公开(公告)号：EP2133372A4

公开(公告)日：2010-04-28

申请号：EP07860393

申请日：2007-12-27

Applicant: SEKISUI PLASTICS

Inventor： ISHIDA SHINJI ,  OZAWA MASAHIKO

IPC: C08F255/02 ,  C08F2/44 ,  C08F257/02 ,  C08J9/18 ,  C08L51/00 ,  C08L51/06

CPC classification number: C08F257/02 ,  B82Y30/00 ,  C08F255/02 ,  C08J5/005 ,  C08J9/0061 ,  C08J9/0066 ,  C08J9/0071 ,  C08J9/18 ,  C08J2325/04 ,  C08J2351/00 ,  C08J2423/00 ,  C08L23/10 ,  C08L25/06 ,  C08L51/003 ,  C08L51/06 ,  C08L2666/02 ,  C08L2666/04

Abstract: A carbon-containing modified polystyrene type resin particle of the present invention includes: a carbon-containing polypropylene type resin, and a polystyrene type resin in an amount of not less than 100 parts by weight but less than 400 parts by weight per 100 parts by weight of the carbon-containing polypropylene type resin, wherein the polystyrene type resin ratio at the central part of the particle is at least 1.2 times the polystyrene type resin ratio of the overall particle, the polystyrene type resin ratio being calculated by using the ratio (D698/D1376) of absorbances at 698 cm -1 and 1376 cm -1 which are obtained by infrared absorption spectra measured by ATR infrared spectroscopic analysis.

公开(公告)号：JP2013123851A

公开(公告)日：2013-06-24

申请号：JP2011273799

申请日：2011-12-14

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

Inventor： OZAWA MASAHIKO

IPC: B29B13/00 ,  B29K23/00 ,  B29K105/04 ,  C08F6/24 ,  C08F210/02 ,  C08F210/06 ,  C08F212/08 ,  C08J9/18 ,  C08K3/04 ,  C08L51/06

Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently reducing odor from a composite resin particle containing a polyolefin based resin and a polystyrene based resin.SOLUTION: The composite resin particle for manufacturing a foam molded product containing polyolefin-based resin and polystyrene-based resin is fluidized by a gas of (T-40)°C to (T-10)°C (T is softening temperature of composite resin particle) which is blown from the lower part of a container in the container, to reduce the odor of the composite resin particle to an odor level value of ≤200 in a 55°C measuring atmosphere, in a method for reducing the odor in the composite resin particles.

Abstract translation: 要解决的问题：提供一种有效降低含有聚烯烃类树脂和聚苯乙烯类树脂的复合树脂颗粒的气味的方法。 解决方案：用于制造含有聚烯烃类树脂和聚苯乙烯类树脂的发泡成型体的复合树脂颗粒通过（T-40）℃至（T-10）℃的气体（T为软化 复合树脂颗粒的温度），其在容器中从容器的下部吹出，在55℃的测量气氛中将复合树脂颗粒的气味降低至气味水平值≤200，在减少 复合树脂颗粒中的气味。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012214552A

公开(公告)日：2012-11-08

申请号：JP2011079188

申请日：2011-03-31

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

Inventor： OZAWA MASAHIKO ,  MORIMOTO SEIICHI

IPC: C08L23/10 ,  C08F255/02 ,  C08J9/18 ,  C08K3/04 ,  C08L25/04

Abstract: PROBLEM TO BE SOLVED: To provide polypropylene-based resin particles for seed polymerization, which can give a foamed molding having a high multiple, having black color, excellent in appearance, and having high slow retardancy.SOLUTION: The polypropylene-based resin particles for seed polymerization is characterized by including 2-10 pts.mass of carbon black in 100 pts.mass of resin particles containing the polypropylene-based resin as a resin component, and having a carbon black dispersion structure having an average area of 1.0×10to 9.9×10nmin a transmission electron microscope photograph obtained by photographing a 10 μm×10 μm portion of the resin particle surface at a magnification of 2000.

Abstract translation: 要解决的问题：提供聚丙烯类树脂颗粒，其可以得到具有黑色，外观优异，阻滞性高的高倍数的发泡模塑品。 解决方案：用于种子聚合的聚丙烯类树脂颗粒的特征在于，在100重量份的含有聚丙烯类树脂作为树脂成分的树脂颗粒中含有2-10质量度的炭黑，并且具有碳 平均面积为1.0×10 = 9.9×10 4 的黑色分散结构 2（倍）：（C）2013，JPO＆INPIT（C）2013，JPO＆INPIT

公开(公告)号：JP2011213900A

公开(公告)日：2011-10-27

申请号：JP2010084113

申请日：2010-03-31

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

Inventor： OZAWA MASAHIKO ,  KOBAYASHI MOKUKYO

IPC: C08J9/16

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing pre-foamed particles, which reduces foaming during pre-foaming, pre-foamed particles having excellent antistatic property and a foamed molded product.SOLUTION: The method for producing pre-foamed particles includes a step for impregnating thermoplastic resin particles having a Vicat softening point of 85-100°C with a volatile blowing agent and a first antistatic agent to give foamable thermoplastic resin particles, impregnating the obtained foamable thermoplastic resin particles with a second antistatic agent in the presence of an antifoaming agent and then pre-foaming the impregnated material to give pre-foamed particles. The pre-foaming is carried out by repeating a heating step for heating the inside of a pre-foaming tank and a cooling step for cooling the inside of the pre-foaming tank in this order.

Abstract translation: 要解决的问题：提供一种在预发泡期间减少起泡的预发泡颗粒的生产方法，具有优异抗静电性能的预发泡颗粒和发泡成型产品。方法：用于生产预发泡颗粒的方法包括 使用挥发性发泡剂和第一抗静电剂浸渍维卡软化点为85-100℃的热塑性树脂颗粒，得到可发泡热塑性树脂颗粒的步骤，在第二抗静电剂存在下将得到的可发泡热塑性树脂颗粒浸渍在第二抗静电剂中， 消泡剂，然后将浸渍的材料预发泡以产生预发泡颗粒。 预发泡通过重复加热预发泡罐内部的加热步骤和用于冷却预发泡罐内部的冷却步骤来进行。

公开(公告)号：JP2010222530A

公开(公告)日：2010-10-07

申请号：JP2009074090

申请日：2009-03-25

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

Inventor： TSUTSUI YASUTAKA ,  OZAWA MASAHIKO

IPC: C08J9/18 ,  C08J9/232

Abstract: PROBLEM TO BE SOLVED: To provide expandable composite resin particles comprising a polyolefin resin and a polystyrene resin and containing pentane, wherein, even if the expandable composite resin particles are pre-expanded without being thawed after frozen-stored, the pre-expanded particle becomes not in a state having a core, or has a low mixing ratio of the pre-expanded particle in a state having a core.
SOLUTION: The dry manufacturing method for the expandable composite resin particles comprises an impregnation step of adding pentane as an expanding agent to a composite resin article comprising a polyolefin resin and a polystyrene resin at a temperature within the range of (T+10)°C to (T+40)°C, T(°C) being the boiling point of pentane, in a closed system without using an aqueous medium to impregnate the resin particle with 7.5-11.0 wt.% of pentane, and a freezing step of freezing the pentane-impregnated composite resin particles taken out.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供包含聚烯烃树脂和聚苯乙烯树脂并且含有戊烷的可发性复合树脂颗粒，其中即使在冷冻储存之后可膨胀复合树脂颗粒被预扩张而不进行融化， 膨胀粒子不处于具有核的状态，或者在具有核的状态下具有低的预发泡粒子的混合比。 解决方案：可膨胀复合树脂颗粒的干法制备方法包括在包含聚烯烃树脂和聚苯乙烯树脂的复合树脂制品中在（T + 10）范围内的温度下加入戊烷作为发泡剂的浸渍步骤 ）℃至（T + 40）℃，T（℃）为戊烷的沸点，在封闭体系中，不使用水性介质以7.5-11.0重量％的戊烷浸渍树脂颗粒， 冷冻浸出的戊烷浸渍复合树脂颗粒的冷冻步骤。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2008266583A

公开(公告)日：2008-11-06

申请号：JP2008047793

申请日：2008-02-28

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

Inventor： ISHIDA SHINJI ,  OZAWA MASAHIKO

IPC: C08L25/04 ,  C08F2/44 ,  C08F255/02 ,  C08J9/232 ,  C08K3/04 ,  C08K5/29 ,  C08L23/10

Abstract: PROBLEM TO BE SOLVED: To provide a foam-molded article of a carbon-containing modified polystyrene resin that is improved in defects possessed by both a foam-molded article of a polystyrene resin and a foam-molded article of a polypropylene resin and is excellent in chemical resistance, heat resistance, foam moldability and the like. SOLUTION: Carbon-containing modified polystyrene resin particles contain a carbon-containing polypropylene resin and contain a polystyrene resin in an amount of not less than 100 pts.mass to less than 400 pts.mass based on 100 pts.mass of the carbon-containing polypropylene resin in which the proportion of the polystyrene resin in the central part of the particle, as calculated from the ratio of the absorbance at 698 cm -1 to the absorbance at 1,376 cm -1 (D 698 /D 1376 ) measured in an infrared absorption spectrum of the central part of the particle when determined by infrared spectroscopic analysis by the ATR method, is 1.2 or more times the proportion of the polystyrene resin in the whole particle. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种改进了聚苯乙烯树脂的发泡成型制品和聚丙烯树脂的发泡成型制品所具有的缺陷的含碳改性聚苯乙烯树脂的发泡成型体 耐化学性，耐热性，发泡成型性等优异。 解决方案：含碳改性聚苯乙烯树脂颗粒含有含碳聚丙烯树脂，并且含有不少于100个聚苯乙烯树脂的聚苯乙烯树脂至少于400个聚苯乙烯树脂，基于100个聚碳酸酯 含碳聚丙烯树脂，其中根据698cm -1的吸光度与1,376cm 的吸光度的比率计算的颗粒中心部分中的聚苯乙烯树脂的比例， 在通过ATR方法的红外光谱分析测定时，在颗粒的中心部分的红外吸收光谱中测量的-1 （D 698 / D 1376 是聚苯乙烯树脂在整个颗粒中的比例的1.2倍以上。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008239793A

公开(公告)日：2008-10-09

申请号：JP2007082127

申请日：2007-03-27

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

Inventor： ISHIDA SHINJI ,  OZAWA MASAHIKO

IPC: C08F255/02 ,  C08J9/18

Abstract: PROBLEM TO BE SOLVED: To provide a modified polystyrene resin foamed molded product having the excellent chemical resistance, heat resistance, foaming molding property, and the like by improving shortcomings of both polystyrene resin foamed molded product and polypropylene resin foamed molded product. SOLUTION: The modified polystyrene resin particle contains 100 mass parts and more and less than 400 mass parts of a polystyrene resin with respect to 100 mass parts of a polypropylene resin. It has a ratio of the polystyrene resin at the particle central part calculated by the absorbance ratio (D 698 /D 1376 ) at 698 cm -1 and 1,376 cm -1 obtained from infrared absorption spectra of the particle central part measured by the ATR method infrared spectroscopic analysis is 1.2 or more times with respect to the polystyrene resin ratio of the total particles. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：通过改善聚苯乙烯树脂发泡成型体和聚丙烯树脂发泡成型体的缺点，提供具有优异的耐化学性，耐热性，发泡成型性等的改性聚苯乙烯树脂发泡成型体。 解决方案：相对于100质量份聚丙烯树脂，改性聚苯乙烯树脂粒子含有100质量份以上且小于400质量份的聚苯乙烯树脂。 它具有通过吸光度比（D 698 / D 1376 ）在698cm -1 SP SP下的聚苯乙烯树脂在颗粒中心部分的比例 >和通过ATR法红外光谱分析测定的粒子中心部分的红外吸收光谱获得的1,376厘米 -1 相对于总粒子的聚苯乙烯树脂比为1.2倍以上。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2010202752A

公开(公告)日：2010-09-16

申请号：JP2009049212

申请日：2009-03-03

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

Inventor： TSUTSUI YASUTAKA ,  OZAWA MASAHIKO

IPC: C08J9/18

CPC classification number: C08J9/18 ,  C08J9/0061 ,  C08J9/141 ,  C08J2203/14 ,  C08J2325/06 ,  C08J2351/06 ,  C08J2423/00

Abstract: PROBLEM TO BE SOLVED: To provide foamable composite resin particles for long-term preservation, which are used in an ordinary closed container (bag-shaped container) so as to be transported in a large amount. SOLUTION: The foamable composite resin particles for long-term preservation comprises at least a composite resin of a polyolefin-based resin and a polystyrene-based resin, water in an amount of 500-5,000 ppm contained in the composite resin and 7.5-11.0 wt.% of pentane. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 待解决的问题：提供用于长期保存的可发泡复合树脂颗粒，其用于普通的密闭容器（袋状容器）中以便大量输送。 解决方案：用于长期保存的可发泡复合树脂颗粒至少包括聚烯烃基树脂和聚苯乙烯基树脂的复合树脂，复合树脂中含有500-5,000ppm的水和7.5 -11.0重量％的戊烷。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009263639A

公开(公告)日：2009-11-12

申请号：JP2009068288

申请日：2009-03-19

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

Inventor： TSUTSUI YASUTAKA ,  OZAWA MASAHIKO ,  NAKAGAITO SHIRO

IPC: C08J9/18 ,  C08L51/06

Abstract: PROBLEM TO BE SOLVED: To provide a foam molded body excellent in crack resistance; and to provide a foamable styrene-modified polyolefin-based resin particle excellent in retainability of a foaming agent and capable of maintaining high foamability over a long period of time. SOLUTION: This foamable styrene-modified polyolefin-based resin particle contains 100 pts.wt. of polyolefin-based resin, 120 to 560 pts.wt. of polystyrene-based resin, and the foaming agent. The foamable styrene-modified polyolefin-based resin particle is a foamable resin particle with which a pre-foamed particle can be formed with a value A/B being 2 to 6 wherein the value is obtained by dividing the average air bubble diameter A of bubbles contacting the skin layer of the pre-foamed particle by the average air bubble diameter B of bubbles passing through the point of a half of the radius of the pre-foamed particle when the pre-foamed particle obtained by pre-foaming the foamable styrene-modified polyolefin-based resin particle with 50 to 60 times in bulkiness is imaged by a scanning electron microscope at the section of a cut divided into two portions from the surface of the pre-foamed particle to the center. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供抗裂性优异的发泡成型体; 并且提供发泡剂保持性优异且能够长期保持高发泡性的发泡性苯乙烯改性聚烯烃类树脂颗粒。 解决方案：该可发泡苯乙烯改性的聚烯烃基树脂颗粒含有100重量份 的聚烯烃类树脂，120〜560重量份 的聚苯乙烯类树脂和发泡剂。 可发泡苯乙烯改性聚烯烃基树脂颗粒是可以形成A / B值为2至6的预发泡颗粒的可发泡树脂颗粒，其中该值通过将气泡的平均气泡直径A除以 当预发泡颗粒通过预发泡苯乙烯 - 共聚物的预发泡颗粒获得的预发泡颗粒时，将预发泡颗粒的表层与通过预发泡颗粒半径的点的气泡的平均气泡直径B接触， 通过扫描电子显微镜在从预发泡颗粒的表面分成两部分的切割部分到中心，将具有50至60倍蓬松度的改性聚烯烃基树脂颗粒成像。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2013203863A

公开(公告)日：2013-10-07

申请号：JP2012073849

申请日：2012-03-28

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

Inventor： MORIMOTO SEIICHI ,  OZAWA MASAHIKO

IPC: C08F255/04 ,  C08J9/18

Abstract: PROBLEM TO BE SOLVED: To provide a polystyrene-based modified resin particle which can provide a foam molded article having improved compression set.SOLUTION: Provided is a modified resin particle which includes a polyacrylate-based resin dispersed in a composite resin particle containing a polyolefin-based resin and a polystyrene-based resin.

Abstract translation: 要解决的问题：提供一种聚苯乙烯改性树脂颗粒，其可以提供具有改进的压缩变形的发泡模塑制品。解决方案：提供一种改性树脂颗粒，其包含分散在含有聚烯烃的复合树脂颗粒中的聚丙烯酸酯基树脂 基树脂和聚苯乙烯类树脂。