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％。

公开(公告)号：US09249281B2

公开(公告)日：2016-02-02

申请号：US14237491

申请日：2012-08-08

Applicant: Jun Fukuzawa

Inventor： Jun Fukuzawa

IPC: C08J9/16 ,  C08J9/18 ,  C08J9/228 ,  C08K5/49 ,  C08K5/5397 ,  C08J9/00 ,  B29C44/34 ,  C08K3/04 ,  C08J9/12 ,  C08J9/232 ,  C08L23/10 ,  C08L23/16

CPC classification number: C08K5/5397 ,  B29C44/3415 ,  B29C44/3461 ,  C08J9/0028 ,  C08J9/0038 ,  C08J9/0061 ,  C08J9/008 ,  C08J9/0095 ,  C08J9/122 ,  C08J9/125 ,  C08J9/18 ,  C08J9/232 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2203/10 ,  C08J2203/182 ,  C08J2205/052 ,  C08J2323/10 ,  C08J2323/16 ,  C08J2471/02 ,  C08K3/04 ,  C08L23/10 ,  C08L23/16 ,  C08L2203/14 ,  Y10T428/2982

Abstract: In order to obtain a flame-retardant polyolefin resin expanding molded product which has excellent in-mold moldability and excellent surface appearance and satisfies the FMVSS flammability even if carbon black is added, polyolefin resin particles containing, with respect to 100 parts by weight of polyolefin resin, (i) 0.03 part by weight to 5 parts by weight of phosphorous flame retardant having a phosphorous content of 7% by weight or more, a melting point of 120° C. or more, and a 5% by weight decomposition temperature within a range of 240° C. to 320° C. and (ii) 0.5 part by weight to 20 parts by weight of carbon black are expanded.

Abstract translation: 为了获得即使加入炭黑也能获得模内成型性优异，表面外观优异且满足FMVSS可燃性的阻燃性聚烯烃树脂发泡成型体，相对于100重量份聚烯烃， 树脂，（i）0.03重量份至5重量份的磷含量为7重量％以上，熔点为120℃以上的磷阻燃剂和5重量％以下的分解温度 240℃〜320℃的范围，（ii）0.5重量份〜20重量份的炭黑。

公开(公告)号：US20160009890A1

公开(公告)日：2016-01-14

申请号：US14770226

申请日：2014-03-28

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Keyaki KOBAYASHI ,  Fusao WATANABE ,  Takuji UGAWA

IPC: C08J9/228 ,  C08J9/14 ,  C08J9/18 ,  C08J9/00

CPC classification number: C08J9/228 ,  C08J9/0061 ,  C08J9/122 ,  C08J9/141 ,  C08J9/18 ,  C08J9/232 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2203/14 ,  C08J2323/08 ,  C08J2331/04 ,  C08J2425/06

Abstract: A method for producing expanded particles, the method comprising dividing at least two or more times expandable particles including a base resin, which is a composite resin of a polyolefin-based resin and a polystyrene-based resin, and a blowing agent and subjecting each to an expansion step, wherein the expandable particles are subjected to the expansion step directly after being held in a pressurized vessel maintained at 0.1 to 0.4 MPa and −20 to 30° C.

Abstract translation: 一种发泡粒子的制造方法，其特征在于，将至少两次以上的可膨胀粒子除以聚烯烃类树脂和聚苯乙烯类树脂的复合树脂的基础树脂和发泡剂， 膨胀步骤，其中可膨胀颗粒在保持在保持在0.1至0.4MPa和-20至30℃的加压容器中之后直接进行膨胀步骤。

公开(公告)号：US08779019B2

公开(公告)日：2014-07-15

申请号：US13521655

申请日：2011-01-14

Applicant: Kiyotaka Nakayama

Inventor： Kiyotaka Nakayama

IPC: C08J9/16 ,  C08J9/00 ,  C08J9/18 ,  C08J9/232

CPC classification number: C08J9/16 ,  C08J9/0023 ,  C08J9/12 ,  C08J9/18 ,  C08J9/228 ,  C08J9/232 ,  C08J2201/034 ,  C08J2323/06 ,  C08J2323/08 ,  C08L23/04

Abstract: A noncrosslinked polyethylene resin expanded particle is provided having a bulk density BD in a range of 10 g/L to 100 g/L, the particle being obtained by expanding a polyethylene resin particle whose density is in a range of 0.920 g/cm3 to 0.940 g/cm3, the noncrosslinked polyethylene resin expanded particle having a shrinkage factor in a range of 2% to 30%, the shrinkage factor being obtained by the following formula (1): Shrinkage Factor =(BD−VBD)×100/VBD  (1), wherein: the BD of the noncrosslinked polyethylene expanded particle is a bulk density at 23° C. and at 0.1 MPa (at a normal atmospheric pressure); and the VBD of the noncrosslinked polyethylene expanded particle is a bulk density at 23° C. and at a reduced pressure of 0.002 MPa or less.

Abstract translation: 提供了一种非交联聚乙烯树脂发泡粒子，其堆积密度BD在10g / L至100g / L的范围内，该颗粒通过使密度在0.920g / cm 3至0.940的范围内的聚乙烯树脂颗粒膨胀而获得 g / cm3，收缩率在2％〜30％的收缩率的非交联聚乙烯树脂发泡体，收缩率由下式（1）求出：收缩系数=（BD-VBD）×100 / VBD（ 1），其中：非交联聚乙烯发泡粒子的BD为23℃，0.1MPa（正常大气压）时的体积密度; 非交联聚乙烯发泡粒子的VBD为23℃，0.002MPa以下的减压下的体积密度。

公开(公告)号：US20140097389A1

公开(公告)日：2014-04-10

申请号：US14047584

申请日：2013-10-07

Applicant: JSP CORPORATION

Inventor： Takuya CHIBA ,  Masaharu OIKAWA ,  Mitsuru SHINOHARA

IPC: H01B1/24

CPC classification number: H01B1/24 ,  C08J9/0061 ,  C08J9/008 ,  C08J9/122 ,  C08J9/18 ,  C08J9/232 ,  C08J9/34 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2205/052 ,  C08J2323/10 ,  C08J2423/04 ,  C08J2453/00

Abstract: An electrostatic dissipating molded article having a surface resistivity of 1×105 to 1×1010Ω and obtained by in-mold molding of multi-layered polyolefin-based resin expanded beads each having an polyolefin-based resin expanded core layer and a polyolefin-based resin cover layer which covers the polyolefin-based resin expanded core layer and which is formed from a polyolefin-based resin (A), a polymeric antistatic agent (B) of a block copolymer of a polyether block and a polyolefin block, and an electrically conductive carbon black (C), the components (A) to (C) being present in a specific proportion.

Abstract translation: 一种表面电阻率为1×105〜1×1010＆OHgr的静电消散模制品; 并且通过模内成型多层聚烯烃系树脂发泡珠而获得，所述多层聚烯烃类树脂发泡珠均具有聚烯烃类树脂发泡芯层和覆盖聚烯烃类树脂发泡芯层的聚烯烃系树脂覆盖层，该聚烯烃类树脂覆盖层由 聚烯烃类树脂（A），聚醚嵌段和聚烯烃嵌段的嵌段共聚物的聚合抗静电剂（B）和导电性炭黑（C），成分（A）〜（C） 具体比例。

公开(公告)号：US20130310475A1

公开(公告)日：2013-11-21

申请号：US13984040

申请日：2012-02-29

Applicant: Yasutaka Tsutsui ,  Shingo Terasaki

Inventor： Yasutaka Tsutsui ,  Shingo Terasaki

IPC: C08J9/35

CPC classification number: C08J9/35 ,  C08F257/02 ,  C08F285/00 ,  C08F2220/1808 ,  C08F2220/1825 ,  C08F2220/1858 ,  C08J9/0061 ,  C08J9/141 ,  C08J9/18 ,  C08J9/224 ,  C08J9/232 ,  C08J2201/034 ,  C08J2201/036 ,  C08J2203/14 ,  C08J2325/06 ,  C08J2351/00 ,  C08J2433/08 ,  C08F212/08 ,  C08F220/18

Abstract: Expanded composite polystyrene-based resin particles having a plurality of cells and cell membranes separating the plurality of cells, said cell membranes including a polystyrene-based resin forming a continuous phase and polyacrylic acid alkyl ester-based resin fine particles dispersed in said continuous phase to form a dispersed phase, and said polystyrene-based resin being complexed with said polyacrylic acid alkyl ester-based resin fine particles, wherein said dispersed phase is present in the form of a plurality of layers in a cell membrane thickness direction in a cell membrane cross-section of said expanded composite polystyrene-based resin particles.

Abstract translation: 具有分离多个细胞的多个细胞和细胞膜的发泡复合聚苯乙烯类树脂颗粒，所述细胞膜包含形成连续相的聚苯乙烯类树脂和分散在所述连续相中的聚丙烯酸烷基酯类树脂细颗粒 形成分散相，并且所述聚苯乙烯类树脂与所述聚丙烯酸烷基酯类树脂微粒络合，其中所述分散相以细胞膜厚度方向的多层形式存在于细胞膜交叉 对所述膨胀的复合聚苯乙烯基树脂颗粒进行切割。