新型铸造用酚醛树脂粘结剂的生产工艺

The Technique of A New Phenolic Resin Adhesive for Casting

苯酚、苯基苯酚、尿素与甲醛的反应产物进一步与糖醇缩聚生成新型铸造用改性酚醛树脂粘结剂。该粘结剂具有粘结强度高、低氨、低粘度等优点。其工艺技术已应用于工业生产。

A new type of phenolic resin adhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol,phenylphenol,urea and formaldehyde. The adhesive has high cohesive strength,low nitrogen content and low viscosity.The technique has been applied in plant scale.