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Antifreezing polycarboxylic acid composite pumping water reducing agent and application thereof

A technology of polycarboxylate and composite pumps, which is applied in the field of antifreeze polycarboxylate composite pumping superplasticizers, can solve the problems of fewer types, reduce damage, relieve freezing stress, and enhance the ability to resist freezing damage Effect

Inactive Publication Date: 2014-09-10
河南砥柱工程检测有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The invention provides an antifreeze type polycarboxylate composite pumping water reducer and its application, which solves the problem that the existing antifreeze type polycarboxylate composite pumping water reducer has few types, and the current antifreeze type polycarboxylate has high performance. The products of water reducing agent are mostly used for problems such as concrete construction with high strength grade

Method used

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  • Antifreezing polycarboxylic acid composite pumping water reducing agent and application thereof

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Effect test

Embodiment 1

[0021] An antifreeze type polycarboxylate composite pumping water reducer, in terms of weight percentage, polycarboxylate high-efficiency water reducer 8%, sodium gluconate 1%, sodium lauryl sulfate 0.08%, triethanolamine 1.5%, Soda 10%, methanol 12%, and the balance is water.

Embodiment 2

[0023] An antifreeze-type polycarboxylate-based composite pumping water reducer, in terms of weight percentage, polycarboxylate high-efficiency water reducer 10%, sodium gluconate 0.6%, sodium lauryl sulfate 0.05%, triethanolamine 1%, Soda 12%, methanol 10%, and the balance is water.

Embodiment 3

[0025] An antifreeze type polycarboxylate composite pumping water reducer, in terms of weight percentage, polycarboxylate high-efficiency water reducer 12%, sodium gluconate 0.5%, sodium lauryl sulfate 0.1%, triethanolamine 1%, Baking soda 8%, methanol 15%, and the balance is water.

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Abstract

The invention relates to an antifreezing polycarboxylic acid composite pumping water reducing agent and application thereof. The antifreezing polycarboxylic acid composite pumping water reducing agent comprises the following components in percentage by weight: 8-12% of polycarboxylic acid high efficiency water reducing agent, 0.5-1% of plastifying component, 0.05-0.1% of air entraining agent, 0.8-1.5% of triethanolamine, 8-15% of inorganic early-strength component, 8-15% of organic antifreezing component and the balance of water. Various organic and inorganic components and the polycarboxylic acid water reducing agent mother solution in the antifreezing polycarboxylic acid composite pumping water reducing agent have favorable compounding effect, and thus, the product is uniform and stable, and does not have the phenomenon of stratification.

Description

technical field [0001] The invention relates to a composite pumping water reducer, in particular to an antifreeze type polycarboxylate composite pumping water reducer and its application. Background technique [0002] In recent years, the research and application of polycarboxylate-based high-performance water-reducers has developed rapidly in my country. Due to the excellent working performance and environmental protection characteristics of polycarboxylate-based water-reducers, from high-speed railways to urban commercial concrete mixing Station, many domestic application companies began to choose polycarboxylate superplasticizer as the fifth necessary component of concrete. However, due to the relatively short development time of polycarboxylic acid-based high-performance water-reducers in my country, its application technology research is still in its infancy, and the theory and experience of compounding naphthalene-based water-reducers with other admixtures are no longer...

Claims

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Application Information

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IPC IPC(8): C04B24/24C04B103/30
Inventor 吕昌裕张广芝王光敏郇德刚
Owner 河南砥柱工程检测有限公司
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