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Topochemical engineering of composite hybrid fibers using layered double hydroxides and abietic acid

Beilstein journal of nanotechnology, 2019, Vol.10 (1), p.589-605 [Peer Reviewed Journal]

Copyright © 2019, Sobhana et al.; licensee Beilstein-Institut. This work is published under http://creativecommons.org/licenses/by/4.0 (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;Copyright © 2019, Sobhana et al. 2019 Sobhana et al. ;ISSN: 2190-4286 ;EISSN: 2190-4286 ;DOI: 10.3762/BJNANO.10.60 ;PMID: 30873331

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Title:
Topochemical engineering of composite hybrid fibers using layered double hydroxides and abietic acid
Author: Sobhana, Liji ; Kesavan, Lokesh ; Gustafsson, Jan ; Fardim, Pedro
Subjects: abietic acid ; Bleaching ; Bond strength ; Cellulose fibers ; Chemistry ; composite hybrid fibers ; Composite materials ; Contact angle ; Crystal growth ; Engineering ; Fiber composites ; Full Research Paper ; Functional groups ; high tensile pulp ; Hybrid composites ; Hydrogen ; Hydrogen bonding ; Hydrogen bonds ; hydrophobic pulp ; Hydrophobicity ; Hydroxides ; Kraft pulp ; Laboratories ; layered double hydroxides ; Lignin ; Lipophilicity ; Morphology ; Nanoscience ; Nanotechnology ; Optical fibers ; Product development ; Surfactants ; Tensile strength ; Ultrasonic testing ; Van der Waals forces ; Wood pulp
Is Part Of: Beilstein journal of nanotechnology, 2019, Vol.10 (1), p.589-605
Description: Topochemical engineering of hybrid materials is an efficient way of synthesizing hydrophobic and highly tensile fiber composites by utilizing the intermolecular hydrogen bonds in natural materials. These materials include wood pulp fibers, abietic acid (resin acid) and inexpensive metal salts. In this work, a hybrid composite was created using bleached and unbleached kraft pulp fibers as cellulose platform. In situ co-precipitation of layered double hydroxide (LDH) was performed to grow LDH crystals on the surface of the cellulose fibers, followed by the immobilization of abietic acid (AA) on LDH-grafted cellulose. Here we aimed to benefit from the hydrogen bonding between -OH groups of cellulose and LDH, and the -COOH groups of AA to obtain charge-directed assembly of one material on the other material. Thus, composite hybrid fibers (C-HF) were produced and then characterized by optical (CAM), spectroscopic (XRD, IR) and microscopic techniques (SEM) to determine their average length and distribution, structure and purity, bonding, and morphology. These fibers further were tested for water contact angle (hydrophobicity), oil absorption (lipophilicity), tensile strength and ISO brightness measurements. The performance of C-HF was compared with unmodified reference fibers (REF), fibers composed with only AA (C-F) and LDH-hybridized fibers (HF). The results revealed a variety of correlations between materials and their properties due to characteristic surface morphology, functional groups, hydrogen bonding and natural co-materials such as lignin and hemicelluloses. Attractive and repulsive van der Waals forces between material entities play a crucial role in the resulting properties.
Publisher: Germany: Beilstein-Institut zur Föerderung der Chemischen Wissenschaften
Language: English
Identifier: ISSN: 2190-4286
EISSN: 2190-4286
DOI: 10.3762/BJNANO.10.60
PMID: 30873331
Source: Open Access: PubMed Central
Geneva Foundation Free Medical Journals at publisher websites
AUTh Library subscriptions: ProQuest Central
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ROAD: Directory of Open Access Scholarly Resources

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Topochemical engineering of composite hybrid fibers using layered double hydroxides and abietic acid

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