NDLI: Relevance between Cassava Starch Liquefied by Phenol and Modification of Phenol-Formaldehyde Resin Wood Adhesive

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Relevance between Cassava Starch Liquefied by Phenol and Modification of Phenol-Formaldehyde Resin Wood Adhesive

Content Provider	MDPI
Author	Liu, Jinming Fang, Jianlin Xie, Enjun Gan, Weixing
Copyright Year	2022
Description	A novel type of phenol-formaldehyde (PF) resin was prepared by utilizing the liqtion products liquefied by phenol under acidic conditions and then reacted with formaldehyde under alkaline conditions. The relationship between the liqtion behavior of cassava starch and the properties of modified PF resin wood adhesive was studied. The effects of the liquid–solid ratio of phenol to cassava starch, sulfuric acid usage, and liqtion time on the liqtion residue rate and relative crystallinity of cassava starch were determined. The results showed that the bonding strength of modified PF resin decreased gradually with the decrease of the liquid–solid ratio. It was a great surprise that bonding strength still met the requirement of the national standard of 0.7 MPa when the liquid–solid ratio was 1.0. The detailed contents were analyzed through FT-IR, SEM, and XRD. In terms of the utilization of bio-materials for liqtion to synthesize wood adhesive, cassava starch may be superior to the others.
Starting Page	1914
e-ISSN	20734360
DOI	10.3390/polym14091914
Journal	Polymers
Issue Number	9
Volume Number	14
Language	English
Publisher	MDPI
Publisher Date	2022-05-07
Access Restriction	Open
Subject Keyword	Polymers Paper and Wood Cassava Starch Phenol-formaldehyde Resin Liquefaction Wood Adhesive
Content Type	Text
Resource Type	Article

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