Multifunctional aqueous adhesive and preparation method thereof
An adhesive and multi-purpose technology, applied in adhesives, natural rubber adhesives, monocarboxylate copolymer adhesives, etc., can solve the problems of water-based adhesives that cannot be popularized in large quantities, harmful solvents, flammable and explosive properties, etc. , to avoid the chance of poisoning and occupational diseases, the production process is simple, and the effect of wide application range
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Embodiment 1
[0029] Put 10 parts of 120# solvent naphtha, 20 parts of toluene, and 3 isopropanol into the reaction kettle, add 10 parts of Yueyang Petrochemical SBS792 thermoplastic rubber, and add 30 parts of DA-103H emulsion. Stir and add 25 parts of rosin, 5 parts of Malayan rosin, 2 parts of K-12 additives, stir to dissolve, add 5 parts of deionized water to adjust the viscosity, cool, filter, and pack the material.
Embodiment 2
[0031] Add 25 parts of carboxylated styrene-butadiene modified emulsion, 2 parts of toluene, 0.5 parts of isopropanol, 35 parts of VAE705 emulsion, 60 parts of tackifying resin emulsion required by the present invention, 0.5 parts of DF-681 additive, and high-speed stirring. , Add 1 part of soft water to adjust the viscosity, cool and filter the package to discharge. The preparation method and process of the tackifying resin emulsion are as follows: put the rosin and the tackifying resin into the reactor, evacuate and fill with nitrogen, raise the temperature to be fully melted at a high temperature of 150°C, and adjust the stirring speed to slow during the process. Adjust to high-speed stirring, slowly add the pre-heated surfactant, then slowly drop the pre-heated water until the O / W (oil-in-water) phase inversion point, reduce the stirring speed to cool, filter and pack for later use .
[0032] Test items
[0033] Viscosity
[0034] It can be seen that both the above-men...
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