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：US20230101829A1

公开(公告)日：2023-03-30

申请号：US17974402

申请日：2022-10-26

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

Abstract: A composition including a fluoropolymer and substantially free from a compound represented by the following formula (3): (H—(CF2)8—SO3)qM2, wherein M2 is H, a metal atom, NR54, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent; R5s are each H or an organic group and are the same as or different from each other; and q is 1 or 2.

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.

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：US20220169830A1

公开(公告)日：2022-06-02

申请号：US17672013

申请日：2022-02-15

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 ,  Hiroyuki SATO ,  Yuuji TANAKA ,  Kenji ICHIKAWA ,  Yohei FUJIMOTO

IPC: C08K5/41 ,  C08F14/26 ,  C08K5/098

Abstract: A surfactant for polymerization including at least one selected from a surfactant represented by R1a—CO—R2a—CO—R3a—OSO3Xa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-OSO3Xb, wherein R1a, R2a, R3a, Xa, R1b, R2b, R3b, R4b, L and Xb are as defined herein. Also disclosed is a composition containing a fluoropolymer and the at least one surfactant, a composition containing a fluoropolymer and a compound represented by (H—(CF2)8—SO3)qM2, where M2 is as defined herein, and a molded article made from the composition containing a fluoropolymer and the compound represented by (H—(CF2)8—SO3)qM2.

公开(公告)号：US20210221992A1

公开(公告)日：2021-07-22

申请号：US17262368

申请日：2019-07-23

Applicant: DAIKIN INDUSTRIES, LTD.

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

IPC: C08L27/18 ,  C08J5/18 ,  C08J3/12 ,  B29C71/02

Abstract: A polytetrafluoroethylene having a breaking strength of 10.0 N or more and a thermal instability index (TII) of 20 or more. Also disclosed is a stretched body including the polytetrafluoroethylene.

公开(公告)号：US20210115224A1

公开(公告)日：2021-04-22

申请号：US16498849

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 NAN BA ,  Kengo ITO ,  Chiaki OKUI ,  Hirokazu AOYAMA ,  Masamichi SUKEGAWA ,  Taku YAMANAKA ,  Hiroyuki SATO ,  Yuuji TANAKA ,  Kenji ICHIKAWA ,  Yohei FUJIMOTO

IPC: C08K5/41 ,  C08F14/26 ,  C08K5/098

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 includes at least one selected from the group consisting of a surfactant represented by R1a—CO—R2 a—CO—R3a—OSO3Xa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-OSO3Xb.