Machine pressed plate and processing method thereof
A processing method and board technology, applied in wood processing appliances, pressurized wood treatment, wood treatment, etc., can solve the problem that machine-pressed boards cannot be used normally, poor oxidation resistance and fire resistance, machine-pressed boards fall off and slag, etc. problems, to avoid the contact of wood particles with water, good oxidation resistance and fire resistance, and a wide range of applications
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Embodiment 1
[0030] Example 1. A machine-pressed plate, the processing method comprising the following steps:
[0031] A, waste wood is crushed to obtain product a, and the particle size of product a is 3-8mm;
[0032] B, product a is subjected to high-pressure cooking, and the temperature of high-pressure cooking is 150° C. to obtain product b;
[0033] C. Dry product b at a temperature of 120° C. to obtain product c;
[0034] D, the product c and the glue are in a weight ratio of 2:1, heated and stirred, and mixed uniformly to obtain the product d; the glue is made of the following raw materials in the weight component ratio; 20 parts of phenolic resin glue, 10 parts of resorcinol 5 parts of vinyl acetate, 2 parts of ethyl acetate, 5 parts of emulsifier, 7 parts of anti-aging agent, 4 parts of softening oil and 5 parts of flame retardant;
[0035] E. Pour the product d into the mold, lay it flat, and hot press molding. The temperature of hot pressing molding is 80°C to get the finishe...
Embodiment 2
[0036] Example 2. A machine-pressed plate, the processing method comprising the following steps:
[0037] A, waste wood is crushed to obtain product a, and the particle size of product a is 3-8mm;
[0038] B, product a is subjected to autoclaving, and the temperature of autoclaving is 180° C. to obtain product b;
[0039] C. Dry product b at a temperature of 140° C. to obtain product c;
[0040] D, the product c and the glue are in a weight ratio of 3:1, heated and stirred, and mixed uniformly to obtain the product d; the glue is made of the following raw materials in the weight component ratio; 28 parts of phenolic resin glue, 12 parts of resorcinol 13 parts of vinyl acetate, 4 parts of ethyl acetate, 10 parts of emulsifier, 7 parts of anti-aging agent, 6 parts of softening oil and 7 parts of flame retardant;
[0041] E. Pour the product d into the mold, lay it flat, and hot press molding. The temperature of hot pressing molding is 90°C to get a finished product.
Embodiment 3
[0042] Example 3. A machine-pressed plate, the processing method comprising the following steps:
[0043] A, waste wood is crushed to obtain product a, and the particle size of product a is 3-8mm;
[0044] B, product a is subjected to autoclaving, and the temperature of autoclaving is 200° C. to obtain product b;
[0045] C. Dry product b at a temperature of 150° C. to obtain product c;
[0046] D, the c product and the glue are 4:1 by weight, heated and stirred, and mixed uniformly to obtain the d product; the glue is made of the following raw materials in the weight component ratio; 22 parts of phenolic resin glue, 18 parts of resorcinol 5 parts of vinyl acetate, 10 parts of ethyl acetate, 11 parts of emulsifier, 12 parts of anti-aging agent, 7 parts of softening oil and 9 parts of flame retardant;
[0047] E. Pour the product d into the mold, lay it flat, and hot press molding. The temperature of hot pressing molding is 100°C to get the finished product.
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