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10 Undecenoic Acid

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Tsuneo Urisu – One of the best experts on this subject based on the ideXlab platform.

  • Deposition of 10Undecenoic Acid self-assembled layers on H–Si(1 1 1) surfaces studied with AFM and FT-IR
    Applied Surface Science, 2004
    Co-Authors: Ryugo Tero, T. Nagasawa, T. Nagata, Tsuneo Urisu

    Abstract:

    Self-assembling layers of 10Undecenoic Acid (UA) were deposited on H-terminated Si(1 1 1) surfaces and characterized with atomic force microscopy (AFM) and Fourier-transform infrared (FT-IR) spectroscopy measurements for the first time. The unique island structures are deposited by layer-by-layer growth mechanism. The IR spectra suggest that the multilayers grown over the first monolayer are deposited by weak intermolecular interactions such as Van der Waals force and hydrogen bonding.

  • deposition of 10 Undecenoic Acid self assembled layers on h si 1 1 1 surfaces studied with afm and ft ir
    Applied Surface Science, 2004
    Co-Authors: Ryugo Tero, T. Nagasawa, T. Nagata, Tsuneo Urisu

    Abstract:

    Self-assembling layers of 10Undecenoic Acid (UA) were deposited on H-terminated Si(1 1 1) surfaces and characterized with atomic force microscopy (AFM) and Fourier-transform infrared (FT-IR) spectroscopy measurements for the first time. The unique island structures are deposited by layer-by-layer growth mechanism. The IR spectra suggest that the multilayers grown over the first monolayer are deposited by weak intermolecular interactions such as Van der Waals force and hydrogen bonding.

Dongping Zhao – One of the best experts on this subject based on the ideXlab platform.

  • Polyesters derived from bio-based eugenol and 10Undecenoic Acid: synthesis, characterization, and structure–property relationships
    RSC Advances, 2015
    Co-Authors: Dongping Zhao

    Abstract:

    Renewable monomers derived from eugenol and 10Undecenoic Acid were synthesized via thiol-ene click and nucleophilic substitution reactions. With these monomers in hand, a series of thermoplastic polyesters with tunable thermo-mechanical properties were prepared via two-step melt polycondensation. The prepared polyesters exhibit weight-average molecular weights in the range of 21 000–48 000 g mol−1, together with polydispersity values between 1.8 and 2.1. Experiments involving thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA) were carried out in order to study the thermal and mechanical properties of the polymers. All prepared polyester species prove to be thermally stable at temperatures up to 300 °C. Furthermore, the aromatic and semi-aromatic polyesters exhibit fully amorphous behaviours with glass transition temperatures (Tgs) ranging between −34.13 and 6.97 °C. Herein, the density of the rigid aromatic rings along the main chains of the polyester has a distinct influence on the Tg values. Furthermore, the fully aliphatic polyesters prove to be semi-crystalline with inconspicuous Tg. The incorporation of aromatic eugenol into the polyester chains and the density of the benzene rings were also found to result in a significant improvement in the mechanical properties, including Young’s modulus and elongation at break in the range of 11.6 to 44.2 MPa and 33.6–106.7%, respectively. The relatively high tan δ and the low storage modulus indicate that eugenol-based polyesters feature superior viscosity properties and may therefore find future applicability in a variety of high-tech materials.

  • polyesters derived from bio based eugenol and 10 Undecenoic Acid synthesis characterization and structure property relationships
    RSC Advances, 2015
    Co-Authors: Dongping Zhao

    Abstract:

    Renewable monomers derived from eugenol and 10Undecenoic Acid were synthesized via thiol-ene click and nucleophilic substitution reactions. With these monomers in hand, a series of thermoplastic polyesters with tunable thermo-mechanical properties were prepared via two-step melt polycondensation. The prepared polyesters exhibit weight-average molecular weights in the range of 21 000–48 000 g mol−1, together with polydispersity values between 1.8 and 2.1. Experiments involving thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA) were carried out in order to study the thermal and mechanical properties of the polymers. All prepared polyester species prove to be thermally stable at temperatures up to 300 °C. Furthermore, the aromatic and semi-aromatic polyesters exhibit fully amorphous behaviours with glass transition temperatures (Tgs) ranging between −34.13 and 6.97 °C. Herein, the density of the rigid aromatic rings along the main chains of the polyester has a distinct influence on the Tg values. Furthermore, the fully aliphatic polyesters prove to be semi-crystalline with inconspicuous Tg. The incorporation of aromatic eugenol into the polyester chains and the density of the benzene rings were also found to result in a significant improvement in the mechanical properties, including Young’s modulus and elongation at break in the range of 11.6 to 44.2 MPa and 33.6–106.7%, respectively. The relatively high tan δ and the low storage modulus indicate that eugenol-based polyesters feature superior viscosity properties and may therefore find future applicability in a variety of high-tech materials.

Ryugo Tero – One of the best experts on this subject based on the ideXlab platform.

  • Deposition of 10Undecenoic Acid self-assembled layers on H–Si(1 1 1) surfaces studied with AFM and FT-IR
    Applied Surface Science, 2004
    Co-Authors: Ryugo Tero, T. Nagasawa, T. Nagata, Tsuneo Urisu

    Abstract:

    Self-assembling layers of 10Undecenoic Acid (UA) were deposited on H-terminated Si(1 1 1) surfaces and characterized with atomic force microscopy (AFM) and Fourier-transform infrared (FT-IR) spectroscopy measurements for the first time. The unique island structures are deposited by layer-by-layer growth mechanism. The IR spectra suggest that the multilayers grown over the first monolayer are deposited by weak intermolecular interactions such as Van der Waals force and hydrogen bonding.

  • deposition of 10 Undecenoic Acid self assembled layers on h si 1 1 1 surfaces studied with afm and ft ir
    Applied Surface Science, 2004
    Co-Authors: Ryugo Tero, T. Nagasawa, T. Nagata, Tsuneo Urisu

    Abstract:

    Self-assembling layers of 10Undecenoic Acid (UA) were deposited on H-terminated Si(1 1 1) surfaces and characterized with atomic force microscopy (AFM) and Fourier-transform infrared (FT-IR) spectroscopy measurements for the first time. The unique island structures are deposited by layer-by-layer growth mechanism. The IR spectra suggest that the multilayers grown over the first monolayer are deposited by weak intermolecular interactions such as Van der Waals force and hydrogen bonding.