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© 《China Plastics》
© 《China Plastics》
China Plastics ›› 2021, Vol. 35 ›› Issue (12): 108-113.DOI: 10.19491/j.issn.1001-9278.2021.12.018
• Plastic and Environment • Previous Articles Next Articles
WANG Zhiqin(
), LI Hui, ZHU Bingyu, CHEN Chang
Received:2021-04-06
Online:2021-12-26
Published:2021-12-22
CLC Number:
WANG Zhiqin, LI Hui, ZHU Bingyu, CHEN Chang. Recycling and applications of waste plastic films[J]. China Plastics, 2021, 35(12): 108-113.
| 主要指标 | 测试结果 | |
|---|---|---|
| 颜色 | 灰白色或黑色 | |
| 密度/g·cm-3 | 0.940~0.950 | |
| 熔体流动速率/g·(10 min)-1 | 1.2~2.0 | |
| 等级 | 较好 | 较差 |
| 拉伸屈服应力/MPa | 26~30 | 22~25 |
| 拉伸断裂标称应变/% | 400~550 | 200~400 |
| 简支梁缺口冲击强度/kJ·m-2(23 ℃) | 15~20 | 10~15 |
| 主要指标 | 测试结果 | |
|---|---|---|
| 颜色 | 灰白色或黑色 | |
| 密度/g·cm-3 | 0.940~0.950 | |
| 熔体流动速率/g·(10 min)-1 | 1.2~2.0 | |
| 等级 | 较好 | 较差 |
| 拉伸屈服应力/MPa | 26~30 | 22~25 |
| 拉伸断裂标称应变/% | 400~550 | 200~400 |
| 简支梁缺口冲击强度/kJ·m-2(23 ℃) | 15~20 | 10~15 |
| 性能指标 | 废旧地膜/秸秆复合板材 | 聚氯乙烯木塑复合板材 | 纯木板材 | 测试标准 |
|---|---|---|---|---|
| 抗冲击性能 | 多次抗冲击实验表面无裂纹 | 易出现裂纹 | GB/T 27796—2011 | |
| 抗弯承载系数 | 1.8~2.0 | 1.8~2.0 | 0.2~0.5 | GB/T 9341—2000 |
| 简支梁冲击强度/kJ·m-2 | 5~10 | 6~10 | - | GB/T 1043—1993 |
| 拉伸强度/MPa | 10~15 | 12~16 | 60~145 | GB/T 1040—1992 |
| 断裂伸长率/% | 2~5 | 2~4 | - | GB/T 1040—1992 |
| 洛氏硬度 | ≥60 | ≥60 | ≥10 | GB/T 9342—1988 |
| 弯曲强度/MPa | 15~25 | 15~25 | 1.5~2 | GB/T 9341—2000 |
| 软化系数 | 1.0~1.5 | 1.0~1.5 | - | GB/T 27796—2011 |
| 吸水率/% | 2~5 | 3 | 9~12 | GB/T 1034—1993 |
| 耐火极限/h | 1.2~1.5 | 1.0~1.5 | ≥0.5 | GB/T 27796—2011 |
| 热导率/W·(m·K)-1 | 0.25~0.3 | 0.2~0.3 | 0.04~0.2 | GB/T 27796—2011 |
| 使用成本 | 高于聚氯乙烯木塑板材5 %~10 % | - | 低于聚氯乙烯木塑板材10 %~30 % | - |
| 性能指标 | 废旧地膜/秸秆复合板材 | 聚氯乙烯木塑复合板材 | 纯木板材 | 测试标准 |
|---|---|---|---|---|
| 抗冲击性能 | 多次抗冲击实验表面无裂纹 | 易出现裂纹 | GB/T 27796—2011 | |
| 抗弯承载系数 | 1.8~2.0 | 1.8~2.0 | 0.2~0.5 | GB/T 9341—2000 |
| 简支梁冲击强度/kJ·m-2 | 5~10 | 6~10 | - | GB/T 1043—1993 |
| 拉伸强度/MPa | 10~15 | 12~16 | 60~145 | GB/T 1040—1992 |
| 断裂伸长率/% | 2~5 | 2~4 | - | GB/T 1040—1992 |
| 洛氏硬度 | ≥60 | ≥60 | ≥10 | GB/T 9342—1988 |
| 弯曲强度/MPa | 15~25 | 15~25 | 1.5~2 | GB/T 9341—2000 |
| 软化系数 | 1.0~1.5 | 1.0~1.5 | - | GB/T 27796—2011 |
| 吸水率/% | 2~5 | 3 | 9~12 | GB/T 1034—1993 |
| 耐火极限/h | 1.2~1.5 | 1.0~1.5 | ≥0.5 | GB/T 27796—2011 |
| 热导率/W·(m·K)-1 | 0.25~0.3 | 0.2~0.3 | 0.04~0.2 | GB/T 27796—2011 |
| 使用成本 | 高于聚氯乙烯木塑板材5 %~10 % | - | 低于聚氯乙烯木塑板材10 %~30 % | - |
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