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：JP2008101226A

公开(公告)日：2008-05-01

申请号：JP2007298376

申请日：2007-11-16

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

Inventor： MATSUMURA HIDEO ,  TSUTSUI YASUTAKA

IPC: C08J9/18

Abstract: PROBLEM TO BE SOLVED: To provide expandable resin particles of a styrene-modified linear low density polyethylene that can give a foamed molded body that improves its rigidity, while retaining the excellent impact resistance, known as an excellent property of polyethylene resin, in addition, shows excellent dimension stability, without crosslinking polyethylene chains.
SOLUTION: The expandable resin particles of the styrene-modified linear low density polyethylene comprises a volatile blowing agent and a base resin, the base resin contains more than 50 to 1,000 pts.wt. of a polystyrene-based resin component to 100 pts.wt. of a non-crosslinked linear low density polyethylene-based resin component, wherein the base resin contains less than 2 wt.% of a gel component comprising a graft polymer of the polystyrene-based resin component and the low density polyethylene-based resin component wherein when a foamed molded body having a density of 33 kg/cm
3 is formed, the foamed molded body has a falling ball impact value of ≥60 cm.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了提供苯乙烯改性的线性低密度聚乙烯的可发性树脂颗粒，其可以赋予提高其刚性的发泡成型体，同时保持优异的抗冲击性，被称为聚乙烯树脂的优异性能， 此外，显示出优异的尺寸稳定性，没有交联聚乙烯链。 解决方案：苯乙烯改性的线性低密度聚乙烯的可发性树脂颗粒包含挥发性发泡剂和基础树脂，基础树脂含有超过50至1,000重量份。 的聚苯乙烯类树脂组分至100重量份 的非交联线性低密度聚乙烯类树脂组分，其中所述基础树脂含有小于2重量％的包含聚苯乙烯基树脂组分和低密度聚乙烯基树脂组分的接枝聚合物的凝胶组分，其中 当形成密度为33kg / cm 3 / SP>的发泡成型体时，发泡成型体的落球冲击值为≥60cm。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006111862A

公开(公告)日：2006-04-27

申请号：JP2005214188

申请日：2005-07-25

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

Inventor： TSUTSUI YASUTAKA ,  MATSUMURA HIDEO

IPC: C08F255/02 ,  C08F2/44 ,  C08F4/38 ,  C08F12/14 ,  C08J9/18 ,  C08L23/26

Abstract: PROBLEM TO BE SOLVED: To provide black styrene-modified polyethylene-based resin particles, excellent in blackness, while keeping rigidity, impact resistance, and chemical resistance good, and capable of giving a foamed molded product in which remaining of a styrene monomer is sharply decreased.
SOLUTION: This method for producing the black styrene-modified polyethylene-based resin particles comprises subjecting a styrene-based monomer to suspension polymerization in the presence of polymerization initiators in a dispersion which is formed by dispersing carbon-containing polyethylene-based resin particles in an aqueous suspension containing a dispersing agent, wherein a first polymerization initiator which generates a tertiary alkoxy radical and has a 10-hr half-life temperature of ≤100°C and a second polymerization initiator which comprises 2,2-bis(t-butylperoxy)butane are together used as the polymerization initiators.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 待解决的问题：提供黑色度优异的黑色苯乙烯改性聚乙烯类树脂颗粒，同时保持刚性，耐冲击性和耐化学性良好，并且能够得到发泡模制产品，其中保留苯乙烯 单体急剧下降。 解决方案：该黑色苯乙烯改性聚乙烯类树脂粒子的制造方法包括在聚合引发剂的存在下将苯乙烯系单体进行悬浮聚合，所述分散体是通过分散含碳聚乙烯系树脂 含有分散剂的水性悬浮液中的颗粒，其中产生叔烷氧基并具有10分钟半衰期温度≤100℃的第一聚合引发剂和包含2,2-双（t 丁基过氧）丁烷一起用作聚合引发剂。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005097555A

公开(公告)日：2005-04-14

申请号：JP2004231186

申请日：2004-08-06

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

Inventor： INADA OSAKUNI ,  MATSUMURA HIDEO ,  TSUTSUI YASUTAKA ,  MORIOKA IKUO

IPC: C08J9/18 ,  C08F255/02

Abstract: PROBLEM TO BE SOLVED: To provide an olefin modified polystyrene-based pre-expansion particle which can be used to produce a foamed molding having an excellent rigidity, chemical resistance and impact resistance.
SOLUTION: The olefin modified polystyrene-based pre-expansion particle comprises a polystyrene-based pre-expansion particle modified by polyolefin-based resin, and a styrene-based monomer is used for forming the polystyrene-based resin in a range of 100-1,000 pts.wt. to a 100 pts.wt. polyolefin-based resin, and the particle has a bulk density of 0.012-0.20 g/cm
3 and an infrared absorption spectrum obtained by infrared spectroscopic analysis of a surface of the particle using ATR-method shows that a ratio of absorbance at 698 cm
-1 and 2,850 cm
-1 (D
698 /D
2850 ) is within the range of 0.1-2.5.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供可用于生产具有优异的刚性，耐化学性和耐冲击性的发泡模制品的烯烃改性聚苯乙烯基预膨胀颗粒。 解决方案：烯烃改性聚苯乙烯基预膨胀颗粒包括由聚烯烃基树脂改性的聚苯乙烯基预膨胀颗粒，苯乙烯基单体用于形成聚苯乙烯基树脂的范围 100-1,000 pts.wt 到100磅 聚烯烃类树脂，并且该颗粒的体积密度为0.012-0.20g / cm 3，并且通过使用ATR方法对颗粒的表面进行红外光谱分析获得的红外吸收光谱表明， 在698厘米 -1和2850厘米 -1之间的吸光度比（D 698 / D 2850 ）在 范围为0.1-2.5。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2014189769A

公开(公告)日：2014-10-06

申请号：JP2013069200

申请日：2013-03-28

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

Inventor： TERASAKI SHINGO ,  MORISHIMA NAOYA ,  TSUTSUI YASUTAKA

IPC: C08J9/16 ,  C08J9/228

Abstract: PROBLEM TO BE SOLVED: To provide modified polystyrenic foamable resin particles affording a significantly abbreviated aging period in days and resistant to heat chaps during a high-temperature storage; a method for manufacturing the same; foam particles; and a foam molding.SOLUTION: The problem-solving modified polystyrenic foamable resin particles are modified polystyrenic foamable resin particles including: a polystyrenic resin; a polyacrylic acid alkyl ester resin; a foaming agent; and an aging accelerator wherein the polyacrylic acid alkyl ester resin exists within the polystyrenic resin as particulates having an average particle diameter of 30-1000 nm and wherein the aging accelerator is a hydroxy fatty acid amide.

Abstract translation: 要解决的问题：提供改进的聚苯乙烯发泡树脂颗粒，其在高温储存期间提供几天的显着缩短的老化时间和耐热裂纹; 其制造方法; 泡沫颗粒; 和泡沫成型。解决方案：解决问题的改性聚苯乙烯发泡树脂颗粒是改性聚苯乙烯发泡树脂颗粒，包括：聚苯乙烯树脂; 聚丙烯酸烷基酯树脂; 发泡剂; 和其中聚丙烯酸烷基酯树脂作为平均粒径为30-1000nm的微粒存在于聚苯乙烯树脂内的老化促进剂，其中老化促进剂是羟基脂肪酸酰胺。

公开(公告)号：JP2011058006A

公开(公告)日：2011-03-24

申请号：JP2010286346

申请日：2010-12-22

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

Inventor： TSUTSUI YASUTAKA ,  OZAWA MASAHIKO

IPC: C08J9/18 ,  C08L23/00 ,  C08L25/00

Abstract: PROBLEM TO BE SOLVED: To provide a foamable composite resin particle for long-term preservation for which an ordinary closed container (including bag-shaped type) can be used to permit large amount transportation.
SOLUTION: The foamable composite resin particle for long-term preservation contains 500 to 4,500 ppm of moisture and 7.5 to 11.0 wt.% of pentane in a composite resin of a polyolefin-based resin and a polystyrene-based resin, and the composite resin includes 100 pts.wt. of polyolefin-based resin and 110 to 730 pts.wt. of polystyrene-based resin and is applied for long-term preservation in -5°C or lower.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种用于长期保存的可发泡复合树脂颗粒，其中可以使用通常的密封容器（包括袋形）以允许大量运输。 解决方案：长期保存的发泡性复合树脂颗粒在聚烯烃类树脂和聚苯乙烯类树脂的复合树脂中含有500〜4500ppm的水分和7.5〜11.0重量％的戊烷， 复合树脂包括100重量份 的聚烯烃类树脂和110〜730重量份 的聚苯乙烯类树脂，适用于-5℃以下的长期保存。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010222529A

公开(公告)日：2010-10-07

申请号：JP2009074078

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 ,  C08L23/00 ,  C08L25/04

Abstract: PROBLEM TO BE SOLVED: To provide a frozen-stored expandable composite resin particle 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 wet manufacturing method for the expandable composite resin particles comprises a step of adding pentane as an expanding agent to composite resin particles 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 an aqueous medium to impregnate the resin particles with 7.5-11.0 wt.% of pentane, and a step of freezing the pentane-impregnated composite resin particles taken out of the aqueous medium.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 待解决的问题：提供一种包含聚烯烃树脂和聚苯乙烯树脂并含有戊烷的冷冻储存可膨胀复合树脂颗粒，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经解冻 ，预发泡粒子不处于具有芯的状态，或者在具有芯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湿式制造方法包括在（T + 10）°范围内的温度下，将包含聚烯烃树脂和聚苯乙烯树脂的复合树脂颗粒作为发泡剂的戊烷添加的步骤 在具有7.5-11.0重量％戊烷浸渍树脂颗粒的水性介质中，C至（T + 40）℃，T（℃）为戊烷的沸点，以及将戊烷浸渍 复合树脂颗粒从水介质中取出。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2008081746A

公开(公告)日：2008-04-10

申请号：JP2007298384

申请日：2007-11-16

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

Inventor： MATSUMURA HIDEO ,  TSUTSUI YASUTAKA

IPC: C08J9/18 ,  C08J3/12 ,  C08J9/00 ,  C08J9/14 ,  C08J9/16 ,  C08J9/232

CPC classification number: C08J9/16 ,  C08F255/02 ,  C08J9/0061 ,  C08J2203/14 ,  C08J2323/08 ,  C08J2351/00 ,  C08J2425/00 ,  C08F212/08

Abstract: PROBLEM TO BE SOLVED: To obtain a foamed molded body having improved rigidity and excellent dimensional stability upon heating, while keeping their excellent resistance to impact, which is an inherent property of a polyethylene resin, without cross-linking polyethylene chains.
SOLUTION: Expandable resin particles of a styrene-modified straight-chain low-density polyethylene-based resin comprise a base resin and a volatile blowing agent. The base resin contains more than 300 pts.wt. and not larger than 1,000 pts.wt. of a styrene-based resin component relative to 100 pts.wt. of a non-crosslinked straight-chain low-density polyethylene-based resin component. The base resin contains 2-40 wt.% of a gel component comprising a graft copolymer of the low-density polyethylene-based resin component and the styrene-based resin component. If the expandable particles are foam-molded to have density of 33 kg/m
3 , the obtained foams have a falling ball impact value of not smaller than 85 cm.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了获得在加热时具有改进的刚性和优异的尺寸稳定性的发泡成型体，同时保持其优异的耐冲击性（聚乙烯树脂的固有性质），而不会聚乙烯链。 解决方案：苯乙烯改性的直链低密度聚乙烯类树脂的可发性树脂颗粒包括基础树脂和挥发性发泡剂。 基础树脂含有超过300重量份 不大于1,000磅 的苯乙烯基树脂组分相对于100重量份 的非交联的直链低密度聚乙烯类树脂组分。 基础树脂含有2-40重量％的包含低密度聚乙烯基树脂组分和苯乙烯基树脂组分的接枝共聚物的凝胶组分。 如果可发泡颗粒被发泡成型为具有33kg / m 3 / SP 3的密度，则所获得的泡沫具有不小于85cm的落球冲击值。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2011189742A

公开(公告)日：2011-09-29

申请号：JP2011091149

申请日：2011-04-15

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

Inventor： MATSUMURA HIDEO ,  INADA OSAKUNI ,  TSUTSUI YASUTAKA

IPC: B29C44/00 ,  B29K23/00 ,  B29K25/00 ,  B29K105/04 ,  C08J9/12 ,  C08J9/228

Abstract: PROBLEM TO BE SOLVED: To provide a foamed molding having void which has excellent heat insulation, lightness and sound absorption, improved chemical resistance and bending strength. SOLUTION: In the method of manufacturing a foamed molding having the void, the foamed molding having 5-50% porosity is obtained by foaming a styrene modified polyolefin based resin pre-expanded particle containing 100-1,000 pts.wt. styrene based resin component to 100 pts.wt. polyolefin resin component having 0.012-0.20 g/cm 3 bulk density, the ratio (D 698 /D 2850 ) of 0,1-2.5 in the absorbance in 698 cm -1 and the absorbance in 2,850 cm -1 obtained by infrared absorption spectrum of the particle surface measured by ART process infrared spectroscopic analysis and containing 51-90 wt.% polyolefin in the surface of the particle. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供具有绝热性，亮度和吸声性，改善的耐化学性和弯曲强度的具有空隙的发泡模制品。 解决方案：在制造具有空隙的发泡模制品的方法中，通过将含有100-1,000重量份的苯乙烯改性聚烯烃基树脂预发泡颗粒发泡，得到孔隙率为5-50％的发泡模塑件。 苯乙烯基树脂组分至100重量份 具有0.012-0.20g / cm 3的堆积密度的聚烯烃树脂组分，0.1-2.5的比例（D 698 / D 2850 ） 在通过ART法红外光谱分析测量的颗粒表面的红外吸收光谱获得的在698cm -1 中的吸光度和在2,850cm -1的吸光度 -1 90重量％的聚烯烃在颗粒表面。 版权所有（C）2011，JPO＆INPIT