High-temprature-resisting, mildew-proof and antibacterial type nano waterborne baking finish and preparation method thereof

A mildew-proof, antibacterial and high-temperature-resistant technology, applied in the field of coatings, can solve the problems of short shelf life, weak adhesion, and high temperature resistance, and achieve the effects of long shelf life, strong adhesion, and no toxic and side effects.

Active Publication Date: 2018-09-14
ZHUHAI CBB CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are also some baking varnish products with short shelf life, weak adhesion, no high temperature resistance, and easy yellowing. The bigger problem is that water-based baking varnishes need to be baked at high temperatures. Commonly added anti-fungal agents will lose all or part of their effectiveness after high-temperature baking. This problem will be more serious after adding inorganic nanomaterials

Method used

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  • High-temprature-resisting, mildew-proof and antibacterial type nano waterborne baking finish and preparation method thereof
  • High-temprature-resisting, mildew-proof and antibacterial type nano waterborne baking finish and preparation method thereof
  • High-temprature-resisting, mildew-proof and antibacterial type nano waterborne baking finish and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A high-temperature-resistant mildew-proof and antibacterial nano-water-based baking varnish, comprising the following components in parts by weight:

[0033]

[0034] The preparation method of the high-temperature-resistant mildew-proof and antibacterial nano water-based baking varnish comprises the following steps:

[0035] Weigh the surface active wetting agent, nano-titanium dioxide, additives, and water-based acrylic resin in parts, then add deionized water A, stir evenly, and then disperse at high speed until the fineness is below 10 microns, and then add part of methyl etherified amino resin , high methyl etherified amino resin, epoxy modified silane coupling agent, dimethylaminoethanol, propylene glycol methyl ether, deionized water B, stir evenly, and pack after passing the test.

[0036] The shelf life of the product of this embodiment can reach more than 36 months, and it will not decompose or change color when baked at 180 degrees Celsius for more than 60 ...

Embodiment 2

[0038] A high-temperature-resistant mildew-proof and antibacterial nano-water-based baking varnish, comprising the following components in parts by weight:

[0039]

[0040]The preparation method of the high-temperature-resistant mildew-proof and antibacterial nano water-based baking varnish comprises the following steps:

[0041] Weigh the surface active wetting agent, nano-titanium dioxide, additives, and water-based acrylic resin in parts, then add deionized water A, stir evenly, and then disperse at high speed until the fineness is below 10 microns, and then add part of methyl etherified amino resin , high methyl etherified amino resin, epoxy modified silane coupling agent, dimethylaminoethanol, propylene glycol methyl ether, deionized water B, stir evenly, and pack after passing the test.

[0042] The shelf life of the product of this embodiment can reach more than 36 months, and it will not decompose or change color when baked at 180 degrees Celsius for more than 60 m...

Embodiment 3

[0044] A high-temperature-resistant mildew-proof and antibacterial nano-water-based baking varnish, comprising the following components in parts by weight:

[0045]

[0046]

[0047] The preparation method of the high-temperature-resistant mildew-proof and antibacterial nano water-based baking varnish comprises the following steps:

[0048] Weigh the surface active wetting agent, nano-titanium dioxide, additives, and water-based acrylic resin in parts, then add deionized water A, stir evenly, and then disperse at high speed until the fineness is below 10 microns, and then add part of methyl etherified amino resin , high methyl etherified amino resin, epoxy modified silane coupling agent, dimethylaminoethanol, propylene glycol methyl ether, deionized water B, stir evenly, and pack after passing the test.

[0049] The shelf life of the product of this embodiment can reach more than 36 months, and it will not decompose or change color when baked at 180 degrees Celsius for m...

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Abstract

The invention discloses high-temprature-resisting, mildew-proof and antibacterial type nano waterborne baking finish and a preparation method thereof. The baking finish is prepared from the followingcomponents in parts by weight: 10 to 40 parts of de-ionized water, 0.5 to 3.0 part of surface active wetting agent, 5 to 20 parts of nano titanium dioxide, 0 to 35 parts of auxiliary agent, 30 to 60 parts of waterborne acrylic resin, 4 to 12 parts of partially methylated amino resin, 2 to 6 parts of highly methylated amino resin, 1 to 5 parts of epoxy modified silane coupling agent, 5 to 10 partsof propylene glycol methyl ether and 1 to 3 parts of dimethylamino ethanol. The baking finish disclosed by the invention does not contain heavy metal, is safe and environmentally friendly and has no toxic and side effects, and meets REAH and ROHS; the baking finish can be used for food-grade package and passes through American FDA (Food and Drug Administration) authentication; the baking finish has a long-acting mildew-proof effect and the mildew-proof effect keeps 98 percent or more after five years; the baking finish has a strong adhesive force, can be used for hardware and also can be usedfor glass and ceramic base materials; the baking finish resists high temperature and is not decomposed and colored after being baked at 180 DEG C for 60min or more.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a high-temperature-resistant, mildew-proof and antibacterial nanometer water-based baking varnish and a preparation method thereof. Background technique [0002] At present, baking varnish is applied in various fields, its purpose is not only to beautify the surface of the object, but also to prevent the surface of the object from being damaged and corroded. Traditional baking paints are basically oily baking paints, which will cause serious harm to the human body and the environment. Therefore, it is necessary to develop water-based baking varnish, and it is required to have good mechanical strength, high adhesion, aging resistance, corrosion resistance and other properties. If baking varnish is used on food packaging, it is also required that the baking varnish has no toxic side effects, especially for some Long-term storage is required, and hygienic conditions ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/14C09D7/65C09D7/63C09D7/61
CPCC08K2003/2241C08K2201/003C08K2201/011C08K2201/014C08L2201/08C08L2205/025C08L2205/035C09D5/14C09D5/18C09D7/61C09D7/63C09D7/65C09D133/04C08L61/32C08K3/22C08K5/5435
Inventor 胡军余艳锋
Owner ZHUHAI CBB CHEM
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