Industry News

Nordson summit processes reduce adhesive consumption

Published on 2003-05-05. Author : SpecialChem


The Summit II lamination and elastic-attachment processes developed by Nordson Corp. provide control of hot melt adhesive fiber deposition with low add-on rates on nonwoven disposable products. These processes enhance bond strength in backsheet lamination and core stabilization.

The procedure is to produce a crossing pattern using four radially tangential air jets in order to oscillate single adhesive fibers resulting in increased bond strength. Besides this, controlled adhesive fiber size, density and pattern width improve uniformity in the cross-web direction. These processes employ a non-contact dispensing technique that prevents substrate distortion, and bridges and penetrates irregular surfaces for better bond performance.

Fiber sizes can range from 50 to 100 microns so as to produce low-density large fiber patterns, open patterns, or high dense fine-fiber patterns.

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