Preparation method of waterborne adhesive for waterproof corrugated filter material
A technology of water-based adhesives and polyurethane adhesives, which is applied in the direction of adhesive types, ester copolymer adhesives, non-polymer adhesive additives, etc., can solve the problems of high shear strength, production process bottlenecks, filtration The problems such as mutual adhesion between materials can be solved, and the effect of enhancing water resistance, improving production efficiency and high bonding strength can be achieved.
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Embodiment 1
[0022] A method for preparing a waterproof corrugated filter material with a water-based adhesive, which consists of the following components in mass percentage: 60% water, 10% polyacrylate, 10% polyurethane adhesive, 10% silica powder, and 5% plasticizer %, thickener 5%.
[0023] This embodiment includes the following steps:
[0024] Step 1: Using deionized water as the dispersion medium, the surfactant composed of polar hydrophilic group and non-polar lipophilic group is mixed with polyacrylate, adding initiator and buffer to emulsify to make polyacrylate Lotion;
[0025] Step 2: Add polyurethane adhesive to the polypropionate emulsion and stir fully to make the polyacrylate emulsion fully react with the polyurethane adhesive to form a uniform liquid;
[0026] Step 3: Add silica powder to the above homogeneous liquid. Silica powder has a porous structure. With sufficient stirring, the viscosity of the liquid increases without deposition of silica powder;
[0027] Step 4: ...
Embodiment 2
[0029] A preparation method of water-based adhesive for waterproof corrugated filter material, which is composed of the following components in mass percentage: 63% of water, 13% of polyacrylate, 8% of polyurethane adhesive, 8% of silica powder, and 4% of plasticizer %, thickener 4%.
[0030] This embodiment includes the following steps:
[0031] Step 1: Using deionized water as the dispersion medium, the surfactant composed of polar hydrophilic group and non-polar lipophilic group is mixed with polyacrylate, adding initiator and buffer to emulsify to make polyacrylate Lotion;
[0032] Step 2: Add polyurethane adhesive to the polypropionate emulsion and stir fully to make the polyacrylate emulsion fully react with the polyurethane adhesive to form a uniform liquid;
[0033] Step 3: Add silica powder to the above homogeneous liquid. Silica powder has a porous structure. With sufficient stirring, the viscosity of the liquid increases without deposition of silica powder;
[00...
Embodiment 3
[0037] A method for preparing a water-based adhesive for a waterproof corrugated filter material, which consists of the following components in mass percentage: 65% water, 15% polyacrylate, 6% polyurethane adhesive, 6% silica powder, and 4% plasticizer %, thickener 4%.
[0038] This embodiment includes the following steps:
[0039] Step 1: Using deionized water as the dispersion medium, the surfactant composed of polar hydrophilic group and non-polar lipophilic group is mixed with polyacrylate, adding initiator and buffer to emulsify to make polyacrylate Lotion;
[0040] Step 2: Add polyurethane adhesive to the polypropionate emulsion and stir fully to make the polyacrylate emulsion fully react with the polyurethane adhesive to form a uniform liquid;
[0041] Step 3: Add silica powder to the above homogeneous liquid. Silica powder has a porous structure. With sufficient stirring, the viscosity of the liquid increases without deposition of silica powder;
[0042] Step 4: Add...
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