| abstract |
PROBLEM TO BE SOLVED: To provide a fluorocopolymer having excellent weather resistance, stability of an aqueous dispersion, film forming property, mechanical strength of a coating film, and improved water resistance and stain resistance of a coating film. An aqueous dispersion is provided. SOLUTION: This polymer comprises (a) a polymerized unit based on a fluoroolefin, (b) a polymerized unit based on propylene, (c) a polymerized unit based on ethylene, and / or (d) a polymerized unit based on butylene, and has a Q value of 0. .1 to 10,000 An aqueous dispersion of the copolymer is used. |