Effect of Recycled Rubber on the Properties of Road Bitumen-Reference-Cited by-同舟云学术

Effect of Recycled Rubber on the Properties of Road Bitumen

Published:2018-10-21 Issue: Volume:2018 Page:1-6
ISSN:2090-9063
Container-title:Journal of Chemistry
language:en
Short-container-title:Journal of Chemistry

Author:

Blażejowski Krzysztof¹,Gawdzik Barbara²^ORCID,Matynia Tadeusz²

Affiliation:

1. Orlen-Asfalt, ul. Chemików 7, 09-411 Płock, Poland

2. Faculty of Chemistry, Maria Curie-Skłodowska University, pl. Marii Curie-Skłodowskiej 3, 20-031 Lublin, Poland

Abstract

Commercially available road bitumen 50/70 (EN 12591) was modified by recycled rubber and synthetic poly(butadiene) in the presence of sulfur donor. Modification was carried out at 190°C and 220°C. Under such conditions, devulcanization of rubber took place. Prolonged heating in the presence of sulfur caused that devulcanized rubber and poly(butadiene) to revulcanize. The influence of rubber concentration as well as temperature and time of the modification process on the properties of resulted bitumens was studied. The results show that proposed process modifies the properties of base bitumen very effectively. Particularly noteworthy are values of Fraass breaking points, melting temperatures, penetrations, and elastic recoveries.

Publisher

Hindawi Limited

Subject

General Chemistry

Link

http://downloads.hindawi.com/journals/jchem/2018/8759549.pdf

Reference20 articles.

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