Bonding strength of poly(vinyl acetate)-based adhesives in some wood materials treated with impregnation

Örs, Yalçın; Atar, Musa; Özçi̇fçi̇, Ayhan

doi:10.1002/(sici)1097-4628(20000531)76:9<1472::aid-app11>3.3.co;2-f

Cited by 8 publications

(9 citation statements)

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“…The highest shear strength was obtained in the Oriental beech specimens with the application of T‐CBC with the dipping method and by gluing with K 303 . The lowest shear strength was obtained in the Scotch pine specimens with the application of T‐CBC with the vacuum method and by bonding with K 305.0 glue 29…”

Section: Introductionmentioning

confidence: 99%

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The shear strength of Calabrian pine (Pinus brutia Ten.) bonded with polyurethane and polyvinyl acetate adhesives

Burdurlu

Kiliç

Elibol

et al. 2006

J of Applied Polymer Sci

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ABSTRACT:In this study, the change in shear strength on radial and tangential surfaces of Calabrian Pine (Pinus brutia Ten.) wood having different roughness values as the result of sawing with a circular ripsaw, planing and sanding, and bonded with polyurethane (PU) and polyvinyl acetate (PVAc) adhesives at the pressure levels of 3, 6, and 9 kgf/ cm 2 , was studied. Each of the 360 specimens prepared to determine the effect of the variables on bond performance were subjected to shear test in an universal test machine in accordance with the ASTM D 905-98 standards. The values obtained were analyzed statistically and the results were interpreted. The highest shear strength (11.83 N/mm 2 ) for plane of cut was obtained on the tangential surface after sanding and applying PVAc adhesive with a pressing pressure of 9 kgf/cm 2 . The lowest shear strength (6.01 N/mm 2 ) was obtained in the joinings made on the planed surfaces by using PU adhesive and a pressing pressure of 3 kgf/cm 2 .The highest shear strength (9.10 N/mm 2 ) on the radial surface was obtained after sanding and applying PVAc adhesive and pressing with a pressure of 6 kgf/cm 2 . The lowest shear strength (3.76 N/mm 2 ) was obtained in the specimens whose surfaces were sanded and glued with PU adhesive with a pressing pressure of 3 kgf/cm 2 . In general, in the radial surfaces, just like in the tangential surfaces, the specimens bonded with PVAc exhibited a higher shear strength compared with those glued with PU. According to these results, it is definitely necessary to sand the surfaces prior to the bonding process to have a higher shear strength. The bonding process should be made on the tangential surfaces with higher pressures. The PVAc adhesive should be preferred instead of the PU adhesive.

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Section: Introductionmentioning

confidence: 99%

“…The test results showed that the highest shear strength (11.84 N/mm 2 ) was obtained for the wood materials of Oriental beech treated with T‐CBC with K 303 by using the dipping method. The lowest shear strength (3.1 N/mm 2 ) was obtained for Scotch pine treated with T‐CBC with K 305.0 by using the vacuum method 29…”

Section: Introductionmentioning

confidence: 99%

The shear strength of Calabrian pine (Pinus brutia Ten.) bonded with polyurethane and polyvinyl acetate adhesives

Burdurlu

Kiliç

Elibol

et al. 2006

J of Applied Polymer Sci

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“…In this regard, adhesives have several chemical and mechanical characteristics that need to be considered, but the shear strength is one of the most important factors. In fact, the shear strength, as one of the most common interfacial stresses under service conditions (Pizzo et al 2003;Serrano 2004), is commonly used as the reference parameter to compare the bond strength of different adhesives (Vick and Okkonen 1998;Örs et al 2000;Serrano 2004;Burdurlu et al 2006;Konnerth et al 2006;Raftery et al 2009;Lu et al 2013;Bomba et al 2014;Derikvand et al 2014;Li et al 2015;Šedivka et al 2015).…”

Section: Introductionmentioning

confidence: 99%

A Modified Method for Shear Strength Measurement of Adhesive Bonds in Solid Wood

Derikvand

Pangh

2015

BioResources

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An experimental method was developed in this investigation to evaluate the shear strength of adhesive bonds in solid wood materials. The new method was tested against the standard test methods described in ASTM D-905, EN 205, and EN 302-1. Specimens were constructed of Oriental Beech (Fagus orientalis L.) and bonded with three different wood adhesives. Using the proposed method in the study, unintentional errors in cutting and testing processes of the shear specimens were decreased, which led to a decrease in the variability of the results. The worst stability was observed in the data obtained when the EN 205 and ASTM D-905 standard methods were used.

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“…They found that the mean tension strength of the finger‐jointed specimens was 70 ± 11 N/mm 2 . Örs et al7 studied the bonding strength of Oriental beech, Scotch pine, and Uludağ fir ( Abies bormülleriana Mattf.) that had been impregnated and bonded with PVAc and PVAc‐based adhesives (K 303 , K 305.0 , and SL 308 ).…”

Section: Introductionmentioning

confidence: 99%

Effect of PVAc bonding on finger‐joint strength of steamed and unsteamed beech wood (Fagus sylvatica)

Vassiliou

Barboutis

Karastergiou

2006

J of Applied Polymer Sci

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Beech wood is one of the most important species used in furniture production in Europe. In this work, the effects of poly(vinyl acetate) (PVAc) bonding [durability classes D1, D2, and D3 according to EN 204 : 2001), finger length (4 and 10 mm), and finger orientation on the bending strength of finger-jointed steamed and unsteamed beech wood (Fagus sylvatica) were studied. Specimens were prepared according to EN 385 (2001) In both steamed and unsteamed wood the specimens with a finger length of 10 mm showed higher MOR than the specimens with a finger length of 4 mm. The MOE of the unsteamed specimens was not affected by finger jointing, whereas, the MOE of the steamed specimens increased slightly (by 5.4%) compared to the control solid wood. It was concluded that it was better to use a 10-mm finger length and the D3 durability class of PVAc adhesives when fingerjointed furniture lumber is produced.

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Bonding strength of poly(vinyl acetate)-based adhesives in some wood materials treated with impregnation

Cited by 8 publications

References 0 publications

The shear strength of Calabrian pine (Pinus brutia Ten.) bonded with polyurethane and polyvinyl acetate adhesives

The shear strength of Calabrian pine (Pinus brutia Ten.) bonded with polyurethane and polyvinyl acetate adhesives

A Modified Method for Shear Strength Measurement of Adhesive Bonds in Solid Wood

Effect of PVAc bonding on finger‐joint strength of steamed and unsteamed beech wood (Fagus sylvatica)

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