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Rubber modified asphalt

A technology of rubber modification and asphalt, which is applied in the field of rubber modified asphalt, can solve the problem that the comprehensive performance has not been fundamentally improved, and achieve good weather resistance and good stability

Inactive Publication Date: 2016-04-20
QINGDAO HONGYU ENVIRONMENTAL PROTECTION AIR CONDITIONING EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the physical modification method can improve the performance of asphalt, the overall performance has not been fundamentally improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] A rubber-modified asphalt, consisting of the following raw materials in parts by weight: 80 parts of asphalt, 20 parts of styrene-butadiene rubber, 15 parts of neoprene rubber, 6 parts of polyethylene, 1 part of polysiloxane, 0.5 part of stearamide, 6 parts of glass fiber, 4 parts of stearic acid, 4 parts of sodium stearate, 2 parts of spodumene powder, 1 part of boronite powder, 4 parts of castor oil, 0.5 parts of coal tar, 2 parts of methyl orthosilicate, activator 1 part, 1 part antioxidant.

Embodiment 2

[0010] A rubber-modified asphalt, consisting of the following raw materials in parts by weight: 82 parts of asphalt, 23 parts of styrene-butadiene rubber, 18 parts of neoprene rubber, 7 parts of polyethylene, 2 parts of polysiloxane, 0.8 part of stearamide, 8 parts of glass fiber, 6 parts of stearic acid, 5 parts of sodium stearate, 4 parts of spodumene powder, 2 parts of boronite powder, 5 parts of castor oil, 1 part of coal tar, 3 parts of methyl orthosilicate, activator 2 parts, antioxidant 2 parts.

Embodiment 3

[0012] A rubber-modified asphalt, consisting of the following raw materials in parts by weight: 85 parts of asphalt, 25 parts of styrene-butadiene rubber, 20 parts of neoprene rubber, 8 parts of polyethylene, 3 parts of polysiloxane, 1 part of stearamide, 10 parts of glass fiber, 8 parts of stearic acid, 8 parts of sodium stearate, 6 parts of spodumene powder, 3 parts of boronite powder, 6 parts of castor oil, 2 parts of coal tar, 4 parts of methyl orthosilicate, activator 3 parts, antioxidant 3 parts.

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Abstract

The invention discloses a rubber modified asphalt. The rubber modified asphalt is prepared from the following raw materials in parts by weight: 80 to 85 parts of asphalt, 20 to 25 parts of butadiene styrene rubber, 15 to 20 parts of chloroprene rubber, 6 to 8 parts of polyethylene, 1 to 3 parts of polysiloxane, 0.5 to 1 part of stearamide, 6 to 10 parts of glass fiber, 4 to 8 parts of stearic acid, 4 to 8 parts of sodium stearate, 2 to 6 parts of spodumene powder, 1 to 3 parts of magnesium borate ore powder, 4 to 6 parts of castor oil, 0.5 to 2 parts of coal tar, 2 to 4 parts of tetramethyl orthosilicate, 1 to 3 parts of an activator and 1 to 3 parts of an antioxidant. The rubber modified asphalt is high in stability, resistant to tracks at a high temperature, resistant to cracking at a low temperature, high in weather resistance and resistant to aging.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a rubber-modified asphalt. Background technique [0002] Many changes have taken place in modern highways and roads: the traffic flow and driving frequency have increased sharply, the axle load of freight vehicles has continued to increase, and lane-divided one-way driving is generally implemented. Flexibility and elasticity also require the ability to resist cracking at low temperatures, improve wear resistance and prolong service life, so asphalt needs to be modified. Most of the modified asphalt adopts physical modification technology to realize the modification of asphalt by polymer, such as heating and stirring, shearing, colloid mill, etc. Although the physical modification method can improve the performance of asphalt, the overall performance has not been fundamentally improved. Contents of the invention [0003] Aiming at the deficiencies of the prior art...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L9/06C08L11/00C08L23/06C08L83/04C08K13/04C08K5/20C08K7/14C08K5/098
CPCC08L95/00C08L2201/08C08L2205/035
Inventor 李盛明
Owner QINGDAO HONGYU ENVIRONMENTAL PROTECTION AIR CONDITIONING EQUIP
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