Application of aromatic polyamide material in waterborne coating filling agent

A technology of aromatic polyamide and water-based paint, applied in the direction of coating, etc., can solve the problem of no aromatic polyamide, etc., and achieve the effect of less mass fraction, good dispersion stability and good storage stability

Active Publication Date: 2018-09-14
YANTAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] But so far there is no relevant literature or report on the application of

Method used

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  • Application of aromatic polyamide material in waterborne coating filling agent
  • Application of aromatic polyamide material in waterborne coating filling agent
  • Application of aromatic polyamide material in waterborne coating filling agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] 1) Add zirconia beads with a diameter of 5 mm into the grinding jar, and then add 1,3,5-benzenetricarboxylic acid chloride and 1,4-p-phenylenediamine. Grind with a ball mill for 10 minutes at a speed of 600 rpm; and control the molar ratio of the acid chloride to the primary amine to be 0.99:1.0 to obtain the product, and the mass ratio of the aromatic polyamide compound in the product is 80%.

[0039] Such as figure 1 The microscopic morphology of the product shown, the scale bar in the figure is 100 μm, the aromatic polyamide of the product has a lamellar structure, the side length is less than 20-30 μm, and the size dispersion is small. figure 2 It is the Fourier infrared spectrogram of the product after drying, at a wave number of 3300cm -1 The absorption peak at is attributed to the absorption peak of the amine group, at a wave number of 1650cm -1 The absorption peak at is due to the C=O in the amide group, at a wave number of 1510cm -1 The absorption peak at i...

Embodiment 2

[0046] 1) Add zirconia beads with a diameter of 5 mm into the grinding jar, and then add 1,3,5-benzenetricarboxylic acid chloride and 4,4'-diaminodiphenylmethane. Grinding with a ball mill for 3 minutes at a speed of 900 rpm; and controlling the molar ratio of the acid chloride to the primary amine to be 0.5:1.0 to obtain the product, and the mass ratio of the aromatic polyamide compound in the product is 82%.

[0047] 2) The product was first neutralized with 15 mL of 5% sodium hydroxide aqueous solution, and then separated by a centrifuge. The obtained solid product was first washed with absolute ethanol until the supernatant was colorless, and then washed with deionized water until the water phase was neutral. Then, the product was dispersed in the solvent N,N-dimethylacetamide (prepared to a concentration of 2 mg / mL) for use.

[0048] 3) Take the above dispersion and mix it with water-based paint (0.15% added to the aromatic polyamide layered material). After the paint fi...

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Abstract

The invention provides application of an aromatic polyamide material in a waterborne coating filling agent and belongs to the technical field of waterborne coating. Meanwhile, the invention provides an application method of the aromatic polyamide material to the waterborne coating filling agent; the prepared aromatic polyamide material is prepared into an aromatic polyamide material dispersion solution; then the aromatic polyamide material dispersion solution is mixed with waterborne coating. An experiment proves that after the coating prepared by taking the aromatic polyamide material as thewaterborne coating water-resisting filling agent is constructed, the water-resisting performance of an obtained coating layer is obviously improved, and original color and transparency of the coatingare not influenced.

Description

technical field [0001] The invention belongs to the technical field of water-based coatings, and in particular relates to the application of aromatic polyamide materials in water-based coatings or water-based resin water-resistant fillers. Background technique [0002] Water-based coatings are mainly composed of four major components: water, water-based resins, pigments and fillers, and additives. Since water is used as a solvent or dispersion medium, water-based coatings are non-toxic and environmentally friendly, contain less volatile organic compounds, have low odor, do not explode, do not burn, and are very safe in production, storage, transportation, and use. Therefore, with the continuous enhancement of people's safety, environmental protection and health awareness, water-based coatings are becoming more and more popular. It is an inevitable trend for the development of the coatings industry to replace oil-based coatings with water-based coatings. Many provinces and c...

Claims

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Application Information

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IPC IPC(8): C09D7/65C08G69/32
CPCC08G69/32
Inventor 郑耀臣李炯名张谦姜梦林
Owner YANTAI UNIV
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