FIBERGLASS BINDER COMPRISING CURED BENZOHYDRO-BENZOFURANE

摘要

A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises a reaction product of a multi- aldehyde or multi-ketone and a phenolic compound. When heated, the reaction product undergoes curing to form a water-insoluble cured benzohydro-benzofurane binder which exhibits good adhesion to glass. In a preferred embodiment, a reaction product of a multi-aldehyde and a phenolic compound having more than one phenolic group initially is formed. The fiberglass can be provided in various configurations when bound by the binding composition of the present invention, and preferably is in the form of a non-woven. In a particularly preferred embodiment, the final product is a mat or building insulation.