公开(公告)号：US09475934B2

公开(公告)日：2016-10-25

申请号：US14419414

申请日：2013-07-11

Applicant: KANEKA CORPORATION ,  RIKEN

Inventor： Hideki Abe ,  Noriyuki Suzuki ,  Tetsuya Minami ,  Nobuo Nakamura

IPC: C08L67/04 ,  C08K5/053 ,  C08G63/06 ,  C08G63/08

CPC classification number: C08L67/04 ,  C08G63/06 ,  C08G63/08 ,  C08K5/053

Abstract: An object is to increase crystallization speed, which is a drawback of polyhydroxyalkanoate, to improve processability in processing such as injection molding or blow molding and increase the speed of processing and is, in addition, to refine the crystal of polyhydroxyalkanoate to suppress a change of mechanical properties with passage of time of a resulting molded article. Disclosed herein is a polyester resin composition containing polyhydroxyalkanoate and pentaerythritol.

Abstract translation: 目的是提高结晶速度，这是聚羟基链烷酸酯的缺点，以提高加工中的加工性能，例如注射成型或吹塑成型，并提高加工速度，此外，为了改善聚羟基链烷酸酯的结晶以抑制 机械性能随着所得模塑制品的时间流逝。 本文公开了含有聚羟基链烷酸酯和季戊四醇的聚酯树脂组合物。

公开(公告)号：US20150210801A1

公开(公告)日：2015-07-30

申请号：US14419414

申请日：2013-07-11

Applicant: KANEKA CORPORATION ,  RIKEN

Inventor： Hideki Abe ,  Noriyuki Suzuki ,  Tetsuya Minami ,  Nobuo Nakamura

IPC: C08G63/06

CPC classification number: C08L67/04 ,  C08G63/06 ,  C08G63/08 ,  C08K5/053

Abstract: An object is to increase crystallization speed, which is a drawback of polyhydroxyalkanoate, to improve processability in processing such as injection molding or blow molding and increase the speed of processing and is, in addition, to refine the crystal of polyhydroxyalkanoate to suppress a change of mechanical properties with passage of time of a resulting molded article. Disclosed herein is a polyester resin composition containing polyhydroxyalkanoate and pentaerythritol.

Abstract translation: 目的是提高结晶速度，这是聚羟基链烷酸酯的缺点，以提高加工中的加工性能，例如注射成型或吹塑成型，并提高加工速度，此外，为了改善聚羟基链烷酸酯的结晶以抑制 机械性能随着所得模塑制品的时间流逝。 本文公开了含有聚羟基链烷酸酯和季戊四醇的聚酯树脂组合物。

公开(公告)号：US20170306145A1

公开(公告)日：2017-10-26

申请号：US15645232

申请日：2017-07-10

Applicant: Kaneka Corporation

Inventor： Tetsuya Minami ,  Noriyuki Suzuki

IPC: C08L67/04

CPC classification number: C08L67/04 ,  C08J5/00 ,  C08K3/34 ,  C08K5/053 ,  C08L101/16 ,  C08L2201/06 ,  C08L2201/08 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/06

Abstract: A polyester resin composition includes: a polylactic acid; a poly(3-hydroxyalkanoate); pentaerythritol; and a silicate. In the polyester resin composition, an amount of the polylactic acid is from 55 to 75 parts by weight, and an amount of the poly(3-hydroxyalkanoate) (B) is from 25 to 45 parts by weight, with respect to 100 parts by weight of a total amount of the polylactic acid and the poly(3-hydroxyalkanoate); an amount of the pentaerythritol is from 0.05 to 20 parts by weight with respect to 100 parts by weight of the total amount of the polylactic acid and the poly(3-hydroxyalkanoate); and an amount of the silicate is from 10 to 40 parts by weight with respect to 100 parts by weight of the total amount of the polylactic acid and the poly(3-hydroxyalkanoate).

公开(公告)号：US09624346B2

公开(公告)日：2017-04-18

申请号：US14761811

申请日：2013-12-12

Applicant: KANEKA CORPORATION

Inventor： Noriyuki Suzuki ,  Tetsuya Minami

IPC: C08J3/20 ,  B29C45/00 ,  C08K5/05 ,  C08L67/04 ,  C08L101/00 ,  C08J3/22 ,  C08K5/053 ,  B29K67/00 ,  B29L31/00

CPC classification number: C08J3/20 ,  B29C45/0001 ,  B29K2067/06 ,  B29L2031/00 ,  C08J3/226 ,  C08J2367/04 ,  C08J2467/04 ,  C08K5/053 ,  C08K2201/005 ,  C08L67/04 ,  C08L101/00

Abstract: A resin composition, which can achieve the crystallization effect of pentaerythritol, is provided with good workability.The resin composition includes a thermoplastic resin (A) and pentaerythritol particles (B), wherein 70% or more of the pentaerythritol particles (B) have a particle diameter of 100 μm or less.

公开(公告)号：US09340659B2

公开(公告)日：2016-05-17

申请号：US14439512

申请日：2013-10-28

Applicant: KANEKA CORPORATION

Inventor： Noriyuki Suzuki ,  Tetsuya Minami

IPC: C08K5/20 ,  C08K5/053 ,  C08L101/16

CPC classification number: C08K5/20 ,  C08K5/053 ,  C08L101/16 ,  C08L67/04

Abstract: The present invention provides a resin composition that improves slow crystallization, which is a drawback of polyhydroxyalkanoates, and is excellent in molding processability and productivity. The resin composition is an aliphatic polyester resin composition comprising a polyhydroxyalkanoate (A), an amide bond-containing compound (B), and pentaerythritol (C), wherein the amide bond-containing compound (B) is represented by any one of the following general formulas: R1—C(O)N(R2)2, R1—C(O)NH—(R3)—NHC(O)—R1, R1—NHC(O)NH—(R3)—NHC(O)NH—R1, R1—NHC(O)—R2, R1—NHC(O)—(R3)—C(O)NH—R1, R1—C(O)NH—(R3)—C(O)NH—R1, R1—NHC(O)NH—(R3)—C(O)NH—R1, and R1—NHC(O)NH—(R3)—NHC(O)—R1.

Abstract translation: 本发明提供了改善缓慢结晶的树脂组合物，这是聚羟基链烷酸酯的缺点，并且成型加工性和生产率优异。 树脂组合物是包含聚羟基链烷酸酯（A），含酰胺键的化合物（B）和季戊四醇（C）的脂肪族聚酯树脂组合物，其中含酰胺键的化合物（B）由以下任何一种表示 通式：R1-C（O）N（R2）2，R1-C（O）NH-（R3）-NHC（O）-R1，R1-NHC（O）NH-（R3）-NHC（O） （O）-R 2，R 1 -NHC（O） - （R 3）-C（O）NH-R 1，R 1 -C（O）NH-（R 3） R1，R1-NHC（O）NH-（R3）-C（O）NH-R1和R1-NHC（O）NH-（R3）-NHC（O）-R1。

公开(公告)号：US10544301B2

公开(公告)日：2020-01-28

申请号：US16076206

申请日：2017-01-30

Applicant: KANEKA CORPORATION

Inventor： Tetsuya Minami

IPC: C08L67/02 ,  C08L67/04 ,  C08K3/36 ,  C08K5/092 ,  C08K5/1515 ,  C08K5/053

Abstract: A biodegradable polyester resin composition containing 30 to 60 parts by weight of (A) a polylactic acid, 25 to 45 parts by weight of (B) a poly-3-hydroxyalkanoate, and 5 to 25 parts by weight of (C) an aliphatic-aromatic polyester, based on 100 parts by weight in total of (A) the polylactic acid, (B) the poly-3-hydroxyalkanoate and (C) the aliphatic-aromatic polyester. The biodegradable polyester resin composition further contains 0.05 to 20 parts by weight: of (D) pentaerythritol, 10 to 40 parts by weight of (E) a silicate, and 0 to 3 parts by weight of (F) a compatibilizer having an epoxy group, relative to 100 parts by weight in total of (A) the polylactic acid, (B) the poly-3-hydroxyalkanoate, and (C) the aliphatic-aromatic polyester.

公开(公告)号：US10030117B2

公开(公告)日：2018-07-24

申请号：US15028627

申请日：2014-09-12

Applicant: KANEKA CORPORATION

Inventor： Ryohei Koyama ,  Tetsuya Minami ,  Noriyuki Suzuki

IPC: C08K5/053 ,  C08K7/02 ,  C08J5/00 ,  C08K3/26 ,  C08K3/34 ,  C08K5/11 ,  C08K11/00 ,  C08K3/013

Abstract: An object of the present invention is to: improve slowness of crystallization that is a drawback of polyhydroxyalkanoate; suppress bloom of a nucleating agent or the like; and improve surface smoothness and mold transferability of an obtained molded body.The present invention provides an aliphatic polyester resin composition including polyhydroxyalkanoate (A), pentaerythritol (B), and a filler (C).

公开(公告)号：US09890279B2

公开(公告)日：2018-02-13

申请号：US15107687

申请日：2014-12-04

Applicant: KANEKA CORPORATION

Inventor： Tetsuya Minami ,  Noriyuki Suzuki

IPC: C08L67/04

CPC classification number: C08L67/04 ,  C08K5/053 ,  C08L23/0853 ,  C08L31/04 ,  C08L2201/06 ,  C08L2205/06 ,  C08L2205/24

Abstract: An object is to improve slow crystallization that is a drawback of polyhydroxyalkanoates, improve processability in mold processing, such as injection molding, improve processing speed, and suppress blooming from a obtaining molded article. Provided is an aliphatic polyester resin composition including a polyhydroxyalkanoate (A), a vinyl acetate-containing copolymer (B), and pentaerythritol (C), wherein the polyhydroxyalkanoate (A) and the vinyl acetate-containing copolymer (B) are immiscible.

公开(公告)号：US12187868B2

公开(公告)日：2025-01-07

申请号：US17622555

申请日：2020-05-07

Applicant: KANEKA CORPORATION

Inventor： Tetsuya Minami

IPC: C08J9/18 ,  C08J9/00 ,  C08J9/12 ,  C08J9/232 ,  C08L67/04

Abstract: Provided are poly(3-hydroxyalkanoate) foam particles in which a gel fraction of the whole foam particles is from 30 to 80% by weight and a difference in gel fraction between inside and outside of the foam particles is 25% by weight or less. Preferably, the foam particles are particles crosslinked by an organic peroxide. Preferably, the organic peroxide has a 1 hour half-life temperature of 114 to 124° C., contains a carbonate group, and is liquid at room temperature.

公开(公告)号：US20170362396A1

公开(公告)日：2017-12-21

申请号：US15695313

申请日：2017-09-05

Applicant: Kaneka Corporation

Inventor： Tetsuya Minami ,  Noriyuki Suzuki

IPC: C08J3/22 ,  C08K5/053 ,  C08L67/04 ,  B29B7/00 ,  C12P7/62 ,  C08K3/34 ,  B29K33/04

CPC classification number: C08J3/22 ,  B29B7/002 ,  B29K2033/04 ,  C08J3/226 ,  C08J2300/16 ,  C08J2367/04 ,  C08J2400/16 ,  C08J2467/04 ,  C08K3/34 ,  C08K5/053 ,  C08L67/04 ,  C08L2201/08 ,  C12P7/625

Abstract: Methods may include methods of producing polyester resin composition and methods of producing a polyester resin formed article that make it possible to improve thermal resistance, and to provide the polyester resin composition and the polyester resin formed article. Methods of producing a polyester resin composition may include: a step (I-a) of obtaining a polylactic acid composition (X) containing a polylactic acid (A), pentaerythritol (C), and a silicate (D); and a step (II-a) of mixing the polylactic acid composition (X) with a poly(3-hydroxyalkanoate) (B).