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Special pointing adhesive for decorative aerated concrete block exterior wall

A technology of air-entrained concrete and jointing glue, applied in the directions of adhesive, adhesive type, adhesive additive, etc., to achieve the effect of low manufacturing cost, reliable bonding, guaranteeing decorative effect and waterproofness

Inactive Publication Date: 2012-06-06
ANHUI INST OF BUILDING RES & DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of pointing, wall decoration and waterproofing during the construction of decorative exterior wall aerated concrete blocks, the invention provides a special pointing glue, which is styrene-butadiene latex (butadiene-styrene Copolymer emulsion, SBL emulsion) and general cement as the main material, is an organic-inorganic composite jointing adhesive

Method used

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Examples

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Embodiment Construction

[0016] (1) The formula of the slurry is (mass%): water 7.0-8.5; styrene-butadiene latex 40.0-50.0; diisooctyl succinate sulfonate wetting agent 0.2-0.35; fatty alcohol polyoxyethylene ether wetting agent 0.2~0.35; 5% 1788 type polyvinyl alcohol aqueous solution 6.0~8.0; tributyl phosphate defoamer 0.03~0.04; tetrachloroisophthalonitrile antifungal agent 0.08~0.12.

[0017] (2) The preparation procedure of slurry is: weigh various raw materials according to the formula; Put water, tetrachloroisophthalonitrile fungicide into suitable container, stir evenly; Drop into 5% 1788 type polyvinyl alcohol aqueous solution, Stir the styrene-butadiene latex evenly; finally put in the polyvinyl alcohol dioctyl succinate sulfonate wetting agent, the fatty alcohol polyoxyethylene ether wetting agent and the tributyl phosphate defoamer and stir evenly.

[0018] (3) The formula of the powder is (mass%): general cement 55.0-65.0; fly ash 10.0-20.0; calcium carbonate powder 25.0-35.0.

[0019] ...

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PUM

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Abstract

The invention discloses a special pointing adhesive for a decorative aerated concrete block exterior wall. The pointing adhesive is an organic-inorganic compound with an organic component of butylbenzene latex and an inorganic component of cement. As performance of the butylbenzene latex and introduction of a plurality of multifunctional assistants, the pointing adhesive has better flexibility, bonding strength and wellability to the aerated concrete block than an ordinary pointing adhesive. The pointing adhesive of the invention contains two components of a slurry and a powder in separate packages. The slurry comprises water, butylbenzene latex, wetting agent, 1788 type polyvinyl alcohol aqueous solution, antifoaming agent and mildew inhibitor; and the powder comprises cement, fly ash and calcium carbonate powder. The slurry and the powder are cooperatively packaged according to a proportion.

Description

Technical field: [0001] The invention relates to a special pointing glue for the construction of aerated concrete blocks for decorative exterior walls. The pointing glue is an organic-inorganic composite type, and the organic component is styrene-butadiene latex (butadiene-styrene copolymer emulsion, SBL emulsion); the inorganic component is general cement. Due to the inherent characteristics of styrene-butadiene latex and the introduction of various functional additives, this jointing adhesive has better flexibility, bonding strength and wettability to aerated concrete blocks than ordinary jointing adhesives . Background technique: [0002] Commonly used jointing adhesives for tile or decorative block construction are pure organic type or organic-inorganic composite type. Pure organic jointing adhesives have poor wettability to aerated concrete blocks, and are not suitable for jointing on the outer wall of aerated concrete blocks, and are expensive and have poor water res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J109/08C09J11/04C09J11/06C09J11/08
Inventor 徐永进
Owner ANHUI INST OF BUILDING RES & DESIGN
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