3m Innovative Properties Company

Dyneon Gmbh

Peter J Scott

Klaus Hintzer

Tatsuo Fukushi

Denis Duchesne

Larry A Last

Harald Kaspar

Zai-Ming Qiu

William D Coggio

Michael H Mitchell

Karl D Weilandt

Erik D Hare

Naiyong Jing

Miguel Antonio Guerra

Werner M A Grootaert

Robert E Kolb

Gregg D Dahlke

Umesh B Gangadharmath

Vani P Mocharla

Tho Q Nguyen

Cheng Gu

Kirsten J Fronek

Gang Chen

Joseph C Walsh

Hartmuth C Kolb

Dhanalakshmi Kasi

Kai Chen

Qianwa Liang

Yuta Suzuki

Thomas J Blong

Cheng Li

Luke M B Rodgers

Werner M Grootaert

Yong K Wu

Stephen E Amos

Maria P Dillon

Claude Lavallée

Alain G Verschuere

Gernot Löhr

Florian D Jochum

Bernhard Hirsch

Dale E Hutchens

Karl-Dieter Weilandt

Terri A Shefelbine

Susan S Woods

Tamon Aoki

Claude Lavall&eacute;e

Steffen Vowinkel

Werner Ma Grootaert

Cynthia N Ferguson

Yeng Moua

Claude LAVALLÉE

Werner MA Grootaert

A method of making a crosslinked fluoropolymer is described. The method comprises applying a composition to a substrate, wherein the composition comprises fluoropolymer and a fluorinated solvent, one or more curing agents comprising an ethylenically unsaturated group and an electron donor group or precursor thereof. The method further comprises removing the solvent and curing the fluoropolymer with actinic (e.g. ultraviolet 'UV') radiation. Also described is a composition comprising a fluoropolymer dissolved in a fluorinated solvent, and one or more curing agents comprising an ethylenically unsaturated group and an electron donor group or precursor thereof; and article comprising the crosslinked fluoropolymer.

Fluoropolymer compositions comprising a curing agent with ethylenically unsaturated and electron donor groups, and substrates coated therewith

Described herein is a latex blend comprising (i) an amorphous perfluoropolymer and (ii) an aqueous dispersion of semi crystalline fluoropolymer particles, wherein the particles comprise a TFE homopolymer or a TFE copolymer comprising no more than 1 wt % of a second fluorinated monomer, wherein the semi crystalline fluoropolymer particles (a) have an MFI (372° C. with 2.16 kg) of less than 50 g/10 min or (b) are not melt processible and have an SSG of less than 2.190, wherein the semi crystalline fluoropolymer particles have an average diameter greater than 100 nm.

Latex blends of amorphous perfluorinated polymers and articles derived therefrom

Electronic telecommunication articles are described comprising a crosslinked fluoropolymer layer. In typical embodiments, the crosslinked fluoropolymer layer is a substrate, patterned (e.g. photoresist) layer, insulating layer, passivation layer, cladding, protective layer, or a combination thereof. Also describes are methods of making an electronic telecommunications article and method of forming a patterned fluoropolymer layer. The fluoropolymer preferably comprises at least 80, 85, or 90% by weight of polymerized units of perfluorinated monomers and cure sites selected from nitrile, iodine, bromine, and chlorine. Illustrative electronic communication articles include integrated circuits, printed circuit boards, antennas, and optical fiber cables. Fluoropolymer compositions are also described.

Electronic telecommunications articles comprising crosslinked fluoropolymers and methods

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.

Fluorinated block copolymers derived from nitrile cure-site monomers

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 divalent 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&#xb0; C.

Fluorinated block copolymers

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 &#x2014;CF2-CF(R)&#x2014;CH(R')&#x2014;CF(R&#x2033;)&#x2014; in a range from about 23 mole percent to about 50 mole percent. Each R is independently &#x2014;CF, &#x2014;Rf, or &#x2014;ORf, each R&#x2032; and R&#x2033; are independently H, F, CF, or &#x2014;Rf, and each Rf is independently a perfluoroalkyl group having from 1 to 12 carbon atoms and optionally interrupted by one or more &#x2014;O&#x2014; groups. A method of reducing melt defects during the extrusion of a polymer is also disclosed.

Fluoropolymer processing additive, compositions, and methods

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&#xb0; C.

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

There are provided microemulsions derived from compositions containing oligomeric fluorosulfinic compounds and/or ethylenically unsaturated, polymerizable monomeric fluorosulfinic compounds and to their uses in (co)polymerization processes in aqueous emulsion of fluorinated monomers.

Microemulsions and fluoropolymers made using microemulsions

Iodine containing amorphous fluoropolymers having at least one fluoropolymer with a cure site, where the fluoropolymer has a Mooney viscosity of 2 or less (ML 1+10) at 100&#xb0; C. according to ASTM D1646, and a peel strength to a roll mill of 10 dN/cm or less and methods for making such iodine containing amorphous fluoropolymers are described. Articles derived from the cured product of such iodine containing amorphous fluoropolymers are also described. Solutions, dispersions and coatings derived from such iodine containing amorphous fluoropolymers are also described.

Ultra low viscosity iodine containing amorphous fluoropolymers

Provided is a process for making a copolymer of fluorinated olefin and hydrocarbon olefin selected from ethylene, propylene and mixtures thereof, the process comprising a substantially emulsifier free aqueous emulsion polymerization of said fluorinated olefin and said hydrocarbon olefin, optionally in the presence of fluoropolymer particles and/or fluorinated liquid in a form suitable to improve the copolymerization of fluorinated olefin and hydrocarbon olefin.

Emulsifier free aqueous emulsion polymerization to produce copolymers of a fluorinated olefin and hydrocarbon olefin

A composition and method for making a fluoroelastomer is disclosed. The composition comprises a fluoroelastomer containing chlorine and an organic compound containing at least an hydride function. The hydride function has the formula MH where M is Si, Ge, Sn or Pb.

Composition and method for making a fluoroelastomer

The present invention provides a curable composition comprising a fluoropolymer comprising interpolymerized units derived from (i) CF &boxH;CF&mdash;R , wherein R is fluorine or a C -C perfluoroalkyl, (ii) at toast about 10 mole percent of a hydrogen-containing C -C olefin, based on the total moles of said CF &boxH;CFR and said olefin, (iii) an average of two or more bromine atoms including one or more terminal bromine atom(s) per fluoropolymer chain, (iv) optionally CX &boxH;CX&mdash;R, wherein each X is independently H, F, or Cl and R is a halogen or a C -C alkyl or alkenyl group that may include one or more ether linkage(s), (v) optionally a bromine-containing cure site monomer; (b) optionally, a peroxide curing agent; and (c) optionally, a crosslinking co-agent. The invention also provides methods of making and using such fluoropolymer compositions.

Curable fluoropolymers containing bromine groups having improved compression set

Curable fluoroelastomer compositions comprising hydro siloxanes or hydro silazanes

A polymer processing aid composition, a melt processable polymer composition that uses the polymer processing aid, and a method of improving the melt processability of a thermoplastic polymer are provided. The polymer processing aid composition comprises a multimodal fluoropolymer that preferably comprises interpolymerized units derived from an ethylenically unsaturated fluoromonomer tetrafluoroethylene and at least one ethylenically copolymerizable alpha-olefin monomer.

Polymer processing additive containing a multimodal fluoropolymer and melt processable thermoplastic polymer composition employing the same

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Madison, AL, United States of America

Peter J Scott