| 摘要 |
PURPOSE:To obtain the subject material having light weight and excellent rigidity and heat-resistance and useful as a core material of a ceiling for automobile by using an inorganic fiber and a thermoplastic resin fiber as main raw materials, forming a layer on a mat of the above fibers, pressing the laminate under heating and releasing the compressive force. CONSTITUTION:The objective material can be produced by forming a needle- punched mat composed mainly of (A) an inorganic fiber and (B) a thermoplastic resin fiber, applying a layer composed of opened component A and (C) a thermoplastic resin on at least one surface of the mat, pressing the laminate while heating at a temperature above the melting point of the component B and the component C and releasing the compressive force while keeping the temperature above the melting point of the component B and the component C to recover the thickness. |
