Concrete demolding agent and preparation method thereof

A technology of concrete release agent and thickener, which is applied in the petroleum industry, lubricating compositions, etc., can solve problems affecting construction quality, concrete surface cracking and shelling, etc., and achieve low production equipment and condition requirements, low cost, and high adhesion strong effect

Inactive Publication Date: 2018-12-18
昆明固正铝模制造有限公司 +1
5 Cites 1 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a concrete release agent and its preparation method to solve the problem tha...
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Method used

Concrete release agent of the present invention is good in stability, and is strong for all kinds of formwork adhesion, no oil stain remains during demoulding, and surface is smooth; After demoulding, concret...
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Abstract

The invention discloses a concrete demolding agent and a preparation method thereof and relates to the technical field of building materials. The concrete demolding agent includes, by weight, 20-50% of an oil substance, 1-5% of a thickener, 40-70% of deionized water, 0.1-0.5% of a preservative, 1-3% of a whitening agent, and 1-3% of an odor covering agent. The oil substance includes one or more ofengine oil, saponified oil and lubricant oil. The preparation method includes: S1) weighing the oil substance, thickener, deionized water, preservative, whitening agent and odor covering agent according to the weight percentages; S2) placing the deionized water and thickener in a stainless steel container and mixing and stirring the components for 10-20 min; S3) adding the oil substance, preservative, whitening agent and odor covering agent to the mixture, and mixing and stirring the components for 15-25 min; S4) performing filling package. The concrete demolding agent has good stability andis prepared from the engine oil and other additives in less quantity, so that the product is simple in component, is convenient to prepare and is low in cost.

Application Domain

Lubricant composition

Technology Topic

Building materialWhitening Agents +4

Image

  • Concrete demolding agent and preparation method thereof

Examples

  • Experimental program(6)

Example Embodiment

[0024] Example 1
[0025] A concrete release agent, which is characterized in that it contains the following components in weight percentage: 20% oily substance, 5% thickener, 70% deionized water, 0.5% preservative, 2% brightener, and taste masking The agent is 2.5%; wherein the oil substance is motor oil, the thickening agent is polyacrylamide, the preservative is sodium benzoate, the whitening agent is titanium dioxide, and the flavor mask is a water-soluble fragrance.
[0026] The preparation method includes the following steps:
[0027] S1: Weigh oil substances, thickeners, deionized water, preservatives, brighteners, and flavor masks in weight percentage;
[0028] S2: Put deionized water and thickener into a stainless steel tank, use a disperser to mix and stir for 10 minutes, the material reaches the viscosity requirement of 15cSt;
[0029] S3: Add oily substances, preservatives, brighteners, and flavor masks to the materials obtained in step S2, and mix and stir for 15 minutes;
[0030] S4: Filling.
[0031] The oil material makes the formwork and the concrete form a mechanical lubricating layer directly, reducing the adhesion between the two; the thickener effectively improves the properties of the oil material, and facilitates the dispersion of the oil material to fuse with water; the deionized water is softened The water contains less minerals, has good stability, and can extend the shelf life of the release agent; preservatives effectively extend the shelf life of the release agent, the brightener improves the sensory quality of the release agent, and the taste mask improves the smell of the release agent. The above-mentioned components are mixed to form a homogeneous white milky release agent. The oils and thickeners play a good lubrication and film-forming effect, which is beneficial to eliminate the bubbles generated on the surface of the concrete during solidification and ensure the surface quality of the concrete after construction.
[0032] The concrete release agent of the present invention has good stability, strong adhesion to various forms, no oil residue during demolding, and a smooth surface; after demolding, the concrete surface is smooth, and the concrete adhesion amount on the formwork is less than 4g/m 2; The concrete release agent uses engine oil and a small amount of additives, with simple ingredients, convenient preparation and low cost.
[0033] The method for preparing the concrete release agent of the present invention has simple process, low requirements on industrialized production equipment and conditions, low energy consumption in production, high productivity, and is economical and environmentally friendly.

Example Embodiment

[0034] Example 2
[0035] A concrete release agent, which is characterized in that it contains the following components by weight percentage: oily substance 35%, thickener 1%, deionized water 60%, preservative 0.3%, brightener 3%, taste masking The oil content is 2.7%; the oily substance is saponified oil, the thickening agent is carboxymethyl starch, the preservative is potassium sorbate, the whitening agent is titanium dioxide, and the flavor mask is a water-soluble fragrance.
[0036] The preparation method includes the following steps:
[0037] S1: Weigh oil substances, thickeners, deionized water, preservatives, brighteners, and flavor masks in weight percentage;
[0038] S2: Put deionized water and thickener into a stainless steel tank, use a disperser to mix and stir for 15 minutes, the material reaches the viscosity requirement of 20cSt;
[0039] S3: Add oily substances, preservatives, brighteners, and flavor masks to the materials obtained in step S2, and mix and stir for 20 minutes;
[0040] S4: Filling.

Example Embodiment

[0041] Example 3
[0042] A concrete release agent, which is characterized in that it contains the following components by weight percentage: 50% oily substance, 3% thickener, 44.9% deionized water, 0.1% preservative, 1% brightener, and taste masking The agent is 1%; the oily substance is saponified oil, the thickening agent is sodium carboxymethyl cellulose, the preservative is potassium sorbate, the whitening agent is titanium dioxide, and the flavor mask is a water-soluble fragrance.
[0043] The preparation method includes the following steps:
[0044] S1: Weigh oil substances, thickeners, deionized water, preservatives, brighteners, and flavor masks in weight percentage;
[0045] S2: Put deionized water and thickener into a stainless steel tank, use a disperser to mix and stir for 20 minutes, the material reaches the viscosity requirement of 25cSt;
[0046] S3: Add oily substances, preservatives, brighteners, and flavor masks to the materials obtained in step S2, and mix and stir for 25 minutes;
[0047] S4: Filling.

PUM

PropertyMeasurementUnit
Adhesion amount<= 3.0g/m²

Description & Claims & Application Information

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