Hydrophobic acrylic hard coating by surface segregation of hyper-branched polymers

Masayuki Haraguchi, Tomoyasu Hirai, Masaaki Ozawa, Katsuaki Miyaji, Keiji Tanaka

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The ability of hyperbranched polymers (HBPs) to preferentially segregate to the surface of its matrix owing to its unique structure makes it a good candidate as a surface modifier. One particular challenge in its application as an efficient surface modifier, however, is its possible elimination from the surface due to the lack of attachments between a HBP (modifier) and its host material (polymer matrix). Here, we present a novel approach to efficiently prevent the removal of HBPs from the surface of its host material by directly reacting a HBP containing fluoroalkyl segments (F-HBP) to a multi-functional acrylate monomer prior to curing. We also have characterized surface structure and wettability of the acrylic hard coating material by X-ray photoelectron spectroscopic and contact angle measurements, respectively. The results show that since F-HBP was segregated at the surface, the surface became hydrophobic and more stable. Thus, we claim that our approach results in the formation of a water-repellent acrylic hard coating material.

Original languageEnglish
Pages (from-to)235-238
Number of pages4
JournalApplied Surface Science
Volume266
DOIs
Publication statusPublished - Feb 1 2013

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Surface segregation
Hard coatings
Acrylics
Polymers
Angle measurement
Photoelectrons
Polymer matrix
Surface structure
Contact angle
Curing
Wetting
Monomers
X rays
Water

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Hydrophobic acrylic hard coating by surface segregation of hyper-branched polymers. / Haraguchi, Masayuki; Hirai, Tomoyasu; Ozawa, Masaaki; Miyaji, Katsuaki; Tanaka, Keiji.

In: Applied Surface Science, Vol. 266, 01.02.2013, p. 235-238.

Research output: Contribution to journalArticle

Haraguchi, Masayuki ; Hirai, Tomoyasu ; Ozawa, Masaaki ; Miyaji, Katsuaki ; Tanaka, Keiji. / Hydrophobic acrylic hard coating by surface segregation of hyper-branched polymers. In: Applied Surface Science. 2013 ; Vol. 266. pp. 235-238.
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