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    • 4. 发明授权
    • Coating compositions which contain a low surface tension (meth) acrylate containing block copolymer flow control agent
    • 含有低表面张力(甲基)丙烯酸酯的嵌段共聚物流动控制剂的涂料组合物
    • US06583223B2
    • 2003-06-24
    • US09965547
    • 2001-09-27
    • Jonathan D. GoetzKurt A. HumbertKarl F. SchimmelKaren A. BarkacSimion CocaJoanne H. Smith
    • Jonathan D. GoetzKurt A. HumbertKarl F. SchimmelKaren A. BarkacSimion CocaJoanne H. Smith
    • C08L5300
    • C08F293/005
    • A thermosetting composition that includes a first reactant having functional groups; a second reactant having functional groups coreactive with the functional groups of the first reactant; and a block copolymer flow control agent. The block copolymer includes a first block made up of residues of a radically polymerizable fluoroalkyl(meth)acrylate monomer, a second block made up of residues of a second radically polymerizable ethylenically unsaturated monomer, and optionally a third block made up of residues of a third radically polymerizable ethylenically unsaturated monomer. The first, second and third blocks are made of different residues from each other and the block copolymer has a polydispersity index of less than 2.5. Also disclosed is a method of coating a substrate including the steps of applying the present thermosetting composition to the substrate; coalescing the thermosetting composition to form a substantially continuous film; and curing said thermosetting composition by the application of heat.
    • 一种热固性组合物,其包含具有官能团的第一反应物; 具有与第一反应物的官能团起核心作用的官能团的第二反应物; 和嵌段共聚物流动控制剂。 嵌段共聚物包括由可自由基聚合的(甲基)丙烯酸烷基酯单体的残基构成的第一嵌段,由第二可自由基聚合的烯键式不饱和单体的残基构成的第二嵌段,以及任选地由第三个 可自由基聚合的烯属不饱和单体。 第一,第二和第三嵌段由彼此不同的残基组成,嵌段共聚物的多分散指数小于2.5。 还公开了一种涂覆基材的方法,包括以下步骤:将本发明的热固性组合物施用于基材; 聚合该热固性组合物以形成基本连续的膜; 并通过加热来固化所述热固性组合物。