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Pavement abrasion-resistant layer based on epoxy resin and method for preparing same

A technology of epoxy resin and wear-resistant layer, which is applied in the direction of epoxy resin glue, cohesive pavement paved on site, roads, etc., and can solve the problem of poor compatibility between epoxy resin and asphalt resin, uneven cured product, and aging resistance Poor performance and other problems, achieve good low-temperature deformation ability, reduce repair and maintenance costs, and achieve good stability

Inactive Publication Date: 2014-07-09
HUBEI QIANGHUA ROAD & BRIDGE SURFACE NEW MATERIALS PAVING ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the former is mixed and cured with the curing agent, it has the disadvantages of poor aging resistance, high embrittlement temperature, and brittleness when cold
The latter has the disadvantages of poor compatibility between epoxy resin and asphalt, and the resin is easy to separate from the asphalt. A curing agent is added to the mixture of the two for curing, and the cured product obtained is uneven due to the condensation of the resin.

Method used

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  • Pavement abrasion-resistant layer based on epoxy resin and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] A pavement wear-resistant layer based on epoxy resin, which is made of the following raw materials in parts by weight:

[0067] Raw material parts by weight

[0068] 65 parts of epoxy resin

[0069] Modified epoxy resin 11 parts

[0070] Dioctyl phthalate 4 parts

[0071] Amino-terminated polyether (ATPE for short) 15 parts

[0072] Alicyclic amine curing agent 30 parts

[0073] Modified amine curing agent 12 parts

[0074] 44 parts of curing accelerator.

[0075] Step 1), weigh epoxy resin, modified epoxy resin, and dioctyl phthalate in proportion and mix them in a stirring container, which is component A;

[0076] Step 2), weigh the amino-terminated polyether, alicyclic amine curing agent, modified amine curing agent, and curing accelerator in proportion, put them in a stirring container and mix them evenly, and become component B;

[0077] Step 3) Pour component B into the pre-prepared container for stirring, and then add component A in a ratio of 1:1 by weigh...

Embodiment 2

[0082] Example 2: A pavement wear-resistant layer based on epoxy resin, which is made of the following raw materials in parts by weight (preferred range):

[0083] Raw material parts by weight

[0084] 70 parts of epoxy resin

[0085] Modified epoxy resin 22 parts

[0086] Dioctyl phthalate 9 parts

[0087] Amino-terminated polyether (ATPE for short) 17 parts

[0088] Alicyclic amine curing agent 19 parts

[0089] Modified amine curing agent 16 parts

[0090] 44 parts of curing accelerator.

[0091] Step 1), weigh epoxy resin, modified epoxy resin, and dioctyl phthalate in proportion and mix them in a stirring container, which is component A;

[0092] Step 2), weigh the amino-terminated polyether, alicyclic amine curing agent, modified amine curing agent, and curing accelerator in proportion, put them in a stirring container and mix them evenly, and become component B;

[0093] Step 3) Pour component B into the pre-prepared container for stirring, and then add compone...

Embodiment 3

[0098] Example 3: A pavement wear-resistant layer based on epoxy resin, which is made of the following raw materials in parts by weight (preferable range):

[0099] Raw material parts by weight

[0100] 80 parts of epoxy resin

[0101] Modified epoxy resin 27 parts

[0102] Dioctyl phthalate 12 parts

[0103] Amino-terminated polyether (ATPE for short) 23 parts

[0104] Alicyclic amine curing agent 28 parts

[0105] Modified amine curing agent 25 parts

[0106] 30 parts of curing accelerator.

[0107] Step 1), weigh epoxy resin, modified epoxy resin, and dioctyl phthalate in proportion and mix them in a stirring container, which is component A;

[0108] Step 2), weigh the amino-terminated polyether, alicyclic amine curing agent, modified amine curing agent, and curing accelerator in proportion, put them in a stirring container and mix them evenly, and become component B;

[0109] Step 3) Pour component B into the pre-prepared container for stirring, and then add compo...

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Abstract

The present invention relates to the technical field of directly paving road surfaces with epoxy resin thin layer materials, and more specifically relates to a road surface wear-resistant layer based on epoxy resin, which is made of the following raw materials in parts by weight: 65-85 parts of epoxy resin 10-27 parts of modified epoxy resin; 4-12 parts of dioctyl phthalate; 14-28 parts of amino-terminated polyether (ATPE for short); 15-35 parts of alicyclic amine curing agent; modified amine 10-25 parts of curing agent; 30-50 parts of curing accelerator. At the same time, it also relates to a preparation method of an epoxy resin-based pavement wear-resistant layer. This method has high strength, good toughness, high impact strength, good chemical corrosion resistance, wear resistance, water resistance and frost resistance, and can be widely used. It is widely used in bridges, highways, buildings, etc., and construction industries, and has broad development prospects.

Description

technical field [0001] The invention relates to the technical field of directly paving road surfaces with epoxy resin thin-layer materials, and more specifically relates to an epoxy resin-based pavement wear-resistant layer and a preparation method thereof. Background technique [0002] In foreign countries, epoxy resin (EP) pavement materials are mature products, and epoxy resin pavement materials have long been used in high-grade highways, airstrips and other places. Compared with traditional materials, roads built with epoxy resin pavement materials have the advantages of high strength, durability, and convenient construction and maintenance. In the last two years, epoxy resin has developed vigorously in my country. According to data reports, most of the epoxy resin and tar mixtures, or epoxy resin and asphalt mixtures are used at present. After the former is mixed and cured with a curing agent, it has the disadvantages of poor aging resistance, high embrittlement temper...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G59/50C09J163/00C09J11/06C09J11/08E01C7/35
Inventor 夏国寅
Owner HUBEI QIANGHUA ROAD & BRIDGE SURFACE NEW MATERIALS PAVING ENG