Biodegradable mulch dust suppression net and preparation method thereof

A dust-suppressing net and soil-covering technology, which is applied in the manufacture of rayon, single-component polyester rayon, and fiber chemical characteristics, can solve the problems of high cost, poor toughness and durability of polylactic acid-covered dust-suppressing nets, etc. , to enhance strength, improve interfacial compatibility and adhesion, and reduce costs

Pending Publication Date: 2019-04-12
SHANDONG JINGUAN NET
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technical problem to be solved in the present invention is that the toughness and durability of polylactic acid cover soil dust suppression net are relatively poor, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment １

[0041] This embodiment provides a degradable dust-suppressing net with soil cover, and its preparation raw materials include at least the following components:

[0042] 66 parts of polylactic acid;

[0043] 1.5 parts of bagasse fiber;

[0044] 1.5 parts of flax fiber;

[0045] 1 part of masterbatch;

[0046] 1.5 parts of calcium carbonate;

[0047] The above-mentioned parts are parts by weight.

[0048] The grammage of the degradable dust-covering net is 60 grams / square meter, and the mesh density is 400 mesh / 100 square centimeters.

[0049] The above-mentioned degradable soil-covering and dust-suppressing net is prepared by the following method.

[0050] (1) After washing the bagasse, put it in 1% sodium hydroxide solution at a ratio of 1:25, stir it in a constant temperature water bath at 85°C for 2 hours, then wash it with distilled water to pH 7 and dry it to make ready-to-use bagasse fiber. The flax fiber pulp board is pulverized, boiled by kraft method, washed with...

Embodiment 2

[0055] This embodiment provides a degradable dust-suppressing net with soil cover, and its preparation raw materials include at least the following components:

[0056] 74 parts of polylactic acid;

[0057] 2 parts bagasse fiber;

[0058] 1.2 parts of flax fiber;

[0059] 2 parts of masterbatch;

[0060] 3 parts calcium carbonate;

[0061] The above-mentioned parts are parts by weight.

[0062] The grammage of the degradable dust-covering net is 220 grams / square meter, and the mesh density is 2100 mesh / 100 square centimeters.

[0063] The above-mentioned degradable soil-covering and dust-suppressing net is prepared by the following method.

[0064](1) After washing the bagasse, put it in 1% sodium hydroxide solution at a ratio of 1:25, stir it in a constant temperature water bath at 85°C for 2 hours, then wash it with distilled water to pH 7 and dry it to make ready-to-use bagasse fiber. The flax fiber pulp board is pulverized, boiled by kraft method, washed with water t...

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Abstract

The invention discloses a degradable mulch dust suppression net. The degradable mulch dust suppression net is prepared from the following raw materials: polylactic acid, bagasse fibers, flax fibers, masterbatch and calcium carbonate. The invention also discloses a preparation method of the degradable mulch dust suppression net. The degradable mulch dust suppression net has the advantages of greatenvironmental significance, significantly better durability and mechanical strength than those of existing similar polylactic acid products and lower cost.

Description

technical field [0001] The invention relates to the technical field of environmental protection materials, in particular to a degradable soil covering dust suppression net and a preparation method thereof. Background technique [0002] On construction sites, open-air bulk stockyards and other bare open spaces, due to the action of wind, a large number of fine dust particles will be produced, causing air pollution. In some cities or regions, dust particles have become the main source of PM2.5 and PM10 pollution in the air. The common means of dust control in China is the more traditional method of sprinkling dust. This method needs to use a lot of water and has a short effective duration. Compared with sprinkling water and raising dust, covering a large area of ​​the ground with dust suppression nets can effectively prevent wind and dust, strengthen stockpiling, save water resources, and be effective for a long time. However, at present, dust suppression nets are usually ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/92D01F1/10E04G21/30
CPCD01F1/10D01F6/92E04G21/30
Inventor 任立超
Owner SHANDONG JINGUAN NET
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