公开(公告)号：US20230056130A1

公开(公告)日：2023-02-23

申请号：US17782193

申请日：2020-12-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Lisa P. Chen ,  Gregg D. Dahlke ,  Denis Duchesne ,  Klaus Hintzer ,  Matthew J. Lindell ,  Sean M. Smith ,  Arne Thaler ,  Michael A. Yandrasits

IPC: H01M8/1039 ,  H01M8/1004 ,  H01M4/90 ,  H01M4/88

Abstract: The copolymer includes divalent units represented by formula —[CF2—CF2]—, at least one divalent unit represented by formula (I): and at least one divalent unit independently represented by formula (II): A is —N(RFa)2 or a is non-aromatic, 5- to 8-membered, perfluorinated ring comprising one or two nitrogen atoms in the ring and optionally comprising at least one oxygen atom in the ring, each RFa is independently linear or branched perfluoroalkyl having 1 to 8 carbon atoms and optionally interrupted by at least one catenated O or N atom, each Y is independently —H or —F, with the proviso that one Y may be —CF3, h is 0, 1, or 2, each i is independently 2 to 8, and j is 0, 1, or 2. A catalyst ink and polymer electrolyte membrane including the copolymer are also provided.

公开(公告)号：US20200303755A1

公开(公告)日：2020-09-24

申请号：US16646638

申请日：2018-09-14

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Lisa P. Chen ,  Gregg D. Dahlke ,  Denis Duchesne ,  Steven J. Hamrock ,  Klaus Hintzer ,  Markus E. Hirschberg ,  Arne Thaler ,  Tilman C. Zipplies

IPC: H01M8/1039 ,  C08F214/26 ,  H01M4/86 ,  H01M8/1004 ,  H01M8/1023

Abstract: The copolymer includes divalent units represented by formula —[CF2-CF2]—, divalent units represented by formula: (I), and one or more divalent units independently represented by formula: (II) When Z is hydrogen, the copolymer has an alpha transition temperature of up to 100 ?C. The copolymer has an —SO3Z equivalent weight in a range from 300 to 1400, and a variation of the copolymer in which —SO3Z is replaced with —SO2F has a melt flow index of up to 80 grams per ten minutes measured at a temperature of 265° C. and at a support weight of 5 kg. A catalyst ink or polymer electrolyte membrane including the copolymer are also provided.

公开(公告)号：US10730980B2

公开(公告)日：2020-08-04

申请号：US15550324

申请日：2016-02-12

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Denis Duchesne ,  Klaus Hintzer ,  Harald Kaspar ,  Kai H. Lochhaas ,  Per M. Nelson ,  Jens C. Schrooten ,  Karl D. Weilandt ,  Tilman C. Zipplies

IPC: C08F214/28 ,  C08F8/22 ,  C08F214/26 ,  H01B3/44

Abstract: A copolymer having tetrafluoroethylene units, hexafluoropropylene units, and units independently represented by formula in a range from 0.02 to 2 mole percent, based on the total amount of the copolymer. Rf is a linear or branched perfluoroalkyl group having from 1 to 8 carbon atoms and optionally interrupted by one or more —O— groups, z is 1 or 2, each n is independently from 1 to 6, and m is 0 or 1. The copolymer has a melt flow index in a range from 25 grams per 10 minutes to 35 grams per 10 minutes and has a combined number of unstable end groups and —CF2H end groups in a range from 25 per 106 carbon atoms up to 120 per 106 carbon atoms. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.

公开(公告)号：US10717795B2

公开(公告)日：2020-07-21

申请号：US15550314

申请日：2016-02-12

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Denis Duchesne ,  Klaus Hintzer ,  Harald Kaspar ,  Kai H. Lochhaas ,  Jens Schrooten ,  Tilman C. Zipplies

IPC: C08F214/26 ,  C08K5/42 ,  C08J9/00 ,  H01B3/44 ,  H01B7/02

Abstract: A copolymer having tetrafluoroethylene units, hexafluoropropylene units, and units independently represented by formula in a range from 0.001 to 2 mole percent, based on the total amount of the copolymer. In these units, a is 0 or 1, each b is independently from 1 to 4, c is 0 to 4, d is 0 or 1, and e is 1 to 6. In the —SO2X groups, X is independently —F, —NH2, —OH, or —OZ, wherein Z is independently a metallic cation or a quaternary ammonium cation. The copolymer has a melt flow index in a range from 20 grams per 10 minutes to 40 grams per 10 minutes. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.

公开(公告)号：US10590224B2

公开(公告)日：2020-03-17

申请号：US15742202

申请日：2016-07-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

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

IPC: C08F299/02 ,  C08F293/00 ,  C08F16/24 ,  C08F214/22 ,  C08F214/26 ,  C08F214/28 ,  C08K5/14

Abstract: Described herein is a millable fluorinated block copolymer having at least one A block and at least one B block, wherein the A block is a semi-crystalline segment comprising repeating divalent monomeric units derived from TFE, HFP and VDF; and the B block is a segment comprising repeating dilvalent monomeric units derived from HFP and VDF; 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：US20190352444A1

公开(公告)日：2019-11-21

申请号：US16477006

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

Abstract: There is provided a curable composition comprising a 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 a fluorinated monomer; and (b) at least one B block, wherein the B block is a segment comprising repeating divalent monomeric units that comprises at least a fluorinated monomer and a nitrile-containing cure-site monomer.

公开(公告)号：US20180057625A1

公开(公告)日：2018-03-01

申请号：US15550308

申请日：2016-02-12

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Klaus Hintzer ,  Harald Kaspar ,  Kai H. Lochhaas ,  Jens Schrooten ,  Tilman C. Zipplies ,  Denis Duchesne

IPC: C08F214/26 ,  C08J9/00

CPC classification number: C08F214/262 ,  C08F214/26 ,  C08F2800/10 ,  C08J9/00 ,  C08J2201/03 ,  C08J2327/18 ,  C08K5/42 ,  H01B3/445 ,  H01B7/0275

Abstract: A copolymer having tetrafluoroethylene units and units independently represented by formula (I) in a range from 0.02 to 2 mole percent, based on the total amount of the copolymer. Rf is a linear or branched perfluoroalkyl group having from 1 to 8 carbon atoms and optionally interrupted by one or more —0— groups, n is independently from 1 to 6, and z is 0, 1, or 2. The copolymer has a melt flow index in a range from 20 grams per 10 minutes to 40 grams per 10 minutes. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.

公开(公告)号：US11492431B2

公开(公告)日：2022-11-08

申请号：US16645882

申请日：2018-09-14

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Lisa P. Chen ,  Gregg D. Dahlke ,  Denis Duchesne ,  Steven J. Hamrock ,  Klaus Hintzer ,  Markus E. Hirschberg ,  Arne Thaler ,  Tilman C. Zipplies

IPC: C08F214/26 ,  C08F8/12 ,  C08F214/18 ,  C08F8/44 ,  C08F216/14 ,  C08F2/10 ,  C08J5/22 ,  C09D11/52 ,  H01M8/1004 ,  H01M8/1039 ,  H01M4/86 ,  H01M8/1023 ,  H01M8/10

Abstract: The copolymer includes divalent units represented by formula —[CF2—CF2]—, divalent units represented by formula; and one or more divalent units independently represented by formula: The copolymer has an —SO2X equivalent weight in a range from 300 to 2000. A polymer electrolyte membrane that includes the copolymer and a membrane electrode assembly that includes such a polymer electrolyte membrane are also provided.

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：US10723868B2

公开(公告)日：2020-07-28

申请号：US15767893

申请日：2016-10-12

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Claude Lavallée ,  Peter J. Scott ,  Denis Duchesne ,  Dale E. Hutchens ,  Larry A. Last ,  Kirsten J. Fronek ,  Thomas J. Blong

IPC: C08L27/06 ,  C08L23/06 ,  B29B7/88 ,  B29C48/00 ,  B29K23/00

Abstract: A polymer composition includes a non-fluorinated, thermoplastic polymer and a minor amount of a fluoropolymer combined with the non-fluorinated polymer. A polymer processing additive composition that includes a fluoropolymer and a polymer processing additive synergist is also disclosed. The fluoropolymer includes diads represented by formula —CF2-CF(R)—CH(R′)—CF(R″)— in a range from about 23 mole percent to about 50 mole percent. Each R is independently —CF3, —Rf, or —ORf, each R′ and R″ are independently H, F, CF3, or —Rf, and each Rf is independently a perfluoroalkyl group having from 1 to 12 carbon atoms and optionally interrupted by one or more —O— groups. A method of reducing melt defects during the extrusion of a polymer is also disclosed.