Acetylation of Wood Flour from Four Wood Species Grown in Nigeria Using Vinegar and Acetic Anhydride

Table 4

Percent of water absorption after soaking for 1, 2 and 16 hours.

S/N	Blend sample	Dry weight (g)	Weight after soaking/h			Percentage of water absorption (%)/h
			1 h	2 h	16 h	1 h	2 h	16 h
1	Acetic anhydride treated blends	1.00	1.08	1.16	1.38	8	16	38
2	Acetic anhydride untreated blends	1.00	1.34	1.39	1.49	34	39	49
3	Untreated blends	1.00			2.70			70
	Vinegar treated blends	1.00			1.52			52