By Tony McNally
The addition of polymers to bitumen permits the amendment of convinced actual houses, reminiscent of softening aspect, brittleness and ductility, of the bitumen. Polymer transformed bitumen: homes and characterisation offers a important and in-depth insurance of the technology and expertise of polymer converted bitumen. After an preliminary advent to bitumen and polymer transformed bitumen, the publication is split into components. Chapters partially one concentration at the education and homes of various polymer transformed bitumen, together with polymer bitumen emulsions, amendment of bitumen with poly (urethanes), waste rubber and plastic and polypropylene fibers. half addresses the characterization and homes of polymer converted bitumen. bankruptcy themes coated comprise rheology, simulated and real long-term getting older reports; the solubility of bituminous binders in fuels and using Fourier rework infrared spectroscopy to review aging/oxidation of polymer changed bitumen. Polymer changed bitumen is an important reference for scientists and engineers, from either academia and the civil engineering and delivery industries, attracted to the homes and characterization of polymer converted bitumen.
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A latex is an emulsion of polymer, hence there is the possibility of mixing it with a bitumen emulsion. The first possibility consists in adding the latex directly inside the colloid mill (Fig. 1). This is generally known as latex co-emulsification or latex pre-addition if the latex is added to the aqueous phase. The second possibility is to add the latex directly into a regular bitumen emulsion, at the plant or just before use, and this is known as latex post-addition (Fig. 1). Even if emulsions of PMB are more difficult to manufacture, especially for those that set rapidly, as detailed in the next sections, they are the preferred technology in France because of the intimate mixing of the polymer with bitumen.