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Bio-asphalt material for road and preparation method for bio-asphalt material

A bio-asphalt and road technology, which is applied in building thermal insulation materials, building structures, building components, etc., can solve the problems of poor performance of bio-asphalt, insufficient asphalt production, and high prices, so as to alleviate insufficient production, make good use of energy, and improve The effect of using performance

Inactive Publication Date: 2012-09-12
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problems of poor performance of existing bio-asphalt and insufficient yield and high price of traditional road asphalt, and provides a bio-asphalt material for road and its preparation method

Method used

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  • Bio-asphalt material for road and preparation method for bio-asphalt material

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specific Embodiment approach 1

[0011] Specific Embodiment 1: The bio-asphalt material for roads in this embodiment is composed of bio-asphalt, matrix asphalt and zinc oxide. Based on the total weight of bio-asphalt, matrix asphalt and zinc oxide, the weight percentage content of the bio-asphalt is 10%. ~30%, the weight percentage content of the base asphalt is 69.9%~89.6%, and the weight percentage content of the zinc oxide is 0.1%~0.4%.

[0012] The raw materials used in this embodiment are all commercially available products.

[0013] The raw material of this embodiment is bio-asphalt, which is a heavy component produced in the process of preparing biodiesel and gasoline from waste plant straw and waste oil. This embodiment not only reduces production costs, but also makes better use of energy and improves the performance of bio-asphalt , to alleviate the situation of insufficient production of asphalt for traditional roads and skyrocketing prices; the bio-asphalt material for roads in this embodiment mee...

specific Embodiment approach 2

[0014] Embodiment 2: This embodiment differs from Embodiment 1 in that the base asphalt is No. 90 asphalt, No. 70 asphalt, No. 50 asphalt or No. 30 asphalt. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0015] Specific embodiment three: the preparation method of the bio-asphalt material for the road of this embodiment is carried out according to the following steps:

[0016] 1. Weigh bio-asphalt, matrix asphalt and zinc oxide, wherein, based on the total weight of bio-asphalt, matrix asphalt and zinc oxide, the weight percentage content of the bio-asphalt is 10% to 30%, and the content of the matrix asphalt The weight percentage content is 69.9%-89.6%, and the weight percentage content of the zinc oxide is 0.1%-0.4%;

[0017] 2. Heat the base asphalt weighed in step 1 to 100-200°C, add the bio-asphalt weighed in step 1, and stir for 0.5-2 hours at a temperature of 140-180°C and a stirring speed of 30-600rpm , and then add the zinc oxide weighed in step 1, and stir for 1-4 hours at a temperature of 140-180° C. and a stirring speed of 30-600 rpm to obtain a bio-asphalt material for roads.

[0018] The raw material of this embodiment is bio-asphalt, which is a heavy component p...

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Abstract

The invention discloses a bio-asphalt material for a road and a preparation method for the bio-asphalt material, relates to bio-asphalt for the road and the preparation method for the bio-asphalt, and aims to solve the problems of poor using performance of the conventional bio-asphalt and insufficient yield and high price in the conventional asphalt for the road. The bio-asphalt material for the road consists of bio-asphalt, matrix asphalt and zinc oxide. The preparation method comprises the following steps of: 1, weighing the bio-asphalt, the matrix asphalt and the zinc oxide; and 2, heating the weighed matrix asphalt to 100 to 200 DEG C, adding the bio-asphalt, stirring at the temperature of between 140 and 180 DEG C for 0.5 to 2 hours, adding the zinc oxide, and stirring at the temperature of between 140 and 180 DEG C for 1 to 4 hours to obtain the bio-asphalt material for the road. According to the preparation method, raw materials are low in price; the process is simple; production cost is reduced; energy resource can be utilized well; and the prepared bio-asphalt material for the road can meet the using performance of the asphalt for the road. The preparation method is used for preparing the bio-asphalt for road engineering.

Description

technical field [0001] The invention relates to asphalt for roads and a preparation method thereof. Background technique [0002] With the increasingly serious global energy crisis and environmental degradation, finding renewable resources and protecting the natural environment have become the main problems that humans need to solve. In the field of road engineering, petroleum asphalt is the main road construction material. According to statistics, the annual consumption of asphalt in my country is about 20 million tons. Due to the non-renewability of petroleum resources, the price of asphalt materials has skyrocketed in recent years. At the same time, the preparation and use of asphalt is accompanied by a large amount of carbon emissions. my country is a large agricultural and populous country, and the amount of plant straw and waste oil left in daily life is huge, which has a serious impact on the ecosystem. If it can be dealt with reasonably, it will be of great signif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08K3/22
Inventor 冯德成易军艳巩春伟詹苏涛于飞
Owner HARBIN INST OF TECH