公开(公告)号：US20240240016A1

公开(公告)日：2024-07-18

申请号：US18558718

申请日：2022-05-06

Applicant: NISSHINBO CHEMICAL INC. ,  NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY

Inventor： Takahiro SASAKI ,  Saori KOTANI ,  Akira TANIGUCHI ,  Atsuko FUKASE ,  Ken-ichi KASUYA ,  Yuya TACHIBANA ,  Yukari OHTA

IPC: C08L67/04 ,  C08L67/02

CPC classification number: C08L67/04 ,  C08L67/02 ,  C08L2201/06

Abstract: A biodegradable resin composition is usable for producing a molded article having high biodegradability particularly in the ocean. The biodegradable resin composition contains a biodegradable resin and one or more components selected from agarose, sodium alginate, casein, and keratin. The content of the biodegradable resin is 50% by weight or more.

公开(公告)号：US20180282516A1

公开(公告)日：2018-10-04

申请号：US15764717

申请日：2016-09-30

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Ikuo TAKAHASHI ,  Yoshihiro YAMAZAKI ,  Akira TANIGUCHI ,  Saori KOTANI ,  Naoki NISHIKAWA

IPC: C08K5/29 ,  C08K5/19 ,  C08K5/17 ,  C08K5/3445 ,  C08J3/22 ,  C08L67/02 ,  C08L67/04 ,  C08L77/02

Abstract: There are provided a resin additive with which the generation of an isocyanate gas during the production of a master batch or a resin composition can be effectively suppressed when a carbodiimide compound is used as an additive for improving the hydrolysis resistance of a resin, a master batch using the above resin additive, and a method for producing the same, and a resin composition using the above resin additive, and a method for producing the same. A resin additive comprising a carbodiimide compound (A) and a surfactant (B), and a master batch and a resin composition comprising the above resin additive and a resin (D), and methods for producing these.

公开(公告)号：US20150353708A1

公开(公告)日：2015-12-10

申请号：US14762100

申请日：2014-01-21

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Takahiko ITOH ,  Yoshihiro YAMAZAKI ,  Akira TANIGUCHI ,  Saori KOTANI

IPC: C08K5/29

CPC classification number: C08K5/29 ,  C08L67/00

Abstract: The present invention relates to a polyester resin composition including a polyester resin (A), an aromatic carbodiimide (B) and an aliphatic polycarbodiimide (C), the polyester resin (A) being a polyester resin (a-1) produced from an aliphatic polycarboxylic acid and a dialkyl ester thereof, or an aliphatic polycarboxylic acid anhydride, and an aliphatic polyol, a polyester resin (a-2) produced from an aromatic polycarboxylic acid and a dialkyl ester thereof, or an aromatic polycarboxylic acid anhydride, and an aliphatic polyol, a polyester resin (a-3) produced from 3-hydroxyalkanoic acid, polyethylene terephthalate (a-4), or a polyester resin (a-5) constituted of a copolymer of the polyester resins (a-1) and (a-2).

Abstract translation: 本发明涉及一种聚酯树脂（A），芳香族碳二亚胺（B）和脂肪族聚碳化二亚胺（C）的聚酯树脂组合物，聚酯树脂（A）是由脂肪族 多元羧酸及其二烷基酯，或脂肪族多元羧酸酐，脂肪族多元醇，由芳香族多元羧酸及其二烷基酯或芳族多元羧酸酐制造的聚酯树脂（a-2） 多元醇，由3-羟基链烷酸制成的聚酯树脂（a-3），聚对苯二甲酸乙二醇酯（a-4）或聚酯树脂（a-1）和（a-1）的共聚物构成的聚酯树脂 -2）。

公开(公告)号：US20220396656A1

公开(公告)日：2022-12-15

申请号：US17770362

申请日：2020-10-06

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Takahiro SASAKI ,  Saori KOTANI ,  Akira TANIGUCHI ,  Atsuko FUKASE

IPC: C08G18/09 ,  C08G18/28 ,  C08G18/48 ,  C08G18/32 ,  C08G18/66 ,  C08L67/02 ,  C08L67/04

Abstract: There is provided a compatibilizer for polyester resin which can produce better compatibility than conventional counterparts, and a polyester resin composition using the compatibilizer. The compatibilizer comprises a polycarbodiimide compound represented by the formula (1) describe below wherein the carbodiimide equivalent of the polycarbodiimide compound is 280 or higher; and in the formula (1), R1 and R2 are residues formed by eliminating a functional group from an organic compound having the one functional group reactive with an isocyanate group; R3 is a divalent residue formed by eliminating two isocyanate groups from a diisocyanate compound; R4 is a divalent residue formed by eliminating two hydroxyl groups from a diol compound; X1 and X2 are bonds formed by reaction of the functional group of the organic compound with one of the two isocyanate groups of the diisocyanate compound; and m and n=1 to 20, m+n≤25, and p=0 to 39, provided that the number of carbodiimide groups in one molecule is 2 to 40.

公开(公告)号：US20150353725A1

公开(公告)日：2015-12-10

申请号：US14762087

申请日：2014-01-21

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Takahiko ITOH ,  Yoshihiro YAMAZAKI ,  Akira TANIGUCHI ,  Saori KOTANI

IPC: C08L67/02 ,  C08L79/00

CPC classification number: C08L67/02 ,  C08J3/005 ,  C08J3/201 ,  C08J3/203 ,  C08J2367/02 ,  C08J2367/04 ,  C08J2479/08 ,  C08K5/29 ,  C08L67/00 ,  C08L79/00 ,  C08L79/08

Abstract: The present invention relates to a process for producing a polyester resin composition, including the step of mixing a polyester resin (A), an aromatic carbodiimide (B) and an aliphatic polycarbodiimide (C) at a temperature not lower than a melting temperature of the polyester resin, in which the polyester resin (A) and the aromatic carbodiimide (B) are mixed in the presence of the aliphatic polycarbodiimide (C).

Abstract translation: 本发明涉及一种聚酯树脂组合物的制造方法，其特征在于，在不低于所述聚酯树脂的熔融温度的温度下，将聚酯树脂（A），芳香族碳二亚胺（B）和脂肪族聚碳化二亚胺（C） 在脂肪族聚碳化二亚胺（C）的存在下将聚酯树脂（A）和芳香族碳二亚胺（B）混合的聚酯树脂。

公开(公告)号：US20210395486A1

公开(公告)日：2021-12-23

申请号：US17288763

申请日：2019-10-28

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Kenichi YANAGISAWA ,  Takahiro SASAKI ,  Saori KOTANI

IPC: C08K5/29 ,  C08L67/00 ,  C07C267/00

Abstract: Provided are a polycarbodiimide compound and a polyester resin composition and polyester resin modifier using the polycarbodiimide compound, the polycarbodiimide compound having a small amount of residual amine and having good processability when the polycarbodiimide compound is added to the polyester resin while keeping hydrolysis resistance of polyester resin imparted thereto through addition of the polycarbodiimide compound. A polycarbodiimide compound represented by the following general formula (1): RmNH2-m—CO—NH—Z—(N═C═N—Z)n—NH—CO—NH2-mRm (1) is used, wherein Rm is a hydrocarbon residue of an amine compound which is represented by RmNH3-m and has a boiling point at 1 atm of 150° C. or lower; m is 1 or 2; Z is a residue obtained by removing two isocyanate groups from an aliphatic diisocyanate compound; and n is any integer of 2 to 7.

公开(公告)号：US20160017122A1

公开(公告)日：2016-01-21

申请号：US14774624

申请日：2014-03-12

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Takahiko ITOH ,  Yoshihiro YAMAZAKI ,  Akira TANIGUCHI ,  Saori KOTANI

IPC: C08K5/29

CPC classification number: C08K5/29 ,  C08G18/025 ,  C08G18/095 ,  C08G18/283 ,  C08G18/797 ,  C08L67/02 ,  C08L67/04 ,  C08L79/00

Abstract: The present invention provides an ester-based resin composition having a hydrolysis resistance which is free from significant increase in melt viscosity and solution viscosity. The ester-based resin composition of the present invention includes an ester-based resin, an aliphatic polycarbodiimide other than a xylylene-based aliphatic polycarbodiimide, and a xylylene-based polycarbodiimide, in which a mass ratio of the aliphatic polycarbodiimide other than a xylylene-based aliphatic polycarbodiimide to the xylylene-based polycarbodiimide [(aliphatic polycarbodiimide other than xylylene-based aliphatic polycarbodiimide)/(xylylene-based polycarbodiimide)] is from 0.1 to 10.0.

Abstract translation: 本发明提供了具有耐水解性的酯基树脂组合物，其不会显着增加熔体粘度和溶液粘度。 本发明的酯系树脂组合物含有除了亚二甲苯基脂肪族聚碳化二亚胺以外的酯系树脂，除了亚二甲苯基脂肪族聚碳化二亚胺以外的脂肪族聚碳化二亚胺和亚二甲苯基聚碳化二亚胺，其中除了亚二甲苯基以外的脂肪族聚碳化二亚胺的质量比， 基于亚二甲苯基聚碳化二亚胺[（除了亚二甲苯基脂肪族聚碳化二亚胺以外的脂肪族聚碳化二亚胺）/（亚二甲苯基聚碳化二亚胺）]为0.1〜10.0。