新型铸造用α-淀粉/膨润土复合粘结剂制备及应用  

Preparation and Application of New Kind of Tapioca Starch/Bentonite Composite Casting Binder

作　　者：郑玉婴[1] 程雷[1] 吴章宏[1] 陈玉琳[1] 

机构地区：[1]福州大学化学化工学院,福建福州350002

出　　处：《铸造》2008年第10期1017-1020,共4页Foundry

基　　金：福建省科技计划重大专项专题项目(2007HZ02010051);福建省自然科学基金计划资助项目(E0710010)

摘　　要：以木薯淀粉为主要原料,自行研制的有机膨润土为改性剂,经过熔融和溶液插层等工艺制备木薯淀粉/膨润土复合粘结剂。采用FTIR、XRD手段表征及力学性能测试,结果表明,该复合粘结剂具有粘结强度高、抗吸潮性好等性能,且成本低、工艺简单和环境友好。Using tapioca starch as main material and the self-developed organic-bentonite as modifier, tapioca starch/bentonite composite binder was made by melting and solution intercalation technologies. The binder was characterized by means of FTIR, XRD and mechanical performance test. The results show that this nanometer composite binder has not only high bond strength, good humidity resistance, and excellent collapsibility, but also low costs, simple process and environment friendly characteristic.

关 键 词：木薯淀粉 膨润土 铸造用粘结剂 

分 类 号：TG221[金属学及工艺—铸造]