公开(公告)号：US20150315351A1

公开(公告)日：2015-11-05

申请号：US14698001

申请日：2015-04-28

Applicant: JSP CORPORATION

Inventor： Mitsuru SHINOHARA ,  Masaharu OIKAWA

IPC: C08J9/00

CPC classification number: C08J9/0061 ,  C08J9/232 ,  C08J2367/04

Abstract: A polylactic acid-based resin foamed molded article having a voidage of 5 to 45% by volume, a bulk density BD [g/cm3] of 0.01 to 0.2 g/cm3 and a ratio FT/BD of a flexural strength FT [MPa] thereof to the bulk density BD in the range of 6 to 25 MPa·cm3/g.

Abstract translation: 空隙率为5〜45体积％，堆积密度BD [g / cm 3]为0.01〜0.2g / cm 3，弯曲强度FT / MPa的FT / BD的聚乳酸类树脂发泡成型体， 的体积密度BD在6〜25MPa·cm 3 / g的范围内。

公开(公告)号：US20150218332A1

公开(公告)日：2015-08-06

申请号：US14420832

申请日：2013-08-01

Applicant: JSP CORPORATION

Inventor： Takashi Nishimoto ,  Takeshi Aoki

IPC: C08J9/00 ,  C08J5/18 ,  B32B27/06

CPC classification number: C08J9/0061 ,  B32B27/065 ,  B32B27/22 ,  B32B27/32 ,  B32B2266/025 ,  B32B2307/56 ,  B32B2457/20 ,  B32B2553/00 ,  C08J5/18 ,  C08J9/08 ,  C08J9/141 ,  C08J2201/03 ,  C08J2203/14 ,  C08J2323/06 ,  C08J2423/06 ,  Y10T428/249991

Abstract: An extruded foam sheet having a foam layer constituted of a base resin containing low density polyethylene as a major component thereof, wherein the foam sheet has an apparent density of 45 to 450 kg/m3, an average thickness of 0.03 mm or more and less than 0.3 mm and a dimensional change of −5% to 0% in the extrusion direction when heated at 80° C. for 24 hours and wherein cell walls of the foam layer have an average thickness of 6 to 70 μm. The foam sheet may be used as an interleaf sheet for glass plates.

Abstract translation: 一种具有由含有低密度聚乙烯作为其主要成分的基础树脂构成的发泡层的挤出泡沫片材，其中，泡沫片材的表观密度为45〜450kg / m 3，平均厚度为0.03mm以上且小于 0.3mm，在80℃加热24小时时，挤出方向的尺寸变化为-5％〜0％，泡沫层的泡孔壁的平均厚度为6〜70μm。 泡沫片可以用作玻璃板的中间片。

公开(公告)号：US09079360B2

公开(公告)日：2015-07-14

申请号：US13994387

申请日：2011-12-08

Applicant: Tokunobu Nohara ,  Mitsuru Shinohara ,  Takuya Chiba ,  Masaharu Oikawa

Inventor： Tokunobu Nohara ,  Mitsuru Shinohara ,  Takuya Chiba ,  Masaharu Oikawa

IPC: B29C67/20 ,  C08J9/00 ,  C08J9/12 ,  C08J9/18 ,  C08J9/232

CPC classification number: C08J9/122 ,  B29C44/04 ,  B29C44/445 ,  B29C67/205 ,  C08J9/0061 ,  C08J9/16 ,  C08J9/18 ,  C08J9/232 ,  C08J2201/03 ,  C08J2323/00 ,  C08J2323/12 ,  C08J2323/14 ,  C08J2423/00 ,  Y10T428/249921

Abstract: A process produces a polyolefin-based resin expanded beads molded article that is excellent in bending deflection characteristics, high in porosity, low in bulk density and light in weight, and has interconnected void spaces. The process comprises filling, in a mold cavity, multi-layered polyolefin-based resin expanded beads each of which has a cylindrical, polyolefin-based resin expanded core layer and a polyolefin-based resin outer layer covering the expanded core layer and which satisfy specific requirements, introducing steam in the mold cavity to heat the multi-layered expanded beads filled in the mold cavity to fuse bond and mold the multi-layered expanded beads in the mold cavity.

Abstract translation: 该方法制造弯曲偏转特性优异，孔隙率高，堆积密度低，重量轻的聚烯烃系树脂发泡粒子成型品，具有互连的空隙。 该方法包括在模腔中填充多层聚烯烃基树脂发泡珠，其各自具有圆柱形聚烯烃基树脂发泡芯层和覆盖该膨胀芯层的聚烯烃基树脂外层，并且满足特定的 要求，在模具腔中引入蒸汽以加热填充在模腔中的多层膨胀珠，以熔合粘合并在模腔中模制多层发泡珠。

公开(公告)号：US20150102269A1

公开(公告)日：2015-04-16

申请号：US14381467

申请日：2013-02-08

Applicant: JSP CORPORATION

Inventor： Takuya Chiba ,  Masaharu Oikawa ,  Mitsuru Shinohara

IPC: H01B1/24 ,  B29B9/06

CPC classification number: H01B1/24 ,  B29B9/06 ,  B29K2023/06 ,  B29K2023/12 ,  B29K2105/04 ,  B29K2507/04 ,  B29K2995/0005 ,  C08J9/224 ,  C08J2201/038 ,  C08J2323/12 ,  C08J2423/06

Abstract: An electrostatic dissipative, polypropylene-based resin expanded bead having an expanded core layer of a polypropylene-based resin, and a cover layer that covers the expanded core layer and that is composed of a mixed resin containing electrically conductive carbon black, wherein the mixed resin includes a polypropylene resin which forms a continuous phase and a polyethylene resin which forms dispersed phases dispersed in the continuous phase, with the electrically conductive carbon black being unevenly distributed to the dispersed phases side. In-mold molding of the expanded beads gave a molded article.

Abstract translation: 一种具有聚丙烯类树脂发泡芯层的静电耗散型聚丙烯系树脂发泡珠，覆盖该发泡芯层并由含有导电性炭黑的混合树脂构成的覆盖层，其中，混合树脂 包括形成连续相的聚丙烯树脂和形成分散在连续相中的分散相的聚乙烯树脂，导电炭黑不均匀地分布在分散相侧。 发泡珠的模内成型得到模塑制品。

公开(公告)号：US20140339013A1

公开(公告)日：2014-11-20

申请号：US14264591

申请日：2014-04-29

Applicant: JSP CORPORATION

Inventor： Tatsuya KOIZUMI

IPC: F24F13/24

CPC classification number: F24F13/24 ,  B29C49/0005 ,  B29C49/04 ,  B29C2049/609 ,  B29K2023/00 ,  B29K2105/04 ,  B29K2995/0002 ,  B29K2995/0064 ,  B29L2023/004 ,  B29L2023/22 ,  B60H1/00564 ,  F24F2013/242

Abstract: A duct of a foamed blow-molded article that is constituted of a polyolefin-based resin with a bending elastic modulus of 800-1,300 MPa, that has an average apparent density (D) of 0.1 to 0.4 g/cm3 and an average thickness (T) [cm] providing D×T2 of 0.005 to 0.04 g/cm, and that has an outer surface side region and an inner surface side region having an average apparent density lower than that of the outer surface region.

Abstract translation: 一种发泡吹塑制品的导管，其由弯曲弹性模量为800-1,300MPa的聚烯烃类树脂构成，其平均表观密度（D）为0.1〜0.4g / cm 3，平均厚度（ T）[cm]，提供0.005至0.04g / cm 3的D×T2，并且具有外表面侧区域和具有低于外表面区域的平均视在密度的内表面侧区域。

公开(公告)号：US20140249240A1

公开(公告)日：2014-09-04

申请号：US14279907

申请日：2014-05-16

Applicant: Masaomi SHIMA

Inventor： Masaomi SHIMA

IPC: C08J9/18

CPC classification number: C08J9/18 ,  C08J9/141 ,  C08J9/16 ,  C08J2203/14 ,  C08J2325/04 ,  C08J2423/02

Abstract: Disclosed is expandable modified resin beads (1), comprising a modified resin as a base resin in which a dispersion phase (3) containing a styrene resin as a major component is dispersed in a continuous phase (2) containing an olefin resin as a major component, and a physical blowing agent. Further disclosed are expanded modified resin beads obtained by expanding the expandable modified resin beads (1), and a foamed molded article formed from the expanded modified resin beads obtained by molding the expanded modified resin beads in a mold. A volume average diameter of the dispersion phase (3) dispersed in the continuous phase (2) is 0.55 μm or more. The expandable modified resin beads (1) have, as a base resin, the modified resin contains 80 to 50 parts by mass of the styrene resin with respect to 20 to 50 parts by mass parts of the olefin resins.

Abstract translation: 公开了一种可膨胀改性树脂珠（1），其包含作为基础树脂的改性树脂，其中以含有苯乙烯树脂为主要成分的分散相（3）分散在包含烯烃树脂作为主要的连续相（2）中 组分和物理发泡剂。 进一步公开了通过膨胀可膨胀改性树脂珠（1）而获得的膨胀改性树脂珠，以及由通过在模具中成型发泡改性树脂珠而获得的发泡改性树脂珠形成的发泡模塑制品。 分散在连续相（2）中的分散相（3）的体积平均直径为0.55μm以上。 可膨胀改性树脂珠（1）以20〜50质量份的烯烃系树脂作为基础树脂具有苯乙烯系树脂80〜50质量份。

公开(公告)号：US20140235741A1

公开(公告)日：2014-08-21

申请号：US14347140

申请日：2012-08-30

Applicant: JSP CORPORATION

Inventor： Mitsuru Shinohara ,  Masaharu Oikawa

IPC: C08G63/08

CPC classification number: C08J9/12 ,  C08G63/08 ,  C08J9/122 ,  C08J9/18 ,  C08J9/232 ,  C08J2300/16 ,  C08J2333/02 ,  C08J2367/04

Abstract: Polylactic acid-based resin expanded beads of the present invention are obtained by releasing a softened, pressurized foamable resin composition, which comprises a polylactic acid-based resin and a physical blowing agent, to a low pressure atmosphere to foam and expand the resin composition, wherein the polylactic acid-based resin satisfies the conditions (1) to (3) shown below, and exhibits excellent secondary expansion properties and fusion bonding properties. A polylactic acid-based resin expanded beads molded article obtained by in-mold molding of the polylactic acid-based resin expanded beads exhibits excellent mechanical properties. MT≦30 mN  (1) log MT≦0.93 log η−1.75  (2) CT1/2≧600 sec  (3) where MT represents a melt tension [mN] at 190° C., η represents a melt viscosity [Pa·s] at 190° C. and a shear speed of 20 sec−1, and CT1/2 represents a half crystallization time [sec] at 110° C.

Abstract translation: 本发明的聚乳酸类树脂发泡珠粒通过将含有聚乳酸类树脂和物理发泡剂的软化的加压发泡树脂组合物释放到低压气氛中以使树脂组合物发泡和膨胀而获得， 其中所述聚乳酸类树脂满足下述条件（1）至（3），并且显示出优异的二次膨胀性和熔融粘合性。 通过聚乳酸类树脂发泡粒子的模内成型得到的聚乳酸类树脂发泡粒子成型体的机械特性优异。 MT＆nlE; 30mN（1）log MT＆nlE; 0.93log＆eegr; -1.75（2）CT1 /2≥600秒（3）其中MT表示在190℃下的熔体张力[mN] 表示190℃下的熔融粘度[Pa·s]，剪切速度为20秒-1，CT1 / 2表示110℃下的半结晶时间[秒]。

公开(公告)号：US20140221517A1

公开(公告)日：2014-08-07

申请号：US14342295

申请日：2012-07-20

Applicant: Masaomi Shima ,  Koki Nishijima

Inventor： Masaomi Shima ,  Koki Nishijima

IPC: C08L25/06 ,  C08L23/12

CPC classification number: C08L25/06 ,  C08J9/0061 ,  C08J9/228 ,  C08J2325/04 ,  C08J2423/10 ,  C08L23/10 ,  C08L23/12 ,  C08L2203/14 ,  C08L25/04

Abstract: Provided is an expanded composite resin bead comprising a styrene resin and a propylene resin. The content of the propylene resin component in the expanded composite resin bead is from 20 to 40% by mass relative to a total of 100% by mass of the styrene resin component and the propylene resin component. In a transmission electron micrograph of a cross-section of a cell wall 1 forming the expanded composite resin bead, disperse phases 3 made of the styrene resin are dispersed in a continuous phase 2 made of the propylene resin. An average value of the maximum diameters of the disperse phases 3 is from 0.01 to 1 μm and a value of ratio of the average value of the maximum diameters to an average value of the minimum diameters of the disperse phases 3 is from 1 to 10.

Abstract translation: 提供了包含苯乙烯树脂和丙烯树脂的发泡复合树脂珠。 发泡复合树脂珠粒中丙烯树脂组分的含量相对于总共100质量％的苯乙烯树脂组分和丙烯树脂组分为20〜40质量％。 在形成发泡复合树脂珠的细胞壁1的横截面的透射电子显微镜照片中，由苯乙烯树脂制成的分散相3分散在由丙烯树脂制成的连续相2中。 分散相3的最大直径的平均值为0.01〜1μm，最大直径的平均值与分散相3的最小直径的平均值的比值为1〜10。

公开(公告)号：US08535598B2

公开(公告)日：2013-09-17

申请号：US11488123

申请日：2006-07-18

Applicant: Diasuke Imanari ,  Kenichi Takase ,  Masayasu Okuda ,  Masato Naito

Inventor： Diasuke Imanari ,  Kenichi Takase ,  Masayasu Okuda ,  Masato Naito

IPC: B29C44/34 ,  B29C44/46 ,  B29D23/00

CPC classification number: B29C49/0005 ,  B29C44/08 ,  B29C49/04 ,  B29C49/16 ,  B29C49/22 ,  B29C49/46 ,  B29C2049/4626 ,  B29C2049/4805 ,  B29K2023/12 ,  B29K2105/04 ,  B29L2023/004 ,  B29L2031/30 ,  Y10T428/1376 ,  Y10T428/2915

Abstract: A method for producing a hollow foam molding having a thin and uniform wall thickness, including extruding a foamable melt containing a polypropylene resin having an equilibrium compliance Jeo of 0.5×10−3 to 1.8×10−3 Pa−1 and a swell ratio Sw of 2.5 or less and a physical blowing agent through a die to obtain a parison having a softened polypropylene resin foam layer, placing the parison in a mold, and blowing a gas into the parison to obtain a hollow foam molding having a hardened polypropylene resin foam layer with an apparent density of 0.35 to 0.65 g/cm3.

Abstract translation: 一种具有薄且均匀壁厚的中空发泡模塑制品的方法，包括挤出含有0.5×10 -3至1.8×10 -3 Pa -1的平衡柔量Jeo的聚丙烯树脂的可发泡熔体和膨胀比Sw 2.5或更小的物理发泡剂和通过模头的物理发泡剂以获得具有软化的聚丙烯树脂泡沫层的型坯，将型坯放置在模具中，并将气体吹入型坯中以获得具有硬化聚丙烯树脂泡沫的中空泡沫塑料模制品 层，其表观密度为0.35〜0.65g / cm 3。

公开(公告)号：US08435615B2

公开(公告)日：2013-05-07

申请号：US13273443

申请日：2011-10-14

Applicant: Shohei Tsuchida ,  Tomoo Tokiwa ,  Masato Naito

Inventor： Shohei Tsuchida ,  Tomoo Tokiwa ,  Masato Naito

IPC: B32B1/00 ,  B32B1/02 ,  B32B1/08

CPC classification number: F24F13/0245 ,  B29C49/04 ,  B29C49/22 ,  B29K2023/10 ,  B29K2105/04 ,  B29L2023/004 ,  B29L2031/243 ,  B60H1/00564 ,  C08L23/0815 ,  C08L23/12 ,  C08L2203/14 ,  Y10T428/1376 ,  Y10T428/139 ,  Y10T428/1393 ,  Y10T428/1397

Abstract: A hollow foamed blow-molded article has a polypropylene-based resin foam layer, wherein the polypropylene-based resin foam layer has an equilibrium compliance Je0 of 2.0×10−3 Pa−1 or more and a swell S of 2.5 or less, wherein the foam layer has an apparent density “d” of 0.20 to 0.65 g/cm3 and a ratio a/c of an average cell diameter “a” in the thickness direction of the molded article to an average cell diameter “c” in the longitudinal direction of the molded article of 0.1 to 0.5. The hollow foamed blow-molded article has an average molded article thickness T of 1 to 5 mm and a variation coefficient Cv of the molded article thickness of 50% or less.

Abstract translation: 中空发泡吹塑制品具有聚丙烯基树脂发泡层，其中聚丙烯类树脂发泡层的平衡柔量Je 0为2.0×10 -3 Pa -1以上，溶胀S为2.5以下，其中， 泡沫层的表观密度“d”为0.20〜0.65g / cm 3，成型品的厚度方向的平均泡孔直径“a”的比率a / c相对于纵向的平均泡孔直径“c” 成型品的方向为0.1〜0.5。 中空发泡吹塑制品的平均成型品厚度T为1〜5mm，成型品厚度的变异系数Cv为50％以下。