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Synthesis of Humin-Phenol-Formaldehyde Adhesive.

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Title: Synthesis of Humin-Phenol-Formaldehyde Adhesive.
Authors: Shimin Kang1 kangshimin@dgut.edu.cn, Jinxia Fu2 jinxiafu@hawaii.edu, Gang Zhang1 2015804@dgut.edu.cn, Wentao Zhang3 zhangwt@dgut.edu.cn, Huibin Yin1 yinhb@dgut.edu.cn, Yongjun Xu1 xuyj@dgut.edu.cn
Source: Polymers (20734360). Aug2017, Vol. 9 Issue 8, p373. 10p. 1 Black and White Photograph, 1 Chart, 4 Graphs.
Subjects: Humins, Biomass, Hydrolysis, Phenol, Chemical synthesis, Formaldehyde
Abstract: Humins are low-value-added byproducts from the biomass acid hydrolysis process. In the present work, humins were first employed as a phenol replacement for synthesis of modified phenol-formaldehyde adhesives through a two-step process. In this process, humins were first utilized to obtain alkaline soluble products, mainly consisting of phenolics, through a hydrothermal process. The obtained alkaline soluble products then reacted with phenol and formaldehyde to produce humin-phenol-formaldehyde adhesive (HPFA). The physicochemical properties of HPFA, including viscosity, bonding strength, pH, free formaldehyde level, free phenol level and solid content, met the requirements of the GB/T 14732-2006 Chinese National Standard. [ABSTRACT FROM AUTHOR]
Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Synthesis of Humin-Phenol-Formaldehyde Adhesive.
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  Data: <searchLink fieldCode="AR" term="%22Shimin+Kang%22">Shimin Kang</searchLink><relatesTo>1</relatesTo><i> kangshimin@dgut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Jinxia+Fu%22">Jinxia Fu</searchLink><relatesTo>2</relatesTo><i> jinxiafu@hawaii.edu</i><br /><searchLink fieldCode="AR" term="%22Gang+Zhang%22">Gang Zhang</searchLink><relatesTo>1</relatesTo><i> 2015804@dgut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wentao+Zhang%22">Wentao Zhang</searchLink><relatesTo>3</relatesTo><i> zhangwt@dgut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Huibin+Yin%22">Huibin Yin</searchLink><relatesTo>1</relatesTo><i> yinhb@dgut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yongjun+Xu%22">Yongjun Xu</searchLink><relatesTo>1</relatesTo><i> xuyj@dgut.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Polymers+%2820734360%29%22">Polymers (20734360)</searchLink>. Aug2017, Vol. 9 Issue 8, p373. 10p. 1 Black and White Photograph, 1 Chart, 4 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Humins%22">Humins</searchLink><br /><searchLink fieldCode="DE" term="%22Biomass%22">Biomass</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrolysis%22">Hydrolysis</searchLink><br /><searchLink fieldCode="DE" term="%22Phenol%22">Phenol</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+synthesis%22">Chemical synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Formaldehyde%22">Formaldehyde</searchLink>
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  Label: Abstract
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  Data: Humins are low-value-added byproducts from the biomass acid hydrolysis process. In the present work, humins were first employed as a phenol replacement for synthesis of modified phenol-formaldehyde adhesives through a two-step process. In this process, humins were first utilized to obtain alkaline soluble products, mainly consisting of phenolics, through a hydrothermal process. The obtained alkaline soluble products then reacted with phenol and formaldehyde to produce humin-phenol-formaldehyde adhesive (HPFA). The physicochemical properties of HPFA, including viscosity, bonding strength, pH, free formaldehyde level, free phenol level and solid content, met the requirements of the GB/T 14732-2006 Chinese National Standard. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/polym9080373
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 373
    Subjects:
      – SubjectFull: Humins
        Type: general
      – SubjectFull: Biomass
        Type: general
      – SubjectFull: Hydrolysis
        Type: general
      – SubjectFull: Phenol
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      – SubjectFull: Chemical synthesis
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      – SubjectFull: Formaldehyde
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      – TitleFull: Synthesis of Humin-Phenol-Formaldehyde Adhesive.
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              M: 08
              Text: Aug2017
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              Y: 2017
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