公开(公告)号：US20150299420A1

公开(公告)日：2015-10-22

申请号：US14437710

申请日：2013-10-24

Applicant: POLYPLASTICS CO., LTD.

Inventor： Hiroki ARAI

IPC: C08K3/34

CPC classification number: C08K3/34 ,  C08K3/346 ,  C08L67/02 ,  C08L81/02 ,  C08L101/00

Abstract: A corona resistant resin composition having sufficient resistance to corona discharge, and a corona resistant member are provided. This corona resistant member is formed by molding a corona-resistant resin composition obtained by melting and mixing at least a resin component and mica, and a mode diameter of the mica in the volume-based particle size distribution measured by a laser diffraction/scattering method after molding is 1 to 200 μm. For 100 parts by mass of the resin component, there are preferably 25-101 parts by mass of mica.

Abstract translation: 提供具有足够的耐电晕放电性的抗电晕树脂组合物和抗电晕部件。 该抗电晕部件是通过将通过熔融混合至少树脂成分和云母得到的电晕耐用树脂组合物和通过激光衍射/散射法测定的基于体积的粒径分布中的云母的模量直径成型而形成的 成型后为1〜200μm。 对于100质量份的树脂成分，优选云母为25〜101质量份。

公开(公告)号：US20130263959A1

公开(公告)日：2013-10-10

申请号：US13910555

申请日：2013-06-05

Applicant: Polyplastics Co., Ltd.

Inventor： Shigeru NEZU ,  Masumi TANIKITA

IPC: F16L9/133

CPC classification number: F16L9/133 ,  Y10T428/1393 ,  Y10T428/31533

Abstract: The present invention provides a highly heat-resistant multi-layer molded article having excellent adhesion between layers and which can be inexpensively produced and easily recycled. The multi-layer molded article comprises an innermost layer including a first polyarylene sulfide-derived resin composition having 95% to 91% by mass of a polyarylene sulfide-derived resin and 5% to 9% by mass of an olefinic (olefine-derived) elastomer, and an outer layer disposed on an outer-side of the innermost layer, including a second polyarylene sulfide-derived resin composition having 5 to 35 parts by mass of reinforced fibers and 100 parts by mass of a third polyarylene sulfide-derived resin composition having 95% to 80% by mass of a polyarylene sulfide-derived resin and 5% to 20% by mass of an olefinic elastomer.

Abstract translation: 本发明提供了一种具有优异的层间粘附性的高耐热性多层成型体，能够廉价地制造并且易于再循环。 所述多层成型体包括由聚亚芳基硫醚衍生的树脂构成的具有95〜91质量％的第一聚芳硫醚系树脂组合物和5质量％〜9质量％的烯烃（烯烃衍生物）树脂组合物的最内层， 弹性体和设置在最内层的外侧的外层，包括第二聚芳撑硫醚衍生的树脂组合物，其具有5至35质量份增强纤维和100质量份第三聚芳撑硫醚衍生的树脂组合物 具有95〜80质量％的聚芳硫醚衍生的树脂和5〜20质量％的烯烃系弹性体。

公开(公告)号：US20040171730A1

公开(公告)日：2004-09-02

申请号：US10733773

申请日：2003-12-12

Applicant: Polyplastics Co., Ltd.

Inventor： Hanlong Tsai ,  Hiroyuki Hase

IPC: C08K003/18 ,  C08K005/04

CPC classification number: C08K3/22 ,  C08L61/04

Abstract: The present invention relates to a polyoxymethylene composition that is excellent in heat stability and mold properties (mold release and mold cycle) and can be melt and held in a molding machine with the improved prevention of the resin from color change. The present invention provides the polyoxymethylene composition comprising: a polyoxymethylene; (a) 0.01-3.0% by weight (in the composition, hereinafter likewise) of a steric-hindered phenolic antioxidant; (b) 0.01-1.0% by weight of a compound selected from oxides or carboxylic acid salts of an alkali earth metal; and (c) 0.01-1.0% by weight of an ester of a polyhydric alcohol selected from propylene glycol, trimethylol propane and pentaerythritol and a higher fatty acid (C8-C29).

Abstract translation: 本发明涉及热稳定性和模具性能（脱模和模具循环）优异的聚甲醛组合物，并且可以将树脂熔化并保持在成型机中，从而改善树脂的颜色变化。 本发明提供了聚甲醛组合物，其包含：聚甲醛; （a）0.01-3.0重量％（在组合物中，下文同样）空间位阻酚类抗氧化剂; （b）0.01-1.0重量％的选自碱土金属的氧化物或羧酸盐的化合物; 和（c）0.01-1.0重量％的选自丙二醇，三羟甲基丙烷和季戊四醇的多元醇和高级脂肪酸（C8-C29）的酯。

公开(公告)号：US20040110857A1

公开(公告)日：2004-06-10

申请号：US10613746

申请日：2003-07-07

Applicant: Polyplastics Co., Ltd.

Inventor： Hiroyuki Kanai

IPC: C08F002/46

CPC classification number: C08G2/18 ,  C08G2/10 ,  C08G59/68 ,  C08L63/00 ,  G03F7/038

Abstract: The present invention provides a photo-curable resin composition composed of (A) a cyclic acetal compound, (B) an epoxy compound, and (C) a photocationic polymerization initiator, which has a low viscosity and which can be completely cured into the inside thereof in a short period of irradiation time.

Abstract translation: 本发明提供一种由（A）环状缩醛化合物，（B）环氧化合物和（C）光聚合引发剂组成的光固化树脂组合物，其具有低粘度并且可以完全固化到内部 在短时间内照射。

公开(公告)号：US20250129232A1

公开(公告)日：2025-04-24

申请号：US18834325

申请日：2023-01-25

Applicant: Polyplastics Co., Ltd.

Inventor： Yunosuke Tsuboi

IPC: C08K3/013 ,  B23K26/70 ,  B23K103/16 ,  B29C48/68 ,  B29K81/00 ,  B29K505/00 ,  B29K509/08 ,  C08K5/098 ,  C08K7/14

Abstract: A polyarylene sulfide resin composition that is suitable for laser welding, and a method for producing the same are provided. A method for improving the laser beam transmittance of a molded body containing a polyarylene sulfide resin is also provided. The resin composition for laser welding contains: 100 parts by mass of a polyarylene sulfide resin; and at least 0.03 parts by mass and at most 1.05 parts by mass of a laser beam transmittance improving agent including at least one material selected from the group consisting of potassium hydroxide, sodium hydroxide, sodium acetate, calcium hydroxide, potassium acetate, lithium hydroxide, lithium acetate, zinc hydroxide, zinc acetate, magnesium hydroxide, zinc oxide, zinc carbonate, and zinc carbonate basic.

公开(公告)号：US12257786B2

公开(公告)日：2025-03-25

申请号：US17783326

申请日：2020-12-16

Applicant: Polyplastics Co., Ltd.

Inventor： Takato Isomura ,  Kazuya Goshima ,  Kouichi Sakata

IPC: B29C65/16 ,  B29K67/00 ,  B29K69/00 ,  B29K105/00

Abstract: A molded article for laser welding is disclosed which has excellent visible light transmittance and laser transmittance and in which variation in laser transmittance is suppressed, and an agent for suppressing variation in laser transmittance of a molded article for laser welding. The molded article for laser welding includes a polybutylene terephthalate resin composition containing 100 parts by mass of (A) a polybutylene terephthalate resin, (B) a polycarbonate resin in which the melt viscosity at 300° C. and a shear rate of 1000 sec−1 is 0.20 kPa·s or greater, and 1 part by mass or greater and 10 parts by mass or less of (C) an epoxy-based compound, the molded article having a thickness at a welded part of 1.3 mm or greater, and an agent for suppressing variation in laser transmittance of a molded article for laser welding, the agent containing an epoxy-based compound.

公开(公告)号：US12139601B2

公开(公告)日：2024-11-12

申请号：US17434226

申请日：2020-03-24

Applicant: Polyplastics Co., Ltd.

Inventor： Itsuki Saito ,  Yoshihiro Asai ,  Kazuya Goshima

IPC: C08L67/02

Abstract: A method for improving the comparative tracking index of a thermoplastic resin, as measured in compliance with IEC60112, 3rd edition, is disclosed by blending a carbodiimide compound in the thermoplastic resin; use of a carbodiimide compound for improving the comparative tracking index of a thermoplastic resin, as measured in compliance with IEC60112, 3rd edition; and a tracking resistance improving agent for a thermoplastic resin, for improving the comparative tracking index of the thermoplastic resin, as measured in compliance with IEC60112, 3rd edition. The carbodiimide compound is preferably used at a ratio of 0.01 parts by mass or more with respect to 100 parts by mass of the thermoplastic resin.

公开(公告)号：US20240368375A1

公开(公告)日：2024-11-07

申请号：US18292554

申请日：2022-07-25

Applicant: Polyplastics Co., Ltd.

Inventor： Ryo Takeuchi

IPC: C08K3/32 ,  C08J3/20 ,  C08K3/30

Abstract: Provided is a fully aromatic ether ketone resin composition including: (A) a prescribed fully aromatic ether ketone resin; and (B) a salt composed of an acid and a base, in which a pH thereof obtained by performing measurement by means of a pH measurement method below is 6 to 8. [pH measurement method] (a) To 10 g of a powder of the fully aromatic ether ketone resin composition, 5 mL of acetone is added, then 100 mL of pure water is added thereto, a mixture is stirred for 10 minutes, and then the mixture is subjected to filtration. (b) 0.1 mL of pure water is added dropwise to a residue obtained by volatilizing a liquid component of a filtrate obtained. (c) A temperature is set to 25° C., and the pH is measured by contacting a pH test paper with the pure water added dropwise.

公开(公告)号：US20230331977A1

公开(公告)日：2023-10-19

申请号：US18030572

申请日：2021-09-27

Applicant: POLYPLASTICS CO., LTD.

Inventor： Yuuki Kanda ,  Tomohiro Monma ,  Hiroki Arai

IPC: C08L59/04 ,  C08K5/13 ,  C08K3/22 ,  C08K3/04 ,  C08L71/02

CPC classification number: C08L59/04 ,  C08K5/13 ,  C08K3/22 ,  C08K3/041 ,  C08L71/02 ,  C08K2201/011 ,  C08K2201/006 ,  C08K2201/014 ,  C08K2201/001 ,  C08K2003/222 ,  C08K2003/2296 ,  C08K2201/003

Abstract: A polyacetal resin composition contains a polyacetal copolymer resin (A) in an amount of 100 parts by mass, the polyacetal copolymer resin having a hemiformal terminal group amount of 0.8 mmol/kg or less, a hindered phenol-based antioxidant (B) in an amount of 0.2 to 2.0 parts by mass, at least one of magnesium oxide or zinc oxide (C) in an amount of more than 2.0 parts by mass and 20 parts by mass or less, a carbon-based conductive additive (D) in an amount of 0.3 to 2.5 parts by mass, and polyalkylene glycol (E) in an amount of 0.5 to 3.0 parts by mass, wherein the carbon-based conductive additive (D) is one selected from a group consisting of only a carbon nano-structure (D1) and a combination of the carbon nano-structure (D1) and carbon black (D2) having a BET specific surface area of 300 m2/g or more.

公开(公告)号：US20230250255A1

公开(公告)日：2023-08-10

申请号：US18014894

申请日：2021-06-14

Applicant: Polyplastics Co., Ltd.

Inventor： Yuuki Kanda ,  Hidekazu Idei

IPC: C08K3/04 ,  C08L29/14 ,  C08L81/04 ,  C08G63/183 ,  B29C48/40 ,  B29C48/00 ,  B29C45/00

CPC classification number: C08K3/041 ,  B29C45/0001 ,  B29C48/022 ,  B29C48/40 ,  C08G63/183 ,  C08L29/14 ,  C08L81/04 ,  B29K2059/00 ,  C08K2201/011 ,  C08L2203/30 ,  C08L2205/24

Abstract: Provided is a thermoplastic resin composition obtained by melt-kneading at least 0.1 to 0.5 parts by mass of a carbon nanostructure relative to 100 parts by mass of a thermoplastic resin; a member formed by molding the thermoplastic resin composition; a method of manufacturing a member including steps of preparing the thermoplastic resin composition, and molding the thermoplastic resin composition into a predetermined shape; and a method of enhancing mechanical strength of a member formed from a thermoplastic resin composition by using a resin composition obtained by melt-kneading 0.1 to 0.5 parts by mass of a carbon nanostructure relative to 100 parts by mass of a thermoplastic resin.