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A kind of concrete cementitious material conditioner and preparation method thereof

A cementitious material and concrete technology, which is applied in the field of concrete cementitious material regulator and its preparation, can solve the problem of matching limitation of large-scale application and promotion of cementitious reducer, achieve good water retention performance, high specific surface area, and avoid segregation and secretion water effect

Active Publication Date: 2022-04-12
深圳市三绿科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary concrete cementitious material modifiers only rely on the dispersing ability brought about by electrostatic repulsion, which limits the development and application of glue reducers to a certain extent. Large-scale application and promotion of glue

Method used

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  • A kind of concrete cementitious material conditioner and preparation method thereof
  • A kind of concrete cementitious material conditioner and preparation method thereof

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Embodiment 1

[0032] Embodiment 1 is a concrete cementitious material conditioner disclosed by the present invention and its preparation method. The conditioner is based on 1000kg and includes the following components in parts by weight: 500kg of mixed alcohol amine grafts, 100kg of sodium thiocyanate, Zero-water sodium metasilicate 50kg, tert-butylphenol 55kg and crospovidone 4.5kg, the balance is water;

[0033] Mixed alcohol amine grafts include triethanolamine grafts, triisopropanolamine grafts and diethanolamine grafts;

[0034] The mass fraction ratio of the triethanolamine graft, the triisopropanolamine graft and the diethanolamine graft is 1:1.125:1; the graft is hydroxypropyl methylcellulose;

[0035] The preparation method of regulator comprises the following steps:

[0036] S1. First add water to the mixing tank, then add zero-water sodium metasilicate and sodium thiocyanate, and fully stir the two components until they are completely dissolved in water;

[0037] S2. Add trieth...

Embodiment 2

[0039] Embodiment 2 is a concrete cementitious material conditioner disclosed by the present invention and its preparation method. The conditioner is based on 1000kg and includes the following components in parts by weight: 475kg of mixed alcohol amine grafts, 80kg of sodium thiocyanate, Zero water sodium metasilicate 40kg, tert-butylphenol 70kg and cross-linked povidone 6kg, the balance is water;

[0040] Mixed alcohol amine grafts include triethanolamine grafts, triisopropanolamine grafts and diethanolamine grafts;

[0041] The mass fraction ratio of the triethanolamine graft, the triisopropanolamine graft and the diethanolamine graft is 1:1.125:1; the graft is hydroxypropyl methylcellulose;

[0042] The preparation method of regulator comprises the following steps:

[0043] S1. First add water to the mixing tank, then add zero-water sodium metasilicate and sodium thiocyanate, and fully stir the two components until they are completely dissolved in water;

[0044] S2. Add ...

Embodiment 3

[0046]Embodiment 3 is a concrete cementitious material conditioner disclosed by the present invention and its preparation method. The conditioner is based on 1000kg and includes the following components in parts by weight: 520kg of mixed alcohol amine grafts, 120kg of sodium thiocyanate, Zero water sodium metasilicate 60kg, tert-butylphenol 40kg and crospovidone 3kg, the balance is water;

[0047] Mixed alcohol amine grafts include triethanolamine grafts, triisopropanolamine grafts and diethanolamine grafts;

[0048] The mass fraction ratio of the triethanolamine graft, the triisopropanolamine graft and the diethanolamine graft is 1:1.125:1; the graft is hydroxypropyl methylcellulose;

[0049] The preparation method of regulator comprises the following steps:

[0050] S1. First add water to the mixing tank, then add zero-water sodium metasilicate and sodium thiocyanate, and fully stir the two components until they are completely dissolved in water;

[0051] S2. Add triethano...

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Abstract

The invention relates to a concrete cementitious material regulator and a preparation method thereof. The regulator includes the following components in parts by weight: 475-520kg of mixed alcohol amine grafts, 80-120kg of sodium thiocyanate, and stable dispersion Agent 40-60kg, polyphenolic compound 40-70kg and crospovidone 3-6kg, surplus is water; The preparation method comprises the following steps: S1. add water in stirring tank earlier, then add dispersion stabilizer and thiocyanate Sodium acid, the two components are fully stirred until they are completely dissolved in water; S2. Then add triethanolamine grafts, triisopropanolamine grafts, diethanolamine grafts, and cross-linked Povidone and polyphenol compounds are stirred for 15-25 minutes to obtain a finished mother liquor; S3. Finally, the finished mother liquor is diluted with water at a ratio of 1:12, and the finished concrete cementitious material regulator is prepared after stirring evenly. The invention has the effect of improving the dispersion performance of the concrete cementitious material.

Description

technical field [0001] The invention relates to the technical field of concrete additives and preparation, in particular to a concrete cementitious material regulator and a preparation method thereof. Background technique [0002] The current concrete cementitious material particles are relatively fine. When encountering mixing water, the cementitious material particles attract each other under the action of electrostatic attraction, etc., and then form a three-dimensional three-dimensional flocculation structure. About 10%-30% of the mixing water is wrapped in the flocculation structure and cannot flow freely and loses the lubricating effect, so that the fluidity of the mixture is greatly reduced. Ordinary water reducers cannot effectively disperse the flocculation structure of ultra-fine particles, but according to research, concrete cementitious material regulators can disperse these flocculation structures, make the cementitious material particles more fully contact with...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F251/02C04B24/38C04B103/40C04B103/46
CPCC04B40/0039C04B2103/408C04B2103/46C04B24/383C04B22/14C04B12/04C04B24/2652C04B24/02
Inventor 庞永献庞森林易钢招
Owner 深圳市三绿科技有限公司
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