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© 《China Plastics》
China Plastics ›› 2025, Vol. 39 ›› Issue (7): 93-101.DOI: 10.19491/j.issn.1001-9278.2025.07.015
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LI Zihan(), SONG Chaobo, ZHANG Jinjin, LIANG Dali, LIN Huajie
Received:
2024-07-31
Online:
2025-07-26
Published:
2025-07-22
CLC Number:
LI Zihan, SONG Chaobo, ZHANG Jinjin, LIANG Dali, LIN Huajie. Effect of calcium salt nucleating agent on non⁃isothermal crystallization kinetics and crystal form transformation of polybutene-1[J]. China Plastics, 2025, 39(7): 93-101.
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URL: https://www.plaschina.com.cn/EN/10.19491/j.issn.1001-9278.2025.07.015
样品 | Tm/℃ | 熔融峰宽/℃ | ⁃ΔHm/J*g-1 | Tc/℃ | Xc/% | 结晶峰宽/℃ | ΔHC/J*g-1 | Δt/℃ |
---|---|---|---|---|---|---|---|---|
PB⁃01 | 118.43 | 14.15 | 29.40 | 70.04 | 50.95 | 15.88 | 31.84 | 48.39 |
+500 mg/kg 成核剂A | 118.94 | 10.25 | 29.76 | 87.62 | 56.99 | 8.47 | 36.62 | 31.32 |
+1 000 mg/kg 成核剂A | 116.94 | 9.34 | 33.93 | 87.27 | 56.99 | 8.52 | 35.62 | 29.67 |
+300 mg/kg 成核剂B | 116.89 | 8.02 | 34.19 | 87.35 | 56.21 | 6.22 | 35.13 | 29.54 |
+500 mg/kg 成核剂B | 117.33 | 10.84 | 33.30 | 86.47 | 56.86 | 7.95 | 36.86 | 30.86 |
+1 000 mg/kg 成核剂B | 116.67 | 8.43 | 35.69 | 88.64 | 59.15 | 6.06 | 36.97 | 28.03 |
+300 mg/kg 成核剂C | 118.81 | 11.94 | 33.90 | 83.87 | 56.08 | 10.55 | 35.05 | 34.94 |
+500 mg/kg 成核剂C | 116.93 | 8.95 | 34.88 | 84.40 | 58.35 | 8.92 | 36.47 | 32.53 |
+1 000 mg/kg 成核剂C | 116.71 | 8.21 | 32.89 | 82.96 | 56.81 | 8.40 | 35.51 | 33.75 |
样品 | Tm/℃ | 熔融峰宽/℃ | ⁃ΔHm/J*g-1 | Tc/℃ | Xc/% | 结晶峰宽/℃ | ΔHC/J*g-1 | Δt/℃ |
---|---|---|---|---|---|---|---|---|
PB⁃01 | 118.43 | 14.15 | 29.40 | 70.04 | 50.95 | 15.88 | 31.84 | 48.39 |
+500 mg/kg 成核剂A | 118.94 | 10.25 | 29.76 | 87.62 | 56.99 | 8.47 | 36.62 | 31.32 |
+1 000 mg/kg 成核剂A | 116.94 | 9.34 | 33.93 | 87.27 | 56.99 | 8.52 | 35.62 | 29.67 |
+300 mg/kg 成核剂B | 116.89 | 8.02 | 34.19 | 87.35 | 56.21 | 6.22 | 35.13 | 29.54 |
+500 mg/kg 成核剂B | 117.33 | 10.84 | 33.30 | 86.47 | 56.86 | 7.95 | 36.86 | 30.86 |
+1 000 mg/kg 成核剂B | 116.67 | 8.43 | 35.69 | 88.64 | 59.15 | 6.06 | 36.97 | 28.03 |
+300 mg/kg 成核剂C | 118.81 | 11.94 | 33.90 | 83.87 | 56.08 | 10.55 | 35.05 | 34.94 |
+500 mg/kg 成核剂C | 116.93 | 8.95 | 34.88 | 84.40 | 58.35 | 8.92 | 36.47 | 32.53 |
+1 000 mg/kg 成核剂C | 116.71 | 8.21 | 32.89 | 82.96 | 56.81 | 8.40 | 35.51 | 33.75 |
样品 | 参数 | 降温速率Φ/℃·min-1 | ||||
---|---|---|---|---|---|---|
2.5 | 5 | 10 | 20 | 40 | ||
PB⁃01 | n | 3.8 | 3.84 | 2.45 | 2.91 | 2.37 |
Kc | 0.75 | 0.88 | 0.93 | 0.98 | 1.02 | |
t1/2/s | 29.71 | 24.37 | 18.5 | 12.41 | 8.98 | |
+500 mg/kg成核剂A | n | 2.65 | 2.68 | 2.86 | 3.81 | 2.49 |
Kc | 0.43 | 0.65 | 0.88 | 1.30 | 1.44 | |
t1/2/s | 22.56 | 16.58 | 8.13 | 4.66 | 2.92 | |
+1 000 mg/kg成核剂A | n | 2.84 | 5.01 | 4.72 | 3.58 | 2.48 |
Kc | 0.65 | 1.15 | 1.37 | 1.84 | 2.40 | |
t1/2/s | 28.14 | 15.95 | 9.82 | 5.28 | 2.27 | |
+300 mg/kg成核剂B | n | 2.04 | 2.45 | 2.52 | 4.01 | 4.44 |
Kc | 0.49 | 0.61 | 0.85 | 1.23 | 1.52 | |
t1/2/s | 23.38 | 13.37 | 7.65 | 4.54 | 2.72 | |
+500 mg/kg成核剂B | n | 4.52 | 3.35 | 2.25 | 3.05 | 3.66 |
Kc | 0.58 | 1.06 | 1.18 | 1.24 | 1.64 | |
t1/2/s | 26.47 | 13.01 | 8.79 | 4.71 | 2.75 | |
+1 000 mg/kg成核剂B | n | 3.20 | 3.01 | 2.46 | 2.73 | 3.61 |
Kc | 0.47 | 0.84 | 1.14 | 1.32 | 1.68 | |
t1/2/s | 28.58 | 17.29 | 7.68 | 4.47 | 2.88 | |
+300 mg/kg成核剂C | n | 4.59 | 4.30 | 4.54 | 3.21 | 4.48 |
Kc | 0.85 | 1.31 | 1.70 | 1.81 | 2.14 | |
t1/2/s | 23.56 | 17.07 | 7.74 | 3.67 | 1.78 | |
+500 mg/kg成核剂C | n | 3.96 | 2.69 | 2.84 | 2.87 | 4.16 |
Kc | 0.94 | 0.98 | 1.24 | 1.37 | 1.55 | |
t1/2/s | 25.87 | 11.51 | 7.77 | 4.45 | 1.69 | |
+1 000 mg/kg成核剂C | n | 2.80 | 2.26 | 3.86 | 4.05 | 4.34 |
Kc | 0.61 | 0.99 | 1.26 | 1.55 | 1.80 | |
t1/2/s | 28.10 | 13.59 | 9.32 | 3.76 | 2.24 |
样品 | 参数 | 降温速率Φ/℃·min-1 | ||||
---|---|---|---|---|---|---|
2.5 | 5 | 10 | 20 | 40 | ||
PB⁃01 | n | 3.8 | 3.84 | 2.45 | 2.91 | 2.37 |
Kc | 0.75 | 0.88 | 0.93 | 0.98 | 1.02 | |
t1/2/s | 29.71 | 24.37 | 18.5 | 12.41 | 8.98 | |
+500 mg/kg成核剂A | n | 2.65 | 2.68 | 2.86 | 3.81 | 2.49 |
Kc | 0.43 | 0.65 | 0.88 | 1.30 | 1.44 | |
t1/2/s | 22.56 | 16.58 | 8.13 | 4.66 | 2.92 | |
+1 000 mg/kg成核剂A | n | 2.84 | 5.01 | 4.72 | 3.58 | 2.48 |
Kc | 0.65 | 1.15 | 1.37 | 1.84 | 2.40 | |
t1/2/s | 28.14 | 15.95 | 9.82 | 5.28 | 2.27 | |
+300 mg/kg成核剂B | n | 2.04 | 2.45 | 2.52 | 4.01 | 4.44 |
Kc | 0.49 | 0.61 | 0.85 | 1.23 | 1.52 | |
t1/2/s | 23.38 | 13.37 | 7.65 | 4.54 | 2.72 | |
+500 mg/kg成核剂B | n | 4.52 | 3.35 | 2.25 | 3.05 | 3.66 |
Kc | 0.58 | 1.06 | 1.18 | 1.24 | 1.64 | |
t1/2/s | 26.47 | 13.01 | 8.79 | 4.71 | 2.75 | |
+1 000 mg/kg成核剂B | n | 3.20 | 3.01 | 2.46 | 2.73 | 3.61 |
Kc | 0.47 | 0.84 | 1.14 | 1.32 | 1.68 | |
t1/2/s | 28.58 | 17.29 | 7.68 | 4.47 | 2.88 | |
+300 mg/kg成核剂C | n | 4.59 | 4.30 | 4.54 | 3.21 | 4.48 |
Kc | 0.85 | 1.31 | 1.70 | 1.81 | 2.14 | |
t1/2/s | 23.56 | 17.07 | 7.74 | 3.67 | 1.78 | |
+500 mg/kg成核剂C | n | 3.96 | 2.69 | 2.84 | 2.87 | 4.16 |
Kc | 0.94 | 0.98 | 1.24 | 1.37 | 1.55 | |
t1/2/s | 25.87 | 11.51 | 7.77 | 4.45 | 1.69 | |
+1 000 mg/kg成核剂C | n | 2.80 | 2.26 | 3.86 | 4.05 | 4.34 |
Kc | 0.61 | 0.99 | 1.26 | 1.55 | 1.80 | |
t1/2/s | 28.10 | 13.59 | 9.32 | 3.76 | 2.24 |
样品 | 参数 | 相对结晶度Xt % | |||
---|---|---|---|---|---|
20 | 40 | 60 | 80 | ||
PB⁃01 | α | 6.13 | 5.51 | 5.63 | 5.09 |
F(T) | 2.64 | 2.68 | 2.81 | 2.86 | |
+500 mg/kg成核剂A | α | 13.45 | 15.38 | 17.87 | 20.32 |
F(T) | 8.48 | 12.23 | 12.56 | 17.91 | |
+1 000 mg/kg成核剂A | α | 12.22 | 22.41 | 22.24 | 28.11 |
F(T) | 9.68 | 13.78 | 13.79 | 18.31 | |
+300 mg/kg成核剂B | α | 17.19 | 19.29 | 22.35 | 25.97 |
F(T) | 7.74 | 15.72 | 19.85 | 22.58 | |
+500 mg/kg成核剂B | α | 19.51 | 23.37 | 23.42 | 32.84 |
F(T) | 8.38 | 18.62 | 21.71 | 22.92 | |
+1 000 mg/kg成核剂B | α | 18.83 | 23.33 | 24.02 | 33.37 |
F(T) | 8.35 | 18.92 | 22.16 | 22.31 | |
+300 mg/kg成核剂C | α | 16.15 | 16.49 | 19.54 | 23.14 |
F(T) | 3.61 | 11.78 | 15.60 | 18.69 | |
+500 mg/kg成核剂C | α | 12.57 | 13.37 | 16.49 | 17.72 |
F(T) | 7.36 | 10.50 | 12.07 | 19.48 | |
+1 000 mg/kg成核剂C | α | 11.72 | 17.06 | 20.66 | 22.63 |
F(T) | 7.88 | 14.08 | 15.64 | 19.39 |
样品 | 参数 | 相对结晶度Xt % | |||
---|---|---|---|---|---|
20 | 40 | 60 | 80 | ||
PB⁃01 | α | 6.13 | 5.51 | 5.63 | 5.09 |
F(T) | 2.64 | 2.68 | 2.81 | 2.86 | |
+500 mg/kg成核剂A | α | 13.45 | 15.38 | 17.87 | 20.32 |
F(T) | 8.48 | 12.23 | 12.56 | 17.91 | |
+1 000 mg/kg成核剂A | α | 12.22 | 22.41 | 22.24 | 28.11 |
F(T) | 9.68 | 13.78 | 13.79 | 18.31 | |
+300 mg/kg成核剂B | α | 17.19 | 19.29 | 22.35 | 25.97 |
F(T) | 7.74 | 15.72 | 19.85 | 22.58 | |
+500 mg/kg成核剂B | α | 19.51 | 23.37 | 23.42 | 32.84 |
F(T) | 8.38 | 18.62 | 21.71 | 22.92 | |
+1 000 mg/kg成核剂B | α | 18.83 | 23.33 | 24.02 | 33.37 |
F(T) | 8.35 | 18.92 | 22.16 | 22.31 | |
+300 mg/kg成核剂C | α | 16.15 | 16.49 | 19.54 | 23.14 |
F(T) | 3.61 | 11.78 | 15.60 | 18.69 | |
+500 mg/kg成核剂C | α | 12.57 | 13.37 | 16.49 | 17.72 |
F(T) | 7.36 | 10.50 | 12.07 | 19.48 | |
+1 000 mg/kg成核剂C | α | 11.72 | 17.06 | 20.66 | 22.63 |
F(T) | 7.88 | 14.08 | 15.64 | 19.39 |
样品 | PB⁃01 | +500 mg/kg 成核剂A | +1 000 mg/kg 成核剂A | +300 mg/kg 成核剂B | +500 mg/kg 成核剂B | +1 000 mg/kg成核剂B | +300 mg/kg成核剂C | +500 mg/kg 成核剂C | +1 000 mg/kg 成核剂C |
---|---|---|---|---|---|---|---|---|---|
ΔE/kJ·mol-1 | -3.95 | -10.09 | -8.50 | -10.12 | -12.84 | -16.23 | -6.02 | -7.87 | -8.74 |
样品 | PB⁃01 | +500 mg/kg 成核剂A | +1 000 mg/kg 成核剂A | +300 mg/kg 成核剂B | +500 mg/kg 成核剂B | +1 000 mg/kg成核剂B | +300 mg/kg成核剂C | +500 mg/kg 成核剂C | +1 000 mg/kg 成核剂C |
---|---|---|---|---|---|---|---|---|---|
ΔE/kJ·mol-1 | -3.95 | -10.09 | -8.50 | -10.12 | -12.84 | -16.23 | -6.02 | -7.87 | -8.74 |
样品 | 弯曲模量/MPa | 弹性模量/MPa | 拉伸强度/MPa | 拉伸应变/% | 抗冲击强度/kJ·m-2 |
---|---|---|---|---|---|
PB⁃01 | 465 | 560 | 21.6 | 71 | 18.6 |
+500 mg/kg成核剂A | 514 | 613 | 23.3 | 76.8 | 13.4 |
+1 000 mg/kg成核剂A | 529 | 624 | 22.8 | 63.0 | 10.6 |
+300 mg/kg成核剂B | 531 | 632 | 23.6 | 77.7 | 17.4 |
+500 mg/kg成核剂B | 523 | 632 | 22.5 | 58.4 | 14.5 |
+1 000 mg/kg成核剂B | 525 | 623 | 23.0 | 68.5 | 12.0 |
+300 mg/kg成核剂C | 478 | 582 | 26.4 | 130 | 23.9 |
+500 mg/kg成核剂C | 486 | 593 | 25.1 | 114 | 23.6 |
+1 000 mg/kg成核剂C | 514 | 620 | 24.6 | 102.3 | 21.8 |
样品 | 弯曲模量/MPa | 弹性模量/MPa | 拉伸强度/MPa | 拉伸应变/% | 抗冲击强度/kJ·m-2 |
---|---|---|---|---|---|
PB⁃01 | 465 | 560 | 21.6 | 71 | 18.6 |
+500 mg/kg成核剂A | 514 | 613 | 23.3 | 76.8 | 13.4 |
+1 000 mg/kg成核剂A | 529 | 624 | 22.8 | 63.0 | 10.6 |
+300 mg/kg成核剂B | 531 | 632 | 23.6 | 77.7 | 17.4 |
+500 mg/kg成核剂B | 523 | 632 | 22.5 | 58.4 | 14.5 |
+1 000 mg/kg成核剂B | 525 | 623 | 23.0 | 68.5 | 12.0 |
+300 mg/kg成核剂C | 478 | 582 | 26.4 | 130 | 23.9 |
+500 mg/kg成核剂C | 486 | 593 | 25.1 | 114 | 23.6 |
+1 000 mg/kg成核剂C | 514 | 620 | 24.6 | 102.3 | 21.8 |
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