Application of a sulfur/phosphorus hybrid polyether modified polycarboxylic acid

A technology of compounding polyether and polycarboxylic acid, which is applied in the application field of sulfur/phosphorus hybridized polyether modified polycarboxylic acid, can solve the problems of high dispersant dosage and low dispersion efficiency, so as to enhance dispersibility and expand application range, the effect of low temperature

Active Publication Date: 2021-09-24
中科广化(重庆)新材料研究院有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention relates to the technical field of coatings, in which the phthalocyanine blue powder has a high dispersion content, but the amount of dispersant is too high and the dispersion efficiency is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Weigh 20g of acrylic acid, 10g of APEG and 50g of water, stir evenly, and heat up to 50°C.

[0034] (2) Add 2 g of potassium permanganate solution with a mass concentration of 1%, keep stirring, and react at 50° C. for 6 h.

[0035] (3) Add 18 g of sodium polysulfide solution with a mass concentration of 20%, stop heating, continue stirring for 30 min, and cool down to room temperature to obtain sulfur / phosphorus polyether modified polycarboxylic acid.

[0036] Sulfur / phosphorylated polyether modified polycarboxylic acid is used as a dispersant to test the dispersibility of organic pigments: take the example of dispersing organic pigment copper phthalocyanine, add 5% of the dispersant (accounting for water mass fraction) in water, mix Uniformly obtain an aqueous solution containing a dispersant, and then gradually add copper phthalocyanine solid powder into the aqueous solution under magnetic stirring at 200 rpm until the copper phthalocyanine in the aqueous solutio...

Embodiment 2

[0039] (1) Weigh 30g of acrylic acid, 6g of TPEG and 43.9g of water, stir evenly, and heat up to 100°C.

[0040] (2) Add 0.1 g of potassium dichromate solution with a mass concentration of 2%, continue stirring, and react at 100° C. for 2 hours.

[0041] (3) Add 20 g of sodium hypophosphite solution with a mass concentration of 30%, stop heating, continue stirring for 30 min, and cool down to room temperature to obtain a sulfur / phosphorylated polyether-modified polycarboxylic acid.

[0042] Sulfur / phosphorylated polyether modified polycarboxylic acid is used as a dispersant to test the dispersibility of organic pigments: take the example of dispersing organic pigment copper phthalocyanine, add 5% of the dispersant (accounting for water mass fraction) in water, mix Uniformly obtain an aqueous solution containing a dispersant, and then gradually add copper phthalocyanine solid powder into the aqueous solution under magnetic stirring at 200 rpm until the copper phthalocyanine in ...

Embodiment 3

[0045] (1) Weigh 28g of acrylic acid, 1g of polyethylene glycol-polypropylene glycol block copolymer and 43g of water, stir evenly, and heat up to 80°C.

[0046] (2) Add 10 g of ammonium persulfate solution with a mass concentration of 5%, continue stirring, and react at 80° C. for 3 h.

[0047] (3) Add 18 g of sodium dimethyl dithiocarbamate solution with a mass concentration of 10%, stop heating, continue stirring for 30 min, and cool down to room temperature to obtain sulfur / phosphorus polyether modified polycarboxylic acid.

[0048] Sulfur / phosphorylated polyether modified polycarboxylic acid is used as a dispersant to test the dispersibility of organic pigments: take the example of dispersing organic pigment copper phthalocyanine, add 5% of the dispersant (accounting for water mass fraction) in water, mix Uniformly obtain an aqueous solution containing a dispersant, and then gradually add copper phthalocyanine solid powder into the aqueous solution under magnetic stirring a...

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PUM

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Abstract

The invention discloses the application of a sulfur / phosphorus polyether modified polycarboxylic acid. The application in the fields of coatings, inks, ceramics, adhesives and solar cells is specifically: the sulfur / phosphorus polyether modified polycarboxylic acid is used to disperse organic pigments in water or aqueous solution. The sulfur / phosphorus polyether modified polycarboxylic acid is prepared by the following method: uniformly mix 10-30 parts by mass of acrylic acid, 1-10 parts by mass of polyether and 20-50 parts by mass of water, and heat up to 50-100 ℃, then add 0.1-10 parts by mass of initiator solution, keep the temperature for 2-6 hours, and add 6-20 parts by mass of chain transfer agent solution to terminate the reaction. The preparation method has wide sources of raw materials, green preparation, convenient use and environmental protection. The invention overcomes the problem that the organic pigment copper phthalocyanine is difficult to disperse in water, and broadens the application of the copper phthalocyanine. The copper phthalocyanine aqueous dispersion can be used in coatings, inks, ceramics, adhesives, solar cells and other fields.

Description

technical field [0001] The invention belongs to the field of pigment dispersants, and in particular relates to the application of a sulfur / phosphorus hybrid polyether modified polycarboxylic acid. Background technique [0002] Copper phthalocyanine was discovered in the 1930s and attracted attention due to its surprising stability to concentrated acids, alkalis, and high temperatures. Copper phthalocyanine molecules have a large conjugated system, which not only has excellent chemical stability, thermal stability, flame retardancy, light resistance and radiation resistance, but also has electrical conductivity, photoconductivity, gas sensitivity, electrical Luminescence, optical storage, catalytic activity and biomimetic properties. At present, copper phthalocyanine is developing into a multifunctional material, which will be widely used in industry and daily life, such as pigments, dyes, inks, solar cells, organic semiconductors with sensitive properties to gases, etc. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F17/44C09B67/20C08F283/06C08F220/06C08F2/38C09K23/44
CPCC09B67/0067C09B67/0032C08F283/06C08F283/065C09K23/14
Inventor 宋斌黄月文王斌
Owner 中科广化(重庆)新材料研究院有限公司
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