Figure 6.6
 
   
Intensity (arb. unit)
NOC
NOC
50% EDA
Heating
in water
5
10
15
20
25
30
35 5
10
15
20
25
30
35
(a)
(b)
(c)
(d)
(a)
(b)
(c)
(d)
50% EDA
Heating in water
7% NaOH
7% NaOH
5
10
15
20
25
30
35 5
10
15
20
25
30
35
2θ/deg
2θ/deg
 
123
Nematic Ordered Cellulose Templates
Figure 6.6
WAXD.images.(showing.transparent.films.inserted).and.profiles.recorded.on.the.imaging.plate.
for.NOC.film.and.transformed.NOC.films:.(a).NOC,.(b).NOC.treated.with.7%.NaOH,.(c) NOC.
treated.with.50%.ethylenediamine.(EDA),.and.(d).NOC.heated.in.water.at.180°C.for.3.h.
room.temperature.(Isogai.and.Atalla.1991)..Interestingly,.the.noncrystalline.
character.based.on.the.specific.chain.orientation.of.NOC.was.retained.after.
the.treatment.in.water,.even.at.50°C.for.long.periods.
tate.transformation.into.polymorphs..Figure 6.6.shows.the.X-ray.fiber.diagrams.and.photographs.of.cellulose.polymorphs.prepared.from.NOC.films,.
together.with.the.respective.equatorial.WAXD.profiles.of.the.X-ray.photographs..Figure 6.6a.shows.the.initial.NOC.structure.as.the.starting.material.
prior.to.the.crystallization.process..Each.crystallized.structure.transformed.
from. NOC. (Figures  6.6b–6.6d). had. an. orientation. of. crystallites. along. the.