Preparation method for water-based epoxy primer and application of water-based epoxy primer to carbon fibre bicycle

A water-based epoxy resin, water-based epoxy resin technology, applied in epoxy resin coatings, devices for coating liquid on surfaces, coatings, etc. and other problems, to achieve the effect of simplifying the coating process, simple preparation method and reducing damage

Inactive Publication Date: 2017-09-26
TAISHAN SPORTS IND GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nowadays, not only the requirements for the material of the bicycle itself are high, but also the requirements for the paint used in the bicycle are getting higher and higher. Most of the exterior coating of composite material bicycles is achieved by spraying, and the coating materials are mostly oil-based paints. Four coatings, four baking, four Five-coating, five-coating and five-baking, six-coating and six-baking methods, the process is cumbersome and complicated, and the emission of volatile organic compounds (VOC) is large, which causes great harm to the human body and the environment. Therefore, many companies are trying to switch to environmentally friendly water-based coatings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The manufacturing steps of the water-based epoxy primer of this embodiment are:

[0020] Take 100 parts of water-based epoxy resin, add 0.3 parts of thickener and 0.3 parts of substrate wetting agent to it, stir evenly, add 22 parts of water-based epoxy curing agent, and then add distilled water and adjust the viscosity to 20-40s, get water-based epoxy primer.

[0021] The solid content of the water-based epoxy resin is 53%, the epoxy equivalent is 515 g / eq, and the viscosity at 25° C. is 500-5000 cps.

[0022] The solid content of the water-based epoxy curing agent is 50%, and the active hydrogen equivalent is 270 g / eq.

[0023] The steps for spraying carbon fiber bicycles with the prepared waterborne epoxy primer are:

[0024] First use a sandblasting machine to process carbon fiber bicycle parts, apply 60# British sand on the surface of the bicycle parts, spray off the release agent, pollution, glue, etc., use 180# sandpaper to polish, and then use a 1.5mm spray gun Spray th...

Embodiment 2

[0026] Take 200 parts of water-based epoxy resin, add 0.4 parts of thickener and 0.4 parts of substrate wetting agent to it, stir evenly, add 45 parts of water-based epoxy curing agent, and then add distilled water and adjust the viscosity to 20-40s, get water-based epoxy primer.

[0027] Spray the carbon fiber bicycle with the prepared waterborne epoxy primer.

[0028] The rest is the same as the first embodiment.

Embodiment 3

[0030] Take 200 parts of water-based epoxy resin, add 0.7 parts of thickening agent and 0.7 parts of substrate wetting agent to it, stir well, add 42 parts of water-based epoxy curing agent, and then add distilled water to adjust the viscosity to 20 -40s to obtain a water-based epoxy primer.

[0031] Spray the carbon fiber bicycle with the prepared waterborne epoxy primer.

[0032] The rest is the same as the first embodiment.

[0033] The water-based epoxy primer of the present invention is non-toxic and environmentally friendly, and is suitable for the use of primers for carbon fiber bicycle frames and accessories. The water-based epoxy primer has very little VOC content, greatly reduces environmental pollution, and can reduce physical damage to operators hurt.

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Abstract

The invention relates to the technical field of carbon fibre bicycle coating, in particular to a preparation method for water-based epoxy primer and application of the water-based epoxy primer to a carbon fibre bicycle. The preparation method comprises the following steps: mixing water-based epoxy resin and a water-based epoxy curing agent in a proportion, and then regulating the viscosity to obtain the water-based epoxy primer. The water-based epoxy primer is non-toxic and environment-friendly, and is applicable to the primer of a carbon fibre bicycle frame and accessories; the pollution to the environment caused by the water-based epoxy primer is greatly reduced; the damage to the body of an operator can be reduced; the preparation method is simple; a coating process can be simplified; the production efficiency can be improved; the water-based epoxy primer can be applied to various parts of the carbon fibre bicycle.

Description

(1) Technical field [0001] The invention relates to the technical field of carbon fiber bicycle coatings, in particular to a method for preparing a water-based epoxy primer and its application on carbon fiber bicycles. (2) Background technology [0002] In recent years, as environmental pollution has become more serious and the concept of environmental protection has taken root in the hearts of the people, low-carbon, environmentally friendly and healthy bicycle travel has become more and more popular among the people. Carbon fiber bicycles have gradually replaced metal bicycles because of their light weight, high strength, diverse shapes, and good shock absorption, and have been widely used in the production of various middle and high-end bicycles. [0003] Nowadays, not only the high requirements for the materials of the bicycle itself, but also the higher and higher requirements for the coatings used on the bicycles, the appearance of composite bicycles is mostly realized by spr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00B05D3/00B05D7/24
CPCC09D163/00B05D3/002B05D7/24B05D2504/00
Inventor 王振学王春青张志超王占财王真真姚学峰徐培明卞志勇
Owner TAISHAN SPORTS IND GRP
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