公开(公告)号：US20240317907A1

公开(公告)日：2024-09-26

申请号：US18655177

申请日：2024-05-03

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo KATO ,  Satoru YONEDA ,  Manabu FUJISAWA ,  Kazuya ASANO ,  Takahiro KITAHARA ,  Masahiro HIGASHI ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA ,  Shinnosuke NITTA ,  Marina NAKANO ,  Hirotoshi YOSHIDA ,  Yoshinori NANBA ,  Kengo ITO ,  Chiaki OKUI ,  Hirokazu AOYAMA ,  Masamichi SUKEGAWA ,  Taku YAMANAKA ,  Yuuji TANAKA ,  Kenji ICHIKAWA ,  Yohei FUJIMOTO ,  Hiroyuki SATO

IPC: C08F14/26 ,  C08K5/098 ,  C08K5/42

CPC classification number: C08F14/26 ,  C08K5/098 ,  C08K5/42 ,  C08K2201/014 ,  C08K2201/019

Abstract: Composition including (a) a fluoropolymer; and (b1) at least one of a compound represented by the formula (4) ((H—(CF2)7—COO)pM1) or the formula (4′) ((H—(CF2)8—COO)pM1) of the present disclosure, both respectively in an amount of 100 ppb or less relative to the fluoropolymer, or (b2) at least one of a compound represented by the formula (5) ((H—(CF2)13—COO)pM1) or the formula (5′) ((H—(CF2)14—COO)pM1) of the present disclose, both respectively in an amount of 100 ppb or less relative to the fluoropolymer.

公开(公告)号：US20230220129A1

公开(公告)日：2023-07-13

申请号：US18119371

申请日：2023-03-09

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo KATO ,  Satoru YONEDA ,  Masahiro HIGASHI ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA ,  Moe HOSOKAWA ,  Marina NAKANO ,  Hirotoshi YOSHIDA ,  Yoshinori NANBA ,  Kengo ITO ,  Chiaki OKUI ,  Kenji ICHIKAWA ,  Yohei FUJIMOTO ,  Hirokazu AOYAMA ,  Masamichi SUKEGAWA ,  Taku YAMANAKA ,  Hiroyuki SATO

IPC: C08L27/18 ,  C08F2/28 ,  C08F114/26 ,  C08K5/19

CPC classification number: C08L27/18 ,  C08F2/28 ,  C08F114/26 ,  C08K5/19

Abstract: A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer, the surfactant being represented by the general formula (1): CR1R2R4—CR3R5—X-A, wherein R1 to R5 are each H or a monovalent substituent, with the proviso that at least one of R1 and R3 represents a group represented by the general formula: —Y—R6 and at least one of R2 and R3 represents a group represented by the general formula: —X-A or a group represented by the general formula: —Y—R6; and A is the same or different at each occurrence and is —COOM, —SO3M, or —OSO3M. Also disclosed is a surfactant for polymerization represented by the general formula (1), a method for producing a fluoropolymer using the surfactant, a composition including a fluoropolymer and the surfactant and a molded body including the composition.

公开(公告)号：US20210053906A1

公开(公告)日：2021-02-25

申请号：US17041261

申请日：2019-03-26

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Michiaki OKADA ,  Koutarou HAYASHI ,  Satoru YONEDA

IPC: C07C211/63 ,  C07C209/68

Abstract: An object of the present disclosure is to provide a method for producing a tetraalkylammonium nitrite that is capable of efficiently producing the desired product, and/or increasing the purity of the desired product. The object is achieved by a method for producing a tetraalkylammonium nitrite including step A of reacting, in a solvent, a tetraalkylammonium salt with a metal salt that is not a silver salt, to form a tetraalkylammonium nitrite and an insoluble metal salt.

公开(公告)号：US20220332865A1

公开(公告)日：2022-10-20

申请号：US17858450

申请日：2022-07-06

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshito TANAKA ,  Makoto MATSUURA ,  Yuuki SUZUKI ,  Akitoshi OGATA ,  Satoru YONEDA

IPC: C08F214/18 ,  C09D5/24 ,  C09D127/12 ,  C09D7/20

Abstract: An object of the present disclosure is to provide, for example, a fluoropolymer electret material with hardness. The present disclosure relates to an electret material comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group; and the fluoropolymer has a mass average molecular weight of 1 million or more and 5 million or less, or 5000 or more and less than 20000.

公开(公告)号：US20210108008A1

公开(公告)日：2021-04-15

申请号：US16499047

申请日：2018-03-30

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo KATO ,  Satoru YONEDA ,  Manabu FUJISAWA ,  Kazuya ASANO ,  Takahiro KITAHARA ,  Masahiro HIGASHI ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA ,  Shinnosuke NITTA ,  Marina NAKANO ,  Hirotoshi YOSHIDA ,  Yoshinori NANBA ,  Kengo ITO ,  Chiaki OKUI ,  Hirokazu AOYAMA ,  Masamichi SUKEGAWA ,  Taku YAMANAKA ,  Yuuji TANAKA ,  Kenji ICHIKAWA ,  Yohei FUJIMOTO ,  Hiroyuki SATO

IPC: C08F14/26 ,  C08K5/42 ,  C08K5/098

Abstract: A method for producing a fluoropolymer of the invention which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R1a—CO—R2a—CO—R3a-Aa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-Ab.

公开(公告)号：US20200172476A1

公开(公告)日：2020-06-04

申请号：US16338250

申请日：2017-09-29

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Satoru YONEDA ,  Manabu FUJISAWA ,  Kazuya ASANO ,  Takahiro KITAHARA ,  Masahiro HIGASHI ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA

IPC: C07C305/04

Abstract: A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula: R1—C(═O)—R2—C(═O)—R3—OSO3X wherein R1, R2 and R3 are as defined herein; X is H, a metal atom, NR44, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where R4s are each H or an organic group and are the same as or different from each other; and any two of R1, R2, and R3 optionally bind to each other to form a ring.

公开(公告)号：US20220259337A1

公开(公告)日：2022-08-18

申请号：US17606368

申请日：2020-04-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Satoru YONEDA ,  Masahiro HIGASHI ,  Sumi ISHIHARA ,  Hirotoshi YOSHIDA ,  Yohei FUJIMOTO

IPC: C08F6/20 ,  C08F2/30 ,  C08F2/44 ,  C08F14/26 ,  C08L27/18

Abstract: A method for producing a fluoropolymer aqueous dispersion, including a step A of performing ultrafiltration, microfiltration, or dialysis membrane treatment, or a combination thereof on a pretreatment aqueous dispersion containing a fluoropolymer obtained by polymerization in the presence of a polymer (I) including a polymerized unit (I) derived from a monomer represented by the following general formula (I), with the proviso that the fluoropolymer is other than the polymer (I): CX1X3═CX2R(—CZ1Z2-A0)m  (I) wherein X1 and X3 are each independently F, Cl, H, or CF3; X2 is H, F, an alkyl group, or a fluorine-containing alkyl group; A0 is an anionic group; R is a linking group; Z1 and Z2 are each independently H, F, an alkyl group, or a fluorine-containing alkyl group; and m is an integer of 1 or more.

公开(公告)号：US20210340098A1

公开(公告)日：2021-11-04

申请号：US17351022

申请日：2021-06-17

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Satoru YONEDA ,  Manabu Fujisawa ,  Kazuya Asano ,  Takahiro Kitahara ,  Masahiro Higashi ,  Akiyoshi Yamauchi ,  Sumi Ishihara ,  Yosuke Kishikawa

IPC: C07C305/04

Abstract: A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula: R1—C(═O)—R2—C(═O)—R3—OSO3X wherein R1, R2 and R3 are defined herein; X is H, a metal atom, NR44, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where R4s are each H or an organic group and are the same as or different from each other; and any two of R1, R2, and R3 optionally bind to each other to form a ring. Also disclosed is a surfactant containing the sulfuric acid ester and an aqueous dispersant containing the sulfuric acid ester.

公开(公告)号：US20210002199A1

公开(公告)日：2021-01-07

申请号：US16978997

申请日：2019-03-07

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Masahiro HIGASHI ,  Satoru YONEDA ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA

IPC: C07C45/34 ,  C07C51/373 ,  C07B41/06 ,  B01J23/44

Abstract: A method for producing a carbonyl compound represented by formula (1): wherein R1 is hydrogen or an organic group; R2 is hydrogen or an organic group; and R3 is hydrogen or an organic group; or two or three of R1, R2, and R3 may be linked to form a ring that may have at least one substituent, the method comprising step A of oxidizing an olefin compound represented by formula (2): wherein symbols are as defined above, by an oxidizing agent in the presence of (a) a non-alcohol organic solvent, (b) water, (c) a metal catalyst, and (d) an additive represented by the formula: MXn, wherein M is an element belonging to any one of Group 1, Group 2, Group 13, Group 14, and Group 15 in the periodic table, or NR4, wherein R is hydrogen or a C1-10 organic group; X is halogen; and n is a number of 1 to 5.

公开(公告)号：US20200024229A1

公开(公告)日：2020-01-23

申请号：US16495641

申请日：2018-03-30

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Masahiro HIGASHI ,  Satoru YONEDA ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA ,  Marina NAKANO ,  Shinnosuke NITTA ,  Hirokazu AOYAMA

IPC: C07C309/10 ,  C07C53/126 ,  C07C59/347

Abstract: A sulfonic acid or carboxylic acid containing a carbonyl group, or a salt thereof represented by the following formula: R1—C(═O)—(CR22)—(OR3)p—(CR42)q-L-A wherein R1, R2, R3, R4, n, p, q, A and L are as defined herein.