Hot-melt adhesive HDPE and CoPA polymer powders were short-time plasma surface modified (0.1s) to im-prove wettability and adhesive bonding strength of polymer glued textile laminates and aluminum plates simul-taneously. Peel strength of polymer glued textile laminates increased up to 25% for CoPA powder. Aluminum adhesive bonding strength increased up to 85% for HDPE after plasma exposure. Increased interfacial bonding is attributed to stronger chemical bonds of plasma formed polar groups on the powder and cross-linking.
Short-time plasma surface modification of HDPE powder in a plasma downer reactor - Process, wettability improvement and ageing effects
ROSSI, ANTONELLA;
2005-01-01
Abstract
Hot-melt adhesive HDPE and CoPA polymer powders were short-time plasma surface modified (0.1s) to im-prove wettability and adhesive bonding strength of polymer glued textile laminates and aluminum plates simul-taneously. Peel strength of polymer glued textile laminates increased up to 25% for CoPA powder. Aluminum adhesive bonding strength increased up to 85% for HDPE after plasma exposure. Increased interfacial bonding is attributed to stronger chemical bonds of plasma formed polar groups on the powder and cross-linking.
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