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3. 发明公开

EP3237331A1 CUPROUS STANNATES AS THERMAL STABILIZERS 有权
标题翻译： CUPROUS STANNATES作为热稳定剂
公开(公告)号：EP3237331A1
公开(公告)日：2017-11-01
申请号：EP15766198.4
申请日：2015-09-09
申请人： William Blythe Limited
发明人： CASSIDY, David , CROSSLEY, David Christopher , BAMFORD, Andrew
IPC分类号： C01G19/00 , C01G19/02
CPC分类号： C01G19/006 , C01G19/02 , C01P2006/32 , C01P2006/90
摘要： Cuprous stannate (Cu2SnO3.xH2O) is disclosed, wherein x is 0-3. The cuprous stannate may be incorporated into a composition comprising a polymer, which may be an organic polymer, such as polyvinyl chloride, polyethylene, polypropylene, polystyrene, or an epoxy resin. The polymer composition may contain 0.01-30 wt.% cuprous stannate or if provided as a masterbatch, the composition may comprise 30-70 wt.% cuprous stannate. A method of synthesising cuprous stannate is also claimed, which includes the step of mixing a sodium stannate solution with hydrocuprochloric acid. Typically, the method comprises the additional precursor steps of treating copper (II) oxide with concentrated hydrochloric acid to form copper (II) chloride in solution, which is then mixed with copper metal to produce hydrocuprochloric acid. Use of the cuprous stannate as a smoke suppressant, flame retardant, or thermal stabiliser is also disclosed.
摘要翻译：已发现锡酸亚锡（Cu 2 SnO 3·xH 2 O）（其中x为0,1,2或3）可有效地起到烟雾抑制剂，阻燃剂，热稳定剂的作用; 并且特别防止聚合物机械性能的降低。它还有助于组合物的热辐射损失。与有机聚合物一起使用已将上述效果显示出与目前用于此类目的的现有材料相当的水平，其中没有一种具有与用于有机聚合物的热稳定剂一样广泛的作用谱。亚锡酸亚锡被认为用作热稳定剂并且优选与塑料（有机聚合物）结合使用。另外，它本身不是可燃的，因此不会在任何高温燃烧中产生热量。

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