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Natural emulsion, aqueous woodenware paint containing same, preparation methods of natural emulsion and paint

A technology for natural emulsions and coatings, applied in the field of natural emulsions, can solve problems such as consumption and achieve the effect of saving oil resources

Inactive Publication Date: 2014-04-16
SHENZHEN OCEANPOWER NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] What the emulsion of existing water-based wood coating adopts is synthetic emulsion, and this synthetic emulsion is extracted from petroleum, and the water-based wood coating made by this synthetic emulsion has good adhesion, paint film is full, has certain hardness, but because synthetic emulsion is from The emulsion extracted from petroleum is a kind of consumption for the limited petroleum resources on the earth. From the perspective of saving petroleum resources, we urgently need an emulsion, which comes from renewable resources, and the water-based woodware prepared from this emulsion Coatings perform as well as waterborne wood coatings made with synthetic emulsions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Preparation of natural emulsion

[0031] The components and their weight percentages in the natural emulsion are: 1% emulsifier; 60% soybean oil; 15% rosin; 15% acrylic acid; 9% water.

[0032] The natural emulsion is prepared as follows:

[0033] (1) Slowly add active monomers or / and active monomer oligomers of set proportions in vegetable oil and natural resins in a set proportion, and then heat up at 15°C for 1 hour to obtain a viscosity of 3Pa·s The product, the unreacted active monomer polymer is released under vacuum conditions, that is, the polymer system is obtained;

[0034] (2) While stirring the polymer system at a speed of 800 rpm, slowly add an emulsifier in a set ratio; after the components are fully mixed, slowly add the emulsifier to it while stirring at a speed of 800 rpm A certain proportion of deionized water;

[0035] (3) After adding the deionized water, stir and mix at 1800 rpm to adjust the viscosity of the emulsion to 1.0 Pa·s.

[0036] Prepara...

Embodiment 2

[0052] Preparation of natural emulsion

[0053] The components and their weight percentages in the natural emulsion are: 2% emulsifier; 40% castor oil; 30% shellac; 20% polyurethane; 8% water.

[0054] Natural emulsion preparation method is as follows in the present embodiment:

[0055] (1) Slowly add active monomers or / and active monomer oligomers of set proportions in vegetable oil and natural resins in a set proportion, and then heat up at 20°C for 1.5 hours to obtain a viscosity of 4Pa·s The product, the unreacted active monomer polymer is released under vacuum conditions, that is, the polymer system is obtained;

[0056] (2) While stirring the polymer system at a speed of 1000 rpm, slowly add an emulsifier in a set ratio; after the components are fully mixed, slowly add the emulsifier to it while stirring at a speed of 1000 rpm A certain proportion of deionized water;

[0057] (3) After adding the deionized water, stir and mix at 2000 rpm to adjust the viscosity of the...

Embodiment 3

[0073] Preparation of natural emulsion

[0074] The components and their weight percentages in the natural emulsion are: 1% emulsifier; 70% corn oil; 9% natural lacquer; 5% polyurethane; 15% water.

[0075] Natural emulsion preparation method is as follows in the present embodiment:

[0076] (1) Slowly add active monomers or / and active monomer oligomers in a set proportion in vegetable oil and natural resin, and then heat up at 25°C and react for 0.5 hours to obtain a viscosity of 2Pa·s The product, the unreacted active monomer polymer is released under vacuum conditions, that is, the polymer system is obtained;

[0077] (2) While stirring the polymer system at a speed of 1200 rpm, slowly add an emulsifier in a set ratio; after the components are fully mixed, slowly add the emulsifier to it while stirring at a speed of 1200 rpm A certain proportion of deionized water;

[0078] (3) After adding the deionized water, stir and mix at 2200 rpm to adjust the viscosity of the emul...

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Abstract

The invention relates to a natural emulsion. The natural emulsion comprises the compositions in percent by weight: 1-2% of an emulsifier, 40-70% of plant oil, 5-30% of natural resin, 5-30% of an active monomer polymer and 8-15% of water. The invention also relates to aqueous woodenware paint prepared from the natural emulsion, and the aqueous woodenware paint is characterized by comprising the compositions in percent by weight: 1-3% of water, 81-88% of the natural emulsion, 3-10% of a cosolvent and 0-10% of a pigment or filling material, and preferably also comprising 0.7-1.2% of an anti-foaming agent, 0.3-0.6% of a wetting agent, 0.2-0.5% of a slip agent, 0.5-1% of a levelling agent and 2-4% of a hardening agent. Compared with conventional aqueous paint, the natural aqueous woodenware paint provided by the invention employs the renewable natural emulsion as the emulsion, so that petroleum resource is saved; and also, plant oil and natural resin in the natural emulsion in the paint are biodegradable under the effect of lipase, so that the waste paint can be biodegraded by employing lipase, and thus the paint has no pollution to environment and is green and environment-friendly.

Description

【Technical field】 [0001] The invention relates to a natural emulsion, a water-based wood coating containing the natural emulsion, and a preparation method of the natural emulsion and the water-based wood coating. 【Background technique】 [0002] With the further improvement of environmental protection regulations and the purpose of reducing the load on the earth, new low-VOC or zero-VOC emission coatings have become the focus of research and development, and the research and development of water-based wood coatings has attracted more attention. [0003] What the emulsion of existing water-based wood coating adopts is synthetic emulsion, and this synthetic emulsion is extracted from petroleum, and the water-based wood coating made by this synthetic emulsion has good adhesion, paint film is full, has certain hardness, but because synthetic emulsion is from The emulsion extracted from petroleum is a kind of consumption for the limited petroleum resources on the earth. From the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L91/00C08L93/04C08L93/02C08L95/00C09D191/00C09D193/04C09D193/02C09D195/00C09D7/12
Inventor 王守臣潘鑫刘结生沈毅翁应全何唯平
Owner SHENZHEN OCEANPOWER NEW MATERIALS TECH
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