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10.3390/ma13030676
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Article

Preparation and Characterization of the Flame Retardant Decorated Plywood Based on the Intumescent Flame Retardant Adhesive

by
Muting Wu
,
Wei Song
,
Yuzhang Wu
and
Wei Qu
*
Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China
*
Author to whom correspondence should be addressed.
Materials 2020, 13(3), 676; https://doi.org/10.3390/ma13030676
Submission received: 10 January 2020 / Revised: 29 January 2020 / Accepted: 31 January 2020 / Published: 3 February 2020
(This article belongs to the Section Construction and Building Materials)
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Abstract

A novel type of flame-retardant decorated plywood (FDP) was designed and prepared based on one kind of intumescent flame-retardant adhesive. The flame-retardant adhesive was composed of the phosphorous-nitrogen flame retardant and melamine urea formaldehyde (MUF) resin. An adhesive was placed between the plywood substrate and the decorative veneer. The shear strength of the FDP satisfied the Class II (GB/T 9846) when the ratio of flame-retardant and MUF was less than 0.65. The thermal stability of the flame-retardant adhesive was measured by thermogravimetric analysis (TGA). The intumescent behaviors of adhesives were systematically investigated. The morphological and chemical structures of the intumescent char of the flame-retardant adhesive were characterized by the scanning electron microscopy (SEM) and Fourier transform infrared spectra (FTIR), respectively. The fire performance of FDP was assessed by the cone calorimeter and the single burning item test. The FDP exhibited the most effective barrier when the optimized ratio of ammonium polyphosphate (APP) and pentaerythritol (PER) in the adhesive is 3. The flame-retardant class of FDP could be up to class B1(B) according to GB/T 8624.
Keywords: flame-retardant plywood; decorated plywood; intumescent flame retardant; cone calorimeter; single burning item flame-retardant plywood; decorated plywood; intumescent flame retardant; cone calorimeter; single burning item
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MDPI and ACS Style

Wu, M.; Song, W.; Wu, Y.; Qu, W. Preparation and Characterization of the Flame Retardant Decorated Plywood Based on the Intumescent Flame Retardant Adhesive. Materials 2020, 13, 676. https://doi.org/10.3390/ma13030676

AMA Style

Wu M, Song W, Wu Y, Qu W. Preparation and Characterization of the Flame Retardant Decorated Plywood Based on the Intumescent Flame Retardant Adhesive. Materials. 2020; 13(3):676. https://doi.org/10.3390/ma13030676

Chicago/Turabian Style

Wu, Muting, Wei Song, Yuzhang Wu, and Wei Qu. 2020. "Preparation and Characterization of the Flame Retardant Decorated Plywood Based on the Intumescent Flame Retardant Adhesive" Materials 13, no. 3: 676. https://doi.org/10.3390/ma13030676

APA Style

Wu, M., Song, W., Wu, Y., & Qu, W. (2020). Preparation and Characterization of the Flame Retardant Decorated Plywood Based on the Intumescent Flame Retardant Adhesive. Materials, 13(3), 676. https://doi.org/10.3390/ma13030676

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