Transcription of Adhesion - Considerations, Testing and Interpretation
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3M Renewable Energy DivisionNREL PV Module Reliability Workshop (Feb 24, 2015) Adhesion - considerations , Testing and Interpretation Presenter Scott R. Meyer: Senior Specialist-Product and Application Development Engineer; 3M headquarters in St. Paul, MN, USA; Chemical Engineer degree from Iowa State University, 1985; 28 years at 3M Company in various divisions; experience with PSA tapes, epoxies, urethanes and fluoroelastomers; ~20 years of Experience with Adhesives; 6 years of tapes and adhesives experience related to the solar industry. 3M 2013. All rights reserved. 7 March Topics: 1.
crosslink density T g T m Glass transition Crystal melting point Adhesive and Substrate Properties • Stiffness is impacted by Temperature • PET (oriented) 260’C Stiffness is also impacted by Rate (Speed) Tg examples: Silicones < -100’C Acrylic PSA -40’C to 0’C PET (oriented) 70’C to 90’C
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