公开(公告)号：US20130059154A1

公开(公告)日：2013-03-07

申请号：US13696856

申请日：2011-03-24

Applicant: Mitsuru Shinohara ,  Masaharu Oikawa

Inventor： Mitsuru Shinohara ,  Masaharu Oikawa

IPC: C08G63/08 ,  C08L67/04 ,  B32B27/14

CPC classification number: C08J9/122 ,  C08J9/16 ,  C08J9/18 ,  C08J9/232 ,  C08J2205/052 ,  C08J2367/02 ,  Y10T428/2989

Abstract: An expanded bead of a polylactic acid resin, having an exterior surface, a surface region including the entire exterior surface and having a weight of one-sixth to one-fourth the weight of the expanded bead, and a center region located inside the surface region and having a weight of one-fifth to one-third the weight of the expanded bead, wherein the expanded bead, the surface region and the center region, after having been subjected to a pretreatment including a heat treatment at 110° C. for 120 minutes followed by cooling at a cooling speed of 2° C./min, have endothermic calorific values of (Br:endo), (Brs:endo) and (Brc:endo), respectively, when measured by heat flux differential scanning calorimetry at a heating speed of 2° C./min in accordance with JIS K7122(1987), and wherein (Br:endo) is greater than 25 J/g and (Brs:endo) is smaller than (Brc:endo) and is not smaller than 0 J/g.

Abstract translation: 具有外表面的聚乳酸树脂的膨胀珠粒，包括整个外表面的表面积，其重量是发泡珠粒重量的六分之一至四分之一，以及位于表面区域内的中心区域 并且具有发泡珠重量的五分之一至三分之一的重量，其中经过包括在110℃热处理的预处理后的发泡珠粒，表面区域和中心区域为120 分钟，然后以2℃/分钟的冷却速度冷却，当通过热通量差示扫描量热法测定时，分别具有（Br：endo），（Brs：endo）和（Brc：endo）的吸热热值 根据JIS K7122（1987）的加热速度为2℃/分钟，其中（Br：endo）大于25J / g，（Brs：endo）小于（Brc：endo），并且不是 小于0J / g。

公开(公告)号：US20110250421A1

公开(公告)日：2011-10-13

申请号：US13081082

申请日：2011-04-06

Applicant: Akira OKUDA ,  Tatsuyuki ISHIKAWA ,  Naochika KOGURE ,  Kazunobu SATO

Inventor： Akira OKUDA ,  Tatsuyuki ISHIKAWA ,  Naochika KOGURE ,  Kazunobu SATO

IPC: B32B5/20 ,  B32B27/36

CPC classification number: C08J9/14 ,  B29C44/505 ,  B29K2025/00 ,  B29K2067/00 ,  B29K2105/046 ,  B29K2995/0015 ,  B29L2031/10 ,  C08J9/0061 ,  C08J2201/03 ,  C08J2205/052 ,  C08J2325/06 ,  C08J2367/02 ,  C08J2425/00 ,  C08J2467/00

Abstract: The present invention relates to an extruded thermoplastic resin foam, particularly relates to a board extruded thermoplastic resin which has low heat conductivity, an excellent heat insulating property over a long period of time, high flame retardancy, and excellent mechanical strength.The extruded thermoplastic resin foam having an apparent density of 20 to 50 kg/m3, a closed cells ratio of 85% or more and a thickness of 10 to 150 mm, and containing a non-halogen organic physical blowing agent, wherein the thermoplastic resin composing the extruded foam contains a mixture of 100 parts by weight of a polystyrene resin (A) and 5 to 150 parts by weight of a polyester resin (B), and an endothermic calorific value of the polyester resin (B) less than 5 J/g (including 0) for fusion of the polyester resin on a DSC curve obtained by heat flux differential scanning calorimetry based on JIS K7122 (1987).

Abstract translation: 挤出热塑性树脂发泡体技术领域本发明涉及挤出热塑性树脂发泡体，特别涉及导热性低，隔热性能优异，阻燃性高，机械强度优异的板挤出热塑性树脂。 表观密度为20〜50kg / m 3，闭孔率为85％以上，厚度为10〜150mm的挤出热塑性树脂发泡体，含有无卤有机物理发泡剂，其中，热塑性树脂 构成挤出泡沫体含有100重量份聚苯乙烯树脂（A）和5〜150重量份聚酯树脂（B）的混合物，聚酯树脂（B）的吸热量小于5J / g（包括0），用于通过基于JIS K7122（1987）的热通量差示扫描量热法获得的DSC曲线上聚酯树脂的熔融。

公开(公告)号：US20100209689A1

公开(公告)日：2010-08-19

申请号：US12734136

申请日：2008-10-09

Applicant: Masaomi Shima ,  Kenji Haraguchi ,  Tadashi Tamura

Inventor： Masaomi Shima ,  Kenji Haraguchi ,  Tadashi Tamura

IPC: B32B27/32

CPC classification number: B29C44/3461 ,  B29C44/445 ,  C08J9/16 ,  C08J2203/14 ,  C08J2325/06 ,  Y10T428/2982

Abstract: Expanded styrene resin beads are made of a styrene resin as the base resin and have an average bead diameter of 0.5-10 mm and an apparent density of 0.013-0.15 g/cm3. The expanded beads are characterized in that the expanded beads each has many dimples having a maximum diameter of 5-100 μm in the surface and that when the expanded beads are secondarily expanded under the conditions of a heating steam temperature of 107° C. and a heating time of 120 seconds, then the secondary expansion ratio determined by dividing the apparent density of the expanded beads before the secondary expansion (g/cm3) by the apparent density of the expanded beads after the secondary expansion (g/cm3) satisfies the relationship (1). Secondary expansion ratio≦−7.00×{apparent density of expanded beads before secondary expansion (g/cm3)}+1.61 (1).

Abstract translation: 发泡苯乙烯树脂珠由苯乙烯树脂作为基础树脂制成，平均珠粒直径为0.5-10毫米，表观密度为0.013-0.15克/厘米3。 发泡珠的特征在于，发泡珠粒各自具有许多在表面上具有最大直径为5-100μm的凹坑，而当发泡珠子在加热蒸汽温度为107℃的条件下二次膨胀时， 加热时间为120秒，然后通过将二次膨胀之前的发泡珠粒的表观密度（g / cm 3）除以二次膨胀之后的发泡珠粒的表观密度（g / cm 3）而确定的二次膨胀比满足关系 （1）。 二次膨胀比＆nlE; -7.00×{二次膨胀前发泡珠的表观密度（g / cm 3）} + 1.61（1）。

公开(公告)号：US07560498B2

公开(公告)日：2009-07-14

申请号：US11332342

申请日：2006-01-17

Applicant: Hidehiro Sasaki ,  Akinobu Hira ,  Keiichi Hashimoto ,  Hisao Tokoro

Inventor： Hidehiro Sasaki ,  Akinobu Hira ,  Keiichi Hashimoto ,  Hisao Tokoro

IPC: C08J9/16

CPC classification number: C08J9/224 ,  C08J9/18 ,  C08J2323/12

Abstract: A process of producing a foamed molding, wherein expanded, substantially non-crosslinked polypropylene-based resin beads are heated in a mold to fuse-bond the beads together into a unitary body. Each of the expanded beads has been surface-modified with an organic peroxide.

Abstract translation: 制造发泡模制品的方法，其中将膨胀的基本上未交联的聚丙烯基树脂珠粒在模具中加热，以将珠子熔合在一起成为整体。 每个发泡珠粒都用有机过氧化物进行表面改性。

公开(公告)号：US20090169895A1

公开(公告)日：2009-07-02

申请号：US12292925

申请日：2008-12-01

Applicant: Tokunobu Nohara ,  Mitsuru Shinohara ,  Masaharu Oikawa

Inventor： Tokunobu Nohara ,  Mitsuru Shinohara ,  Masaharu Oikawa

IPC: B32B27/32

CPC classification number: C08J9/18 ,  B29C2948/92676 ,  B29C2948/92704 ,  B29C2948/92923 ,  C08J9/0061 ,  C08J2323/02 ,  C08J2423/00 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/2995 ,  Y10T428/2996 ,  Y10T428/2998

Abstract: The present invention relates to foamed polyolefin resin beads. Further, the present invention provides foamed resin beads obtained by foaming and expanding composite resin beads which include a core layer constituted by a polyolefin resin and a covering layer which covers the core layer constituted by a polyolefin resin, wherein (a) the polyolefin resin constituting the core layer is a crystalline polyolefin resin, (b) the polyolefin resin constituting the covering layer is a crystalline polyolefin resin which has a lower melting point (B) than a melting point (A) of the polyolefin resin constituting the core layer, wherein a temperature difference [(A)−(B)] between the melting point (B) and the melting point (A) is more than 0° C. and 80° C. or less, or a noncrystalline polyolefin resin which has a softening point (C) lower than the melting point (A) of the polyolefin resin constituting the core layer, wherein a temperature difference [(A)−(C)] between the softening point (C) and the melting point (A) is more than 0° C. and 100° C. or less, and 10% by weight or more and less than 50% by weight of polymer type antistatic agent is contained in the covering layer. The foamed polyolefin resin beads of the present invention provide foamed polyolefin resin beads are excellent in fusion properties between beads at the time of molding in a mold, capable of providing a molded foamed article which is excellent antistatic performance, has no deterioration of the antistatic performance with age, whose antistatic performance is not humidity dependent, does not contaminate packaging products, has a good molded foamed article surface, and has excellent mechanical properties.

Abstract translation: 本发明涉及泡沫聚烯烃树脂珠粒。 此外，本发明提供了通过发泡和膨胀复合树脂珠而获得的发泡树脂珠，其包括由聚烯烃树脂构成的芯层和覆盖由聚烯烃树脂构成的芯层的覆盖层，其中（a）构成的聚烯烃树脂 核心层是结晶聚烯烃树脂，（b）构成覆盖层的聚烯烃树脂是具有比构成芯层的聚烯烃树脂的熔点（A）低的熔点（B）的结晶聚烯烃树脂，其中 熔点（B）和熔点（A）之间的温差[（A） - （B）]大于0℃和80℃以下，或者具有软化的非结晶性聚烯烃树脂 （C）低于构成芯层的聚烯烃树脂的熔点（A），其中软化点（C）和熔点（A）之间的温差[（A） - （C）]更多 超过0℃和100℃或更低，a 在覆盖层中含有10重量％以上且小于50重量％的聚合物型抗静电剂。 本发明的发泡聚烯烃树脂珠提供发泡聚烯烃树脂珠在模具中成型时的珠粒之间的熔融性能优异，能够提供抗静电性能优异的成型发泡制品，抗静电性能没有劣化 随着年龄的增长，其抗静电性能不依赖于湿度，不会污染包装产品，具有良好的模制发泡制品表面，并且具有优异的机械性能。

公开(公告)号：US07182896B2

公开(公告)日：2007-02-27

申请号：US10502934

申请日：2003-03-19

Applicant: Akinobu Hira ,  Keiichi Hashimoto ,  Hidehiro Sasaki

Inventor： Akinobu Hira ,  Keiichi Hashimoto ,  Hidehiro Sasaki

IPC: B29C44/04

CPC classification number: B29C44/0469 ,  B29C44/3461 ,  B29C44/445 ,  Y10T428/24992 ,  Y10T428/249953 ,  Y10T428/249971 ,  Y10T428/249977 ,  Y10T428/249981

Abstract: A composite foamed polypropylene resin molding including a plurality of sections which are fuse-bonded to each other, at least two of which differ from each other in color, apparent density, composition and/or mechanical strengths, each of which is formed from expanded polypropylene resin beads, and each of which shows a high temperature endothermic peak in a DSC curve thereof. At least one of the sections satisfies conditions (d) to (f) at the same time: (d) to be formed from specific expanded polypropylene resin beads of a base resin having a tensile modulus of at least 1,200 MPa, (e) to have an apparent density D2 of 10–500 g/L, and (f) to have such a high temperature endothermic peak with a calorific of E2 J/g, wherein D2 and E2 have the relationship 20−0.020×D2≦E2≦65−0.100×D2. The composite molding may be prepared by filling expanded polypropylene resin beads in each of a plurality of contiguous spaces defined in a mold cavity and heating the expanded beads to fuse-bond respective expanded beads together into a unitary body. At least one of the spaces is filled with the specific expanded polypropylene resin beads.

Abstract translation: 一种复合发泡聚丙烯树脂模制品，其包括彼此熔合键合的多个部分，其中至少两个在颜色，表观密度，组成和/或机械强度方面彼此不同，每个部分由发泡聚丙烯 树脂珠，其DSC曲线中都显示高温吸热峰。 至少一个部分同时满足条件（d）至（f）：（d）由具有至少1200MPa的拉伸模量的基础树脂的特定发泡聚丙烯树脂珠粒形成，（e）至 具有10-500g / L的表观密度D 2，和（f）具有发热量为E 2 J / g的高温吸热峰，其中D 2和E 2具有20-0.020xD 2的关系 <= E 2 <= 65-0.100xD 2.复合成型可以通过在模腔中限定的多个连续空间中的每一个中填充发泡聚丙烯树脂珠并加热发泡珠以将相应的发泡珠熔合在一起来制备 进入一个单一的身体。 至少一个空间用特定的发泡聚丙烯树脂珠填充。

公开(公告)号：US20050282922A1

公开(公告)日：2005-12-22

申请号：US11141045

申请日：2005-06-01

Applicant: Hisao Nakamura ,  Yoshihiko Kanda ,  Tatsuya Kimura

Inventor： Hisao Nakamura ,  Yoshihiko Kanda ,  Tatsuya Kimura

IPC: B29C47/00 ,  C08F2/00

CPC classification number: C08J9/143 ,  B29C48/022 ,  B29C48/07 ,  B29K2025/00 ,  B29K2105/04 ,  C08J9/141 ,  C08J2201/03 ,  C08J2325/06

Abstract: A thick extruded polystyrene resin foam which can be obtained without using chlorofluorohydrocarbons has a center portion in which the cells are approximately spherical. The extruded polystyrene resin foam contains a residual gas selected from fluorohydrocarbons, aliphatic hydrocarbons and alicyclic hydrocarbons, and has a thickness of 45 to 150 mm and an apparent density of 0.015 to 0.06 g/cm3. The resin foam includes a center layer, excluding 10% of the foam thickness from each of the two foam surfaces, which is composed of cells with specific shape and compressive strengths in the foam thickness, transverse and machine directions.

Abstract translation: 可以在不使用氯氟烃的情况下获得的厚的挤出聚苯乙烯树脂泡沫体具有其中细胞近似球形的中心部分。 挤出的聚苯乙烯树脂泡沫体含有选自氟代烃，脂族烃和脂环族烃的残留气体，其厚度为45〜150mm，表观密度为0.015〜0.06g / cm 3。 树脂泡沫包括中心层，不包括两个泡沫表面的泡沫厚度的10％，其由在泡沫厚度，横向和机器方向上具有特定形状和压缩强度的泡孔组成。

公开(公告)号：US20050164000A1

公开(公告)日：2005-07-28

申请号：US11037113

申请日：2005-01-19

Applicant: Mitsuru Okuyama ,  Kunikazu Nagasaki

Inventor： Mitsuru Okuyama ,  Kunikazu Nagasaki

IPC: B29C44/04 ,  B29C44/34 ,  B29C44/44 ,  B29C47/00 ,  C08F297/08 ,  C08J9/232 ,  B32B5/16

CPC classification number: C08J9/232 ,  B29C44/445 ,  B29C48/022 ,  B29C48/05 ,  B29C48/07 ,  B29K2105/04 ,  C08J2323/02 ,  C08J2353/00 ,  Y10T428/2991

Abstract: A thick foam molding having a size permitting the formation of a sphere having a diameter of at least 200 mm by cutting. The foam molding is obtainable by molding expanded thermoplastic resin beads in a mold cavity and having a fusion-bonding efficiency of at least 50% throughout, wherein each of the expanded thermoplastic resin beads comprises a core which is in an expanded state and which comprises a crystalline thermoplastic resin, and a coat which is in a substantially unexpanded state and which surrounds the core. The coat comprises a crystalline polyolefin polymer which is lower in melting point by at least 15° C. than that of the crystalline thermoplastic resin or a non-crystalline polyolefin polymer which is lower in Vicat softening point by at least 15° C. than that of the crystalline thermoplastic resin.

Abstract translation: 具有允许通过切割形成具有至少200mm直径的球体的尺寸的厚泡沫模制件。 发泡成型可以通过将模制空腔中的发泡热塑性树脂珠模塑并且具有至少50％的熔合效率而获得，其中每个发泡热塑性树脂珠包含处于膨胀状态的芯，其包含 结晶热塑性树脂，以及基本上未膨胀状态并且包围芯的涂层。 该涂层包括结晶聚烯烃聚合物，其熔点低于结晶热塑性树脂或维卡软化点低至少15℃的非结晶聚烯烃聚合物的熔点至少15℃。 的结晶热塑性树脂。

公开(公告)号：US06890009B2

公开(公告)日：2005-05-10

申请号：US10646761

申请日：2003-08-25

Applicant: Seishiro Murata ,  Satoru Shioya ,  Masayuki Fukuda

Inventor： Seishiro Murata ,  Satoru Shioya ,  Masayuki Fukuda

IPC: B60R19/22 ,  B60R19/18

CPC classification number: B60R19/18 ,  B60R2019/1833 ,  Y10T428/233

Abstract: An elongated bumper core of a polyolefin-based resin-containing foam having a density of 0.045-0.2 g/cm3 and showing a compressive load of F20 at 20% strain, a compressive load of F40 at 40% strain and a compressive load of F60 at 60% strain when compressed by a rigid pipe having an outer diameter of 70 mm at a compression speed of 500 mm/minute, wherein the ratio F20/F40 is in the range of 0.6-1.3 and the ratio F60/F40 is in the range of 0.75-1.3.

Abstract translation: 具有密度为0.045-0.2g / cm 3的含聚烯烃基树脂的泡沫的细长的保险杠芯，并且在20％应变下显示F 20的压缩载荷 在60％应变下的40％应变下的F 40的压缩载荷和在60％应变下的F 60的压缩载荷，当通过外径为70mm的刚性管 压缩速度为500mm /分钟，其中F 20 / F 40 40的比例在0.6-1.3的范围内，并且比率F <60 / F <40>在0.75-1.3的范围内。

公开(公告)号：US06875484B1

公开(公告)日：2005-04-05

申请号：US09629949

申请日：2000-08-01

Applicant: Naochika Kogure ,  Hiroyuki Gokuraku ,  Seiji Takahashi ,  Daisuke Imanari ,  Takashi Kitahama

Inventor： Naochika Kogure ,  Hiroyuki Gokuraku ,  Seiji Takahashi ,  Daisuke Imanari ,  Takashi Kitahama

IPC: B32B27/00 ,  B29C44/04 ,  B29C47/04 ,  B29C49/04 ,  B29C49/22 ,  B29C49/48 ,  B29L9/00 ,  B29L22/00 ,  B32B5/18 ,  B32B27/32 ,  B32B1/00 ,  B29B9/00 ,  B32B1/08

CPC classification number: B32B27/065 ,  B29C44/04 ,  B29C49/04 ,  B29C49/22 ,  B29C49/4802 ,  B29C2049/4807 ,  B29K2023/12 ,  B29K2105/04 ,  B29L2031/3044 ,  B32B5/18 ,  B32B5/20 ,  B32B27/32 ,  B32B2266/025 ,  B32B2307/304 ,  B32B2307/56 ,  B32B2439/00 ,  B32B2605/08 ,  B32B2607/00 ,  Y10T428/13 ,  Y10T428/1352 ,  Y10T428/1376 ,  Y10T428/1379

Abstract: A multi-layer expansion-molded article of a polypropylene resin, which is obtained by molding a multi-layer parison comprising a foamed resin layer and a resin layer provided on the outer side of the foamed resin layer in a mold in such manner that at least part of the opposed inner surfaces of foamed resin layer in the parison are fusion-bonded to each other, and has a polypropylene resin layer on the surface of a foamed polypropylene resin layer, wherein a melt tension, MTfr (gf) and a melt flow rate, MFRfr (g/10 min) obtained by measurement to a polypropylene resin forming the foamed resin layer in the expansion-molded article satisfy the relationship [log MTfr>−0.74 log MFRfr+0.66], and a melt tension, MTur (gf) and a melt flow rate, MFRur (g/10 min) obtained by measurement to a polypropylene resin forming the resin layer on the surface of the foamed resin layer satisfy the relationship [log MTur>−1.02 log MFRur+0.47].

Abstract translation: 一种聚丙烯树脂的多层发泡成型体，其通过在模具中成型包含发泡树脂层的多层型坯和设置在发泡树脂层的外侧的树脂层而获得， 型坯中发泡树脂层的相对的内表面的至少一部分彼此熔合，并且在发泡聚丙烯树脂层的表面上具有聚丙烯树脂层，其中熔融张力MTfr（gf）和熔体 通过测量在发泡成型制品中形成发泡树脂层的聚丙烯树脂获得的流速MFRfr（g / 10min）满足关系[log MTfr> -0.74log MFRfr + 0.66]和熔融张力MTur gf），并且通过测量在形成发泡树脂层表面上的树脂层的聚丙烯树脂获得的MFRur（g / 10min）满足[log MTur> -1.02logMFRur + 0.47]的关系。