申请人:UBE INDUSTRIES, LTD.
公开号:EP0371154A1
公开(公告)日:1990-06-06
A prepreg appropriately employable for the preparation of a fibrous material-reinforced polyimide article comprises a specific terminal-modified imide oligomer and a reinforcing fiber. The terminal-modified imide oligomer is a product of reaction of a biphenyltetracarboxylic acid (e.g., 3,3′,4,4′- or 2,3,3′,4′-biphenyltetracarboxylic acid) or its derivative, an aromatic diamine and an unsaturated monoamine.
可用于制备纤维材料增强聚酰亚胺制品的预浸料由特定的端改性亚胺低聚物和增强纤维组成。末端改性亚胺低聚物是联苯四羧酸(如 3,3′,4,4′- 或 2,3,3′,4′-联苯四羧酸)或其衍生物、芳香族二胺和不饱和单胺反应的产物。