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High-gloss ethanol-tolerance water-based acrylic acid amino glass winebottle stoving varnish as well as preparation method and application thereof

A technology of acrylic acid amino and water-soluble acrylic acid, which is applied in coatings, pigment pastes, epoxy resin coatings, etc. It can solve the problems of poor recoatability, poor resistance to ethanol and alcohol, and low gloss. Achieving excellent ethanol resistance

Inactive Publication Date: 2014-01-01
中山蓝海洋水性涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the water-based wine bottle paints currently on the market usually have low gloss (less than 90°), poor resistance to ethanol and alcohol, and poor recoatability (adhesion ≥ 2 after recoating), etc. Questions and Problems

Method used

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  • High-gloss ethanol-tolerance water-based acrylic acid amino glass winebottle stoving varnish as well as preparation method and application thereof
  • High-gloss ethanol-tolerance water-based acrylic acid amino glass winebottle stoving varnish as well as preparation method and application thereof
  • High-gloss ethanol-tolerance water-based acrylic acid amino glass winebottle stoving varnish as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0074] The preparation method of above-mentioned glass wine bottle baking varnish comprises the following steps:

[0075] a. Preparation of color paste: Add epoxy modified water-soluble acrylic resin and water into the dispersion tank, disperse at a medium speed of 600-800r / min for 15 minutes, then slowly add co-solvent, toner, defoamer, dispersant and wetting agent agent, high speed 1000~1500r / min disperse for 25~35min, grind the high speed dispersed slurry twice with a sand mill, and prepare the color paste for later use;

[0076] b. Preparation of component 1: Add epoxy modified water-soluble acrylic resin, partially methylated melamine formaldehyde resin and water into the dispersion tank, disperse at a medium speed of 600-800r / min for 15min, then slowly add leveling agent to thicken agent and the color paste prepared in step a, disperse at a high speed of 1000-1500r / min for 30-35min, take a sample to detect that the finished product fineness of component 1 is less than or...

Embodiment 1

[0084] Prepare color paste:

[0085] Epoxy modified water-soluble acrylic resin 67%, water 15%, cosolvent 9%, toner 7%, defoamer 0.8%, dispersant 0.7%, wetting agent 0.5%;

[0086] Add epoxy-modified water-soluble acrylic resin and water into the dispersion tank, disperse at a medium speed of 800r / min for 15min, then slowly add cosolvent, toner, defoamer, dispersant and wetting agent, and disperse at a high speed of 1500r / min for 25min , use a sand mill to grind the high-speed dispersed slurry twice to prepare the color paste for later use;

[0087] Preparation component 1:

[0088] 12% epoxy modified water-soluble acrylic resin, 7.9% partially methylated melamine formaldehyde resin, 18.8% water, 0.8% naphthalenesulfonic acid catalyst, 0.1% leveling agent, 0.4% thickener, 60% color paste;

[0089] Add epoxy-modified water-soluble acrylic resin, partially methylated melamine formaldehyde resin and water into the dispersion tank, and disperse at a medium speed of 800r / min for...

Embodiment 2

[0097] Prepare color paste:

[0098] Epoxy modified water-soluble acrylic resin 63.3%, water 16%, cosolvent 8%, toner 11%, defoamer 0.4%, dispersant 1.0%, wetting agent 0.3%;

[0099] Add epoxy-modified water-soluble acrylic resin and water into the dispersion tank, disperse at a medium speed of 700r / min for 15min, then slowly add cosolvent, toner, defoamer, dispersant and wetting agent, and disperse at a high speed of 1300r / min for 30min , use a sand mill to grind the high-speed dispersed slurry twice to prepare the color paste for later use;

[0100] Preparation component 1:

[0101] 13% epoxy modified water-soluble acrylic resin, 7% partially methylated melamine formaldehyde resin, 25% water, 0.8% naphthalenesulfonic acid catalyst, 0.1% leveling agent, 0.5% thickener, 53.6% color paste;

[0102] Add epoxy-modified water-soluble acrylic resin, partially methylated melamine formaldehyde resin and water into the dispersion tank, disperse at a medium speed of 700r / min for 15...

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Abstract

The invention discloses high-gloss ethanol-tolerance water-based acrylic acid amino glass winebottle stoving varnish as well as a preparation method and application thereof. The stoving varnish comprises compositions 1, a composition 2 and prepared slurry. Epoxy modified water-soluble acrylic resin is utilized to coordinate with partial methylated melamine formaldehyde resin and a naphthalene sulfonic acid catalyst, and before the use of the glass winebottle stoving varnish, the epoxy modified water-soluble acrylic resin, the partial methylated melamine formaldehyde resin and the naphthalene sulfonic acid catalyst are mixed with a glycidoxypropyltrimethoxysilane coupling agent to dilute, so that the glass winebottle stoving varnish baked at the temperature of 150-180 DEG C has sky-high paint film glossiness, excellent ethanol-tolerance and repainting performance, and outstanding paint film adhesive force, and the VOC content of the product is greatly reduced. According to the invention, the TVOC of the glass winebottle stoving varnish product can be controlled below 106 g / L, and is far smaller than the limited value of 250 g / L required by the strictest environmental protection standard (HJ / T201-2005) in the paint industry, so that the environmental protection performance of the water-based amino glass winebottle stoving varnish is greatly highlighted.

Description

technical field [0001] The invention relates to a glass wine bottle baking varnish and a preparation method thereof, in particular to a high-gloss ethanol-resistant water-based acrylic amino glass wine bottle baking varnish, a preparation method and an application thereof. Background technique [0002] Glass bottle paints are divided into oily glass bottle paints and water-based glass bottle paints because of their different dispersion media. Oily glass wine bottle paint is a relatively commonly used material in the market at present. It has been widely promoted and applied for a long time, and it is relatively mature and popular. When using oily glass wine bottle paint, it is necessary to add more than 50% of organic solvents (toluene, xylene, industrial alcohol, etc.); During the application process and drying process, it will continuously volatilize into the air or be absorbed by the human body, which will seriously damage the environment and harm human health. Water-ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D161/32C09D7/12C09D17/00
Inventor 陈小文蒋建伟蒋建平肖国钦
Owner 中山蓝海洋水性涂料有限公司
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