China Bamboo Products Network here is a detailed introduction to the maintenance of environmental cleanliness, improved storage conditions, cooking bath, bleaching, drying, preservatives and paints, etc. Bamboo integrated materials for mildew, rot and frog treatment.

To carry out the implementation of the "Bamboo-generation wood" project, we must first solve the problems of bamboo "mold, rot, frog, deformation". Because natural bamboo is rich in organic substances such as sugar, fat, protein, cellulose and lignin, it is easy to breed mold, mold, worm and other phenomena, which leads to deterioration of bamboo. The mold, rot, and cockroaches of bamboo products often cause serious economic losses. At present, the fumigation method can only kill the eggs on the surface of the bamboo, it is difficult to kill the internal eggs, and has little effect on the nutrition and water in the bamboo, and the effect is not satisfactory. After the author's understanding, I have an understanding of bamboo wood mold.

Bamboo mold and rot type can be divided into four categories: sporadic distribution, uniform distribution, hyphae coverage and growth sub-entities. On the basis of the above classification, it can be subdivided into non-secreting pigment type, secreting light pigment type, secreting dark pigment type and the like. The fungi causing the mildew of bamboo are mainly Aspergillus, genus, Trichoderma, and Greenwood.

At a relative humidity of 95% and a temperature of 20 ° C to 30 ° C, the mold is very active, the fecundity is extremely strong, and the bamboo will be mildewed and corroded.

In the warehouse with poor ventilation, the surface temperature of the bamboo is high and the relative humidity is close to saturation due to the continuous diffusion and evaporation of water from the bamboo. This provides favorable conditions for the spore germination hyphae.

Our comprehensive measures against bamboo mold, anti-corrosion and anti-mite are:

• (1) Keep the environment clean: The processing and storage environment and nearby areas should avoid the presence of bamboo moldy waste, and the generated bamboo waste should be disposed of in time to reduce the chance of airborne mold.
• (2) Improve storage conditions: Bamboo products and semi-finished products should be stored in a ventilated and dry place. Conditional ventilation and dehumidification equipment should be provided to make the indoor relative humidity below 75%. Bamboo products and semi-finished products should be stacked 500mm from the ground to facilitate ventilation and drying. The newly cut bamboo can be erected outdoors, reducing contact with the ground and improving ventilation.
• (3) Cooking bath: For small bamboo and bamboo products, it can be processed in a boiling bath at a temperature above 70 °C. The boiling bath can effectively reduce the soluble nutrients of the mold in the bamboo and kill the potential mold and eggs.
• (4) Bleaching: The cooking bath will affect the color of the bamboo. Bleaching also has the effect of killing latent mold. It can be bleached with 10% hydrogen peroxide, and the effect is good.
• (5) Drying: The moisture content of bamboo is of great significance against mildew. Therefore, bamboo products should be dried immediately after being subjected to boiling, bleaching or hot dip, in order to prevent mold in the air from propagating on the surface of moist bamboo.
• (6) Use of preservatives and paints: It should be selected according to the type and use of bamboo products. Bamboo products that have been dried and treated should be painted in time to prevent the bamboo from absorbing moisture and dampness. The surface finish of bamboo is not only beautiful, but also has the effect of preventing mildew and insects. Commonly used bamboo mildew preservatives have a certain toxic or irritating odor, and paint can isolate the preservatives of bamboo.