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A kind of degradable environmental protection coating and preparation method thereof

An environmentally friendly coating and environmental protection technology, applied in the direction of lignin coating, starch derivative coating, coating, etc., can solve the problems such as not easy to clean, and achieve the effect of improving the open time and viscous strength

Active Publication Date: 2018-05-11
ASIA PAINT SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the use of oil-resistant plasticizers can modify the properties of the paint film, so that the paint film can achieve the properties of water resistance, easy cleaning, and increased strength, which overcomes the defects of water seepage, not easy to clean, and softness of traditional pulp; the use of natural polarity Negative ion minerals can release hydroxyl negative ions for a long time and achieve high-efficiency antibacterial properties; the beating denatured wood pulp solution is selected as the main film-forming substance, which can realize the function of natural degradation and also have the function of covering cracks on the wall surface; use oxidatively modified tapioca starch It can improve the workability of the coating, and the use of tapioca starch can also achieve the degradation function, and at the same time improve the opening time and viscosity strength of the coating; the inorganic filler can play a filling role

Method used

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  • A kind of degradable environmental protection coating and preparation method thereof
  • A kind of degradable environmental protection coating and preparation method thereof
  • A kind of degradable environmental protection coating and preparation method thereof

Examples

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preparation example Construction

[0037] The present invention also provides a preparation method of the degradable environmental protection coating described in any of the above embodiments, comprising the following steps:

[0038] 1: Weigh the corresponding water according to the formula and pour it into the reaction kettle, turn on the mixer, adjust the speed to 800r / min, add some low-odor environmental protection additives in turn, and stir for 5 minutes;

[0039] 2: Add titanium dioxide, oxidatively modified tapioca starch, and inorganic filler in turn, adjust the speed to 1200r / min, and stir for 40min;

[0040] 3: Adjust the rotation speed to 800r / min, add natural polar negative ion minerals, stir for 5 minutes, add beating denatured wood pulp solution, oil-resistant plasticizer in turn, and stir for 8 minutes;

[0041] 4: Add another part of low-odor environmental protection additives in sequence, and stir for 20 minutes to prepare the degradable environmental protection coating.

[0042] The above-men...

Embodiment 1

[0045] The mass percentage of the component and component of an embodiment of degradable environmental protection coating of the present invention is:

[0046]

[0047] The degradable environmental protection coating is prepared by the following steps:

[0048] 1: Weigh the corresponding water according to the formula and pour it into the reaction kettle, turn on the mixer, adjust the speed to 800r / min, add some low-odor environmental protection additives in turn, and stir for 5 minutes;

[0049] 2: Add titanium dioxide, oxidatively modified tapioca starch, and inorganic filler in turn, adjust the speed to 1200r / min, and stir for 40min;

[0050]3: Adjust the rotation speed to 800r / min, add natural polar negative ion minerals, stir for 5 minutes, add beating denatured wood pulp solution, oil-resistant plasticizer in turn, and stir for 8 minutes;

[0051] 4: Add another part of low-odor environmental protection additives in sequence, and stir for 20 minutes to prepare the de...

Embodiment 2

[0071] The mass percentage of the component and component of another embodiment of the degradable environmental protection coating of the present invention is:

[0072]

[0073] The preparation method of the degradable environmentally friendly coating is the same as that of Example 1, and will not be repeated. The degradable environmentally friendly coating has been tested, and the indicators are as follows:

[0074] 1. Contrast ratio: 0.94

[0075] 2. Scrub resistance: >1000 times

[0076] 3. Low temperature stability: no deterioration

[0077] 4. Alkali resistance: no abnormality within 24 hours

[0078] 5. The state in the container: uniform without lumps

[0079] 6. Appearance of coating film: normal

[0080] 7. Constructability: two coats without barriers

[0081] 8. Volatile organic compounds (VOC): not detected

[0082] 9. Total of glycol ethers and their esters (ethylene glycol methyl ether, ethylene glycol methyl ether acetate, ethylene glycol ethyl ether, et...

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Abstract

The invention provides a degradable environment-friendly latex paint and a preparation method thereof. The degradable environment-friendly latex paint is prepared from the following components in percentage by mass: 16%-18% of water, 15%-20% of titanium dioxide, 3%-6% of natural-polarity anion mineral, 3%-5% of oxidative modified cassava starch, 1%-2% of an inorganic filler, 40%-50% of a pulping modified wood pulp solution, 1%-5% of an oil-resistant plasticizer and 1%-4% of a low-odor environment-friendly assistant. The degradable environment-friendly latex paint is a degradable product; the physical property of a product can be improved; and a film is water-resistant, easy to clean and high in strength, has the characteristics of being efficient and antibacterial, is beneficial to environmental protection and human health, and is an environment-friendly interior wall coating.

Description

technical field [0001] The invention relates to the field of building materials, more specifically, to a degradable environmental protection coating and a preparation method thereof. Background technique [0002] At present, the coatings on the market are made of synthetic resin emulsion as the base material, and the coatings are made by adding chemical additives containing APEO (alkylphenol polyoxyethylene ether compounds). Because it cannot be degraded, it will cause harm to ecology and water bodies, and affect the ecological environment; and ordinary wall paints also use synthetic resin emulsion as the base material, which cannot achieve the function of natural degradation. The wall paints sold on the market are only additives It has been replaced to reduce VOC (English abbreviation for volatile organic compounds) and other emissions, but also cannot achieve the effect of biodegradation. Because, in order to protect the environment, it is necessary to develop non-aquatic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D197/02C09D103/10C09D7/61C09D7/65C09D5/02
CPCC08L2205/025C08L2205/035C09D5/02C09D7/61C09D7/65C09D197/02C08L3/10C08L91/00C08K2003/2241C08K2003/265C08K3/34
Inventor 徐东王影余先明徐志新李金钟
Owner ASIA PAINT SHANGHAI
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