Composite epoxy asphalt pavement material and preparation method thereof

A pavement material, epoxy asphalt technology, applied in the direction of building insulation materials, building components, buildings, etc., can solve the problems of asphalt early strength improvement effect is not obvious, closed for a long time, long curing time, etc., to shorten the open traffic Time, faster curing speed, and improved dispersibility

Inactive Publication Date: 2020-05-29
江苏中新苏通市政工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing epoxy asphalt pavement materials use polytetrafluoroethylene rubber and polyvinyl difluoride to increase the high and low temperature resistance, corrosion resistance, aging resistance and toughness of the asphalt mixture, and add polyvinyl chloride fiber Improve the aging resistance, wear resistance, and moth resistance of pavement materials, and use nickel phosphate, silicon carbide and kaolin to improve the high

Method used

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  • Composite epoxy asphalt pavement material and preparation method thereof
  • Composite epoxy asphalt pavement material and preparation method thereof
  • Composite epoxy asphalt pavement material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0039] Preparation example 1-3 of modified epoxy resin

[0040] In preparation examples 1-3, the bisphenol A epoxy resin was selected from the bisphenol A epoxy resin sold by Wanqian Chemical with the model number TC-K51, and the bismaleimide was selected from Wuhan Lanabai Pharmaceutical Chemical Co., Ltd., silicon The ketone resin is selected from the silicone resin of Dow Corning 805 sold by Guangzhou Soman Trading Co., Ltd., and the glass powder is selected from the glass powder with the article number 6502 sold by the Shunze Minerals Processing Plant in Lingshou County.

Example Embodiment

[0041] Preparation Example 1: Stir 3.5kg of bisphenol A epoxy resin and 2.8kg of bismaleimide at 100°C for 2h, then cool to 40°C, add 2.2kg of methyltetrahydrophthalic anhydride, continue to stir for 30min, add 1.4 Kg of methyl isobutyl ketone and 1.6 kg of silicone resin were mixed uniformly, 0.8 kg of glass powder, 1.2 kg of diboron trioxide and 2 kg of strontium chromate were added, and stirring was continued for 1 hour to obtain modified epoxy resin.

Example Embodiment

[0042] Preparation Example 2: Stir 4.5kg of bisphenol A epoxy resin and 3.1kg of bismaleimide at 110°C for 1.5h, then cool to 45°C, add 2.8kg of methyltetrahydrophthalic anhydride, continue to stir for 35min, add 2.1kg of methyl isobutyl ketone and 2.1kg of silicone resin were mixed uniformly, 1.2kg of glass powder, 2.0kg of diboron trioxide and 2.5kg of strontium chromate were added, and stirring was continued for 1.5 hours to obtain modified epoxy resin.

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Abstract

The invention discloses a composite epoxy asphalt pavement material and a preparation method thereof. The composite epoxy asphalt pavement material comprises, by weight, 23.5-45.5 parts of modified epoxy resin, 40-60 parts of petroleum asphalt, 30-50 parts of basalt coarse aggregate, 15-25 parts of limestone mineral powder, 10-15 parts of cement, 5-10 parts of a plasticizer, 5-10 parts of a composite compatibilizer and 5-10 parts of a curing agent; and the curing agent is prepared from, by weight, 3.6-5.8 parts of tung oil anhydride, 2.2-3.4 parts of 2-methyl-4-ethylimidazole, 1.2-2.6 parts of4,4'-diaminodiphenylsulfone and 2.8-3.6 parts of polyamide acid. The composite epoxy asphalt pavement material has the advantages of short curing time, high early strength, shortening of the trafficopening time, absorbing of automobile exhaust, purifying of air and reduction of air pollution.

Description

technical field [0001] The invention relates to the technical field of pavement pavement materials, more specifically, it relates to a composite epoxy asphalt pavement material and a preparation method thereof. Background technique [0002] With the development of my country's transportation industry, higher and higher requirements are put forward for the technical performance of road asphalt materials. Various modified asphalts have emerged, such as adding rubber, resin, sulfur and other high polymers to asphalt to improve the road performance of asphalt concrete. Among them, thermosetting material modified asphalt introduces thermosetting The reactive group endows the material with excellent properties, such as high temperature stability, fatigue performance, solvent resistance, etc. Currently, thermosetting materials used in modified asphalt include epoxy resin, polyurethane, phenolic resin, acrylic acid, etc. [0003] Among them, the epoxy asphalt prepared by epoxy resi...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L63/00C08L79/08C08L83/04C08L91/00C08L91/06C08K13/06C08K9/06C08K9/02C08K3/34C08K3/26C08K3/40C08K3/38C08K3/22C08G59/60C08G59/58
CPCC08L95/00C08G59/60C08G59/58C08K2003/265C08L2201/08C08L2205/04C08L2205/035C08K2003/2251C08K2003/2244C08K2201/011C08K2201/014C08L63/00C08L79/085C08L83/04C08L91/00C08L91/06C08K13/06C08K9/06C08K9/02C08K3/34C08K3/26C08K3/40C08K3/38C08K3/22
Inventor 秦可畏关晓芳向波冯赢吴晨晨
Owner 江苏中新苏通市政工程有限公司
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