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ADHESIVE COMPOSITIONS FOR BONDING LIGNOCELLULOSIC MATERIALS, BONDING METHODS AND APPARATUS, AND BONDED ARTICLES
ADHESIVE COMPOSITIONS FOR BONDING LIGNOCELLULOSIC MATERIALS, BONDING METHODS AND APPARATUS, AND BONDED ARTICLES
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机译:用于粘合纤维素材料的粘合组合物,粘合方法和装置以及粘合的物品
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摘要
New adhesives for bonding lignocellulosic material such as wood and wood products include a liquid adhesive solution and a predetermined quantity of extender. One type of extender is an inorganic extender such as earth soil powder, which can be used to form an extended adhesive having a higher viscosity, which may have a liquid state, a solid state or an intermediate state. Another type of extender is an organic extender containing starch, which can be used to form an adhesive having a high viscosity. The new adhesives can be formulated to provide at least comparable bonding strength but are cheaper to use than conventional liquid adhesives in making plywood, fiber board, oriented strand board and other engineered panels and wood products.
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