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© 《China Plastics》
© 《China Plastics》
China Plastics ›› 2025, Vol. 39 ›› Issue (11): 1-6.DOI: 10.19491/j.issn.1001-9278.2025.11.001
• Materials and Properties •
AN Lihong(
), TU Yi, ZHANG Guizhen(
)
Received:2024-11-19
Online:2025-11-26
Published:2025-11-21
CLC Number:
AN Lihong, TU Yi, ZHANG Guizhen. Preparation and properties of uniaxially stretched poly(ethylene⁃co⁃tetrafluoroethylene) films[J]. China Plastics, 2025, 39(11): 1-6.
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URL: https://www.plaschina.com.cn/EN/10.19491/j.issn.1001-9278.2025.11.001
| 样品名称 | 拉伸温度/ ℃ | 拉伸倍数 (MD×TD) | 热定型温度/ ℃ | 热定型时间/ min |
|---|---|---|---|---|
| 80℃⁃1.5×1 | 80 | 1.5×1 | 120 | 3 |
| 80℃⁃2×1 | 2×1 | |||
| 80℃⁃2.5×1 | 2.5×1 | |||
| 80℃⁃3×1 | 3×1 | |||
| 120℃⁃1.5×1 | 120 | 1.5×1 | 140 | 3 |
| 120℃⁃2×1 | 2×1 | |||
| 120℃⁃2.5×1 | 2.5×1 | |||
| 120℃⁃3×1 | 3×1 | |||
| 160℃⁃1.5×1 | 160 | 1.5×1 | 180 | 3 |
| 160℃⁃2×1 | 2×1 | |||
| 160℃⁃2.5×1 | 2.5×1 | |||
| 160℃⁃3×1 | 3×1 | |||
| 180℃⁃1 min | 160 | 2×1 | 180 | 1 |
| 180℃⁃3 min | 3 | |||
| 180℃⁃5 min | 5 | |||
| 180℃⁃7 min | 7 | |||
| 220℃⁃1 min | 160 | 2×1 | 220 | 1 |
| 220℃⁃3 min | 3 | |||
| 220℃⁃5 min | 5 | |||
| 220℃⁃7 min | 7 |
| 样品名称 | 拉伸温度/ ℃ | 拉伸倍数 (MD×TD) | 热定型温度/ ℃ | 热定型时间/ min |
|---|---|---|---|---|
| 80℃⁃1.5×1 | 80 | 1.5×1 | 120 | 3 |
| 80℃⁃2×1 | 2×1 | |||
| 80℃⁃2.5×1 | 2.5×1 | |||
| 80℃⁃3×1 | 3×1 | |||
| 120℃⁃1.5×1 | 120 | 1.5×1 | 140 | 3 |
| 120℃⁃2×1 | 2×1 | |||
| 120℃⁃2.5×1 | 2.5×1 | |||
| 120℃⁃3×1 | 3×1 | |||
| 160℃⁃1.5×1 | 160 | 1.5×1 | 180 | 3 |
| 160℃⁃2×1 | 2×1 | |||
| 160℃⁃2.5×1 | 2.5×1 | |||
| 160℃⁃3×1 | 3×1 | |||
| 180℃⁃1 min | 160 | 2×1 | 180 | 1 |
| 180℃⁃3 min | 3 | |||
| 180℃⁃5 min | 5 | |||
| 180℃⁃7 min | 7 | |||
| 220℃⁃1 min | 160 | 2×1 | 220 | 1 |
| 220℃⁃3 min | 3 | |||
| 220℃⁃5 min | 5 | |||
| 220℃⁃7 min | 7 |
| 样品 | ΔHm/J·g-1 | Tm/℃ | Xc/% | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 80 ℃ | 120 ℃ | 160 ℃ | 80 ℃ | 120 ℃ | 160 ℃ | 80 ℃ | 120 ℃ | 160 ℃ | |
| 1.5×1 | 30.9 | 30.6 | 31.4 | 257.3 | 258.6 | 257.4 | 32.2 | 31.9 | 32.7 |
| 2×1 | 32.4 | 31.6 | 31.8 | 258.7 | 257.7 | 258.5 | 33.8 | 32.9 | 33.1 |
| 2.5×1 | 32.6 | 33.1 | 32.1 | 258.3 | 257.6 | 258.1 | 34.0 | 34.5 | 33.4 |
| 3×1 | 33.4 | 34.1 | 33.2 | 259.2 | 258.6 | 257.5 | 34.8 | 35.6 | 34.6 |
| 样品 | ΔHm/J·g-1 | Tm/℃ | Xc/% | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 80 ℃ | 120 ℃ | 160 ℃ | 80 ℃ | 120 ℃ | 160 ℃ | 80 ℃ | 120 ℃ | 160 ℃ | |
| 1.5×1 | 30.9 | 30.6 | 31.4 | 257.3 | 258.6 | 257.4 | 32.2 | 31.9 | 32.7 |
| 2×1 | 32.4 | 31.6 | 31.8 | 258.7 | 257.7 | 258.5 | 33.8 | 32.9 | 33.1 |
| 2.5×1 | 32.6 | 33.1 | 32.1 | 258.3 | 257.6 | 258.1 | 34.0 | 34.5 | 33.4 |
| 3×1 | 33.4 | 34.1 | 33.2 | 259.2 | 258.6 | 257.5 | 34.8 | 35.6 | 34.6 |
| 样品 | ΔHm/J·g-1 | Tm/℃ | Xc/% | |||
|---|---|---|---|---|---|---|
| 180 ℃ | 220 ℃ | 180 ℃ | 220 ℃ | 180 ℃ | 220 ℃ | |
| 1 min | 30.7 | 31.4 | 258.0 | 258.6 | 32.0 | 32.7 |
| 3 min | 31.6 | 32.9 | 258.1 | 258.1 | 32.9 | 34.3 |
| 5 min | 32.5 | 35.4 | 259.0 | 259.6 | 33.9 | 36.9 |
| 7 min | 32.3 | 34.7 | 259.1 | 259.5 | 33.6 | 36.1 |
| 样品 | ΔHm/J·g-1 | Tm/℃ | Xc/% | |||
|---|---|---|---|---|---|---|
| 180 ℃ | 220 ℃ | 180 ℃ | 220 ℃ | 180 ℃ | 220 ℃ | |
| 1 min | 30.7 | 31.4 | 258.0 | 258.6 | 32.0 | 32.7 |
| 3 min | 31.6 | 32.9 | 258.1 | 258.1 | 32.9 | 34.3 |
| 5 min | 32.5 | 35.4 | 259.0 | 259.6 | 33.9 | 36.9 |
| 7 min | 32.3 | 34.7 | 259.1 | 259.5 | 33.6 | 36.1 |
| 样品 | 紫外光波段平均透光率/% | 平均透光率/% | ||||
|---|---|---|---|---|---|---|
| 80 ℃ | 120 ℃ | 160 ℃ | 80 ℃ | 120 ℃ | 160 ℃ | |
| 1.5×1 | 0.17 | 0.22 | 0.25 | 85.3 | 87.2 | 88.4 |
| 2×1 | 0.31 | 0.45 | 0.67 | 87.3 | 88.3 | 89.1 |
| 2.5×1 | 0.40 | 0.72 | 0.99 | 87.6 | 90.0 | 90.2 |
| 3×1 | 0.88 | 0.84 | 1.23 | 87.3 | 90.1 | 90.0 |
| 样品 | 紫外光波段平均透光率/% | 平均透光率/% | ||||
|---|---|---|---|---|---|---|
| 80 ℃ | 120 ℃ | 160 ℃ | 80 ℃ | 120 ℃ | 160 ℃ | |
| 1.5×1 | 0.17 | 0.22 | 0.25 | 85.3 | 87.2 | 88.4 |
| 2×1 | 0.31 | 0.45 | 0.67 | 87.3 | 88.3 | 89.1 |
| 2.5×1 | 0.40 | 0.72 | 0.99 | 87.6 | 90.0 | 90.2 |
| 3×1 | 0.88 | 0.84 | 1.23 | 87.3 | 90.1 | 90.0 |
| 样品 | 紫外光波段平均透光率/% | 平均透光率/% | ||
|---|---|---|---|---|
| 180 ℃ | 220 ℃ | 180 ℃ | 220 ℃ | |
| 1 min | 0.75 | 0.51 | 89.3 | 86.9 |
| 3 min | 0.76 | 0.70 | 88.9 | 86.6 |
| 5 min | 0.62 | 1.62 | 89.4 | 89.3 |
| 7 min | 0.67 | 2.26 | 89.5 | 89.3 |
| 样品 | 紫外光波段平均透光率/% | 平均透光率/% | ||
|---|---|---|---|---|
| 180 ℃ | 220 ℃ | 180 ℃ | 220 ℃ | |
| 1 min | 0.75 | 0.51 | 89.3 | 86.9 |
| 3 min | 0.76 | 0.70 | 88.9 | 86.6 |
| 5 min | 0.62 | 1.62 | 89.4 | 89.3 |
| 7 min | 0.67 | 2.26 | 89.5 | 89.3 |
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