Abstract: A poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate, in combination are useful as a polymer processing additive synergist. Polymer processing additive compositions, homogeneously catalyzed olefin compositions, and other extrudable polymer compositions including a poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate are disclosed. Methods of reducing melt defects during the extrusion of a thermoplastic polymer, which may be a homogeneously catalyzed polyolefin, are also disclosed.

Abstract: 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.

Abstract: A poly(oxyalkylene) polymer having a weight average molecular weight of at least 50,000 grams per mole and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate, in combination are useful as a polymer processing additive. In some embodiments, the polymer processing additive further includes a poly(oxyalkylene) polymer having a weight average molecular weight of up to 20,000 grams per mole Polymer processing additive compositions and thermoplastic, for example, polyolefin, compositions including a poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate are disclosed. Methods of reducing melt defects during the extrusion of a thermoplastic polymer, which may be a homogeneously catalyzed polyolefin, are also disclosed.

Abstract: A composition includes a first amorphous fluoropolymer having a first Mooney viscosity ML 1+10 @ 121° C. less than 60 and a second amorphous fluoropolymer having a second Mooney viscosity ML 1+10 @ 121° C. greater than 80. 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 a combination of the first and second amorphous fluoropolymers as a polymer processing additive is also provided.

Abstract: 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 —CF2-CF(R)—CH(R?)—CF(R?)— in a range from about 23 mole percent to about 50 mole percent. Each R is independently —CF3, —Rf, or —ORf, each R? and R? are independently H, F, CF3, or —Rf, and each Rf is independently a perfluoroalkyl group having from 1 to 12 carbon atoms and optionally interrupted by one or more —O— groups. A method of reducing melt defects during the extrusion of a polymer is also disclosed.

Abstract: 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.

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: 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 —CF2-CF(R)—CH(R?)—CF(R?)— in a range from about 23 mole percent to about 50 mole percent. Each R is independently —CF3, —Rf, or —ORf, each R? and R? are independently H, F, CF3, or —Rf, and each Rf is independently a perfluoroalkyl group having from 1 to 12 carbon atoms and optionally interrupted by one or more —O— groups. A method of reducing melt defects during the extrusion of a 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: Melt-processable compositions having silicone-containing polymeric process additives and synergists.

Abstract: A poly(oxyalkylene) polymer having a weight average molecular weight of at least 50,000 grams per mole and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate, in combination are useful as a polymer processing additive. In some embodiments, the polymer processing additive further includes a poly(oxyalkylene) polymer having a weight average molecular weight of up to 20,000 grams per mole Polymer processing additive compositions and thermoplastic, for example, polyolefm, compositions including a poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate are disclosed. Methods of reducing melt defects during the extrusion of a thermoplastic polymer, which may be a homogeneously catalyzed polyolefin, are 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) Formula (II); and 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: Described herein is a melt-processible polymer composition comprising: a non-fluorinated melt-processible polymer; and a fluorine-containing polymer comprising an end-group having a structures from group consisting of: 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; R7 is a linking group comprising at least 2 or more catenary atoms; and Z1 and Z2 are independently selected from F, CF3, and a perfluoroalkyl group.

Abstract: A poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate, in combination are useful as a polymer processing additive synergist. Polymer processing additive compositions, homogeneously catalyzed olefin compositions, and other extrudable polymer compositions including a poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate are disclosed. Methods of reducing melt defects during the extrusion of a thermoplastic polymer, which may be a homogeneously catalyzed polyolefin, are also disclosed.

Abstract: Described herein is a melt-processible polymer composition comprising: a non-fluorinated melt-processible polymer; and a fluorine-containing polymer comprising an end-group having a structures from group consisting of: 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; R7 is a linking group comprising at least 2 or more catenary atoms; and Z1 and Z2 are independently selected from F, CF3, and a perfluoroalkyl group.

Abstract: Described herein is a melt-processible polymer composition comprising: a non-fluorinated melt-processible polymer; and 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: (a) CX1X3?CX2—(R)p—CZ1Z2—SO2M Formula (I) (b) Formula (II); 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: Disclosed are a composition comprising from 50 to 99.99 weight percent based on the total weight of the composition of a melt-processable thermoplastic polyamide polymer; and a silicon-containing polymeric process additive; wherein the silicon-containing polymeric process additive is present in an amount of from 0.01% to 5.0% by weight based on the total weight of the composition, and an article made from the composition.

Abstract: Described are melt-processable compositions having silicone-containing polymeric process additives and hindered-amine light stabilizers.

Abstract: Melt-processable compositions having silicone-containing polymeric process additives and synergists.

Abstract: Described herein is a melt-processible polymer composition comprising: a non-fluorinated melt-processible polymer; and 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: (a) CX1X3?CX2—(R)p—CZ1Z2—SO2M Formula (I) (b) Formula (II); 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.