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Application of d-erythorbic acid and/or its salt in coating, anti-oxidation coating and preparation method thereof

An anti-oxidation coating and anti-oxidant technology, applied in the field of coatings, can solve the problems of oxidation, fading, and peeling of the paint surface of the coating, and achieve the effect of low cost, excellent performance and safe use

Active Publication Date: 2021-02-09
郑州拓洋生物工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, long-term exposure to the air can easily lead to oxidation, fading, cracking or even peeling off of the paint surface

Method used

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  • Application of d-erythorbic acid and/or its salt in coating, anti-oxidation coating and preparation method thereof
  • Application of d-erythorbic acid and/or its salt in coating, anti-oxidation coating and preparation method thereof

Examples

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preparation example Construction

[0109] According to a third aspect of the present invention, a method for preparing the above-mentioned anti-oxidation coating is provided, comprising the following steps:

[0110] The antioxidant is uniformly mixed with other raw materials in the paint to obtain the antioxidant paint.

[0111] The coating can be prepared according to conventional techniques in the art, and then the antioxidant containing D-isoascorbic acid and / or its salt is added to the coating and mixed evenly. The preparation process is simple to operate and has no adverse effect on the stability of the paint product.

Embodiment 1

[0114] An anti-oxidation interior wall engineering paint, which is composed of the following components: solvent water 30%, antifreeze agent ethylene glycol 0.5%, dispersant AR-1 0.5%, wetting agent SF-1 0.1%, multifunctional additive Codis-99 0.1%, defoamer T-503 0.1%, antioxidant D-sodium erythorbate 0.5%, preservative K55 0.1%, pigment anatase titanium white 3%, filler kaolin 6%, filler heavy calcium (800 mesh ) 20%, filler light calcium (1000 mesh) 10%, filler talc powder (1250 mesh) 8%, film-forming aid alcohol ester-120.5%, defoamer T-503 0.1%, styrene-acrylic emulsion GC-6590 20 %, thickener MS-2 (1:1 water) 0.5%.

Embodiment 2

[0116] An anti-oxidation interior wall engineering paint, composed of the following components: solvent water 20%, antifreeze agent ethylene glycol 0.5%, dispersant AR-1 0.5%, wetting agent 104PG50 0.1%, multifunctional additive Codis- 990.1%, defoamer Tween 0.1%, antioxidant D-sodium erythorbate 0.5%, preservative K550.1%, pigment cobalt blue 3%, filler kaolin 6%, filler heavy calcium (800 mesh) 20%, filler Light calcium (1000 mesh) 10%, filler talc powder (1250 mesh) 8%, film-forming aid ethylene glycol monobutyl ether 0.5%, defoamer T-503 0.1%, styrene-butadiene emulsion L-8242 30%, Thickener MS-2 (1:1 water) 0.5%.

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Abstract

The invention discloses the application of D-erythorbic acid and / or its salt in coatings, an anti-oxidation coating and a preparation method thereof, and relates to the technical field of coatings. The present invention discloses the application of D-erythorbic acid and / or its salt as an antioxidant and color-protecting agent in coatings; the present invention also discloses an antioxidant coating and a preparation method thereof, wherein the antioxidant coating includes an antioxidant, The antioxidants include D-erythorbic acid and / or salts thereof. The invention alleviates the technical defects of weak anti-oxidation ability and easy aging of the current coatings. In the present invention, D-erythorbic acid and its salt are used in the paint to make the paint have excellent anti-oxidation and color protection effects, and can maintain the gloss of the paint surface for a long time, and can effectively slow down the aging of the paint such as oxidation, fading, cracking and falling off. phenomenon, and D-erythorbic acid and its salts are a food-grade antioxidant, safe to use, non-toxic, and non-polluting.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an application of D-erythorbic acid and / or its salt in coatings, an anti-oxidation coating and a preparation method thereof. Background technique [0002] Ascorbic acid and its salt are a new type of food anti-oxidation, anti-corrosion, and fresh-keeping agent, which can effectively reduce the oxidation of food, prevent its color, aroma, and taste from fading, and help the color of meat products and seafood. At the same time, it can also inhibit food The formation of carcinogen nitrite in human body has the functions of lowering blood pressure, diuresis and detoxification in medicine. At present, this product has been widely used in meat, fruit, beverage and other foods. In recent years, the application of ascorbic acid as an antioxidant in the fields of wool spinning, electroplating, feed processing, industrial water treatment and petrochemical industry has gradually been expa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/48C09D125/14C09D109/08C09D133/00C09D175/04C09D5/36C09D7/61C09D7/63C09D7/65
CPCC08K2003/2241C08K2003/265C08L2201/08C08L2205/035C09D5/36C09D109/08C09D125/14C09D133/00C09D175/04C08L1/284C08K13/02C08K3/22C08K3/34C08K3/26C08K5/1535C08K3/346C08L75/04C08L9/08
Inventor 闫世梁任柯张抗史小利刘银霞张生克肖媛苟丽莉曹晓伟崔凤霞曹琳青龚舒李月番王敬臣秦天苍
Owner 郑州拓洋生物工程有限公司
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