Disclosed herein is a process to convert PVC plastic into a dechlorinated polymer, such as high density polyethylene, while substantially avoiding carbonization. The process also facilitates Cl recovery and/or reintroducing the dechlorinated plastic into product streams. In some embodiments, the process comprises heating a mixture of PVC and a catalyst and/or a base in a solvent, optionally in the presence of hydrogen gas.

Disclosed herein is a process to convert PVC plastic into a dechlorinated polymer, such as high density polyethylene, while substantially avoiding carbonization. The process also facilitates Cl recovery and/or reintroducing the dechlorinated plastic into product streams. In some embodiments, the process comprises heating a mixture of PVC and a catalyst and/or a base in a solvent, optionally in the presence of hydrogen gas.

A polymer including VDF-based units having an electrocaloric effect under the effect of a variable electric field. The polymer includes 0.1 to 10.0 mol % double bonds, which are substantially non-conjugated. Also, a corresponding composition including the polymer, a corresponding film including the polymer, and to various uses of the polymer.

A polymer including VDF-based units having an electrocaloric effect under the effect of a variable electric field. The polymer includes 0.1 to 10.0 mol % double bonds, which are substantially non-conjugated. Also, a corresponding composition including the polymer, a corresponding film including the polymer, and to various uses of the polymer.

A copolymer including fluorinated units of formula (I):

—CX.sub.1X.sub.2—CX.sub.3X.sub.4—  (I)

in which each of the X.sub.1, X.sub.2, X.sub.3 and X.sub.4 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated; and fluorinated units of formula (II):

—CX.sub.5X.sub.6—CX.sub.7Z—  (II)

in which each of the X.sub.5, X.sub.6 and X.sub.7 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated, and in which Z is a photoactive group of formula —Y—Ar—R, Y representing an oxygen atom or an NH group or a sulfur atom, Ar representing an aryl group, and R being a monodentate or bidentate group including from 1 to 30 carbon atoms. Also, a process for preparing this copolymer, a composition including this copolymer, and a film obtained from this copolymer.

A copolymer including fluorinated units of formula (I):

—CX.sub.1X.sub.2—CX.sub.3X.sub.4—  (I)

in which each of the X.sub.1, X.sub.2, X.sub.3 and X.sub.4 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated; and fluorinated units of formula (II):

—CX.sub.5X.sub.6—CX.sub.7Z—  (II)

in which each of the X.sub.5, X.sub.6 and X.sub.7 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated, and in which Z is a photoactive group of formula —Y—Ar—R, Y representing an oxygen atom or an NH group or a sulfur atom, Ar representing an aryl group, and R being a monodentate or bidentate group including from 1 to 30 carbon atoms. Also, a process for preparing this copolymer, a composition including this copolymer, and a film obtained from this copolymer.

Sometimes, a problem is obvious, everyone sees it, but nothing happens until someone decides to do something useful about it. Methods are herein provided for recovering heavy hydrocarbons from plastic materials and/or geo-formation. In one solution set, PVC waste materials are emulsified by an amine solvent in an aqueous phase, thereby extracting heavier hydrocarbons from the primary structure of PVC into the amine aqueous phase; followed by de-emulsifying the extracted heavier hydrocarbons by separating and recovering the amine solvent, and then separating the de-emulsified heavier hydrocarbons from the aqueous phase by a hydrophobic membrane.

Sometimes, a problem is obvious, everyone sees it, but nothing happens until someone decides to do something useful about it. Methods are herein provided for recovering heavy hydrocarbons from plastic materials and/or geo-formation. In one solution set, PVC waste materials are emulsified by an amine solvent in an aqueous phase, thereby extracting heavier hydrocarbons from the primary structure of PVC into the amine aqueous phase; followed by de-emulsifying the extracted heavier hydrocarbons by separating and recovering the amine solvent, and then separating the de-emulsified heavier hydrocarbons from the aqueous phase by a hydrophobic membrane.

The present disclosure provides tunable fluoropolymers and methods for making them.

The present disclosure provides tunable fluoropolymers and methods for making them.