Long-acting slow-release black anti-icing modifier for asphalt pavement and manufacturing method thereof

An anti-icing and modifier technology, which is applied in the field of long-acting slow-release black anti-icing modifiers for asphalt pavement, to achieve excellent anti-icing properties, good stress resistance, and excellent slow-release effects

Active Publication Date: 2022-04-01
江苏山海新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] In view of the above problems, the purpose of the present invention is to provide a black anti-icing modifier, which is suitable for the climate characteristics of various places in my country, and has excellent anti-icing properties, slow release, and durability, so even when black anti-icing When the ice modifier is mixed unevenly with the asphalt mixture or the formed anti-icing pavement is used for a long time, there will be no problem of road surface reflection caused by salt precipitation and whitening

Method used

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  • Long-acting slow-release black anti-icing modifier for asphalt pavement and manufacturing method thereof
  • Long-acting slow-release black anti-icing modifier for asphalt pavement and manufacturing method thereof
  • Long-acting slow-release black anti-icing modifier for asphalt pavement and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0102] Calcium chloride, magnesium chloride and sodium chloride (all industrial grades, 2:2:6) and carbon black were added to tetrahydrofuran (the amount added was 10 times that of the solid-state mixed material) at a ratio of 1:15, and in Stir at 300r / min for 30min. Subsequently, tetrahydrofuran was removed at room temperature to obtain salt-storing particles.

[0103] At room temperature, fully stir and dissolve asphalt, SBS and SBR (1:50:25) in tetrahydrofuran, add the above-mentioned salt storage particles into it, stir at 100r / min for 30min, and fully stir and coat. Then it was dried at 60° C., and granulated and sieved so that the particle size of the black anti-icing modifier was 5 mm or less. According to weighing calculation, the covering material is about 100 parts by mass relative to 100 parts by mass of the salt-storing particles.

[0104] The dried material is cooled to room temperature, measured and packaged to obtain a black anti-icing modifier.

Embodiment 2

[0106] Potassium acetate and potassium formate (4:6) and carbon black were added to tetrahydrofuran (the amount added was 10 times that of the solid mixed material) at a ratio of 1:15, and stirred at 300r / min for 30min. Subsequently, tetrahydrofuran was removed at room temperature to obtain salt-storing particles.

[0107] At room temperature, fully stir and dissolve asphalt, SIS and SBS (1:50:25) in tetrahydrofuran, add the above-mentioned salt storage particles into it, stir at 100r / min for 30min, and fully stir and coat. Then it was dried at 60° C., and granulated and sieved so that the particle size of the black anti-icing modifier was 5 mm or less. According to weighing calculation, the covering material is about 120 parts by mass relative to 100 parts by mass of the salt-storing particles.

[0108] The dried material is cooled to room temperature, measured and packaged to obtain a black anti-icing modifier.

Embodiment 3

[0110] In addition to mixing calcium chloride, magnesium chloride and sodium chloride with carbon black in tetrahydrofuran, further add pitch (pitch: carbon black=1:1) and stir at 1500r / min for 15min; and the coating time is from 30min Except for 3 minutes, a black anti-icing modifier was obtained in the same manner as in Example 1. By weighing calculation, the covering material is about 67 parts by mass relative to 100 parts by mass of the salt-storage particles.

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Abstract

The invention relates to a long-acting slow-release black anti-icing modifier for asphalt pavement and a manufacturing method thereof. The black anti-icing modifier includes salt-storage particles containing metal salts and adsorptive substances, and coating materials present on the surface of the salt-storage particles, wherein the coating materials include asphalt-like materials and elastic body. The black anti-icing modifier is suitable for the climate characteristics of various places in my country, and has excellent anti-icing properties, slow release, and durability, so even when the black anti-icing modifier is mixed with asphalt mixture unevenly or all When the formed anti-icing pavement is used for a long time, there will be no problem of road reflection caused by salt precipitation and whitening.

Description

technical field [0001] The invention relates to a long-acting slow-release black anti-icing modifier for asphalt pavement and a manufacturing method thereof. Background technique [0002] Snow and ice on roads in winter has always been a problem that plagues road traffic safety. Snow and ice on the road surface will greatly reduce the anti-skid ability of the road surface, which not only weakens the traffic capacity of the road, is prone to vicious traffic accidents, but also damages the road and its subsidiary structures. In severe cases, it will cause traffic interruption and make people's lives Production and production cannot be carried out normally, and even endanger the safety of people's lives and property. [0003] At present, the commonly used road surface deicing methods are generally divided into two categories: passive suppression type and active ice and snow melting type. Commonly used passive suppression ice and snow removal measures mainly include spreading ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/36
CPCC04B40/0039C04B22/12C04B22/124C04B24/00C04B24/36C04B24/2688C04B24/26C04B24/04C04B14/022
Inventor 朱宝林惠嘉谷云辉刚红润王曈江睿南付立边莉
Owner 江苏山海新型建材有限公司
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