Modification of rubber wood with styrene in combination with diethyl allyl phosphate as the flame-retardant agent

• Published in: Journal of applied polymer science Vol. 105; no. 5; pp. 2461 - 2467
• Main Authors: Devi, Rashmi R., Saikia, C. N., Thakur, Ashim J., Maji, T. K.
• Format: Journal Article
• Language: English
• Published: Hoboken Wiley Subscription Services, Inc., A Wiley Company 05.09.2007; Wiley
• Subjects: Applied sciences; Degradation and preservation; diethyl allyl phosphate; Exact sciences and technology; fire retardancy; Polymer industry, paints, wood; thermal properties; Wood; wood-polymer composite; Wood. Paper. Non wovens; Hevea brasiliensis; Heat treatment; Graft copolymer; fire retardancy; Grafting; Thermal stability; Additive; wood-polymer composite; diethyl allyl phosphate; Dicotyledones; Angiospermae; Euphorbiaceae; Water absorption; Elastic modulus; Phosphorus copolymer; Swelling; Mechanical properties; Flame retardant; Hardness; Experimental study; Fire protection; Thermal properties; Chemical treatment; Flammability; Organic phosphate; Spermatophyta; Allylic derivative copolymer; Styrene copolymer
• ISSN: 0021-8995; 1097-4628
• DOI: 10.1002/app.26342

Rubber wood (Hevea brasiliensis) polymer composite was prepared using styrene as the monomer in combination with diethyl allyl phosphate (DEAP) to improve flame‐retardant property. DEAP was synthesized, characterized and incorporated into wood with styrene. The polymerization was accomplished by catalyst heat treatment using AIBN as the catalyst. The properties of wood–polymer composites (WPC) like water absorption, swelling in water, hardness, modulus of elasticity (MOE), modulus of rupture (MOR) etc. were improved on treatment. The thermal degradation behavior of WPC was evaluated using thermogravimetric analysis (TGA) and the flammability of the WPC was evaluated using the limiting oxygen index (LOI) test. It was observed that fire retardancy of WPC improved on incorporation of DEAP. FTIR spectroscopy and SEM study showed the interaction between wood and the polymers. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007