公开(公告)号：US20230323004A1

公开(公告)日：2023-10-12

申请号：US18022281

申请日：2021-08-20

Applicant: Nisshinbo Chemical Inc.

Inventor： Nami TSUKAMOTO ,  Naoki NISHIKAWA

IPC: C08G18/02 ,  C08G18/79 ,  C08L79/00

CPC classification number: C08G18/025 ,  C08L79/00 ,  C08G18/79

Abstract: Provided is a waterborne resin crosslinking agent, as well as a waterborne resin crosslinking agent-containing liquid and a waterborne resin composition, including the waterborne resin crosslinking agent. The waterborne resin crosslinking agent of the present invention includes a polycarbodiimide compound (A) and a polycarbodiimide compound (B); the polycarbodiimide compound (A) has a structure in which the isocyanate groups at both terminals are each capped with a predetermined hydrophilic organic compound; the polycarbodiimide compound (B) has, as a structural unit, a diisocyanate compound having one cyclohexyl ring or one benzene ring, and has a structure in which the isocyanate groups at both terminals are each capped with a predetermined organic compound, and the polycarbodiimide compound (A) is in an amount of 5 to 90 parts by mass per 100 parts by mass in total of the polycarbodiimide compounds (A) and (B).

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：US20230323005A1

公开(公告)日：2023-10-12

申请号：US18022393

申请日：2021-08-20

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Nami TSUKAMOTO ,  Naoki NISHIKAWA

IPC: C08G18/02 ,  C08G18/79 ,  C08L79/08 ,  C09D5/02 ,  C09D11/102 ,  C09J11/06 ,  C09J201/02

CPC classification number: C08G18/025 ,  C08G18/797 ,  C08L79/08 ,  C09D5/022 ,  C09D11/102 ,  C09J11/06 ,  C09J201/025

Abstract: A waterborne resin crosslinking agent is provided, wherein the waterborne resin crosslinking agent of the present invention includes a polycarbodiimide compound (A) and a polycarbodiimide compound (B); the polycarbodiimide compound (A) has a structure in which the isocyanate groups at both terminals are each capped with a predetermined hydrophilic organic compound; the polycarbodiimide compound (B) has a chain diisocyanate compound as a structural unit, and has a structure in which the isocyanate groups at both terminals are each capped with a predetermined organic compound, and the polycarbodiimide compound (A) is in an amount of 5 to 90 parts by mass per 100 parts by mass in total of the polycarbodiimide compounds (A) and (B).

公开(公告)号：US20210139632A1

公开(公告)日：2021-05-13

申请号：US16605990

申请日：2018-04-18

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Naoki NISHIKAWA ,  Nami TSUKAMOTO ,  Kenichi YANAGISAWA ,  Yoshihiro YAMAZAKI

IPC: C08G18/09 ,  C08G18/08 ,  C08G18/10 ,  C08G18/28 ,  C08G18/73 ,  C08G18/75 ,  C08G18/76 ,  C08L75/04 ,  C08L33/08 ,  C08L67/00

Abstract: There are provided a carbodiimide compound excellent in storage stability, and performance as a crosslinking agent, and a method for producing the same, and a resin composition excellent in the film forming properties and solvent resistance of a coating made at low temperature. A polycarbodiimide compound derived from an aliphatic diisocyanate compound having at least one primary isocyanate group, the polycarbodiimide compound having a structure in which all ends are capped with an organic compound having a functional group that reacts with an isocyanate group, carbodiimide group concentration A (%) and weight average molecular weight Mw satisfying the following formula (1), and a resin composition comprising the carbodiimide compound and an aqueous resin having a predetermined acid value at a predetermined ratio. (A/Mw)×1000≥0.55  (1)

公开(公告)号：US20230348716A1

公开(公告)日：2023-11-02

申请号：US18022426

申请日：2021-08-20

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Nami TSUKAMOTO ,  Naoki NISHIKAWA

IPC: C08L79/08 ,  C09D11/107 ,  C09D11/033 ,  C09J11/08 ,  C09J133/08

CPC classification number: C08L79/08 ,  C09D11/107 ,  C09D11/033 ,  C09J11/08 ,  C09J133/08

Abstract: Provided is a waterborne resin crosslinking agent and the like capable of obtaining a waterborne resin crosslinking agent-containing liquid excellent in storage stability and the like as well as a cured film (waterborne resin coating film) with sufficiently high gloss (relative-specular glossiness). The waterborne resin crosslinking agent including a polycarbodiimide compound (A) and a polycarbodiimide compound (B), wherein the polycarbodiimide compound (A) has a structure in which isocyanate groups at both terminals are each capped with a hydrophilic organic compound, and at least one of the hydrophilic organic compounds has a molecular weight of more than 350, the polycarbodiimide compound (B) has a structure in which isocyanate groups at both terminals are each capped with a compound having a molecular weight of 250 or less, represented by the following formula (1):


R1(OCHR2CH2)mOH  (1)

wherein R1 is an alkyl group, cycloalkyl group, or aryl group having 1 to 13 carbon atoms, R2 is a hydrogen atom, a methyl group, an ethyl group, or a propyl group, and m is a numeral of 1 to 4, and the polycarbodiimide compound (A) is in an amount of 5 to 95 parts by mass per 100 parts by mass in total of the polycarbodiimide compound (A) and the polycarbodiimide compound (B).

公开(公告)号：US20230323007A1

公开(公告)日：2023-10-12

申请号：US18022299

申请日：2021-08-20

Applicant: NISSHINBO CHEMICAL INC.

Inventor： Nami TSUKAMOTO ,  Naoki NISHIKAWA

IPC: C08G18/28 ,  C08G18/02 ,  C09D5/02 ,  C09D7/47 ,  C09D11/03 ,  C09D11/102 ,  C09J11/06 ,  C09J175/12

CPC classification number: C08G18/282 ,  C08G18/025 ,  C09D5/022 ,  C09D7/47 ,  C09D11/03 ,  C09D11/102 ,  C09J11/06 ,  C09J175/12

Abstract: Provided is a waterborne resin crosslinking agent and the like capable of inhibiting lowering of gloss (relative specular glossiness) of cured films (waterborne resin coating films) after heating. The waterborne resin crosslinking agent includes a polycarbodiimide compound (A) and a polycarbodiimide compound (B); the polycarbodiimide compound (A) has a structure in which isocyanate groups at both terminals are each capped with a hydrophilic organic compound, and at least one of the hydrophilic organic compounds has a molecular weight of 340 or more; the polycarbodiimide compound (B) has a structure in which isocyanate groups at both terminals are each capped with a monool compound having 3 to 18 carbon atoms; when the monool compound has 3 to 17 carbon atoms, the polycarbodiimide compound (A) is in an amount of 5 to 95 parts by mass per 100 parts by mass in total of the polycarbodiimide compound (A) and the polycarbodiimide compound (B); and when the monool compound has 18 carbon atoms, the polycarbodiimide compound (A) is in an amount of 30 to 70 parts by mass per 100 parts by mass in total of the polycarbodiimide compound (A) and the polycarbodiimide compound (B).