Decorative concrete for building external envelope structure and preparation method thereof

A technology for decorating concrete and enclosure structures, which is applied in the field of building material decoration, can solve the problems of unsuitable decoration, easy construction and high strength and high durability, and achieve the improvement of mechanical properties and durability, formula optimization, and production The effect of process optimization

Active Publication Date: 2016-01-13
江苏倍立达新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the difficulty of combining decoration, easy construction and high strength and high durability in the existing decorative concrete, and provides a low-viscosity decorative concrete and its preparation method, which is especially suitable for building envelope structures. decorative concrete

Method used

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  • Decorative concrete for building external envelope structure and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0032] (1) Weigh 40kg of silica fume, 40kg of acicular wollastonite powder mixture, 2kg of polydimethylsiloxane, 3kg of high-carbon alcohol fatty acid ester, 10kg of powdered polycarboxylate superplasticizer, 2kg of vinyl acetate according to the formula ratio Copolymer resin of ester and ethylene, 2kg polyethylene wax, 1kg toner, mixed for 10min to obtain uniform decorative powder;

[0033] (2) Weigh 60kg of water, 3kg of polycarboxylate water reducer, 3kg of polycarboxylate slump retaining agent, and 1kg of polyoxypropylene oxide glyceryl ether according to the proportion of the formula, mix them evenly, and stir for 1 minute to obtain a solution;

[0034] (3) Put 100kg of low-viscosity decorative powder prepared according to step (1), 167kg of white Portland cement, and 167kg of ultra-fine discontinuous graded sand in a self-made mixing container, and stir at a speed of 30r / min for 5min to make it uniform Mix, put in 80% of the solution prepared according to step (2), stir ...

Embodiment example 2

[0037](1) Weigh 46kg of superfine metakaolin, 50kg of nano-active calcium carbonate mixture, 0.05kg of high-carbon alcohol fatty acid ester, 0.05kg of polyoxyethylene polyoxypropanolamine ether, and 1kg of powder polycarboxylate water-reducing Agent, 1kg ethylene, vinyl chloride and lauryl vinyl ester ternary copolymer resin, 1kg sodium cetylbenzenesulfonate, 0.9kg toner, mixed for 10min to obtain a uniform decorative powder;

[0038] (2) Weigh 97kg of water, 1.4kg of polycarboxylate water reducer, 1kg of polycarboxylate slump retaining agent, and 1kg of polyoxypropylene oxide glyceryl ether according to the proportion of the formula, mix them evenly, and stir for 2 minutes to obtain a solution;

[0039] (3) Put 100kg of low-viscosity decorative powder prepared according to step (1), 500kg of white Portland cement, and 400kg of ultra-fine discontinuous graded sand in a self-made mixing container, and stir at a speed of 50r / min for 5min to make it uniform Mix, put in 80% of the...

Embodiment example 3

[0042] (1) Weigh 42kg of limestone powder, 40kg of superfine silica powder, 1kg of polyoxyethylene polyoxypropanolamine ether, 1kg of polydimethylsiloxane, and 2kg of powdered polycarboxylate superplasticizer according to the formula ratio. 5kg of vinyl acetate, ethylene and higher fatty acid vinyl ester ternary copolymer resin, 3kg of stearate, 6kg of toner, mixed for 10min to obtain a uniform decorative powder;

[0043] (2) Weigh 64.94kg of water, 10kg of polycarboxylate superplasticizer, 5kg of naphthalene-based slump-retaining agent, and 0.1kg of polyoxypropylene oxide glyceryl ether according to the proportion of the formula, mix them evenly, and stir for 2 minutes to obtain a solution;

[0044] (3) Put 100kg of low-viscosity decorative powder prepared according to step (1), 300kg of white Portland cement, and 300kg of ultra-fine discontinuous graded sand in a self-made mixing container, and stir at a speed of 40r / min for 5min to make it uniform Mix, put in 80% of the sol...

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Abstract

The invention discloses a decorative concrete for building external envelope structures and a preparation method thereof. The decorative concrete is suitable for building external wall decoration, internal wall decoration and artistic sculptures and the like. The decorative concrete is composed of white Portland cement, low-viscosity decorative powder, ultrafine non-continuously-grading sand and a solution with addition of fibers in certain doping quantity. The decorative concrete can reach 50-100 years in service life, can achieve free regulation of colors, and satisfies the requirements in the aspects of strength, durability, decorative property, artistry, application property, self maintenance and the like.

Description

technical field [0001] The invention belongs to the technical field of building material decoration, and relates to a decorative concrete and a preparation method thereof, which can be applied to building exterior wall decoration, interior wall decoration, sculptures with artistic shapes, etc., and is especially suitable for building external protection structures. Background technique [0002] At present, decorative concrete mostly uses GRC (glass fiber reinforced cement), GRP (glass fiber reinforced plastic), and GRG (glass fiber reinforced gypsum) as non-load-bearing decorative panels, which are used for building exterior wall decoration, interior wall decoration or a certain Art-shaped sculptures, etc.; but due to the natural defects and deficiencies of their own materials - easy to crack, aging, low strength, and poor durability, their general service life is too short, and it is rare that they can still be used safely for 20 years . However, the entry threshold in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B14/06
Inventor 刘以君张敦谱方寅生许升
Owner 江苏倍立达新材料科技有限公司
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