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Polysilsesquioxane (POSS) modified vegetable oil emulsion mold release agent and preparation method thereof

A technology for modifying vegetable oil and vegetable oil, which is applied in the petroleum industry, lubricating compositions, etc., can solve the problems of mineral oil being lost to the environment, general demoulding effect, environmental pollution, etc., and achieves excellent demoulding peeling performance and excellent demoulding effect. Effect

Inactive Publication Date: 2013-07-31
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Release agents such as traditional engine oil and diesel pollute the surface of steel bars and concrete, and the release effect is average
The use of mineral oil release agents causes mineral oil to be lost in the environment, polluting the environment, and engine oil, diesel oil, and mineral oil are all non-renewable resources
As an environmentally friendly release agent, vegetable oil-based release agents have the advantages of being renewable, biodegradable, and harmless to the human body. There are defects, that is, the mold is stained with dust, and the release performance is not good

Method used

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  • Polysilsesquioxane (POSS) modified vegetable oil emulsion mold release agent and preparation method thereof
  • Polysilsesquioxane (POSS) modified vegetable oil emulsion mold release agent and preparation method thereof
  • Polysilsesquioxane (POSS) modified vegetable oil emulsion mold release agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] In the present embodiment, POSS modified vegetable oil emulsion release agent constitutes as follows by mass percentage:

[0024] Vegetable oil 10%, POSS-vegetable oil polymer 0.1%, emulsifier 2%, defoamer 0.2%, stabilizer 0.1%, and the balance is deionized water.

[0025] The preparation method of POSS modified vegetable oil emulsion release agent of the present invention comprises the synthesis of epoxy vegetable oil, the synthesis of vegetable oil alcohol, the synthesis of POSS-vegetable oil polymer and the preparation of POSS modified vegetable oil emulsion, specifically operate as follows:

[0026] The synthesis of epoxy vegetable oil is the rapeseed oil 20g, acetic acid 15g and catalyst 732 # After mixing 1.2 g of strong acidic cationic resin, add hydrogen peroxide dropwise, control the dropwise addition for 2 hours, keep the reaction at 60°C for 4 hours after the dropwise addition, wash the product until neutral, and obtain epoxy vegetable oil after drying;

[0...

Embodiment 2

[0035]In the present embodiment, POSS modified vegetable oil emulsion release agent constitutes as follows by mass percentage:

[0036] Vegetable oil 13%, POSS-vegetable oil polymer 0.3%, emulsifier 2%, defoamer 0.2%, stabilizer 0.1%, and the balance is deionized water.

[0037] The preparation method of POSS modified vegetable oil emulsion release agent of the present invention comprises the synthesis of epoxy vegetable oil, the synthesis of vegetable oil alcohol, the synthesis of POSS-vegetable oil polymer and the preparation of POSS modified vegetable oil emulsion, specifically operate as follows:

[0038] The synthesis of epoxy vegetable oil is the rapeseed oil 20g, acetic acid 15g and catalyst 732 # After mixing 1.2 g of strong acidic cationic resin, add hydrogen peroxide dropwise, control the dropwise addition for 2 hours, keep the reaction at 60°C for 4 hours after the dropwise addition, wash the product until neutral, and obtain epoxy vegetable oil after drying;

[00...

Embodiment 3

[0047] In the present embodiment, POSS modified vegetable oil emulsion release agent constitutes as follows by mass percentage:

[0048] Vegetable oil 16%, POSS-vegetable oil polymer 0.5%, emulsifier 2%, defoamer 0.2%, stabilizer 0.1%, and the balance is deionized water.

[0049] The preparation method of POSS modified vegetable oil emulsion release agent of the present invention comprises the synthesis of epoxy vegetable oil, the synthesis of vegetable oil alcohol, the synthesis of POSS-vegetable oil polymer and the preparation of POSS modified vegetable oil emulsion, specifically operate as follows:

[0050] The synthesis of epoxy vegetable oil is the rapeseed oil 20g, acetic acid 15g and catalyst 732 # After mixing 1.2 g of strong acidic cationic resin, add hydrogen peroxide dropwise, control the dropwise addition for 2 hours, keep the reaction at 60°C for 4 hours after the dropwise addition, wash the product until neutral, and obtain epoxy vegetable oil after drying;

[0...

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Abstract

The invention discloses a polysilsesquioxane (POSS) modified vegetable oil emulsion mold release agent and a preparation method thereof. The mold release agent is obtained by taking vegetable oil as a substrate and POSS-vegetable oil polymer as a modifier and adding an emulsifier, an antifoaming agent and a stabilizer. The mold release agent comprises the following raw materials in percentage by mass: 10 to 20 percent of vegetable oil, 0.1 to 1 percent of POSS-vegetable oil polymer, 1 to 3 percent of emulsifier, 0.2 percent of antifoaming agent, 0.1 percent of stabilizer and the balance of deionized water. The mold release agent has a good mold release effect and high peeling performance, is environment-friendly and is harmless to human bodies, the surface of concrete is smooth, flat and non-defective after a mold is released, a little concrete is adhered to the mold, and a template is not corroded.

Description

1. Technical field [0001] The invention relates to a release agent and a preparation method thereof, in particular to a POSS modified vegetable oil emulsion release agent and a preparation method thereof, belonging to the technical field of building materials. 2. Background technology [0002] Concrete release agent, also known as concrete release agent or release lubricant, is a natural or chemical agent that is applied to the inner wall of the formwork to lubricate and isolate, so that the concrete can be removed from the formwork after hardening, and the shape of the concrete can be kept intact. Material. [0003] For a long time, engine oil, diesel oil, mineral oil, soap liquid, saponified animal and vegetable oil waste, etc. have been mainly used as release agents in China. Release agents such as traditional engine oil and diesel pollute the surface of steel bars and concrete, and the release effect is average. The use of mineral oil release agents causes mineral oil ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M173/00C10M177/00C08H99/00C10N40/36
Inventor 王文平赵鹤翔
Owner HEFEI UNIV OF TECH
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