INDUSTRIAL A N D ENGINEERING CHEMISTRY
362
11:25—106. F. C. KRACEK. Phase Equilibrium Relations in t h e Binary System Potassium Disilicate-Sodium Disilicate. 11:40—107. B. P . CALDWELL. Physical Properties a n d Kinetics of Reaction of Some Isomeric Unsaturated Compounds.
Division o f Sugar Chemistry W. R. F E T Z E R , Chairman; E . W. R I C E , Secretary C H A R L E S O. W I L L I T S , Local Assistant
Blue Room, Seneca Hotel
Division o f R u b b e r C h e m i s t r y Ballroom, Powers H . L. TRUMBULL, Chairman;
Thursday Morning
Hotel
C. W. CHRISTENSEN,
Secretary-
Treasurer; A. R. KEMP, Vice Chairman and Chairman of Papers Committee L. V. COOPER, Sergeant-at-Arms;
F R E D C . THORN, Local Assistant
Thursday Afternoon 1:30— 1. J . W. M A C K A Y . Preparation a n d Testing of Latex Compounds. 1:45—Discussion. 1:55— 2.
THOMAS M I D G L E Y , J R . , A L B E R T L . H E N N E , AND
MARY W. RENOLL. The Protein from Natural Rubber and Its Amino Acid Constituents. 2:10—Discussion. 2:20— 3. F . F . LUCAS. Ultraviolet Microscopy of Hevea Rubber Latex. 2:50—Discussion. 3:00— 4. A. R. K E M P . Composition and Structure of Hevea Latex. 3:15—Discussion. 3 : 2 5 — 5.
HOWARD W. STARKWEATHER AND H E R B E R T
WALKER. Softening Agents in Neoprene. sion. 3.5Q.— 6.
HOWARD W.
W.
3:40—Discus-
STARKWEATHER AND H E R B E R T
Friday M o r n i n g E. W. BOOTH AND J. W . M A C K A Y .
A Comparison
of the Vulcanizing Characteristics of Smoked Sheets a n d Latex Rubbers. 9:15—Discussion. 9 : 2 5 — 8. J*N. DEAN. Electrical Characteristics a n d Aging Properties of Gutta-Percha a n d Balata. 9:45—Discussion. 9 : 5 5 — 9. R. I - TAYLOR AND A. R. K E M P . Sorption of Water by Rubber. 10:25—Discussion. 10:35—10. E. T. LESSIG. The Goodrich Flexometer. 11:00— Discussion. 11:15—11.
G. S. HASLAM AND C . A . KLAMAN.
The
9 : 0 0 — 1.
T-50
Test Applied to Zinc Oxide Compounds. 11:35—Discussion. 11:45— Business Meeting. 12:00— Executive Committee Meeting.
HORACE S. ISBELL.
