公开(公告)号：US20140312676A1

公开(公告)日：2014-10-23

申请号：US14307397

申请日：2014-06-17

Applicant: Toyo Seat Co., Ltd. ,  JSP Corporation

Inventor： Hiroyuki ITO ,  Takashi IMAI ,  Hidehiro SASAKI ,  Seishiro MURATA ,  Satoru SHIOYA

IPC: B60N2/64

CPC classification number: B60N2/64 ,  B60N2/643 ,  B60N2/68 ,  B60N2/686 ,  B60N2/7094

Abstract: A seat back for vehicles including a seat back pad having supporting bodies fixed on a periphery of an opening or a seat frame, or formed integrally with the periphery of the opening by one or multiple-point support, the supporting bodies aligned at predetermined intervals, each arranged in a direction between periphery portions opposite to each other of the opening at a front surface portion formed as a backrest surface for a seated person, the supporting bodies being independent of each other in rod or plate form, each made of a synthetic resin foam having 20 mm or larger in bending deflection amount and 2 to 100 N in load when deflected by 20 mm measured in accordance with a method defined by JIS K7221-2:2006, and having an interspace portion configured such that the supporting bodies are allowed to be deformed by bending in a rear direction.

Abstract translation: 一种用于车辆的座椅靠背，包括座椅靠背垫，其具有固定在开口或座椅框架的周边上的支撑体，或者通过一点或多点支撑件与开口的周边一体形成，所述支撑体以预定间隔对准， 每个所述支撑体分别以形成为就座者的靠背表面的前表面部分沿着所述开口彼此相对的周边部分之间的方向布置，所述支撑体彼此独立于棒或板形，每个由合成树脂制成 当根据JIS K7221-2：2006所定义的方法测量偏转20mm时，弯曲挠度为20mm或更大的载荷的2至100N的泡沫，并且具有允许支撑体被允许的间隙部分 通过在后方弯曲而变形。

公开(公告)号：US20230083244A1

公开(公告)日：2023-03-16

申请号：US17797648

申请日：2021-02-02

Applicant: JSP Corporation

Inventor： Hidehiro SASAKI ,  Toshio MORITA

IPC: C08L79/08 ,  C08L79/04 ,  C08L63/00 ,  C08L67/03

Abstract: A composite molded article in which thermoplastic resin expanded beads are bonded via a thermosetting resin binder, wherein the composite molded article has a density of 0.05 to 0.5 g/cm3, and when heated at 100° C. for 20 minutes, the composite molded article has a volume expansion rate of 15 to 200%.

公开(公告)号：US20220192110A1

公开(公告)日：2022-06-23

申请号：US17600918

申请日：2020-03-31

Applicant: JSP CORPORATION

Inventor： Hidehiro SASAKI ,  Joji OHNUKI

IPC: A01G24/50 ,  A01G24/35

Abstract: The medium for plant cultivation according to the present invention includes a bag body, and a crushed material obtained by crushing a foam body made of an aliphatic polyester-based resin and packed in the bag body in a compressed state, and in the medium a ratio of the bulk density of the crushed material after being packed in the bag body to the bulk density of the crushed material before being packed in the bag body is larger than 1 and 2 or less.

公开(公告)号：US20180162093A1

公开(公告)日：2018-06-14

申请号：US15318608

申请日：2015-07-15

Applicant: JSP Corporation

Inventor： Hidehiro SASAKI

IPC: B32B5/18 ,  B32B7/12 ,  B32B27/06 ,  C08J9/00

CPC classification number: B32B5/18 ,  B32B5/16 ,  B32B7/12 ,  B32B9/002 ,  B32B9/046 ,  B32B9/048 ,  B32B15/046 ,  B32B15/16 ,  B32B15/18 ,  B32B15/20 ,  B32B17/00 ,  B32B21/047 ,  B32B21/12 ,  B32B27/06 ,  B32B27/065 ,  B32B27/14 ,  B32B27/36 ,  B32B2250/02 ,  B32B2260/025 ,  B32B2260/046 ,  B32B2262/0223 ,  B32B2262/0276 ,  B32B2262/10 ,  B32B2262/101 ,  B32B2262/103 ,  B32B2262/105 ,  B32B2262/106 ,  B32B2262/14 ,  B32B2264/0278 ,  B32B2264/10 ,  B32B2264/101 ,  B32B2264/102 ,  B32B2264/104 ,  B32B2264/12 ,  B32B2266/0264 ,  B32B2307/102 ,  B32B2307/304 ,  B32B2307/546 ,  B32B2307/72 ,  B32B2307/732 ,  B32B2419/00 ,  B32B2457/12 ,  B32B2479/00 ,  B32B2597/00 ,  B32B2605/003 ,  B32B2605/08 ,  B32B2605/10 ,  B32B2605/12 ,  C08J9/0061 ,  C08J9/0085 ,  C08J9/236 ,  C08J9/35 ,  C08J2300/12 ,  C08J2367/04 ,  C08J2463/00 ,  C08J2467/06

Abstract: The present invention provides a composite molded article in which aliphatic polyester-based resin expanded beads and a thermosetting resin cured product containing a reinforcing fiber, which is formed between the expanded beads, are integrally fixed, wherein the aliphatic polyester-based resin is a polylactic acid-based resin, and a flexural modulus E (MPa) of the composite molded article and a density ρ (kg/m3) of the composite molded article satisfy Expression (1): E1/3/ρ≥0.02 [(MPa)1/3(kg/m3)−1], and a composite molded article and a laminate having more improved strength.

公开(公告)号：US20160333162A1

公开(公告)日：2016-11-17

申请号：US15111150

申请日：2015-01-13

Applicant: JSP CORPORATION

Inventor： Hidehiro SASAKI

IPC: C08J9/18

CPC classification number: C08J9/18 ,  C08J9/122 ,  C08J2203/06 ,  C08J2205/044 ,  C08J2205/052 ,  C08J2207/00 ,  C08J2323/14

Abstract: The present invention provides polyolefin resin particles that are capable of producing expanded polyolefin resin beads having a favorable fine cell structure, expanded polyolefin resin beads that suffer less volume shrinkage under a high temperature environment and are excellent in recovery property on repeated compression, and a method for producing the expanded beads. The polyolefin resin particles of the present invention have a peak temperature (T1) of a melting peak on first heating in a DSC curve obtained by heating the resin particles from 20° C. to 200° C. at a heating rate of 10° C./min that is higher by 1.5° C. or more than a peak temperature (T2) of a melting peak on second heating in a DSC curve obtained by, subsequent to the first heating, cooling the resin particles from 200° C. to 20° C. at a cooling rate of 10° C./min, and then heating the resin particles from 20° C. to 200° C. at a heating rate of 10° C./min. The method for producing expanded polyolefin resin beads of the present invention includes: a step of preparing preliminary resin particles containing a polyolefin resin; a step of heat-treating the preliminary resin particles at a temperature that is higher by from 15 to 25° C. than a melting point of the preliminary resin particles, so as to produce resin particles; and a step of expanding the resin particles.

Abstract translation: 本发明提供能够制造具有良好细孔结构的发泡聚烯烃树脂珠粒的聚烯烃树脂颗粒，在高温环境下具有较小体积收缩率的膨胀聚烯烃树脂珠粒，并且在重复压缩时的回收性能优异的方法 用于生产发泡珠。 本发明的聚烯烃树脂颗粒在通过以10℃的加热速度将树脂颗粒从20℃加热到200℃而获得的DSC曲线中，在第一次加热时具有熔融峰的峰值温度（T1） 。/ min，高于1.5℃或高于DSC曲线中的第二次加热时的熔融峰的峰值温度（T2），通过在第一次加热之后，将树脂颗粒从200℃冷却至 20℃，以10℃/分钟的冷却速度，然后以10℃/分钟的加热速率将树脂颗粒从20℃加热至200℃。 本发明的发泡聚烯烃树脂珠粒的制造方法包括：制备含有聚烯烃树脂的预备树脂粒子的工序; 在比预备树脂颗粒的熔点高15至25℃的温度下对预备树脂颗粒进行热处理以生产树脂颗粒的步骤; 和使树脂粒子膨胀的工序。