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    • 10. 发明申请
    • AQUEOUS POLYMER DISPERSION
    • 水性聚合物分散体
    • WO2005010065A1
    • 2005-02-03
    • PCT/AU2004/000989
    • 2004-07-23
    • ORICA AUSTRALIA PTY LTDCHALMERS, Amanda,JaneFARRUGIA, Jason, MichaelSALTER, Elizabeth, AnnSUCH, Christopher, HenryMACKINNON, Olga, Maree
    • CHALMERS, Amanda,JaneFARRUGIA, Jason, MichaelSALTER, Elizabeth, AnnSUCH, Christopher, HenryMACKINNON, Olga, Maree
    • C08F265/04
    • C09D151/003C08F2/22C08F265/04C08F265/06C08F285/00C08L51/003C08L2666/02C09D7/43C09J151/003
    • The invention provides a process for preparing an aqueous dispersion of water insoluble heteropolymeric particles comprising polymerising in an aqueous reaction medium ethylenically unsaturated monomers, said ethylenically unsaturated monomers comprising ionisable ethylenically unsaturated monomers and non-ionisable hydrophilic ethylenically unsaturated monomers, to form said heteropolymeric particles dispersed in said aqueous reaction medium, wherein the monomers in said reaction medium at any point in time comprise less than 5 weight % of ionisable ethylenically unsaturated monomer, wherein for at least a part of the polymerisation the monomers in said reaction medium have a composition which is maintained with an ionisable ethylenically unsaturated monomer content of from 0.5 to less than 5 weight % throughout polymerisation of at least 30 weight % of the total amount of monomers polymerised to form the heteropolymeric particles, and wherein the total amount of non-ionisable hydrophilic ethylenically unsaturated monomers and ionisable ethylenically unsaturated monomers polymerised constitutes at least 75 weight % of the total amount of monomers polymerised to form the heteropolymeric particles, a method of preparing a paint comprising conventional paint additives and the aqueous dispersion of water insoluble heteropolymeric particles of the invention, and a novel aqueous dispersion of water insoluble heteropolymeric particles.
    • 本发明提供了一种制备水不溶性杂聚颗粒的水性分散体的方法,包括在水性反应介质中聚合烯键式不饱和单体,所述烯属不饱和单体包括可离子化的烯键式不饱和单体和不可离子化的亲水烯键式不饱和单体,以形成分散的所述杂聚颗粒 在所述水性反应介质中,其中所述反应介质中任何时间点上的单体包含小于5重量%的可离子化烯属不饱和单体,其中对于至少一部分聚合,所述反应介质中的单体具有 在聚合过程中保持0.5至小于5重量%的可离子化烯键式不饱和单体含量,其至少为聚合形成杂聚颗粒的单体总量的至少30重量%,并且其中不可离子化的亲水 聚合的非烯属不饱和单体和可离子化烯键式不饱和单体构成聚合形成异聚颗粒的单体总量的至少75重量%,制备包含常规涂料添加剂的涂料的方法和水不溶性异源聚合物颗粒的水分散体 发明和一种新的水不溶性聚合物颗粒的水性分散体。