Publication

The varying mass ratios of soft and hard segments in waterborne polyurethane films: Performances of thermal conductivity and adhesive properties

Li, R., Ton Loontjens, J. A. & Shan, Z., Mar-2019, In : European Polymer Journal. 112, p. 423-432 10 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Li, R., Ton Loontjens, J. A., & Shan, Z. (2019). The varying mass ratios of soft and hard segments in waterborne polyurethane films: Performances of thermal conductivity and adhesive properties. European Polymer Journal, 112, 423-432. https://doi.org/10.1016/j.eurpolymj.2019.01.025

Author

Li, Rui ; Ton Loontjens, J. A. ; Shan, Zhihua. / The varying mass ratios of soft and hard segments in waterborne polyurethane films : Performances of thermal conductivity and adhesive properties. In: European Polymer Journal. 2019 ; Vol. 112. pp. 423-432.

Harvard

Li, R, Ton Loontjens, JA & Shan, Z 2019, 'The varying mass ratios of soft and hard segments in waterborne polyurethane films: Performances of thermal conductivity and adhesive properties', European Polymer Journal, vol. 112, pp. 423-432. https://doi.org/10.1016/j.eurpolymj.2019.01.025

Standard

The varying mass ratios of soft and hard segments in waterborne polyurethane films : Performances of thermal conductivity and adhesive properties. / Li, Rui; Ton Loontjens, J. A.; Shan, Zhihua.

In: European Polymer Journal, Vol. 112, 03.2019, p. 423-432.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Li R, Ton Loontjens JA, Shan Z. The varying mass ratios of soft and hard segments in waterborne polyurethane films: Performances of thermal conductivity and adhesive properties. European Polymer Journal. 2019 Mar;112:423-432. https://doi.org/10.1016/j.eurpolymj.2019.01.025


BibTeX

@article{a2e1aec8ff0e49a8b8d61c08d21de229,
title = "The varying mass ratios of soft and hard segments in waterborne polyurethane films: Performances of thermal conductivity and adhesive properties",
abstract = "Waterborne polyurethanes (WPUs) with different mass ratios of soft and hard segments were synthesized by toluene diisocyanate, polypropylene glycol (PPG) and ethylene glycol (EG). It was shown that the PPG-based WPU with a mass ratio of soft and hard segments of 3:2 expressed a highest thermal conductivity (similar to 0.374 W/m.K), but showed a lowest T-peel strength (21.55 N/25 mm). As the mass ratio of soft and hard segments increased to 4:1, the T-peel strength was increased to 136.14 N/25 mm and thermal conductivity was decreased to a lowest value (similar to 0.306 W/m.K). To gain more understandings a number of analytic were carried out, such as FTIR, TG, DSC, DMA, AFM and XRD. Furthermore, mechanical properties of the PPG-based WPU coatings were tested as well. A possible explanation for the change in properties is due to the degree of phase separation and crystallinity, which was increased with the increasing of hard segment content. As a result, the hard and soft segments formed orderly oriented stacked structures by owing to the increasing of phase separation.",
keywords = "Waterborne polyurethane, Mass ratio of soft and hard segment, Thermal conductivity, Adhesive property, Phase separation, COMPOSITES, NANOCOMPOSITES, DISPERSION",
author = "Rui Li and {Ton Loontjens}, {J. A.} and Zhihua Shan",
year = "2019",
month = "3",
doi = "10.1016/j.eurpolymj.2019.01.025",
language = "English",
volume = "112",
pages = "423--432",
journal = "European Polymer Journal",
issn = "0014-3057",
publisher = "PERGAMON-ELSEVIER SCIENCE LTD",

}

RIS

TY - JOUR

T1 - The varying mass ratios of soft and hard segments in waterborne polyurethane films

T2 - Performances of thermal conductivity and adhesive properties

AU - Li, Rui

AU - Ton Loontjens, J. A.

AU - Shan, Zhihua

PY - 2019/3

Y1 - 2019/3

N2 - Waterborne polyurethanes (WPUs) with different mass ratios of soft and hard segments were synthesized by toluene diisocyanate, polypropylene glycol (PPG) and ethylene glycol (EG). It was shown that the PPG-based WPU with a mass ratio of soft and hard segments of 3:2 expressed a highest thermal conductivity (similar to 0.374 W/m.K), but showed a lowest T-peel strength (21.55 N/25 mm). As the mass ratio of soft and hard segments increased to 4:1, the T-peel strength was increased to 136.14 N/25 mm and thermal conductivity was decreased to a lowest value (similar to 0.306 W/m.K). To gain more understandings a number of analytic were carried out, such as FTIR, TG, DSC, DMA, AFM and XRD. Furthermore, mechanical properties of the PPG-based WPU coatings were tested as well. A possible explanation for the change in properties is due to the degree of phase separation and crystallinity, which was increased with the increasing of hard segment content. As a result, the hard and soft segments formed orderly oriented stacked structures by owing to the increasing of phase separation.

AB - Waterborne polyurethanes (WPUs) with different mass ratios of soft and hard segments were synthesized by toluene diisocyanate, polypropylene glycol (PPG) and ethylene glycol (EG). It was shown that the PPG-based WPU with a mass ratio of soft and hard segments of 3:2 expressed a highest thermal conductivity (similar to 0.374 W/m.K), but showed a lowest T-peel strength (21.55 N/25 mm). As the mass ratio of soft and hard segments increased to 4:1, the T-peel strength was increased to 136.14 N/25 mm and thermal conductivity was decreased to a lowest value (similar to 0.306 W/m.K). To gain more understandings a number of analytic were carried out, such as FTIR, TG, DSC, DMA, AFM and XRD. Furthermore, mechanical properties of the PPG-based WPU coatings were tested as well. A possible explanation for the change in properties is due to the degree of phase separation and crystallinity, which was increased with the increasing of hard segment content. As a result, the hard and soft segments formed orderly oriented stacked structures by owing to the increasing of phase separation.

KW - Waterborne polyurethane

KW - Mass ratio of soft and hard segment

KW - Thermal conductivity

KW - Adhesive property

KW - Phase separation

KW - COMPOSITES

KW - NANOCOMPOSITES

KW - DISPERSION

U2 - 10.1016/j.eurpolymj.2019.01.025

DO - 10.1016/j.eurpolymj.2019.01.025

M3 - Article

VL - 112

SP - 423

EP - 432

JO - European Polymer Journal

JF - European Polymer Journal

SN - 0014-3057

ER -

ID: 118743016