Nano- and bulk-tack adhesive properties of stimuli-responsive, fullerene-polymer blends, containing polystyrene-block-polybutadiene-block-polystyrene and polystyrene-block-polyisoprene-block-polystyrene rubber-based adhesives

J. Paige Phillips, Xiao Deng, Ryan R. Stephen, Erin L. Fortenberry, Meredith L. Todd, D. Michelle McClusky, Steven Stevenson, Rahul Misra, Sarah Morgan, Timothy Edward Long

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Nano-tack (measured using AFM) and bulk-tack adhesive forces of blends of C 60 and either polystyrene-block-polybutadiene-block-polystyrene (SBS) or polystyrene-block-polyisoprene-block-polystyrene (SIS) triblock copolymer pressure sensitive adhesives were measured after exposure to white light irradiation. The nano-tack adhesive forces in C 60-SIS/SBS were found to decrease with increasing C 60 concentration and exposure time, approaching the value for 100% polystyrene, providing an indication that significant surface hardening and crosslinking of the soft isoprene and butadiene phases occurs in the presence of C 60. Films produced during the study were smooth, having low RMS surface roughness, and showed nanoscale phase separation between the soft (diene) and hard (styrene) segments. This phase separation disappeared after addition of C 60 sensitizer and white light irradiation. Bulk adhesive measurements (tack and peel strength) showed a similar trend with C 60 concentration and exposure time, and in irradiated systems containing as little as 0.2 wt% C 60, a significant decrease in adhesion was observed. Estimated T g (measured using DMA, shear mode) of the soft-block shifts to higher temperatures (increasing by 30-40 °C), and high gel fractions were obtained, indicating the presence of chemically crosslinked networks.

Original languageEnglish
Pages (from-to)6773-6781
Number of pages9
JournalPolymer
Volume48
Issue number23
DOIs
Publication statusPublished - 2007 Nov 2
Externally publishedYes

Fingerprint

Fullerenes
Polyisoprenes
Polybutadienes
Polystyrenes
Rubber
Polymer blends
Adhesives
Phase separation
Irradiation
Styrene
Dynamic mechanical analysis
Isoprene
Crosslinking
Block copolymers
Hardening
Butadiene
Adhesion
Surface roughness
Gels
polystyrene-block-polyisoprene

Keywords

  • Fullerene
  • Photochemistry
  • Pressure sensitive adhesive

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Nano- and bulk-tack adhesive properties of stimuli-responsive, fullerene-polymer blends, containing polystyrene-block-polybutadiene-block-polystyrene and polystyrene-block-polyisoprene-block-polystyrene rubber-based adhesives. / Phillips, J. Paige; Deng, Xiao; Stephen, Ryan R.; Fortenberry, Erin L.; Todd, Meredith L.; McClusky, D. Michelle; Stevenson, Steven; Misra, Rahul; Morgan, Sarah; Long, Timothy Edward.

In: Polymer, Vol. 48, No. 23, 02.11.2007, p. 6773-6781.

Research output: Contribution to journalArticle

Phillips, J. Paige ; Deng, Xiao ; Stephen, Ryan R. ; Fortenberry, Erin L. ; Todd, Meredith L. ; McClusky, D. Michelle ; Stevenson, Steven ; Misra, Rahul ; Morgan, Sarah ; Long, Timothy Edward. / Nano- and bulk-tack adhesive properties of stimuli-responsive, fullerene-polymer blends, containing polystyrene-block-polybutadiene-block-polystyrene and polystyrene-block-polyisoprene-block-polystyrene rubber-based adhesives. In: Polymer. 2007 ; Vol. 48, No. 23. pp. 6773-6781.
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abstract = "Nano-tack (measured using AFM) and bulk-tack adhesive forces of blends of C 60 and either polystyrene-block-polybutadiene-block-polystyrene (SBS) or polystyrene-block-polyisoprene-block-polystyrene (SIS) triblock copolymer pressure sensitive adhesives were measured after exposure to white light irradiation. The nano-tack adhesive forces in C 60-SIS/SBS were found to decrease with increasing C 60 concentration and exposure time, approaching the value for 100{\%} polystyrene, providing an indication that significant surface hardening and crosslinking of the soft isoprene and butadiene phases occurs in the presence of C 60. Films produced during the study were smooth, having low RMS surface roughness, and showed nanoscale phase separation between the soft (diene) and hard (styrene) segments. This phase separation disappeared after addition of C 60 sensitizer and white light irradiation. Bulk adhesive measurements (tack and peel strength) showed a similar trend with C 60 concentration and exposure time, and in irradiated systems containing as little as 0.2 wt{\%} C 60, a significant decrease in adhesion was observed. Estimated T g (measured using DMA, shear mode) of the soft-block shifts to higher temperatures (increasing by 30-40 °C), and high gel fractions were obtained, indicating the presence of chemically crosslinked networks.",
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