Easily degradable environment-friendly paper plastic bag and preparation method thereof

An easily degradable, paper-plastic bag technology, used in chemical instruments and methods, paper/cardboard layered products, layered products, etc. The effect of toughness

Inactive Publication Date: 2018-03-30
HEFEI LANGSHENG NOVEL MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides an easily degradable environmentally friendly paper-plastic bag and its preparation method, which solves the technical problem that the paper-plastic bag is not easy to degrade in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The easily degradable environmentally friendly paper plastic bag of this embodiment comprises a surface layer and a bottom layer, the surface layer is a paper layer, and the bottom layer is a plastic layer, and the plastic layer is made of the following raw materials in parts by weight: 40 parts of polyethylene, 20 parts of thermoplastic starch plastics, cellulose acetate 10 parts, 5 parts of tributyl citrate, 3 parts of agar, 5 parts of glycerin, 2 parts of lactose, 1 part of p-hydroxyanisole, 1 part of silicon dioxide;

[0023] The preparation method of the easily degradable environmental protection paper-plastic bag of the present embodiment comprises the following steps:

[0024] S1, weighing each raw material according to the weight of the raw material;

[0025] S2. Mixing polyethylene, biodegradable plastics, cellulose acetate, tributyl citrate, agar, glycerin, lactose, stabilizer and lubricant and then extruding to form a film;

[0026] S3, cutting, drawing, and...

Embodiment 2

[0029] The easily degradable environmentally friendly paper plastic bag of this embodiment comprises a surface layer and a bottom layer, the surface layer is a paper layer, and the bottom layer is a plastic layer, and the plastic layer is made of the following raw materials in parts by weight: 60 parts of polyethylene, 40 parts of aliphatic polyester plastics, acetic acid 20 parts of cellulose, 10 parts of tributyl citrate, 8 parts of agar, 10 parts of glycerin, 5 parts of lactose, 5 parts of stabilizer, 5 parts of paraffin;

[0030] The preparation method of the easily degradable environmental protection paper-plastic bag of the present embodiment comprises the following steps:

[0031] S1, weighing each raw material according to the weight of the raw material;

[0032] S2. Mixing polyethylene, biodegradable plastics, cellulose acetate, tributyl citrate, agar, glycerin, lactose, stabilizer and lubricant and then extruding to form a film;

[0033] S3, cutting, drawing, and we...

Embodiment 3

[0036] The easily degradable environmentally friendly paper plastic bag of this embodiment comprises a surface layer and a bottom layer, the surface layer is a paper layer, the bottom layer is a plastic layer, and the plastic layer is made of the following raw materials in parts by weight: 50 parts of polyethylene, 30 parts of starch plastic, 15 parts of cellulose acetate 8 parts, 8 parts of tributyl citrate, 6 parts of agar, 7 parts of glycerin, 3 parts of lactose, 3 parts of stabilizer, 3 parts of calcium carbonate;

[0037] The preparation method of the easily degradable environmental protection paper-plastic bag of the present embodiment comprises the following steps:

[0038] S1, weighing each raw material according to the weight of the raw material;

[0039] S2. Mixing polyethylene, biodegradable plastics, cellulose acetate, tributyl citrate, agar, glycerin, lactose, stabilizer and lubricant and then extruding to form a film;

[0040] S3, cutting, drawing, and weaving t...

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PUM

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Abstract

The invention provides an easily degradable environment-friendly paper plastic bag and a preparation method thereof, and relates to the technical field of high polymer materials. The easily degradableenvironment-friendly paper plastic bag comprises a surface layer and a bottom layer, wherein the surface layer is a paper layer, and the bottom layer is a plastic layer, the plastic layer is composedof the following raw materials in parts by weight: polyethylene, biodegradable plastic, cellulose acetate, tributyl citrate, agar, glycerol, lactose, a stabilizer and a lubricant. The easily degradable environment-friendly paper plastic bag provided by the invention has excellent toughness, temperature resistance and acid and alkali resistance, and can be rapidly degraded in a natural environmentafter being scrapped, has no pollution to the environment and is harmless to human health.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to an easily degradable environmentally friendly paper-plastic bag and a preparation method thereof. Background technique [0002] With the development and progress of society, there are more and more demands for packaging bags in the market, and there are more and more requirements for the types of packaging bags. The packaging bags demanded on the market include multi-layer paper bags, paper-plastic composite packaging bags, flat bottom Various types of paper bags, such as packaging bags, ladder mouth packaging bags, etc., when producing paper bags, each corresponding paper bag requires a kind of equipment for production, and each production requires a variety of processes, so for enterprises to carry out various models The production cost of high-quality packaging bags is very high, and it is necessary to purchase a variety of equipment, and it also takes up a lot of la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/32B32B27/10B32B29/00C08L23/06C08L3/02C08L1/12C08L5/12C08L67/00C08L67/04C08K13/02C08K5/11C08K5/053C08K5/13C08K3/36
CPCB32B27/32B32B27/10B32B29/00C08K2003/265C08L23/06C08L3/02C08L1/12C08L5/12C08K13/02C08K5/11C08K5/053C08K5/13C08K3/36C08L67/00C08L91/06C08K3/26C08L67/04
Inventor 汪锋王龙珑
Owner HEFEI LANGSHENG NOVEL MATERIAL CO LTD
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