INDUSTRIAL AND ENGINEERING CHEMISTRY
480
LITERATURE CITED
(1) Am. Soc- Testing Ilaterials, Philadelphia, Pa.. Designation D 543-52T. (2) Ibid., D 638-52T. (3) I b i d . , D 648-45T. (4) I b i d . , D 747-50. (5) Ibid.,D 790-49T. (6) Ibid., D 882-49T. (7) Aiken, W., illfrey, T., Jr., Jaiissen, A , and LIark, I f . , J . P o l y m e r Sci., 2,178 (1947). (8) Alfrey, T., Jr., Wiederhorn, S . ,Stein, R., and Tobolsky, d.V., J . Colloid Sei., 4,224 (1949). (9) Bekkedahl, S.,J . Reseaich Natl. B u r . Standards, 43, 145 (1949). (10) Bischoff, J., Catsiff, E., and Tobolsky, A. V.,J . A m . Chem. Soc., 74,3378 (1952). (11) Boyer, R. F., and Spencer, R. S.,J . P o l y n w Sei., 2, 157 (1947). (12) Clash, R. F., Jr., and Berg. R. bl., M o d e m Plastics, 21, KO.11, 119 (1944). (13) Craig, L. E., Davis, R. W., Kleinschmidt, R.F., Miller, E. S., Montross, C. F., Wilkinson, J. M., Jr., and Port, W. S., paper SOCIETY, presented at 125th Meeting, AMERICANCHEMIC-LL Kansas City, hlo., 1954. (14) Davies, J. AT., Miller, R. F., and Busse, W. F., J . Am. Chem. Soc., 63,361 (1941). (15) Dienes, G. J., and Klemm, H. F., J . AppZ. P h y s . , 17, 458 (1946). (16) Doolittle, A . I
