A kind of caulking material and preparation method thereof

A technology for caulking materials and plastics, applied in the field of caulking materials and their preparation, can solve the problems of gaps in the repair of colored pavement cracks, the performance of caulking materials is reduced, and the color pavement is inhibited, so as to improve vulcanization efficiency, reduce dosage, and increase The effect of softening point

Active Publication Date: 2020-05-19
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, asphalt is added to the caulking materials of the existing highway asphalt pavement, so that the caulking materials become black, and even if colored pigments are added, they are also in a black state. After modifying the cracks of the colored pavement, the aesthetic effect will be seriously affected, and now Some asphalt caulking materials are difficult to mix with color pigments, or after mixing with color pigments, the repair effect will be affected, the overall performance of the caulking materials will decrease, and the service life will be affected
[0007] To sum up, cracks and other diseases will inevitably appear on the colored asphalt pavement affected by the external environment, and the repair of cracks requires special caulking materials. The patching has been blank, which to a certain extent inhibits the promotion of colored pavement

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034]Add compatibilizer and petroleum resin into the reaction kettle, heat it to 150°C to melt it completely, the time is, min, then add the polymer and stir evenly, then swell, the swelling temperature is 160°C, and the time is 50min, the whole The mixed material passes through a colloid mill with a rotating speed of 3000 rpm for 3 times, and then the initiator, activator, grafting agent, and plasticizer are added in sequence, and the temperature is raised to 170°C and stirred for 60 minutes, and then all the mixed material is passed through at a rotating speed of 3000 The colloid mill is turned twice per minute, and then the vulcanizing agent is added and stirred in a product tank at 170°C for 12 hours to obtain the caulking material. This embodiment prepares the caulking material that is used for colored asphalt pavement, and its raw material name, proportion and model are as follows Table 1, and the performance of obtained product is shown in Table 6.

[0035] Table 1 Raw...

Embodiment 2

[0038] Add petroleum resin and compatibilizer into the reaction kettle, heat it to 140°C to melt it completely, then add polymer and stir evenly, then swell. Colloid mill at 3000 rpm for 3 times, then add initiator, activator, grafting agent and plasticizer in sequence, heat up to 175°C and stir for 60 minutes, then pass all the mixed materials through the colloid mill at 3000 rpm Grind twice, then add vulcanizing agent and stir in a product tank at 180°C for 8 hours to obtain the caulking material. This embodiment is used for the caulking material of colored asphalt pavement, and its raw material name, proportion and model are as follows Table 2, and the performance of obtained product is shown in Table 6.

[0039] Table 2 Raw material names, ratios and types of caulking materials

[0040] Material category material name Specifications Quality score, % petroleum resin C5 Chroma 6 22 Compatibilizer rubber filling oil Viscosity 50-100mm at 100°C...

Embodiment 3

[0042] Add petroleum resin and compatibilizer into the reaction kettle, heat it to 150°C to melt it completely, then add the polymer and stir evenly, then swell. Colloid mill at 3000 rpm for 3 times, then add initiator, activator, grafting agent and plasticizer in sequence, heat up to 170°C and stir for 60 minutes, then pass all the mixed materials through the colloid mill at 3000 rpm Grind twice, then add vulcanizing agent and stir in a product tank at 175°C for 10 hours to obtain the caulking material. This embodiment is used for the caulking material of colored asphalt pavement, and its raw material name, proportion and model are as follows Table 3, and the performance of obtained product is shown in Table 6.

[0043] Table 3 Raw material names, ratios and types of caulking materials

[0044] Material category material name Specifications Quality score, % petroleum resin C9 Chroma 19 12 Compatibilizer Refined Aromatic Oil Viscosity at 100°C ...

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PUM

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Abstract

The invention discloses a caulking material and a preparation method thereof. The caulking material includes, by mass, 5-25% of petroleum resin, 55-76% of a compatibilizer, 8-25% of a polymer, 0.05-4.0% of a vulcanizing agent, 0.1-2.0% of a grafting agent, 0.1-3.0% of an initiator, 0.5-4.0% of a plasticizer and 0.05-2.0% of an activator. The caulking material has the advantages of excellent high-temperature performances, excellent low-temperature performances, excellent deformation recovery capability, high softening point, strong bonding force, high low-temperature elongation rate and high low-temperature ductility, and can be well mixed with color pigments to effectively repair cracked colored asphalt pavements.

Description

technical field [0001] The invention relates to a caulking material and a preparation method thereof, in particular to a caulking material for colored asphalt pavement and a preparation method thereof. Background technique [0002] Colored asphalt pavement improves the black monotony of ordinary asphalt pavement, can match and coordinate with surrounding buildings and landscapes, and has obvious landscape effects. As a paving material with beautifying environment, colored asphalt has entered the stage of experimentation and promotion. Many cities have tried to use colored asphalt concrete to pave urban roads, such as Shanghai, Beijing, Tianjin, Changsha, Shenyang and Xiamen. In addition, the role of colored asphalt in traffic organization and management has been paid more and more attention. Different colors of asphalt pavement can improve the recognition effect of the driver, and can also make the driver's attention more concentrated, thereby playing the role of inducing t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L51/00C08L51/06C08L51/04C08L57/02C08L91/00C08L51/08C08K5/12C08K3/22C08K5/09
CPCC08L51/006C08L51/06C08L57/02C08L2201/08C08L2205/035C08L2205/08C08L51/04C08L91/00C08K5/12C08K2003/2296C08L51/08C08K5/09
Inventor 范思远陈保莲张静宁爱民宋乐春
Owner CHINA PETROLEUM & CHEM CORP
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