The significance of the glass transition of lignin in thermomechanical pulping
Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear t...
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| Autor*in: |
Irvine, G. M. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1985 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag 1985 |
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| Übergeordnetes Werk: |
Enthalten in: Wood science and technology - Springer-Verlag, 1967, 19(1985), 2 vom: Juni, Seite 139-149 |
|---|---|
| Übergeordnetes Werk: |
volume:19 ; year:1985 ; number:2 ; month:06 ; pages:139-149 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF00353074 |
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| Katalog-ID: |
OLC2073060609 |
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| 520 | |a Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear to imply that this transition is manifested as an abrupt softening of the lignin either at a single temperature (the glass transition “point”) or over a relatively narrow temperature range. Application of the time temperature correspondence principle of polymer science and the Williams-Landel-Ferry equation to laboratory measurements of the transition suggests otherwise: in terms of the response of the lignin material to the very rapid cyclic deformation processes occurring within the refiner, the glass transition is predicted to occur over a temperature interval spanning the approximate temperature range 100–170°C within which most thermomechanical pulping is carried out. The consequences of this prediction are discussed in terms of the likely fracture processes occurring during the refining process. | ||
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10.1007/BF00353074 doi (DE-627)OLC2073060609 (DE-He213)BF00353074-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Irvine, G. M. verfasserin aut The significance of the glass transition of lignin in thermomechanical pulping 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1985 Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear to imply that this transition is manifested as an abrupt softening of the lignin either at a single temperature (the glass transition “point”) or over a relatively narrow temperature range. Application of the time temperature correspondence principle of polymer science and the Williams-Landel-Ferry equation to laboratory measurements of the transition suggests otherwise: in terms of the response of the lignin material to the very rapid cyclic deformation processes occurring within the refiner, the glass transition is predicted to occur over a temperature interval spanning the approximate temperature range 100–170°C within which most thermomechanical pulping is carried out. The consequences of this prediction are discussed in terms of the likely fracture processes occurring during the refining process. Lignin Glass Transition Fracture Process Deformation Process Laboratory Measurement Enthalten in Wood science and technology Springer-Verlag, 1967 19(1985), 2 vom: Juni, Seite 139-149 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:19 year:1985 number:2 month:06 pages:139-149 https://doi.org/10.1007/BF00353074 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_11 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4330 AR 19 1985 2 06 139-149 |
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10.1007/BF00353074 doi (DE-627)OLC2073060609 (DE-He213)BF00353074-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Irvine, G. M. verfasserin aut The significance of the glass transition of lignin in thermomechanical pulping 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1985 Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear to imply that this transition is manifested as an abrupt softening of the lignin either at a single temperature (the glass transition “point”) or over a relatively narrow temperature range. Application of the time temperature correspondence principle of polymer science and the Williams-Landel-Ferry equation to laboratory measurements of the transition suggests otherwise: in terms of the response of the lignin material to the very rapid cyclic deformation processes occurring within the refiner, the glass transition is predicted to occur over a temperature interval spanning the approximate temperature range 100–170°C within which most thermomechanical pulping is carried out. The consequences of this prediction are discussed in terms of the likely fracture processes occurring during the refining process. Lignin Glass Transition Fracture Process Deformation Process Laboratory Measurement Enthalten in Wood science and technology Springer-Verlag, 1967 19(1985), 2 vom: Juni, Seite 139-149 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:19 year:1985 number:2 month:06 pages:139-149 https://doi.org/10.1007/BF00353074 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_11 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4330 AR 19 1985 2 06 139-149 |
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10.1007/BF00353074 doi (DE-627)OLC2073060609 (DE-He213)BF00353074-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Irvine, G. M. verfasserin aut The significance of the glass transition of lignin in thermomechanical pulping 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1985 Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear to imply that this transition is manifested as an abrupt softening of the lignin either at a single temperature (the glass transition “point”) or over a relatively narrow temperature range. Application of the time temperature correspondence principle of polymer science and the Williams-Landel-Ferry equation to laboratory measurements of the transition suggests otherwise: in terms of the response of the lignin material to the very rapid cyclic deformation processes occurring within the refiner, the glass transition is predicted to occur over a temperature interval spanning the approximate temperature range 100–170°C within which most thermomechanical pulping is carried out. The consequences of this prediction are discussed in terms of the likely fracture processes occurring during the refining process. Lignin Glass Transition Fracture Process Deformation Process Laboratory Measurement Enthalten in Wood science and technology Springer-Verlag, 1967 19(1985), 2 vom: Juni, Seite 139-149 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:19 year:1985 number:2 month:06 pages:139-149 https://doi.org/10.1007/BF00353074 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_11 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4330 AR 19 1985 2 06 139-149 |
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10.1007/BF00353074 doi (DE-627)OLC2073060609 (DE-He213)BF00353074-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Irvine, G. M. verfasserin aut The significance of the glass transition of lignin in thermomechanical pulping 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1985 Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear to imply that this transition is manifested as an abrupt softening of the lignin either at a single temperature (the glass transition “point”) or over a relatively narrow temperature range. Application of the time temperature correspondence principle of polymer science and the Williams-Landel-Ferry equation to laboratory measurements of the transition suggests otherwise: in terms of the response of the lignin material to the very rapid cyclic deformation processes occurring within the refiner, the glass transition is predicted to occur over a temperature interval spanning the approximate temperature range 100–170°C within which most thermomechanical pulping is carried out. The consequences of this prediction are discussed in terms of the likely fracture processes occurring during the refining process. Lignin Glass Transition Fracture Process Deformation Process Laboratory Measurement Enthalten in Wood science and technology Springer-Verlag, 1967 19(1985), 2 vom: Juni, Seite 139-149 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:19 year:1985 number:2 month:06 pages:139-149 https://doi.org/10.1007/BF00353074 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_11 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4330 AR 19 1985 2 06 139-149 |
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10.1007/BF00353074 doi (DE-627)OLC2073060609 (DE-He213)BF00353074-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Irvine, G. M. verfasserin aut The significance of the glass transition of lignin in thermomechanical pulping 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1985 Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear to imply that this transition is manifested as an abrupt softening of the lignin either at a single temperature (the glass transition “point”) or over a relatively narrow temperature range. Application of the time temperature correspondence principle of polymer science and the Williams-Landel-Ferry equation to laboratory measurements of the transition suggests otherwise: in terms of the response of the lignin material to the very rapid cyclic deformation processes occurring within the refiner, the glass transition is predicted to occur over a temperature interval spanning the approximate temperature range 100–170°C within which most thermomechanical pulping is carried out. The consequences of this prediction are discussed in terms of the likely fracture processes occurring during the refining process. Lignin Glass Transition Fracture Process Deformation Process Laboratory Measurement Enthalten in Wood science and technology Springer-Verlag, 1967 19(1985), 2 vom: Juni, Seite 139-149 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:19 year:1985 number:2 month:06 pages:139-149 https://doi.org/10.1007/BF00353074 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_11 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4330 AR 19 1985 2 06 139-149 |
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The significance of the glass transition of lignin in thermomechanical pulping |
| abstract |
Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear to imply that this transition is manifested as an abrupt softening of the lignin either at a single temperature (the glass transition “point”) or over a relatively narrow temperature range. Application of the time temperature correspondence principle of polymer science and the Williams-Landel-Ferry equation to laboratory measurements of the transition suggests otherwise: in terms of the response of the lignin material to the very rapid cyclic deformation processes occurring within the refiner, the glass transition is predicted to occur over a temperature interval spanning the approximate temperature range 100–170°C within which most thermomechanical pulping is carried out. The consequences of this prediction are discussed in terms of the likely fracture processes occurring during the refining process. © Springer-Verlag 1985 |
| abstractGer |
Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear to imply that this transition is manifested as an abrupt softening of the lignin either at a single temperature (the glass transition “point”) or over a relatively narrow temperature range. Application of the time temperature correspondence principle of polymer science and the Williams-Landel-Ferry equation to laboratory measurements of the transition suggests otherwise: in terms of the response of the lignin material to the very rapid cyclic deformation processes occurring within the refiner, the glass transition is predicted to occur over a temperature interval spanning the approximate temperature range 100–170°C within which most thermomechanical pulping is carried out. The consequences of this prediction are discussed in terms of the likely fracture processes occurring during the refining process. © Springer-Verlag 1985 |
| abstract_unstemmed |
Summary Changing the temperature at which the thermomechanical pulping of wood is carried out may result in significant changes in pulp properties. Such changes are widely attributed to the effect of the glass transition of the lignin. Pulping literature references to this effect frequently appear to imply that this transition is manifested as an abrupt softening of the lignin either at a single temperature (the glass transition “point”) or over a relatively narrow temperature range. Application of the time temperature correspondence principle of polymer science and the Williams-Landel-Ferry equation to laboratory measurements of the transition suggests otherwise: in terms of the response of the lignin material to the very rapid cyclic deformation processes occurring within the refiner, the glass transition is predicted to occur over a temperature interval spanning the approximate temperature range 100–170°C within which most thermomechanical pulping is carried out. The consequences of this prediction are discussed in terms of the likely fracture processes occurring during the refining process. © Springer-Verlag 1985 |
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| title_short |
The significance of the glass transition of lignin in thermomechanical pulping |
| url |
https://doi.org/10.1007/BF00353074 |
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| doi_str |
10.1007/BF00353074 |
| up_date |
2024-07-03T17:07:08.194Z |
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