método de reduzir a emissão de formaldeído de um produto de fibra mineral, e produto de fibra mineral com emissão de formaldeído reduzida

摘要

A method of reducing the formaldehyde emission of a mineral fibre product bonded with a urea-modified phenol-formaldehyde resol resin-type binder comprises the step of adding dextrose to the binder composition during and/or after preparation of the binder composition but before curing of the binder composition applied to the mineral fibres.