Polychloroethylene antifog non-drop greenhouse film
A technology of polyvinyl chloride and polyvinyl chloride resin, which is applied in the field of transparent covering materials, can solve the problems of unsatisfactory anti-fog effect, limited promotion and application, and increased cost, so as to be beneficial to photosynthesis, increase light intensity, and improve shed warm effect
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Embodiment 1
[0042] Table 1
[0043] raw material name
Raw material weight: kg
pvc
100.00
DOP
42.00
DOA
5.00
3.00
Barium cadmium zinc composite stabilizer
2.80
UV-9
0.60
0.80
0.60
SiO 2
0.40
Silicone anti-fog agent
0.85
Compound No Drops
3.50
Phthalocyanine blue BGS
0.01
[0044] 1. Preparation of compound no-drops:
[0045] (1), Sorbitan Sesquiester Stearate
[0046] Put 600kg of stearic acid, 400kg of sorbitol (100% purity) and 15kg of caustic soda into the reaction kettle, continue to heat and stir for esterification after the materials are melted, keep the vacuum degree below -0.5MPa, and keep the reaction temperature at 210-220℃ In the range of ℃, the reaction time is generally about 9 hours. Measure acid value 8mg KOH / g, have added 20kg sulfuric acid (...
Embodiment 2
[0060] Form 2
[0061] raw material name
Raw material weight: kg
pvc
100.00
DOP
40.00
DOA
8.00
3.00
Barium cadmium zinc composite stabilizer
3.50
UV-531
0.60
CA
0.40
1.20
SiO 2
1.00
Silicone anti-fog agent
0.50
Compound No Drops
3.00
Permanent Violet RL
0.02
[0062] 1. Preparation of compound no-drops:
[0063] The preparation method is the same as that in Example 1, and the compound non-drop preparation is ready for use.
[0064] Two, the preparation of the product of the present invention uses the formula raw material in above-mentioned form 2, at first SG3 type PVC resin is 60 orders through screening process vibrating screen screening vibrating screen; In grinding process DOP, DOA, epoxy soybean oil, UV-531, CA, phosphite, and white carbon black are gro...
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