Fundamentals of Polymer Engineering Part 1 pdf
Fundamentals of Polymer Engineering Part 1 pdf
... Inc.
4.2AnalysisofSemibatchReactors156
4.3MWDofARBPolymerizationinHomogeneous
Continuous-FlowStirred-TankReactors166
4.4AdvancedStageofPolymerization169
4.5Conclusion174
Appendix4 .1: SimilaritySolutionofStep-Growth
PolymerizationinFilmswithFiniteMassTransfer175
References1 81
Problems1 81
5.Chain-GrowthPolymerization188
5.1Introduction188
5.2RadicalPolymerization192
5.3KineticModelofRadica...
Fundamentals of Polymer Engineering Part 2 pdf
... weight of a species of degree of polymerization n
such that
W
t
¼ Total weight of polymer
¼
P
1
n 1
W
n
*
1: 4:2Þ
By definition, the weight-average molecular weight, M
w
, is given by
M
w
¼
P
1
n 1
W
n
*M
n
W
t
1: 4:3Þ
where ... moles of a polymer of chain length
equal to n in a given sample, one can write
N
t
n
¼
W
n
*
M
n
1: 4:6Þ
The total number of moles of pol...
Fundamentals of Polymer Engineering Part 3 ppsx
... J., 21, 17 5 17 9, 19 89.
13 . Fabris, H. J., Synthetic Polymeric Adhesives, in Comprehensive Polymer Science, G.
Allen and J. C. Bevington (eds.), Pergamon, London, 19 89, Vol. 7, pp. 13 1 17 8.
14 . ... acetate copolymer (EVA). Vinyl acetate is about 10 15
surface gloss, and melt adhesive properties of EVA.
Ethylene–acrylic acid copolymer. Acrylic acid content varies between 1...
Fundamentals of Polymer Engineering Part 4 docx
... 6 polymerization in batch reactors:
dl
0
dt
¼k
2
l
2
0
þ k
0
2
Wðl
1
l
0
Þþk
1
C
1
W k
0
1
P
1
dl
1
dt
¼ k
1
WC
1
k
0
1
P
1
þ k
3
l
0
C
1
k
0
3
ðl
0
P
1
Þ
dl
1
dt
¼ k
1
WC
1
k
0
1
P
1
þ ... reaction of CD can be written as
follows:
A
2
A
1
þ CDR
1
!
R
1
k
1
A
2
A
1
CD
A
1
A
2
þ CDR
1
k
2
!
R
1
k
2
*
A
1
A
2
CD
A
1
*...
Fundamentals of Polymer Engineering Part 5 ppsx
... 4g
1
g
3
Þ
0:5
2g
1
ð4:2:20bÞ
A
1
¼
b
0
d
1
d
2
g
1
ð4:2:20cÞ
A
2
¼
b
0
þ b
1
d
1
b
2
d
2
1
d
1
g
1
ðd
1
d
2
Þ
ð4:2:20dÞ
A
3
¼
b
0
þ b
1
d
2
b
2
d
2
2
g
1
d
2
ðd
1
d
2
Þ
ð4:2:20eÞ
g
1
¼ ... b
i
Þ 1 a
1
Þa
w
=a
5
b
n1
¼ 2½b b
i
1 a
1
Þa
w
=a
5
c
n1
¼ 2c=a
5
a
d1
¼ a
w
1 þba
w
Þ
b
d1
¼ 1 þba
w
Þw
e
þ ba
2
w
c
d1
¼ ba
w
w
e
ðA4Þ
f
1
ðl
00
Þ...
Fundamentals of Polymer Engineering Part 8 pot
... help of Eqs. (7.6 .12 a)
and (7.6 .12 b), the following are obtained:
1
V
p
dðV
p
l
M1
Þ
dt
¼ k
p
1 À xÞ½M
p0
l
p0
ð7:6 :13 aÞ
1
V
p
dðV
p
l
M2
Þ
dt
¼ 2fk
p
1 À xÞ½M
p0
þ k
p
*l
M1
gl
p1
ð7:6 :13 bÞ
We ... be 38:55 Â 10
11
mL=ghr, K
p
t
is
4:28 Â 10
11
mL=g hr, and K
t
is 29:98 Â 10
11
mL=ghr.
5. The absorption rate constants K
11
, K
12
, K
33
, and K
34
for homopoly...
Fundamentals of Polymer Engineering Part 9 doc
... Wt%
2.800 0.0 4. 014 15 .2 5.065 90.7
2.865 0.005 4.070 18 .1 5 .11 3 92.2
2.929 0.020 4 .12 6 21. 5 5 .16 1 93.7
2.992 0.052 4 .18 2 25.2 5.209 94.8
3.056 0 .10 5 4.237 29.3 5.256 95.8
3 .11 9 0 .18 5 4.292 33.7 ... 8.02
53.0 2 .19 3.82 6.37 7. 41
66.4 1. 74 3 .12 5.58 6.88
90.0 1. 22 2.25 4.42 5.95
11 3.6 0.952 1. 80 3.73 5.35
14 3 .1 0.763 1. 48 3 .15 4.79
Source: Ref. 18 .
Mea...
Fundamentals of Polymer Engineering Part 10 docx
... (9.3.23) with respect to n
1
and n
2
, in turn, gives the following:
m
1
¼
@G
mixture
@n
1
¼ g
1
þ RT ln f
1
þ
n
1
f
1
@f
1
@n
1
þ
n
2
f
2
@f
2
@n
1
þ w
1
f
2
þ w
1
n
1
@f
2
@n
1
ð9:3:24Þ
m
2
¼
@G
mixture
@n
2
¼ ... À f Þð9:3 :1
where the symbol
Q
denotes product. As a consequence,
O
j 1
¼ðn
0
À jmÞzðz 1
mÀ2
1 À f Þ
m 1
ffiðn
0
À jmÞðz 1
m 1
1 À f Þ
m 1...
Fundamentals of Polymer Engineering Part 11 ppt
... 411
Copyright © 2003 Marcel Dekker, Inc.
whereDtequalst
0
Àt.UsingEq. (10 .6.8),then,
F
ij
¼
1
_
ggDt0
010
0 01
0
@
1
A
andwiththehelpofEq. (10 .6 .16 )or (10 .6 .17 ),
C
ij
¼
10 0
_
ggDt10
0 01
0
@
1
A
1
_
ggDt0
010
0 01
0
@
1
A
¼
1
_
ggDt0
_
ggDt1þð
_
ggDtÞ
2
0
0 01
0
@
1
A
Thus,itisclearthatstrainhastakenplace.
10 .7THESTRESSCONSTITUTIVEEQUATION
Letusrevisitthestre...
Fundamentals of Polymer Engineering Part 12 pptx
... Kinetics of Oriented Polymers,
Polym. Eng. Sci., 29, 11 47 11 56, 19 89.
47. Wissbrun, K. F., Rheology of Rod-Like Polymers in the Liquid Crystalline State,
J. Rheol., 25, 619 –662, 19 81.
48. Jackson, ... crystals is 14 0 J=g.
11 .13 . Wide-angle x-ray scattering data for a semicrystalline PET fiber sample
are as follows [ 61] :
f (deg) IðfÞ
0 19 .6
10 20.6
20 18 .1
30 15 .0
40...