3m Innovative Properties Company

Dyneon Gmbh

Harald Kaspar

Klaus Hintzer

Tilman C Zipplies

Kai Helmut Lochhaas

Werner Schwertfeger

Michael Jürgens

Andreas R Maurer

Herbert Koenigsmann

Denis Duchesne

Ludwig Mayer

Lisa P Chen

Helmut Traunspurger

Michael Juergens

Jens Schrooten

Richard M Flynn

Karl D Weilandt

George G I Moore

Tatsuo Fukushi

Jay F Schulz

Oleg Shyshkov

Florian D Jochum

Bernhard Hirsch

Robert E Kolb

Michael C Dadalas

Peter J Scott

Gernot Löhr

Karl-Dieter Weilandt

Zai-Ming Qiu

Miguel Antonio Guerra

Werner M A Grootaert

Gernot L&ouml;hr

Maria P Dillon

Attila A Molnar

André Streiter

Sabine H G Beuermann

Muhammad Imran Ul-haq

Rudolf J Dams

William D Coggio

Thomas J Blong

Mark W Muggli

Michael S Terrazas

Stephen E Amos

Claude Lavallée

Alain G Verschuere

Guy Van Gool

Erik Peters

Allen M Sohlo

Franz M&auml;rz

Per Miles Nelson

Susan S Woods

Naiyong Jing

Duane Douglas Fansler

Jimmie Rae Baran, Jr

Peter Bissinger

John Charles Clark

Gregg D Dahlke

Richard S Buckanin

Frans A Audenaert

Friedrich Kloos

Werner M Grootaert

William J Hunt

Lian Soon Tan

Ralph Kaulbach

Gernot Loehr

Allan T Worm

Markus E Hirschberg

Jeffrey G Linert

Albert Killich

Erik D Hare

Larry A Last

Egon Obermaier

Kirsten J Fronek

Gunther J Kaempf

Jost Krichel

Herbert Königsmann

Dale E Hutchens

E Steven McAlister

Dirk H Arren

Shireen A Mamun

Claude Lavall&eacute;e

Greta Dewitte

Linda G Cot&eacute;

Ludo Govaerts

Erik Vermeulen

Franz März

Greet Dewitte

Arnd Kurz

Arnd Kruz

Kai Helmut Löchhaas

Michael Jurgens

Claude LAVALLÉE

Michael JÜRGENS

Florian Daniel Jochum

Werner MA Grootaert

George GI Moore

Werner Schwertferger

Michael Jüergens

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.

Compositions including copolymers of vinylidene fluoride and tetrafluoroethylene and methods of using the same

Described herein is a peroxide curable, highly fluorinated elastomer derived from tetrafluoroethylene, a perfluoro ether monomer, and a compound selected from at least one of a highly fluorinated bisolefin ether and an iodine-containing perfluorinated ether.

Highly fluorinated elastomers

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 &#x2014;O&#x2014; 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.

Tetrafluoroethylene and perfluorinated allyl ether copolymers

Described herein is a polymerizable composition substantially free of an organic emulsifier, methods of making, and articles thereof. The polymerizable composition comprises: a continuous phase; a polymerizable monomer; an initiator; and inorganic nanoparticles, wherein the inorganic nanoparticles are substantially free of groups that will copolymerize with the polymerizable monomer.

Polymerizable compositions free of organic emulsifier and polymers and methods of making thereof

Curable fluoropolymer containing repeating units derived from VDF and TFE and at least one other fluorinated comonomer and further containing &#x2014;CFCHI end groups and branching sites derived from one or more perfluorinated bisolefinic ether(s) used as modifier(s), wherein the one or more perfluorinated bisolefinic ether(s) used as modifier(s) correspond to the general formula: CF&#x2550;CF&#x2014;(CF)&#x2014;O&#x2014;(R)&#x2014;O&#x2014;(CF)CF&#x2550;CFwherein n and m are independent from each other either 1 or 0 and wherein Rrepresents a perfluorinated linear or branched, cyclic or acyclic aliphatic or aromatic hydrocarbon residue that may be interrupted by one or more oxygen atoms and comprises up to 30 carbon atoms. Further provided are methods of making the curable fluoropolymers and for making an article containing the curable polymers.

Peroxide curable fluoropolymers obtainable by polymerization with non-fluorinated emulsifiers

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 &#x2014;0&#x2014; 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. 

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 &#x2014;O&#x2014; groups, n is 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 up to 50 unstable end groups per 10carbon atoms. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed. 

Tetrafluoroethylene/hexafluoropropylene copolymers including perfluoroalkoxyalkyl pendant groups and methods of making and using the same

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 &#x2014;O&#x2014; 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 &#x2014;CFH end groups in a range from 25 per 10carbon atoms up to 120 per 10carbon atoms. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed. 

Tetrafluoroethylene/hexafluoropropylene copolymers including perfluoroalkoxyalkyl pendant groups

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 &#x2014;SOX groups, X is independently &#x2014;F, &#x2014;NH, &#x2014;OH, or &#x2014;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. 

Tetrafluoroethylene/hexafluoropropylene copolymers having pendant sulfonyl groups

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 &#x2014;O&#x2014; groups, each n is independently from 1 to 6, m is 0 or 1, 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 and has in a range from 2 to 200 &#x2014;SOX groups per 10carbon atoms and up to 100 unstable end groups per 10carbon atoms. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed. 

Tetrafluoroethylene copolymers having sulfonyl groups

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.

Fluorothermoplastic polymer compositions

Described herein is a composition having a fluoropolymer derived from the polymerization of a monomer and a sulfinate-containing molecule, wherein the sulfinate-containing molecule is selected from the group consisting of Formula (I), Formula (II); and combinations thereof, wherein X, X, and Xare each independently selected from H, F, Cl, a Cto Calkyl group, and a Cto Cfluorinated alkyl group; R is a linking group; Zand Zare independently selected from F, CF, and a perfluoroalkyl group; Rand Rare end-groups; p is 0 or 1; m is at least 1; and M is a cation. Also disclosed are methods of making and articles thereof. 

Fluorine-containing polymer comprising a sulfinate-containing molecule

Described herein is a composition comprising a fluorothermoplastic polymer, wherein the fluorothermoplastic polymer is derived from: (a) 60-85 mol % tetrafluoroethene; (b) 2-12 mol % hexafluoropropene; (c) 10-30 mol % vinylidene fluoride; (d) 0.2 to 5 mol % of a bromine-containing monomer. Such compositions can be used in multilayer constructions in, for example, fuel hose applications.

Fluorothermoplastic polymer

Described are methods of making a curable fluoropolymer having repeating units derived from vinylidenfluoride (VDF) and at least one perfluorinated monomer selected from hexafluoropropene (HFP), tetrafluoroethene (TFE), a perfluorovinyl ether (PAVE), a perfluoroallylether (PAAVE) or a combination thereof. The method includes polymerizing the monomers in an aqueous medium in a radical reaction containing one or more reaction initiators, one or more chain transfer agent containing one or more halogens selected from iodine, bromine or a combination thereof and one or more non-fluorinated aliphatic polyhydroxy emulsifiers. The polymerization is carried out without adding a fluorinated emulsifier. Also provided are curable fluoropolymers obtainable by such methods and cured fluoropolymers obtainable by curing the curable fluoropolymers, and their applications.

Peroxide curable fluoropolymers obtainable by polymerization using non-fluorinated polyhydroxy emulsifiers

Described herein is a peroxide curable, highly fluorinated elastomer derived from (a) a fluorinated di-iodo ether compound of the following formula I: R&#x2014;CF(I)&#x2014;(CX)&#x2014;(CXCXR)&#x2014;O&#x2014;R&#x2033;f-O&#x2014;(CXR'CX)&#x2014;(CX)&#x2014;CF(I)&#x2014;R&#x2032;wherein X is independently selected from F, H, and Cl; Rand R&#x2032;are independently selected from F and a monovalent perfluoroalkane having 1-3 carbons; R is F, or a partially fluorinated or perfluorinated alkane comprising 1-3 carbons; R&#x2033;is a divalent fluoroalkylene having 1-5 carbons or a divalent fluorinated alkylene ether having 1-8 carbons and at least one ether linkage; k is 0 or 1; and n, m, and p are independently selected from an integer from 0-5, with the proviso that when k is 0, n+m is at least 1 and p+q is at least 1; and (b) a fluorinated monomer.

Growing community of inventors

Burgkirchen, Germany

Harald Kaspar