Chemistry Reference
In-Depth Information
Table 5.2. Selected copolyamides for high-strength high-modulus fibers form
1,4-phenylenediamine, terephthaloyl chloride and a third monomer.
M
∗
No The third
Mol-%
η
inh
(dL/g)
T
/
E
/
Ref.
monomer (III)
of (III)
1
Cl-CO-CH=CH-CO-Cl
20
4.3
24/5.7/680
Blades, 1973
2
Chloroterephthaloyl
5.0
5.5
23/4.2/580
ibid.
chloride
3
t-Hexahydroterephthaloyl
25
4.3
22/4.5/ 540
ibid.
chloride
44
,
4
-Diaminodiphenyl
5.0
4.3
24/6.2/520
ibid.
ether
54
,
4
-Dichloroformylbiphenyl 10
6.5
26/6.4/620
ibid.
6
1,2-Di-
p
-
10
3.2
22/3.6/730
ibid.
chloroformylphenylethane
7
4-Aminobenzoic acid
25
5.4
32/5.4/800
ibid.
4
-Diaminodiphenyl
83
,
20
2.0
22/4.5/590
Ozawa
ether
et al
., 1978
9
ibid.
30
2.5
25/4.6/620
ibid.
10
ibid.
40
2.6
26/4.5/640
ibid.
11
ibid.
50
2.8
27/5.0/620
ibid.
12
ibid.
60
2.5
25/4.7/616
ibid.
13
ibid.
70
2.6
23/5.2/585
ibid.
14
5-Amino-2-(
p
-aminophenyl)- 35
6.1
A: 20/8/700
Nakagawa
benzoxazole
H: 29/3/1,050
et al
., 1977
15
5-Amino-2-(
p
-aminophenyl)
50
6.4
A: 17/9.1/680
ibid.
benzo-thiazole
H: 21/3.5/980
(spin dope: 12% in H
2
SO
4
)
16
5-Amino-2-(
p
-aminophenyl)
ibid.
ibid.
A: 21/8.5/720
ibid.
benzo-thiazole
H: 30/2.5/1,150
(spin dope: 16% in H
2
SO
4
)
4
-Diamino-5
5
-dimethyl- 10
17
4
,
,
4.9
A: 23/5.5/460
Kaneda
,
2
-bi-phenylsolfone;
2
H: 31/3.3/875
et al
., 1983
dope: 20% in H
2
SO
4
18
ibid.
20
5.7
A: 24/5.3/490
ibid.
H: 36/3.7/807
19
4
,
4
-Diamino-
10
5.0
A: 22/5.2/481
Kaneda
2
,
2
-bi-phenylsolfone
H: 30/2.8/1,018
et al
., 1981
Spin dope: 20% in H
2
SO
4
20
ibid.;
20
6.1
A: 26/4.9/525
ibid.
Spin dope: 22% in H
2
SO
4
H: 37/3.9/971
∗
Fiber property:
T
—tenacity in gpd;
E
—elongation in %;
M
—modulus in gpd; A—as
spun; H—heat treated.
