α－淀粉对合脂砂的改性作用及生产实践  

The Effects and Productive Praclice of α-starch on Improving the Properties of Sand Bonded by the Residue of Synthetic Fatty Acid

作　　者：刘乃仑 孙志先 

机构地区：[1]第一汽车制造厂,130011

出　　处：《铸造技术》1994年第3期25-26,共2页Foundry Technology

摘　　要：针对合脂砂的缺点，尝试用α－淀粉对其改性，并成功应用于大批量生产。生产实践证明，α－淀粉是合脂砂较理想的改性材料。According to the short coming the proporties of sand bonded by residue of synthetic fatty acid.the α-starchas an additive has been succassfully applied to the large quantity preduotion. It has been tested and verified that α-starch isa suitable material of improving the properties of sand bonded by the residue of synthetic fatty acid.

关 键 词：Α-淀粉 合脂砂 

分 类 号：TG221[金属学及工艺—铸造]