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Polymer concrete pipeline material

A polymer and pipeline technology, applied in the field of polymer concrete, can solve the problems of unable to further reduce the resin content, curb the development of PC, and poor durability, so as to prevent water from entering the structure, improve insulation performance and anti-corrosion performance, and improve compactness Effect

Inactive Publication Date: 2018-02-16
山东省呈祥电工电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is large shrinkage and poor durability when hardened. At the same time, the existing polymer concrete (PC) needs to achieve its planned effect. The amount of polymer binder (ie resin) is usually controlled at 9-25%. However, PC The nature of the resin mainly depends on the type and performance of the polymer binder, the performance of the aggregate, the performance of their raw materials and the formulation technology. At present, the content of resin controlled in PC can only reach ≥8%, generally 12-15%. It is impossible to further reduce the content of resin in PC, which has become a major problem restricting the development of PC

Method used

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  • Polymer concrete pipeline material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A polymer concrete pipeline material, in terms of mass percentage, comprising 92.8% of aggregate, 7.2% of resin binder and auxiliary agent in total, and the aggregate comprises 25:35:14:14:7:5 mass ratio 3 / 8-4 mesh quartz sand, 4 mesh < particle size ≤ 10 mesh quartz sand, 10 mesh < particle size ≤ 30 mesh quartz sand, 30 mesh < particle size ≤ 70 mesh quartz sand, 70 mesh < particle size ≤ 120 mesh Quartz sand, 120 mesh < particle size ≤ 250 mesh quartz sand.

[0028] Among them, the auxiliary agent is 1.5% curing agent, 0.3% accelerator, 1.5% coupling agent, 0.025% polymerization inhibitor and 3% flame retardant, which account for 1.5% of the resin adhesive.

[0029] Among them, the parameters of each component of the aggregate are controlled as follows: moisture content ≤ 0.2%, mud content ≤ 0.5%, silicon content ≥ 90%, acid resistance ≥ 95%, and the texture is hard and round.

[0030] The resin binder used in the present invention is a resin binder treated with sty...

Embodiment 2

[0039] A polymer concrete pipeline material, in terms of mass percentage, including 92% of aggregate, 8% of resin binder and auxiliary agent in total, and the aggregate includes a mass ratio of 20:30:12:12:5:3 1-3 mesh quartz sand, 5-8 mesh quartz sand, 15-25 mesh quartz sand, 40-60 mesh quartz sand, 80-110 mesh quartz sand, 150-200 mesh quartz sand.

[0040] Among them, the auxiliary agent is a curing agent accounting for 1.7% of the resin adhesive, 0.27% accelerator, 1.3% coupling agent, 0.024% polymerization inhibitor, and 4% flame retardant.

[0041] Among them, the parameters of each component of the aggregate are controlled as follows: moisture content ≤ 0.2%, mud content ≤ 0.5%, silicon content ≥ 90%, acid resistance ≥ 95%, and the texture is hard and round.

[0042] The resin binder used in the present invention is a resin binder treated with styrene. Due to the high viscosity and poor fluidity of the resin, the styrene treatment reduces the viscosity of the resin and ...

Embodiment 3

[0051] A polymer concrete pipeline material, which comprises 92.5% of aggregate, 7.5% of resin binder and auxiliary agent in total in terms of mass percentage, and the aggregate comprises 30:40:16:16:10:8 mass ratio 1.5-2 mesh quartz sand, 6-7 mesh quartz sand, 18-23 mesh quartz sand, 45-55 mesh quartz sand, 90-100 mesh quartz sand, 180-230 mesh quartz sand.

[0052] Among them, the auxiliary agent is a curing agent accounting for 1.5% of the resin adhesive, 0.2% accelerator, 1% coupling agent, 0.02% polymerization inhibitor, and 5% flame retardant.

[0053] Among them, the parameters of each component of the aggregate are controlled as follows: moisture content ≤ 0.2%, mud content ≤ 0.5%, silicon content ≥ 90%, acid resistance ≥ 95%, and the texture is hard and round.

[0054] The resin binder used in the present invention is a resin binder treated with styrene. Due to the high viscosity and poor fluidity of the resin, the styrene treatment reduces the viscosity of the resin ...

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Abstract

The invention relates to a polymer concrete pipeline material and belongs to the technical field of polymer concrete. The polymer concrete pipeline material is prepared from the ingredients in percentage by mass: 92% to 93.5% of aggregates and 6.5% to 8% of resin binder and auxiliaries, wherein the aggregates comprise quartz sand with the grain size of 3 / 8 to 4 meshes, quartz sand with the grain size of 4 to 10 meshes, quartz sand with the grain size of 10 to 30 meshes, quartz sand with the grain size of 30 to 70 meshes, quartz sand with the grain size of 70 to 120 meshes and quartz sand withthe grain size of 120 to 250 meshes, which are in the mass ratio of (20 to 30): (30 to 40): (12 to 16): (12 to 16): (5 to 10): (3 to 8). According to the polymer concrete pipeline material disclosed by the invention, through the matching and designing among the ingredients, the prepared polymer concrete material is low in cost, long in service life and excellent in comprehensive performance and isenvironmentally friendly, corrosion-resistant, pressure-proof and cold-resistant.

Description

technical field [0001] The invention belongs to the technical field of polymer concrete, and relates to a material for producing polymer concrete pipes. The polymer concrete material of the present invention is prepared through the matching and design of the components, and the polymer concrete material prepared is low in cost, environmentally friendly, corrosion-resistant, pressure-resistant and cold-resistant, impermeable, salt-brine corrosion-resistant, stamping-resistant, cavitation-resistant, and has a long service life. , Excellent overall performance. Background technique [0002] Concrete is more and more widely used in engineering practice because of its advantages such as wide selection of materials, low price, and simple production process. However, ordinary cement concrete is a heterogeneous material with a porous structure and is a typical brittle material. It has a high elastic modulus, poor flexural resistance, freeze-thaw resistance, and corrosion resistance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/18C04B20/00
Inventor 温振刚李先众谢云龙
Owner 山东省呈祥电工电气有限公司
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