Preparation of laminated sheet

Abstract

Abstract PURPOSE:To increase the stiffness of an extremely thin metal foil, to eliminate wrinkles and breakage, and to reduce an inferiority rate, cost and a working process by laminating a metal foil provided with a resin layer to a surface, on which a resin impregnated base material is superposed, to perform molding. CONSTITUTION:Laminates each of which is formed by arranging a metal foil having a thickness of 3-12mum provided with a resin layer in a thickness of 1-100g/m<2> to the upper surface and/or lower surface on which a required number of resin impregnated base materials are superposed are laminated and molded. As the resin of the resin impregnated base material to be used, a phenol resin, a cresol resin, an epoxy resin and a fluorocarbon resin are used alone or in a mixed state or modified resins thereof are used. As the base material, there are a fabric, a nonwoven fabric, a mat, paper or a combination thereof composed of an inorg. fiber of glass or asbestos, an org. synthetic fiber of polyester or acrylic resin or a natural fiber. The metal foil provided with the resin layer is composed of copper, aluminum, iron or the like, an alloy thereof or a composite product thereof.

Inventors

• 👤 Yasuo Azumabayashi
• 👤 泰郎 東林
• 👤 Sadahiro Shirakawa
• 👤 白川　定洋

Bibliographic Details