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19 2025-04

What are the specific effects of different structures of SBS modifiers (linear and star-shaped) on the durability of bitumen?

In the production of modified bitumen, different structures of SBS modifiers (linear and star-shaped) have a significant effect on the rheological properties and durability of bitumen.First of all, regarding rheological properties, the linear and star-shaped structures of SBS modifiers perform diffe

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15 2025-04

When producing modified bitumen, SBS modifiers have different structures. What factors should be considered when selecting modifiers?

In the production of modified bitumen, the following factors should be considered when selecting SBS modifiers:1. Modifier structure type: SBS modifiers are divided into linear structures and star structures. Linear SBS modifiers are easier to handle in terms of processing performance, while star SB

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28 2025-03

What specific problems does modified bitumen solve in the application of airport highways?

In the application of airport highways, modified bitumensolves multiple specific problems, mainly in terms of improved pavement performance, durability and safety.First, modified bitumensignificantly improves the pavement's ability to resist deformation by increasing the viscosity an

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22 2025-03

How to evaluate the improvement effect of modified bitumen on pavement performance in the application of airport highways?

In the application of airport highways, the improvement effect of modified bitumenon pavement performance, especially impact resistance and wear resistance, can be analyzed from the following aspects.First, the improvement of impact resistance can be evaluated by combining laboratory testing a

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19 2025-03

In the production process of rubber bitumen, the control of temperature and time is important for the performance of the final product.

First, the control of temperature is directly related to the swelling and reaction process of rubber powder and matrix bitumen. According to reference information, the production of rubber bitumenneeds to be carried out at a swelling temperature of 165~175℃. This temperature range can effecti

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