公开(公告)号：JP2010180354A

公开(公告)日：2010-08-19

申请号：JP2009026303

申请日：2009-02-06

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

Inventor： NAKAGAITO SHIRO ,  TSUTSUI YASUTAKA ,  OZAWA MASAHIKO

IPC: C08J9/18 ,  C08L101/00

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a foamable thermoplastic resin particle which can reduce production cost.
SOLUTION: This method for producing a foamable thermoplastic resin particle includes bringing a thermoplastic resin particle into contact with and impregnated with a liquid volatile foaming agent in the absence of a dispersion medium while the plastic resin particle is immersed beneath the liquid level of the volatile foaming agent to obtain a foamable thermoplastic resin particle.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 待解决的问题：提供可以降低生产成本的可发泡热塑性树脂颗粒的制造方法。 解决方案：用于制造可发泡热塑性树脂颗粒的方法包括在不存在分散介质的情况下使热塑性树脂颗粒与液体挥发性发泡剂接触并浸渍，同时将塑料树脂颗粒浸入到 挥发性发泡剂得到可发泡热塑性树脂颗粒。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2005281595A

公开(公告)日：2005-10-13

申请号：JP2004100178

申请日：2004-03-30

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

Inventor： MATSUMURA HIDEO ,  TSUTSUI YASUTAKA

IPC: C08J9/16 ,  C08F2/44 ,  C08F255/00 ,  C08K3/22 ,  C08L23/26

Abstract: PROBLEM TO BE SOLVED: To provide colored styrene modified polyolefin resin particles, etc., with scarce remaining styrene monomer. SOLUTION: The invention relates to the styrene modified polyolefin resin particles obtained by modifying polyolefin resin particles with styrene, wherein the polyolefin resin particles are compounded with particles of iron oxide. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 待解决的问题：提供着色苯乙烯改性聚烯烃树脂颗粒等与少量残留的苯乙烯单体。 解决方案：本发明涉及通过用苯乙烯改性聚烯烃树脂颗粒而获得的苯乙烯改性聚烯烃树脂颗粒，其中聚烯烃树脂颗粒与氧化铁颗粒复合。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2011026436A

公开(公告)日：2011-02-10

申请号：JP2009173140

申请日：2009-07-24

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

Inventor： OZAWA MASAHIKO ,  TSUTSUI YASUTAKA

IPC: C08J9/18 ,  C08J9/12

Abstract: PROBLEM TO BE SOLVED: To provide foamable composite resin particles capable of obtaining a foam molded article having excellent crack resistance and small dispersion in antistatic performance.
SOLUTION: The foamable composite resin particle includes 100 pts.wt. of a polyolefin-based resin, 120-560 pts.wt. of a polystyrene-based resin, and a foaming agent and is provided with a surface layer including a cationic antistatic agent. A prefoamed particle is formed with a value A/B obtained by dividing an average bubble diameter A of the bubble in contact with the skin layer of the prefoamed particle by an average bubble diameter B of the bubble passing through the point at the half of the radius of the prefoamed particle of 2-6 when a cross section of a section obtained by dividing the prefoamed particle obtained when the particle is prefoamed into two, passing through the center from the surface is photographed using a scanning electron microscope. Further, the surface coating amount of the cationic antistatic agent is 0.2-2.0 wt.% based on the foamable composite resin particle.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供能够获得具有优异的抗裂性和抗静电性能分散性低的发泡成型体的发泡性复合树脂颗粒。

解决方案：可发泡复合树脂颗粒包括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，并且设置有包含阳离子抗静电剂的表面层。 通过将通过将预发泡粒子的表皮层接触的气泡的平均气泡直径A除以气泡的平均气泡直径B通过通过该半泡的一半的点而获得的值A / B，形成预发泡粒子 当使用扫描电子显微镜拍摄通过将通过将从颗粒预发泡得到的预发泡颗粒分成两部分（通过中心）获得的部分的横截面时，预发泡颗粒的半径为2-6。 此外，阳离子抗静电剂的表面涂布量相对于可发泡复合树脂颗粒为0.2-2.0重量％。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2008133449A

公开(公告)日：2008-06-12

申请号：JP2007274354

申请日：2007-10-22

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

Inventor： MORIOKA IKUO ,  TSUTSUI YASUTAKA ,  MATSUMURA HIDEO

IPC: C08J9/18 ,  C08F2/44

Abstract: PROBLEM TO BE SOLVED: To provide an expandable polystyrenic resin particle which gives an expanded molded product having excellent crack resistance and retains high expandability over a long period of time by having excellent retainability of a foaming agent, its production method and the expanded molded product. SOLUTION: The expandable resin particle is produced by including a volatile foaming agent into a polystyrenic resin particle obtained through formation of a polystyrenic resin by impregnating a styrenic monomer into a polyolefinic resin particle followed by polymerizing the monomer. Where 140-600 pts.mass of the monomer on the basis of 100 pts.mass of the polyolefinic resin particle, is used; an average thickness of an outer skin layer is 15-150 μm and is observed by that after soaking a section obtained by halving the resin particle through the center from the surface of the particle, into tetrahydrofuran and extracting a polystyrenic resin component therefrom, the cross-section of the section is photographed so as to obtain a scanning electron microscope image, followed by observing the image; and 5.5-13.0 mass% of the foaming agent is contained. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 解决问题的方案：提供一种发泡性聚苯乙烯树脂颗粒，其通过具有优异的发泡剂保持性，得到具有优异的抗裂性和长时间保持高膨胀性的发泡成型体，其制造方法和膨胀 成型产品。 解决方案：通过将苯乙烯单体浸渍到聚烯烃树脂颗粒中，然后聚合单体，将挥发性发泡剂包括在通过形成聚苯乙烯树脂获得的聚苯乙烯树脂颗粒中来制备可发性树脂颗粒。 其中以聚苯乙烯树脂颗粒为100磅/吋的单体为140〜600质量份， 外皮层的平均厚度为15-150μm，并且通过将从树脂颗粒通过中心将颗粒从表面减半而获得的部分浸泡到四氢呋喃中并从其中提取聚苯乙烯树脂组分后，观察到交叉 对截面的截面进行拍摄，以获得扫描电子显微镜图像，然后观察图像; 含有5.5-13.0质量％的发泡剂。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008075076A

公开(公告)日：2008-04-03

申请号：JP2007212749

申请日：2007-08-17

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

Inventor： TSUTSUI YASUTAKA ,  ISHIDA SHINJI ,  OZAWA MASAHIKO

IPC: C08L25/06 ,  C08F255/02 ,  C08J9/04 ,  C08K3/04 ,  C08K5/3477 ,  C08L23/12

Abstract: PROBLEM TO BE SOLVED: To provide a styrene-modified polypropylene resin foam-molded article having excellent flame retardancy, while retaining rigidity, impact resistance and chemical resistance. SOLUTION: The polystyrene-modified polypropylene resin particle contains 100-400 pts.mass polystyrenic resin, on the basis of 100 pts.mass polypropylene resin. The resin particle is characterized by containing 1.5-8.0 pts.mass of a flame retardant mainly constituted of tris(2,3-dibromopropyl)isocyanurate, based on 100 pts.mass of the resin particle. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供具有优异阻燃性的苯乙烯改性聚丙烯树脂发泡模塑制品，同时保持刚性，耐冲击性和耐化学性。 解决方案：聚苯乙烯改性的聚丙烯树脂颗粒在100 pts.mass聚丙烯树脂的基础上含有100-400 pts.mass聚苯乙烯树脂。 该树脂颗粒的特征在于含有1.5-8.0质量份主要由三（2,3-二溴丙基）异氰脲酸酯构成的阻燃剂，基于100个树脂颗粒。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006088456A

公开(公告)日：2006-04-06

申请号：JP2004275392

申请日：2004-09-22

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 ,  C08J9/228 ,  C08L23/00

Abstract: PROBLEM TO BE SOLVED: To provide a foamed molded product having voids excellent in heat insulating properties, lightweight properties and sound absorbing properties and having enhanced chemical resistance and bending strength.
SOLUTION: The foamed molded product having voids is obtained by the foam molding of styrene modified polyolefinic resin prefoamed particles, which is characterized in that bulk density is 0.012-0.20 g/cm
3 and an absorbance ratio (D
698 /D
2850 ) at a wavelength of 698-2,850 cm
-1 obtained from the infrared absorbing spectrum of the surfaces of particles measured by ATR infrared ray spectral analysis is 0.1-2.5 and comprise a composition wherein 100-1,000 pts.wt. of a styrenic resin component is contained in 100 pts.wt. of a polyolefinic resin component, and has a void ratio of 5-50%.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供具有隔热性，轻质性和吸音性优异，耐化学性和弯曲强度优异的空隙的发泡成型体。 解决方案：具有空隙的发泡成型体通过苯乙烯改性聚烯烃树脂预发泡粒子的发泡成型获得，其特征在于堆积密度为0.012-0.20g / cm 3 SP＆gt;和吸光度 在从颗粒表面的红外吸收光谱获得的波长为698-2,850cm -1的波长比（D 698 / D 2850 ） 通过ATR红外光谱分析测量为0.1-2.5，并且包含其中100-1,000重量份 的苯乙烯树脂成分含量为100重量份 的聚烯烃树脂成分，空隙率为5-50％。 版权所有（C）2006，JPO＆NCIPI