3m Innovative Properties Company

3m Innovation Properties Company

Oleg Shyshkov

Klaus Hintzer

Tilman C Zipplies

Kai Helmut Lochhaas

André Streiter

Harald Kaspar

Michael Juergens

Sabine H G Beuermann

Muhammad Imran Ul-haq

Markus E Hirschberg

Herbert Koenigsmann

Gunther J Kaempf

Miguel Antonio Guerra

Werner Schwertfeger

Dennis Edward Vogel

Kim Marie Vogel

Michael Jürgens

Gerd-Volker Röschenthaler

Arne Thaler

Jürgen Troe

Jolanta Ignatowska

Günther J Kämpf

Klaus Luther

Michael JÜRGENS

Guenther J Kaempf

Described herein is method of making a halogenated partially fluorinated compound, comprising: (a) providing a compound having the following structure of formula (I): R&#x2014;CF&#x2550;CXY wherein X and Y are independently selected from F and Cl; wherein Ris a fluorinated monovalent group comprising 1 to 10 carbon atoms; (b) contacting the compound with at least one of (i) an iodine or bromine containing salt in the presence of an acid; and (ii) aqueous solution of HZ wherein Z is selected from I and Br to form the halogenated partially fluorinated compound of the formula (II): R'&#x2014;CFH&#x2014;CXYZ wherein X and Y are independently selected from F and Cl; Z is selected from I and Br; and R&#x2032;is a fluorinated monovalent group comprising 1 to 10 carbon atoms.

Methods of making halogenated partially fluorinated compounds

Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them.

Azide-containing fluoropolymers and their preparation

Described herein are three methods for making halogenated fluorinated ether-containing compounds using a fluorinated olefin or hexafluoropropylene oxide.

Methods of making halogenated fluorinated ether-containing compounds

Described herein is a method of purifying a product and recycling water comprising the following steps:

Fluoropolymer compositions and purification methods thereof

Described herein is a composition comprising an aqueous polymerization reaction product of fluorinated monomers and wherein the polymerization is initiated (i) in the absence of a fluorinated emulsifier and whereby no fluorinated emulsifier is added during polymerization or (ii) in the presence of an fluorinated emulsifier selected from: [R&#x2014;O-L-COO-]X(I) wherein L represents a linear or branched, non-fluorinated, partially fluorinated, or fully fluorinated alkylene group, Rrepresents a linear or branched partially or fully fluorinated aliphatic group or a linear or branched partially or fully fluorinated aliphatic group interrupted with at least one oxygen atom, Xrepresents a cation having the valence i and i is 1, 2 or 3; wherein the reaction product and/or the resulting aqueous phase are substantially free of di- and tri-alkylamines and substantially free of low molecular weight fluoroorganic compounds and methods thereof.

A process is described of pyrolyzing at least one perfluorinated hydrocarbon, or a material containing at least one perfluorinated hydrocarbon, in the presence of hydrogen, to yield a reaction mixture containing difluorocarbene.

Process for manufacturing perfluoroolefins by pyrolysis of perfluorocarbons in the presence of hydrogen

A method for preparing fluorinated carboxylic acids and theirs salts is described comprising subjecting a fluorinated to at least one first and at least one second oxidizing agent to produce a highly fluorinated carboxylic acid or their salts. The first oxidizing agent is a compound that can be converted, by action of the second oxidizing agent, into a reactive species capable of oxidizing the fluorinated alcohol.

Methods of preparing fluorinated carboxylic acids and their salts

A method for preparing highly fluorinated carboxylic acids and theirs salts and the precursors thereof.

Method of preparing highly fluorinated carboxylic acids and their salts

Provided are saturated partially fluorinated alkoxy carboxylic acids or salts thereof and methods of preparation.

Method of making fluorinated alkoxy carboxylic acids and precursors thereof

A method for preparing saturated partially fluorinated alkoxy carboxylic acids or salts thereof by treating a compound: (II), where Rrepresents a fluorinated, linear or branched alkyl residue interruptible by one or more oxygen atoms, n is 0 or 1, with a Z-anion in a reaction medium comprising water and an organic solvent, where the Z-anion is selected from CN&#x2014;, SCN&#x2014; and OCN&#x2014; or combinations thereof. A method of making partially fluorinated ethers of the general formula (I) wherein Ris defined as above, n is 0 or 1, and Z is nitrile (&#x2014;CN), azide (&#x2014;N), thiocyanate (&#x2014;SCN) or cyanate (&#x2014;OCN) group, said method comprising treating a fluorinated olefin of the general formula (II) wherein the Z-anion is CN&#x2014;, OCN&#x2014;, SCN&#x2014; or N. A compound of the general formula (I) as previously described where Z is selected from SCN, OCN and N.

Growing community of inventors

Burgkirchen, Germany

Oleg Shyshkov