| abstract |
The invention provides an automobile interior material and a preparation method thereof. 1. Cut ramie into fibers of 70 mm, put it into a stainless steel container, add sodium bicarbonate solution and stir for 60 minutes; 2. Clean the hemp fibers and dry them; 3. Put it into a warm water constant temperature bath at 30°C for 60 minutes, add 1% styrene monomer and 0.1% cerium ammonium nitrate, and dry it after cleaning; 4. Put it on the wool machine to loosen and mix it with polypropylene fibers; 5. Use The carding machine is combed into a net shape; 6. The multi-layer net body with a weight of 1500g per square meter is laid in parallel; 7. Polypropylene cloth is added as the surface layer on both sides, and is reinforced by the needle punching machine; 8. The use of The molding equipment is pressed into profiles of automotive interior materials. The automobile interior material produced by the method has the advantages of low price, sound absorption and heat insulation, strong rigidity and durability, simple technological process and no environmental pollution. |