Preparation of Fire Retardant Surface Using Lignin

Fire retardant is prepared from urea, formaldehyde and lignin for the application of Urea formaldehyde resins was applied in same concentration by different method like drying. Retardancy of the treated wood was compared with in terms of temperature generation.. Beside the flammability results, temperature generation curve, cellulose-resin reaction mechanism, thermogravimetry (TG) and FTIR analysis of the control, treated wood were also compared and commented condensation polymerization at temperature 90-100ºC and PH range (7.5-8) was used for the reaction between urea and formaldehyde to produce polymeric adhesive. UF of resorcinol are used as bonding catalyst (an adhesion promoter) for UFlignin solid waste fibers system as curing binary system of adhesive for wood/wood laminate. Mechanical properties such as impact strength, bending test have been measured .The result shows that all these properties are increased when percentage of bonding catalyst material is increased for adhesive-fiber system at different arrangement for solid waste lignin use as a fire retardant.