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Mortar partner and its use

A mortar partner and partner technology, applied in the field of aggregates, can solve the problems of improper proportioning, poor quality or economic consequences, lack of professionals on construction sites, etc., to achieve the effects of improved water retention and adhesion, and excellent solubility.

Inactive Publication Date: 2007-04-04
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There are many types of admixtures, and their performance is closely related to the dosage. Improper proportioning or too large or too small dosage will cause adverse consequences in quality or economy.
And the construction site lacks professionals, it is impossible to prepare these chemical admixtures on the construction site

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～4

[0036] Weigh the components according to the ratio listed in Table 1, then pour the weighed components into the mixer, stir for 3-8 minutes, and mix well to form a mortar companion. The used limestone powder fineness of each embodiment is all below 100 orders.

Embodiment 1

[0037] The used latex powder of embodiment 1 is the DM117P of Wacker Company, and main component is vinyl copolymer, and cellulose ether is hydroxyethyl methylcellulose; Air-entraining agent is LP-50 of Berolan Company; Hydrophobic agent is Canastol, The main ingredients are.

Embodiment 2

[0038] The polylatex powder used in Example 2 is DM2072P of Wacker Company, the main component is vinyl copolymer; the cellulose ether is hydroxyethyl methylcellulose.

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Abstract

A composite modifier for mortar in building engineering consists of lime mountain flour 50-85wt%, latex powder 8-30wt%, cellulose ether 0.5-14wt%, inducer 0-0.3wt%, starch ether 0-0.2wt%, hydrophobic agent 0-5wt%, inorganic pigment 0-3wt% and organic fibre 0-18wt%. It has excellent thermal-insulating, water-proofing and anti-stain functions and be used for decorative and waterproofing materials, polystyrene foaming board, concrete wall and air-entrained concrete.

Description

technical field [0001] The present invention relates to a compound modifier for mortar widely used in construction engineering, and specifically relates to various types of mortar in current construction engineering, such as chemical admixtures for preparing masonry mortar, plastering mortar, ground mortar, waterproof mortar, etc. , Mineral admixtures, fibers or pigments, etc. aggregates. Background technique [0002] At present, China's construction is in the ascendant, and housing construction is increasing year by year, reaching 500 million square meters in 2003, mainly public buildings, factories and residential construction, and residential buildings account for the largest proportion. In Shanghai alone, 16 million sq. Therefore, the amount of cementitious materials required for housing construction is huge, but the cementitious materials used in engineering are still traditional materials, which cannot improve the quality of construction. Surface phenomena such as de...

Claims

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Application Information

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IPC IPC(8): C04B22/10C04B26/02C04B24/02C04B24/38C04B16/06
CPCC04B2111/20C04B2111/28C04B40/0039C04B2111/27C04B28/02
Inventor 王培铭
Owner TONGJI UNIV
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