Patent ID: 8080621
Filing Date: 2011-12-20
Classification: C08F,C08K,C08L

Abstract:
1. An aqueous fluoropolymer dispersion and resin made therefrom comprising: a) a fluoropolymer that is either a homopolymer of vinylidene fluoride or a copolymer consisting of 70 to 99 mole percent of vinylidene fluoride monomer units and 1 to 30 mole percent of one or more other fluoromonomers; and b) from 100 ppm to 2 percent, based on the weight of the fluoropolymer solids, of one or more block emulsifier(s) having at least two different blocks, and having the formula: wherein, X, Y, and Z are between 2 to 200; and m, n, k are from 0 to 5, T 1 and T 2 are terminal groups selected from hydrogen, hydroxyl, carboxyl, ester, ether and/or hydrocarbon, and wherein said fluoropolymer is free of fluorosurfactants.