Multifunctional putty for building external walls

A multi-functional technology for building exterior walls, applied in the direction of filling slurry, etc., can solve the problem of poor putty effect, achieve strong weather resistance, improve reflection and heat insulation ability, and delay pulverization

Inactive Publication Date: 2011-11-16
武汉市丰达建筑节能材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, none of the existing putties meet

Method used

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Examples

Experimental program
Comparison scheme
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Example Embodiment

[0008] A multifunctional putty for building exterior walls. Its components are composed of 30% white cement, 16% sericite, 20% talc, 30% quartz sand, 3.5% latex powder, 0.1% by weight. % Defoamer, 0.1% naphthalene series water reducer, 0.1% methyl cellulose, 0.1% water repellent and 0.1% wood fiber. Among them, white cement, sericite, talc and quartz sand are the main materials, and the other components are additives.

[0009] In this example, the white cement is 325 white cement, the sericite is 800 mesh wet sericite, the talc is 400 mesh, the quartz sand is 100 mesh, the latex powder is FL22 latex powder, and the defoamer is defoamer sb2320d1. The methyl cellulose is 100,000 methyl cellulose, and the water repellent is 1490 water repellent.

[0010] Sericite is a natural fine-grained muscovite, belonging to a subspecies of muscovite. Compared with muscovite, it has the characteristics of small natural particle size, easy processing, and ultrafineness. Its structure is composed o...

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PUM

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Abstract

The invention discloses multifunctional putty for building external walls, consisting of the following components in percentage by weight: 30% of white cement, 16% of sericite, 20% of talcum powder, 30% of quartz sand, 3.5% of re-dispersible polymer powder, 0.1% of defoaming agent, 0.1% of naphthalene-series water reducer, 0.1% of methylcellulose, 0.1% of waterproof agent and 0.1% of wood fiber. According to the invention, the sericite is used as functional padding so that the putty disclosed by the invention has strong weather ability because the sericite has a trough for absorbing ultraviolet lights as high as 85% and has a strong function for shielding ultraviolet lights. Moreover, through the sheet overlapping and blocking function of the sericite because of high radius-thickness ratio, the reflection and thermal-insulation capability can be effectively improved and the heat-insulating performance of the putty is enhanced. The sericite has active hydroxyl groups and is easy to combine and wrap with molecular chains in the re-dispersible polymer powder so that the comprehensive mechanical property and the penetration resistance of the putty are greatly improved.

Description

technical field [0001] The invention relates to a functional architectural decorative coating, in particular to a multifunctional putty for building exterior walls. Background technique [0002] With the progress of the society and the development of the economy, the standard of living is gradually improving, and people are paying more and more attention to the comfort of the living environment, and the requirements for buildings are also constantly increasing. [0003] Architectural coatings are actually a semi-finished product in the field of construction. Only the coating that is formed into a film and attached to the base surface of the wall is the final product. Among them, putty is a supporting material in the coating process of architectural coatings. It plays the role of linking up and down, bonding and transitioning between the base layer of the wall and the coating film. Membrane peeling, other special functions and other important functions. [0004] With the vi...

Claims

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Application Information

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IPC IPC(8): C09D5/34
Inventor 陈祖斌李栋陈祖才
Owner 武汉市丰达建筑节能材料有限公司
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