Characterization of the power relationship in laser bonding of linear low density polyethylene film to polypropylene using a commercial adhesive

Dowding, C. F. and Lawrence, J. (2013) Characterization of the power relationship in laser bonding of linear low density polyethylene film to polypropylene using a commercial adhesive. In: Proceedings of the 37th International MATADOR 2012 Conference. Proceedings of the 37th International MATADOR 2012 Conference . UNSPECIFIED, GBR, pp. 445-448. ISBN 9781447144793

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Abstract

This work investigates the effectiveness of using a 10.6 μm CO 2 marking laser to activate a thermally sensitive adhesive in the bonding of a thin linear low density polyethylene film to a polypropylene substrate. The potential technical hurdle of bubbling has been witnessed and described, this prevented contact between the two and a viable bond. The Gaussian profile of the laser used caused the centre of the bond to be over irradiated whilst the edge was under-irradiated; this, limited the real area on which an effective bond was achieved. A bond strength of approximately 2.2 N/mm2 was achieved using the laser activated adhesive bonding technique described. There was little bond strength dependency upon laser irradiance once above a threshold level. An average peel force of 1.09 N was measured and the work demonstrated this technique is highly consistency.

Item Type: Book Section
Uncontrolled Keywords: co,laser marker,peel,thermal bonding,mechanics of materials ,/dk/atira/pure/subjectarea/asjc/2200/2211
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Depositing User: LivePure Connector
Date Deposited: 18 Aug 2022 13:30
Last Modified: 25 Sep 2022 00:07
URI: https://ueaeprints.uea.ac.uk/id/eprint/87446
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