Preparation of high brilliant white high weatherability white concrete

A concrete and white technology, applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc., can solve problems such as easy yellowing and blackening, whiteness and brightness decline, and poor brightness

Active Publication Date: 2008-12-24
CHINA STATE CONSTR READY MIXED CONCRETE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems that the traditional white concrete has low whiteness and poor brightness, and it is easy to turn yellow and black when exposed to sunlight for a long time, and the whiteness and brightness decrease. Preparation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The preparation method of high-brightness white high-weather-resistance white concrete is realized according to the following steps:

[0034] 1) White cement: fly ash: mineral powder: bentonite: titanium dioxide: zinc sulfide: ultramarine blue = 100:8:25:10:3:1.5:0.04 according to the mass ratio, and the powdered raw materials are weighed; according to the mass ratio Powder raw materials: white ore: white sand: water reducer: mixing water = 100: 207: 144: 1.5: 35 Weigh white ore, white sand, water reducer and water; 2) first mix cement, fly ash, ore Mix powder, bentonite, titanium dioxide, zinc sulfide, and ultramarine blue in a concrete mixer for 1 minute to mix the powders evenly; then add white ore and white sand to dry mix for 45 seconds; then mix water reducer and water and add to the mixer ; Stir the above-mentioned raw materials evenly to make a mixture, and then obtain a high-brightness white high-weather-resistant white concrete slurry.

[0035] The whiteness ...

Embodiment 2

[0037] The preparation method of high-brightness white high-weather-resistance white concrete is realized according to the following steps:

[0038] 1) White cement: fly ash: mineral powder: bentonite: titanium dioxide: zinc sulfide: cement blue = 100: 15: 20: 8: 6: 1: 0.008 by mass ratio, and the powdered raw materials are weighed; Powder raw materials: white ore: white sand: water reducer: mixing water = 100: 300: 190: 1.0: 48 Weigh white ore, white sand, water reducer and water; 2) first mix cement, fly ash, ore Powder, bentonite, titanium dioxide, zinc sulfide, and cement blue are mixed in the concrete mixer for 1 minute to make the powders mix evenly; then put in white ore and white sand and dry mix for 45 seconds; then mix the water reducer and water and add it to the mixer ; Stir the above-mentioned raw materials evenly to make a mixture, and then obtain a high-brightness white high-weather-resistant white concrete slurry.

[0039] The whiteness of the prepared white c...

Embodiment 3

[0041] The preparation method of high-brightness white high-weather-resistance white concrete is realized according to the following steps:

[0042] 1) White cement: fly ash: mineral powder: bentonite: titanium dioxide: zinc sulfide: phthalocyanine blue = 100: 10: 15: 8: 4: 0.7: 0.001 according to the mass ratio, and the powdered raw materials are weighed; Ratio is powdered raw material: white ore: white sand: water reducer: mixing water = 100: 175: 115: 2.1: 30 Weigh white ore, white sand, water reducer and water; 2) first mix cement, fly ash, Mineral powder, bentonite, titanium dioxide, zinc sulfide, and phthalocyanine blue are stirred in a concrete mixer for 1 minute to make the powders mix evenly; then put in white ore and white sand and dry mix for 45 seconds; then mix the water reducer and water and add In the mixer; the above raw materials are stirred evenly to make a mixture, and a high-brightness white high-weather-resistant white concrete paste is obtained.

[0043]...

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PUM

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Abstract

The invention relates to a method for preparing high bright white and high durable white concrete characterized in that the concrete is composed of white cement, white ore, white sand, fly ash, mineral powder, bentonite, titanium dioxide, luminescent substance, blue pigment, water reducing agent and water, wherein the weight ratio of each component in the powdery materials is as follows: white cement: fly ash: ore powder: bentonite: titanium dioxide: luminescent substance: blue pigment=100: 8-15: 10-30: 5-10: 2-6: 0.5-3: 0.001-0.05; powdery material: white ore: white sand: water reducing: mixing water=100: 150-300: 110-250: 0.5-3: 25-60. The prepared white concrete has advantages of higher whiteness and brightness, good weatherability, higher intension and excellent working performance.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a preparation method of high-brightness white high-weather-resistant white concrete. Background technique [0002] For a long time, concrete has been mainly used in construction engineering structural materials. Due to the gray color and rough surface of concrete itself, it is not suitable as a decorative material for buildings. In order to make the building beautiful, it is generally necessary to decorate the concrete surface, such as painting decorative materials, paving decorative panels, etc. These finishes not only consume a lot of man-hours and materials, and greatly increase the project cost, but also tend to fade, peel off, and drop bricks with the extension of the service period, which seriously affects the appearance of the building. As early as the 1920s, attempts to directly make concrete into decorative materials began at home and abroad; in the 1940s,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
CPCC04B28/02C04B2103/0019C04B2111/2038C04B2111/802Y02W30/91C04B14/02C04B14/06C04B14/104C04B18/08C04B22/06C04B22/142C04B40/0028C04B2103/54
Inventor 吴文贵王军杨文顾晴霞武铁明孙克平黄波吴静陈景高育欣徐芬莲
Owner CHINA STATE CONSTR READY MIXED CONCRETE CO LTD
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