41results about How to "Mild curing conditions" patented technology

The invention relates to graphene conductive ink comprising the following components by weight percent: 0.01-25% of resin, 0.1-95% of graphene, 0.1-30.0% of assistant, and 5.0-99.79% of solvent. The two-dimensional conductive material graphene is used for the conductive ink; the graphene with special ratio is adopted as a conductive phase; the resin is taken as a binder; the assistant and the solvent are used for assisting; the prepared ink is good in anti-sedimentation property, and adjustable in viscosity and rheological behavior, and can be used for flexibly printing on the surfaces of a plurality of substrates; and the ink is stable in mechanical property, stable in electrical properties, oxidation resistance, acid resistance, alkali resistance and resistance to a chemical solvent after being cured.

A biological template method for preparing anti¿Creflection film includes plating template with biological nanostructure of metal by means of vacuum¿Cvaporization plating to obtain negative structure corresponding to biological template on metal film, using metal negative structure as template to cast organic polymer to obtain organic polymer film having identical nanostructure to biological template on film surface after solidification.

The invention belongs to the field of electronic products, and particularly relates to a preparation method of resistive screen hardening liquid. The method particularly comprises the following steps: mixing a silane coupling agent and glycidyl ether according to a certain ratio, performing hydrolysis by a proper amount of mixed liquid of deionized water, alcohols and acetylacetone for 15-24 hours; mixing the hydrolyzed product with a solvent according to a ratio of 2:3, adding a proper amount of a levelling agent and an antifoaming agent to obtain the mobile phone screen hardening liquid. An outer screen of a resistive screen (a PET film) is soaked with a 0.1 mol / L sodium hydroxide solution for 5 min, and is cleaned; then the film surface is uniformly coated with the hardening liquid by methods of dip-coating or roller coating, dried and cured at 70 DEG C for 30 min to obtain a hardened resistive outer screen with a pencil hardness of up to 6H. The preparation method of the invention has the characteristics of simple process and low cost, can enhance the surface hardness of resistive screens, improve scraping resistance, and prolong the service life of resistive screens.

The invention provides a novel process for utilizing catalytic cracked heavy oil, comprising the step of the synthesis of catalytic cracked heavy oil. The invention discloses a novel process for utilizing the catalytic cracked heavy oil of oil refineries, comprising the steps of: directly synthesizing condensed polynuclear anime by using the catalytic cracked heavy oil as a raw material, separating solid from liquid, refining solid resin, and returning feed oil, which is not involved in reaction, to a catalytic cracking device of a refinery to be used as a high-quality catalytic cracked raw material. The novel process has high utilization rate on the catalytic cracked heavy oil, is environmental-friendly and free of pollutant emission and can generate favorable economic and social benefits. The invention further provides the condensed polynuclear anime obtained with the novel process, and the condensed polynuclear anime has the advantages of good heat resistance, favorable self-lubricating property and favorable combinability with other materials, has the 10% thermal gravimetric temperature being above 380 DEG C and the final carbonization yield being above 50%, and can serve as C / C and C / plastic composite material matrices to be applied to various fields.

The invention discloses a CNT:SNC:PEDOT ternary water-based conductive ink and a preparation method thereof. The method comprises: adding carbon nanotubes into the sulfated nanocellulose aqueous dispersion, dispersing evenly to obtain a CNT:SNC dispersion; adding EDOT monomer to the CNT:SNC dispersion, and stirring evenly to obtain a mixed solution; Ammonium persulfate and ferric chloride are added to the mixed solution, and polymerization reaction is carried out under an inert atmosphere to obtain the CNT:SNC:PEDOT ternary water-based conductive ink. The CNT:SNC:PEDOT ternary conductive ink has the advantages of water-based environmental protection, good stability, good adhesion, no heating and curing, and strong versatility. At the same time, the advantages of stable dispersion, high conductivity, excellent printing adaptability and coating mechanical stability make the conductive ink in the present invention expected to be applied to printing various flexible electronic devices.

The invention provides a high-temperature wear-resistant anti-corrosion coating and a preparation method and application thereof. A combination of furan-modified epoxy resins with a specific structure is selected as a film-forming substance, and the high-temperature and corrosion-resistant properties of epoxy resin and furan resin are used. performance, and the selection of functionalized graphene as the thermal conductivity and anti-corrosion components, and the selection of epoxy polyether-polysiloxane as the dispersing functional component, the good dispersion of graphene, fillers and other components is achieved, and the prepared A coating with good appearance and compactness, the coating has excellent high temperature resistance, wear resistance, corrosion resistance and other properties, which can be applied to the high temperature anti-corrosion requirements of the four-tube surface of the boiler. At the same time, the process is simple, the operation is simple, and the curing conditions are mild , the time required for complete curing is shorter, the energy consumption ratio of the curing process is reduced, and the degree of greenness of the process is high.