Chem. J. Chinese Universities ›› 2024, Vol. 45 ›› Issue (9): 20240205.doi: 10.7503/cjcu20240205
• Polymer Chemistry • Previous Articles Next Articles
ZHANG Danfeng(), GAO Chunxuan, HUANG Hailin
Received:
2024-04-22
Online:
2024-09-10
Published:
2024-06-25
Contact:
ZHANG Danfeng
E-mail:zdf93102@ecust.edu.cn
Supported by:
CLC Number:
TrendMD:
ZHANG Danfeng, GAO Chunxuan, HUANG Hailin. Coordination Copolymerization of Ethylene with Vinyl Pentamethyldisiloxane[J]. Chem. J. Chinese Universities, 2024, 45(9): 20240205.
Entry | cVPMDSO/(mol·L-1) | nCat./µmol | nAl/nNi | pC2H2/MPa | t/h | 10-5Activity/(g·molNi-1·h-1) | wSi(%) |
---|---|---|---|---|---|---|---|
1 | 0 | 5.0 | 400 | 1.0 | 1.0 | 8.39 | — |
2 | 0.5 | 5.0 | 400 | 1.0 | 1.0 | 7.78 | 0.44 |
3 | 1.0 | 5.0 | 400 | 1.0 | 1.0 | 7.30 | 0.46 |
4 | 1.5 | 5.0 | 400 | 1.0 | 1.0 | 6.80 | 0.46 |
5 | 0.5 | 3.0 | 400 | 1.0 | 1.0 | 3.65 | 0.33 |
6 | 0.5 | 10.0 | 400 | 1.0 | 1.0 | 4.32 | 0.55 |
7 | 0.5 | 5.0 | 200 | 1.0 | 1.0 | 5.38 | 0.82 |
8 | 0.5 | 5.0 | 800 | 1.0 | 1.0 | 5.10 | 0.69 |
9 | 0.5 | 5.0 | 1000 | 1.0 | 1.0 | 4.36 | 0.53 |
10 | 0.5 | 5.0 | 400 | 0.5 | 1.0 | 3.98 | 0.51 |
11 | 0.5 | 5.0 | 400 | 2.0 | 1.0 | 7.80 | 0.45 |
12 | 0.5 | 5.0 | 400 | 3.0 | 1.0 | 12.60 | 0.79 |
13 | 0.5 | 5.0 | 400 | 1.0 | 0.5 | 8.12 | 0.87 |
14 | 0.5 | 5.0 | 400 | 1.0 | 2.0 | 3.60 | 0.55 |
15 | 0.5 | 5.0 | 400 | 1.0 | 3.0 | 2.53 | 0.29 |
16 | 0.5 | 5.0 | 400 | 1.0 | 1.0 | 6.14 | 0.55 |
17 | 0.5 | 5.0 | 400 | 1.0 | 1.0 | 11.70 | 0.25 |
Table 1 Influence of reaction parameters on the copolymerization of ethylene/VPMDSO by C4*
Entry | cVPMDSO/(mol·L-1) | nCat./µmol | nAl/nNi | pC2H2/MPa | t/h | 10-5Activity/(g·molNi-1·h-1) | wSi(%) |
---|---|---|---|---|---|---|---|
1 | 0 | 5.0 | 400 | 1.0 | 1.0 | 8.39 | — |
2 | 0.5 | 5.0 | 400 | 1.0 | 1.0 | 7.78 | 0.44 |
3 | 1.0 | 5.0 | 400 | 1.0 | 1.0 | 7.30 | 0.46 |
4 | 1.5 | 5.0 | 400 | 1.0 | 1.0 | 6.80 | 0.46 |
5 | 0.5 | 3.0 | 400 | 1.0 | 1.0 | 3.65 | 0.33 |
6 | 0.5 | 10.0 | 400 | 1.0 | 1.0 | 4.32 | 0.55 |
7 | 0.5 | 5.0 | 200 | 1.0 | 1.0 | 5.38 | 0.82 |
8 | 0.5 | 5.0 | 800 | 1.0 | 1.0 | 5.10 | 0.69 |
9 | 0.5 | 5.0 | 1000 | 1.0 | 1.0 | 4.36 | 0.53 |
10 | 0.5 | 5.0 | 400 | 0.5 | 1.0 | 3.98 | 0.51 |
11 | 0.5 | 5.0 | 400 | 2.0 | 1.0 | 7.80 | 0.45 |
12 | 0.5 | 5.0 | 400 | 3.0 | 1.0 | 12.60 | 0.79 |
13 | 0.5 | 5.0 | 400 | 1.0 | 0.5 | 8.12 | 0.87 |
14 | 0.5 | 5.0 | 400 | 1.0 | 2.0 | 3.60 | 0.55 |
15 | 0.5 | 5.0 | 400 | 1.0 | 3.0 | 2.53 | 0.29 |
16 | 0.5 | 5.0 | 400 | 1.0 | 1.0 | 6.14 | 0.55 |
17 | 0.5 | 5.0 | 400 | 1.0 | 1.0 | 11.70 | 0.25 |
Entry | Catalyst | 10-5Activity/(g·mol | 10-4Mn | PDI | Branches/ (CH3/1000C) | wSi(%) |
---|---|---|---|---|---|---|
1 | C1 | 1.56 | 1.40 | 6.3 | 14.3 | 0.60 |
2 | C2 | 2.04 | 8.02 | 4.2 | 13.1 | 0.69 |
3 | C3 | 14.12 | 1.88 | 3.2 | 39.6 | 0.47 |
4 | C4 | 7.78 | 11.34 | 2.1 | 72.4 | 0.44 |
5 | C5 | 8.04 | 1.04 | 3.7 | 32.3 | 0.63 |
6 | C6 | 8.24 | 5.40 | 2.6 | 62.1 | 0.20 |
Table 2 Influence of catalyst structure on ethylene/VPMDSO copolymerization*
Entry | Catalyst | 10-5Activity/(g·mol | 10-4Mn | PDI | Branches/ (CH3/1000C) | wSi(%) |
---|---|---|---|---|---|---|
1 | C1 | 1.56 | 1.40 | 6.3 | 14.3 | 0.60 |
2 | C2 | 2.04 | 8.02 | 4.2 | 13.1 | 0.69 |
3 | C3 | 14.12 | 1.88 | 3.2 | 39.6 | 0.47 |
4 | C4 | 7.78 | 11.34 | 2.1 | 72.4 | 0.44 |
5 | C5 | 8.04 | 1.04 | 3.7 | 32.3 | 0.63 |
6 | C6 | 8.24 | 5.40 | 2.6 | 62.1 | 0.20 |
Sample | cVPMDSO/(mol·L-1) | Contact angle of water/(°) | Contact angle of diiodomethane/(°) | γs/(mN·m-1) |
---|---|---|---|---|
PE | 0 | 90.0±3 | 58.5±2 | 30.1 |
Ethylene/VPMDSO copolymer By C4 | 0.5 | 104.2±3 | 69.4±2 | 23.2 |
Ethylene/VPMDSO copolymer By C4 | 1.0 | 108.8±3 | 66.3±2 | 25.3 |
Ethylene/VPMDSO copolymer By C1 | 0.5 | 103.1±3 | 67.1±2 | 24.5 |
Ethylene/VPMDSO copolymer By C2 | 0.5 | 98.4±3±3 | 66.4±2 | 25.1 |
Ethylene/VPMDSO copolymer By C3 | 0.5 | 108.5±3 | 64.6±2 | 26.4 |
Ethylene/VPMDSO copolymer By C5 | 0.5 | 106.8±3 | 65.3±2 | 25.8 |
Ethylene/VPMDSO copolymer By C6 | 0.5 | 106.6±3 | 68.0±2 | 24.1 |
Table 3 Contact angle size of ethylene/VPMDSO copolymer films
Sample | cVPMDSO/(mol·L-1) | Contact angle of water/(°) | Contact angle of diiodomethane/(°) | γs/(mN·m-1) |
---|---|---|---|---|
PE | 0 | 90.0±3 | 58.5±2 | 30.1 |
Ethylene/VPMDSO copolymer By C4 | 0.5 | 104.2±3 | 69.4±2 | 23.2 |
Ethylene/VPMDSO copolymer By C4 | 1.0 | 108.8±3 | 66.3±2 | 25.3 |
Ethylene/VPMDSO copolymer By C1 | 0.5 | 103.1±3 | 67.1±2 | 24.5 |
Ethylene/VPMDSO copolymer By C2 | 0.5 | 98.4±3±3 | 66.4±2 | 25.1 |
Ethylene/VPMDSO copolymer By C3 | 0.5 | 108.5±3 | 64.6±2 | 26.4 |
Ethylene/VPMDSO copolymer By C5 | 0.5 | 106.8±3 | 65.3±2 | 25.8 |
Ethylene/VPMDSO copolymer By C6 | 0.5 | 106.6±3 | 68.0±2 | 24.1 |
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