Grafted copolymerisation modification of hemicellulose directly in the alkaline peroxide
mechanical pulping (APMP) effluent and its surface sizing effects on corrugated paper
Liying Dong*, Huiren Hu, Shuo Yang, Fei Cheng
*Corresponding author: Liying Dong, Tianjin Key Laboratory of Pulp and Paper, Tianjin University of
Science and Technology, No.29, The 13th Avenue, Tianjin Economic and Technological Development
Area, 300457, Tianjin, P.R. China
Tel: +86 18631613698
Email: [email protected]
Fig. S1 The effect of the total active ingredient concentration on C, GE and G.
Fig. S2 The effect of temperature on C, GE and G.
Fig. S3 The effect of the amount of initiator on C, GE and G.
Fig. S4 The effect of the H2O2/FeSO4 molar ratio on C, GE and G.
Fig. S5 The effect of the DMC/AM molar ratio on C, GE and G.
Fig. S6 The effect of the total active ingredient concentration on the viscosity.
Fig. S7 The effect of temperature on viscosity.
Fig. S8 The effect of the amount of initiator on the viscosity.
Fig. S9 The effect of the H2O2/FeSO4 molar ratio on the viscosity.
Fig. S10 The effect of the DMC/AM molar ratio on the viscosity.
Fig. S11 The effect of the DMC/AM molar ratio on the charge density of the graft copolymer.
Table S1 Main compositions and relative amount of MTBE extractives
S1
Table S2 Main compositions and relative amount of Lipophilic extractives
Table S3 Molecular weight and molecular weight distribution of hemicellulose
The graft copolymer C,GE and G(%)
Table S4 Molecular weight and molecular weight distribution of the graft copolymer
G
GE
C
250
200
150
100
50
0
27
38
33
29
31
Total active ingredient concentration （ %）
Fig. S1
G
GE
C
The graft copolymers G,GE and C(%)
300
250
200
150
100
50
0
40
50
C
30
60
70
Temperature（ ° ）
Fig. S2
S2
The graft copolymers G,GE and C(%)
G
GE
C
300
250
200
150
100
50
0
0.2
0.3
0.4
0.5
the amount of initiator（ %）
The graft copolymers G,GE,and C（ %）
Fig. S3
G
GE
C
300
250
200
150
100
50
0
10:30
10:15
10:10
10:6
10:2
The molar ratio of H2O2/FeSO4
Fig. S4
S3
G
GE
C
The graft copolymers G,GE,C(%)
300
250
200
150
100
50
0
1:20
1.5:20
2:20
2.5:20
3:20
The molar ratio of DMC/AM
Fig. S5
Fig S6
S4
the graft copolymers
8% concentration
55
4000
50
3500
3000
45
2500
40
2000
35
1500
1000
30
Viscosity （ 8% concentration） cp
Viscosity（ the graft copolymers） cp
4500
500
30
40
50
60
70
Temperature（ ℃)
Fig. S7
the graft copolymers
8% concentration
4500
49
4400
48
4350
47
4300
46
4250
45
4200
44
4150
43
Viscosity（ 8% concentration) cp
Viscosity（ the graft copolymers） cp
50
4450
4100
42
0.2
0.3
0.4
0.5
The amount of initiator (%)
Fig. S8
S5
the graft copolymers
8% concentration
52
50
4000
48
46
3500
44
3000
42
2500
40
2000
38
36
1500
34
1000
Viscosity（ 8% concentration） cp
Viscosity（ the graft copolymer) cp
4500
32
10:30
10:15
10:10
10:6
10:2
The molar ratio of H2O2/FeSO4
Fig. S9
the graft copolymer
8% concentration
54
52
6000
50
48
5000
46
4000
44
42
3000
40
2000
38
1:20
1.5:20
2:20
2.5:20
Viscosity（ 8% concentration） cp
Viscosity（ the graft copolymer ） cp
7000
3:20
The molar ratio of DMC/AM
Fig. S10
S6
0.010
Charge density（ mmol/g）
0.005
0.000
-0.005
-0.010
-0.015
-0.020
-0.025
-0.030
-0.035
1:20
1.5:20
2:20
2.5:20
3:20
The molar ratio of DMC/AM
Fig. S11
Table S1
Main compositions of MTBE extractives
Area(%)
Low-molecular-weight hydroxy acids
32.547
Lignans
18.019
Glycerin
3.309
Quinones
6.035
Fatty acids
15.142
Glycerides
3.467
Sterols
11.707
Table S2
Lipophilic extractives
Retention time（min）
Area(%)
9-octadecenoic acid
22.211
0.146
Hexadecanoic acid
22.754
7.025
Sitosterol
24.198
2.206
9,12-octadecadienoic acid
25.656
5.806
Stigmastanol
26.234
8.151
Myristic acid propyl ester
8.844
1.556
Dehydroabietic acid
28.946
0.185
Campesterol
31.65
1.161
Hexadecanoic acid propyl ester
31.786
0.688
Docosanoic acid
32.462
0.566
Octadecanoic aci
34.394
1.223
S7
Table S3
Molar
mass
Peak1(16.312-19.730)
Peak2(20.120-22.911)
Peak3(15.870-23.490)
1.206e+4
9.228e+2
1.383e+3
moments (g/mol)
Mn
Mp
1.024e+4
6.799e+2
6.799e+2
Mw
1.598e+4
1.286e+3
6.117e+3
Mz
2.146e+4
2.220e+3
2.055e+4
Polydispersity : Mw/Mn = 4.423 ; Mz/Mn = 14.862
Table S4
Molar mass moments (g/mol)
Peak 1 （limits 13.112 - 19.572 min）
Mn
1.914e+5
Mp
2.032e+5
Mw
2.210e+5
Mz
2.569e+5
Polydispersity ：Mw/Mn = 1.155 ； Mz/Mn = 1.343
S8