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
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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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