Synthesis and characterization of phenol-formaldehyde resin using enzymatic hydrolysis lignin

Qiao, Wei; Li, Shujun; Guo, Guowan; Han, Shiyan; Ren, Shixue; Ma, Yanli

doi:10.1016/j.jiec.2014.06.016

Cited by 126 publications

(57 citation statements)

References 24 publications

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“…This result was caused by the complexity of LPBL in terms of composition and the low condensation reaction activity of some components of LPBL, such as 2,6‐methoxyphenoxy, 3‐hydroxy‐4‐methoxypehnol, or 4‐hydroxy‐3,5‐dimethoxy benzaldehyde. The two, four, or six sites in the aromatic ring were occupied by methoxy or aldehyde groups, which hindered its participation in the condensation reaction …”

Section: Resultsmentioning

confidence: 99%

Microwave‐assisted hydrothermal liquefaction of lignin for the preparation of phenolic formaldehyde adhesive

Liu

et al. 2016

J of Applied Polymer Sci

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This study aimed to produce phenolic formaldehyde (PF) adhesives using the liquefaction product of bagasse lignin (LPBL) as a partial substitute for petroleum-based phenol. Lignin was extracted from bagasse using 93% acetic acid solution and was rapidly degraded in hot-compressed water by microwave heating using oxalic acid as catalyst. The liquefaction yield reached 78.69% under the optimal reaction condition. Gas chromatography-mass spectrometry (GC/MS) analysis showed that the main chemical compounds of the liquefaction product included mono-substituted and bis-substituted phenols, such as 2,6-dimethoxyphenol, 4hydroxybenzaldehyde, and so on. The LPBL was employed to replace a portion of phenol at varying ratios from 0 to 20 wt % in the preparation of PF adhesives. The molecular weight, viscosity, and adhesive strength of LPBL-PF adhesives were found to be lower than those of pure PF adhesives. With the phenol replaced by LPBL up to 20%, the viscosity and adhesive strength of the resin were 4.046 Pa s and 1.017 MPa, respectively.

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Section: Resultsmentioning

confidence: 99%

Microwave‐assisted hydrothermal liquefaction of lignin for the preparation of phenolic formaldehyde adhesive

Liu

et al. 2016

J of Applied Polymer Sci

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“…Application of enzymatic hydrolysis lignin in the production of phenol-formaldehyde resin has also been studied (Jin et al 2010, Qiao et al 2014.…”

Section: Ligninmentioning

confidence: 99%

Sustainable Bio-Based Adhesives for Eco-Friendly Wood Composites a Review

Antov¹,

Savov²,

Neykov³

2020

105

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The aim of the present review is to summarize the current state of research in the field of sustainable bio-based adhesives used for production of eco-friendly wood composite materials. The article is focused mainly on the use of lignin, starch and tannins as raw materials and alternatives to the existing conventional adhesives. It is expected that increased amounts of biobased adhesives will be used in the production of wood composites in order to meet the current needs for development of sustainable and innovative materials which will make the wood-based panel industry more sustainable and lower its dependence on fossil fuels. However, there are still substantial challenges for the complete replacement of petroleum-based wood adhesives with biobased adhesives, mainly because of their relatively poor water resistance, low bonding strength and large natural variations due to different growing conditions. In this respect, fundamental research is still need in order to determine the factors for formulating bio-based adhesives with optimal properties and broaden their application in wood-based panel industry.

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“…The production of phenol-formaldehyde resin from lignin has been a very traditional research subject, and it has still been one of the current research subjects for lignin utilization [66,67]. Polyurethane resin from lignin has been a well-studied polymer.…”

Section: Lignin Resinmentioning

confidence: 99%

Utilization of wood cell wall components

Uraki

Koda

2015

J Wood Sci

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This article summarizes current utilizations of wood cell wall components in relation to biorefinery of woody biomass as a separation method of its constituents. Especially, utilization of isolated lignins, involving transformation and molding, are demonstrated with respect to productions of carbon fibers and their further functionalization, such as developments of activated carbon fibers and electrodes for second battery and electric double-layer capacitor.

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Synthesis and characterization of phenol-formaldehyde resin using enzymatic hydrolysis lignin

Cited by 126 publications

References 24 publications

Microwave‐assisted hydrothermal liquefaction of lignin for the preparation of phenolic formaldehyde adhesive

Microwave‐assisted hydrothermal liquefaction of lignin for the preparation of phenolic formaldehyde adhesive

Sustainable Bio-Based Adhesives for Eco-Friendly Wood Composites a Review

Utilization of wood cell wall components

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