A lignin sand-fixing agent suitable for erosion control of collapsing hills
A technology of lignin and sand-fixing agent, applied in application, other chemical processes, agriculture, etc., can solve the problems of easy disintegration of soil, maintaining ecological environment, and inability to soil, so as to improve soil strength and cohesion, and improve the overall Strength, the effect of promoting vegetation growth
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Embodiment 1
[0028] A lignin sand-fixing agent suitable for the prevention and control of collapsing hillock erosion, made of the following components in parts by weight: 55 parts of composite binder, 18 parts of fly ash, 15 parts of water-retaining agent and 5 parts of hydroxyethyl cellulose; The composite binder is prepared from 18 parts by weight of modified acid lignin, 25 parts of modified basic lignin and 25 parts of polyacrylamide, and the anion molecular weight of polyacrylamide is 3 million to 22 million.
[0029] Further, the water-retaining agent is a composite water-retaining agent, which is formed by mixing and cross-linking 8 parts by weight of calcium lignosulfonate and 7 parts of polyurethane.
[0030] Further, the modified acidic lignin is prepared from the following components in parts by weight: 10 parts of calcium lignosulfonate and 5 parts of acrylamide monomer.
[0031] Further, the modified alkaline lignin is prepared from the following components in parts by weight:...
Embodiment 2
[0038] A lignin sand-fixing agent suitable for the prevention and control of collapsing, which is made of the following components in parts by weight: 60 parts of composite binder, 20 parts of fly ash, 17 parts of water-retaining agent and 6 parts of hydroxyethyl cellulose; The composite binder is prepared from 20 parts by weight of modified acidic lignin, 20 parts of modified basic lignin and 27 parts of polyacrylamide, and the anion molecular weight of polyacrylamide is 3 million to 22 million.
[0039] Further, the water-retaining agent is a composite water-retaining agent, which is formed by mixing and cross-linking 9 parts by weight of sodium lignosulfonate and 8 parts of polyurethane.
[0040] Further, the modified acidic lignin is prepared from the following components in parts by weight: 15 parts of sodium lignosulfonate and 12 parts of acrylamide monomer.
[0041] Further, the modified alkaline lignin is prepared from the following components in parts by weight: 15 pa...
Embodiment 3
[0048] A lignin sand-fixing agent suitable for the erosion prevention and control of collapsed hillocks, made of the following components in parts by weight: 65 parts of composite binder, 19 parts of fly ash, 16 parts of water-retaining agent and 7 parts of hydroxyethyl cellulose; The composite binder is prepared from 27 parts by weight of modified acidic lignin, 15 parts of modified basic lignin and 15 parts of polyacrylamide, and the anionic molecular weight of polyacrylamide is 3 million to 22 million.
[0049] Further, the water-retaining agent is a composite water-retaining agent, which is formed by mixing and cross-linking 10 parts by weight of ammonium lignosulfonate and 9 parts by weight of polyurethane.
[0050] Further, the modified acidic lignin is prepared from the following components in parts by weight: 12 parts of lignosulfonate amine and 8 parts of acrylamide monomer.
[0051] Further, the modified alkaline lignin is prepared from the following components in pa...
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