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Ternary copolymer latex powder waterproof mortar

A technology of waterproof mortar and latex powder, which is applied in the field of building materials, can solve the problems of insufficient solidification speed, slow hardening time, and insufficient anti-adhesive strength, and achieve the effects of enhanced flexibility, rapid solidification and hardening, and improved anti-adhesive strength

Inactive Publication Date: 2016-09-28
常德市万福达环保节能建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the current polymer waterproof mortar generally has the problems of insufficient anti-adhesive strength, low flexibility, insufficient solidification speed, and slow hardening time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Weigh the following raw materials in parts by weight: 500 parts of cement, 600 parts of sand, 0.5 part of polymethyltriethoxysilane, 0.5 part of cellulose ether, 4 parts of vinyl acetate and ethylene tertiary carbonate copolymer, 1 part of wood fiber, 20 parts of silica fume, 2 parts of quick-setting agent, 0.5 parts of calcium formate. The above-mentioned raw materials are poured into a mixer and stirred at a high speed to obtain the waterproof mortar of the present invention.

Embodiment 2

[0013] Weigh the following raw materials in parts by weight: 600 parts of cement, 700 parts of sand, 1.0 parts of polymethyltriethoxysilane, 3 parts of cellulose ether, 12 parts of vinyl acetate and ethylene tertiary carbonate copolymer, 4 parts of wood fiber, 60 parts of silica fume, 8 parts of quick-setting agent, 3 parts of calcium formate. The above-mentioned raw materials are poured into a mixer and stirred at a high speed to obtain the waterproof mortar of the present invention.

Embodiment 3

[0015] Weigh the following raw materials in parts by weight: 550 parts of cement, 650 parts of sand, 1.0 parts of polymethyltriethoxysilane, 2.5 parts of cellulose ether, 11 parts of vinyl acetate and ethylene tertiary carbonate copolymer, 3 parts of wood fiber, 30 parts of silica fume, 5 parts of quick-setting agent, 2 parts of calcium formate. The above-mentioned raw materials are poured into a mixer and stirred at a high speed to obtain the waterproof mortar of the present invention.

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Abstract

The invention discloses ternary copolymer latex powder waterproof mortar which consists of the following raw materials in parts by weight: 500-600 parts of cement, 600-700 parts of sand, 0.5-1.0 part of polymethyl triethoxy silane, 0.5-3 parts of cellulose ether, 4-12 parts of vinyl acetate-vinyl versatate copolymer, 1-4 parts of wood fiber, 20-60 parts of micro-silicon powder, 2-8 parts of accelerator and 0.5-3 parts of calcium formate. The ternary copolymer latex powder waterproof mortar disclosed by the invention has the following beneficial effects: by adding the polymethyl triethoxy silane and vinyl acetate-vinyl versatate copolymer, the anti-sticking strength of the waterproof mortar is improved, and the flexibility is enhanced; and by adding the accelerator and the hardening accelerator calcium formate, the mortar can be quickly solidified and hardened, and the construction speed and quality of a waterproof project are improved.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a ternary copolymer latex powder waterproof mortar. Background technique [0002] Leakage directly affects the life of the entire building. With the improvement of people's requirements for the quality of construction projects, the waterproofing of wall facades and wet base surfaces has attracted more and more attention from the construction industry. On the other hand, the leakage problem of some older concrete building structures has also attracted widespread attention. Among various waterproof materials, rigid waterproof mortar has the problems of poor impermeability, large drying shrinkage and easy cracking. Membrane waterproofing is more suitable for plane construction and the parts with low moisture content of the base. Polymer waterproof mortar is an important way to prevent leakage of buildings. It not only has excellent compressive strength, but also combin...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B111/27
CPCC04B28/00C04B2111/27C04B14/06C04B24/40C04B24/386C04B24/26C04B18/26C04B18/146C04B24/04C04B2103/12
Inventor 金华金彤金靓
Owner 常德市万福达环保节能建材有限公司