Wood veneer advanced compound material manufacturing method

Abstract

The invention discloses a wood veneer advanced compound material manufacturing method. The method includes the following steps that (1), according to the volume ratio of phenolic resin adhesives to epoxy resin adhesives to polyurethane adhesives of 1:0.2 to 0.3:0.25 to 0.35, and the phenolic resin adhesives, the epoxy resin adhesives and the polyurethane adhesives are uniformly mixed to obtain composite adhesives, wherein the solid content of the phenolic resin adhesives, the epoxy resin adhesives and the polyurethane adhesives is respectively 40%-60%; (2), the composite adhesives are sprayed to a wood veneer, a glass fiber mesh and a copper wire gauze surface, wherein the spraying amount is 180 g / m <2>-220 g / m <2>, the thickness of the wood veneer ranges from 0.6 mm to 1.2 mm, and the diameter of glass fibers and the diameter of a copper wire range from 0.05 mm to 0.09 mm; (3) assembly is conducted according to design requirements, the thickness of a slab ranges from 50 mm to 80 mm, and then hot pressing is carried out on the slab for 5 min-30 min at the temperature of 100 DEG C-120 DEG C under pressure of 1.5 MPa-3.5MPa so that the moisture content of the slab can be 8%-12%. The method is easy to achieve, convenient to operate and low in production cost.

Description

technical field [0001] The invention relates to a method for manufacturing advanced composite materials of wood veneer, in particular to a method for manufacturing advanced composite materials by using glass fiber mesh and copper mesh to reinforce wood veneer. Background technique [0002] The wood veneer advanced composite material is a load-bearing structure that directly bears the wheel pressure of the vehicle. In terms of structure, it is usually integrally connected with the beam ribs and diaphragms of the main beam, so that it can not only transmit the vehicle to the main beam, but also form an integral part of the main beam section, and ensure the overall function of the main beam. The bridge deck can apply transverse prestress and is one of the key components of the bridge. In 1972, Bohannan focused on the research progress of the American Forest Products Laboratory on wooden bridge decks. Later, Mozingo Ralph invented a bridge deck consisting of longitudinally pla...

AI Technical Summary

Problems solved by technology

So far, domestic and foreign research has mainly focused on bridge decks made of solid wood or wood-block glulam. However, the utilization rate of timber resources for such bridge decks is low, especially in my country's plantation forests. Timber still not used for wooden bridge decks

However, the strength of wood veneer composites is low and cannot meet the requirements of engineering materials.

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