Antioxidative plastic woven bag and preparation method thereof
A technology of anti-oxidation plastics and woven bags, applied in the field of plastic woven bags, can solve the problems of carbon nanotubes with large aspect ratio and specific surface area, unable to show excellent performance, and prone to agglomeration, etc., to achieve wide environmental adaptability, oxidation The effect of long induction time, improving high temperature resistance and shrinkage resistance
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Embodiment 1
[0053] Embodiment 1 raw material preparation
[0054] 1. Preparation of calcium fruit fiber:
[0055] The preparation method of the said calcium fruit fiber comprises the following steps: uniformly mixing fresh calcium fruit stems, calcium fruit leaves and waste sawdust according to the mass ratio of 5:4:1.5, placing them in an ultrasonic cleaning machine at 200W and 30KHz for cleaning for 4 minutes, draining Drying, crushing, adding water with 1 times the amount of the crushed material, ultrasonic extraction at room temperature 300W, 40KHz for 12min, and then performing high-voltage pulse electric field treatment for 12min under the conditions of electric field strength 30kV / cm, pulse time 500μs, and pulse frequency 300Hz; adjust the pH value 8. Add biological enzyme with 0.2% mass of the mixture, and enzymatically hydrolyze at 55°C for 12 minutes; the enzymolyzed solution is concentrated under reduced pressure to a solid content of 50%, and placed in a microwave dryer at 200...
Embodiment 2
[0072] An anti-oxidation plastic woven bag is mainly prepared from the following raw materials in parts by weight:
[0073] 100 parts of polypropylene, 14 parts of calcium fruit fiber, 11 parts of linear low density polyethylene, 6 parts of polyoxymethylene, 4 parts of polyethylene / winter rye peptide complex, 3 parts of modified nano-carbon, 2 parts of ultraviolet absorber , 2 parts of ethylene-methyl acrylate copolymer, 1 part of antiaging agent, 1 part of tributyl citrate, 1 part of coupling agent, 0.8 part of polyethylene wax, 0.4 part of bitter almond oil, 0.4 part of composite antioxidant;
[0074] Described composite antioxidant is formed by uniformly mixing antioxidant 1010, antioxidant 168, bitter almond oil in a mass ratio of 2:1.5:0.5;
[0075] The ultraviolet absorber is UV-531;
[0076] The ethylene-methyl acrylate copolymer is preferably US DuPont EMA1125AC.
[0077] The preparation method includes the following steps: First, accurately weigh each raw material a...
Embodiment 3
[0083] An anti-oxidation plastic woven bag is mainly prepared from the following raw materials in parts by weight:
[0084] 100 parts of polypropylene, 12 parts of calcium fruit fiber, 10 parts of linear low density polyethylene, 5 parts of polyoxymethylene, 3 parts of polyethylene / winter rye peptide complex, 2 parts of modified nano-carbon, 1 part of ultraviolet absorber , 1.5 parts of ethylene-methyl acrylate copolymer, 0.8 part of antiaging agent, 0.8 part of tributyl citrate, 0.8 part of coupling agent, 0.6 part of polyethylene wax, 0.3 part of bitter almond oil, 0.3 part of composite antioxidant;
[0085] Described composite antioxidant is that antioxidant 1010, antioxidant 168, bitter almond oil are uniformly mixed by mass ratio 1:1:0.2;
[0086] The ultraviolet absorber is UV-531;
[0087] The ethylene-methyl acrylate copolymer is preferably US DuPont EMA1125AC.
[0088] The preparation method includes the following steps: First, accurately weigh each raw material acc...
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