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Wood-polymer composites from some tropical hardwoods

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Summary

Selected tropical hardwoods from Cameroon were impregnated with methyl methacrylate and polymerized in situ using a catalyst-heat technique. The fractional volumetric retentions of monomer and polymer were determined and expressed in terms of the fraction of voids filled by the impregnant. Of the three species tested, Movingui and Bilinga were easily treatable and therefore considered suitable for wood-polymer composites; on the other hand Sapelli was difficult to treat.

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Abbreviations

M:

Movingui

B:

Bilinga

S:

Sapelli

MMA:

Methyl Methacrylate

PMMA:

Polymethyl Methacrylate

Fvl:

average values of the fraction of voids filled by monomer

Fvp:

average values of the fraction of void filled by polyme

Vm :

volume fraction of impregnant

Vv :

void volume fraction of the unimpregnated material

mc :

mass of the impregnated material

mw :

oven-dry mass of the wood prior to impregnation

ϱw :

density of the wood based on oven-dry mass and volume

ϱm :

density of the impregnant

ϱws :

density of cell wall material assumed to be 1.54 g/cm3

References

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Authors and Affiliations

  1. Physical Chemistry Laboratory Faculty of Sciences, University of Yaounde, P.O.Box 812, Yaounde, Cameroon

    J. N. Noah

  2. Structural Analysis Laboratory E. N. S. P., University of Yaounde, P.O. Box 8390, Yaounde, Cameroon

    A. Foudjet

Authors
  1. J. N. Noah
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  2. A. Foudjet
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Noah, J.N., Foudjet, A. Wood-polymer composites from some tropical hardwoods. Wood Sci.Technol. 22, 115–119 (1988). https://doi.org/10.1007/BF00355847

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  • DOI: https://doi.org/10.1007/BF00355847

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