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    • 80. 发明授权
    • Low gloss powder coating composition
    • 低光泽粉末涂料组合物
    • US07166675B2
    • 2007-01-23
    • US10769148
    • 2004-01-30
    • Kristin M. BartlettSimion CocaAnthony M. Chasser
    • Kristin M. BartlettSimion CocaAnthony M. Chasser
    • C08L35/00
    • C09D133/08C08L2666/14
    • A thermosetting protective and/or decorative coating composition that includes a co-reactable solid, particulate mixture of a film-forming material that includes a copolymer containing functional groups and a crosslinking agent having at least two functional groups that are reactive with the functional groups in the copolymer. The film-forming material makes up from 20 to 95 wt. % and the crosslinking agent makes up from 5 to 80 wt. % of the composition. The composition is applied as a coating and cured, forming a bicontinuous morphology where the film-forming material and the crosslinking agent form separate phases resulting in a low gloss coating as indicated by a specular gloss measurement of not more than 10 gloss units measured at 60° with an appropriate instrument. A method of coating a substrate using the composition, substrates coated using the method, and a multi-component composite coating composition that includes the composition are disclosed.
    • 一种热固性保护和/或装饰性涂料组合物,其包含可共反应的固体,成膜材料的颗粒混合物,其包含含有官能团的共聚物和具有至少两个与官能团反应的官能团的交联剂 共聚物。 成膜材料占20〜95wt。 %,交联剂占5〜80wt。 %的组成。 该组合物作为涂层施用并固化,形成双连续形态,其中成膜材料和交联剂形成分离相,导致低光泽涂层,如通过在60℃下测量的不超过10个光泽度单位的镜面光泽度测量所指示的 °与适当的仪器。 公开了使用该组合物涂布基材的方法,使用该方法涂布的基材和包含该组合物的多组分复合涂料组合物。