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Anti-cracking cement mortar

A technology of cement mortar and polyurethane rigid foam, which is applied in the field of anti-cracking cement mortar, can solve the problems of high cost and cumbersome process, and achieve the effect of light material, low cost and long wall life

Inactive Publication Date: 2005-01-26
冀广宁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the process is cumbersome and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] Concrete implementation method of the present invention: after pulverizing the collected polyurethane rigid foam waste, mix it into 325# Portland cement mortar, the ratio of mixing is: volume ratio, 1 part of cement mortar mixes 1 part of polyurethane rigid foam particles, Mix well and use.

[0012] The invention can be used for the plastering layer of ordinary walls, and can also be directly applied to the wall insulation layer, and the plastering effect of the hard polyurethane foam insulation layer is the best.

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PUM

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Abstract

Disclosed is an anti-cracking cement mortar characterized in that, the cement mortar is charged by polyurethane hard bubble particles, wherein the volume proportion of the charged polyurethane hard bubble particles being, 1-2 parts of polyurethane hard bubble particles in 1 part of cement mortar.

Description

1. Technical field [0001] The invention relates to building wall plastering cement mortar, in particular to an anti-cracking cement mortar. 2. Background technology [0002] Microcracks and wind cracks in the cement mortar plastering layer of buildings have always been a difficult problem in the construction industry. The industry standard of the People's Republic of China "Design Standards for Energy Conservation of Residential Buildings in Hot Summer and Cold Winter Areas" (JGJ134-2001) has been implemented since October 1, 2001. It is mandatory for external walls of buildings to be thermally insulated to fully realize building energy conservation. 50% of the second-step strategic goals. Since then, walls with insulation layers are very common, and it is easier to crack when plastered with cement mortar on the insulation layer, which further increases the difficulty of crack resistance. Usually, it is not allowed to directly use ordinary cement mortar for plastering const...

Claims

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Application Information

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IPC IPC(8): C04B24/28
Inventor 冀广宇
Owner 冀广宁
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