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A stretch-resistant degradable plastic and its preparation method

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

Inactive Publication Date: 2018-11-06
SOUTH CHINA REBORN RESOURCES ZHONGSHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]However, for most plastic products, their tensile properties are not good, and they are often easily damaged by external forces
At the same time, since the main component of plastic is a high polymer that is difficult to degrade, it is easy to cause "white pollution" in the environment after being discarded, which will have a non-negligible negative impact on the ecological environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

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, hyal...

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 stear...

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, zinc ...

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PUM

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Abstract

The invention discloses a stretch-proof biodegradable plastic. The plastic is prepared from the following raw materials in parts by weight: 15-20 parts of acrylic resin, 30-40 parts of canna starch, 25-30 parts of bran powder, 55-65 parts of polytetrafluoroethylene, 20-25 parts of polytetramethylene ether glycol, 10-15 parts of dimethoxymethane, 10-15 parts of hexadienoic acid, 5-10 parts of zinc stearate, 5-8 parts of hyaluronic acid, 2-4 parts of triethanolamine, 1-2 parts of plasticizer and 1-3 parts of antioxidant. The plastic product prepared by the method has excellent stretching performance and can be easily degraded. Furthermore, the invention further discloses a corresponding preparation method.

Description

technical field [0001] The invention relates to the technical field of synthetic plastics, in particular to a stretch-resistant degradable plastic and a preparation method thereof. Background technique [0002] Plastic is a polymer compound made of monomer as raw material through addition polymerization or polycondensation reaction. It can freely change its composition and shape. It is usually composed of synthetic resins and fillers, plasticizers, stabilizers, lubricants, and pigments. and other additives. Plastic has many advantages, such as strong plasticity, good durability, light weight, etc., and is widely used in industrial production and daily life. [0003] However, for most plastic products, their tensile properties are not good, and they are often easily damaged under the action of external force. At the same time, since the main component of plastic is a high polymer that is difficult to degrade, it is easy to cause "white pollution" in the environment after be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/18C08L3/02C08L33/00C08L5/08C08L71/00C08K13/02C08K5/098C08K5/12C08K5/17C08K5/18C08K5/11
CPCC08L27/18C08L2201/06C08L2205/025C08L2205/035C08L3/02C08L33/00C08L5/08C08L71/00C08K13/02C08K5/098C08K5/12C08K5/17C08K3/30C08K5/18C08K5/11C08K5/526C08K5/1515
Inventor 孙政良
Owner SOUTH CHINA REBORN RESOURCES ZHONGSHAN
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