Nonaqueous dispersant and nonaqueous dispersion composition

A non-aqueous dispersant and carbon number technology, which is applied in the field of non-aqueous dispersion compositions, can solve the problems that the effect of the composition is not completely satisfactory, and the non-aqueous dispersion composition cannot fully meet the effect, and achieve excellent dispersion The effect of stability

Active Publication Date: 2016-08-17
NIPPON OIL & FATS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above problems, in Patent Document 1, an esterified product of polyoxyethylene monophenyl ether and cyclic carboxylic acid is proposed, but it cannot be used for non-aqueous dispersion compositions containing fine particle dispersions

Method used

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  • Nonaqueous dispersant and nonaqueous dispersion composition
  • Nonaqueous dispersant and nonaqueous dispersion composition
  • Nonaqueous dispersant and nonaqueous dispersion composition

Examples

Experimental program
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Example Embodiment

[0077] Example

[0078] Next, the present invention will be described in further detail by way of Examples and Comparative Examples.

Example Embodiment

[0079] (Synthesis Example 1: Synthesis of Polyetherester Compound 1)

[0080]Add 288g (2mol) 3,5,5- to a stainless steel 5-liter pressure-resistant vessel equipped with a mixer, pressure gauge, thermometer, safety valve, gas injection pipe, exhaust pipe, cooling coil, and steam jacket. Trimethyl-1-hexanol (trade name: NONANOL, manufactured by KHneochem Co., Ltd.) and 2 g of potassium hydroxide were replaced with nitrogen, and the temperature was raised to 120° C. with stirring. Under stirring, 120 degreeC, 0.05-0.50 MPa (gauge pressure) conditions, 705 g (16 mol) of ethylene oxide was added while pressurizing with nitrogen gas from the pressure-resistant container prepared separately through the gas injection pipe. After the addition was completed, it was reacted to a certain internal pressure under the same conditions. Then, in the method, 349 g (6 mol) of propylene oxide was added, and after the addition was completed, it was reacted to a constant internal pressure under th...

Example

[0089] (Examples 1 to 5, Comparative Examples 1 to 3)

[0090] Using the polyether ester compounds 1 to 8 as a dispersant, a non-aqueous dispersion composition was prepared in the following manner.

[0091] In a 50 mL threaded tube, 20.0 g of barium titanate powder (average particle size: 0.05 μm, measured by electron microscopy using SEM), 5.0 g of propylene glycol monomethyl ether acetate, and 1.4 g of dispersant were weighed, using an autorotation The public type mixer was stirred for 5 minutes for pre-dispersion. Then, using 0.5 mm zirconia beads, dispersion was performed with a bead mill for 4 hours to obtain a slurry-like non-aqueous dispersion composition. In addition, the SP value of propylene glycol monomethyl ether acetate was 8.7 (cal / cm 3 ) 1 / 2 .

[0092] The non-aqueous dispersion compositions obtained by using the polyether ester compounds 1 to 5 were used as Examples 1 to 5, and the non-aqueous dispersion compositions obtained by using the polyether ester co...

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Abstract

The invention provides a non-aqueous dispersant allowing particle dispersoid to disperse into the non-aqueous solvent with high concentration, and excellent dispersion stability can be given to the particle dispersoid; the non-aqueous dispersant complies with the formula (1)(see description), wherein R refers to a linear chain or linear chain alkyl with 1-22 carbon atoms, A1O refers to oxygen ethylidene, and m is 1-30; A2O refers to oxygen alkylene with 3-4 carbon atoms, wherein n is 1-30; the following relation is complied with: 0.1<=m/n<=10 and 5<=m+n<=40, wherein a refers to aromatic nucleus number (1-2), and M refers to hydrogen atom, ammonio or alkanol ammonio.

Description

technical field [0001] The invention relates to a non-aqueous dispersant and a non-aqueous dispersion composition containing the non-aqueous dispersant. The non-aqueous dispersant can be used for dispersing dispersions such as organic or inorganic powders in non-aqueous solvents. More specifically, the present invention relates to a non-aqueous dispersant and a non-aqueous dispersion composition containing the non-aqueous dispersant, which can disperse a dispersion in a non-aqueous dispersant at a high concentration with a small amount of addition. It also imparts excellent dispersion stability in aqueous solvents. Background technique [0002] A nonaqueous dispersion composition obtained by dispersing a dispersion such as an organic powder or an inorganic powder in a nonaqueous solvent is used in various industrial fields. Examples of organic powders include organic pigments, and non-aqueous dispersion compositions containing organic pigments are used in paints, printing i...

Claims

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Application Information

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IPC IPC(8): C08G65/332C08G65/08C08G65/06B01F17/52C09K23/00C09K23/44C09K23/52
CPCC08G65/06C08G65/08C08G65/3326C09K23/00Y02E60/10
Inventor 小田和裕松井龙也
Owner NIPPON OIL & FATS CO LTD
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