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M. Bukowska, L. Makaruk

Microscopic investigation of bitumen-polymer blends

Polimery 1984, No 1, 28

DOI: dx.doi.org/10.14314/polimery.1984.028


A preparative method for the reflection optical micro­scopy permitting an observation of the dispersion of poly­mer in bitumen and bitumen in polymer as well as of the effect of their interactions has been presented. The micro­scopic observations have shown that no one of the systems studied was a homogeneous one and that in the process of mixing with polymer, asphalt loses probably its colloidal stability and polymer is swollen by the asphalt. The effect of mutual penetration, in particular of asphalt into poly­mer, can be enhanced by addition of a solvent (xylene) in the process of homogenization.

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