公开(公告)号：JP2014047228A

公开(公告)日：2014-03-17

申请号：JP2012188856

申请日：2012-08-29

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

Inventor： ISAYAMA AKIRA ,  OWAKI KOKI

IPC: C08J9/14

Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a thermoplastic polyester-based resin foam sheet excellent in terms of deep draw moldability.SOLUTION: The provided method for manufacturing a thermoplastic polyester-based resin foam sheet includes a foaming step of obtaining a thermoplastic polyester-based resin foam sheet by melting a thermoplastic polyester-based resin whose number-average molecular weight and specific viscosity are confined respectively to specified ranges and by mixing the molten thermoplastic polyester-based resin with a cross-linking agent and a foaming agent, whereas the measurement value of the Z average molecular weight of the thermoplastic polyester-based resin forming the thermoplastic polyester-based resin foam sheet is 250,000-800,000.

Abstract translation: 要解决的问题：提供一种制造热拉伸成型性优异的热塑性聚酯类树脂发泡体片材的方法。解决方案：所提供的热塑性聚酯类树脂发泡体片材的制造方法包括发泡步骤， 聚酯类树脂发泡体片通过将数均分子量和比粘度分别限定在特定范围内的热塑性聚酯类树脂和将熔融的热塑性聚酯类树脂与交联剂和发泡剂混合而熔融， 而形成热塑性聚酯类树脂发泡体片的热塑性聚酯类树脂的Z平均分子量的测定值为25万〜80万。

公开(公告)号：JP2014009302A

公开(公告)日：2014-01-20

申请号：JP2012147219

申请日：2012-06-29

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

Inventor： ISAYAMA AKIRA ,  KAWAMORITA SHOSUKE

IPC: C08J9/04 ,  B29C47/00 ,  B29C47/20 ,  B29K67/00 ,  B29K105/04 ,  B29L7/00

Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a polyglycolic acid resin foam sheet capable of producing the polyglycolic acid resin foam sheet with good foamed state, and the polyglycolic acid resin foam sheet with good foamed state.SOLUTION: A method of manufacturing a polyglycolic acid resin foam sheet includes production of the polyglycolic acid resin foam sheet by carrying out extrusion foaming of a resin composition containing a polyglycolic acid resin and a chain extender having an epoxy group and having epoxy equivalent of 100 g/eq or more and 500 g/eq or less. The resin composition contains 0.05 pt.mass or more and 1 pt.mass or less of the chain extender based on 100 pts.mass of the polyglycolic acid resin.

Abstract translation: 要解决的问题：提供一种能够制备具有良好发泡状态的聚乙醇酸树脂发泡体片材的聚乙醇酸树脂发泡片材的制造方法和具有良好发泡状态的聚乙醇酸树脂发泡体片材。 聚乙醇酸树脂发泡片包括通过进行包含聚乙醇酸树脂的树脂组合物和具有环氧当量为100g / eq以上的链增长剂和500g的增链剂的挤出发泡而制造聚乙醇酸树脂发泡体片材 / eq以下。 该树脂组合物含有0.05pt.mass以上且1pt.mass以下的扩链剂，基于100质量份的聚乙醇酸树脂。

公开(公告)号：JP2013203824A

公开(公告)日：2013-10-07

申请号：JP2012072946

申请日：2012-03-28

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

Inventor： ISAYAMA AKIRA ,  KAWAMORITA SHOSUKE

IPC: C08J9/12

Abstract: PROBLEM TO BE SOLVED: To provide a thermoplastic polyurethane foam molded article reduced in environmental load, and a method for producing the thermoplastic polyurethane foam molded article.SOLUTION: A thermoplastic polyurethane foam molded article includes a thermoplastic polyurethane resin having a plant-derived component, and has a degree of plant of 1% or more. A method for producing the thermoplastic polyurethane foam molded article includes a step of performing extrusion foaming using a thermoplastic polyurethane resin having a plant-derived component.

Abstract translation: 要解决的问题：提供降低环境负荷的热塑性聚氨酯泡沫塑料成型体，以及制造热塑性聚氨酯发泡成型体的方法。热塑性聚氨酯发泡成型体包括具有植物衍生成分的热塑性聚氨酯树脂， 并且具有1％以上的植物程度。 制造热塑性聚氨酯发泡成型体的方法包括使用具有植物来源成分的热塑性聚氨酯树脂进行挤出发泡的工序。

公开(公告)号：JP2012188643A

公开(公告)日：2012-10-04

申请号：JP2011206321

申请日：2011-09-21

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

Inventor： OWAKI KOKI ,  FUKUZAKI YUTA ,  ISAYAMA AKIRA

IPC: C08J3/24 ,  C08J9/18

Abstract: PROBLEM TO BE SOLVED: To provide a modified polypropylene-based expansion molding body that can improve faults in both an expansion molding body of a polystyrene-based resin and an expansion molding body of a polypropylene-based resin, and is excellent in mechanical characteristics, heat resistance, and chemical resistance or the like, to provide a preliminary foamed particle of the modified polypropylene-based resin of a high magnification that is excellent in moldability, in which the fusion between foamed particles can be achieved by the steam of a low temperature, and that can give the same, and to provide a modified polypropylene-based resin particle that can give the same.SOLUTION: The modified polypropylene-based resin particle comprises modifying 100 pts.wt. of a polypropylene-based resin by a polymerization resin that originates in 40-100 pts.wt. of an aromatic vinyl monomer including 0.1-1 wt.% of a polyfunctional monomer, and is characterized in that the gel fraction shows 10-40 wt.% originating in the crosslinking of the polymerization resin that originates in the aromatic vinyl monomer.

Abstract translation: 解决的问题：提供一种能够改善聚苯乙烯类树脂的发泡成形体和聚丙烯系树脂的发泡成形体的缺陷的改性聚丙烯系膨胀成型体， 机械特性，耐热性和耐化学性等，以提供成型性优异的高倍率的改性聚丙烯类树脂的预发泡粒子，其中发泡粒子之间的熔融可以通过 低温，并且可以得到相同的，并且提供可以赋予它的改性的聚丙烯基树脂颗粒。 解决方案：改性聚丙烯基树脂颗粒包括改性100重量份 的聚丙烯基树脂，其聚合树脂起始于40-100重量份。 的芳族乙烯基单体，其包含0.1-1重量％的多官能单体，并且其特征在于凝胶分数显示10-40重量％，源自芳族乙烯基单体的聚合树脂的交联。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012188642A

公开(公告)日：2012-10-04

申请号：JP2011206315

申请日：2011-09-21

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

Inventor： OWAKI KOKI ,  FUKUZAKI YUTA ,  ISAYAMA AKIRA

IPC: C08J9/18 ,  B29C44/00 ,  B29K23/00 ,  B29K105/04 ,  C08F2/44 ,  C08F255/02

Abstract: PROBLEM TO BE SOLVED: To provide a preliminary foamed particle of a modified polypropylene-based resin of an high expansion ratio excellent in mechanical characteristics, heat resistance, chemical resistance, and moldability or the like, and to provide a method of manufacturing an expansion molding body.SOLUTION: The method of manufacturing a preliminary foamed particle of modified polypropylene-based resin is characterized as follows. 100 pts.wt. of a polypropylene-based resin is modified by using a polymerization resin that originates in 40-100 pts.wt. of an aromatic vinyl monomer that contains 0.1-1 wt.% of a polyfunctional monomer to obtain a modified polypropylene-based resin particle, 20-50 pts.wt. of a foaming agent is used based on 100 pts.wt. of the modified polypropylene-based resin particle to be performed with an impregnation process to obtain a foaming modified polypropylene-based resin particle, the obtained foaming modified polypropylene-based resin particle is heated by a heated water vapor having 0.1-0.2 MPa of pressure for 5-60 seconds to be preliminarily formed to obtain a preliminary foamed particle of the modified polypropylene-based resin in which the bulk density is 0.01-0.07 g/cm.

Abstract translation: 要解决的问题：提供机械特性，耐热性，耐化学性和成型性等优异的高膨胀率的改性聚丙烯类树脂的预发泡粒子，并提供制造方法 膨胀成型体。 解决方案：制备改性聚丙烯类树脂的预发泡颗粒的方法的特征如下。 100 pts.wt 的聚丙烯类树脂通过使用起始于40-100重量份的聚合树脂进行改性。 的含有0.1-1重量％多官能单体以获得改性聚丙烯类树脂颗粒的芳族乙烯基单体，20-50重量份 的发泡剂基于100重量份 通过浸渍法进行改性聚丙烯类树脂颗粒，得到发泡性改性聚丙烯类树脂颗粒，将得到的发泡性改性聚丙烯类树脂颗粒加热至0.1〜0.2MPa的加热水蒸气， 预先形成5-60秒，得到体积密度为0.01-0.07g / cm 3的改性聚丙烯类树脂的预发泡颗粒。 版权所有（C）2013，JPO＆INPIT