PMID- 36772050
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20230213
IS  - 2073-4360 (Electronic)
IS  - 2073-4360 (Linking)
VI  - 15
IP  - 3
DP  - 2023 Feb 1
TI  - Effect of Vegetable Oil on the Properties of Asphalt Binder Modified with High 
      Density Polyethylene.
LID - 10.3390/polym15030749 [doi]
LID - 749
AB  - Economic development results in increased traffic and higher traffic loads that 
      often cause serious asphalt pavement problems, such as permanent deformation, 
      fatigue cracking, and reduced lifetime. Polymers are seen as viable asphalt 
      additives to minimize these problems. However, their incorporation reduces the 
      workability of the material due to the increase in the viscosity of the blend. 
      This study evaluates the effect of the addition of soybean oil on the physical, 
      rheological, and thermal properties of high-density polyethylene (HDPE)-modified 
      asphalt binder. The HDPE was kept at 5 wt.% and the soybean oil the asphalt was 
      varied from 1 to 7 wt.%. A series of tests was conducted to evaluate the binders, 
      comprising conventional tests (penetration, softening point, and ductility) 
      rheological performance tests (dynamic viscosity and short-term aging (RTFO), and 
      thermogravimetric analysis (TGA). The addition of HDPE reduced the penetration 
      and increased the softening point and viscosity. The oil reduced steadily the 
      viscosity, improved the workability and the thermal susceptibility of the 
      modified asphalt up to 3 wt.% of oil, and reduced about 92% mass gain after 
      aging. Hence, the oil is considered a good modifier agent for the improvement of 
      polymer-modified asphalt's workability under service conditions.
FAU - Langa, Elizabeth
AU  - Langa E
AD  - Department of Chemistry, Faculty of Sciences, Eduardo Mondlane University, Maputo 
      P.O. Box 257, Mozambique.
FAU - Buonocore, Giovanna
AU  - Buonocore G
AD  - Institute of Polymers, Composites and Biomaterials, National Research Council, 
      P.le E. Fermi, 1, 80055 Naples, Italy.
FAU - Squillace, Antonino
AU  - Squillace A
AUID- ORCID: 0000-0003-2931-1497
AD  - Materials and Industrial Production, Department of Chemical Engineering, 
      University of Naples Federico II, P.le Tecchio, 80125 Naples, Italy.
FAU - Muiambo, Herminio
AU  - Muiambo H
AUID- ORCID: 0000-0001-5812-0636
AD  - Department of Chemistry, Faculty of Sciences, Eduardo Mondlane University, Maputo 
      P.O. Box 257, Mozambique.
LA  - eng
GR  - 5.2.11/Fundo para a investigacao aplicada e Multissectorial/
PT  - Journal Article
DEP - 20230201
PL  - Switzerland
TA  - Polymers (Basel)
JT  - Polymers
JID - 101545357
PMC - PMC9921639
OTO - NOTNLM
OT  - HDPE
OT  - asphalt
OT  - rheology
OT  - soybean
OT  - vegetable oil
COIS- All authors declare no conflict of interest in this paper.
EDAT- 2023/02/12 06:00
MHDA- 2023/02/12 06:01
PMCR- 2023/02/01
CRDT- 2023/02/11 01:41
PHST- 2023/01/07 00:00 [received]
PHST- 2023/01/25 00:00 [revised]
PHST- 2023/01/28 00:00 [accepted]
PHST- 2023/02/11 01:41 [entrez]
PHST- 2023/02/12 06:00 [pubmed]
PHST- 2023/02/12 06:01 [medline]
PHST- 2023/02/01 00:00 [pmc-release]
AID - polym15030749 [pii]
AID - polymers-15-00749 [pii]
AID - 10.3390/polym15030749 [doi]
PST - epublish
SO  - Polymers (Basel). 2023 Feb 1;15(3):749. doi: 10.3390/polym15030749.