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    • 43. 发明公开
    • In-mold coating powder containing 1,1'-di(t-butylperoxy)-3,3,5-trimethylcyclohexane as an initiator.
    • 粉末的模内涂层具有两个引发剂或1,1-二(叔丁基过氧)-3,3,5-三甲基环己烷作为唯一的引发剂。
    • EP0309088A2
    • 1989-03-29
    • EP88307377.7
    • 1988-08-10
    • MORTON INTERNATIONAL, INC.
    • Cummings, Frederick LeonCorrell, Glenn D.
    • C09D133/04C08F299/04C08F4/38C08F4/36
    • C08F299/0442C09D167/06
    • Unsaturated polyester resin coating powder composition consisting essentially of at least one unsaturated polyester resin; at least one copolymerizable second resin; and an initiator which comprises 1,1′-di(t-butylperoxy)-3,3,5-trimethylcyclo­hexane (AE), or which contains a small proportion of a fast initiator and a relatively large proportion of a slow initiator as defined herein. A method is also disclosed for forming a cured unsaturated polyester surface coating on a cured unsaturated polyester substrate by coating one of the previously stated powder compositions on a heated mold surface so the coating flows and coalesces to form a partially crosslinked coating, then putting a charge of reinforced polyester resin in the mold and closing the mold, maintaining a suitable pressure and temperature for a time sufficient to cure the fill resin and the coating. The coating and substrate are crosslinked across the interface between them when the part is cured.
    • 不饱和聚酯树脂涂料粉末组合物基本上由至少一种不饱和聚酯树脂; 至少一种可共聚的第二树脂; 和在引发剂,其包括1.1分钟的二(叔丁基过氧)-3,3,5-三甲基环己烷(AE),或其中包含如在所限定的几乎引发剂和引发剂缓慢的相对大的比例的一小部分 , 因此,一个方法是盘游离缺失,用于通过对一个加热的模具表面上,从而所述涂层流动涂覆如前所述粉末组合物中的一个上形成一个固化的不饱和聚酯基的固化的不饱和聚酯的表面涂层和聚结以形成部分交联的涂层,然后将一个电荷 增强聚酯树脂在模具和关闭模具,保持足够长的时间以固化该填充树脂和涂层的合适的压力和温度。 该涂层基材和跨过它们之间的界面交联。当部分固化。