Characterization of chemically modified wood fibers using FTIR spectroscopy for biocomposites

Jae Gyoung Gwon; Sun Young Lee; Geum Hyun Doh; Jung Hyeun Kim

doi:10.1002/app.31746

Characterization of chemically modified wood fibers using FTIR spectroscopy for biocomposites

Jae Gyoung Gwon, Sun Young Lee, Geum Hyun Doh, Jung Hyeun Kim

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

160 Scopus citations

Abstract

Chemical modifications of wood fibers (LignocelVR C120) were performed for biocomposite applications, and chemically modified wood fibers were analyzed by FTIR spectroscopy. NaOH treatment showed band shifts from Cell-I to Cell-II in FTIR spectra from 2902 cm^-1, 1425 cm^-1, 1163 cm ^-1, 983 cm^-1, and 897 cm^-1 to 2894 cm ^-1, 1420 cm^-1, 1161 cm^-1, 993 cm^-1, and 895 cm^-1 and the change in peak height at 1111 cm^-1 and 1059 cm^-1 assigned for Cell-I structure. Silane treatment showed peak changes at 1200 cm^-1 assigned as SiAOAC band, at 765 cm ^-1 assigned as SiAC symmetric stretching bond, at 700 cm^-1 assigned as SiAOASi symmetric stretching, and at 465 cm^-1 assigned as SiAOAC asymmetric bending. Benzoyl treatment resulted in an increase in the carbonyl stretching absorption at 1723 cm^-1 and in band characteristics of aromatic rings (1604 cm^-1 and 710 cm^-1) and a strong absorption at 1272 cm^-1 for CAO band in aromatic ring.

Original language	English
Pages (from-to)	3212-3219
Number of pages	8
Journal	Journal of Applied Polymer Science
Volume	116
Issue number	6
DOIs	https://doi.org/10.1002/app.31746
State	Published - 15 Jun 2010

Keywords

Coupling agent
Crystalline structure
FTIR
Hydrophilic polymer
NaOH

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title = "Characterization of chemically modified wood fibers using FTIR spectroscopy for biocomposites",

abstract = "Chemical modifications of wood fibers (LignocelVR C120) were performed for biocomposite applications, and chemically modified wood fibers were analyzed by FTIR spectroscopy. NaOH treatment showed band shifts from Cell-I to Cell-II in FTIR spectra from 2902 cm-1, 1425 cm-1, 1163 cm -1, 983 cm-1, and 897 cm-1 to 2894 cm -1, 1420 cm-1, 1161 cm-1, 993 cm-1, and 895 cm-1 and the change in peak height at 1111 cm-1 and 1059 cm-1 assigned for Cell-I structure. Silane treatment showed peak changes at 1200 cm-1 assigned as SiAOAC band, at 765 cm -1 assigned as SiAC symmetric stretching bond, at 700 cm-1 assigned as SiAOASi symmetric stretching, and at 465 cm-1 assigned as SiAOAC asymmetric bending. Benzoyl treatment resulted in an increase in the carbonyl stretching absorption at 1723 cm-1 and in band characteristics of aromatic rings (1604 cm-1 and 710 cm-1) and a strong absorption at 1272 cm-1 for CAO band in aromatic ring.",

keywords = "Coupling agent, Crystalline structure, FTIR, Hydrophilic polymer, NaOH",

author = "Gwon, {Jae Gyoung} and Lee, {Sun Young} and Doh, {Geum Hyun} and Kim, {Jung Hyeun}",

year = "2010",

month = jun,

day = "15",

doi = "10.1002/app.31746",

language = "English",

volume = "116",

pages = "3212--3219",

journal = "Journal of Applied Polymer Science",

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T1 - Characterization of chemically modified wood fibers using FTIR spectroscopy for biocomposites

AU - Gwon, Jae Gyoung

AU - Lee, Sun Young

AU - Doh, Geum Hyun

AU - Kim, Jung Hyeun

PY - 2010/6/15

Y1 - 2010/6/15

N2 - Chemical modifications of wood fibers (LignocelVR C120) were performed for biocomposite applications, and chemically modified wood fibers were analyzed by FTIR spectroscopy. NaOH treatment showed band shifts from Cell-I to Cell-II in FTIR spectra from 2902 cm-1, 1425 cm-1, 1163 cm -1, 983 cm-1, and 897 cm-1 to 2894 cm -1, 1420 cm-1, 1161 cm-1, 993 cm-1, and 895 cm-1 and the change in peak height at 1111 cm-1 and 1059 cm-1 assigned for Cell-I structure. Silane treatment showed peak changes at 1200 cm-1 assigned as SiAOAC band, at 765 cm -1 assigned as SiAC symmetric stretching bond, at 700 cm-1 assigned as SiAOASi symmetric stretching, and at 465 cm-1 assigned as SiAOAC asymmetric bending. Benzoyl treatment resulted in an increase in the carbonyl stretching absorption at 1723 cm-1 and in band characteristics of aromatic rings (1604 cm-1 and 710 cm-1) and a strong absorption at 1272 cm-1 for CAO band in aromatic ring.

AB - Chemical modifications of wood fibers (LignocelVR C120) were performed for biocomposite applications, and chemically modified wood fibers were analyzed by FTIR spectroscopy. NaOH treatment showed band shifts from Cell-I to Cell-II in FTIR spectra from 2902 cm-1, 1425 cm-1, 1163 cm -1, 983 cm-1, and 897 cm-1 to 2894 cm -1, 1420 cm-1, 1161 cm-1, 993 cm-1, and 895 cm-1 and the change in peak height at 1111 cm-1 and 1059 cm-1 assigned for Cell-I structure. Silane treatment showed peak changes at 1200 cm-1 assigned as SiAOAC band, at 765 cm -1 assigned as SiAC symmetric stretching bond, at 700 cm-1 assigned as SiAOASi symmetric stretching, and at 465 cm-1 assigned as SiAOAC asymmetric bending. Benzoyl treatment resulted in an increase in the carbonyl stretching absorption at 1723 cm-1 and in band characteristics of aromatic rings (1604 cm-1 and 710 cm-1) and a strong absorption at 1272 cm-1 for CAO band in aromatic ring.

KW - Coupling agent

KW - Crystalline structure

KW - FTIR

KW - Hydrophilic polymer

KW - NaOH

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DO - 10.1002/app.31746

M3 - Article

AN - SCOPUS:77950929286

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JO - Journal of Applied Polymer Science

JF - Journal of Applied Polymer Science

IS - 6

ER -

Characterization of chemically modified wood fibers using FTIR spectroscopy for biocomposites

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