公开(公告)号：US06191178B1

公开(公告)日：2001-02-20

申请号：US09601236

申请日：2000-07-31

Applicant: Satoru Shioya ,  Mitsuru Shinohara ,  Akinobu Hira ,  Hisao Tokoro

Inventor： Satoru Shioya ,  Mitsuru Shinohara ,  Akinobu Hira ,  Hisao Tokoro

IPC: C08J9228

CPC classification number: C08J9/232 ,  B60R19/03 ,  B60R19/22 ,  C08J9/18 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2369/00

Abstract: A polycarbonate resin foamed molding having a density D of 0.6 g/cm3 or less and at least 30 (kg·cm/cm3)/(g/cm3) of a value E80/D obtained by dividing an amount of energy absorbed through 50% compression of the molding at 80° C. (E80 kg·cm/cm3) by the density of the molding. A shock absorber for a vehicle includes a core of the above molding, and a skin covering a surface of the core.

Abstract translation: 密度D为0.6g / cm 3以下的聚碳酸酯树脂发泡成型体和通过将吸收的能量的量除以50％得到的值E80 / D的至少30（kg·cm / cm 3）/（g / cm 3） 在80℃下成型（E80kg·cm / cm 3）压缩成型体的密度。 用于车辆的减震器包括上述模制品的芯和覆盖芯的表面的皮肤。

公开(公告)号：US20240166873A1

公开(公告)日：2024-05-23

申请号：US18533638

申请日：2023-12-08

Applicant: ASAHI KASEI KABUSHIKI KAISHA

Inventor： Yoshinori FUJINO ,  Ryota NAKAYAMA ,  Yasuyuki KAWAZU

IPC: C08L77/06 ,  C08J9/232

CPC classification number: C08L77/06 ,  C08J9/232 ,  C08J2201/034 ,  C08J2377/06

Abstract: A method of producing a polyamide foam molded article is provided. The method includes: loading polyamide pre-expanded particles containing water in a water content ratio of 0 mass % or more and 12 mass % or less, into a mold; heating the polyamide pre-expanded particles with saturated steam at a temperature equal to or lower than a molding temperature minus 5° C. for 30 seconds or more and 90 seconds or less, the molding temperature being 100° C. or higher; and then thermally fusing the polyamide pre-expanded particles with saturated steam at the molding temperature.

公开(公告)号：US20240018325A1

公开(公告)日：2024-01-18

申请号：US18349308

申请日：2023-07-10

Applicant: JSP CORPORATION

Inventor： Takumi SAKAMURA ,  Hajime OHTA

IPC: C08J9/228 ,  C08L23/14

CPC classification number: C08J9/228 ,  C08L23/14 ,  C08J2201/034 ,  C08J2323/14 ,  C08J2423/14

Abstract: A thermoplastic resin expanded bead and a molded article composed of the thermoplastic resin expanded beads are provided. The expanded bead includes a foam layer containing a thermoplastic resin. The expanded bead has a columnar shape, and has two or more and eight or less through-holes penetrating in the axial direction thereof. A ratio Ct/A of a total cross-sectional area Ct of the through-holes to a cross-sectional area A of the expanded bead in a cut surface obtained by cutting the expanded bead along a plane perpendicular to the axial direction at the center in the axial direction is 0.02 or more and 0.15 or less.

公开(公告)号：US20170369666A1

公开(公告)日：2017-12-28

申请号：US15543288

申请日：2016-01-14

Applicant: SYNTHOS S.A.

Inventor： Filip Lukasz KONDRATOWICZ ,  Piotr ROJEK ,  Marzena MIKOSZEK-OPERCHALSKA ,  Kamil UTRATA

IPC: C08J9/00 ,  C08J9/14 ,  C08J9/18

CPC classification number: C08J9/0066 ,  C08J9/141 ,  C08J9/18 ,  C08J2201/034 ,  C08J2325/00 ,  C08J2325/04 ,  C08J2325/06

Abstract: The invention relates to the use of a mineral having perovskite structure in vinyl aromatic polymer foam, i) for decreasing the thermal conductivity, ii) for increasing the mechanical properties (namely compressive strength and bending strength), or iii) for improving the self-extinguishing properties of the foam. The polymer foam further comprises one or more athermanous additives selected from a) powder inorganic additive selected from powders of silica and calcium phosphate, b) powder carbonaceous additive selected from powders of graphite, carbon black, petroleum coke, graphitized carbon black, graphite oxides, and graphene, and c) powder geopolymer and powder geopolymer composite.

公开(公告)号：US20170036377A1

公开(公告)日：2017-02-09

申请号：US15297209

申请日：2016-10-19

Applicant: NIKE, Inc.

Inventor： Hossein Baghdadi ,  Yihua Chang ,  Charles Edwards ,  Richard L. Watkins

IPC: B29C44/44 ,  B29D35/12 ,  B29C37/00 ,  A43B1/00 ,  C08J9/00 ,  A43B13/18 ,  C08J9/18 ,  C08J9/12 ,  C08J9/232 ,  B29D35/00 ,  A43B13/04

CPC classification number: B29C44/445 ,  A43B1/0027 ,  A43B13/04 ,  A43B13/16 ,  A43B13/187 ,  B29C37/0025 ,  B29C43/003 ,  B29C44/0461 ,  B29D35/0054 ,  B29D35/122 ,  B29K2021/003 ,  B29K2105/0032 ,  B29K2105/048 ,  B29L2031/504 ,  C08J9/0004 ,  C08J9/122 ,  C08J9/18 ,  C08J9/232 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2203/08 ,  C08J2300/22 ,  C08J2300/26 ,  C08J2375/04

Abstract: Decorative foamed articles are prepared from foamed pellets, beads, particles, or other articles of a thermoplastic elastomer infused with a supercritical fluid in a pressurized container, then rapidly depressurized and heated either by immersion in a heated fluid that can rapidly heat the article or with infrared or microwave radiation to heat and foam the pellets, beads, particles, or other articles that are then molded into the articles. The pellets are dyed with a nonionic or anionic dye one of: (1) before being infused with the supercritical fluid, (2) during being infused with the supercritical fluid by a nonionic or anionic dye dissolved or dispersed in the supercritical fluid, which optionally comprises a polar liquid, (3) during immersion in the heated fluid, where the heated fluid contains the dye, or (4) after being foamed.

Abstract translation: 装饰发泡制品由在加压容器中注入超临界流体的热塑性弹性体的泡沫颗粒，珠子，颗粒或其它制品制备，然后通过浸入加热的流体中快速减压和加热，所述加热流体可以快速加热制品或与 红外或微波辐射来加热和泡沫，然后将颗粒，珠粒，颗粒或其它制品模制成制品。 颗粒用非离子或阴离子染料染色，其中：（1）在注入超临界流体之前，（2）在通过溶解或分散在超临界流体中的非离子或阴离子染料注入超临界流体时，其任选地 包括极性液体，（3）在浸入加热流体中，其中加热的流体含有染料，或（4）发泡后。

公开(公告)号：US09505857B2

公开(公告)日：2016-11-29

申请号：US14005108

申请日：2012-03-16

Applicant: Akihiro Itoi

Inventor： Akihiro Itoi

IPC: C08J9/18 ,  C08F110/06 ,  B29C44/34 ,  B29C44/08 ,  C08J9/00 ,  C08J9/12 ,  C08J9/14 ,  C08J9/232

CPC classification number: C08F110/06 ,  B29C44/08 ,  B29C44/3461 ,  C08J9/0061 ,  C08J9/122 ,  C08J9/141 ,  C08J9/18 ,  C08J9/232 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2203/14 ,  C08J2323/14 ,  C08J2471/02

Abstract: Provided are pre-expanded polypropylene resin particles having a dimensional expansion coefficient of 1.5% or more determined with a thermomechanical analyzer at a constant compressive load of 1 mg during heating from 30° C. to 100° C. at a temperature increase rate of 10° C./min. Using the pre-expanded polypropylene resin particles can yield an in-mold foam molded product of polypropylene resin having few wrinkles and small dimensional shrinkage without pretreatment such as internal pressure application or compression packing during packing the pre-expanded particles in a mold for in-mold foam molding.

Abstract translation: 本发明提供一种预发泡聚丙烯树脂颗粒，其在30℃至100℃的温度下以10℃的恒定压缩载荷下，用热机械分析仪测定的尺寸膨胀系数为1.5％以上。 °C / min。 使用预发泡的聚丙烯树脂颗粒可以产生具有很少皱纹和小尺寸收缩的聚丙烯树脂的模内发泡模制产品，而不需要预处理，例如在将预发泡颗粒包装在模具中的内部压力施加或压缩填料， 模具发泡成型。

公开(公告)号：US09498927B2

公开(公告)日：2016-11-22

申请号：US13842462

申请日：2013-03-15

Applicant: NIKE, Inc.

Inventor： Richard L. Watkins ,  Hossein Baghdadi ,  Charles Edwards ,  Yihua Chang

IPC: B29D35/12 ,  B29C44/04 ,  B29C44/44 ,  C08J9/00 ,  C08J9/12 ,  C08J9/18 ,  C08J9/232 ,  A43B1/00 ,  A43B13/16 ,  B29C43/00

CPC classification number: B29C44/445 ,  A43B1/0027 ,  A43B13/04 ,  A43B13/16 ,  A43B13/187 ,  B29C37/0025 ,  B29C43/003 ,  B29C44/0461 ,  B29D35/0054 ,  B29D35/122 ,  B29K2021/003 ,  B29K2105/0032 ,  B29K2105/048 ,  B29L2031/504 ,  C08J9/0004 ,  C08J9/122 ,  C08J9/18 ,  C08J9/232 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2203/08 ,  C08J2300/22 ,  C08J2300/26 ,  C08J2375/04

Abstract: Decorative foamed articles are prepared from foamed pellets, beads, particles, or other articles of a thermoplastic elastomer infused with a supercritical fluid in a pressurized container, then rapidly depressurized and heated either by immersion in a heated fluid that can rapidly heat the article or with infrared or microwave radiation to heat and foam the pellets, beads, particles, or other articles that are then molded into the articles. The pellets are dyed with a nonionic or anionic dye one of: (1) before being infused with the supercritical fluid, (2) during being infused with the supercritical fluid by a nonionic or anionic dye dissolved or dispersed in the supercritical fluid, which optionally comprises a polar liquid, (3) during immersion in the heated fluid, where the heated fluid contains the dye, or (4) after being foamed.

Abstract translation: 装饰发泡制品由在加压容器中注入超临界流体的热塑性弹性体的泡沫颗粒，珠子，颗粒或其它制品制备，然后通过浸入加热的流体中快速减压和加热，所述加热流体可以快速加热制品或与 红外或微波辐射来加热和泡沫，然后将颗粒，珠粒，颗粒或其它制品模制成制品。 颗粒用非离子或阴离子染料染色，其中：（1）在注入超临界流体之前，（2）在通过溶解或分散在超临界流体中的非离子或阴离子染料注入超临界流体时，其任选地 包括极性液体，（3）在浸入加热流体中，其中加热的流体含有染料，或（4）发泡后。

公开(公告)号：US09493622B2

公开(公告)日：2016-11-15

申请号：US14441375

申请日：2013-11-25

Applicant: KANEKA CORPORATION

Inventor： Toru Yoshida

IPC: C08J9/04 ,  B65D25/28 ,  C08L23/14 ,  C08J9/18 ,  C08J9/12 ,  C08J9/232 ,  B29C44/34 ,  B29C44/02 ,  B65D25/30 ,  C08J9/00 ,  B29K23/00 ,  B29K105/04 ,  B29L31/00

CPC classification number: C08J9/04 ,  B29C44/02 ,  B29C44/3453 ,  B29C44/3461 ,  B29K2023/12 ,  B29K2105/048 ,  B29L2031/7162 ,  B65D25/28 ,  B65D25/30 ,  C08J9/0028 ,  C08J9/122 ,  C08J9/18 ,  C08J9/232 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2323/14 ,  C08L23/14 ,  Y10T428/1352 ,  Y10T428/1376

Abstract: Polypropylene resin foamed particles containing a polypropylene random copolymer having a ratio of a Z-average molecular weight Mz to a number average molecular weight Mn, Mz/Mn, of 20 or more and 300 or less, a melt-flow rate of 5 g/10 minutes or more and 20 g/10 minutes or less, a melt strength of 2.5 cN or less, and a flexural modulus of 600 MPa or more and 1600 MPa or less, and preferably having at least two heat quantity areas of fusion can provide an in-mold foam molded article such as a returnable box having a short molding cycle at in-mold foam molding and beautiful surface properties; and are excellent in moldability even if an inner pressure more than the atmospheric pressure is not provided to the particles or the particles are filled in a mold without compressing them with a gas during the in-mold foam molding.

Abstract translation: 含有Z均分子量Mz与数均分子量Mn，Mz / Mn的比为20以上且300以下，聚丙烯无规共聚物的熔融流动速率为5g / 10分钟以上20g / 10分钟以下，熔融强度为2.5cN以下，弯曲弹性模量为600MPa以上，1600MPa以下，优选具有至少2个热熔融面积， 诸如在模内发泡成型中具有短的成型周期的可回收盒的模内发泡模塑制品和美观的表面性质; 并且即使在模内发泡成型时，即使不向颗粒提供超过大气压的内部压力，或者在模具中填充颗粒而不用气体压缩，则成型性优异。

公开(公告)号：US20160229971A1

公开(公告)日：2016-08-11

申请号：US15023005

申请日：2014-09-11

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Akira ISAYAMA ,  Masahiko OZAWA

IPC: C08J9/00 ,  C08J9/22 ,  C08J9/14 ,  C08J9/18

CPC classification number: C08J9/0066 ,  C08J9/0014 ,  C08J9/0019 ,  C08J9/0028 ,  C08J9/0033 ,  C08J9/0061 ,  C08J9/0095 ,  C08J9/141 ,  C08J9/18 ,  C08J9/22 ,  C08J9/232 ,  C08J2201/034 ,  C08J2203/14 ,  C08J2203/182 ,  C08J2325/06 ,  C08J2423/06 ,  C08J2423/08 ,  C08J2423/12

Abstract: Carbon black-containing composite resin pre-expanded particles comprising 100 to 400 parts by mass of a polystyrene-based resin with respect to 100 parts by mass of a carbon black-containing polyolefin-based resin; having a carbon black content of 0.5 to 5.0% by mass and a bulk density of 0.015 to 0.25 g/cm3; and having an outermost layer of 30 to 80 pm after undergoing the following tests: (a) one of the carbon black-containing composite resin pre-expanded particles is sliced into a 1-mm slice in such a way that cross-section surfaces of cells are exposed on both surfaces of the slice; (b) the obtained slice is immersed in toluene at 25° C. for 24 hours to extract a polystyrene-based resin component as described above; (c) the cross-section surface of the slice is then subjected to magnified photographing by a microscope; (d) the obtained microscope image is observed.

Abstract translation: 含有炭黑的复合树脂预发泡粒子，相对于100质量份含炭黑的聚烯烃类树脂，含有100〜400质量份的聚苯乙烯类树脂; 炭黑含量为0.5〜5.0质量％，堆积密度为0.015〜0.25g / cm3; 并在进行以下试验后具有30至80μm的最外层：（a）将含炭黑的复合树脂预发泡颗粒之一切成1mm切片，使得横截面为 细胞暴露在切片的两个表面上; （b）将得到的切片在25℃下浸入甲苯中24小时以提取如上所述的聚苯乙烯类树脂组分; （c）切片的横截面由显微镜进行放大拍摄; （d）观察所得显微镜图像。

公开(公告)号：US09309384B2

公开(公告)日：2016-04-12

申请号：US14003407

申请日：2012-03-02

Applicant: Toru Yoshida

Inventor： Toru Yoshida

IPC: C08K13/02 ,  C08J9/00 ,  C08J9/12 ,  C08J9/18 ,  C08J9/232

CPC classification number: C08K13/02 ,  C08J9/0004 ,  C08J9/0014 ,  C08J9/0066 ,  C08J9/0095 ,  C08J9/122 ,  C08J9/18 ,  C08J9/232 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2203/14 ,  C08J2205/046 ,  C08J2205/052 ,  C08J2323/08

Abstract: Provided are (i) polyethylene resin foamed particles which are obtained by foaming polyethylene resin particles to be foamed having good productivity and a high expansion ratio and which are suppressed in reduction of cell diameters, and (ii) a polyethylene resin in-mold foam molded article obtained from the polyethylene resin foamed particles which has good surface smoothness while being reduced in surface yellowing. The polyethylene resin foamed particles (i) contain, as a base resin, a polyethylene resin composition containing, in an amount of not less than 1000 ppm to not more than 4000 ppm in total, one or more compounds selected from the group consisting of antioxidants, metal stearates, and inorganic substances and (ii) have Z-average molecular weight of not less than 40×104 to not more than 70×104, an average cell diameter of not less than 180 μm to not more than 450 μm, and an open-cell ratio of not more than 12%.

Abstract translation: 本发明提供（i）聚乙烯树脂发泡粒子，其通过发泡聚乙烯树脂颗粒发泡得到，生产率高，膨胀率高，抑制了细胞直径的降低，（ⅱ）聚乙烯树脂模内发泡成型 从具有良好表面平滑性的聚乙烯树脂发泡颗粒获得的物品在表面变黄的同时减少。 聚乙烯树脂发泡粒子（i）含有作为基础树脂的含有不少于1000ppm至不超过4000ppm总量的一种或多种选自抗氧化剂的化合物的聚乙烯树脂组合物 ，金属硬脂酸盐和无机物质，（ii）Z平均分子量为40×10 4〜70×10 4以下，平均气泡直径为180μm以上且450μm以下，以及 开细胞比例不超过12％。