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Sun, Z. (author), Yi, Junyan (author), Chen, Zining (author), Xie, Sainan (author), Xu, Meng (author), Feng, Decheng (author)The chemical and rheological properties of polymer modified bitumen incorporating bio-oil derived from waste cooking oil (WCO) were investigated in this paper. At first, the chemical composition and mixing mechanism of the experimental materials were analysed from the perspective of functional group, and the influence of bio-oil on the...journal article 2019