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Emulsion for high-gloss acrylic paint and containing modified graphene and preparation method thereof

A technology of acrylic pigment and graphene, which is applied in the field of pigment emulsion, can solve the problems of uneven dispersion and uneven conductivity, and achieve the effects of uniform dispersion, uniform conductivity and excellent stability

Active Publication Date: 2019-03-19
广州锋凌新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the easiest ways is to take advantage of the remarkable properties of graphene and add it directly to the composite material, but adding it directly to the composite material has disadvantages such as uneven dispersion and uneven conductivity.

Method used

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  • Emulsion for high-gloss acrylic paint and containing modified graphene and preparation method thereof
  • Emulsion for high-gloss acrylic paint and containing modified graphene and preparation method thereof
  • Emulsion for high-gloss acrylic paint and containing modified graphene and preparation method thereof

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Embodiment 1

[0037] The preparation of graphene uses tea polyphenols to reduce graphene oxide (GO), including the following steps: add 0.15g of newly purchased tea polyphenols and 120ml of distilled water, then add 0.05g of graphene oxide, pass N 2 Under the conditions of 60% power ultrasound for 1h, after ultrasound, graphene slurry was obtained in a water bath at 94℃ for 2-3h (the infrared spectrum is as figure 1 , The transmission electron microscope (TEM) image is as figure 2 ).

[0038] Among them, the preparation of graphene oxide refers to the improved Hummer method (Hummer WS, Offeman RE. Preparation of graphitic oxide [J]. Journal of the American Chemical Society, 1958, 80(6): 1339-1339.).

[0039] Put 0.5g graphene slurry in a beaker and add distilled water, ultrasonically crush for 0.5-1h, add 4g oleic acid, heat it in a water bath at 80℃ for 1h, then cool to 30℃, then add 2g sodium lauryl sulfate , React at a constant temperature for 2h, after cooling to room temperature, separate t...

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Abstract

The invention discloses an emulsion for high-gloss acrylic paint and containing modified graphene and a preparation method thereof. The emulsion obtained by adding oleic acid-lauryl sodium sulfate modified graphene forms a conductive path uniform in dispersity and conductivity, the problem that conventional methods in which graphene is added directly are low in dispersity and nonuniform in conductivity is solved, the emulsion has excellent heat resistance and stability, and thermal performance is improved by 50 DEG C when compared with a pure acrylic emulsion without modified graphene; the emulsion is high in gloss up to higher than 80.6.

Description

Technical field: [0001] The invention relates to an emulsion for pigments, in particular to an emulsion for high-gloss acrylic pigments containing modified graphene and a preparation method thereof. Background technique: [0002] Acrylic pigment is a synthetic polymer pigment. It has excellent properties that other art pigments can't match. It can be painted on various carriers and has outstanding effects. Therefore, since its appearance in the 1950s, it has been favored by many painters. Especially in European and American countries, acrylic paint has become the painter's first choice and is gradually replacing traditional oil painting, watercolor and gouache. Acrylic paint can be thickly coated like an oil painting, or it can be extremely diluted like a watercolor, and maintain bright colors. It can be widely used and replace other traditional paints. [0003] In recent years, with the development of the painting industry, people's requirements for painting pigments have become ...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F220/18C08F220/06C08F2/26C08F2/30C08K9/04C08K3/04C09D5/06
CPCC08F2/26C08F2/30C08F220/14C08K9/04C09D5/06C08K3/042C08F220/1804C08F220/06
Inventor 李全涛李应林庹斌峰徐祖顺
Owner 广州锋凌新材料科技有限公司
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