THE ROLE OF THE
THE ROLE OF THE
THE ROLE OF THE
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Traditional Role of the Chemist in the Automobile Plant Environment 19<br />
table 2.4<br />
Property table of salts of ricinoleic acid oligomer cutting Fluids<br />
r or esters of<br />
Polymer (X)<br />
(X-ocor) pH<br />
rust Inhibition test<br />
duration (h) a<br />
24 48 72<br />
Friction<br />
coefficient<br />
surface<br />
tension<br />
10 –3<br />
(n/m)<br />
Initial<br />
seizure<br />
load<br />
(mPa)<br />
dimer-o-cor<br />
C 9H 19 9.0 10 10 10 0.09 41 1.91<br />
C 11H 23 9.1 10 10 10 0.08 41 1.76<br />
C 17H 33 9.4 10 10 10 0.08 41 1.96<br />
trimer-o-cor<br />
C 9H 19 9.0 10 10 10 0.09 41 1.96<br />
C 11H 23 8.9 10 10 10 0.08 42 1.96<br />
C 17H 33 9.3 10 10 10 0.08 43 1.76<br />
tetramer-o-cor<br />
C 9H 19 9.0 10 10 10 0.09 43 1.96<br />
C 11H 23 9.1 10 10 10 0.08 44 1.96<br />
C 17H 33 9.6 10 10 10 0.08 41 1.96<br />
Hexamer-o-cor<br />
C9H19 9.4 10 10 9 0.09 44 1.96<br />
C11H23 9.3 10 10 10 0.08 45 1.96<br />
C17H33 9.3 10 10 10 0.08 37 1.96<br />
Ricinoleic acid 8.8 10 9 8 0.12 43 1.81<br />
Ricinoleic acid<br />
dimer<br />
9.1 10 9 8 0.1 41 1.86<br />
Ricinoleic acid<br />
trimer<br />
9.7 9 9 7 0.09 37 1.67<br />
Ricinoleic acid<br />
tetramer<br />
9.8 9 9 7 0.09 36 1.81<br />
Ricinoleic acid<br />
hexamer<br />
10.0 9 9 7 0.09 43 1.91<br />
Triethanolamine<br />
(2% aqueous<br />
solution)<br />
10.1 7 6 5 0.21 70 0.83<br />
a Evaluation of rust inhibition test:<br />
amount of rust<br />
valuation<br />
Point<br />
No appearance of rust 10<br />
One point of rust 9<br />
Two points of rust 8<br />
Some points of rust 7<br />
Many points of rust 6<br />
Many points of rust and stains 5<br />
Source: Watanabe, S. J. Oleo Sci., 56, 385, 2007. With permission.
Change language