Water transfer printing process and application of water transfer printing process to concrete products
A technology of concrete products and water transfer printing, which is applied in the post-processing of printing, ink transfer from original manuscripts, printing, etc. It can solve the problems of detachment and cracking of transfer patterns, difficulty in showing transfer printing effects, poor adhesion, etc., and achieve extension The effect of improving the transfer life, improving the transfer success rate and extending the service life
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Embodiment 1
[0032] A water transfer printing process, comprising the following steps:
[0033] S11. Perform grinding, rinsing and drying operations on the surface of irregular products in sequence;
[0034] S12. Corona discharge treatment is performed on the irregular product processed in step S11;
[0035] S13. Spray primer on the surface of the irregular product after corona treatment, let it stand for curing, and then place it at 40°C for standby use. The primer is epoxy unsaturated polyester primer;
[0036] S2. Soak the water transfer coating film in water with pH=6.5 and the water temperature at 25°C for 40 seconds, spray the activator, and maintain the air humidity at 55% during the water transfer process;
[0037] S3. Immerse the irregular product processed in step S1 into the water with the water transfer coating film in step S2, so that the graphic layer is transferred on the irregular product;
[0038] S4. Take out the irregular product after transfer in step S3 from the wate...
Embodiment 2
[0043] An application of a water transfer printing process on concrete products, the irregular product involved is a concrete product, which can be one of isolation piers, barricade balls, and concrete decorative panels, that is, the above water transfer printing process is applied to concrete products. The irregular product of the embodiment is a round barricade ball, which is prepared by a water transfer printing process into a barricade ball with a beautiful pattern transferred, which increases the aesthetics of the city.
Embodiment 3
[0045] A water transfer printing process, comprising the following steps:
[0046] S11. Perform grinding, rinsing and drying operations on the surface of irregular products in sequence;
[0047] S12. Corona discharge treatment is performed on the irregular product processed in step S11;
[0048] S13. Spray primer on the surface of the irregular product after corona treatment, let it stand for curing, and then place it in a 41°C environment for standby use. The primer is epoxy unsaturated polyester primer;
[0049] S2. Soak the water transfer coating film in water with pH=6.6 and the water temperature at 27°C for 45 seconds, spray the activator, and maintain the air humidity at 53% during the water transfer process;
[0050] S3. Immerse the irregular product processed in step S1 into the water with the water transfer coating film in step S2, so that the graphic layer is transferred on the irregular product;
[0051] S4. Take out the irregular product after transfer in step S3 f...
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