Room-temperature laminating of CCA-treated lumber with copolymer resins made of biomass extracts

Alkaline extracts of peanut hulls and pecan shell flour were used to synthesize copolymer resins containing phenol, resorcinol, and formaldehyde. Three levels of molar ratios of formaldehyde to phenol, extracts, and resorcinol in combination with three levels of resin viscosity were investigated. CC...

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Published in:Forest products journal 2000-03, Vol.50 (3), p.81-86
Main Authors: CHEN, C.-M, NICHOLLS, D. L
Format: Article
Language:English
Subjects:
Adhesion
Adhesives
Applied sciences
Biomass
Bond strength
Caustic soda
Chemicals
Curing
Environmental protection
Exact sciences and technology
Forest products industry
Investigations
Lumber
Phenols
Polymer industry, paints, wood
Preservatives
Resins
Shear strength
Shear tests
Studies
Timber
Variance analysis
Viscosity
Wood products
Wood-based materials
Wood. Paper. Non wovens
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NICHOLLS, D. L
description Alkaline extracts of peanut hulls and pecan shell flour were used to synthesize copolymer resins containing phenol, resorcinol, and formaldehyde. Three levels of molar ratios of formaldehyde to phenol, extracts, and resorcinol in combination with three levels of resin viscosity were investigated. CCA-treated and untreated southern pine wood blocks were laminated with these experimental copolymer resins at room temperature and at 190 psi for approximately 18 hours. The gluelines were evaluated with the vacuum/pressure water soak method for testing exterior gluelines of structural glulam. In laminating CCA-treated southern pine lumber, several copolymer resins containing approximately 12.5% of resorcinol provided more than 85% wood failure and 1,000 psi shear strength. The higher molar ratio of formaldehyde to phenol, extracts, and resorcinol combined with lower viscosity exhibited the strongest glueline quality in bonding CCA-treated and untreated southern pine wood blocks.
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L</creator><creatorcontrib>CHEN, C.-M ; NICHOLLS, D. L</creatorcontrib><description>Alkaline extracts of peanut hulls and pecan shell flour were used to synthesize copolymer resins containing phenol, resorcinol, and formaldehyde. Three levels of molar ratios of formaldehyde to phenol, extracts, and resorcinol in combination with three levels of resin viscosity were investigated. CCA-treated and untreated southern pine wood blocks were laminated with these experimental copolymer resins at room temperature and at 190 psi for approximately 18 hours. The gluelines were evaluated with the vacuum/pressure water soak method for testing exterior gluelines of structural glulam. In laminating CCA-treated southern pine lumber, several copolymer resins containing approximately 12.5% of resorcinol provided more than 85% wood failure and 1,000 psi shear strength. The higher molar ratio of formaldehyde to phenol, extracts, and resorcinol combined with lower viscosity exhibited the strongest glueline quality in bonding CCA-treated and untreated southern pine wood blocks.</description><identifier>ISSN: 0015-7473</identifier><identifier>EISSN: 2376-9637</identifier><identifier>CODEN: FPJOAB</identifier><language>eng</language><publisher>Madison, WI: Forest Products Society</publisher><subject>Adhesion ; Adhesives ; Applied sciences ; Biomass ; Bond strength ; Caustic soda ; Chemicals ; Curing ; Environmental protection ; Exact sciences and technology ; Forest products industry ; Investigations ; Lumber ; Phenols ; Polymer industry, paints, wood ; Preservatives ; Resins ; Shear strength ; Shear tests ; Studies ; Timber ; Variance analysis ; Viscosity ; Wood products ; Wood-based materials ; Wood. Paper. Non wovens</subject><ispartof>Forest products journal, 2000-03, Vol.50 (3), p.81-86</ispartof><rights>2000 INIST-CNRS</rights><rights>COPYRIGHT 2000 Forest Products Society</rights><rights>Copyright Forest Products Society Mar 2000</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/214624315?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,780,784,11688,36060,44363</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=1298553$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>CHEN, C.-M</creatorcontrib><creatorcontrib>NICHOLLS, D. 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The higher molar ratio of formaldehyde to phenol, extracts, and resorcinol combined with lower viscosity exhibited the strongest glueline quality in bonding CCA-treated and untreated southern pine wood blocks.</description><subject>Adhesion</subject><subject>Adhesives</subject><subject>Applied sciences</subject><subject>Biomass</subject><subject>Bond strength</subject><subject>Caustic soda</subject><subject>Chemicals</subject><subject>Curing</subject><subject>Environmental protection</subject><subject>Exact sciences and technology</subject><subject>Forest products industry</subject><subject>Investigations</subject><subject>Lumber</subject><subject>Phenols</subject><subject>Polymer industry, paints, wood</subject><subject>Preservatives</subject><subject>Resins</subject><subject>Shear strength</subject><subject>Shear tests</subject><subject>Studies</subject><subject>Timber</subject><subject>Variance analysis</subject><subject>Viscosity</subject><subject>Wood products</subject><subject>Wood-based materials</subject><subject>Wood. 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ispartof Forest products journal, 2000-03, Vol.50 (3), p.81-86
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2376-9637
language eng
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source EBSCOhost Business Source Ultimate; ABI/INFORM Global
subjects Adhesion
Adhesives
Applied sciences
Biomass
Bond strength
Caustic soda
Chemicals
Curing
Environmental protection
Exact sciences and technology
Forest products industry
Investigations
Lumber
Phenols
Polymer industry, paints, wood
Preservatives
Resins
Shear strength
Shear tests
Studies
Timber
Variance analysis
Viscosity
Wood products
Wood-based materials
Wood. Paper. Non wovens
title Room-temperature laminating of CCA-treated lumber with copolymer resins made of biomass extracts
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