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Emulsified paraffin release agent and preparation method thereof

A technology of emulsified paraffin and release agent, which is applied in the field of concrete release agent, and can solve problems such as hindering the bonding of concrete surface and limiting the application range

Inactive Publication Date: 2017-04-19
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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The formula is, and the preparation method is the same as in Example 1.

[0030] Paraffin 10 parts

[0031] 5 parts stearic acid

[0032] 5 parts animal or vegetable oil

[0033] Co-emulsifier 5 parts

[0034] Sodium hydroxide 1 part

[0035] 1 part of ethyl paraben.

[0036] The preparation method of emulsified paraffin wax release agent is to add paraffin wax, stearic acid, co-emulsifier, animal oil or vegetable oil, and ethyl paraben to a container and heat it to 60-80°C to melt, and put water, alkali agent, and In a container, mix evenly and heat to 75-85°C; keep the temperature of the oil phase and the water phase basically the same, then slowly add the water phase to the oil phase under vigorous stirring, slowly emulsify and phase inversion, the stirring speed increases with the The emulsification temperature gradually slowed down, and the product was produced after stirring to room temperature, and a white oil-in-water emulsion was obtained.

Embodiment 2

[0038] The formula is, and the preparation method is the same as in Example 1.

[0039] Paraffin 25 parts

[0040] 8 parts stearic acid

[0041] 10 parts animal or vegetable oil

[0042] Co-emulsifier 10 parts

[0043] Sodium hydroxide 10 parts

[0044] 10 parts of ethyl paraben

Embodiment 3

[0046] The formula is, and the preparation method is the same as in Example 1.

[0047] Paraffin 15 parts

[0048] 6 parts stearic acid

[0049] 6 parts animal or vegetable oil

[0050] 6 parts of co-emulsifier

[0051] Sodium hydroxide 5 parts

[0052] 3 parts of ethyl paraben.

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PUM

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Abstract

The invention discloses an emulsified paraffin release agent, which is characterized by being prepared from the following raw materials (by weight): 10-25 parts of paraffin, 5-8 parts of stearic acid, 5-10 parts of animal oil or plant oil, 5-10 parts of a co-emulsifier, 1-10 parts of sodium hydroxide and 1-10 parts of ethyl 4-hydroxybenzoate. The release agent of the invention is mainly used in molding of a concrete material. The release agent is sprayed on the surface of a mould, and is used for preventing a product from being glued with the mould so as to have an effect of isolating the product from the mould. Then, the product can be greatly moulded. The release agent of the invention has a good demoulding effect.

Description

technical field [0001] The invention relates to a concrete release agent, in particular to an emulsified paraffin release agent and a preparation method thereof. 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04B28B7/38C10N40/36
CPCB28B7/384B28B7/388C10M169/045C10M2201/062C10M2203/10C10M2207/126C10M2207/289C10N2040/36
Inventor 宫振鑫
Owner 大连市铭源全科技开发有限公司
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