10 results about "Hildebrand solubility parameter" patented technology

The invention relates to a two-phase electrolyte and an electrochemical device, the two-phase electrolyte comprises an electrolyte salt, water and an organic solvent, the difference value of the Hildbrand solubility parameter of the water and the Hildbrand solubility parameter of the organic solvent is 13.5-15.3, and the relative dielectric constant of the organic solvent is 5-80. The water phase-organic phase in the double-phase electrolyte provided by the invention can realize spontaneous phase separation, and the double-phase electrolyte is a stable water phase-organic phase double-phase electrolyte, so that the problems of negative electrode hydrogen evolution corrosion, dendritic crystal growth and the like can be solved, and the ion transmission efficiency is improved; the battery using the two-phase electrolyte shows better long-term cycle life and high capacity retention rate.

A color conversion sheet according to the present invention includes a first wavelength conversion layer in which an organic phosphor is dispersed in a resin matrix, a first phosphor diffusion barrier layer positioned on one surface of the first wavelength conversion layer, and an adhesive layer positioned on one surface of the first phosphor diffusion barrier layer, wherein a Hildebrand solubility parameter of the first phosphor diffusion barrier layer satisfies a predetermined relationship between a Hildebrand solubility parameter of the resin matrix of the first wavelength conversion layer and a Hildebrand solubility parameter of a solvent contained in the first phosphor diffusion barrier layer, thereby resolving problems of changes in luminance characteristics and color change.

The present invention provides: a solid novolac-type maleimide resin material which exhibits excellent solubility in solvents and has a repeating unit in which the average number of maleimide groups is 2-20; and a method for producing same. The solid novolac-type maleimide resin material contains solvent A and a novolac-type maleimide resin having a repeating unit in which the average number of maleimide groups is 2-20. The content of the solvent A is 100-30,000 ppm. The Hildebrand solubility parameter of the solvent A is 12.0-18.0.

An inkjet ink includes: a rosin resin having an acid value of less than 22 mgKOH / g and a hydroxyl value of 40 mgKOH / g or less; an alcohol; and a cosolvent having a HildBland solubility parameter of less than 11 cal1 / 2 cm <-3 > / 2. The inkjet inks are characterized by an extended unsealing time under a range of environmental conditions, and additionally have good operational stability and drying time. A printed article including the inkjet ink in dry form and a method of forming a printed image with a thermal inkjet printhead are also provided.

The present invention provides a novolac maleimide resin solid having repeating units with an average number of maleimide groups of 2 to 20, which has excellent solubility in solvents, and a method for producing the same. The novolac maleimide resin solid contains a novolac maleimide resin having repeating units with an average number of maleimide groups of 2 to 20, and a solvent A, wherein the content of the solvent A is 100 ppm or more and 30,000 ppm or less, and the Hildebrand solubility parameter of the solvent A is 12.0 or more and 18.0 or less.

SOLUTION: A color conversion sheet of the present invention includes: a first wavelength conversion layer in which an organic phosphor is dispersed in a resin matrix; a first phosphor anti-diffusion layer located on one surface of the first wavelength conversion layer; and an adhesive layer located on one surface of the first phosphor anti-diffusion layer. The first phosphor anti-diffusion layer has a Hildebrand solubility parameter satisfying a predetermined relationship between the Hildebrand solubility parameter of the resin matrix of the first wavelength conversion layer and the Hildebrand solubility parameter of a solvent included in the first phosphor anti-diffusion layer.EFFECT: The present invention solves the problems of luminance characteristic change and color change.SELECTED DRAWING: Figure 1

This document discloses a method for dissolving a polymer resin, the method comprising: treating the polymer resin or a composite material containing the polymer resin with a first mixture of fluids for one or more pressure cycles; wherein the first mixture comprises a first superheated fluid and a first supercritical fluid; wherein each pressure cycle comprises a pressurization step, a pressure holding step, and a depressurization step; and treating the polymer resin or the composite material containing the polymer resin with a second mixture of fluids for one or more pressure cycles; wherein the second mixture of fluids comprises superheated water, a second superheated or supercritical fluid, and a third supercritical fluid; wherein the first superheated fluid and the second superheated or supercritical fluid contain fluids having a pressure between 15 MPa and... 1 / 2 With 40 (MPa) 1 / 2 The solvent between the Hildebrand solubility parameter and the solubility parameter.

A two-phase electrolyte and electrochemical device are disclosed. The two-phase electrolyte comprises an electrolyte salt, water, and an organic solvent, wherein the difference in Hildebrand solubility parameters between water and the organic solvent is 13.5 to 15.3, and the relative permittivity of the organic solvent is 5 to 80. In the two-phase electrolyte provided by this application, the aqueous and organic phases can achieve spontaneous phase separation. This two-phase electrolyte is a stable aqueous-organic phase two-phase electrolyte, which can improve problems such as hydrogen evolution corrosion and dendrite growth at the negative electrode, and improve ion transport efficiency. Batteries using this two-phase electrolyte exhibit better long-term cycle life and high capacity retention.

A rosin resin having an acid value of less than 22 mg KOH / g and a hydroxyl value of 40 mg KOH / g or less, an alcohol, and a Hildebrand solubility parameter of 11 cal 1 / 2 cm -3 / 2 and a co-solvent having a molecular weight of less than 1000 kJ / cm 2 . The inkjet ink is characterized by an extended decap time under a wide range of environmental conditions, and further has excellent continuous printing stability and dry time. Also provided are printed materials comprising the dried form of the inkjet ink, and methods for forming printed images using a thermal inkjet printhead.

A method for purifying a polyethylene glycol compound represented by formula [1], including a Step (A) of dissolving the compound represented by formula [1] in an organic solvent having a Hildebrand solubility parameter of 8 to 10 (cal / cm3)1 / 2 to obtain a solution, and a Step (B) of mixing the solution with 0.1 to 1 part by mass of an adsorbent made from a hydrotalcite having a specific surface area of 50 to 200 m2 / g with respect to 1 part by mass of the compound of the formula [1] to prepare a slurry,where Z, Y1, Y2, A, Polymer, X, a, b, l and m are as defined herein.