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：US20210230328A1

公开(公告)日：2021-07-29

申请号：US17053985

申请日：2019-05-08

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Klaus Hintzer ,  Florian D. Jochum ,  Herbert Koenigsmann ,  Jens Schrooten ,  Tilman C. Zipplies ,  Karl D. Weilandt

IPC: C08F214/26

Abstract: Method of reducing the amount of a fluorinated acid or its salts from a fluoropolymer, the method comprises: (i) providing a composition containing particles of the fluoropolymer, (ii) contacting the fluoropolymer particles with a treatment composition comprising at least one organic liquid; and, optionally, further comprising (iii) isolating, washing and subjecting the fluoropolymer to drying treatment, and wherein the fluoropolymer contains units derived from tetrafluoroethene (TFE) and is selected from the group of fluoroelastomers and the group of fluoropolymers having a melting point of less than 150° C. Also provided are fluoropolymer and compositions containing such polymers that are essentially free of fluorinated acids and their salts.

公开(公告)号：US11028198B2

公开(公告)日：2021-06-08

申请号：US16325831

申请日：2017-08-01

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Harald Kaspar ,  Klaus Hintzer ,  Markus E. Hirschberg ,  Herbert Koenigsmann ,  Karl D. Weilandt ,  Tilman C. Zipplies

IPC: C08F214/26 ,  C08F214/28 ,  H01B3/44 ,  C08L27/18 ,  C08L27/20 ,  C08F214/18

Abstract: A copolymer having tetrafluoroethylene units and second polymerized monomer units in a range from 0.2 to 1 percent by weight, based on the total weight 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, 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 0.02 grams per 10 minutes to 19.4 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：US20190276656A1

公开(公告)日：2019-09-12

申请号：US16302539

申请日：2016-05-17

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Claude Lavallée ,  Dale E. Hutchens ,  Harald Kaspar ,  Karl D. Weilandt ,  Shireen A. Mamun

IPC: C08L27/16 ,  B29C48/00

Abstract: A composition includes a thermoplastic fluoropolymer having vinylidene fluoride units in an amount of at least 30 mole percent and tetrafluoroethylene units in an amount of at least 5 mole percent. The thermoplastic fluoropolymer is free of hexafluoropropylene units or comprises less than 5 mole percent hexafluoropropylene units. The composition further includes at least one of a non-fluorinated, thermoplastic polymer as a major component of the composition or a polymer processing additive synergist. A method of reducing melt defects during the extrusion of a polymer is also provided. Use of the thermoplastic fluoropolymer as a polymer processing additive is also provided.

公开(公告)号：US10227484B2

公开(公告)日：2019-03-12

申请号：US15503098

申请日：2015-08-13

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Lisa P. Chen ,  Klaus Hintzer ,  Harald Kaspar ,  Kai H. Lochhaas ,  Mark W. Muggli ,  Jens Schrooten ,  Allen M. Sohlo ,  Helmut Traunspurger ,  Karl D. Weilandt ,  Tilman C. Zipplies

IPC: C08F214/16 ,  C08F214/22 ,  C08F214/26 ,  C08F214/28 ,  C08L27/18 ,  C08L27/16 ,  C08L27/20 ,  B32B27/30 ,  B32B27/20 ,  B32B7/12 ,  B32B25/12 ,  B32B1/08 ,  B32B25/14 ,  B32B25/08 ,  B32B27/32

Abstract: Described herein is a composition comprising (i) a hydrofluorothermoplastic polymer, wherein the hydrofluorothermoplastic polymer is derived from: (a) 50-85 mol % tetrafluoroethene; (b) 2-15 mol % hexafluoropropene; (c) 10-35 mol % vinylidene fluoride; and (d) 0.1 to 5 mol % of a bromine-containing monomer; and (ii) a perhalogenated thermoplastic polymer. Such compositions can be used in multilayer constructions in, for example, fuel hose applications.

公开(公告)号：US20180312939A1

公开(公告)日：2018-11-01

申请号：US15770060

申请日：2016-10-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael J. Sierakowski ,  Andrew W. Rabins ,  Karl D. Weilandt ,  Clinton P. Waller, Jr. ,  Mikhail A. Belkin ,  Susannah C. Clear ,  Tien Yi T.H. Whiting

IPC: C22B3/30 ,  B01D17/04 ,  B01D17/02 ,  C22B3/24

CPC classification number: B01D17/045 ,  B01D17/0208 ,  B01D17/048 ,  C22B3/0005 ,  C22B3/0017 ,  C22B3/24 ,  Y02P10/234

Abstract: Provided are methods and related compositions for separating immiscible organic and aqueous compositions. The methods include dispersing a discrete, insoluble filler in the organic composition, dispersing the organic composition into the aqueous composition, separating under gravity the organic and aqueous compositions into respective upper and lower layers. Advantageously, the insoluble filler remains in the organic composition and facilitates segregation and coalescence of droplets of the organic composition in the aqueous composition.