Characterization of PMMA Composite Dispersed Aluminum Powder Prepared by Solution-Casting to Utilize for Automobile Body Applications

Ebihara, Yoshihide; Kunikyo, Nobuaki; Suenaga, Ryuichi; Nishi, Yoshitake

doi:10.2978/jsas.21.31

Journal of Advanced Science

2009

DOI: 10.2978/jsas.21.31

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Characterization of PMMA Composite Dispersed Aluminum Powder Prepared by Solution-Casting to Utilize for Automobile Body Applications

Yoshihide Ebihara

Nobuaki Kunikyo

Ryuichi Suenaga

et al.

Abstract: In order to utilize for automobile body applications, poly-methyl methacrylic acid (acrylic resin, PMMA) composites dispersed by Al-powders was prepared by solution-casting, which could easily control the dispersion ratio. Although the Al addition gradually decreased the impact value, it radically enhanced the electrical conductivity at the critical volume fraction in polymer. The jump of electrical conductivity was observed at the critical volume fraction of the Al addition. Based on the percolation theory, t… Show more

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Cited by 4 publications

References 8 publications

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Electrical Conductivity of Cu-Powder Dispersed Polymer Composites Prepared by Solution-Cast

Kunikyo¹,

Hirano²,

Kanda³

et al. 2008

J. Japan Inst. Metals

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Cu powders dispersed ABS polymers were prepared by solution cast, which could easily control the dispersion ratio. The Cu addition gradually enhanced the electrical conductivity at less and more less than the critical volume fraction (19.0±1.0 volCu) in ABS polymer. The jump of electrical conductivity was observed by the Cu addition at the critical volume fraction. The result was explained by the percolation theory.

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Electrical Conductivity of Cu-Powder Dispersed Polymer Composites Prepared by Solution-Cast

Kunikyo¹,

Hirano²,

Kanda³

et al. 2008

J. Japan Inst. Metals

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show abstract

Electrical Conductivity of Cu-Powder Dispersed PMMA Composites Prepared by Solution-Cast

Ebihara¹,

Kunikyo²,

Kanda³

et al. 2010

J. Japan Inst. Metals

Self Cite

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Cu powders dispersed poly methyl methacrylic acid (acrylic resin, PMMA) was prepared by solution cast, which could easily control the dispersion ratio. The Cu addition gradually enhanced the electrical conductivity at less and more than the critical volume fraction (15.0±1.0 volCu) in PMMA. The jump of electrical conductivity was observed by the Cu addition at the critical volume fraction. Although the result was mostly explained by the percolation theory, the critical Cu volume fraction to convert the high conductivity of PMMA composite is 4.0 vol lower than that of ABS composites.

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Giant Bending Strain of Reversible Motion of Uni-Morph Soft Mover Composites Driven by Hydrogen Storage Alloy Powders Dispersed in Polyurethane Sheet

et al. 2009

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In order to generate the bending motion operated by pressure change in hydrogen gas, soft uni-morph composites were prepared, in which composites dispersed with not only driving particles of LaNi 5 hydrogen storage alloy with Pd-Al 2 O 3 catalyst powders to get high responsiveness, were piled up on a simple polyurethane sheet. Since the highest values of irreversible bending strain at the first hydrogenation (" 1) under 0.3 MPa H 2 gas and the maximum irreversible bending strain during hydrogenation cycles (" m) were remarkably obtained at the 35 vol% of LaNi 5 powders dispersed in polyurethane composites, the bending strain of reversible motion was detected from the first to the 8th hydrogenation (" r 1 and " r 8) under 0.2 MPa H 2 gas. The bending strain of reversible motion of polyurethane composites sheet is more than 2000 ppm, which was approximately equal to that of silicone rubber composites and is extremely larger than that (300 ppm) of ABS resin composites. Responsiveness (d"=dt) of cyclic motion of elastic deformed mover composites, which were constructed with 35 vol%LaNi 5 dispersed powder and matrix of polyurethane or silicone rubber, were more than 10 times higher than that of ABS composite.

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Characterization of PMMA Composite Dispersed Aluminum Powder Prepared by Solution-Casting to Utilize for Automobile Body Applications

Cited by 4 publications

References 8 publications

Electrical Conductivity of Cu-Powder Dispersed Polymer Composites Prepared by Solution-Cast

Electrical Conductivity of Cu-Powder Dispersed Polymer Composites Prepared by Solution-Cast

Electrical Conductivity of Cu-Powder Dispersed PMMA Composites Prepared by Solution-Cast

Giant Bending Strain of Reversible Motion of Uni-Morph Soft Mover Composites Driven by Hydrogen Storage Alloy Powders Dispersed in Polyurethane Sheet

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