竹木复合刨花板制造工艺研究

从胶水类型、施胶方法以及关键工艺参数等方面探讨了竹木复合刨花板的生产工艺,综合结果表明,竹木复合刨花板批量生产的工艺参数为:低摩尔比环保树脂胶、搅拌气流式喷胶法、竹刨花比例40%～60%、用胶量70 kg(干胶)·m-3、热压压力2.0 MPa、热压温度170℃、热压时间20 s·mm-1、刨花颗粒(芯层)0.5～1.0 mm、板厚8.8 mm。生产的竹木复合刨花板产品质量执行国家标准,质量可以达到国标A类刨花板一等品标准。

Study on Manufacturing Technology of Lumber and Bamboo Composite Shaving Board

This paper comprehensively discussed the technological problems,such as the types of glue,the methods of appling glue and technological parameters,synthesis results showed that the lumber and bamboo composite shaving board production process parameters were:low molar ratio of environment protection resin glue,mixing air-glue-spray method,the proportion 40~60% of bamboo shavings,resin content 70 kg(adhesive)/m3,thermal pressure 2.0 Mpa,hot pressing temperature 170 ℃,pressing time 20 s/mm thickness,wood shavings particles(core layer) 0.5~1.0 mm,thickness 8.8 mm.Production of wood composite particle board implementation of national standards for product quality,quality could meet the national standard Class A particle board products first-class standard.