The present invention relates to a single pot process for preparation of ethyl 2, 2- difluoroacetate, said process comprising of the steps of: a) treating tetrafluoroethylene with dimethylamine to achieve 1, 1, 2, 2 tetrafluoroethylene - N,N dimethylamine, followed by adding water to produce 2, 2 - difluoro N,N ...

Process of producing Ethyl difluoroacetateby reacting 1,1,2,2 –Tetrafluoro-1-Ethoxy Ethane with an oxide of elements selected from the groups 13 or 15 in the presence of sulphuric acid followed by the addition of an alcohol to produce ethyl difluoroacetate and a useful by-product.

The present invention discloses a process for the preparation of carboxymethylated alcohol, comprising: reacting alcohol, chloroacetic acid and hydroxide in a polar protic solvent, wherein the reaction time is in the range of 10 to 30 min, wherein the reaction is carried out at a temperature of 25 to 60 oC, wherein ...

The present invention relates to a process for polymerizing a fluoromonomer in an aqueous dispersion medium, comprising: (a) forming an aqueous solution comprising a first surfactant combination of fluorinated Perfluorobutanesulfonic acid or a salt thereof, and non-fluorinated sulfonate type hydrocarbon surfactant ...

The present invention discloses a process for preparing 2-Bromo-5-fluorobenzotrifluoride, said process comprising the steps of: (a) brominating 1-Fluoro-3-trifluoromethylbenzene with a brominating reagent in the presence of a Friedel Craft’s catalyst; (b) treating the reaction mixture with sodium metabisulphite solu...

The present invention relates to a two-step process for the preparation of 2,6-dichloro-para-trifluoromethylaniline with reduced reaction time. The process comprising the following two steps: Preparation of an intermediate 4-trifluoromethylaniline from 4-chlorobenzotrifluoride using ammonia and sulfolane at temperat...

The present invention discloses a process for polymerizing vinylidene fluoride in an aqueous medium to form a fluoropolymer. The process comprises the steps of: pressurizing a polymerization reactor containing an aqueous medium with either a primary monomer or a primary monomer and a co-monomer, wherein the primary ...

The present invention relates to an extrusion process for preparing a low molecular weight PTFE micropowder, comprising the steps of: introducing a PTFE composition into a extruder; applying heat treatment to the extruder; extruding the PTFE composition in an extruder to reduce molecular weight through heat and sh...

The present invention relates to low molecular weight polytetrafluoroethylene (PTFE) micropowder, The present invention relates to production of low molecular weight PTFE micropowder by direct polymerization technology and overcomes limitation of the melt viscosities over prior art and that is devoid of the st...

The present invention relates to a process for preparing fluoropolymers or fluoroelastomers in an aqueous medium using a non fluorinated sulfonate type hydrocarbon containing surfactant, said process comprising the steps of: (a) forming an aqueous solution comprising an non-fluorinated, hydrocarbon containing, sulfo...

The present invention discloses a process for polymerizing fluoromonomers in an aqueous medium to form a fluoropolymer, said process comprising the steps of: (a) forming an aqueous solution comprising a first surfactant combination of at least one fluorinated surfactant and at least one non- 10 fluorinated surfac...

The present invention relates to a process for preparing fluoropolymers or fluoroelastomers in an aqueous medium using a non fluorinated sulfonate type hydrocarbon containing surfactant, said process comprising the steps of: (a) forming an aqueous solution comprising an non-fluorinated, hydrocarbon containing, sulfo...

The present invention relates to a process for the polymerization of fluoromonomers in an aqueous medium, said process comprising the steps of: forming an aqueous emulsion comprising a 2-Aikoxy acetate surfactant and fluoromonomer in a reactor; and initiating polymerization of said fluoromonomer by adding an ini...

The present invention relates to a process for the polymerization of fluoromonomer in an aqueous medium, said process comprising the steps of: forming an aqueous emulsion comprising fluoromonomer and perfluorobutanesulfonic acid or salt thereof as surfactant; and initiating polymerization of said fluoromonomer by ad...

Coagulation of fluoropolymer dispersion treatment using a strong oxidizing agent for reducing fluoropolymer resin discoloration The present invention relates to a process for aqueous fluoropolymer dispersion employing a strong oxidizing agent as a coagulating electrolyte. More particularly, the present invention re...

ABSTRACT A METHOD FOR PREPARING LITHIUM HEXAFLUOROPHOSPHATE The present disclosure relates to a process for preparing high purity Lithium Hexafluorophosphate (LiPF6), comprising the steps of: (a) reacting high purified anhydrous hydrogen fluoride (AHF) gas with solid phosphorous pentachloride to produce a mixtur...

ABSTRACT PROCESS FOR THE PREPARATION OF 1-CHLORO-1,1-DIFLUOROETHANE The present disclosure relates to a process for the preparation of 1-chloro-1,1-difluoroethane. The process comprises reacting vinylidene chloride by using an anhydrous hydrogen fluoride in the presence of a catalyst to obtain 1-chloro-1,1-dif...

The present invention discloses a process for polymerizing a fluoromonomer or a mixture of fluoromonomers and/or non-fluorinated monomers in an aqueous dispersion medium containing a non-fluorinated imino acid type hydrocarbon surfactant to form a fluoropolymer. The process comprises the steps of: (a) pressurizing...

ABSTRACT PROCESS FOR PREPARING STYRENE-ACRYLONITRILE ENCAPSULATED POLYTETRAFLUOROETHYLENE A process for preparation of styrene-acrylonitrile encapsulated polytetrafluoroethylene comprising providing an initial feed comprising reagent, monomers and redox initiator system; and a subsequent feed comprising a rema...

The present disclosure relates to a process for reducing the fluoroalkyl substances (PFAS) from a fluoropolymer latex. The process of the present disclosure is capable to remove both the targeted and non-targeted PFAS. The present disclosure provides effective and efficient process for reducing the fluoroalkyl...

The present invention discloses a process for polymerizing vinylidene fluoride (VDF) in an aqueous medium to form a fluoropolymer. The process comprises the steps of: adding an aqueous solution comprising a partially fluorinated surfactant to a polymerization reactor; pressurizing the polymerization reactor with ...

ABSTRACT A PROCESS FOR PREPARING HIGH-PURITY ALKALI METAL HEXAFLUOROPHOSPHATE AND THE ALKALI METAL HEXAFLUOROPHOSPHATE PREPARED THEREFROM The present disclosure relates to process of preparing an ultra-high purity alkali metal hexafluorophosphate (MPF6), comprising following steps: (a) charging alkali metal fl...

ABSTRACT The present disclosure relates to a process for the preparation of fluoropolymers. Particularly, the present disclosure relates to a process for the preparation of fluoropolymers by using an alkali metal salt C8-C15 alkyl benzene sulfonic acid as a non-fluorinated hydrocarbon containing surfactant. The...

The present invention provides a process for the preparation of lithium bis(fluorosulfonyl)imide. More particularly, the present invention relates to a process for preparation of lithium bis(fluorosulfonyl)imide (LiFSI) having high yield and high purity, which is cost-effective and industrially scalable. ...

The present invention provides an industrially viable and safe method of synthesis of diiodoperfluoroalkanes, wherein the process comprises reacting iodine, optionally using a catalyst and gaseous tetrafluoroethylene (TFE) at a temperature ranging between 150- 200°C and time duration ranging between 5-15 ho...

The present invention provides a uniquely designed crosslinking system for fluoroelastomers, which a bisphenol free, safe crosslinking system for fluoroelastomers comprising the components: a) a phase transfer catalyst selected from quaternary ammonium or phosphonium salt; b) a non-bisphenol curative agent...

The present invention provides a process for non-fluorinated surfactants from fluoropolymers particles. The process involves subjecting the fluoropolymers particles containing non-fluorinated surfactants to at least one stage of washing with one or more washing solvent. In an embodiment of the invention, t...

The present invention provides an improved process for the preparation of crosslinking system for fluoroelastomers, which a bisphenol free, safe crosslinking system comprising mixing all uniquely designed components of cross-linking system comprising - a) a phase transfer catalyst selected from quaternary ammonium o...