| 摘要 |
<p>To produce a vehicle interior base material being light and excellent in dimension stability, such as a ceiling material or a door trim material for a vehicle. Used is a method of producing a vehicle interior material having a sandwich structure, comprising the steps of (I) stacking a polyurethane foam, vegetable fibers, a thermosetting adhesive, and optionally a skin for surface decoration and/or a film preventing the exudation of the adhesive, (II) charging the laminate into a mold having a temperature of 80 to 150 °C, and closing the mold to cure the adhesive, and (III) demolding a molded product after the curing of the adhesive, characterized in that the size of the vegetable fibers is adjusted to be a diameter of at most 1.0 mm and a length of 10 mm to 100 mm.</p> |
