Stretch-proof biodegradable plastic and preparation method thereof
A technology that degrades plastics and is resistant to stretching, applied in the field of synthetic plastics, can solve the problems of negative impact on the ecological environment, poor tensile properties, white pollution, etc., and achieves the effects of easy degradation, suitable for large-scale industrial application, and cheap raw materials
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Embodiment 1
[0021] (1) Weigh 15 parts of acrylic resin, 30 parts of plantain starch, 25 parts of bran powder, 55 parts of polytetrafluoroethylene, 20 parts of polytetramethylene ether glycol, and 10 parts of dimethoxymethane in parts by weight , 10 parts of hexadienoic acid, 5 parts of zinc stearate, 5 parts of hyaluronic acid, 2 parts of triethanolamine, 1 part of dimethyl phthalate, 1 part of sodium pyrosulfite;
[0022] (2) Mix acrylic resin, canna starch, bran powder, and polytetrafluoroethylene, add an equal mass of phosphoric acid solution with a concentration of 0.5%, and ultrasonically shake for 25 minutes. The ultrasonic power is 120W, and the ultrasonic temperature is 40°C. Then add 8% NaHCO 3 Adjust the pH of the solution to 9.5, then add polytetramethylene ether glycol, and stir for 20 minutes;
[0023] (3) Dry the stirred mixture in an oven, grind it with an ultrafine pulverizer to obtain a modified powder, and then add dimethoxymethane, hexadienoic acid, zinc stearate, h...
Embodiment 2
[0027] (1) Weigh 20 parts of acrylic resin, 40 parts of plantain starch, 30 parts of bran powder, 65 parts of polytetrafluoroethylene, 25 parts of polytetramethylene ether glycol, and 15 parts of dimethoxymethane in parts by weight , 15 parts of hexadienoic acid, 10 parts of zinc stearate, 8 parts of hyaluronic acid, 4 parts of triethanolamine, 2 parts of trioctyl citrate, and 3 parts of p-phenylenediamine;
[0028] (2) Mix acrylic resin, canna starch, bran powder, and polytetrafluoroethylene, add an equal mass of phosphoric acid solution with a concentration of 0.5%, and ultrasonically oscillate for 30 minutes. The ultrasonic power is 120W, and the ultrasonic temperature is 40°C. Then add 8% NaHCO 3 Adjust the pH of the solution to 9.5, then add polytetramethylene ether glycol, and stir for 20 minutes;
[0029] (3) Dry the stirred mixture in an oven, grind it with an ultrafine pulverizer to obtain a modified powder, and then add dimethoxymethane, hexadienoic acid, zinc st...
Embodiment 3
[0033] (1) Weigh 18 parts of acrylic resin, 35 parts of plantain starch, 28 parts of bran powder, 60 parts of polytetrafluoroethylene, 23 parts of polytetramethylene ether glycol, and 13 parts of dimethoxymethane in parts by weight , 13 parts of hexadienoic acid, 8 parts of zinc stearate, 7 parts of hyaluronic acid, 3 parts of triethanolamine, 2 parts of methyl epoxyacetyl linoleate, 1 part of triphenyl phosphite;
[0034] (2) Mix acrylic resin, canna starch, bran powder, and polytetrafluoroethylene, add an equal mass of phosphoric acid solution with a concentration of 0.5%, and ultrasonically vibrate for 28 minutes. The ultrasonic power is 120W, and the ultrasonic temperature is 40°C. Then add 8% NaHCO 3 Adjust the pH of the solution to 9.5, then add polytetramethylene ether glycol, and stir for 20 minutes;
[0035] (3) Dry the stirred mixture in an oven, grind it with an ultrafine pulverizer to obtain a modified powder, and then add dimethoxymethane, hexadienoic acid, zi...
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