Water-based mold release agent for thermoprinting and preparation method thereof
A water-based release and active agent technology, used in coatings, wax coatings, etc., can solve the problems of incomplete melting after reheating, failure to meet inspection standards, low volatility of organic solvents, low cost, fast drying speed, Simple preparation method
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Embodiment 1
[0020] Paraffin 20 parts
[0021] Polysorbate with Tween 80 3.5 parts
[0022] Span 80 fatty acid sorbitan 3.5 parts
[0023] 1 part stearic acid
[0024] 55 parts of deionized water
[0025] Sodium carboxymethyl cellulose 0.3 parts
[0026] The preparation method step of the hot stamping water-based release agent of above-mentioned formula is:
[0027] Mix 20 parts by mass of paraffin, 3.5 parts of polysorbate of Tween 80, 3.5 parts of Span 80 and 1 part of stearic acid into the reaction vessel, turn on the equipment and heat to 75°C, let the paraffin In a molten state, then start stirring to fully mix the paraffin wax and the compound non-ionic surfactant. At this time, control the stirring speed to 500~600 rpm;
[0028] Add a certain amount of deionized water that has been heated to the same temperature and stir. At this time, the stirring speed is controlled at 1000~1200 rpm, and the temperature is maintained at 80°C. After reacting for 20~30 minutes, add 0.3 parts by...
Embodiment 2
[0031] Paraffin 30 parts
[0032] Polysorbate with Tween 60 5 parts
[0033] Span 60 fatty acid sorbitan 5 servings
[0034] 1 part stearic acid
[0035] 70 parts of deionized water
[0036] Sodium carboxymethyl cellulose 0.7 parts
[0037] The preparation method step of the hot stamping water-based release agent of above-mentioned formula is:
[0038] The mass parts are respectively 30 parts of paraffin wax, 5 parts of Tween 60 polysorbate, 5 parts of Span 60 fatty acid sorbitan and 1 part of stearic acid are mixed into the reaction vessel, and the equipment is turned on and heated to 75 ℃, let the paraffin wax be in a molten state, then start stirring, so that the paraffin wax and the compound nonionic surfactant are fully mixed evenly, and the stirring speed is controlled at 500~600 rpm;
[0039] Add a certain amount of deionized water that has been heated to the same temperature and stir. At this time, the stirring speed is controlled at 1000~1200 rpm, and the tempera...
Embodiment 3
[0042] Microcrystalline wax 20 parts
[0043] Polysorbate with Tween 80 3.5 parts
[0044] Span 80 fatty acid sorbitan 3.5 parts
[0045] 1 part stearic acid
[0046] 60 parts deionized water
[0047] Sodium carboxymethyl cellulose 0.3 parts
[0048] The preparation method step of the hot stamping water-based release agent of above-mentioned formula is:
[0049] Mix 20 parts by mass of microcrystalline wax, 3.5 parts of polysorbate of Tween 80, 3.5 parts of Span 80 and 1 part of stearic acid into a reaction vessel, turn on the equipment and heat to 85°C, Let the microcrystalline wax be in a molten state, then start stirring to fully mix the microcrystalline wax and the compound nonionic surfactant, and control the stirring speed at 500~600 rpm;
[0050] Add a certain amount of deionized water that has been heated to the same temperature and stir. At this time, control the stirring speed at 1000~1200 rpm, maintain the temperature at 90°C, and react for 20~30 minutes. Add 0...
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