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Cooling polymer modified asphalt material and preparation method thereof

A technology for modifying asphalt and polymers, which is applied in building insulation materials, building structures, building components, etc. It can solve problems such as high storage and transportation temperature, poor thermal stability of asphalt materials, environmental problems, etc., and achieve service life The effect of long, simple and easy preparation method, and little dependence on equipment

Inactive Publication Date: 2021-04-06
安徽力聚投资集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sulfur vulcanizing agent is added in this invention, in order to prevent its solidification, it still needs higher storage and transportation temperature, and it is easy to cause environmental problems; among them, there are still compatibility problems between the polymer and the asphalt, so that the made Asphalt materials have poor thermal stability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A cooling polymer modified asphalt material, characterized in that it includes the following components in parts by weight: 55-65 parts of asphalt, 20 parts of sulfonic acid group modified asphalt, 5 parts of functional copolymer, 3 parts of micron powder part, 1 part of coupling agent; the functional copolymer is 3-[N,N-dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]ammonium]propane-1 - Sulfonic acid inner salt, 2-acrylamido-2-methylpropanesulfonic acid, polyethylene glycol monoallyl ether, N-(4-cyano-3-trifluoromethylphenyl)methylpropene The amide is prepared by copolymerization; the coupling agent is silane coupling agent KH550; the micron powder is titanium dioxide; the particle size of the micron powder is 400 mesh.

[0028]The preparation method of the functional copolymer comprises the following steps: 3-[N,N-dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]ammonium]propane-1 - Sulfonic acid inner salt, 2-acrylamido-2-methylpropanesulfonic acid, polyethylene glycol monoal...

Embodiment 2

[0032] A cooling polymer modified asphalt material, characterized in that it includes the following components in parts by weight: 57 parts of asphalt, 23 parts of sulfonic acid group modified asphalt, 5.5 parts of functional copolymer, 3.5 parts of micron powder, 1.5 parts of coupling agent; the functional copolymer is 3-[N,N-dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]ammonium]propane-1-sulfonate Acid inner salt, 2-acrylamido-2-methylpropanesulfonic acid, polyethylene glycol monoallyl ether, N-(4-cyano-3-trifluoromethylphenyl)methacrylamide by It is prepared by copolymerization; the coupling agent is silane coupling agent KH560; the micron powder is zinc oxide; the particle size of the micron powder is 500 mesh.

[0033] The preparation method of the functional copolymer comprises the following steps: 3-[N,N-dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]ammonium]propane-1 - Sulfonic acid inner salt, 2-acrylamido-2-methylpropanesulfonic acid, polyethylene glycol monoallyl ether,...

Embodiment 3

[0038] A cooling polymer modified asphalt material, characterized in that it includes the following components in parts by weight: 55-65 parts of asphalt, 25 parts of sulfonic acid group modified asphalt, 6 parts of functional copolymer, 4 parts of micron powder part, 2 parts of coupling agent; the functional copolymer is 3-[N,N-dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]ammonium]propane-1 - Sulfonic acid inner salt, 2-acrylamido-2-methylpropanesulfonic acid, polyethylene glycol monoallyl ether, N-(4-cyano-3-trifluoromethylphenyl)methylpropene The amide is prepared by copolymerization; the coupling agent is silane coupling agent KH570; the micron powder is zinc oxide; the particle size of the micron powder is 600 mesh.

[0039] The preparation method of the functional copolymer comprises the following steps: 3-[N,N-dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]ammonium]propane-1 - Sulfonic acid inner salt, 2-acrylamido-2-methylpropanesulfonic acid, polyethylene glycol monoallyl ...

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Abstract

The invention discloses a cooling polymer modified asphalt material which is characterized by comprising the following components in parts by weight: 55-65 parts of asphalt, 20-30 parts of sulfonic modified asphalt, 5-7 parts of a functional copolymer, 3-5 parts of micron powder and 1-3 parts of a coupling agent, wherein the functional copolymer is prepared from 3-[N,N-dimethyl[2-(2-methylprop-2-enoyloxy)ethyl]ammonium]propan-1-sulfonic acid inner salt, 2-acrylamide-2-methylpropanesulfonic acid, polyethylene glycol monoallyl ether and N-(4-cyano-3-trifluoromethylphenyl)methacrylamide through a copolymerization reaction. The invention also provides a preparation method of the cooling polymer modified asphalt material. The cooling polymer modified asphalt material provided by the invention is better in thermal stability, stronger in durability and ageing resistance, lower in storage and transportation temperature and longer in service life.

Description

technical field [0001] The invention relates to the technical field of asphalt materials, in particular to a cooling polymer modified asphalt material and a preparation method thereof. Background technique [0002] Asphalt material has excellent waterproof and anti-corrosion properties, and is widely used in civil engineering, mainly used in waterproofing of roofs, grounds, and underground structures, and anti-corrosion of wood and steel. In addition, it is also a widely used pavement structure cementing material in road engineering. However, due to the significant temperature sensitivity of asphalt (easy to soften at high temperature and easy to crack at low temperature), low mechanical properties and elastic properties, it is easy to age and lead to cracking and loosening. Significant thermal sensitivity prevents asphalt mixtures from exhibiting good performance at high and low temperatures, and asphalt properties must be modified to enhance product performance. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L51/00C08L51/08C08K3/22C08K3/36
CPCC08K2003/2241C08K2003/2296C08L95/00C08L2201/08C08L2205/02C08L2205/03C08L51/00C08L51/08C08K3/22C08K3/36
Inventor 宋执寿秦鸣飞
Owner 安徽力聚投资集团有限公司
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