| abstract |
A step of obtaining an emulsion by emulsifying a polymer solution of synthetic polyisoprene and / or styrene-isoprene-styrene block copolymer in water in the presence of rosin and / or a metal salt of rosin, Provided is a method for producing a polymer latex using rosin and / or a metal salt of rosin using abietic acid, neoabietic acid and parastrinic acid, and a total content of these salts of 5% by weight or less. |