Novel Nonwoven Binding Agents, 1993 Nonwovens Conference Proceedings
Robert M. Blanch, Gergory Borsinger
Novel thermoplastic polymeric binding agents for nonwoven substrates and composite materials are reviewed. These materials are ethylene-derived low molecular weight water dispersed polymers.
Commercially used binders frequently contain or may generate formaldehyde during processing. Emulsion binders also may contain nonionic ethoxylated surfactants, a source of 1,4 dioxanes.
These novel polymer binder dispersions do not contain formaldehyde or 1,4 dioxane.
Several thermoplastic polymers are compared to classical nonwoven binders using standard concentrations and curing conditions, Comparisons of strength, integrity, and the location of binders within nonwoven fabrics are discussed.