Resin mortar applied for FRPM pipes and a preparing method thereof

A technology of resin mortar and resin, applied in the field of high-performance resin mortar and its production

Active Publication Date: 2016-11-09
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even in the FRPM pipe made by the international leading techno...

Method used

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  • Resin mortar applied for FRPM pipes and a preparing method thereof
  • Resin mortar applied for FRPM pipes and a preparing method thereof
  • Resin mortar applied for FRPM pipes and a preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 3

[0044] Taking Example 3 and testing it in an environment of 25°C, the measured average flexural modulus of elasticity is 17.5GPa.

[0045] Each embodiment resin mortar density of table 4

[0046]

[0047]

[0048] From the comparison results, it can be seen that the influence of different quartz sand grades on the finished resin mortar has the following two aspects:

[0049] (1) Resin dosage

[0050] As a multi-component aggregate grading system, the bulk density of the mixed graded quartz sand is closely related to the porosity, and the porosity between the particles of the graded quartz sand with high bulk density is smaller, and the amount of resin cement used for filling is also less. , and then the amount of resin has also been reduced.

[0051] (2) Mechanical properties

[0052] The resin mortar with high density is denser inside and has fewer defects, so its mechanical properties are better.

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Abstract

Resin mortar applied for FRPM pipes and a preparing method thereof are disclosed. The resin mortar comprises resin and quartz sand. In specific, the resin mortar comprises, by mass, 11-14% of the resin and 86-89% of the quartz sand, wherein the resin comprise, by mass, 0.7-0.9% of a curing agent that is 2,2-dihydroperoxybutane, 0.7-0.9% of an accelerant that is cobalt iso-octoate/styrene and 0.3-0.6% of a resin auxiliary agent that is a polyacrylate solution, with the balance being ortho- or meta- styryl ester resin. The resin using amount of the resin mortar is lower than the average level that is 18-20% in China so that the cost of the resin mortar is effectively controlled. The flexural modulus of the high-performance resin mortar used for FRPM pipes is obviously higher than the average level that is 6-8 GPa in China.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and relates to a high-performance resin mortar suitable for sand-filled layers of FRPM pipes and a manufacturing method thereof. Background technique [0002] At present, as a long-distance water delivery pipe, FRPM pipe has been widely used in many water supply and drainage projects in my country. FRPM pipe has the characteristics of light weight, high strength, corrosion resistance, excellent hydraulic properties and long service life. According to the type of resin matrix selected, FRPM pipe can also meet the needs of different water supply and drainage projects and has good adaptability. [0003] Resin mortar is the main material to improve the rigidity of FRPM pipes, and the bending performance of resin mortar has a very important influence on the rigidity of pipes. At present, in the FRPM pipe industry, the flexural modulus of resin mortar manufactured by our country's existing...

Claims

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Application Information

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IPC IPC(8): C04B26/04
CPCC04B26/04C04B2201/50C04B14/06C04B24/008C04B24/40C04B24/2676C04B24/2641
Inventor 李鹏吕泳李卓球
Owner WUHAN UNIV OF TECH
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