Degradable three-layer plastic express bag and preparation method thereof

A technology of plastics and plastic films, applied in the field of degradable three-layer plastic express bags and their preparation, can solve problems such as white pollution, and achieve the effect of solving white pollution

Inactive Publication Date: 2017-09-29
GUANGDONG TENGEN IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the extensive use of plastics has caused increasingly serious "white pollution" to the environment, which has become a worldwide public hazard.

Method used

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  • Degradable three-layer plastic express bag and preparation method thereof
  • Degradable three-layer plastic express bag and preparation method thereof
  • Degradable three-layer plastic express bag and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] The preparation method of degradable three-layer plastic express bag, such as figure 1 shown, including the following steps:

[0058] Step 1: According to the mass percentage, weigh the outer bag body raw materials: LDPE 1.0kg, LLPDE 7.0kg, white masterbatch 2.0kg; middle bag body EVA raw material 1.0kg; inner bag body raw material: PA 6.5kg , white masterbatch 2.9kg, opening agent 0.5kg, EPI 0.1Kg;

[0059] Step 2, put the above-mentioned inner bag body raw materials and outer layer bag body raw materials into the mixer respectively for mixing, as follows:

[0060] Inner bag raw material mixing treatment: add LDPE, LLDPE, and white masterbatch to the mixer in sequence, and then mix and mix for more than 15 minutes to obtain the inner bag mixing material;

[0061] Mixing treatment of the outer bag body raw materials: add PA, white masterbatch, and anti-blocking agent to the mixer in sequence, and then mix the ingredients for more than 15 minutes to obtain the outer ba...

Embodiment 2

[0066] The preparation method of degradable three-layer plastic express bag comprises the following steps:

[0067] Step 1. According to the mass percentage, weigh the raw materials of the outer bag: LDPE 3.0kg, LLPDE 5.0kg, white masterbatch 2.0kg; middle bag EVA raw material 1.0kg; inner bag raw material: PA 8.0kg , white masterbatch 1.7kg, opening agent 0.1kg, EPI 0.2Kg;

[0068] Step 2, put the above-mentioned inner bag body raw materials and outer layer bag body raw materials into the mixer respectively for mixing, as follows:

[0069] Inner bag raw material mixing treatment: add LDPE, LLDPE, and white masterbatch to the mixer in sequence, and then mix and mix for more than 15 minutes to obtain the inner bag mixing material;

[0070] Mixing treatment of the outer bag body raw materials: add PA, white masterbatch, and anti-blocking agent to the mixer in sequence, and then mix the ingredients for more than 15 minutes to obtain the outer bag body mixture;

[0071] Step 3: Pu...

Embodiment 3

[0075] The preparation method of degradable three-layer plastic express bag comprises the following steps:

[0076] Step 1: According to the mass percentage, weigh the raw materials of the outer bag: 2.5kg of LDPE, 5.5kg of LLPDE, 2.0kg of white masterbatch; the raw material of the middle bag: EVA 1.0kg; the raw material of the inner bag: PA 7.35 kg, white masterbatch 2.3kg, opening agent 0.2kg, EPI 0.15Kg;

[0077] Step 2, put the above-mentioned inner bag body raw materials and outer layer bag body raw materials into the mixer respectively for mixing, as follows:

[0078] Inner bag raw material mixing treatment: add LDPE, LLDPE, and white masterbatch to the mixer in sequence, and then mix and mix for more than 15 minutes to obtain the inner bag mixing material;

[0079] Mixing treatment of the outer bag body raw materials: add PA, white masterbatch, and anti-blocking agent to the mixer in sequence, and then mix the ingredients for more than 15 minutes to obtain the outer ba...

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Abstract

The invention discloses a degradable three-layer plastic express bag and a preparation method thereof. The express bag comprises an outer layer bag body, a middle layer bag body and an inner layer bag body, wherein, in mass percentage, the outer layer bag body comprises the following components: 10-30% of LDPE, 50-80% of LLPDE and 10-30% of white master batches; the middle layer bag body comprises the following component: 100% of EVA; and the inner bag body comprises the following components: 50-80% of PA, 10-40% of the white master batches, 1-5% of an anti-block agent, and 1-2% of EPI. The express bag has super stretching resistance and low-temperature resistant performance, and can bear weight twice heavier than common express bags. After a certain period, the product provided by the invention can be degraded automatically through EPI degradation so as to achieve the function of environmental protection.

Description

technical field [0001] The invention relates to the field of express bag preparation, in particular to a degradable three-layer plastic express bag and a preparation method thereof. Background technique [0002] Plastic is sometimes widely used in various fields because of its light weight and low price. As a rapidly developing industry, the logistics express transportation industry, its plastic express bags make people's work and life more convenient, so it is even more important favored. However, the extensive use of plastics has caused increasingly serious "white pollution" to the environment, which has become a worldwide public hazard. [0003] In response to this kind of pollution, the proposed degradable plastic is undoubtedly one of the necessary ways to achieve environmental sustainable development. Contents of the invention [0004] The problem to be solved by the present invention is to provide a degradable three-layer plastic express bag with low preparation c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L23/06C08L77/00B32B27/08B32B27/32B32B27/34B65D30/08
CPCB32B27/08B32B27/32B32B27/34B32B2307/306B65D31/04C08L23/0815C08L23/0853C08L77/00C08L2201/02C08L2201/06C08L2203/16C08L2207/066C08L23/06Y02W90/10
Inventor 周孝伟罗耀东邓凯童德兴
Owner GUANGDONG TENGEN IND GRP CO LTD
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