Multifunctional carpentery stuffing and its compounding process
A multi-functional, wood-based technology, applied in the field of adhesive fillers, can solve the problems of shortened pre-pressing time, single flour function, lower free formaldehyde content, etc., achieves improved cold adhesion fastness, improved finished product indicators, and is easy to popularize applied effect
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[0035] Example 1:
[0036] Formula ratio: A material 72; B material 20; C material is preferably carboxymethyl cellulose 4; D material 1; E material 2; F material is preferably oxalic acid 1. Take the production of 1000kg of filler as an example, and the implementation is as follows:
[0037] 1. Material A is de-sanded, dried, and finely ground to 200 mesh, and weigh 720kg for use;
[0038] 2. Material B is passed through a sieving machine to obtain fine powder above 80 mesh, and weigh 200kg fine powder for later use.
[0039] 3. Feed A, B and other ingredients in the formula: 40kg of carboxymethyl cellulose, 10kg of melamine, 20kg of urea, 10kg of oxalic acid, and transport them to a high-speed rotary non-gravity mixer, and then shear and stir them by a high-speed mixer. About 20-30 minutes to mix well.
[0040] 4. The mixed materials are stored naturally for 3-7 days, and the finished products are basically stable.
[0041] 5. The above formulas are all powder materials, and the...
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[0042] Example 2:
[0043] Formula ratio: A material 70; B material 20; C material preferably carboxymethyl cellulose 2; D material 1.5; E material 2; F material preferably oxalic acid 3; G material preferably sodium carbonate: 1.5. Take the production of 1000kg of filler as an example, and the implementation is as follows:
[0044] 1. Take 700kg of A material and 15kg of G material and mix, grind for about 30 minutes, store it naturally for more than 3 days, fully carry out sodium modification, and then dry and grind it to make modified A material with a fineness of 120 mesh or more .
[0045] 2. Material B is passed through a sieving machine to obtain fine powder of 80 mesh or more, and weigh 200 kg of fine powder for use.
[0046] 3. The modified material A, material B and other materials in the formula: 20 kg of sodium carboxymethyl cellulose, 15 kg of melamine, 20 kg of urea, and 30 kg of oxalic acid are transported to the high-speed rotary non-gravity mixer and cut by the hi...
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