采用常规酚醛树脂胶压制多层结构胶合板时,单板含水率通常要求在8%以下。
Normally, moisture content of veneer for structural plywood bonded with current PF resin is required to be less than 8%.
研究了对紫胶改性酚醛树脂胶粘剂的固化时间、接胶合板的粘接强度和甲醛释放量进行了测定。
The research of phenol-formaldehyde (PF) resin modified with lac can be expected to widen the application of the lac and enlarge the utilization of the renewable resource.
以改性三聚氰胺甲醛树脂(MF树脂)和酚醛树脂(PF树脂)为胶粘剂,设计了两组热压工艺参数,按照“冷-热-冷”工艺压制竹帘胶合板。
Taking modified MF and PF resin as the adhesive and using "cool-hot-cool" technology, this paper designs two groups of technological parameters of hot-pressing to press bamboo curtain plywood.
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