Biomedical Engineering Reference
In-Depth Information
TABLE 4.7
Results of LiOH PAN Activated in 0.1
N
HCl
After immersion
in HCl (in.)
After acting
as an anode (in.)
After acting
as a cathode (in.)
Initial length (in.)
Trial 1
1
1/2
3/8
1/4
Trial 2
1
2/5
3/8
7/16
Trial 3
1
1/2
7/16
13/32
Trial 4
1
4/5
11/16
1/2
Trial 5
1
4/5
3/4
5/8
LiOH PAN (in HCl)
11/5
1
4/5
3/5
Trial 1
Trial 2
Trial 3
Trial 4
Trial 5
2/5
1/5
0
Initial
length (in.)
After
immersion
in HCl (in.)
After acting as
an anode (in.)
After acting as
a cathode (in.)
FIGURE 4.40
Results of LiOH PAN activated in 0.1
N
HCl.
TABLE 4.8
Previous Results of LiOH PAN Activated in 0.1
N
NaCl
Initial
length (in.)
Initial
expansion (in.)
After being
anode (in.)
After being
cathode (in.)
Trial 1
1.000
1.200
0.938
1.188
Trial 2
1.000
1.380
0.938
1.188
Trial 3
1.000
1.100
0.875
1.063
Trial 4
1.000
1.200
0.750
0.875
4.44 shows a PAN film after cross-linkage. Although it shows somewhat irregular
shapes (due to bubble formation during solvent evaporation), it is anticipated that
such a PAN will be smooth-film shaped after activation. This effort was undertaken.
