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High-viscosity asphalt modifier and preparation method and application thereof

An asphalt modifier and high-viscosity technology, used in building components, building insulation materials, buildings, etc., can solve problems such as resilience and poor high and low temperature performance, and achieve high wear resistance, high hardness, and guaranteed strength. Effect

Active Publication Date: 2019-02-01
山东高速建材集团有限公司 +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing technology is to add SBS (styrene-butadiene-styrene block copolymer) type high-viscosity asphalt modifier to asphalt, but the resilience and high and low temperature performance are not good

Method used

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  • High-viscosity asphalt modifier and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] ① 0.5 parts of silane coupling agent and 5 parts of composite organic filler were mixed in a high-speed mixer for 20 minutes at a speed of 400 rpm to obtain material 1;

[0028] ② Mix 50 parts of sarin resin, 40 parts of POK, 5 parts of M-SEBS and 0.5 parts of lubricant in a high-speed mixer at a speed of 300 rpm for 5 minutes, then add 0.5 parts of antioxidant and 0.3 parts of accelerator , continue to mix, the rotating speed is 300rpm, the time is 5min, obtains material 2;

[0029] ③Put material 2 in step ② from the main feed port and step ① material 1 from the side feed port into the parallel twin-screw extruder for granulation. Granules were dried at 80°C for 4 hours to obtain a high-viscosity asphalt modifier.

Embodiment 2

[0031] ① 1 part of silane coupling agent and 10 parts of composite organic filler were mixed in a high-speed mixer for 20 minutes at a speed of 600 rpm to obtain material 1;

[0032] ② Mix 60 parts of sarin resin, 20 parts of POK, 10 parts of M-SEBS and 0.5 parts of lubricant in a high-speed mixer at a speed of 300 rpm for 5 minutes, then add 0.5 parts of antioxidant and 0.3 parts of accelerator , continue to mix, the rotating speed is 300rpm, the time is 5min, obtains material 2;

[0033] ③Put material 2 in step ② from the main feed port and step ① material 1 from the side feed port into the parallel twin-screw extruder for granulation. Granules were dried at 80°C for 4 hours to obtain a high-viscosity asphalt modifier.

Embodiment 3

[0035] ① 1.5 parts of silane coupling agent and 15 parts of composite organic filler were mixed in a high-speed mixer for 20 minutes at a speed of 800 rpm to obtain material 1;

[0036] ② Mix 70 parts of sarin resin, 10 parts of POK, 5 parts of M-SEBS and 0.5 parts of lubricant in a high-speed mixer at a speed of 300 rpm for 5 minutes, then add 0.5 parts of antioxidant and 0.3 parts of accelerator , continue to mix, the rotating speed is 300rpm, the time is 5min, obtains material 2;

[0037] ③Put material 2 in step ② from the main feed port and step ① material 1 from the side feed port into the parallel twin-screw extruder for granulation. Granules were dried at 80°C for 4 hours to obtain a high-viscosity asphalt modifier.

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Abstract

The invention provides a high-viscosity asphalt modifier and a preparation method and application thereof. The high-viscosity asphalt modifier is prepared from the following components: in parts by weight, 50-80 parts of sarin resin, 10-40 parts of POK, 0-15 parts of M-SEBS, 0-15 parts of composite organic filler, 0.1-1.5 parts of a coupling agent, 0.1-1.5 parts of an accelerator, 0.1-1 part of anantioxidant and 0-1 part of a lubricating agent, wherein the sarin resin has a melt flow rate of 1.0-5.0 g / 10 min and a Vicat softening point of 72-76 DEG C, and the POK has a number average molecular weight of 86,000-120,000 and a heat distortion temperature of 215 DEG C; and the mass of maleic anhydride in SEBS accounts for 5-15% of the total weight of M-SEBS, and the mass of M-SEBS accounts for 85-95% of the total weight of the raw materials. Since the sarin resin and POK contain aromatic hydrocarbon, alkyl groups and other polymer, strong mechanical strength and good elasticity are achieved, good solubility in asphalt is good, and the high-viscosity asphalt modifier can be thoroughly mixed with the asphalt, so that the adhesion, elasticity, heat resistance and other performance of theasphalt are improved; and the interfacial compatibility among the resin can be improved through the M-SEBS, the strength and void ratio of the asphalt mixture can be ensured, and the water permeability is improved.

Description

technical field [0001] The invention relates to the application field of asphalt modification, in particular to a high-viscosity asphalt modifier and its preparation method and application. Background technique [0002] Highway asphalt pavement is generally composed of road asphalt and aggregate. The high-viscosity asphalt pavement adopts large-void asphalt mixture as the surface layer, which penetrates the rainfall into the drainage functional layer, and drains the rainwater horizontally through the layer, thereby eliminating the road surface water film that brings many adverse effects to driving, and significantly improving the rainy weather. At the same time, because the porous characteristics of high-viscosity asphalt pavement can greatly reduce traffic noise, it also has huge performance advantages when used in special road construction such as bridge deck pavement, heavy load and long longitudinal slope road. [0003] The existing technology is to add SBS (styrene-but...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L23/08C08L51/00C08L77/06C08L73/00C08K3/36C08K5/47C08K5/40
CPCC08L95/00C08L2205/08C08L2205/035C08L2201/08C08L23/0876C08L51/006C08L77/06C08L73/00C08K3/36C08K5/47C08K5/40Y02A30/30
Inventor 穆明浩耿立涛毕玉峰张哲任瑞波郑君陈秀秀郑捷元徐茜谢军赵景原刘新强王健董光彬徐强徐润王峥李涛张征宇侯扬朱明建
Owner 山东高速建材集团有限公司
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