Abstract: The present disclosure specifically relates to a preparation method for a degradable liquid-state mulching film by using livestock manure as a raw material, including pulverizing and sieving the dried livestock manure, followed by mixing with water to form a slurry; mixing the slurry with a stabilizer, an inorganic material and water to form a homogeneous suspension, followed by mixing with a surfactant, a grafted monomer mixture, a plasticizer and water to form a pre-emulsified mixed liquid; and finally raising a temperature of the pre-emulsified mixed liquid and adding an initiator under stirring to react to obtain a liquid-state mulching film. The mulching film obtained in the present disclosure not only has the functions of temperature raising, soil moisture conservation and grass controlling, but also has a strong adhesion ability to cause top soil particles to form an ideal agglomerate structure.

Abstract: The present disclosure specifically relates to a preparation method for a livestock manure-based superabsorbent polymer, including the following steps: stirring livestock manure in distilled water for dispersion; preparing a reactive monomer into a solution for later use; polymerizing a cross-linking agent, an initiator and a monomer in a livestock manure slurry to prepare a crude product of a livestock manure-based superabsorbent polymer; and washing, drying and crushing the crude product to prepare the livestock manure-based superabsorbent polymer. The livestock manure-based superabsorbent polymer prepared by the present disclosure is a black or gray granular solid with high water-retaining property and has broad application prospects in the fields of agriculture, environmental protection and ecology.

Abstract: Provided is a novel multifunctional cyclodextrin polymer capable of adsorbing the organic pollutants dissolved in water super-fast. A cyclodextrin polymer with a three-dimensional network structure and quaternary ammonium salt functional groups is obtained by mixing and crosslinking a cyclodextrin, a rigid crosslinking agent, a non-rigid crosslinking agent and a quaternary ammonium salt at certain temperature. The polymer is capable of adsorbing the organic pollutants dissolved in water at an ultra-fast rate, and the polymer after adsorption is easily regenerated and can be repeatedly used multiple times without causing a decrease in the adsorption property.

Abstract: The disclosure provides an amphiphilic porous cyclodextrin polymer: cyclodextrin is grafted with aromatic molecules, and then alkylated with biphenyl benzylidene chloride and p-xylylene dichloride through Friedel-Crafts reaction, to obtain a porous polymer with an ultrahigh specific surface area. This material has very high adsorption capacity and can be reused for simple regeneration. Because the hydroxy groups of cyclodextrin are partially retained, the hydrophilicity of the material surface is improved, allowing the adsorption rate to become faster. Moreover, there are a variety of adsorption mechanisms, and hydrophobic and hydrophilic pollutants can be adsorbed simultaneously.

Abstract: Provided is a novel multifunctional cyclodextrin polymer capable of adsorbing the organic pollutants dissolved in water super-fast. A cyclodextrin polymer with a three-dimensional network structure and quaternary ammonium salt functional groups is obtained by mixing and crosslinking a cyclodextrin, a rigid crosslinking agent, a non-rigid crosslinking agent and a quaternary ammonium salt at certain temperature. The polymer is capable of adsorbing the organic pollutants dissolved in water at an ultra-fast rate, and the polymer after adsorption is easily regenerated and can be repeatedly used multiple times without causing a decrease in the adsorption property.

Abstract: The disclosure provides an amphiphilic porous cyclodextrin polymer: cyclodextrin is grafted with aromatic molecules, and then alkylated with biphenyl benzylidene chloride and p-xylylene dichloride through Friedel-Crafts reaction, to obtain a porous polymer with an ultrahigh specific surface area. This material has very high adsorption capacity and can be reused for simple regeneration. Because the hydroxy groups of cyclodextrin are partially retained, the hydrophilicity of the material surface is improved, allowing the adsorption rate to become faster. Moreover, there are a variety of adsorption mechanisms, and hydrophobic and hydrophilic pollutants can be adsorbed simultaneously.

Abstract: A novel cyclodextrin polymer with ultra-fast adsorption performance is provided. A cyclodextrin polymer having a three-dimensional network structure is obtained by mixing and crosslinking a cyclodextrin with a rigid crosslinking agent and a non-rigid crosslinking agent at a certain temperature. The polymer is capable of adsorbing a plurality of organic pollutants in water at an ultra-fast rate, and the polymer after adsorption is easily regenerated by simple washing at a normal temperature, and is repeatedly used without causing a decrease in adsorption performance.

Abstract: A novel cyclodextrin polymer with ultra-fast adsorption performance is provided. A cyclodextrin polymer having a three-dimensional network structure is obtained by mixing and crosslinking a cyclodextrin with a rigid crosslinking agent and a non-rigid crosslinking agent at a certain temperature. The polymer is capable of adsorbing a plurality of organic pollutants in water at an ultra-fast rate, and the polymer after adsorption is easily regenerated by simple washing at a normal temperature, and is repeatedly used without causing a decrease in adsorption performance.