TT 505 NAGARAJAN THOPPEY MUTHURAMAN （TT 505纳THOPPEY MUTHURAMAN）.pdf

TT 505 NAGARAJAN THOPPEY MUTHURAMAN NTHOPPE@NCSU.EDU Agenda Introduction Principles MethodsMethods Comparison of Methods Applications NONWOVEN FINISHING Mechanical Finishing Chemical Finishing •Compacting Creeping •Washing •Shrinking •Functional Finishing •Perforating •Dyeing ••Glazing and EmbossingGlazing and Embossing ••Printing Printing •Slitting •Coating Laminating •Splitting •Laminating •Shearing •Stiffening •Quilting •Flocking •Singeing •Sewing LAMINATION What ? “Lamination is a process of permanently joining two or more prefabricated sheet materials”. Why? “To combine the performance features of two or more different materials”. - Barrier properties, Surface and Mechanical properties. How? - 1 “Using the adhesive property of anyone or both of the materials. If none of them inhibits adhesive property, an adhesive resin is introduced” How? - 2 Methods * Wet Lamination * Dry Lamination* Dry Lamination Lamination Principle Process that... 1. Apply and Meter 2. Meter and Apply 3. Saturate and Remove. Apply and Meter: The material is applied with adhesive (unmeasured) and then squeezed to predetermined thickness. Advantages: 1. Easy Change over1. Easy Change over