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Title: Highly branched polyethylenes as lubricant viscosity and friction modifiers

A series of highly branched polyethylene (BPE) were prepared and evaluated in a Group I base oil as potential viscosity and friction modifiers. The performance of these BPEs supports the expected dual functionality. Changes in polarity, topology, and molecular weight of the BPEs showed significant effects on the lubricants' performance with respect to viscosity index and friction reduction. In conclusion, this study provides scientific insights into polymer design for future lubricant development activities.
Authors:
 [1] ;  [2] ;  [2] ;  [3] ;  [3]
  1. Pacific Northwest National Lab. (PNNL), Richland, WA (United States); USDA, Riverdale, MD (United States). Agricultural International Service
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Publication Date:
Grant/Contract Number:
AC05-00OR22725; 27573
Type:
Accepted Manuscript
Journal Name:
Reactive and Functional Polymers
Additional Journal Information:
Journal Volume: 109; Journal Issue: C; Journal ID: ISSN 1381-5148
Publisher:
Elsevier
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
Work for Others (WFO); USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; viscosity modifier; friction modifier; lubricant additive; highly-branched polyethylene; viscosity index improver
OSTI Identifier:
1329132
Alternate Identifier(s):
OSTI ID: 1397959

Robinson, Joshua W., Zhou, Yan, Qu, Jun, Bays, J. Timothy, and Cosimbescu, Lelia. Highly branched polyethylenes as lubricant viscosity and friction modifiers. United States: N. p., Web. doi:10.1016/j.reactfunctpolym.2016.10.003.
Robinson, Joshua W., Zhou, Yan, Qu, Jun, Bays, J. Timothy, & Cosimbescu, Lelia. Highly branched polyethylenes as lubricant viscosity and friction modifiers. United States. doi:10.1016/j.reactfunctpolym.2016.10.003.
Robinson, Joshua W., Zhou, Yan, Qu, Jun, Bays, J. Timothy, and Cosimbescu, Lelia. 2016. "Highly branched polyethylenes as lubricant viscosity and friction modifiers". United States. doi:10.1016/j.reactfunctpolym.2016.10.003. https://www.osti.gov/servlets/purl/1329132.
@article{osti_1329132,
title = {Highly branched polyethylenes as lubricant viscosity and friction modifiers},
author = {Robinson, Joshua W. and Zhou, Yan and Qu, Jun and Bays, J. Timothy and Cosimbescu, Lelia},
abstractNote = {A series of highly branched polyethylene (BPE) were prepared and evaluated in a Group I base oil as potential viscosity and friction modifiers. The performance of these BPEs supports the expected dual functionality. Changes in polarity, topology, and molecular weight of the BPEs showed significant effects on the lubricants' performance with respect to viscosity index and friction reduction. In conclusion, this study provides scientific insights into polymer design for future lubricant development activities.},
doi = {10.1016/j.reactfunctpolym.2016.10.003},
journal = {Reactive and Functional Polymers},
number = C,
volume = 109,
place = {United States},
year = {2016},
month = {10}
}