Production method for formaldehyde-free bamboo chip plate
A production method and technology of bamboo chips, which are applied in the field of plate manufacturing, can solve problems such as low bonding strength and poor water resistance, and achieve good bonding effect, improved waterproof performance, and good curing effect
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[0027] Example 1
[0028] A manufacturing method of formaldehyde-free bamboo board includes the following steps:
[0029] (1) Heat treatment: Put the bamboo in hot steam for 5 hours;
[0030] (2) Making bamboo slices;
[0031] (3) Drying: Place the wood in a dryer with a relative air humidity of 10%, and dry it at a temperature of 50°C and a wind speed of 10m / s until the moisture content of the wood is 23%;
[0032] (4) Repairing: repairing and finishing the boards with bad shapes;
[0033] (5) One-time gluing: Coating A adhesive on the surface of the wood to form a glue layer, the coating amount of the A adhesive is 100g / m 2 The A adhesive is composed of the following raw materials in parts by mass: 30 parts of chitosan, 10 parts of konjac chitosan, 4 parts of lysozyme, 40 parts of fish gelatin, 10 parts of montmorillonite, 1 part of salicylic acid Parts, 6 parts of potassium dichromate;
[0034] (6) Tissue culture: The fiber angle between the two bamboo boards is 90 degrees, and the nu...
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[0041] Example 2
[0042] A manufacturing method of formaldehyde-free bamboo board includes the following steps:
[0043] (1) Heat treatment: Put the bamboo in hot steam for 3 hours;
[0044] (2) Making bamboo slices;
[0045] (3) Drying: Place the wood in a dryer with a relative air humidity of 20%, and dry it at a temperature of 40°C and a wind speed of 20m / s until the moisture content of the wood is 15%;
[0046] (4) Repairing: repairing and finishing the boards with bad shapes;
[0047] (5) One-time gluing: Coating A adhesive on the wood surface to form a glue layer, and the coating amount of the A adhesive is 200g / m 2 The A adhesive is composed of the following raw materials in parts by mass: 20 parts of chitosan, 30 parts of konjac chitosan, 1 part of lysozyme, 50 parts of fish gelatin, 5 parts of montmorillonite, 5 parts of salicylic acid 1 part, potassium dichromate 1 part;
[0048] (6) Tissue culture: The fiber angle between the two bamboo boards is 90 degrees, and the number of...
Example Embodiment
[0055] Example 3
[0056] A manufacturing method of formaldehyde-free bamboo board includes the following steps:
[0057] (1) Heat treatment: Put the bamboo in hot steam for 4 hours;
[0058] (2) Making bamboo slices;
[0059] (3) Drying: Put the wood in a dryer with a relative air humidity of 15%, and dry it at a temperature of 45°C and a wind speed of 15m / s until the moisture percentage of the wood is 20%;
[0060] (4) Repairing: repairing and finishing the boards with bad shapes;
[0061] (5) One-time gluing: Coating A adhesive on the surface of wood to form a glue layer, the coating amount of the A adhesive is 150g / m2; the A adhesive is composed of the following raw materials in parts by mass : 25 parts of chitosan, 20 parts of konjac chitosan, 3 parts of lysozyme, 45 parts of fish gelatin, 8 parts of montmorillonite, 3 parts of salicylic acid, 5 parts of potassium dichromate;
[0062] (6) Tissue culture: The fiber angle between the two bamboo boards is 90 degrees, and the number of ...
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