Polymethacrylates: Pour point depressants in diesel oil

Soldi, Rafael A.; Oliveira, Angelo R. S.; Barbosa, Roseane Moreira Sampaio; César-Oliveira, Maria A. F.

doi:10.1016/j.eurpolymj.2006.07.021

Cited by 95 publications

(73 citation statements)

References 14 publications

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“…The base oil also has substantial amounts of paraffin because it is produced in the refining process of crude oil. Paraffins are mixtures of hydrocarbons with linear chains that contain mainly 20-40 carbon atoms in addition to alkanes with branched and cyclic [3]. Additives are synthetic chemicals that can improve or add performances to lubricants.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis, Characterization and Performance Evaluation of Poly Octadecyl Methacrylate and Poly Octadecyl Methacrylate-CoMethylmethacrylate as an Additive for Lubricating Oil

Ahmed¹,

Mohammed²,

Hamad³

2017

IOSR JAC

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Section: Introductionmentioning

confidence: 99%

“…The pour point (PP) of lubricating oil is the lowest temperature at which it will pour or flow when it is chilled without disturbance under prescribed conditions [10]. The paraffin crystals grow as the temperature decreases, creating a crystalline net which begins to trap the molecules of liquid hydrocarbon until the oil cannot flow.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Characterization and Performance Evaluation of Poly Octadecyl Methacrylate and Poly Octadecyl Methacrylate-CoMethylmethacrylate as an Additive for Lubricating Oil

Ahmed¹,

Mohammed²,

Hamad³

2017

IOSR JAC

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“…When the crude oil temperature is below the wax appearance temperature (WAT), the wax solubility drastically decreases, and the wax deposits on the pipe wall. Wax crystals quickly form and trap the crude oil until it cannot flow at low temperatures and high wax contents (Soldi et al, 2007). Temperature decrease causes further wax deposits and forms interlocked crystals that can trap the crude oil (Elsharkawy et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

“…There have been several studies on wax aggregation inhibition using a PPD, such as polymethacrylate (Soldi et al, 2007), polyacrylic acid derivative (Jiang et al, 2006), and ethylene-vinyl acetate copolymer (Machado et al, 2001). Soldi et al (2007) investigated the role of polymethacrylate as a PPD in diesel oil.…”

Section: Introductionmentioning

confidence: 99%

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Wax Aggregation Inhibition in Crude Oil by Oxirane Ester Copolymer

Yulizar¹,

Utari²,

Ananda³

2016

IJTech

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Wax deposition can cause a serious problem in the distribution process of crude oil through a pipeline. At low temperatures, wax molecules can interact to form a wax aggregate. One way to reduce the wax aggregation is to introduce an additive compound into the crude oil. In this study, 15 crude oil models were prepared by mixing gasoline, kerosene, oil, wax, and asphaltene. Oxirane ester copolymer (OEC) additive was introduced into the crude oil models with various concentrations and volumes, and its effect on the crude oil models' pour point and viscosity were evaluated. OEC interactions with wax and asphaltene were observed by FTIR, and the wax aggregation process was observed using cross polarized microscopy (CPM). The optimum pour point of crude oil was reached at a temperature of 6 o C and optimum viscosity at 10 cSt for the selected model 4. OEC additions of 5% and 10% require 500 and 300 µL, respectively, to achieve the optima pour point and viscosity. OEC was able to inhibit the wax aggregation, as evidenced from the interaction between OEC-wax at 722 cm -1 and OECasphaltene at 1604 and 1494 cm -1 of FTIR spectra. The distribution of the wax aggregate was observed using CPM, with the value of the wax appearance temperature (WAT) at 28.7 o C. This research can be the basis for designing or selecting a molecule for use as a pour point depressant in accordance with the characteristics of crude oil, particularly since each source of crude oil has different characteristics.

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Comb‐Like Polymers

Wang

et al. 2017

Encyclopedia of Polymer Science and Technology

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Comb‐like polymers, as a kind of special graft polymers, have attracted interests due to their predetermined molecular structure and selected functionality. By controlling the structural composition of comb‐like polymers—such as the rigidity of polymer backbone, the length‐scale and the topological structure of the side chains—some interesting properties can be manipulated, and the transformation from passive to intelligent response is well approached. The incompatible polymeric main chain and side chain in comb‐like polymers contribute to novel hierarchical architectures and topologies, which exhibit various applications in textile, chemistry, proton conduction, waste treatment, and electronic fields. A deep understanding of the hierarchical structure and the assembled morphologies is helpful in achieving high‐performance functional materials used in the fabrication of microelectronic devices, microchip cooling, and so on. Herein, we review the recent progress on comb‐like polymers and highlight their fabrication, structure, and property, especially from the viewpoint of crystallization, phase transition, and thermal behavior.

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Polymethacrylates: Pour point depressants in diesel oil

Cited by 95 publications

References 14 publications

Synthesis, Characterization and Performance Evaluation of Poly Octadecyl Methacrylate and Poly Octadecyl Methacrylate-CoMethylmethacrylate as an Additive for Lubricating Oil

Synthesis, Characterization and Performance Evaluation of Poly Octadecyl Methacrylate and Poly Octadecyl Methacrylate-CoMethylmethacrylate as an Additive for Lubricating Oil

Wax Aggregation Inhibition in Crude Oil by Oxirane Ester Copolymer

Comb‐Like Polymers

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