Aqueous lubrication of poly(etheretherketone) via surface-initiated polymerization of electrolyte monomers

Patcharida Chouwatat, Tomoyasu Hirai, Keiko Higaki, Yuji Higaki, Hung Jue Sue, Atsushi Takahara

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Poly(etheretherketone) (PEEK) substrate surface was modified with charged cationic poly(2-(methacryloyloxy) ethyltrimethylammonium chloride) (PMTAC) and anionic poly(3-sulfopropyl methacrylate potassium salt) (PSPMK) polymer brushes through surface-initiated radical polymerization triggered by UV light exposure of benzophenone groups in PEEK backbone as an initiator. After extensive UV light exposure, the PEEK surface was covered with grafted polyelectrolyte chains and exhibited swollen polyelectrolyte brushes with high roughness under water, indicating high graft density and wide molecular weight distributions of PMTAC and PSPMK brushes. The hydrated polyelectrolyte brushes on PEEK surface induce significant air bubble repellency in water. Thus, thickening of swollen polyelectrolyte brushes dramatically reduces the friction coefficient of PEEK surface under a wet condition.

Original languageEnglish
Pages (from-to)549-555
Number of pages7
Journalpolymer
Volume116
DOIs
Publication statusPublished - May 5 2017

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Brushes
Electrolytes
Lubrication
Polyelectrolytes
Monomers
Polymerization
Ultraviolet radiation
Water
Molecular weight distribution
Free radical polymerization
Grafts
Potassium
Chlorides
Polymers
Salts
Surface roughness
Friction
Substrates
Air

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Aqueous lubrication of poly(etheretherketone) via surface-initiated polymerization of electrolyte monomers. / Chouwatat, Patcharida; Hirai, Tomoyasu; Higaki, Keiko; Higaki, Yuji; Sue, Hung Jue; Takahara, Atsushi.

In: polymer, Vol. 116, 05.05.2017, p. 549-555.

Research output: Contribution to journalArticle

Chouwatat, Patcharida ; Hirai, Tomoyasu ; Higaki, Keiko ; Higaki, Yuji ; Sue, Hung Jue ; Takahara, Atsushi. / Aqueous lubrication of poly(etheretherketone) via surface-initiated polymerization of electrolyte monomers. In: polymer. 2017 ; Vol. 116. pp. 549-555.
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