Light-weight fiber board and manufacture thereof
专利汇可以提供Light-weight fiber board and manufacture thereof专利检索，专利查询，专利分析的服务。并且PURPOSE:To form a light-weight fiber board having high lightness in weight, high heat insulating property, small water and moisture absorbability, high mechanical strength and high dimensional stability by using vegetable fibers mutually entangled and bonded with a resin, containing capsules housed with a volatile liquid so as to hold closed cellular structures among the fibers. CONSTITUTION:A vegetable fiber, e.g., wooden fibers, etc., is charged into a blender where the fiber is mixed with a thermosetting binder mixed with a blowing agent composed of thermoplastic resin capsules containing a volatile liquid. The wooden fibers so treated are sent pneumatically to a felter to form a mat. The matted fibers are continuously fed and cut into a given size and then molded by a hot press, whereupon the shell of the blowing agent is softened and expanded by the vapolization of the volatile liquid incorporated in the capsules to form closed cells and at the same time the binder is hardened. The internal pressure of the compacted fiber mat becomes higher by the volumetric expansion of the blowing agent, the wooden fibers are mutually bonded by pressure of the hot press, etc., with the aid of the binder and the thermoplastic resin. The bonding strength of the fibers is raised and the mechanical strength and the internal binding force can also be enhanced.，下面是Light-weight fiber board and manufacture thereof专利的具体信息内容。
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