4 results about "Hildebrand solubility parameter" patented technology

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.

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.