Preparation method of ultra-light anti-adhesion release film
A release film and anti-adhesion technology, which is applied in papermaking, coating, paper coating, etc., can solve the problems of being unable to meet customers' requirements for ultra-light release film, failing to meet ultra-light requirements, and film surface sticking, etc. Achieve pressure balance, improve drying efficiency, and smooth the film surface
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Embodiment 1
[0033] Step 1. The first coating process
[0034] 1. Coating configuration: Mix 3 parts of D120 solvent oil, 3 parts of D30 solvent oil, 4 parts of butanone and 1 part of isopropanol as solvent, add 1 part of 7458 silicone oil main agent, 0.1 part of 7672 crosslinking agent, 297 anchoring agent 0.02 parts and 0.05 parts of 4000 catalysts, stirred at 1200 rpm for 30 minutes, filtered through a 200-mesh filter, and used within 3 hours;
[0035] 2. Original film treatment: the corona value is greater than 50 during corona treatment, and the gap between any two points is guaranteed not to exceed 5; thereby enhancing the adhesion of the film surface; dust removal treatment uses a double-sided dust removal device to effectively reduce the original film Floating dust on the surface greatly improves the cleanliness of the product;
[0036] 3. Precise coating: apply the configured coating on the surface of the original film through the coating machine, the coating method is reverse co...
Embodiment 2
[0048] Step 1, the first coating process
[0049] 1. Coating configuration: Mix 4 parts of D120 solvent oil, 4 parts of D30 solvent oil, 5 parts of butanone and 1.5 parts of isopropanol as solvent, add 1.2 parts of 7458 silicone oil main agent, 0.2 parts of 7672 crosslinking agent, 297 anchoring agent 0.03 parts and 0.06 parts of 4000 catalysts, stirred at 1300 rpm for 40 minutes, filtered through a 230-mesh filter, and used within 3.5 hours;
[0050] 2. Original film treatment: the corona value is greater than 50 during corona treatment, and the gap between any two points is guaranteed not to exceed 5; thereby enhancing the adhesion of the film surface; dust removal treatment uses a double-sided dust removal device to effectively reduce the original film Floating dust on the surface greatly improves the cleanliness of the product;
[0051] 3. Precise coating: apply the configured coating on the surface of the original film through the coating machine, the coating method is r...
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