Technology for processing rainbow multi-color film sheet
A processing technology and film technology, which is applied in the processing technology field of rainbow magic color film sheet, can solve the problems of poor adhesion fastness, low magic color effect, poor appearance transparency, etc., and achieve high adhesion fastness and gorgeous appearance , The effect of reducing VOC emissions
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Embodiment 1
[0024] 1. Dehumidification and drying of materials: First, the polyester or polyether TPU raw materials are dried on a dehumidifier, the temperature is set to 80 °C, and the time is 6 hours.
[0025] 2. Mixing of TPU materials: Blend the dried polyester or polyether TPU raw materials, tackifying resin masterbatch, anti-UV agent masterbatch, and antistatic masterbatch. Use a high-speed mixer to mix the above components uniformly in a predetermined proportion.
[0026] Its specific formula is: 85 parts by weight of polyester or polyether TPU raw material with a hardness of 95A, 5 parts by weight of tackifying resin Eastman Resin2336 masterbatch, 7 parts by weight of anti-UV agent particle E-1036 masterbatch, and antistatic E-1016 masterbatch 3 parts by weight
[0027] 3. Processing of TPU casting film casting: the above-mentioned TPU mixture material is made into a casting film through casting equipment.
[0028] Heating and mixing are carried out in the three sections of the ...
Embodiment 2
[0037] 1. Dehumidification and drying of materials: First, the polyester or polyether TPU raw materials are dried on a dehumidifier, the temperature is set to 90 °C, and the time is 4 hours.
[0038] 2. Mixing of TPU materials: 87% polyester or polyether TPU particles with a hardness of 90A after drying; 4% masterbatch of tackifying resin Eastman Resin 2336; 3% masterbatch of transparent lubricant; anti-UV masterbatch E -10366% blend. Use a high-speed mixer to mix the above components uniformly in a predetermined proportion.
[0039] 3. Processing of TPU casting film casting: the above-mentioned TPU mixture material is made into a casting film through casting equipment.
[0040] Heating and mixing are carried out in the three sections of the screw:
[0041] The temperature of the first feeding section is set to: 175°C;
[0042] The temperature of the second compression section is set to: 185°C;
[0043] The temperature of the discharge section of the third stage is set to:...
Embodiment 3
[0049] 1. Dehumidification and drying of materials: First, the polyester or polyether TPU raw materials are dried on a dehumidifier, the temperature is set to 90 °C, and the time is 5 hours.
[0050] 2. Mixing of TPU materials: 80% of polyester or polyether TPU particles with a hardness of 88A after drying; 3% of Eastman Resin2336 masterbatch of tackifying resin; 2% of transparent lubricant masterbatch; flame retardant HY-203 Masterbatch 10%; antistatic E-1016 masterbatch 5% blending. Use a high-speed mixer to mix the above components uniformly in a predetermined proportion.
[0051] 3. Processing of TPU casting film casting: the above-mentioned TPU mixture material is made into a casting film through casting equipment.
[0052] Heating and mixing are carried out in the three sections of the screw:
[0053] The temperature of the first feeding section is set to: 175°C;
[0054] The temperature of the second compression section is set to: 180°C;
[0055] The temperature of ...
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