Document rp8rKr6Vw6kqGG9L4eJwQxmnV
E. I. DU PONT DE NEMOURS & COMPANY
PIGMENTS DEPARTMENT 256 VANDERPOOL STREET NEWARK, NEW JERSEY
Serial No. KN-46~37
Copy No. 1
YT < r-x ^
LiPi^AlYi C'UP
N
NEWARK PLANT PIGMENT COLOR RESEARCH REPORT
BENZIDINE TYPE YELLOW (DCB"*2AA0T) SEMI-WORKS TRIAL OF K-21?4.
Period Covered: October 1945.
FILE: DATE: 7/H/46
/CH* V * - $ 7
NJ3S99
___.... ....._... ............. .......... .................... ............. .............. ...... .
N40006
Serial He* KH-46-37 Copy He* l
Copy tot
#1 - Nuawrioal File
2 - Bmmt A Office (221*4)
3 Literary File
(221*4)
4 * #10 Beildiag File
5
-
Imperial
Chendeal
ladamatriea,
Ltd*
it is
8 W* F* Speagenaa
NEWARK FLKMT
PXSHERT COLOR RESEARCH REPORT
Progreoe Report
Titles Beasidiae Type Telle* (BOB - 2AA0T) a Seai-Verke Triel ef K-2194.
Period Oevereds October* 1945*
s o mt e s d by * y. o. Taber
Oils SOBWTTBD* 3/7/46 OATS XS812SD t 7/11/46
N40006.01
DUP050150474
-1.
gramma
K-2194, ft benxLdine typ yellow prepared from dichler bengldine coupled with aeoto aoetorthotoluidldef was developed la the Organic Laboratory ae a counter offering to oospetitivo pigments of the same dui| aueh as Harmon* B-2 and Imperial's Sumatra TAIm H940
Tbs SUB * MOf piganats are superior to the YT-553-B typo in light-* fastness but are msre expensive*
This report severe initial sosd-works trials of K-2194*
smmx w w
One 30p<wffld bateh of K-2194 see aada in the sami-works* Bert was dried at 140r, (let 8448) and part at 120T. (let 8449)* Both lets 8468 and 8469 were equal ia strength to K-2194, while 10j( weaker than Harmon'* YB-2. In ink properties 8468 and 8469 were slightly heavier ia body than K-2194 sad
inctly heavier than Bavaea'a TB-2* Primarily because of the strength deficiency. are not eeasidered satiefaetery counterparts for the Harmon eolor, and develop ment work has been dieeontinaed ponding additional laboratory etudy.
ummmAh mm&
Lot 8468 and Let 8469 were dual in tiaeteodal and ink properties by both reboot and ink toots* This indieates -teat K-2194 is net as eeasitive to heat as tee orthodox bensidlne yellow*
Further details are reeerded ia DSM 45-1 and the Ink Laboratory Memor andum Repert*
DSM 45-1 Ink Laboratory Memorandum, Jan* 7, 1946, KN-45-43 fiaal Roporti Mew Baasidiae Type Yellows*
DUP050150475