BOARD TYPE OR PACKING MATERIAL AND MANUFACTURE THEREOF

摘要

PURPOSE:To provide boards or a packing material wherein practical strength is provided, either a bad odor or a bacteria hardly exists, and wastepaper is used as a raw material, and its simple, secure, and economical manufacturing method. CONSTITUTION:A board type or a packing material composed by binding wastepaper pieces with a binder to be molded and a manufacturing method thereof are provided. The binder is a polyisocyanate compound or its water dispersion.