Abstract: Provided is a curable composition comprising a partially fluorinated fluoropolymer and a crosslinking component comprising a blend of a polysulfonamide compound and a fluorinated polyamine compound.

Abstract: Described herein is an oligomer according to formula I: (I) wherein Y is an anionic group selected from the group consisting of: sulfates, carboxylates, phosphate, phosphonate, and sulfonate, wherein each X1, X2, and X3 are independently selected from F, Cl, H, and CF3; R is a linking group; each Z1 and Z2 is independently selected from F and CF3; m is at least 2; and R1 and R2 are end groups, wherein the oligomer comprises substantially no pendant functional groups, except those selected from the group consisting of: sulfates, carboxylates, phosphate, phosphonate, and sulfonate.

Abstract: Curable compositions that include at least one fluorinated elastomeric gum; and nanoparticles functionalized with at least one compound according to formula (I): X—(CF2)n—(O)p—(CH2)m—Si—Y3 w X is Br, I, CF2?CF—O—, CH2?CHCH2—O—, CH2?CHCH2—, or CH2?CH—, n is an integer from 2 to 8, m is an integer from 2 to 5, p is 0 or 1, and Y is Cl— or —OR, where R is a linear or branched alkyl having 1 to 4 carbon atoms. In some embodiments, Y is —O(CH2)xCH3, where x is an integer from 0 to 3.

Abstract: A curable composition comprising a fluorinated amorphous fluoropolymer, and a blend of polysulfonamide and polyol crosslinking agents.

Abstract: A curable composition comprising a fluorinated amorphous fluoropolymer, and fluorinated sulfonamide crosslinking agent of the formula.

Abstract: A curable composition comprising a fluorinated amorphous fluoropolymer, and fluorinated polyol crosslinking agent of the Rf—[(CH2)y—OH]x, where Rf represents a perfluoroalkylene group of valence x, subscript y is 1 or 2; and subscript x is 2 to 4.

Abstract: Described herein is the curing of a fluorinated elastomeric gum with peroxide and a co-agent of Formula I or salt thereof, wherein Formula I is (CH2?CHCH2)2-L1-Rf-L2-(CH2CH?CH2)n(H)2-n wherein L1 is —NSO2— or —NCO—; L2 is —SO2N— or —CON—; n is 1 or 2; and Rf is a divalent perfluorinated carbon group, optionally comprising at least one ether linkage; and cured articles therefrom.

Abstract: Curable compositions that include at least one fluorinated elastomeric gum; and at least one compound according to formula I: X—(CF2)n—(O)p—(CH2)m—Si—Y3 (I) wherein X is Br, I, CF2?CF—O—, CH2?CHCH2—O—, CH2?CH—, or CH2?CHCH2—, n is an integer from 2 to 8, m is an integer from 2 to 5, p is 0 or 1, and Y is Cl— or —OR, where R is a linear or branched alkyl having 1 to 4 carbon atoms. In some embodiments, Y is —O(CH2)xCH3, where x is an integer from 0 to 3.

Abstract: Described herein is a melt-processible polymer composition comprising: a non-fluorinated melt-processible polymer; and a fluorine-containing polymer comprising at least three —(SO3?)iM+i groups per polymer chain wherein M is a cation; and i is an integer.

Abstract: 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 X1, X2, and X3 are each independently selected from H, F, Cl, a C1 to C4 alkyl group, and a C1 to C4 fluorinated alkyl group; R is a linking group; Z1 and Z2 are independently selected from F, CF3, and a perfluoroalkyl group; R1 and R2 are 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.

Abstract: A curable composition comprises a fluorinated polyether represented by the formula: Z1—X1p and a nonfluorinated polyether represented by the formula Q1-X2yZ1 represents a p-valent perfluorinated polyether group. Q1 represents a y-valent hydrocarbon polyether group. Each X1 and X2 group independently represents a functional group. p and y are integers ?2. At least some of the p X1 groups are reactive to at least some of the y X2 groups to form a covalently cross-linked polymer network. Hybrid fluoroelastomers made by curing the curable compositions are also disclosed.

Abstract: A silicon-containing polymer is represented by the general formula: (I) wherein A, Q, Z, x, and y are as defined in the specification, and I is iodine. Group Q includes a hydrolyzable silane group and group A is fluorinated. A method of making the silicon-containing polymer is also disclosed.

Abstract: Described herein is polymer melt additive composition for use as a processing aid in the extrusion of a non-fluorinated polymer, the polymer melt additive composition comprising a fluorine-containing polymer derived from the polymerization of a monomer and a sulfinate-containing molecule, wherein the sulfinate-containing molecule is selected from the group consisting of: (a) CX1X3?CX2—(R)p—CZ1Z2—SO2M??Formula (I) (b) ?and (c) combinations thereof, wherein X1, X2, and X3 are each independently selected from H, F, Cl, a C1 to C4 alkyl group, and a C1 to C4 fluorinated alkyl group; R is a linking group; Z1 and Z2 are independently selected from F, CF3, and a perfluoroalkyl group; R1 and R2 are end-groups; p is 0 or 1; m is at least 2; and M is a cation.

Abstract: A curable composition is provided. The curable composition has at least one functionalized fluoropolyether and at least one radical curing system. Further provided are fluoroelastomer compositions having a glass transition temperature of less than ?40° C. and shaped articles comprising fluoroelastomers having glass transition temperatures of less than ?40° C. obtained by curing the curable compositions. Also described are methods of making fluoroelastomer compositions having glass transition temperatures of less than ?40° C.

Abstract: A curable precursor composition for a fluoroelastomers, methods of making fluoroelastomers, shaped articles and methods of making shaped articles.

Abstract: A moisture-curable composition includes a polymer preparable by free-radical copolymerization of monomers comprising at least one monomer A and at least one monomer B. Monomer(s) A comprise free-radically polymerizable hydrolyzable silane. Monomer(s) B include a divalent group selected from the group consisting of —(CF2O)a—, —(CF2CF2O)b—, —(CF2CF2CF2O)c—, —(CF2CF2CF2CF2O)d—, —(CF2CF(CF3)O)e—, and combinations thereof, wherein a, b, c, d, and e represent integers in the range of from 0 to 130, and wherein 1?<a+b+c+d+e?130. A composite article includes a layer of a composition on a substrate. The composition comprises a cross-linked reaction product of components including the moisture-curable composition. Methods of making the composite article are also disclosed.

Abstract: A curable composition includes a functionalized fluoropolyether comprising at least one first free-radically reactive functional group, a functionalized polysiloxane comprising at least one second free-radically reactive functional group, and an effective amount of a free-radical curing system. The curable composition can be cured to making a fluoropolyether-polysiloxane elastomer. Compositions and shaped articles including the fluoropolyether-polysiloxane elastomer are also disclosed.

Abstract: A silicon-containing polymer is represented by the general formula: (I) wherein A, Q, Z, x, and y are as defined in the specification, and I is iodine. Group Q includes a hydrolyzable silane group and group A is fluorinated. A method of making the silicon-containing polymer is also disclosed.

Abstract: Described herein is a composition comprising a fluorinated polysulfinic acid or a salt thereof having the following formula (I): wherein X1, X2, and X3 are independently selected from H, F, Cl, Br, I, CF3, and CH3 and wherein at least one of X1, X2, or X3 is H; R1 is a linking group; Z1 and Z2 are independently selected from Br, Cl, I, F, CF3, and a perfluorinated alkyl group; M is a cation; p is 0 or 1; and n is at least 2. Also described is a method of making the partially fluorinated polysulfinic acid or salt thereof.

Abstract: A curable composition comprises a fluorinated polyether represented by the formula: Z1—X1p and a nonfluorinated polyether represented by the formula Q1-X2yZ1 represents a p-valent perfluorinated polyether group. Q1 represents a y-valent hydrocarbon polyether group. Each X1 and X2 group independently represents a functional group. p and y are integers ?2. At least some of the p X1 groups are reactive to at least some of the y X2 groups to form a covalently cross-linked polymer network. Hybrid fluoroelastomers made by curing the curable compositions are also disclosed.