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Biodegradable logistics express packaging bag

A biodegradable, packaging bag technology, applied in biological packaging, packaging, wrapping paper, etc., can solve the problems of decades or even hundreds of years, loss of material properties, easy aging and discoloration, etc., to accelerate crystallization, improve Compatibility, the effect of mechanical modulus enhancement

Pending Publication Date: 2020-07-10
广东洪运洋科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under the action of sunlight and oxygen, polyethylene material is prone to aging and discoloration, and its material is prone to brittleness, resulting in pulverization and loss of the performance of the material itself.
Moreover, polyethylene plastic is composed of strong and stable carbon long chains. Because carbon long chains are not easy to break, polyethylene materials are extremely poorly degraded under natural conditions, and the time required for complete degradation is decades or even hundreds of years. Therefore, polyethylene express packaging bags have brought about environmental problems caused by the accumulation of waste plastics.

Method used

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  • Biodegradable logistics express packaging bag
  • Biodegradable logistics express packaging bag

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This embodiment provides a biodegradable logistics express packaging bag, including the following components by mass: 60-80 parts of poly(butylene adipate-terephthalate), 1-5 parts of the first modified filler, and 1-5 parts of the second modified filler. 1-5 parts of filler, 2-5 parts of coupling agent, 1-2 parts of surface treatment agent, 2-4 parts of plasticizer and 1-3 parts of chelating agent; the first modified filler includes cellulose as the main ingredients of natural polysaccharides, the second modified filler includes modified silica.

[0025] Specifically, the first modified filler is heat-treated straw slag, and the second modified filler is rice husk ash treated with a coupling agent. The coupling agent is 3-(methacryloyloxy)propyltrimethoxysilane coupling agent. The surface treatment agent is benzoyl peroxide. The plasticizer is polyethylene glycol. The chelating agent is dodecanedioic acid dihydrazide chelating agent.

[0026] The preparation method...

Embodiment 2

[0031] This embodiment provides a biodegradable logistics express packaging bag, which is different from Embodiment 1 in that

[0032] It also includes 5-10 parts of maleic anhydride modified polylactic acid compound.

[0033] The rest are the same as in Embodiment 1, and will not be repeated here.

Embodiment 3

[0035] This embodiment provides a biodegradable logistics express packaging bag, which is different from Embodiment 1 in that

[0036] Also included is 20-30 parts of peach palm cellulose.

[0037] The rest are the same as in Embodiment 1, and will not be repeated here.

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Abstract

The invention belongs to the field of plastic synthesis, and particularly relates to a biodegradable logistics express packaging bag which is prepared from the following components in parts by mass: 60-80 parts of poly(butylene adipate-co-terephthalate), 1-5 parts of a first modified filler, 1-5 parts of a second modified filler, 2-5 parts of a coupling agent, 1-2 parts of a surface treating agent, 2-4 parts of a plasticizer and 1-3 parts of a chelating agent. The first modified filler comprises natural polysaccharide taking cellulose as a main component, and the second modified filler comprises modified silicon dioxide. By adding the first modified filler, the compatibility, thermal stability and hydrophobicity of the first modified filler to the poly(butylene adipate-co-terephthalate) are improved. By adding the second modified filler, the mechanical modulus of polyadipic acid-butylene p-benzoate is enhanced, the crystallization of poly(butylene adipate-co-terephthalate) is accelerated, and in addition, the thermal stability of poly(butylene adipate-co-terephthalate) is also improved.

Description

technical field [0001] The invention belongs to the field of plastic synthesis, in particular to a biodegradable logistics express packaging bag. Background technique [0002] In recent years, the online shopping model has begun to penetrate into people's lives. At the same time, the popularity of online shopping has caused a large amount of packaging of online shopping products to be consumed, and a series of packaging environmental protection problems such as waste of packaging materials and excessive packaging have emerged in an endless stream. [0003] Polyethylene express packaging bags are express packaging bags provided by almost all large-scale e-commerce shopping platforms, and are used to pack non-fragile items with light weight and small volume. Polyethylene is a plastic material obtained by mechanically crushing plastics that have been used once or more times, and processing waste plastics through physical or chemical methods such as pretreatment, melt granulatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L1/02C08L67/04C08L1/04C08K13/06C08K9/06C08K3/36B65D65/46
CPCC08L67/02B65D65/466C08L2201/06C08L2201/08C08L2205/03C08L2205/025C08L2205/035C08L1/02C08K13/06C08K9/06C08K3/36C08L67/04C08L1/04Y02W90/10
Inventor 郭蓉
Owner 广东洪运洋科技有限公司