Pokroky Vo Vyrobe A PouZiti Lepidiel V Drevopriemysle Vinne,

 Conferenceproceeding

 MANGROVE (RHIZOPORA RACEMOSE) TANNIN AS ADHESIVE FOR WOOD-BASED PANEL PRODUCTS

 Joseph Fuwape, Amos Oyagade And Anslem Eguanton

 1999

Particleboard and plywood bonded with fortified mangrove tannin were produced from mixed hardwood species. Tests were conducted to determine the bending and internal bond strength, plywood delamination resistance and thickness swelling of the panels. The physical properties of the panels bonded with fortified mangrove tannin were compared with those of phenol formaldehyde (PF) boards. The modulus of rupture, internal bond strength and dimensional stability of the mangrove tannin bonded boards were superior to those of fortified quebracho tannin boards but not as high as those of PF boards. The particleboard and plywood produced from PF fortified tannin met the specification required for commercial boards in Nigeria. 

 Rtm. Bio Composites. Bangor, Indonesia

 Conferenceproceeding

 PRELIMINARY STUDY ON BAMBOO-CEMENT BOARD

 J. A. Fuwape, A. O. Oyagade And O. P. Okoh

 1998

The comportability of Portland cement with finely ground bamboo was determined by the time required for the mixture to attain maximum hydration temperature. The pulverized bamboo was subjected to such treatments as hot water extraction and the use of chemical· additive (CaC12) to enhance its comportability with the cement was observed not to be inhibitory to cement setting while substantial improvement was achieved with the application of CaCl2• Air dried bamboo flakes were used for board production at the cement-bamboo ratio of 3:1, 2.5:1, 1:1 at nominal board density of 1,200 and 1000 kg/m3 respectively. The effects of cement/wood ratio and bound density on the bending strength, internal bond and thickness swelling of cement bonded particleboard from bamboo were investigated. The boards produced at cement-bamboo ratio 1:1 (50:50) failed at the edger due to poor bond while those fabricated at 3:1 and 2.5:1 indicated bending strength to increase with decrease in cement-bamboo ratio. There were no significant variations in the internal bond strength of the various treatments. Boards produced at 3:1 cement-bamboo ratio and 1,000 kg/m3 nominal density, had the lowest mean thickness swelling. 

 FEDERAL DEPARTMENT OF FORESTRY, ABUJA. FEBRUARY 1998. PP. 1-74

 Others

 WOOD-BASED INDUSTRIAL SECTOR REVIEW. FEDERAL GOVERNMENT OF NIGERIA ON NATIONAL FOREST RESOURCES.

 AKINDELE S. O. AND FUWAPE J. A.

 1998

NOT AVAILABLE 

 IN BRIDGWATER A. V. AND D. G. B. BIOCOCK. EDITED BOOK ON DEVELOPMENT IN THERMOCHEMICAL BIOMASS CONVERSION. BLACKIE ACADEMICS PROFESSIONAL, CHAPMAN AND HALL, LONDON. PP. 312-319

 Others

 CARBONIZATION OF FIVE SHORT ROTATION TROPICAL TREE SPECIES

 J. A. FUWAPE

 1997

NOT AVAILABLE 

 Nigerian Journal Of Forestry

 Journal

 TECHNICAL ASSESSMENT OF THREE-LAYER CEMENT-WOOD PARTICLE BOARD

 JOSEPH ADEOLA FUWAPE AND IBIYINKA A. FUWAPE

 1995

The study examined the effect of using wood sawdust as face layers (in 3-layer boards) on the flexural strength and dimensional stability of cement-wood particle board. The boards were produced at four nominal densities viz: 1400, 1200, 1000, 800kgm-3 to assess if variations existed in properties at different board densities. The board stiffness and rigidity of 3-layer particleboards were lower than those of one-layer boards. The modulus of rupture (MOR), modulus of elasticity (MOE) and internal bond (IB) improved with increase in board density in both types of board. The use of wood sawdust as face layer had no significant effect on internal bond. The 3-layer boards exhibited higher dimensional stability than the one-layer board after 24 hours water immersion. 

 Bioresource Technology 52(1995) 283-285 Elsevier Science Limited Printed In Great Britain

 Journal

 CONSTRUCTION AND EVALUATION OF A TIMBER-DRYING SOLAR KILN

 Ibiyinka A. Fuwape & Joseph A. Fuwape

 1995

A solar timber kiln with the capacity to season 3 -24 m3 of lumber was designed, constructed and used for seasoning commercial sawn wood. The kiln was constructed of a timber frame covered with transparent polythene sheet on the top and black leatherette on the sides. Corrugated, galvanized-iron sheet painted black and tilted at 30° to the horizontal served as a heat collector. Two fans were fitted for air circulation. The kiln attained a maximum temperature of 24° above the ambient temperature. The average efficiency of the heat collector was 38·5%. The solar kiln reduced timber drying time by 33·3-57·1% when compared with an air-drying technique. Sawnwoods (25 mm by 300 mm by 360 mm) of Mansonia altissima and Terminalia superba were dried from 46 ·16 to 15·02% and from 52 to 15·4% moisture content respectively in 12 days. 

 Journal Of Tropical Science Resources 4(1):1-8

 Journal

 VARIATIONS IN SOME CHEMICAL COMPONENTS OF GMELINA ARBOREA (ROXB) FROM THREE PLANTATION SITES IN NIGERIA

 JOSEPH ADEOLA FUWAPE

 1995

The holocelluiose, alpha cellulose, lignin, extractives and ash forming mineral were isolated from the heartwood, sapwood, bark, terminal branch and leaves of Ginelina arborea (Roxb) collected from 3 plantation sites. The holocelluiose component was highest in the logwood (54 - 58%) and branch 28 - 48%) while the bark and leaves contained the greatest proportion of lingnin (31 - 41%) and extractive (12 - 24%). There were significant variation in the extractives and ash forming mineral content of different parts of the tree in a site and between different portions of tree in the 3 plantation sites. 

 WORKSHOP ON FOREST RESOURCES MANAGEMENT. 9TH FEBRUARY 1995, AKURE, NIGERIA

 Conferenceproceeding

 STRATEGIES AND TECHNIQUES OF WOOD TREATMENT AND PROCESSING FOR BETTER ECONOMIC RETURNS.

 J. A. FUWAPE & S.O. Ewuola

 1995

Wood is universally used in the construction industry. It is generally adopted for various uses because it is easy to work on, readily available and renewable. It has a wide range of industrial and domestic applications in construction of load bearing structures, transmission poles, joinery and furniture. Wood is an important raw material for pulp and paper production. It is also used as domestic and industrial source of energy. However, since wood is an organic material and a product of a living organism it is subject to attack by fungi, insects, termites, marine borers and bacteria. It is therefore uneconomical to use untreated wood in application where it is exposed to such agents. The objectives of this paper were to explore the economic potentials of teak and other forest products, review strategies and techniques of wood treatment and processing, report on the industrial values of treated wood, investigate the export potentials of treated and well processed wood and consider the option of co-operative effort in wood treatment initiative in Ondo State. 

 Annual Conference Of Agric. Engineering Society, Nigeria. Pp. 1-12

 Conferenceproceeding

 FARM STRUCTURE AND MATERIALS: STRENGTH PROPERTIES, RESISTANCE TO NAIL WITHDRAWAL AND DURABILITY OF WOOD-CEMENT BOARD.

 JOSEPH ADEOLA FUWAPE

 1995

The suitability of wood-cement board as material for constructing structures was evaluated. The experimental boards were made at five cement/wood (oven-dry weight) ratios 3/1, 2.3/1, 1.5/1, 1/1 and 0.7/1 and at four nominal density levels: 1400, 1200, 1000 and 800kgm-3. the strength properties and dimensional stability of the boards involved assessment of the strength properties after accelerated aging, and the evaluation of the resistance of the wood-cement boards to biodeterioration. Results indicated that the bending strength and dimensional stability of the board subjected to accelerated aging satisfied the standard specification for cement bonded particle board intended for external use. 

 Bioresource Technology 43 (1993) 113-115

 Journal

 PAPER FROM KENAF FIBRE

 Joseph Adeola Fuwape

 1993

Samples of kenaf (Hibiscus cannabinus) grown in Nigeria were examined to determine the kraft pulp and papermaking properties of their bast fibres. The average length of kenaf bast fibre was 2.66 mm while the kraft pulp yield was 58.1%. The strength properties of hand sheets were better than those of hardwood pulp but similar to those of softwood. Kenaf is considered promising for production of high-grade printing, writing and specialty papers.