American Chemical Society
DYNAMIC PROPERTIES
...............................
MEASUREMENT OF DYNAMIC PROPERTIES Robert S. Marvin TEMPERATURE DEPENDENCE OF DYNAMIC PROPERTIES J. D. Ferry, E. R. Fitzgerald. L. D. Grandine, Jr., a n d M. L. Williams CORRELATION OF DYNAMIC AND STATIC MEASUREMENTS R.D.Andrews ULTRASONIC STUDIES O F POLYMETHYL METHACRYLATE J. L. Melchor a n d A. A. Petrauskas. VIBRATION CHARACTERISTICS OF TREAD STOCKS K.E. Gui, C. 8. Wilkinson. Jr., and 8. D. G e h m a n
.....
696 103
............................... . . . . . . . . . . . . . . . . . . . . . .118
107
. . . . . . . . . . . . . . . ?a0
SYNTHETIC RUBBER
. . . . . . . . . . . . . . . . . . 124 ................................ . . . . . . . . . . . . . 139 . . . . . . . . . . . . . . . . . . . . . . . 142
IMPORTANT POLYMERIZATION PRACTICES R. L. Bebb, E. L, Carr. a n d L. B. Wakefield RELATIONSHIP O F MOLECULAR WEIGHT AND PHYSICAL PROPERTIES S.D. G e h m a n . POLYMERIZATION RATES IN EMULSION SYSTEMS Maurice Morton, P. P. Salatiello, and Harold Landfield EFFECTS O F POLYMERIZATION TEMPERATURE AND MOLECULAR WEIGHT J. R. B e a t t y a n d B. M. G. Zwicker VISCOSITY-MOLECULAR WEIGHT RELATION FOR POLYBUTADIENE B. L. Johnson a n d R. D. Wolfangel
......................
730
752
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158 . . . . . . . . 162 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 ............................... 114
RECENT PROGRESS IN LATEX TECHNOLOGY E.A.Murphy SYNTHETIC RUBBER LATEX DEVELOPMENTS1 L. H. Howland, V. C. Neklutin. R. W. Brown, a n d H. G. Werner‘ FILM FROM MIXTURES OF NATURAL AND SYNTHETIC LATEX R. M. Pieraon, R. J. Coleman, T. H. Rogers, Jr.. D. W. Peabody. a n d J.D.D’Ianni. LATICES O F FLEXIBLE SYNTHETIC POLYMERS B.M.G.Zwicker WATER VAPOR PERMEABILITY AND SORPTION O F HEVEA FILMS William W. Bowler OR-S LATICES IN FOAM RUBBER LeonTalalayandAnselmTalalay
..............................
.......................
181
791
1 Presented
before International Congresa of Pure and Applied Chemistry. New York. September 1951.
COMPOUNDING THE COMPOUNDER IN THE RUBBER INDUSTRY B.S. Garvey, Jr. BREAKAGE O F CARBON-RUBBER NETWORKS BY APPLIED STRESS A. F. Blanchard a n d D. Parkinson CARBON BLACK DISPERSION AND REINFORCEMENT E.M.Dannenberg. PROPERTIES O F BUTYL RUBBER-CARBON BLACK SYSTEMS F. P. Ford a n d A. M. Oessler WEAR RESISTANCE O F VULCANIZED ELASTOMERS J. C. Burns a n d E. B. S t o r e y . WLCANIZATION OF NEOPRENE TYPE W F. H.Fritz a n d L. R. Mayo
...............................
198
. . . . . . . . . . . . . . . . . . . . . . . 189 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 813 ......................... ......................... ..........................
819 828
831
OZONE CRACKING2 CRACKING O F RUBBER AND OR-S IN OZONE G. R. Cuthbertson a n d D . D. D u n n o m OZONE AND SUNLIGHT AGING STUDIES ON WLCANIZATES George E. Popp a n d L y n n H a r b i s o n STATIC EXPOSURE TESTING OF AUTOMOTIVE COMPOUNDS H.A.Winkelmann OZONE RESISTANCE OF NEOPRENE VULCANIZATES D. C. Thompson, R. H. Baker. a n d R. W. Brownlow OZONE IN LOS ANGELES AND SURROUNDING AREAS A. W. Bartel a n d J. W. Temple
. . . . . . . . . . . . . . . . . . . . . 834
......................
..............................
..............
837
841 890
. . . . . . . . . . . . . . . . . . . . . . . . 851
a
The paper “Ozone Crack Depth Analysis for Rubber,” by J o h n 8. Rugp will be published
in t h e May issue of Analytical Chemistry.
