一、引言以往涂附磨具行业用量最大的粘结剂是以大型哺乳动物的皮、骨、肌腱等结缔组织经加工、熬制而成的动物胶。但是,近年来动物胶的价格日趋昂贵,从而导致涂附磨具的生产成本不断上涨,从而使得有关厂家的利润也不断减少。因此,对涂附磨具行业所使用的 I. INTRODUCTION In the past, the largest amount of adhesive coated on the abrasive industry was made from the processed and boiled animal glue made from the connective tissue of large mammalian skin, bone and tendon. However, in recent years, the price of animal glue has become more and more expensive, which leads to the rising production cost of coated abrasives, and the profit of the manufacturers concerned has also been declining. Therefore, the use of coated abrasive industry