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Lightweight high-strength polymer mortar and its preparation method, composition and application

A polymer and composition technology, applied in the field of mortar preparation, can solve problems such as complex construction technology and difficulty in ensuring construction quality, and achieve the effects of simple construction technology, appropriate engineering cost, and control of expansion speed

Active Publication Date: 2017-04-05
BEIJING ZHONGKE JIAGU BUILDING MATERIAL SCI &TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The construction process of sticking carbon fiber reinforcement method is complicated, and it is difficult to ensure the construction quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0046] The preparation process of the invention is simple.

[0047] The present invention further provides a light-weight high-strength polymer mortar prepared according to the above-mentioned method.

[0048] The lightweight high-strength polymer mortar of the invention has the advantages of strong bearing capacity, long service life and simple construction process.

[0049] The present invention also provides an application of the above-mentioned lightweight high-strength polymer mortar, including the construction and maintenance and reinforcement of the following projects:

[0050] 1) Highway, railway, urban road, bridge and tunnel engineering;

[0051] 2) Civil and military airport engineering;

[0052] 3) Industrial and civil building engineering;

[0053] 4) Bridge deck pavement structure engineering;

[0054] 5) Ship and port engineering.

Embodiment 1

[0057] A lightweight high-strength mortar with a density of 1.0t / m3, consisting of the following components and proportions:

[0058] The lightweight high-strength polymer mortar uses component A, component B and component C with a mass ratio of 1:1:3 as raw materials. Wherein, the A component is isocyanate, and the B component includes polyethylene adipate diol 45%, polyoxypropylene diol 43%, polyvinyl alcohol 10%, lauric acid type organotin 0.1% catalyst, 0.2% phosphate ester flame retardant, 1.7% cyclopentane blowing agent, the C component includes 15% cement, 15% fly ash, 15% ore powder and 55% quartz sand.

[0059] The percentages in the present invention all refer to weight percentages.

[0060] A preparation process for lightweight high-strength polymer mortar, the specific steps are as follows;

[0061] 1), take by weighing above-mentioned components for subsequent use;

[0062] 2) Pour the weighed components of component B into the container and pre-stir for 4 minu...

Embodiment 2

[0072] A density of 1.6t / m 3 The lightweight high-strength mortar consists of the following components and proportions:

[0073] The lightweight high-strength polymer mortar uses component A, component B, component C and component D with a mass ratio of 1:0.5:4 as raw materials. Wherein, the A component is isocyanate, and the B component includes 15% polyethylene adipate diol, 45% polytetrahydrofuran diol, 38% polyvinyl alcohol, lauric acid type 0.01% organic tin catalyst, 0.1% phosphate ester flame retardant, 1.89% cyclopentane blowing agent, the C component includes 15% cement, 15% fly ash, 10% ore powder and 60% quartz sand.

[0074] A preparation process for lightweight high-strength polymer mortar, the specific steps are as follows;

[0075] 1), take the above-mentioned components according to the amount for subsequent use;

[0076] 2) Pour the weighed components of component B into the container and pre-stir for 3 minutes in order to ensure uniform mixing to obtain th...

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Abstract

The invention discloses light weight and high strength polymer mortar and a preparation method, a composition and application thereof, the composition includes a component A, a component B, a component C and a component D, the component A is isocyanate, the component B includes polyester polyol, polyether polyol, polyvinyl alcohol, a lauric acid type organic tin catalyst, a phosphate flame retardant and a cyclopentane foaming agent; and the component C includes cement, fly ash, quartz sand and mineral powder. The invention also provides a method for preparing the light weight and high strength polymer mortar from the composition used for the light weight and high strength polymer mortar. The invention further provides the application of the light weight and high strength polymer mortar, including application in the engineering construction and maintenance and reinforcement. The light weight and high strength polymer mortar used in bridge reinforcement not only can effectively improve the bearing capacity of a bridge in active service, also can effectively control the crack extension rate, and prolongs the service life of the original structure.

Description

technical field [0001] The invention relates to the field of mortar preparation, in particular to a lightweight high-strength polymer mortar and its preparation method, composition and application. Background technique [0002] With the increase of heavy traffic volume and the improvement of vehicle load level, roads, railways and urban road bridges used under cruel natural conditions generally have reinforced concrete cracks, steel corrosion, concrete falling off and other diseases, and there are extremely serious traffic safety hazards . [0003] At present, conventional bridge reinforcement methods include reinforced concrete cross-section method, pasting steel plate reinforcement method, pasting carbon fiber cloth (grid) reinforcement method and external prestressed reinforcement method, etc. [0004] The key technical problem of the enlarged section method and the pasted steel plate method is how to make the old and new sections work together well. A large number of dr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B24/28
Inventor 刘贵位田甜宋利利
Owner BEIJING ZHONGKE JIAGU BUILDING MATERIAL SCI &TECH CO LTD
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