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Core-shell type emulsion concrete demolding agent and preparation method thereof

A technology of concrete release agent and emulsion, applied in the field of concrete release agent, can solve the problems of limited application scope, hindering the bonding of concrete surface, etc., and achieve the effects of excellent product performance, less equipment investment, and simple production process route.

Inactive Publication Date: 2017-03-15
大连市铭源全科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Paraffin wax release agent can be used on steel, wood formwork and concrete pedestal. When the paraffin wax content is high, it often leaves paraffin wax residue on the concrete surface, which hinders the bonding of the concrete surface, so its application range is limited

Method used

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  • Core-shell type emulsion concrete demolding agent and preparation method thereof

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Embodiment 1

[0019] Core-shell type emulsion concrete release agent, including, oil foot, waste engine oil, alkaline inorganic substances, additives. The particle size of the mineral powder is 200-300 mesh. The oil foot is edible vegetable oil foot, wherein the neutral oil content is 30%-50%, the total amount of fatty acid is 10-20%, and the saponification value is 120-150. The auxiliary agent is dichloroethane. The basic inorganic substance is solid caustic soda. The preparation method is as follows: solid minerals and organic matter with lipophilic groups are dissolved in an organic solvent, placed in a reaction kettle, stirred at room temperature for about 30 minutes, and the solid and organic matter are fully contacted to obtain solid particles containing lipophilic groups. ;Put the oil base, basic inorganic substances and additives in the reaction kettle, and react for about half an hour under the condition of normal pressure 60-80°C to prepare the emulsifier, cool the emulsificatio...

Embodiment 2

[0021] Core-shell type emulsion concrete release agent, including, oil base, paraffin, alkaline inorganic substances, additives. The particle size of the mineral powder is 200-300 mesh. The oil foot is edible vegetable oil foot, wherein the neutral oil content is 30%-50%, the total amount of fatty acid is 10-20%, and the saponification value is 120-150. The auxiliary agent is cyclohexane. The basic inorganic substance solid sodium carbonate. The preparation method is that solid minerals and organic matter with lipophilic groups are dissolved in an organic solvent and placed in a reaction kettle, stirred at room temperature for about 30 minutes, so that the solid and organic matter are fully contacted, and solid particles containing lipophilic groups are obtained. ;Put the oil base, basic inorganic substances and additives in the reaction kettle, and react for about half an hour under the condition of normal pressure 60-80°C to prepare the emulsifier, cool the emulsification ...

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Abstract

The invention discloses a core-shell type emulsion concrete demolding agent which comprises foots, used engine oil, alkali inorganic matters and aids. The invention further discloses a preparation method of the core-shell type emulsion concrete demolding agent. The core-shell type emulsion concrete demolding agent has the beneficial effects that natural minerals and industrial wastes are adopted as basic raw materials, and the novel oleophylic solid particle emulsion concrete demolding agent can be developed, the production process is simple in procedure, the equipment investment is small, and product properties are prior to those of similar products of China.

Description

technical field [0001] The invention relates to a concrete release agent, in particular to a core-shell emulsion concrete release agent. Background technique [0002] Concrete prefabricated components or prefabricated products, such as blocks, slabs, beams, piers, dams, bridges, etc., must use formwork or molds during the pouring process. In order to make the hardened concrete easy to demould without damaging the formwork, a layer of release agent is often applied to the formwork or mold. For a long time, so-called liquid soaps, which are saponified from engine oil, waste engine oil, emulsified engine oil, or animal and vegetable oils and inferior oils, are often used as release agents in China. The main types of release agents are as follows: [0003] 1. Pure oil. Various vegetable oils, animal oils and mineral oils can be used as release agents. However, mineral oil is mostly used at present. That is, various light lubricating oils produced by the petroleum industry, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04B28B7/38C10N40/36
CPCB28B7/384C10M169/045C10M169/048C10M2201/062C10M2201/08C10M2203/04C10M2205/163C10M2207/281C10M2207/40C10M2207/401C10M2211/022C10N2040/36
Inventor 宫振鑫
Owner 大连市铭源全科技开发有限公司
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