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

Abstract: The present disclosure provides a process for removing fluoroorganic acidic compounds from a solution comprising at least one protic solvent, comprising: forming a mixture of a solution comprising at least one fluoroorganic acidic compound comprising less than 15 carbon atoms and protic solvent, wherein the solution has a pH of 4, with an extraction composition comprising at least one trialkylamine and organic solvent; reacting the fluoroorganic acidic compound with the trialkylamine to form a hydrophobic ionic compound comprising the anion of the fluoroorganic acidic compound and the cation of the trialkylamine; separating the mixture into a first phase comprising the protic solvent and at most 50 wt.

Abstract: Provided is a curable composition comprising a partially fluorinated fluoropolymer, optionally an organo-onium accelerator an acid acceptor; and a crosslinking component of the formula.

Abstract: The composition can include a fluoropolymer and a branched silsesquioxane polymer having terminal —Si(R3)3 groups and units having formula, in which * represents a bond to another silicon atom in the branched silsesquioxane polymer, R is an organic group comprising an aliphatic carbon-carbon double bond, and R3 is a non-hydrolyzable group or hydrogen. The fluoropolymer can be crosslinked with the branched silsesquioxane polymer. An article can include a first composition including a fluoropolymer in contact with a second composition including a silicone, wherein at least one of the first composition or second composition includes the branched silsesquioxane polymer. At least one of the fluoropolymer or the silicone can be crosslinked with a branched silsesquioxane polymer including terminal —Si(R3)3 groups and units having formula, in which R* is an organic group comprising a carbon-carbon bond between the branched silsesquioxane polymer and the fluoropolymer, the silicone, or another R* group.

Abstract: A fluorine-free composition includes at least one polycarbodiimide compound derived from a carbodiimidization reaction of a carbodiimidization reaction mixture comprising at least one oligomer, wherein the oligomer comprises at least one isocyanate end group and at least two repeating units, wherein each of the at least two repeating units comprises at least one hydrocarbon group having at least 16 carbon atoms. The composition may also include at least one paraffin wax. Such compositions are useful for treating fibrous substrates to enhance their water-repellency.

Abstract: A curable composition is disclosed comprising: (i) a partially fluorinated fluoropolymer, wherein the partially fluorinated amorphous fluoropolymer comprises carbon-carbon double bonds or is capable of forming carbon-carbon double bonds along the partially fluorinated amorphous fluoropolymer; and (ii) a crosslinking component comprising a fluorinated sulfonamide alcohol of the formula I.

Abstract: A fluorine-free composition includes at least one polycarbodiimide compound derived from a carbodiimidization reaction of a carbodiimidization reaction mixture comprising at least one oligomer, wherein the oligomer comprises at least one isocyanate end group and at least two repeating units, wherein each of the at least two repeating units comprises at least one hydrocarbon group having at least 16 carbon atoms. The composition may also include at least one paraffin wax. Such compositions are useful for treating fibrous substrates to enhance their water-repellency.

Abstract: A cyclic siloxane compound, composition, method, and an article including the siloxane, wherein the cyclic siloxane has the following Formula (I): wherein: each R1 and R2 is independently a (C1-C4)alkyl; each L1 and L2 is independently a single bond, an alkylene, or an alkylene bonded to a group selected from oxy, thio, carbonyl, —NH—, and combinations thereof; each R3 is independently a linear (C14-C100)alkyl; each R4 is independently a (C1-C30)alkyl, a (C2-C30)heteroalkyl having at least one oxygen, sulfur, or —NH— group, or a (C1-C30)alkyl substituted with a fluoro, thiol, isocyanato, cyanato, hydroxyl, glycidoxy, or epoxy group; with the proviso that L1, L2, and R4 are selected such that each Si atom is directly bonded to an alkylene or an alkyl; m is an integer of at least 2; n is an integer of 0 or above; m+n is an integer of at least 3; and the cyclic siloxane compound is a solid at 25° C.

Abstract: Provided is a curable composition comprising a partially fluorinated fluoropolymer, optionally an organo-onium accelerator an acid acceptor; and a crosslinking component of the formula.

Abstract: A fiber comprising: a base polymer comprising an aromatic polyester or nylon-6; and an alkylene oxide-containing nonionic surfactant mixed within the base polymer; wherein the alkylene oxide-containing nonionic surfactant has a melting point of greater than 25° C. and an HLB of greater than 10. An article comprising a plurality of said fibers, wherein a dye is present in a greater amount in a first portion of the fibers than in other portions of the fibers of the article.

Abstract: A melt additive compound has the general formula (I) wherein R represents a linear alkylene group having from 1 to 18 carbon atoms; n represents an integer from 1 to 4, inclusive; and Rf1 is represented by the general formula II wherein Rf represents a perfluorinated group having from 3 to 5 carbon atoms. Compositions comprising a thermoplastic polymer and the melt additive compound, methods of extruding them and extruded articles are also disclosed.

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: Hydrophobic polyurethane polymers which may be useful in making synthetic leathers comprising at least two immediately consecutive repeating units according to Formula I: (—OC(O)N—)nA-NC(O)O-L(M)-??(I) wherein n is 1 or 2, A represents the residue of an organic di- or tri-isocyanate compound, L represents a hydrocarbon group that optionally contains one or more catenary or non-catenary hetero-atoms, and M represents an oligomer comprising 2-12 (meth)acrylate units. The polyurethane polymers may additionally comprise end group(s) according to the formula -L?M wherein L? represents a hydrocarbon group that may contain one or more catenary or non-catenary hetero-atoms. In some embodiments, M is according to Formula III: wherein Q is hydrogen or methyl, p is an integer between 2 and 12 inclusive, and Z is a hydrocarbon group which may optionally be substituted.

Abstract: A composition, and article including such composition, wherein the composition includes a silsesquioxane polymer and a free siloxane; wherein the silsesquioxane polymer includes a three-dimensional network of Formula (I): wherein: each R1 and R2 is independently a (C1-C4)alkyl; each L1 and L2 is independently a single bond, an alkylene, or an alkylene bonded to a group selected from oxy, thio, carbonyl, —NH—, and combinations thereof; each R3 is independently a linear (C14-C100)alkyl; each R5 is independently a (C1-C30)alkyl, a (C1-C30)fluorinated alkyl, or a (C2-C30)heteroalkyl having at least one oxygen, sulfur, or —NH— group; with the proviso that L1, L2, and R5 are selected such that each Si atom is directly bonded to an alkylene or an alkyl; m is an integer of at least 2; n is an integer of 0 or above; m+n is an integer of at least 10; each oxygen atom at an asterisk (*) is bonded to another Si atom within the three-dimensional network; and the silsesquioxane polymer is a solid at 25° C.

Abstract: A coalescing element for aggregating droplets of an emulsion. The coalescing element includes a nonwoven web substrate. A coalescer that includes the coalescing element can also include a housing and a fluid inlet and a fluid outlet each in fluid communication with the coalescing element. The coalescing element and coalescer may be useful for emulsions that form in solvent extraction/electrowinning copper processing and for other emulsions.

Abstract: The disclosure provides partially fluorinated piperazine carboxamide compounds having terminal fluoroaliphatic groups and polysiloxane groups. This invention also relates to polymer compositions comprising the fluorochemical composition and shaped articles made from the thermoplastic composition. See Formula (I).

Abstract: A composition, and article including such composition, wherein the silsesquioxane polymer includes a three-dimensional network of Formula (I): wherein: each R1 and R2 is independently a (C1-C4)alkyl; each L1 and L2 is independently a single bond, an alkylene, or an alkylene bonded to a group selected from oxy, thio, carbonyl, —NH—, and combinations thereof; each R3 is independently a linear (C14-C100)alkyl; each R5 is independently a (C1-C30)alkyl, a (C1-C30)fluorinated alkyl, or a (C2-C30)heteroalkyl having at least one oxygen, sulfur, or —NH— group; with the proviso that L1, L2, and R5 are selected such that each Si atom is directly bonded to an alkylene or an alkyl; m is an integer of at least 2; n is an integer of 0 or above; m+n is an integer of at least 10; each oxygen atom at an asterisk (*) is bonded to another Si atom within the three-dimensional network; and the silsesquioxane polymer is a solid at 25° C.

Abstract: A silsesquioxane polymer, composition, method, and article including such polymer, wherein the polymer includes a three-dimensional network of Formula (I): wherein: each R1 and R2 is independently a (C1-C4)alkyl; each L1 and L2 is independently in a single bond, an alkylene, or an alkylene bonded to a group selected from oxy, thio, carbonyl, —NH—, and combinations thereof; each R3 is independently a linear (C14-C100)alkyl; each R4 is independently a (C1-C30)alkyl, (C2-C30)heteroalkyl having at least one oxygen, sulfur, or —NH— group, or a (C1-C30)alkyl substituted with a fluoro, thiol, isocyanato, cyanato, hydroxyl, glycidoxy, or epoxy group; with the proviso that L1, L2, and R4 are selected such that each Si atom is directly bonded to an alkylene or an alkyl; m is an integer of at least 3; n is an integer of 0 or above; m+n is an integer of at least 3; each oxygen atom at an asterisk (*) is bonded to another Si atom within the three-dimensional network; and the silsesquioxane polymer is a solid at 25° C.

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.