Crystal structure of H-ShapedAlkane H 3C(CH 2) 2} 2OHC(CH 2) 4COH{(CH 2) 2CH 3} 2 and its compatibility with high density polyethylene

Hiroko Yamamoto, Ayako Himuro, Taisuke Matsumoto, Daisuke Noda, Akihiko Takada, Yukihiro Motoyama, Yoshiaki Takahashi

Research output: Contribution to journalArticlepeer-review


We synthesized a complex branched alkane (H-shaped) with two hydroxyl groups attached to branching points and studied its crystalline structure and also compatibility with high density polyethylene (PE). Results of DSC and X-ray diffraction on solution-crystallized and bulk-crystallized H-shaped alkanes gave same lattice constants for a triclinic type of crystal, a = 1.04nm, b = 1.27nm, c = 1.60nm, α = 95.7°, β = 91.6°, and γ= 109.4°. H-shaped/PE binary system showed a solid solution region 0.05 < Φ H < 0.40, where Φ H is the volume fraction of H-shaped alkane. On the other hand, in the region 0.46 < Φ H < 0.90, H-shaped and PE are considered to mix athermally in the liquid state and to present separately in this binary system, taking crystal structures different from each other.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalZairyo/Journal of the Society of Materials Science, Japan
Issue number1
Publication statusPublished - Jan 2009

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Crystal structure of H-ShapedAlkane H <sub>3</sub>C(CH <sub>2</sub>) <sub>2</sub>} <sub>2</sub>OHC(CH <sub>2</sub>) <sub>4</sub>COH{(CH <sub>2</sub>) <sub>2</sub>CH <sub>3</sub>} <sub>2</sub> and its compatibility with high density polyethylene'. Together they form a unique fingerprint.

Cite this