Film material for greenhouse and preparation method of film material
A technology of film materials and greenhouses, which is applied in the field of film materials for greenhouses and its preparation, can solve the problems affecting the growth of plants or vegetables in greenhouses, deformation and water evaporation, and low physical properties, achieving high tear strength, Prevents water loss, improves performance and quality
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[0043] Example 1
[0044] (1) Start the high-speed mixer, add 62 parts of PE, 30 parts of PVC, 10 parts of polyethylene glycol diacrylate, 2 parts of methyl triacetoxysilane, and trimethyl methacrylate to the high-speed mixer by weight. 6 parts of silyloxysilicate, 9 parts of poly-1,4-butanediol adipate, 1 part of polyglycerol ricinoleate, 2 parts of triethyl citrate, add the above materials and mix at high speed (2) Use twin-screw extruding and extruding and granulating the mixed material after mixing uniformly. The extruding temperature of twin-screw extruder is: the temperature of the first stage is 169℃, and the temperature of the second stage is 174℃, the temperature of the third stage is 193℃, the temperature of the fourth stage is 202℃, the length to diameter ratio of the twin-screw extruder is 30:1, the mixture is cut into pellets after twin-screw extrusion; (3) blown film is used again The machine plasticizes the material in step (2) and extrudes. After plasticization, ...
Example Embodiment
[0045] Example 2
[0046] (1) Start the high-speed mixer, add 36 parts of PE, 55 parts of PVC, 4 parts of polyethylene glycol diacrylate, 6 parts of methyl triacetoxysilane, and trimethyl methacrylate to the high-speed mixer by weight. 2 parts of silyloxysilicate, 3 parts of poly-1,4-butanediol adipate, 4 parts of polyglycerol ricinol ester, 0.5 part of triethyl citrate, add the above materials and mix at high speed (2) Use twin-screw extruding and extruding and granulating the mixed material after mixing uniformly. The extruding temperature of twin-screw extruder is: the temperature of the first stage is 163℃, and the temperature of the second stage is 182℃, the temperature of the third stage is 188℃, the temperature of the fourth stage is 195℃, the length to diameter ratio of the twin-screw extruder is 20:1, the mixture is cut into pellets after twin-screw extrusion; (3) blown film is used again The machine plasticizes the material in step (2) and then extrudes. After plastici...
Example Embodiment
[0047] Example 3
[0048] (1) Start the high-speed mixer, add 56 parts of PE, 50 parts of PVC, 5 parts of polyethylene glycol diacrylate, 5 parts of methyltriacetoxysilane, and trimethyl methacrylate to the high-speed mixer by weight. 3 parts of silyloxysilicate, 4 parts of poly-1,4-butanediol adipate, 3 parts of polyglycerol ricinoleate, 1.6 parts of triethyl citrate, and high-speed mixing after adding the above materials (2) Use twin-screw extruding and extruding and granulating the mixed material after mixing uniformly. The extrusion temperature of the twin-screw extruder is: the temperature of the first stage is 169℃, and the temperature of the second stage is 174℃, the temperature of the third stage is 193℃, the temperature of the fourth stage is 202℃, the ratio of length to diameter of the twin-screw extruder is 30:1, the mixture is cut into pellets after twin-screw extrusion; (3) blown film is used again The machine plasticizes the material in step (2) and then extrudes. ...
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