Effects of adding nano-clay on performance of polyvinyl acetate (PVA) as a wood adhesive

Kaboorani, Alireza; Riedl, Bernard

doi:10.1016/j.compositesa.2011.04.007

Cited by 110 publications

(87 citation statements)

References 43 publications

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“…While such additives are usually included to alter the adhesive properties, [7][8][9] some researchers have used additives to improve the mechanical properties of the adhesive. 10,11 In addition, it is worth noting that in the last few years a small number of researchers have begun to explore using nano-materials as additives in adhesives [9][10][11][12] One of the most commonly used thermoplastic adhesives is polyvinyl acetate (PVAc). 4,10,13,14 We note that this material is not to be confused with polyvinyl alcohol (PVA), a polymer that has been much studied as a nano-composite matrix.…”

Section: Introductionmentioning

confidence: 99%

“…10,11 In addition, it is worth noting that in the last few years a small number of researchers have begun to explore using nano-materials as additives in adhesives [9][10][11][12] One of the most commonly used thermoplastic adhesives is polyvinyl acetate (PVAc). 4,10,13,14 We note that this material is not to be confused with polyvinyl alcohol (PVA), a polymer that has been much studied as a nano-composite matrix. 15,16 Generally found as a water-based emulsion, PVAc is most often used as an adhesive for porous materials such as wood and paper.…”

Section: Introductionmentioning

confidence: 99%

“…Adhesives based on PVAc loaded with small quantities of nanoclays have even exhibited small but significant increases in adhesive strength. 10 …”

Section: Introductionmentioning

confidence: 99%

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Improved Adhesive Strength and Toughness of Polyvinyl Acetate Glue on Addition of Small Quantities of Graphene

Khan

May

Porwal

et al. 2013

ACS Appl. Mater. Interfaces

121

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We have prepared composites of polyvinyl acetate (PVAc) reinforced with solution exfoliated graphene. We observe a 50% increase in stiffness and a 100% increase in tensile strength on addition of 0.1vol% graphene compared to the pristine polymer. As PVAc is commonly used commercially as a glue, we have tested such composites as adhesives. The adhesive strength and toughness of the composites were up to 4 and 7 times higher, respectively, than the pristine polymer.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Improved Adhesive Strength and Toughness of Polyvinyl Acetate Glue on Addition of Small Quantities of Graphene

Khan

May

Porwal

et al. 2013

ACS Appl. Mater. Interfaces

121

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“…Though, today we have a large gamut of polymers of diverse applications but considering above mentioned facts, we have chosen polyvinyl acetate (PVAc) for this work. PVAc is a type of thermoplastic with hydrophobic nature and comprises the characteristics of coating and adhesive [28][29][30]. As a result, ultimate product of BiFeO 3 / PVAc composite can be used in the field of magneto-electric coating or adhesives.…”

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confidence: 99%

Effect of surface modification of BiFeO3 on the dielectric, ferroelectric, magneto-dielectric properties of polyvinylacetate/BiFeO3 nanocomposites

Bajpai¹,

Kamdi²,

Selvakumar³

et al. 2014

Express Polym. Lett.

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Abstract. Bismuth ferrite (BiFeO 3 ) is considered as one of the most promising materials in the field of multiferroics. In this work, a simple green route as well as synthetic routes has been used for the preparation of pure phase BiFeO 3 . An extract of Calotropis Gigantea flower was used as a reaction medium in green route. In each case so formed BiFeO 3 particles are of comparable quality. These particles are in the range of 50-60 nm and exhibit mixed morphology (viz., spherical and cubic) as confirmed by TEM analysis. These pure phase BiFeO 3 nanoparticles were first time surface modified effectively by mean of two silylating agent's viz., tetraethyl orthosilicate (TEOS) and (3-Aminopropyl)triethoxysilane (APTES). Modified and unmodified BiFeO 3 nanoparticles were efficiently introduced into polyvinylacetate (PVAc) matrix. It has been shown that nanocomposite prepared by modified BiFeO 3 comprise superior dispersion characteristics, improved ferroelectric properties and favorable magneto-dielectric properties along with excellent wettability in compare to nanocomposite prepared by unmodified BiFeO 3 . These preliminary results demonstrate possible applications of this type of nanocomposites particularly in the field of multiferroic coating and adhesives. Vol.8, No.9 (2014) 669-681 Available online at www.expresspolymlett.com DOI: 10.3144/expresspolymlett.2014.70 * Corresponding author, e-mail: santanuchat71@yahoo.com © BME-PT mon in the eastern and southern parts of India, Ceylon and Eastern Asia. The milky juice obtained from Calotropis Gigantea is used for medicinal and insecticidal purposes [20]. The roots and leaves of Calotropis Gigantea are also used traditionally for treatment of abdominal tumors, boils, syphilis, leprosy, insect-bites and elephantiasis [21]. Extract of Calotropis Gigantean leaves also has significant antioxidant property. As reported in literature, there are numerous bio-organic compounds present in the plant systems such as flavonoids, terpenoids, proteins, reducing sugars and alkaloids [22,23]. These bio-organic compounds are supposed to be involved either as reducing agents or as stabilizing agent in the formation of nanoparticles. It is assumed that formation of nanoparticles occurs through the ionic or electrostatic interactions between the metal complexes and the functional groups on the biomass surfaces. But due to the bio-diversity of the plant biomasses, the exact mechanism by which bio-constituents of plants have contributed to the synthesis process is so far not completely understood. Moreover, though BiFeO 3 have many favorable properties, but still it is difficult to used directly. Being ceramic, as such BiFeO 3 is brittle in nature, very less shock resistive and has poor moldability [24]. To make it even more advantageous these disabilities ought to be rectified. The best way to do so is by making the composite of BiFeO 3 with a suitable polymer, since most of the polymers have better shock resistance, easy processability and being cheaper too. Also by judicious...

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“…Na maioria dos casos de ruptura da junta adesiva, tal fato ocorre no substrato ou na interface (substrato/adesivo). Normalmente, as ligações adesivas são enfraquecidas na presença de umidade e temperatura (KABOORANI et al, 2011;CLAUß et al, 2011;STOECKEL et al, 2013).…”

Section: Introductionunclassified

Resistência Ao Cisalhamento Das Juntas Adesivas Produzidas Com Três Diferentes Espécies De Madeiras E Adesivos Vinílicos Para Aplicações Não Estruturais

Oliveira

Seraphim

2015

Rev. Árvore

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Os adesivos utilizados na colagem de madeiras para aplicações não estruturais normalmente contêm uma emulsão de poli(acetato de vinila) (PVAc) estabilizada com poli(álcool vinílico) e alguns aditivos. A ligação adesiva formada com essa classe de adesivo é pobre quando exposta à umidade e à temperatura. Nesse contexto, a classificação prévia dos adesivos utilizados para aplicações não estruturais, com resistência à umidade e à temperatura, é muito importante para a qualidade e durabilidade das juntas adesivas. Neste trabalho, foi estudada a influência de três espécies de madeiras (Fagus sylvatica L., Mimosa scabrella Bentham e Micropholis cf. venulosa Mart. & Eichler) na resistência ao cisalhamento das juntas adesivas preparadas com três adesivos vinílicos, sintetizados com diferentes concentrações do N-butoximetilacrilamida (NBMA). Os ensaios de resistência ao cisalhamento, na linha de colagem, foram realizados sob diferentes ciclos de acondicionamento das juntas adesivas. Os resultados indicaram que há diferenças significativas na resistência de colagem das juntas adesivas e na porcentagem de falha na madeira provocada, tanto pela espécie de madeira quanto pelo tipo de adesivo utilizado. Os adesivos produzidos foram classificados de acordo com a classe de durabilidade, após várias etapas de acondicionamento. Os valores mais altos de resistência ao cisalhamento foram observados nas juntas coladas com as madeiras de Micropholis cf. venulosa Mart. & Eichler e Fagus sylvatica L., com o adesivo AD-3. O menor valor de resistência ao cisalhamento foi observado nas juntas adesivas preparadas com a madeira da espécie Mimosa scabrella Bentham. A madeira Micropholis cf. venulosa Mart. & Eichler mostrou-se mais adequada para a substituição da madeira Fagus sylvatica L.

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Effects of adding nano-clay on performance of polyvinyl acetate (PVA) as a wood adhesive

Cited by 110 publications

References 43 publications

Improved Adhesive Strength and Toughness of Polyvinyl Acetate Glue on Addition of Small Quantities of Graphene

Improved Adhesive Strength and Toughness of Polyvinyl Acetate Glue on Addition of Small Quantities of Graphene

Effect of surface modification of BiFeO3 on the dielectric, ferroelectric, magneto-dielectric properties of polyvinylacetate/BiFeO3 nanocomposites

Resistência Ao Cisalhamento Das Juntas Adesivas Produzidas Com Três Diferentes Espécies De Madeiras E Adesivos Vinílicos Para Aplicações Não Estruturais

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