Graphene-modified anti-wear water-based glass coating as well as preparation method and application thereof

A technology of graphene modification and glass coating, applied in the direction of epoxy resin coating, coating, etc., can solve the problems of no patents and public reports, etc., and achieve the effect of strong universality, large elastic modulus, and high strength

Active Publication Date: 2013-04-24
芜湖海泰科新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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  • Graphene-modified anti-wear water-based glass coating as well as preparation method and application thereof

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preparation example Construction

[0031] The invention provides a graphene-modified wear-resistant water-based glass coating and a preparation method thereof, which can give full play to the high hardness, high activity, huge specific surface area and superior comprehensive mechanical properties of the graphene ultra-thin two-dimensional sheet structure. Features: after the coating is cured, a two-dimensional self-assembled layer is formed, which has excellent covering ability; at the same time, due to the large number of oxygen-containing groups on the surface of graphene, the good dispersion and compatibility in water, it is almost added to the water-based glass coating. The hardness and wear resistance of water-based glass coatings can be improved without changing the manufacturability of the original water-based coatings. The coating of the invention has the characteristics of high hardness, good abrasion resistance, strong affinity and adhesion with the glass substrate, good water resistance, ethanol resist...

Embodiment 1

[0051] Weigh the raw materials according to the following formula:

[0052] Modified epoxy resin 25%;

[0053] Additive 5%;

[0054] Graphene 1%;

[0055] γ-methacryloxypropyl trimethoxysilane 1%;

[0056] Pigment 5%;

[0057] Water 63%.

[0058] The water dispersion of acrylic modified epoxy resin is used as the matrix resin, and the water dispersion of graphene is used as the raw material to add. Mix the weighed water dispersion of acrylic modified epoxy resin, water dispersion of graphene, additives and pigments in a high-speed disperser with high-speed stirring at a stirring speed of 3500 rpm and stirring for 30 minutes to form a uniform viscous substance; Then reduce the speed to 500 revolutions per minute, add the remaining water in the metering ratio to the mixture, and stir uniformly for 10 minutes; after the defoaming treatment is allowed to stand still, the first coating mixture is obtained. 1-3 hours before use, add 1 % Γ-methacryloxypropyltrimethoxysilane coupling agent was...

Embodiment 2

[0059] Example 2: This example is different from Example 1 in that the weight ratio of graphene is 2% and the hardness is 5H.

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Abstract

The invention discloses a graphene-modified anti-wear water-based glass coating, which comprises a first component and a second component, wherein the first component is a base film forming agent and comprises 20-40% of modified epoxy resin, 0.5-7% of additive, 0.1-5% of graphene, 1-2% of coupling agent and the balance of water in percentage by weight; the second component is an amine curing agent; the first component is mixed with the second component in the using process; and the weight percentage of the second component in a mixture is 3-30%. The coating has the characteristics of high hardness, good wear resistance, high affinity and adhesion with a glass base, water resistance, good ethanol resistance and the like, and meets the green environment-friendly development trend and requirement. In addition, the coating is simple to prepare and convenient to use, and has an important commercial application value.

Description

Technical field [0001] The invention relates to a glass coating and a preparation method and application thereof, in particular to a graphene-modified wear-resistant water-based glass coating and a preparation method and application thereof. Background technique [0002] The development of glass coatings from solvent-based to water-based is an inevitable trend for glass jewelry, handicrafts, glass containers and wine bottles to adapt to the development of environmental protection requirements. It has gradually replaced traditional solvent-based coatings and occupied the mainstream of the market. And with the continuous expansion of the application field, higher and higher requirements are put forward for the functional characteristics of glass coatings, which have far exceeded the requirements of traditional decoration and beautification, and the properties of wear resistance, scratch resistance, and weather resistance have been proposed. In order to achieve higher requirements, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D163/10C09D7/12C03C17/32
Inventor 陈名海董其宝
Owner 芜湖海泰科新材料有限公司
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