Adhesive and preparation method thereof as well as application of adhesive in vegetable fiberboard or artificial board
A technology of adhesives and mixtures, applied in the direction of adhesives, adhesive additives, inorganic adhesives, etc., can solve the problems of restricting the development of plant fiber boards, high cost of board bonding, and large energy consumption in the forming stage, etc., to achieve dimensional stability, Easy to prepare and ensure the effect of environmental performance
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[0038] A kind of adhesive, it is formulated by the component of following mass parts:
[0039] Sodium silicate aqueous solution: 50-60 parts; the modulus of the solute sodium silicate in the sodium silicate aqueous solution is 2.8-3.2;
[0040] Brine: 10 to 20 parts; brine is a mixed solution of magnesium chloride and magnesium sulfate, and the mass ratio of magnesium chloride and magnesium sulfate in the brine is 3:1, and the total mass concentration of magnesium chloride and magnesium sulfate in the brine is 8%; magnesium chloride generally uses six Water Magnesium chloride hydrate, and magnesium sulfate choose MgSO 4 Magnesium sulfate heptahydrate with content >97%;
[0041] Nano-silica: 20-30 parts; the purity of nano-silica is greater than 99.99%, and the moisture content is less than 0.01%;
[0042] Filler: 6-8 parts; the filler is a mixture formed by mixing copper oxide, magnesium oxide and aluminum oxide at a mass ratio of 2:1:1; magnesium oxide is 85% lightly burned...
Embodiment 1
[0055] A kind of adhesive of the present invention, it is formulated by the component of following mass fraction:
[0056] Sodium silicate aqueous solution: 50g; the modulus of the solute sodium silicate in the sodium silicate aqueous solution is 2.8;
[0057] Brine: 10g; brine is a mixed solution of magnesium chloride and magnesium sulfate, and the molar ratio of magnesium chloride and magnesium sulfate in the brine is 3:1, and the total mass concentration of magnesium chloride and magnesium sulfate in the brine is 8%; magnesium chloride is magnesium chloride hydrate hexahydrate , while magnesium sulfate chooses MgSO 4 Magnesium sulfate heptahydrate with content >97%;
[0058] Nano silicon dioxide: 20g; the purity of nano silicon dioxide is greater than 99.99%, and the moisture content is less than 0.01%;
[0059] Filler: 6g; filler is a mixture formed by mixing copper oxide, magnesium oxide and aluminum oxide at a mass ratio of 3:1:1; magnesium oxide is 85% lightly burned ...
Embodiment 2
[0071] A kind of adhesive of the present invention, it is formulated by the component of following mass fraction:
[0072] Sodium silicate aqueous solution: 55g; the modulus of the solute sodium silicate in the sodium silicate aqueous solution is 3.0;
[0073] Brine: 15g; the brine is a mixed solution of magnesium chloride and magnesium sulfate, and the molar ratio of magnesium chloride and magnesium sulfate in the brine is 3:1, and the total mass concentration of magnesium chloride and magnesium sulfate in the brine is 8%; magnesium chloride is magnesium chloride hydrate hexahydrate , while magnesium sulfate chooses MgSO 4 Magnesium sulfate heptahydrate with content >97%;
[0074] Nano silica: 25g; the purity of nano silica is greater than 99.99%, and the moisture content is less than 0.01%;
[0075] Filler: 7g; filler is a mixture formed by mixing copper oxide, magnesium oxide and aluminum oxide at a mass ratio of 2:1:1; magnesium oxide is 85% lightly burned magnesium oxid...
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