PENGARUH SENYAWA BORON TERHADAP BEBERAPA SIFAT PAPAN PARTIKEL KARET (Hevea brasiliensis)

Rodjak Memed, I M Sulastiningsih, Paribotro Sutigno

Sari


The objective of the study was to determine the effect  of boron concentration and resin proportion on some properties of rubberwood (Hevea brasiliensis) particleboard. Boron concentrations used were 0, 0.25,  0.50,  0. 75 and  1.0%, and resin proportions in urea formaldehyde were 10, 12 and 14% dry weight basis.

The results indicated that the addition of boron compound to porticleboard reduced the values of bending strength, internal bond strength and shear strength but increased the thickness swelling and water absorption of particleboard. Mechanical properties of particleboard  increased with the increase of resin proportion. Thickness swelling and water absorption decreased as the resin proportion  increases.  Physical and mechanical properties  of particleboard  treated with boron compound up to 1% cocentration level and bonded with urea formaldehyde  at 12% or 14% resin propotions were all  met  the  SII  standard requirements,  except  for  internal  bond  strength.  Compared  with  FAO  standard, particleboards that met all the standard requirements  were those with 14% resin proportion.


Teks Lengkap:

PDF

Referensi


The objective of the study was to determine the effect of boron concentration and resin proportion on some properties of rubberwood (Hevea brasiliensis) particleboard. Boron concentrations used were 0, 0.25, 0.50, 0. 75 and 1.0%, and resin proportions in urea formaldehyde were 10, 12 and 14% dry weight basis.

The results indicated that the addition of boron compound to porticleboard reduced the values of bending strength, internal bond strength and shear strength but increased the thickness swelling and water absorption of particleboard. Mechanical properties of particleboard increased with the increase of resin proportion. Thickness swelling and water absorption decreased as the resin proportion increases. Physical and mechanical properties of particleboard treated with boron compound up to 1% cocentration level and bonded with urea formaldehyde at 12% or 14% resin propotions were all met the SII standard requirements, except for internal bond strength. Compared with FAO standard, particleboards that met all the standard requirements were those with 14% resin proportion.

DAFTARPUSTAKA

Anonim. 1959. ASTM Standard on wood, wood preservatives and related materials. American Society for Testing and Materials, Philadelphia.

----. 1980.TIMER PRESERVATION IN NEW ZEALAND: SPECIFICATIONS. AMENDMENT No. 4 timer presser-vation authority. forest research institute, rotorua.

---.1983 a. papan pertikel datar. standar industry Indonesia. SII 0787 – 83. departemen perindustrian Jakarta.

---. 1983 b. Japanese industrial standard particle-boards. JIS A 5908. Japanese Standards Association, Tokyo.

FAO. 1966. Plywood and other wood-based panels. Food and Agriculture Organization of the United Nations, Rome.

Hall, H.J. and R.O. Gertjejansen. 1979.Weatherability of phenolic bonded Ghanaian hardwood flakeboard made from ACA-treated flakes. Forest Products Journal 29 (12) : 34-38.

Kollmann, F.F.P., E.W. Kuenzi and A.J. Stamm. 1975.

Principle of wood science and technology II. Wood-based materials. New York, Springer Verlag.

Maloney, T.M. 1977. Modern particleboard and dry process fiberboard manufacturing. Miller Freeman Publication, San Francisco.

Razali, A.K. and I.M. Sulastiningsih. 1991. Effects of varying resin content and compression ratio on properties of isocyanate-bonded particleboard. Manuscript for the Seminar on Evaluation of Achievements in IRPA Research in The Fifth Malaysian Plan-Industrial Sector, 21-24 December 1991.Universiti Utara Malaysia, Sintok.

Sulastiningsih, I.M., Rozak Memed dan Paribotro

Sutigno. 1988. Pengaruh kadar perekat dan

campuran kulit terhadap sifat fisis dan mekanis papan partikel tusam. Jurnal Penelitian Hasil Hutan

(4): 184-191.

Sutigno, P. dan I.M. Sulastiningsih. 1992. Hubungan antara keteguhan geser dengan keteguhan rekat internal papan partikel. Jurnal Penelitian Hasil Hutan 10 (1): 16-19.




DOI: https://doi.org/10.20886/jphh.1992.10.5.160%20-%20%20166

Refbacks

  • Saat ini tidak ada refbacks.


JURNAL PENELITIAN HASIL HUTAN TERINDEKS DI:

Lebih banyak...


Copyright © 2015 | Jurnal Penelitian Hasil Hutan (JPHH, Journal of Forest Products Research)
eISSN : 2442-8957, pISSN : 0216-4329
JPHH is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.