Rubber powder-asphalt emulsion for concrete asphalt mortar and method for producing the same

A technology of cement asphalt and asphalt emulsion, which is applied in building components, building insulation materials, construction, etc., can solve the problems of reducing the cost of rubber powder consumption of asphalt, and achieving the effect of improving stability and reducing costs.

Active Publication Date: 2008-05-07
JIANGSU SOBUTE NEW MATERIALS
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AI Technical Summary

Problems solved by technology

But at present, the purpose of using rubber powder in asphalt is to modify the asphalt, and its dosage generally does not exceed 5% of the asphalt consumption, which has little significance for the consumption of rubber powder and the reduction of asphalt cost. Bibliographical reports on rubber powder blended with asphalt to make emulsion and used in CA mortar

Method used

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  • Rubber powder-asphalt emulsion for concrete asphalt mortar and method for producing the same

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Embodiment Construction

[0030] In order to better understand the present invention, the content of the present invention is further illustrated below in conjunction with the examples, but the content of the present invention is not limited only to the following examples, wherein Table 1 is the mixing ratio of the examples, and Table 2 has provided the adopted examples. The type of raw material, table 3 has provided the preparation method that each embodiment adopts.

[0031] Table 1 Example mix ratio

[0032]

serial number

Mixing ratio (mass percentage)

asphalt

rubber powder

water

Emulsifier

stabilizer

thickener

Auxiliary for pH

Comparative example 1

60

0

37.9

1.5

0.3

0.2

0.1

Example 1

50

10

37.9

1.5

0.3

0.2

0.1

Example 2

40

20

37.9

1.5

0.3

0.2

0.0

Example 3

30 ...

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Abstract

The invention relates to a rubber powder-asphalt emulsion for cement asphalt mortar and a preparation method thereof. The rubber powder-asphalt emulsion is prepared from the following components in parts by mass: emulsifier: 0.1-3%, asphalt: 20-60%, rubber powder: 5-40%, stabilizer: 0.1-0.5%, thickener: 0.1-0.3%, auxiliary agent for adjusting pH value: 0-0.2%, and the balance is water. The preparation method includes first modifying asphalt with rubber powder, and then emulsifying; first emulsifying asphalt, then emulsifying rubber powder; first emulsifying rubber powder, and then emulsifying asphalt. The invention makes full use of solid waste—rubber powder, has the characteristics of environmental protection and energy saving, not only significantly improves the stability of CA mortar, but also reduces the cost of preparing CA mortar.

Description

technical field [0001] The present invention relates to a rubber powder-asphalt emulsion used for elastic cushion of high-speed railway-cement asphalt mortar and its preparation method. The asphalt emulsion can also be used for slurry seal, micro-surfacing and asphalt mixture of highway pavement and other projects, which belong to the technical field of building materials. technical background [0002] Waste rubber mainly comes from rubber products such as waste tires, waste rubber shoes, waste rubber hoses and tapes, and secondly comes from scraps and waste products produced in the rubber production process, which belongs to industrial solid waste. Waste rubber is a thermosetting polymer material, which is difficult to degrade under natural conditions. If it is stored in the open air, it will not only occupy the land, deteriorate the natural environment, and destroy the growth of plants, but also easily breed mosquitoes, spread diseases, and endanger the ecological environ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08J3/03C08L21/00
Inventor 缪昌文洪锦祥刘加平吕星叶义群万赟费治华谢天
Owner JIANGSU SOBUTE NEW MATERIALS
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