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Advances in Polymer Science and Engineering: Proceedings of by A. Peterlin (auth.), K. D. Pae, D. R. Morrow, Yu Chen (eds.)

By A. Peterlin (auth.), K. D. Pae, D. R. Morrow, Yu Chen (eds.)

The court cases and the Symposium on Polymer technology and Engineering, to be hung on October 26 and 27, 1972 at Rutgers collage, are in honor of Professor John A. Sauer. October 26, 1972 marks the sixtieth birthday of Professor Sauer and we believe it's fairly applicable to make notice of this occasion. all the contrib­ uting authors have eagerly submitted their unique works as an expression in their esteem and affection for this committed guy, buddy, husband, father, scientist and instructor. This booklet might have been made super voluminous and the Symposium can have long past on for days. despite the fact that, the achievements of a guy similar to Jack Sauer should not have to be measured by way of the variety of pages in a booklet nor the variety of audio system at a gathering. A extra significant degree is the sincerity and devotion with which those few pages have been assembled. the entire contributions to those court cases are from invited audio system. Numbered one of the contrib­ utors are a few of Jack's ~ own neighbors in addition to various former scholars who're presently operating within the box of polymer technology and engineering. it is going to be obvious to all who comprehend him that these incorporated symbolize yet a small component of Jack's neighbors and scholars. even though a pretty exhaustive seek was once made earlier than the invites have been despatched the variety of omissions is either tremendous huge and unavoidable.

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Extra info for Advances in Polymer Science and Engineering: Proceedings of the Symposium on Polymer Science and Engineering held at Rutgers University, October 26–27, 1972

Sample text

Annealing experiments were made to attempt to increase the extent of order present in these polymers. The results are shown in Table I and figures (I), and (II). The conditions of measurement with the diffractometer and the disposition of the sample were maintained as constant as possible during the measurements, so that comparisons would be legitimate. In Table I the peak heights are shown following each annealing treatment for purposes of comparison. Annealing of PPBA for six hours at 245°C more than doubled the peak.

The results of the x-ray diffraction study show that PPBA and PPCPA possess a high degree of order, yet are not crystalline in the conventional sense. Since these polymers are atactic it was at first supposed that the order must be a two-dimensional lateral packing with longitudinal disorder. The molecule cannot however possess a cylindrical rod-like configuration and pack in the same way as poly-N-vinyl carbazole and other reported examples since calculation of the density shows that this would be too loose a structure.

5). A. PETERLIN 18 References 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. N. Brown, Bull. Amer. Phys. Soc. 16, 428 (1971). R. N. Haward and J. R. MacCa11um,:Po1ymer 12, 189 (1971). R. S. Stein, Polymer Eng. Sci. 9, 172, 320~1969). P. Predecki and A. W. Thornton,-J. App1. Phys. 41, 4342 (1970). S. L. Aggarwa11 and O. J. Sweeting, Chem. -S7, 665 (1956). F. J. Balta-Calleja and A. Peter1in, J. -Sci. B4, 519 (1970). -P.

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