复合淀粉胶的制备及在胶合板上的应用

Preparation of compound starch adhesive and it's application in plywood

以玉米淀粉为主体 ,采用高锰酸钾氧化 ,硼砂和三羟甲基苯酚交联剂复合改性等方法 ,制成耐水性、稳定性和胶合强度较好的复合淀粉胶。用该胶压制的胶合板质量可达到GB T9846 1 988和GB/T1 765 7 1 999标准要求 ,其胶合强度P >0 75MPa。表 4参

The processes of producing purple salt oxidizing and borax,TMP componnd modificating with corn starch is described.The new starch adhesive has good water resistance,stability,and bonding strength.The quility of plywood could meet requirements specified in standard GB/T9846 1988 and GB/T17657 1999 plywood for poessing corn starch adhesive.The new starch adhesive makes the wet bond strength of plywood above 0 75 MPa