Patent ID: 8952115
Filing Date: 2015-02-10
Classification: C08F

Abstract:
1. A method for producing a fluoropolymer, comprising aqueous dispersion polymerization of a monomer or a monomeric mixture including at least one fluoroolefin in the presence of a compound (1) represented by the following formula (1): wherein X is H or SO 3 Y wherein Y is NH 4 or an alkaline metal; and n is an integer of 0 to 19, wherein the at least one fluoroolefin comprises a monomeric mixture of vinylidene fluoride, tetrafluoroethylene and chlorotrifluoroethylene, or a monomeric mixture of vinylidene fluoride and hexafluoropropylene, and the amount of the compound (1) to be used is 50 to 1,000 ppm based on the total water amount.