Artificial fast growing wood glued board and producing method thereof
A technology for plywood and fast-growing wood, applied in the field of plywood, can solve the problems of more modified soybean protein adhesives and less research on modification, etc.
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[0069] Artificial fast-growing wood natural plywood, including a series of artificial fast-growing wood plywood products made of vegetable protein adhesives: ordinary plywood, laminated veneer lumber, blockboard, finger-jointed board, technical wood. Taking the best process conditions as an example, the production methods of each product are described in detail below:
[0070] 1. The production method of ordinary plywood, taking 7-layer plywood as an example:
[0071] (1) Veneer pretreatment step: sort the raw veneer, and use a mesh belt dryer to dry the veneer to a moisture content of about 12%. Manually repair the surface defects of the veneer after drying, and store it according to the specifications.
[0072] (2) Gluing and billet assembly steps: the veneer in the direction of the long core is pressed at 200g / m 2 (Single-sided) sizing amount is double-sided gluing, under the hot-air drying condition of temperature 75 ℃, the moisture content of sizing board is reduced to ...
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