【摘要】 经对比实验，研究了影响合成的因素，优选了反应条件和原料，采用性能稳定、易于控制的催化和缓冲体系，获得重现性好、贮放时间达一年以上稳定、复鞣性能独特的系列产品。更多还原

【Abstract】 Abstract In the presence of buffing system and quality stable catalysts,the synthesis of amino resin is fully studied.Because the reactive conditions and various materials are optimized,the series Prod-ucts are very stable which can be stored for a long period.These products possess good retan-ning properties in various leather manufacture.更多还原