Macrotribology of semirigid poly(α- methylene- γ - butyrolactone) and poly(methyl methacrylate) brushes

Yuji Higaki; Motoyasu Kobayashi; Atsushi Takahara

doi:10.1201/b17691

Macrotribology of semirigid poly(α- methylene- γ - butyrolactone) and poly(methyl methacrylate) brushes

Yuji Higaki, Motoyasu Kobayashi, Atsushi Takahara

Department of Applied Molecular Chemistry

Research output: Chapter in Book/Report/Conference proceeding › Chapter

1 Citation (Scopus)

Abstract

A surface-tethered brush film of bio-based polymer, poly(α-methylene-γ-butyrolactone) (PMBL), was fabricated on a silicon wafer by surface-initiated atom transfer radical polymerization of α-methylene-γ-butyrolactone (MBL), which is a biomass monomer extracted from plants. The PMBL brush films formed a smooth surface. The surface free energy of the PMBL brush films was higher than that of the poly(methyl methacrylate) (PMMA) brush films because of the absence of hydrophobic methyl groups in the polymer backbone. The PMBL brush films exhibited a larger elastic modulus and better wear resistance than the typical structurally analogous petroleum-based PMMA brush films due to the high graft density and molecular interaction between PMBL chains.

Original language	English
Title of host publication	Surfactants in Tribology
Publisher	CRC Press
Pages	51-61
Number of pages	11
Volume	4
ISBN (Electronic)	9781466583382
ISBN (Print)	9781466583375
DOIs	https://doi.org/10.1201/b17691
Publication status	Published - Jan 1 2014

All Science Journal Classification (ASJC) codes

Chemistry(all)
Engineering(all)
Materials Science(all)

Access to Document

10.1201/b17691

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title = "Macrotribology of semirigid poly(α- methylene- γ - butyrolactone) and poly(methyl methacrylate) brushes",

abstract = "A surface-tethered brush film of bio-based polymer, poly(α-methylene-γ-butyrolactone) (PMBL), was fabricated on a silicon wafer by surface-initiated atom transfer radical polymerization of α-methylene-γ-butyrolactone (MBL), which is a biomass monomer extracted from plants. The PMBL brush films formed a smooth surface. The surface free energy of the PMBL brush films was higher than that of the poly(methyl methacrylate) (PMMA) brush films because of the absence of hydrophobic methyl groups in the polymer backbone. The PMBL brush films exhibited a larger elastic modulus and better wear resistance than the typical structurally analogous petroleum-based PMMA brush films due to the high graft density and molecular interaction between PMBL chains.",

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