公开(公告)号：US20210284780A1

公开(公告)日：2021-09-16

申请号：US16477019

申请日：2018-01-12

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Denis Duchesne ,  Tatsuo Fukushi ,  Larry A. Last ,  Peter J. Scott ,  Karl D. Weilandt

IPC: C08F293/00 ,  C08F214/22 ,  C08F214/26 ,  C08F214/28 ,  C08F214/16 ,  C08F2/22 ,  C08K5/14

Abstract: Described herein is a millable fluorinated block copolymer having (a) at least one A block, wherein the A block is a semi-crystalline segment comprising repeating divalent monomeric units derived from at least TFE, HFP and VDF; (b) at least one B block, wherein the B block is a segment comprising repeating dilvalent monomeric units derived from at least HFP and VDF; and (c) a bisolefin monomer, wherein at least (i) the semi-crystalline segment of the A block comprises repeating divalent monomeric units derived from TFE, HFP, VDF, and the bisolefin monomer, (ii) the segment of the B block comprises repeating divalent monomeric units derived from HFP, VDF, and the bisolefin monomer, or (iii) a combination thereof; and wherein the millable fluorinated block copolymer has a modulus of 0.1 to 2.5 MPa at 100° C.

公开(公告)号：US10676591B2

公开(公告)日：2020-06-09

申请号：US15775469

申请日：2016-10-21

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Tatsuo Fukushi ,  Muhammad Z. Nawaz ,  Michael C. Dadalas ,  Klaus Hintzer ,  Tilman C. Zipplies ,  Denis Duchesne

IPC: C08K5/06 ,  C08F214/26 ,  C08K3/04 ,  C08K13/02 ,  C08J3/16 ,  H01M8/0228 ,  H01M8/0221 ,  H01M8/0213 ,  C08J3/12 ,  C08J3/21 ,  H01M8/0226

Abstract: A composition of solid particles comprising substantially inorganic, electronically conductive particles and fluoropolymer particles, wherein the fluoropolymer is melt-processable and has a melting point between 100° C. and 325° C. and a melt flow index at 372° C. and at 5 kg load (MFI 372/5) of at least 0.1 and up to 100 g/10 min, and wherein the fluoropolymer particles have a particle size of less than 500 nm and wherein the particles comprising the substantially inorganic, electronically conductive material is present in the form of particles having a particle size of less than 15,000 μm, and methods for producing such compositions and articles containing such compositions.

公开(公告)号：US20180208743A1

公开(公告)日：2018-07-26

申请号：US15741785

申请日：2016-07-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Tatsuo Fukushi ,  Larry A. Last ,  Michael H. Mitchell

IPC: C08K5/3492

CPC classification number: C08K5/34924 ,  C08F214/22 ,  C08F214/26 ,  C08K5/0025 ,  C08K5/14 ,  C08L27/12 ,  C08L27/16 ,  C08L27/18

Abstract: Described herein is a composition comprising: a fluorinated thermosetting plastic comprising repeating divalent monomeric units derived from TFE, HFP and VDF and further comprising a least 0.1-1% by weight iodine endgroups, wherein the fluorinated thermosetting plastic has an MFI greater than 5 g/10 min at 265° C. and 5 kg; and a curing agent.

公开(公告)号：US12168647B2

公开(公告)日：2024-12-17

申请号：US17615155

申请日：2020-06-22

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Tatsuo Fukushi ,  Miguel A. Guerra ,  Zai-Ming Qiu ,  Justin T. Roop

IPC: C08K5/3492 ,  C07D251/24 ,  C08K5/14

Abstract: Described herein are compounds according to Formula (I) wherein Rf is a perfluorinated divalent group comprising 2 to 12 carbon atoms; and Z is selected from —CH═CH2, and —CH2CH═CH. A method of making the compound from a functionalized vinyl ether and ammonia is disclosed. In one embodiment, the functionalized triazine-containing compound is used in the polymerization of a fluoropolymer. In another embodiment, the functionalized triazine-containing compound is used in a curable fluoropolymer composition and cured to form articles.

公开(公告)号：US20240191012A1

公开(公告)日：2024-06-13

申请号：US18553738

申请日：2022-05-31

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Tatsuo Fukushi ,  Miguel A. Guerra ,  Klaus Hintzer ,  Michael H. Mitchell ,  Justin T. Roop ,  Steffen Vowinkel

IPC: C08F214/26 ,  C08F2/26 ,  C08F2/38 ,  C08F216/14 ,  C08L27/18

CPC classification number: C08F214/262 ,  C08F2/26 ,  C08F2/38 ,  C08F216/1408 ,  C08L27/18 ,  C08F2800/20 ,  C08L2201/50

Abstract: Described herein is a method of making a fluoropolymer, the method comprising: providing an aqueous mixture comprising a fluorinated monomer, and an initiator; polymerizing the aqueous mixture under free radical conditions; and adding perfluoromethyl iodide during the polymerization to provide an aqueous dispersion of the fluoropolymer, wherein the amount of perfluorooctanoic acid or salt thereof in the aqueous dispersion of the fluoropolymer is not more than 25 nanograms per gram of the fluoropolymer.

公开(公告)号：US20240113301A1

公开(公告)日：2024-04-04

申请号：US18462577

申请日：2023-09-07

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Michael C. Dadalas ,  Mark W. Muggli ,  Helmut Traunspurger ,  André Streiter ,  Kevin W. Eberman ,  Brandon A. Bartling

IPC: H01M4/62

CPC classification number: H01M4/625 ,  H01M4/623

Abstract: Methods of preparing a dry powder blend co-coagulating conductive carbon black particles and fibrillizable polytetrafluoroethylene particles from an aqueous dispersion and drying the co-coagulate are described. Dry powders prepared by such methods and electrodes prepared from such powders are also described.

公开(公告)号：US20230022686A1

公开(公告)日：2023-01-26

申请号：US17756977

申请日：2020-12-08

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Miguel A. Guerra ,  Stephen E. Amos ,  Jarod R. Lowry

IPC: C08K5/5419 ,  C08K5/54 ,  C08K7/28 ,  C08K9/06

Abstract: Fluoropolymer compositions containing glass microspheres are described. The glass microspheres are surface-treated with functional, fluorinated silane compounds of the formula X—Rf—(O)p—(CH2)m—Si—Y3, wherein X is selected from the group consisting of CF2═CF—O—, CH2═CH—, CH2═CHCH2—, CH2═CHCH2—O—, and CH2═CHCH2—O—CH2—.

公开(公告)号：US11499032B2

公开(公告)日：2022-11-15

申请号：US17626215

申请日：2020-08-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Benjamin J. Anderson ,  Gregg D. Dahlke ,  Tatsuo Fukushi

IPC: C08K5/372 ,  C08K5/3477 ,  C08F214/26 ,  C08K5/14 ,  C08K5/06 ,  C08K5/29

Abstract: Described herein are fluoropolymer compositions comprising a compound of Formula (I) wherein X1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; O and X2 comprises a carbon-carbon double bond. In one embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system.

公开(公告)号：US20220235016A1

公开(公告)日：2022-07-28

申请号：US17615155

申请日：2020-06-22

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Tatsuo Fukushi ,  Miguel A. Guerra ,  Zai-Ming Qiu ,  Justin T. Roop

IPC: C07D251/24 ,  C08K5/3492

Abstract: Described herein are compounds according to Formula (I) wherein Rf is a perfluorinated divalent group comprising 2 to 12 carbon atoms; and Z is selected from —CH═CH2, and —CH2CH═CH. A method of making the compound from a functionalized vinyl ether and ammonia is disclosed. In one embodiment, the functionalized triazine-containing compound is used in the polymerization of a fluoropolymer. In another embodiment, the functionalized triazine-containing compound is used in a curable fluoropolymer composition and cured to form articles.

公开(公告)号：US20220073664A1

公开(公告)日：2022-03-10

申请号：US17414280

申请日：2019-12-17

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Tatsuo Fukushi ,  Tamon Aoki ,  Qilin Chan ,  Miguel A. Guerra ,  Klaus Hintzer ,  Florian D. Jochum ,  Michael H. Mitchell ,  Allen M. Sohlo ,  Yuta Suzuki

IPC: C08F214/26

Abstract: The composition includes a curable fluoropolymer having nitrogen-containing cure sites and a curative including an organo onium cation and an anion represented by Formula (I) or Formula (II). The composition is free of metal cations or has not more than 20 parts per million metal cations and free of silicon dioxide or has less than 0.5 percent by weight silicon dioxide, based on the total weight of the composition. In some cases, the composition consists of the curable fluoropolymer and the curative. Shaped articles including the composition, a fluoroelastomer prepared by curing the composition, a method of making a fluoroelastomer article, and a process for making the composition are also described.