A kind of bamboo-plastic plywood and its processing technology

Abstract

The invention discloses bamboo plastic plywood and a processing technology thereof. The bamboo plastic plywood comprises a core layer consisting of bamboo fragments; multiple bamboo strips are clamped in middle of the core layer or laid on frontal and reverse two surfaces as transverse rib sets to form a core blank layer; bamboo curtains or bamboo strips are arranged on the core blank layer as a longitudinal rib layer; and a PVC sheet piece containing calcium carbonate is arranged on the longitudinal rib layer as a product surface layer. Compared with the prior art, the core layer is wide in source, is inexhaustible, and belongs to a product with high-efficiency material recycling; the PVC material, serving as the product surface layer, is used for replacing traditional bamboo mat or other surface layer, so that the product wear resistance is improved, and the service life is prolonged; and the bamboo strips or the bamboo curtains serve as longitudinal and transverse stress structures of the product, so that the production and the molding are convenient, and the purpose of adjusting longitudinal and transverse strength of the product through adjusting specific gravity of the longitudinal and transverse bamboo strips according to actual demands of product use can be achieved.

Description

technical field [0001] The invention relates to the technical field of bamboo wood and plastic plywood, in particular to a bamboo-plastic plywood and its processing technology. Background technique [0002] Bamboo is widely distributed in my country, with a large area of ​​bamboo forests. Bamboo has become a popular raw material for processing because of its characteristics of easy growth and short growth cycle. Bamboo plywood is a board made of moso bamboo as the main structure and filling material, which is formed into a billet under high pressure and cured at high temperature. Bamboo plywood has the characteristics of high hardness, flexural resistance, strong pressure resistance, good wear resistance, and low water expansion rate. Box bottom, train car box and bottom, container board, refrigerated ship board, decorative bamboo floor and other related boards. And because bamboo is easy to cultivate, it can be felled in more than four years, and it will grow quickly. The...

AI Technical Summary

Problems solved by technology

[0003] At present, there are many production methods of bamboo plywood. Its structure is generally made of a core layer made of bamboo curtains or bamboo sheets, and its surface is generally made of bamboo mats or wood veneers or laminated film. Bamboo plywood products produced by plywood processing methods will inevitably have gaps in the core layer of the product or defects such as high water absorption expansion rate and low surface wear resistance

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