Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100...

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Adhesion Science Polymer Physical Principles by Tom Ward

Transcript of Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100...

Page 1: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

Adhesion Science

Polymer Physical Principlesby

Tom Ward

Page 2: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

Analysis of Transitions, Reactions and Structure in Polymers

• Scattering techniques• Mechanical tests• Differential Scanning

calorimetry

Page 3: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

Transitions in Polymers

T T

V

H

α

CP

Page 4: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

DSC Instrument Schematic

Page 5: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

DSC ‘s of Common Polymers

Page 6: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

Multiple DSC Scans of Teflon

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DSC First Scan-Quenched PET

Page 8: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

Window for Crystallization

Page 9: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

PET Blown Bottle - Hoop Sample

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PET Blown Bottle-Neck Sample

Page 11: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

PE Blend Analysis via DSC

Page 12: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

PSF Toughened Epoxy-Microwave vs Thermal Cure

Page 13: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

Phase Sepn. in Epoxy-PSF Networks

Page 14: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

Isothermal Crystallization Studies on PE

Page 15: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

Window for Crystallization

Page 16: Polymer Physical Principles by Tom Warddillard/esm5654/Lecture Material/TCW6.pdfO -noc .590c -100 orc 1280C Polyethylono 0 0 mot ono 05 oc Poly(vlnyl chtotldo) Polyatyrono aec -50

DSC Cure of Epoxy

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Isochronal,Variable T Epoxie’s DSC Scans

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Epoxy Bond Strengths for Two Cure Routes

C.L. Brett,Adhesion 3,K.W. Allen,ed. Applied Sci Pubs

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Epoxy Bond Strength Correlations