公开(公告)号：JP2013121998A

公开(公告)日：2013-06-20

申请号：JP2011270375

申请日：2011-12-09

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

Inventor： OZAWA MASAHIKO ,  MORISHIMA NAOYA

IPC: C08J3/20 ,  C08F2/44 ,  C08J9/14 ,  C08K3/04 ,  C08L23/10

Abstract: PROBLEM TO BE SOLVED: To provide a simple method of manufacturing seed particles for obtaining composite resin particles with low contents of fine particles and aggregated particles.SOLUTION: The method of manufacturing the seed particles includes extruding the resin composition that at least contains polypropylene-based resin from a die maintained at 300-340°C, and cutting the obtained extrudate in a water stream at a water stream temperature of 30-60°C to thereby obtain the seed particles.

Abstract translation: 要解决的问题：提供一种制造种子颗粒的简单方法，以获得具有低含量的细颗粒和凝集颗粒的复合树脂颗粒。 解决方案：种子颗粒的制造方法包括将至少含有聚丙烯类树脂的树脂组合物从保持在300-340℃的模头挤出，并以水流温度将所得挤出物在水流中切割 30-60℃，从而得到种子颗粒。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2013076041A

公开(公告)日：2013-04-25

申请号：JP2011218339

申请日：2011-09-30

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

Inventor： MORISHIMA NAOYA ,  OZAWA MASAHIKO

IPC: C08F255/02 ,  C08J9/18 ,  C08J9/232

Abstract: PROBLEM TO BE SOLVED: To provide a composite resin particle that decreases the adhesion of polyethylene resin particles, a foaming composite resin particle, a preliminary foamed particle, and to provide a foamed molding that controls the deterioration in appearance.SOLUTION: The composite resin particle includes the polyethylene resin in which the retention time has a peak in the range of at least 26 minutes and at most 28 minutes in a GC/MS chart. The foaming composite resin particle includes: the composite resin particle; and a volatile blowing agent. The preliminary foamed particle is obtained by making the foaming composite resin particle to be performed with preliminary foaming. The foamed molding is obtained by performing foam forming by using the preliminary foamed particle.

Abstract translation: 要解决的问题：提供降低聚乙烯树脂颗粒，发泡复合树脂颗粒，预发泡颗粒的粘附性的复合树脂颗粒，并提供控制外观劣化的发泡模制品。 解决方案：在GC / MS图中，复合树脂颗粒包括保留时间在至少26分钟和至多28分钟范围内具有峰值的聚乙烯树脂。 发泡复合树脂颗粒包括：复合树脂颗粒; 和挥发性发泡剂。 通过使发泡性复合树脂颗粒进行预发泡来获得预发泡颗粒。 通过使用预发泡颗粒进行泡沫成形获得发泡成型体。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2013006966A

公开(公告)日：2013-01-10

申请号：JP2011140944

申请日：2011-06-24

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

Inventor： MORISHIMA NAOYA ,  OZAWA MASAHIKO

IPC: C08F2/44 ,  C08F255/02 ,  C08J9/18

Abstract: PROBLEM TO BE SOLVED: To provide: a composite resin particle, which includes a polyethylene resin and a resin obtained by polymerizing a vinyl aromatic monomer, capable of settling environmental issues and depletion of a fossil fuel source; an foamable composite resin particle; a pre-foamed particle; and an foamed molded product.SOLUTION: This composite resin particle includes: a plant-derived polyethylene resin having a bio-based content of ≥80% determined by ASTM; and a resin obtained by polymerizing ≥10 pts.mass and ≤1,000 pts.mass of a vinyl aromatic monomer with 100 pts.mass of the plant-derived polyethylene resin. The foamable composite resin particle includes: the composite resin particle containing the polyethylene resin and the resin obtained by polymerizing the vinyl aromatic monomer; and a volatile blowing agent. The pre-foamed particle is obtained by pre-foaming of the foamable composite resin particle. The foamed molded product is obtained by foaming molding of the pre-foamed particle.

Abstract translation: 待解决的问题：提供：复合树脂颗粒，其包括聚乙烯树脂和通过聚合乙烯基芳族单体获得的树脂，其能够沉降环境问题和化石燃料源的耗尽; 可发泡复合树脂颗粒; 预发泡颗粒; 和发泡成型品。 解决方案：该复合树脂颗粒包括：通过ASTM测定的生物基含量≥80％的植物衍生聚乙烯树脂; 以及通过将100重量份的植物衍生的聚乙烯树脂聚合到具有≥10磅/盎司的乙烯基芳族单体的聚合物中获得的树脂。 可发泡复合树脂颗粒包括：含有聚乙烯树脂的复合树脂颗粒和通过聚合乙烯基芳族单体获得的树脂; 和挥发性发泡剂。 预发泡颗粒通过可发泡复合树脂颗粒的预发泡获得。 发泡成型体通过预发泡粒子的发泡成型得到。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012214551A

公开(公告)日：2012-11-08

申请号：JP2011079177

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

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

Abstract: PROBLEM TO BE SOLVED: To provide composite resin particles which can give a foamed molding having a high multiple and excellent in impact resistance.SOLUTION: The composite resin particles are characterized by including 100 pts.mass of a polyethylene-based resin and 200-900 pts.mass of a polystyrene-based resin as resin components, wherein the polyethylene-based resin has a density of 0.900-0.916 g/cm, a melt flow rate of 1.0-5.0 g/10 min measured under a load of 2.16 kg at 190°C, and a vicat softening temperature of 88-95°C.

Abstract translation: 要解决的问题：提供可以得到具有高倍数和优异的耐冲击性的发泡成型体的复合树脂颗粒。 解决方案：复合树脂颗粒的特征在于包括100个聚乙烯基树脂和200-900个聚苯乙烯基树脂作为树脂组分的聚氨酯树脂，其中聚乙烯基树脂的密度为 0.900-0.916g / cm 3，在190℃在2.16kg负荷下测定的熔体流动速率为1.0-5.0g / 10min，维卡软化温度为 88-95℃。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012201861A

公开(公告)日：2012-10-22

申请号：JP2011070148

申请日：2011-03-28

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

Inventor： UKAWA TAKUJI ,  OZAWA MASAHIKO

IPC: C08J9/18

Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method for a pre-expanded resin particle comprising a polypropylene resin that attains, by high-pressure expansion, shortening of an expansion cycle and reduction of variation of expansion, a pre-expanded resin particle comprising a polypropylene resin obtained by the manufacturing method, and an expansion-molded product of the same.SOLUTION: The manufacturing method for the pre-expanded resin particle comprising a polypropylene resin comprises, in this order, a pre-expansion step of pre-expanding an expandable resin particle comprising a polypropylene resin in an expanding machine to obtain a pre-expanded resin particle comprising the polypropylene resin, a discharge step of discharging the pre-expanded resin particle comprising the polypropylene resin from the expanding machine, and a feeding step of feeding the expandable resin particle comprising the polypropylene resin as a pre-expansion raw material into the expanding machine, where the pre-expansion step is performed at a temperature T1 of 100°C or higher and 150°C or lower and the discharge step and the feeding step are performed at a temperature T2 of 80°C or higher and lower than 100°C.

Abstract translation: 解决问题的方案为了提供一种包含聚丙烯树脂的预发泡树脂颗粒的制造方法，所述聚丙烯树脂通过高压膨胀而缩短膨胀循环的缩短和膨胀变化的减小，预发泡树脂 包含通过制造方法获得的聚丙烯树脂的颗粒和其膨胀模制产品。 解决方案：包含聚丙烯树脂的预发泡树脂颗粒的制造方法依次包括在膨胀机中预膨胀包含聚丙烯树脂的可发性树脂颗粒的预膨胀步骤，以获得预膨胀 包括聚丙烯树脂的膨胀树脂颗粒，从膨胀机排出包含聚丙烯树脂的预发泡树脂颗粒的排出步骤和将包含聚丙烯树脂的可发性树脂颗粒作为预膨胀原料的进料步骤 进入到在100℃以上且150℃以下的温度T1进行预膨胀工序的膨胀机，在80℃以上的温度T2下进行放电工序和进料工序， 低于100°C。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012131057A

公开(公告)日：2012-07-12

申请号：JP2010283160

申请日：2010-12-20

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

Inventor： OZAWA MASAHIKO ,  UKAWA TAKUJI

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

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a foam molding improved in a fusion rate and heating dimensional stability while reducing the amount of water vapor used.SOLUTION: The method for producing the foam molding includes carrying out a molding die heating process (I), a one-side heating process (II), an opposite side heating process (III), and a both-side heating process (IV) to prefoamed particles containing polypropylene resin and polystyrene resin, optionally in the molding die. The both-side heating process (IV) is carried out for 20 seconds or more in a closed system, and the processes (I)-(IV) meet conditions of an expression a+b+c

Abstract translation: 解决的问题：提供一种在减少所用水蒸气量的情况下，提高熔融率和加热尺寸稳定性的发泡成形体的制造方法。 解决方案：用于生产泡沫塑料的方法包括进行成型模具加热工艺（I），单面加热工艺（II），相对侧加热工艺（III）和双面加热工艺 （IV）至预成型的含有聚丙烯树脂和聚苯乙烯树脂的颗粒，任选地在成型模具中。 双面加热方法（IV）在封闭体系中进行20秒以上，方法（I） - （IV）满足a + b + c

公开(公告)号：JP2011058008A

公开(公告)日：2011-03-24

申请号：JP2010289759

申请日：2010-12-27

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

Inventor： ISHIDA SHINJI ,  OZAWA MASAHIKO

IPC: C08F255/02 ,  C08J9/16 ,  C08J9/22

CPC classification number: C08J9/18 ,  C08F255/02 ,  C08J9/0061 ,  C08J9/228 ,  C08J2201/032 ,  C08J2323/10 ,  C08J2325/04 ,  C08J2423/00 ,  C08J2425/00 ,  C08L23/10 ,  C08L25/04 ,  C08L25/06 ,  C08L2205/22 ,  Y10T428/249953 ,  Y10T428/249972 ,  Y10T428/2982 ,  Y10T428/2998 ,  C08F212/08 ,  C08L2666/06

Abstract: PROBLEM TO BE SOLVED: To provide a styrene-modified polypropylene-based resin foamed molded product excellent in mechanical properties and chemical resistance, etc., by modifying weak points of both of a polystyrene-based resin foamed molded product and a polypropylene-based resin foamed molded product. SOLUTION: A method for producing the styrene-modified polypropylene-based resin product comprises a first polymerization process for carrying out the first polymerization of a styrene-based monomer at a temperature range of (T-10) to (T+20)°C, wherein the melting point of the polypropylene-based resin is T°C, and a process for, following the first polymerization process, adding the styrene-based monomer and a polymerization initiator thereto and performing impregnation of the styrene-based monomer to the polypropylene-based resin particles and a second polymerization process at a temperature of (T-25) to (T+15)°C. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 待解决的问题：通过改变聚苯乙烯类树脂发泡成型体和聚丙烯两者的弱点，提供机械性能和耐化学性等优异的苯乙烯改性聚丙烯类树脂发泡成型体 基树脂发泡成型体。 苯乙烯改性聚丙烯类树脂制品的制造方法包括在（T-10）〜（T + 20）的温度范围进行苯乙烯系单体的第一聚合的第一聚合方法 ）℃，其中聚丙烯类树脂的熔点为T℃，并且在第一聚合方法之后，将苯乙烯类单体和聚合引发剂加入其中并进行苯乙烯类单体的浸渍 在（T-25）〜（T + 15）℃的温度下进行第二次聚合。 版权所有（C）2011，JPO＆INPIT

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：JP2008239910A

公开(公告)日：2008-10-09

申请号：JP2007086305

申请日：2007-03-29

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

Inventor： FUTAMURA NAOYUKI ,  OZAWA MASAHIKO

IPC: C08J3/12 ,  C08J9/18

Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing modified polystyrenic resin particles which is superior in foaming moldability and the like, is satisfactorily reduced in the amount of a volatile matter and a smell in the resultant modified polystyrenic resin.
SOLUTION: The method of manufacturing modified polystyrenic resin particles is characterized by carrying out, two times or more, a process wherein modified polystyrene particles are put into a pressure container, then the temperature in the pressure container is made to be (T-60)°C to (T-30)°C when Vicat softening temperature of the modified polystyrenic resin particle is assumed to be T°C, carbon dioxide is introduced under a pressure so that the pressure in the pressure container is 10 MPa or higher, and after impregnating the modified polystyrenic resin particles with the carbon dioxide by keeping the state, wherein the ratio of the volume of the modified polystyrenic resin particles to the volume of the pressure container is made to be 1/3 or smaller, for one hour or longer, the pressure of the pressure container is released to extract and remove the volatile matter and smell remaining in the modified polystyrenic resin particles.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 待解决的问题：为了提供发泡成型性等优异的改性聚苯乙烯树脂颗粒的制造方法，在所得改性聚苯乙烯树脂中挥发物质和气味的量令人满意地减少。 解决方案：改性聚苯乙烯树脂颗粒的制造方法的特征在于进行两次或更多次的改性聚苯乙烯颗粒放入压力容器中，然后使压力容器中的温度为（T -60）℃至（T-30）℃，当改性聚苯乙烯树脂颗粒的维卡软化温度为T℃时，在压力容器内的压力为10MPa的压力下引入二氧化碳，或 并且在通过保持状态将改性聚苯乙烯树脂颗粒浸渍在改性聚苯乙烯树脂颗粒中之后，其中将改性聚苯乙烯树脂颗粒的体积与压力容器的体积的比率设为1/3或更小 小时或更长时间，释放压力容器的压力以提取并除去残留在改性聚苯乙烯树脂颗粒中的挥发物和气味。 版权所有（C）2009，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