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Waterproof mortar and preparation method thereof

A technology of waterproof mortar and cement, which is applied in the field of polymer modified fibers, can solve the problems of human health hindering FRP, endangering the environment, and not being able to reshape, and achieves the effects of improving interface bonding, improving mechanical properties, and improving impermeability

Inactive Publication Date: 2021-01-01
馆陶县晴美环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, behind the widespread application, there is also a large amount of waste that is difficult to handle. There are two main reasons why waste FRP is difficult to recycle. On the one hand, it is its complex components, including glass fibers, resins, fillers and various additives; On the other hand, once the thermosetting resin used in it forms a three-dimensional network cross-linking, it cannot be reshaped.
Due to the high cost of recycling and immature technology, more than 90% of waste FRP is directly landfilled or incinerated, which undoubtedly seriously endangers the environment and human health and hinders the development of the FRP market.
At present, there is no report on improving the waterproof performance of mortar by using polymer pretreatment to modify waste glass fiber reinforced plastic fiber and polypropylene fiber

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] An embodiment of the present invention for preparing waterproof mortar, the waterproof mortar of this embodiment includes the following components in parts by weight: cement, river sand, steel slag, polymer, water-retaining agent, waste glass fiber reinforced plastic fiber, polypropylene fiber, silicon Ash, water.

[0038] The proportion of waterproof mortar is: 60 parts of 42.5# ordinary Portland cement, 135 parts of river sand, 21 parts of steel slag, 6 parts of waste glass steel fiber, 0.6 part of polypropylene fiber, 0.51 part of hydroxypropyl methylcellulose ether, vinyl acetate - 4.8 parts of ethylene copolymer emulsion, 6 parts of silica fume, 50 parts of water. Performance indicators of the prepared waterproof mortar: 7-day impermeability pressure 1.61MPa; 28-day impermeability pressure 1.95MPa; 28-day flexural strength 15MPa; 28-day compressive strength 30.2MPa; 7-day tensile bonding strength 1.21MPa ; 28-day tensile bonding strength of 1.51MPa.

Embodiment 2

[0040] An embodiment of the present invention for preparing waterproof mortar, the waterproof mortar of this embodiment includes the following components in parts by weight: cement, river sand, steel slag, polymer, water-retaining agent, waste glass fiber reinforced plastic fiber, polypropylene fiber, silicon Ash, water.

[0041] The proportion of waterproof mortar is: 60 parts of 42.5# ordinary Portland cement, 189 parts of river sand, 15 parts of steel slag, 3 parts of waste glass fiber reinforced plastic fiber, 1.2 parts of polypropylene fiber, 0.58 part of hydroxypropyl methylcellulose ether, vinyl acetate - 7.2 parts of ethylene copolymer emulsion, 6 parts of silica fume, 60 parts of water. The performance indicators of the prepared waterproof mortar: 7-day impermeability pressure 1.65MPa; 28-day impermeability pressure 2.3MPa; 28-day flexural strength 19.8MPa; 28-day compressive strength 30.4MPa; 7-day tensile bonding strength 1.25 MPa; 28-day tensile bonding strength is ...

Embodiment 3

[0043] An embodiment of the present invention for preparing waterproof mortar, the waterproof mortar of this embodiment includes the following components in parts by weight: cement, river sand, steel slag, polymer, water-retaining agent, waste glass fiber reinforced plastic fiber, polypropylene fiber, silicon Ash, water.

[0044] The proportion of waterproof mortar is: 60 parts of 42.5# ordinary Portland cement, 162 parts of river sand, 15 parts of steel slag, 9 parts of waste glass fiber reinforced plastic fiber, 1.8 parts of polypropylene fiber, 0.44 part of hydroxypropyl methyl cellulose ether, vinyl acetate - 7.2 parts of ethylene copolymer emulsion, 6 parts of silica fume, 55 parts of water. The performance index of the prepared waterproof mortar: 7-day impermeability pressure 1.6MPa; 28-day impermeability pressure 1.87MPa; 28-day flexural strength 14.2MPa; 28-day compressive strength 30.1MPa; 7-day tensile bonding strength 1.29 MPa; 28-day tensile bonding strength is 1....

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Abstract

The invention relates to waterproof mortar and a preparation method thereof, and belongs to the technical field of polymer modified fibers. The waterproof mortar comprises cement, river sand, steel slag, a polymer, a water-retaining agent, waste glass fiber reinforced plastic fibers, polypropylene fibers and silica fume. The waterproof mortar provided by the invention improves the original mechanical properties, aims to provide a research basis for efficient resource utilization of steel slag and waste glass fiber reinforced plastics, realizes best use of the steel slag and the waste glass fiber reinforced plastics, expands the application fields of the steel slag and the waste glass fiber reinforced plastics, is suitable for water resistance, seepage resistance and moisture resistance ofground buildings, overcomes the phenomena of water leakage and water seepage of buildings, and prolongs the service life of building materials.

Description

technical field [0001] The invention relates to a waterproof mortar and a preparation method thereof, belonging to the technical field of polymer modified fibers. Background technique [0002] Cement mortar has the advantages of high compressive strength, good stability, simple construction machinery, and low cost. It is one of the most widely used building materials. However, due to its own defects, such as low flexural strength, poor bonding performance and low cracking strength, its function and scope of use are limited to a certain extent. Fiber has the advantages of convenient processing, low cost, high quality, and chemical corrosion resistance. When it is mixed into cement mortar as a reinforcing material, it can effectively improve the impermeability, bending and cracking strength of the mortar. On the one hand, through the synergistic effect between the polymer modified fiber and various materials, the modified waste glass fiber reinforced plastic fiber and polypro...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B111/27
CPCC04B28/04C04B2111/27C04B2201/50C04B14/06C04B18/142C04B24/26C04B16/0683C04B16/0633C04B18/146C04B24/383
Inventor 冯艳超田智勇马纯超李宁
Owner 馆陶县晴美环保科技有限公司
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