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    • 2. 发明申请
    • REACTIVE SURFACTANT COMPOSITION FOR EMULSION POLYMERIZATION
    • US20190119410A1
    • 2019-04-25
    • US15766330
    • 2016-10-03
    • KAO CORPORATION
    • Shogo KAMENOUETakayuki IKENAGAAtsuhito MORI
    • C08F2/26C08F290/06C08F116/12C08F128/02C09D157/04C09D5/02
    • The present invention is concerned with a reactive surfactant composition for emulsion polymerization, which is able to micronize the particle diameter of a polymer emulsion and to reduce the addition amount of the reactive surfactant composition to be used.The reactive surfactant composition for emulsion polymerization of the present invention contains a reactive anionic surfactant (component A) represented by the following formula (I), the component A being satisfied with the following requirement R: wherein AO represents an alkyleneoxy group having a carbon number of 3 or more and 18 or less; EO represents an ethyleneoxy group; p represents an integer of 1 or more and 15 or less; m′ represents an integer of 0 or more; n′ represents an integer of 0 or more; W represents a hydrogen ion or a cation; and plural kinds of AOs may coexist. Requirement R: An average addition molar number m of AO is a number of 1 or more and 50 or less; an average addition molar number n of EO is a number of 0 or more and 200 or less; and when in the component A, a component having an addition molar number of AO of (m−3) or less is defined as (component A-1), and a component having an addition molar number of AO of (m+2) or more is defined as (component A-2), X in the following formula (I) is less than 30, provided that when m is less than 3, (m′=0) is defined as (component A-1): X={(molar number of component A-1)+(molar number of component A-2)}÷(molar number of component A)×100  (I).