9 results about "Diethylene glycol diethyl ether" patented technology

Solvent blends useful for the formulation and application of polyamide-imide resins are described. A solvent blend may include a primary solvent and a co-solvent, wherein the primary solvent is provided at a higher concentration than the co-solvent. The primary solvent may include one or more first materials, wherein the first materials include at least one of 1,3- Dimethyl-2-imidazolidinone, N-Cyclohexyl-2-pyrrolidone, or N,N'-Dimethyl propyleneurea. The co-solvent may include one or more second materials different than the one or more first materials, wherein the second materials include at least one of N,N-Diethylacetamide, N,NDimethylpropionamide, gamma-butyrolactone, N-butylpyrrolidinone, N-Methylmorpholine, 2,5,7,10-Tetraoxaundecane, 3-Methoxy-N,N-dimethyl propenamide, Anisole, Cyrene, 1,1,3,3- Tetramethylurea, Diethylene Glycol Diethyl Ether, 1,3-Dimethyl-2-imidazolidinone, NCyclohexyl- 2-pyrrolidone, or N,N'-Dimethyl propyleneurea.

The invention provides 300 DEG C-resistant low-viscosity white ink suitable for handheld equipment, and relates to the technical field of ink materials. The 300 DEG C-resistant low-viscosity white ink applicable to the handheld equipment is prepared from the following materials in parts by weight: 15 to 20 parts of organic silicon resin, 10 to 15 parts of polyester resin, 10 to 12 parts of cross-linking agent, 15 to 20 parts of silicon-aluminum coated rutile type titanium dioxide, 5 to 10 parts of modified nano zinc oxide, 10 to 15 parts of diethylene glycol diethyl ether, 5 to 10 parts of isopropanol, 4 to 6 parts of ethylene glycol monomethyl ether and 5 to 8 parts of functional additive. According to the 300 DEG C-resistant low-viscosity white ink suitable for the handheld equipment, disclosed by the invention, the balance of low viscosity and high temperature resistance is realized by optimizing the components, the proportion and the preparation method of the ink.

The invention discloses a foramsulfuron nano dispersible oil suspending agent and a preparation method thereof, and relates to the technical field of herbicides. The invention relates to a foramsulfuron nano dispersible oil suspending agent which comprises the following components in percentage by weight: 1-5% of foramsulfuron, 20-30% of an emulsifier and the balance of a dispersion medium, the dispersion medium is prepared from methyl oleate and diethylene glycol diethyl ether according to the mass ratio of 1: 1; the emulsifying agent in the foramido-sulfuron nano dispersible oil suspending agent is prepared from one or two of 7200-F and sitosterol formyl arginyl-glycyl-aspartic acid dipotassium salt, and the emulsifying agent is prepared from one or two of 7200-F and sitosterol formyl arginyl-glycyl-aspartic acid dipotassium salt. The foramsulfuron nano dispersible oil suspending agent prepared by the invention is stable in performance, environment-friendly and green, and has excellent characteristics of small granularity, high dispersity and low decomposition rate.

The application discloses a negative-electrode-free sodium battery electrolyte and a preparation method and application thereof, and belongs to the battery field.The negative-electrode-free sodium battery electrolyte comprises the following raw materials in parts by weight: 50-80 parts of a linear ether main solvent; 10-30 parts of 1,3-dioxolane cosolvent; 10-17 parts of an electrolyte sodium salt; and 0.3-2 parts of a pyridine boronic acid additive.The pyridine boronic acid additive is at least one of pyridine-3-boronic acid, pyridine-3-boronic acid neopentyl glycol ester and pyridine-4-boronic acid neopentyl glycol ester.The linear ether main solvent is at least one of ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether, ethylene glycol diethyl ether and diethylene glycol diethyl ether.The negative-electrode-free sodium battery electrolyte can achieve the effects of good first-effect exertion and long cycle life.

The invention discloses a phase change absorbent for CO2 capture and an application method thereof, and relates to the technical field of carbon capture, utilization and storage. The phase change absorbent comprises diethylaminoethanol, piperazine anhydrous, a physical solvent and water, and the physical solvent is any one of n-butyl alcohol, diethylene glycol dimethyl ether and diethylene glycol diethyl ether. Through the activation effect of the activating agent, the problem of low tertiary amine absorption rate is solved; the problem of high regeneration energy consumption of the absorbent is solved by utilizing the characteristic of low regeneration reaction heat of the tertiary amine product and the characteristics of low sensible heat and low latent heat of the phase change absorbent, and comprehensive optimization of the phase change absorbent on key indexes such as CO2 cycle loading capacity, absorption rate, regeneration energy consumption, degradation resistance and corrosion resistance is realized by virtue of deep synergy of multiple components and multiple functions; the comprehensive performance of the phase change system is far better than that of a traditional phase change system with single amine or homogeneous-phase mixed amine or primary and secondary amine as a main absorption component.

A composition comprises a polymer; diethylene glycol diethyl ether solvent; and a compound of formula (I); (I) (II) wherein: M+ is an alkali or alkaline earth metal cation, preferably Li+; X is Al or B; and R1 in each occurrence is independently a substituent wherein two R1 groups may optionally be linked to form a ring. At least two of the R1 groups, possibly all of the R1 groups, are not linked, or at least two of the R1 groups may be linked to form a group R2 as set out above in formula (II). The composition may include one or more further solvents such as C2-10 alkylene carbonates and / or a di(C1-10) alkyl carbonate, and the polymer may be fluorinated. A gel comprising the composition may be used as an electrolyte in a metal or metal ion battery.

The invention relates to a liquid crystal aligning agent, a liquid crystal alignment film, and a liquid crystal display element. Provided are a liquid crystal aligning agent, a liquid crystal aligning film, and a liquid crystal display element which are capable of suppressing poor coating of an aligning film and non-uniformity of display of a liquid crystal display element due to the influence of a wiring structure or C / H, and which are capable of reducing viscosity while maintaining a resin component and a molecular weight. A liquid crystal aligning agent containing: at least one polymer selected from the group consisting of polyimide precursors and polyimides that are imides thereof; and a solvent containing a solvent A, a solvent B, and a solvent C. Solvent A: is selected from the group consisting of N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone, [gamma]-butyrolactone, and dimethylimidazolinone. The solvent B is dipropylene glycol dimethyl ether. Solvent C: selected from the group consisting of diethylene glycol diethyl ether and diacetone alcohol.

The invention discloses a preparation method and application of rare earth metal, and the preparation method comprises the following steps: 1) providing an electrolyte which is a mixture of a polar aprotic solvent and a lithium salt; wherein the polar aprotic solvent is selected from at least one of ethylene glycol dimethyl ether, ethylene glycol diethyl ether, ethylene glycol dibutyl ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, triethylene glycol dimethyl ether and N-methyl pyrrolidone; 2) mixing a rare earth compound with the electrolyte in the step 1) to obtain an electrolyte containing the rare earth compound; (3) electrolyzing the electrolyte containing the rare earth compound under constant potential; and (4) after electrolysis is finished, the cathode piece is taken out, residual electrolyte on the surface of the cathode piece is removed, and rare earth metal on the surface of the cathode piece is collected. According to the preparation method, rare earth metal can be obtained, and no other additives are added in the electrolysis process.

A composition comprising a polymer; diethylene glycol diethyl ether; and a compound of formula (I);wherein: M+ is an alkali metal cation; X is Al or B; and R1 in each occurrence is independently a substituent wherein two R1 groups may optionally be linked to form a ring. A gel comprising the composition may be used as an electrolyte in a metal or metal ion battery.