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Pavement thermoregulation paving material based on phase-change heat accumulation microcapsules

A phase-change heat storage material and road surface temperature technology, applied in building insulation materials, building components, buildings, etc., can solve problems such as unusable and cost constraints, and achieve the effects of prolonging service life, reducing temperature sensitivity, and high strength

Inactive Publication Date: 2015-05-13
杨凌领航新材料科技开发有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, both approaches are cost-constrained and cannot be used on existing roads

Method used

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  • Pavement thermoregulation paving material based on phase-change heat accumulation microcapsules
  • Pavement thermoregulation paving material based on phase-change heat accumulation microcapsules

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A pavement temperature regulating pavement material based on phase change heat storage microcapsule technology, obtained by the following method:

[0031] Add 57 parts (mass, the same below) of petroleum asphalt (origin: Shanjiasi) heated to 90-140°C into the reactor, add 1.14 parts of maleimide, raise the temperature to 130-135°C, and wait for the pressure to stabilize. Access to N 2 , keep the total pressure at 0.25MPa, and after 4 hours of reaction, slowly release the pressure to 0.1MPa. Then gradually lower the temperature to 100-110°C, add 24 parts of triethylenetetramine, then programmatically raise the temperature to 130-135°C for 1-3 hours. Then add Jingchuan 9650, 16.2 parts, 5 parts of naphthenic rubber oil, which has been heated to 90-140°C in advance, and pre-mix for 30 minutes; then disperse at high speed through a colloid mill to obtain part A, and finally add part B at a ratio of 2.0:1 Epoxy resin (E-51, Wuxi Resin Factory, wherein the quality of microc...

Embodiment 2

[0033] A pavement temperature regulating pavement material based on phase change heat storage microcapsule technology, obtained by the following method:

[0034] Add 57 parts (mass, the same below) of petroleum asphalt (origin: Shanjiasi) heated to 90-140°C into the reactor, add 1.14 parts of maleimide, raise the temperature to 130-135°C, and wait for the pressure to stabilize. Access to N 2 , keep the total pressure at 0.25MPa, and after 4 hours of reaction, slowly release the pressure to 0.1MPa. Then gradually lower the temperature to 100-110°C, add 14.0 parts of hexamethylenediamine, then programmatically raise the temperature to 130-135°C for 1-3 hours. Then add Jingchuan 9650, 20.2 parts, and 8 parts of furfural oil extracted in advance to 90-140 °C, and pre-mix for 30 minutes; then disperse at high speed through a colloid mill to obtain part A, and finally add part B epoxy at a ratio of 4.2:1 Resin (E-51, Wuxi Resin Factory, wherein the quality of microcapsules: the qu...

Embodiment 3

[0036] Add 57 parts (mass, the same below) of petroleum asphalt (origin: Shanjiasi) heated to 90-140°C into the reactor, add 1.14 parts of maleimide, raise the temperature to 130-135°C, and wait for the pressure to stabilize. Access to N 2, keep the total pressure at 0.25MPa, and after 4 hours of reaction, slowly release the pressure to 0.1MPa. Then gradually lower the temperature to 100-110°C, add 13.2 parts of diphenyldiaminooctadiene, and then programmatically raise the temperature to 130-135°C for 1-3 hours. Then add Jingchuan 9650, 21.5 parts, 5 parts of phenolic residue oil, which was pre-heated to 90-140 ° C, and pre-mix for 30 minutes; then disperse at high speed through a colloid mill to obtain part A, and finally add part B epoxy at a ratio of 6.8:1 Resin (E-44, Wuxi Resin Factory, wherein the quality of microcapsules: quality of epoxy resin = 20:80 and the core material of microcapsules is 1:1 ethylene glycol and OP-10) was mixed evenly. This material can be used ...

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Abstract

The invention discloses a pavement thermoregulation paving material based on phase-change heat accumulation microcapsules, which is composed of a component A and a component B, wherein the component A is composed of the following ingredients in parts by mass: 40-84 parts of maleimide modified asphalt, 5-10 parts of fatty amine, 15-35 parts of polyamide / polyetheramine and 1-15 parts of compatiblizing agent; the component B is prepared by adding 15-45 parts of microcapsules, which comprise heat accumulation materials respectively with the phase-change temperature of -10-10 DEG C and / or 30-60 DEG C, into 55-85 parts of epoxy resin; and the component A and the component B are uniformly mixed in a ratio of 2.0:1-8:1. The pavement thermoregulation material can be sprayed on the original asphalt pavement as a thermoregulation layer, and can also be used as a pavement wear layer capable of adapting to ambient temperature after adding a right amount of aggregate. The invention greatly improves the high / low temperature stability and fatigue property of the asphalt pavement, and effectively prolongs the service life of the pavement.

Description

technical field [0001] The invention relates to a pavement temperature regulating material, in particular to a pavement based on phase-change heat-storage microcapsules, which is prepared by sealing phase-change heat-storage substances with microcapsules and adding them to epoxy asphalt materials Temperature regulating surfacing materials. Background technique [0002] Asphalt is commonly used as a paving and waterproofing material and is thermoplastic in nature. This characteristic is manifested in the asphalt paved road surface, which is prone to rutting under heavy load in summer high temperature season, and temperature shrinkage cracks are prone to appear in winter cold season. With the frequent occurrence of extreme climates and the surge of road traffic, higher requirements are placed on the temperature stability of paving materials. Therefore, modified asphalt is commonly used in most high-grade pavements at present. [0003] There are many ways to modify asphalt. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08L95/00C08L77/00C08L71/08C08K13/06C08K5/17C08K9/10C08K5/09C08K5/053
Inventor 亢阳应珏应军朱建设翟洪金
Owner 杨凌领航新材料科技开发有限公司
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