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Economical asphalt odor removing and reinforcing modifier and preparation method and applications thereof

An economical technology that enhances modifiers and is applied in the field of asphalt modifiers. It can solve the problems of high viscosity, non-environmental protection, and high energy consumption. It can reduce viscosity, reduce environmental hazards, and reduce asphalt smoke volatilization. Effect

Inactive Publication Date: 2019-04-19
许昌腾飞建设工程集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the pungent odor that is released during the production and construction of the existing rubber powder modified asphalt. The production temperature is 180-190°C, the temperature is relatively high, the energy consumption is large, and the viscosity is relatively high. , high temperature is also required during construction, and the problem of not being environmentally friendly, and an economical asphalt odor-cleaning enhancer modifier with low production cost, clean odor, good effect of reinforcement modification, convenient production and use, and its preparation method and application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0033] A preparation method for preparing an economical asphalt odor-enhancing modifier by using the above-mentioned raw material ratio comprises the following steps:

[0034] Step 1) According to the following parts by mass, take out each raw material for later use: 4~8 parts of dispersant, 10~24 parts of deodorant, 16~24 parts of thickener, 10~12 parts of enhancer, 15~32 parts of antiaging agent part; the dispersant is EBS, the deodorant is ethoxystearamide, the tackifier is SEBS, the reinforcing agent is nano-calcium carbonate, and the antiaging agent is carbon black;

[0035] Step 2) Mix the dispersant, deodorizer, tackifier, enhancer and anti-aging agent evenly, and shape and granulate through a screw extruder at a temperature of 50°C to obtain economical asphalt deodorization enhanced modification finished product.

[0036] The application of the economical asphalt odor-enhancing modifier mentioned above includes the following forms:

[0037] Add the economical asphalt...

Embodiment 1

[0041] Example 1, an economical asphalt deodorization enhancement modifier, prepared from the following raw materials according to the following mass numbers: 4 kg of dispersant, 10 kg of deodorant, 16 kg of tackifier, and 10 kg of enhancer , anti-aging agent 15 kg. The above-mentioned dispersant is EBS, the deodorant is ethoxystearamide, the tackifier is SEBS, the strengthening agent is nano-calcium carbonate, and the antiaging agent is carbon black.

[0042] A preparation method for preparing an economical asphalt odor-enhancing modifier by using the above-mentioned raw material ratio comprises the following steps:

[0043] Step 1) According to the mass parts of each component in the above-mentioned economical asphalt odor-enhancing modifier, take out the raw materials for later use: 4 kg of dispersant EBS, 10 kg of ethoxystearamide as deodorant, and tackifier SEBS16 kg, enhancer nano calcium carbonate 10kg, anti-aging agent carbon black 15 kg;

[0044] Step 2) Mix the dispe...

Embodiment 2

[0045] Embodiment 2, an economical asphalt deodorization enhancement modifier, prepared from the following raw materials according to the following mass numbers: 8 kg of dispersant, 24 kg of deodorant, 24 kg of tackifier, 12 kg of enhancer, Anti-aging agent 32 kg. The above-mentioned dispersant is EBS, the deodorant is ethoxystearamide, the tackifier is SEBS, the strengthening agent is nano-calcium carbonate, and the antiaging agent is carbon black.

[0046] A preparation method for preparing an economical asphalt odor-enhancing modifier by using the above-mentioned raw material ratio comprises the following steps:

[0047] Step 1) According to the mass parts of each component in the above-mentioned economical asphalt odor-enhancing modifier, take out the raw materials for use: dispersant EBS8kg, odor-eliminating agent ethoxystearamide 24kg, tackifier SEBS24 kg , 12 kg of nano-calcium carbonate as reinforcing agent, 32 kg of carbon black as anti-aging agent;

[0048] Step 2)...

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Abstract

The invention relates to the technical field of modifiers for asphalt, concretely to an economical asphalt odor removing and reinforcing modifier agent and a preparation method and applications thereof. The modifier comprises 4-8 parts of a dispersing agent, 10-24 parts of an odor removing agent, 16-24 parts of a tackifier, 10-12 parts of a reinforcing agent, and 15-32 parts of an anti-aging agent. The preparation method is to evenly mix the components and carry out forming and granulation by a screw extruder under the temperature condition of 50 DEG C to obtain the economical asphalt odor removing and reinforcing modifier agent finished product. The economical asphalt odor removing and reinforcing modifier agent and the preparation method and applications thereof provided by the inventionhave the advantages of low production cost, odor removal, good reinforcing modification effect and convenient production and use.

Description

technical field [0001] The invention relates to the technical field of modifiers for asphalt, in particular to an economical asphalt odor-reinforcing modifier with low cost, clean odor, good reinforcement modification effect and convenient production and use, as well as its preparation method and application. Background technique [0002] Asphalt, especially rubber powder modified asphalt (Asphalt Rubber, referred to as AR) is a commonly used road material. However, in the prior art, the rubber powder modified asphalt will release a pungent odor during the production and construction process. The production temperature is 180-190 °C, the temperature is relatively high, the energy consumption is large, and the viscosity is large. Higher temperature is required, which is contrary to its environmental protection concept, and the oil stone of rubber asphalt mixture is much larger than that of ordinary SBS modified asphalt, and the comprehensive cost is higher than that of SBS mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L53/02C08K13/02C08K3/26C08K5/20C08K3/04
CPCC08K2003/265C08K2201/011C08K2201/014C08L95/00C08L53/025C08K13/02C08K3/26C08K5/20C08K3/04
Inventor 周凯杨慧丽薛予生岳光华李建民张凯茹
Owner 许昌腾飞建设工程集团有限公司
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