Conductive composition containing poly(3,4-ethylenedioxythiophene)/lignosulfonic acid and preparation method thereof

The invention discloses an antistatic coating for ultraviolet curing and a preparation method of the coating. According to the coating, poly3,4-ethylenedioxy thiophene is taken as a conductive component, waterborne polyurethane acrylic ester is taken as a matrix resin, waterborne polyurethane is taken as an auxiliary functional resin, and additives such as a monomer, a photoinitiator, a leveling agent, a substrate moistening agent and a defoaming agent are added, thus preparing the antistatic coating which is excellent in property. The surface resistivity of the coating formed on a PET (Polyethylene Terephthalate) film is 10 -10 omega/sq. The coating is free of harmful components such as methylbenzene or xylene, is low in volatile organic solvent content, environment-friendly and high in curing speed and has the characteristics of high efficiency, energy conservation and the like. After being cured, the coating has good adhesion property and long-lasting antistatic effect. Therefore, the coating has good popularization prospect.

Antistatic coating for ultraviolet curing and preparation method thereof

The invention relates to biodegradable temperature resistant material containing fiber base and polylactic acid and a preparation method thereof The material prepared disclosed by the invention is obtained by mixing the following raw materials by weight: 30%-60% of polylactic acid, 30%-50% of fiber powder, 5%-20% of crosslinking modifier, 5%-10% of additive, 1%-10% of inducer The preparation method comprises the following steps of drying and carrying out hydrophobic treatment to the fiber powder for 2-4 hours firstly; mixing the fiber powder, the crosslinking modifier, the additive and the inducer in a high-speed mixer uniformly and controlling the temperature below 110 DEG C; molding a mixer by an extruder and heating the molded product at the heating temperature of 105-150 DEG C for 10-30 seconds; and cooling the generated product to obtain the finished product The material prepared by the method has the advantages of good temperature resistance property, wide range of application and low production cost, is fully biodegradable, and can beapplied to biodegradable lunch boxes, thereby solving the white pollution problem caused by the extensive use of petroleum-based plastic

Biodegradable temperature resistant material containing fiber base and polylactic acid and preparation method thereof

The invention provides water-soluble poly(3,4-ethylenedioxythiophene) and a preparation method for a conductive coating thereof. The method comprises the following steps of: adding 3,4-ethylenedioxythiophene and an oxidant into the aqueous solution of the copolymer of sodium styrene sulfonate and an allyl monomer, regulating a pH value to be 1 to 5 by using a sulfuric acid, and polymerizing the mixture at the room temperature for 16 to 72h to obtain the water-soluble poly(3,4-ethylenedioxythiophene), wherein the oxidant may be ammonium persulfate, potassium persulfate or sodium persulfate; and the allyl monomer may be an acrylic monomer, a methacrylates monomer, hydroxyethyl acrylate , hydroxyethyl methacrylate, polyethylene glycol methacrylate or styrene. The electrical conductivity of the prepared water-soluble poly(3,4-ethylenedioxythiophene) is higher than that of the poly(3,4-ethylenedioxythiophene) generally using a polystyrene sulfonate acid as a dopant. The conductive coating is obtained by mixing the prepared water-soluble poly(3,4-ethylenedioxythiophene) and other water-based emulsion coatings or water-soluble polymers, and has the characteristics of high transparency and high electrical conductivity.

Water-soluble poly(3,4-ethylenedioxythiophene) and preparation method for conductive coating thereof

The present invention relates to a board using crosslinked polylactic acid and a method for preparing same, and more specifically, to a board using the crosslinked polylactic acid having superior processing properties during the preparation processe and water resistance properties after processing by using a composition comprising the crosslinked polylactic acid and wood powder, and to a method for preparing the board.

Board using crosslinked polylactic acid and method for preparing same

The invention discloses a method for preparing a high-hardness high-toughness biomass base polylactic acid composite material, which is characterized in that polylactic acid and wood flour are used asa main body which is added with proper amount of a toughening agent and other auxiliary agents to form the composite material. The prepared composite material has high hardness, and the flexural modulus can be over 5,000 MPa; the bending strength can be over 80 MPa; the shock resistance is good, and the impact strength (with a gap) of a simply supported beam can be over 9 kJ/m ; and the tensilestrength can be over 40 MPa, and the elongation at break can be over 30 percent. The method can greatly reduce the cost of the polylactic acid composite material; and simultaneously, the obtained composite material has degradability, thus the composite material has good value of environmental protection.

Method for preparing biomass base polylactic acid composite material

The invention relates to a method for preparing antistatic aqueous solution by the chemical oxypolymerization of 3, 4-ethylenedioxythiophene (EDOT), ie, potassium peroxydisulfate is used as oxidizer, sodium polystyrene sulfonate aqueous solution is polymerized with the 3, 4-ethylenedioxythiophene and the antistatic aqueous solution with eminent performance is prepared after the most suitable proportion of all the monomers is determined Being used as a coat, the antistatic aqueous solution prepared by adopting the method of the invention has low surface resistance (1*10 Omega/cm ), high mechanical strength, high visible light transmittance, and superior electrochemistry performance and thermal stability The method is simple in operation and has low requirement on equipment

Preparation of antistatic water solution

The invention relates to a preparation method of polymer alloy plastics with multiple network toughening and comprises the steps: first, polyethylene terephthalate, polyethylene and styrene/ethylene/butadiene/styrene copolymer are used as raw materials, and the raw materials are sent into a twin-screw extruder and added with reactivity cross-linking agent DCP and MDI to do two-step reaction extrusion, and then the final products are made. The plastic alloy of the invention has the advantages of good flexibility and mechanical performance of impact-resistance, can not only be applied to building materials, mobile phone shells, but also to the development of automobile parts, electronic devices and daily living articles.

Preparation method of multiple net toughened polymer alloy plastic

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Method for preparing biomass base polylactic acid composite material

Preparation of antistatic water solution

Preparation method of multiple net toughened polymer alloy plastic