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Nanometer composite powder material for asphalt modifier

A technology of nano-composite powder and asphalt modifier, which is applied in the direction of building insulation materials, building components, buildings, etc., can solve the problems of asphalt oil flooding, easy aging, rainwater infiltration, etc., and achieve good economic and social benefits. Improve the dispersion performance and stability performance, improve the effect of high and low temperature resistance performance and anti-aging performance

Active Publication Date: 2014-07-09
SUZHOU YUXI NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, asphalt has problems such as oiling and softening in summer, and problems such as hardening and cracking in winter, as well as defects such as rainwater seepage and easy aging

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] 50% of the ceramic waste powder is crushed, ball milled, dried, sieved and granulated to make a powder with a fineness of 350 mesh. Mix octadecyltriethylammonium chloride, magnesium chloride and water evenly, heat the mixture to 60°C, adjust the pH of the mixture to 2 with hydrochloric acid; transfer the prepared mixture into a stirring tank, and add green layer silicon 40% cerite powder, start the emulsifier to stir, heat to 120°C, and stir for 1 hour. Add 2% of silane coupling agent and 8% of nano-titanium dioxide powder into the mixed solution, heat the mixed solution to 160°C, stir and evaporate for 1 hour.

Embodiment 2

[0040] 30% of the ceramic waste powder is sorted, crushed, washed, dried and sieved to make a powder with a fineness of 850 mesh. Mix hexadecyltriethylammonium bromide, calcium chloride and water evenly, heat the mixed solution to 90°C, adjust the pH of the mixed solution to 6 with hydrochloric acid; transfer the prepared mixed solution into a stirring tank, and add green Layer 58% cerite powder, start the emulsifier to stir, heat to 150°C, and stir for 3 hours. Add 2% of titanate coupling agent and 10% of nano-titanium dioxide powder into the mixed solution, heat the mixed solution to 180°C, stir and evaporate for 0.5h.

Embodiment 3

[0042] 34.5% of the ceramic waste powder is sorted, crushed, washed, dried and sieved to make a powder with a fineness of 500 mesh. Mix octadecyltriethylammonium chloride, calcium chloride and water evenly, heat the mixed solution to 80°C, adjust the pH of the mixed solution to 4 with hydrochloric acid; transfer the prepared mixed solution into a stirring tank, and add green Layer 60% cerite powder, start the emulsifier to stir, heat to 130°C, and stir for 2 hours. Add 0.5% of aluminate coupling agent and 5% of nano-titanium dioxide powder into the mixed solution, heat the mixed solution to 170°C, stir and evaporate for 1 hour.

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Abstract

The invention belongs to the technical field of asphalt material preparation, and particularly relates to a nanometer composite powder material for asphalt modifiers. The powder material comprises the following raw materials by weight: 40%-60% of rinkolite powder; 30%-50% of ceramic waste material powder; 5%-10% of nanometer titanium dioxide powder; and 0.5%-2% of a coupling agent. The significant effects of the powder material of the invention are that: 1) ceramic waste materials are added into the raw materials of the invention, which provides a new approach for the treatment of ceramic waste materials, solves the environment pollution problem of waste ceramics, and has good economic benefits and social benefits; 2) the addition of the powder material of the invention can significantly improve the high and low temperature resistance and aging resistance of asphalt roads.

Description

technical field [0001] The invention belongs to the technical field of asphalt material preparation, and in particular relates to a nanocomposite powder material for an asphalt modifier. Background technique [0002] Asphalt is a thermoplastic material that is mainly used as a surface paving material for roads. It has the property of becoming soft at high temperature and brittle at low temperature. Therefore, asphalt has problems such as oiling and softening in summer, and problems such as hardening and cracking in winter, as well as defects such as rainwater seepage and easy aging. To address these issues, we usually modify asphalt. [0003] Due to the large specific surface area and strong interfacial interaction of nano-dispersed phases, quantum effects and surface effects are generated, so that nano-materials not only exhibit properties different from general macro-composite materials, but may also have special properties and functions that the original components do no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08K9/04C08K3/34C08K3/22
Inventor 张宇
Owner SUZHOU YUXI NEW MATERIAL TECH