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    • 33. 发明授权
    • Resin impregnation process for producing a resin-fiber composite
    • 用于树脂纤维复合材料的树脂浸渍方法
    • US5281388A
    • 1994-01-25
    • US854858
    • 1992-03-20
    • Raymond J. PalmerWilliam E. Moore
    • Raymond J. PalmerWilliam E. Moore
    • B29C43/12B29C70/44
    • B29C70/443B29C2043/3644B29C43/12B29K2101/10
    • Process for vacuum impregnation of a dry fiber reinforcement with a curable resin to produce a resin-fiber composite, by drawing a vacuum to permit flow of curable liquid resin into and through a fiber reinforcement to impregnate same and curing the resin-impregnated fiber reinforcement at a sufficient temperature and pressure to effect final curing. Both vacuum and positive pressure, e.g. autoclave pressure, are applied to the dry fiber reinforcement prior to application of heat and prior to any resin flow to compact the dry fiber reinforcement, and produce a resin-fiber composite of reduced weight, thickness and resin content, and improved mechanical properties. Preferably both a vacuum and positive pressure, e.g. autoclave pressure, are also applied during final curing.
    • 用可固化树脂真空浸渍干纤维增强材料以制备树脂纤维复合材料的方法,通过抽真空以使可固化液体树脂流入并通过纤维增强剂以浸渍纤维增强物,并将树脂浸渍的纤维增强物固化 足够的温度和压力以实现最终固化。 真空和正压两者,例如 高压釜压力在施加热量之前并且在任何树脂流动之前施加到干纤维增强物上以压实干纤维增强材料,并且生产重量轻,厚度和树脂含量降低的树脂纤维复合材料以及改善的机械性能。 优选地,真空和正压,例如, 高压釜压力也在最终固化期间施加。