPC: C08F2/44 ,  C09D7/12 ,  C09D201/00

CPC classification number: C09D7/1216 ,  C08F2/18 ,  C08F2/44 ,  C08F220/14 ,  C08K3/36 ,  C09D7/40 ,  C09D7/61 ,  C09D133/12 ,  C09D201/00 ,  C08F2222/1013 ,  C08F2222/1026

Abstract: In a method for producing composite particles containing polymer particles and silica particles that adhere to the polymer particles, the composite particles are obtained by subjecting a polymerizable monomer to aqueous suspension polymerization in a presence of silica particles and a cellulose compound adsorbing onto the silica particles. The composite particles contain the polymer particles, the silica particles that adhere to surfaces of the polymer particles, and the water-soluble cellulose compound.

Abstract translation: 在生产含有聚合物颗粒和粘附到聚合物颗粒上的二氧化硅颗粒的复合颗粒的方法中，复合颗粒是通过使可聚合单体在二氧化硅颗粒和吸附在二氧化硅颗粒上的纤维素化合物存在下进行水悬浮聚合而获得的。 复合颗粒包含聚合物颗粒，附着于聚合物颗粒表面的二氧化硅颗粒和水溶性纤维素化合物。

公开(公告)号：JP2014189764A

公开(公告)日：2014-10-06

申请号：JP2013069173

申请日：2013-03-28

Applicant: Sekisui Plastics Co Ltd ,  積水化成品工業株式会社

Inventor： TAKENAKA TOSHIKI

IPC: C08F212/08 ,  C08J9/04

Abstract: PROBLEM TO BE SOLVED: To provide a polystyrenic resin composition for foaming capable of inhibiting attenuations of mechanical strengths even if the weight thereof is reduced.SOLUTION: The problem-solving polystyrenic resin composition for foaming includes, as constituent components of a matrix resin, a polyfunctional vinyl aliphatic compound and a component derived from a styrenic monomer, whereas the polyfunctional vinyl aliphatic compound has a molecular weight of 100 or higher and lower than 1000, whereas the matrix resin is obtained by polymerizing a monomer mixture including 300-3000 ppm of the polyfunctional vinyl aliphatic compound within the styrenic monomer, whereas the matrix resin is a resin exhibiting a ratio of the gradient (a) of the linear approximation line of a non-linear region specific to a logarithmically plotted time-elongational viscosity curve ascertained by measuring the monoaxial elongational viscosity thereof under conditions of temperature=160°C and fixed strain rate=0.1/sec with respect to the gradient (a) of the linear approximation line of a linear region specific to the same curve (a/a) greater than 2.0 and 6.0 or less.

Abstract translation: 要解决的问题：提供即使减轻其重量也能抑制机械强度衰减的发泡聚苯乙烯树脂组合物。解决方案：用于发泡的问题解决聚苯乙烯树脂组合物包括作为基质树脂的组成成分， 多官能乙烯基脂族化合物和来自苯乙烯类单体的成分，而多官能乙烯基脂族化合物的分子量为100以上且低于1000，而基质树脂是通过将包含300-3000ppm的 苯乙烯类单体中的多官能乙烯基脂族化合物，而基质树脂是表现出非线性区域的线性近似线的梯度（a）与对数绘制的时间 - 伸长粘度曲线的比值的比率， 单轴伸长粘度在温度= 160℃条件下固定 相对于大于2.0和6.0以下的相同曲线（a / a）特有的线性区域的线性近似线的梯度（a），列车速率= 0.1 /秒。

公开(公告)号：JP2014189762A

公开(公告)日：2014-10-06

申请号：JP2013069158

申请日：2013-03-28

Applicant: Sekisui Plastics Co Ltd ,  積水化成品工業株式会社

Inventor： TAKENAKA TOSHIKI

IPC: C08F2/01 ,  C08F2/16 ,  C08F12/08

Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for producing monomer composition droplets having high particle diameter uniformity.SOLUTION: Provided is an apparatus for producing monomer composition droplets comprising: a storage tank of an aqueous medium and; a nozzle having a plurality of open holes for discharging monomer composition droplets in the aqueous medium; a storage tank of the monomer composition; and a pump for supplying the monomer composition from the tank thereof to the nozzle. The pump has a constitution to supply the monomer composition to the nozzle intermittently so that an amount per droplet of the droplets discharged from the nozzle becomes 1.5×10to 1.5×10g/droplet.

Abstract translation: 要解决的问题：提供一种用于制备具有高粒径均匀性的单体组合物液滴的装置。解决方案：提供一种用于制备单体组合物液滴的装置，包括：水介质的储罐; 喷嘴，其具有用于在水介质中排出单体组合物液滴的多个开孔; 单体组合物的储罐; 以及用于将单体组合物从其罐供给到喷嘴的泵。 泵具有间歇地向喷嘴供给单体组成的结构，使得从喷嘴排出的液滴数量为1.5×10〜1.5×10g /滴。