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Degradable plastic rope

A technology for biodegrading plastics and plastics, applied in the field of plastics, can solve problems such as threats to the living environment of human beings and environmental pollution, and achieve the effects of low energy consumption, reduction of plastic pollution, and small investment in equipment

Inactive Publication Date: 2020-08-04
界首市宏利塑料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, discarded plastic products form a large amount of garbage, causing serious environmental pollution problems and threatening the living environment of human beings; therefore, the development of degradable plastics is of great significance to environmental pollution

Method used

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  • Degradable plastic rope
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  • Degradable plastic rope

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The preparation method of anti-aging agent is:

[0023] Weigh 2.5mol 4-hydroxybenzamidine hydrochloride, 40mmol alkali catalyst sodium tert-butoxide and 3L solvent tert-amyl alcohol and add them to the reactor, feed nitrogen into the reactor for 15 minutes to replace the air in the reactor, and heat up to 110°C, then add 1 mol of 2-hydroxy-3-methyl-benzaldehyde into the reaction kettle, after the addition is complete, continue to keep warm and stir for 5 hours, cool to room temperature naturally, remove the solvent by rotary evaporation, and separate by column chromatography. The chromatographic liquid used in the chromatography is petroleum ether:ethyl acetate=10:1.5; promptly obtains the anti-aging agent of formula B structure;

[0024]

[0025] Detected by GC-MS: anti-aging agent A (C 22 h 17 N 3 o 3 ) has a molecular weight of 371.391.

Embodiment 2

[0027] A degradable plastic rope, comprising the following raw materials in parts by weight: 60g polypropylene, 110g starch-based biodegradable plastic masterbatch, 2g degradation aid, 15g filler, 7g anti-aging agent, 2g plasticizer;

[0028] Described pro-degradant is corn oil;

[0029] Described filler is calcium carbonate;

[0030] The plasticizer is oxidized polyethylene.

Embodiment 3

[0032] A degradable plastic rope, comprising the following raw materials in parts by weight: 50g polypropylene, 130g starch-based biodegradable plastic masterbatch, 3g degradation aid, 20g filler, 9g anti-aging agent, 4g plasticizer;

[0033] Described pro-degradant is sunflower oil;

[0034] Described filler is calcium carbonate;

[0035] The plasticizer is liquid paraffin.

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Abstract

The invention discloses a degradable plastic rope. The degradable plastic rope is prepared from the following raw materials in parts by weight: 50 to 70 parts of polypropylene, 100 to 130 parts of a starch-based biodegradable plastic master batch, 1.5 to 3 parts of a degradation aid, 15 to 20 parts of a filler, 6 to 9 parts of an anti-aging agent and 2 to 4 parts of a plasticizer. The requirementsof formula components on processing equipment are not high, only one high-speed mixer is needed to uniformly stir various materials in the mixing process, the materials can be mixed on a domestic mechatronics twin-screw extruder through special combination and improvement of kneading blocks, the equipment investment is relatively small, and the energy consumption is relatively low; in the formula, the starch-based biodegradable plastic master batch is used as a matrix, and the degradation aid is used as an auxiliary material, so that the degradation rate of the plastic rope reaches 30% or above, and the plastic rope has good biodegradability.

Description

technical field [0001] The invention belongs to the technical field of plastics, and in particular relates to a degradable plastic rope. Background technique [0002] Plastic, as a new material, has developed vigorously since the middle of the 20th century, and has shown a continuous growth trend year by year. Now, plastic products have been widely used in various industries and fields of human activities, and it is becoming more and more difficult to leave plastic products in our daily life. While the plastic industry is developing, plastic materials also encounter two problems: (1) limited resources: polymers such as plastics are mainly derived from petroleum, and petroleum is a non-renewable resource that has gradually become exhausted on the earth; (2) ) Pollution to the ecological environment: At present, the output of plastics in the world has reached 200 million tons, and the output of plastics in my country is also about 20 million tons per year. More and more plast...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L3/02C08L23/12C08L23/30C08L91/00C08L91/06C08K5/3492C08K3/26C07D251/24
CPCC07D251/24C08K2003/265C08L3/02C08L2201/06C08L2205/02C08L2205/035C08L23/12C08L23/30C08L91/00C08K5/3492C08K3/26C08L91/06
Inventor 刘立平李影
Owner 界首市宏利塑料股份有限公司