Study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resin

A new zero-waste and zero-pollution composite adhesive labeled Chinese fir-based adhesive for exterior plywood was synthesized by blending alkaline Chinese fir (Cunninghamia lanceolata) liquid with a small amount of phenol-formaldehyde (PF). The free phenol and free formaldehyde content of the Chine...

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Autores principales:	Lin,Ruihang, Sun,Jin, Yue,Chao, Wang,Xiaobo, Tu,Dengyu, Gao,Zhenzhong
Lenguaje:	English
Publicado:	Universidad del Bío-Bío 2014
Materias:	Chinese fir-based adhesive formaldehyde bonding properties FT-IR DSC
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2014000200003
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spelling	oai:scielo:S0718-221X20140002000032014-05-13Study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resinLin,RuihangSun,JinYue,ChaoWang,XiaoboTu,DengyuGao,Zhenzhong Chinese fir-based adhesive formaldehyde bonding properties FT-IR DSC A new zero-waste and zero-pollution composite adhesive labeled Chinese fir-based adhesive for exterior plywood was synthesized by blending alkaline Chinese fir (Cunninghamia lanceolata) liquid with a small amount of phenol-formaldehyde (PF). The free phenol and free formaldehyde content of the Chinese fir-based adhesive were sharply decreased compared to normal PF resin by more than 50%. The synthetic adhesive show with excellent water resistance and environmental friendliness, which had a 28h boil-dry-boil wet bonding strength of 1,73MPa according to standard JIS K6806-2003 and a formaldehyde emission of 0,045mg/L according to standard JIS A1460-2003. The structural properties and their thermal properties of cured adhesives were evaluated using Fourier transform infrared (FT-IR) and differential scanning calorimetry (DSC). The FT-IR analysis confirmed the expected chemical structure as the Chinese fir liquid reacted with formaldehyde and phenol which occurred at the wavenumbers of 1733, 1698, 1652cm-1 and 1077, 1048 cm-1. Although the DSC results indicated that the Chinese fir-based adhesive's curing need higher temperature than the control PF resin, the higher curing temperature hardly cripple the availability of Chinese fir-based resin in the plywood production.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.16 n.2 20142014-05-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2014000200003en
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Chinese fir-based adhesive formaldehyde bonding properties FT-IR DSC
spellingShingle	Chinese fir-based adhesive formaldehyde bonding properties FT-IR DSC Lin,Ruihang Sun,Jin Yue,Chao Wang,Xiaobo Tu,Dengyu Gao,Zhenzhong Study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resin
description	A new zero-waste and zero-pollution composite adhesive labeled Chinese fir-based adhesive for exterior plywood was synthesized by blending alkaline Chinese fir (Cunninghamia lanceolata) liquid with a small amount of phenol-formaldehyde (PF). The free phenol and free formaldehyde content of the Chinese fir-based adhesive were sharply decreased compared to normal PF resin by more than 50%. The synthetic adhesive show with excellent water resistance and environmental friendliness, which had a 28h boil-dry-boil wet bonding strength of 1,73MPa according to standard JIS K6806-2003 and a formaldehyde emission of 0,045mg/L according to standard JIS A1460-2003. The structural properties and their thermal properties of cured adhesives were evaluated using Fourier transform infrared (FT-IR) and differential scanning calorimetry (DSC). The FT-IR analysis confirmed the expected chemical structure as the Chinese fir liquid reacted with formaldehyde and phenol which occurred at the wavenumbers of 1733, 1698, 1652cm-1 and 1077, 1048 cm-1. Although the DSC results indicated that the Chinese fir-based adhesive's curing need higher temperature than the control PF resin, the higher curing temperature hardly cripple the availability of Chinese fir-based resin in the plywood production.
author	Lin,Ruihang Sun,Jin Yue,Chao Wang,Xiaobo Tu,Dengyu Gao,Zhenzhong
author_facet	Lin,Ruihang Sun,Jin Yue,Chao Wang,Xiaobo Tu,Dengyu Gao,Zhenzhong
author_sort	Lin,Ruihang
title	Study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resin
title_short	Study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resin
title_full	Study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resin
title_fullStr	Study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resin
title_full_unstemmed	Study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resin
title_sort	study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resin
publisher	Universidad del Bío-Bío
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2014000200003
work_keys_str_mv	AT linruihang studyonpreparationandpropertiesofphenolformaldehydechinesefirliquefactioncopolymerresin AT sunjin studyonpreparationandpropertiesofphenolformaldehydechinesefirliquefactioncopolymerresin AT yuechao studyonpreparationandpropertiesofphenolformaldehydechinesefirliquefactioncopolymerresin AT wangxiaobo studyonpreparationandpropertiesofphenolformaldehydechinesefirliquefactioncopolymerresin AT tudengyu studyonpreparationandpropertiesofphenolformaldehydechinesefirliquefactioncopolymerresin AT gaozhenzhong studyonpreparationandpropertiesofphenolformaldehydechinesefirliquefactioncopolymerresin
_version_	1714202578952126464

Study on preparation and properties of phenol-formaldehyde-chinese fir liquefaction copolymer resin

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