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25 2025-01: How does the difference between the effects of plastomers and elastomers on the performance of modified bitumen affect the application of bitumen in actual engineering?

The effects of plastomers and elastomers on the performance of modified bitumenare mainly reflected in its physical properties and application performance. Plastomers usually have higher fluidity and better temperature stability, while elastomers provide better elasticity and fatigue resistanc

22 2025-01: Among different types of polymers, what are the specific differences in the effects of plastomers and elastomers on the performance of modified bitumen?

In modified bitumen, the effects of plastomers and elastomers on its performance are mainly reflected in the following aspects:1. Stiffness and deformability: Plastomers usually have higher stiffness and can provide better compressive strength and stability, while elastomers have better deformabilit

20 2025-01: How to evaluate its efficiency and applicability in the production of SBS modified bitumen?

When evaluating the efficiency and applicability of different catalysts in the production of SBS modified bitumen, comparison and analysis can be made from the following aspects:1. Dispersion effect of catalyst: By comparing the effects of different catalysts on the performance of modified bit

11 2025-01: What is the effect of reaction temperature on the physical and chemical properties of SBS modified bitumen and the quality of the final product?

Changes in reaction temperature will affect the performance indicators of modified bitumen, such as ductility, softening point, penetration and solubility.1. Effect of physical and chemical properties: In the production process of SBS modified bitumen, appropriate reaction temperature (such as 180°

31 2024-12: What are the conditions that affect the epoxidation reaction of SBS and what are its suitable reaction conditions?

1. Effect of solvent on reaction: Studies have shown that in toluene solvent, the epoxidation reaction rate of SBS is faster and the mass fraction of epoxy groups in the product is higher. With the addition of cyclohexane, the reaction rate and the mass fraction of epoxy groups both decrease. The in

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