Preparation method of long-acting weather-proof type recombinant bamboo

Abstract

The invention discloses a preparation method of long-acting weather-proof type recombinant bamboos, and belongs to the technical field of furniture material preparation. According to the preparation method of the long-acting weather-proof type recombinant bamboos, pretreated bamboo skin fiber bundles are firstly soaked by using absolute ethanol, hydroxylation modifying is conducted on the pretreated bamboo skin fiber bundles to obtain polyhydroxy bamboo skin fiber bundles, then the pretreated fiber bundles are oxidized by using a potassium permanganate solution, thus gydroxyl groups on the surface of the fiber bundles are oxidized to carboxyl groups, the oxidized fiber bundles, zinc nitrate, iron nitrate and tetrabutyltitanate are mixed to react, nano-titanium oxide and zinc oxide have ultraviolet shielding properties, the light aging resistance and the mildew and corrosion resistance of the recombinant bamboos are improved, metal oxide particles are formed by in-situ chelation and arenot prone to being scratched and lost, the recombinant bamboos can be protected for a long time, the modified bamboo fiber bundles are used as raw materials to conduct in-situ condensation sizing with phenolic material emodin and furfural, a thermosetting furfural resin adhesive and the modified bamboo fiber bundles are obtained to be cross-linked and mixed, because the formaldehyde content of furfural resin is lowered, and the recombinant bamboos are made without formaldehyde.

Description

technical field [0001] The invention discloses a preparation method of long-acting weather-resistant recombined bamboo, which belongs to the technical field of furniture material preparation. Background technique [0002] Generally speaking, the bamboo furniture we talk about mainly refers to traditional bamboo furniture, that is, traditional round bamboo furniture, and traditional round bamboo furniture is mainly composed of rod-shaped round bamboo. With the rapid development of science and technology, the connotation and extension of the definition of bamboo furniture have undergone great changes. Modern bamboo furniture mainly refers to furniture made of bamboo as the main raw material. According to the structural form, it can be divided into: round Bamboo furniture, bamboo glulam furniture, bamboo composite wood furniture and bamboo curved and glued furniture. Bamboo reconstituted wood furniture, also known as recombined bamboo furniture, commonly known as heavy bamboo ...

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is aimed at the high formaldehyde content and poor weather resistance of recombinant bamboo when it is used outdoors at present, mainly including water resistance, anti-corrosion, anti-mildew and light aging resistance. The conventional method for improving weather resistance is to add weather-resistant fillers. These fillers are extremely It is easy to be scratched off, easy to be lost, and is not suitable for the long-term protection of the surface of recombinant bamboo. A preparation method for long-term weather-resistant recombinant bamboo is provided.

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