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Bisphenol A type polyaromatic ether ketone water-based fluid dispersion and preparation thereof

A water-based dispersion, polyaryletherketone technology, applied in the direction of polyether coatings, coatings, etc., can solve the problems of no crosslinking reaction and high processing temperature, and achieve the effect of reducing costs and expanding the scope of application

Inactive Publication Date: 2008-11-12
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantage of the background technology is that the above-mentioned polyarylethersulfone polymers cannot undergo crosslinking reaction under low temperature or ultraviolet light conditions, which makes the processing temperature in the process of preparing the polyarylethersulfone water-based dispersion liquid into a coating process high.

Method used

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  • Bisphenol A type polyaromatic ether ketone water-based fluid dispersion and preparation thereof
  • Bisphenol A type polyaromatic ether ketone water-based fluid dispersion and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 4 g of polyvinylpyrrolidone (PVP) was dissolved in 240 ml of chloroform, and then 72 g of bisphenol A type polyaryletherketone was dissolved in the above solution.

[0028] Dissolve 8g of sodium dodecylbenzenesulfonate in 280ml of deionized water; pour the aqueous solution of sodium dodecylbenzenesulfonate into the colloid mill, then slowly add the bisphenol A polyaryletherketone solution into the colloid mill , dispersed to prepare bisphenol A polyaryletherketone emulsion.

[0029] Pour the prepared bisphenol A polyaryletherketone emulsion containing an organic solvent into a 1000 ml three-necked flask equipped with a ventilation device, a stirring device, and a condensing device, and heat the three-necked flask in a water bath, and the temperature is controlled at 50 to 55 ℃ for 2-3 hours, then continue to heat up to 64-65°C until no organic solvent evaporates; then raise the temperature to 66-75°C, keep the temperature for 0.5-1 hour, stop heating, stir and discharge...

Embodiment 2

[0031] Dissolve 72g of bisphenol-A polyaryletherketone in 240ml of chloroform to prepare a bisphenol-A polyaryletherketone solution.

[0032] Dissolve 8 g of sodium dodecylbenzenesulfonate in 280 ml of deionized water. Pour the sodium dodecylbenzene sulfonate aqueous solution into the colloid mill, then slowly add the bisphenol A polyaryletherketone solution into the colloid mill, and disperse to prepare the bisphenol A polyaryletherketone emulsion.

[0033] Pour the prepared bisphenol A polyaryletherketone emulsion containing an organic solvent into a 1000 ml three-necked flask equipped with a ventilation device, a stirring device, and a condensing device, and heat the three-necked flask in a water bath, and the temperature is controlled at 50 to 55 ℃ for 2-3 hours, then continue to heat up to 64-65°C until no organic solvent evaporates; then raise the temperature to 66-75°C, keep the temperature for 0.5-1 hour, stop heating, stir and discharge to obtain bisphenol A polystyre...

Embodiment 3

[0035] 0.6 g of polyvinylpyrrolidone (PVP) was dissolved in 130 ml of chloroform, and then 11.4 g of bisphenol A type polyaryletherketone was dissolved in the above solution.

[0036] Dissolve 1.2g of sodium dodecylbenzenesulfonate in 100ml of deionized water; pour the aqueous solution of sodium dodecylbenzenesulfonate into the colloid mill, then slowly add the bisphenol A polyaryletherketone solution into the colloid mill In, dispersed, prepared bisphenol A type polyaryletherketone emulsion.

[0037] Pour the prepared bisphenol A polyaryletherketone emulsion containing an organic solvent into a 1000 ml three-necked flask equipped with a ventilation device, a stirring device, and a condensing device, and heat the three-necked flask in a water bath, and the temperature is controlled at 50 to 55 ℃ for 2-3 hours, then continue to heat up to 64-65°C until no organic solvent evaporates; then raise the temperature to 66-75°C, keep the temperature for 0.5-1 hour, stop heating, stir a...

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Abstract

The invention provides a bisphenol-A poly (aryl ether ketone) water-based dispersion and a method for preparing the same, belonging to the polymer water-based paint technical field. The compositions of the bisphenol-A poly (aryl ether ketone) water-based dispersion comprises bisphenol-A poly (aryl ether ketone), surface active agent and water, wherein, the surface active agent is dodecyl benzene sulfonate or dodecyl sodium sulfate. The preparing method comprises the following steps of: preparing bisphenol-A poly (aryl ether ketone) polymer solution, preparing latex and steaming organic solvent. The bisphenol-A poly (aryl ether ketone) water-based dispersion can be used during preparing heat-resisting paint or paint polymer, and can be combined with fluor resin to prepare various paints, thereby improving the service temperature and the solvent resistance of bisphenol-A poly (aryl ether ketone) paint. The bisphenol-A poly (aryl ether ketone) water-based dispersion and the method for preparing the same enlarge the application range of bisphenol-A poly (aryl ether ketone) polymer engineering materials, and meet the requirement of environmental protection.

Description

technical field [0001] The invention belongs to the technical field of polymer water-based coatings, and mainly relates to a bisphenol A polyaryletherketone water-based dispersion used for heat-resistant coatings or as coatings. Background technique [0002] The prior art close to the present invention is patent CN1663983, which discloses a water-based polyarylethersulfone dispersion, that is, a dispersion of polyarylethersulfone polymers dispersed in an aqueous solution. [0003] The disadvantage of the background technology is that the above-mentioned polyarylethersulfone polymers cannot undergo crosslinking reaction under low temperature or ultraviolet light conditions, which makes the processing temperature in the process of preparing the polyarylethersulfone water-based dispersion liquid into a coating process high. Contents of the invention [0004] The technical problem to be solved in the present invention is to prepare bisphenol A polyaryletherketone water-based d...

Claims

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Application Information

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IPC IPC(8): C08L71/10C08J3/07C09D171/10
Inventor 关绍巍井丽巍刘佰军姜振华
Owner JILIN UNIV
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