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中国塑料 ›› 2023, Vol. 37 ›› Issue (8): 20-27.DOI: 10.19491/j.issn.1001-9278.2023.08.004
收稿日期:
2023-06-02
出版日期:
2023-08-26
发布日期:
2023-08-21
通讯作者:
胡晶(1982—),女,副教授,从事生物降解材料及降解机理,高性能3D打印材料、聚合物、金属及其复合材料3D打印成型工艺及机制研究,hujing@th.btbu.edu.cn基金资助:
ZHAO Mengmeng, YANG Hongjuan, SHEN Siyu, FENG Shuo, ZHANG Weimeng, HU Jing()
Received:
2023-06-02
Online:
2023-08-26
Published:
2023-08-21
Contact:
HU Jing
E-mail:hujing@th.btbu.edu.cn
摘要:
以聚乙二醇二缩水甘油醚(PEGDGE)为相容剂与聚乳酸(PLA)和聚己二酸⁃对苯二甲酸丁二醇酯(PBAT)通过转矩流变仪进行熔融共混。通过傅里叶变换全反射红外光谱仪(ATR⁃FTIR)、扫描电子显微镜(SEM)、差示扫描量热仪(DSC)等探究了不同含量PEDGDE对PLA/PBAT共混体系断面微观形貌、热性能、力学强度等性能的影响。结果表明,与未加PEGDGE的PLA/PBAT的共混体系相比,加入3份PEGDGE时,材料的断裂伸长率可由14.6 %增加至38.9 %,是PLA/PBAT的2.7倍。加入PEGDGE后,PLA/PBAT共混体系冷结晶向低温移动,且加入5份PEGDGE时,结晶度有明显提升。
中图分类号:
赵萌萌, 杨红娟, 沈思宇, 冯硕, 张伟蒙, 胡晶. 聚乙二醇二缩水甘油醚对PLA/PBAT共混材料相容性及性能的影响[J]. 中国塑料, 2023, 37(8): 20-27.
ZHAO Mengmeng, YANG Hongjuan, SHEN Siyu, FENG Shuo, ZHANG Weimeng, HU Jing. Effect of poly(ethylene glycol diglycidyl ether) on compatibility and properties of PLA/PBAT blends[J]. China Plastics, 2023, 37(8): 20-27.
PEGDGE(Aladdin)含量/份 | 玻璃化转变温度/℃ | 冷结晶温度/℃ | 熔融温度/℃ | 冷结晶焓/J·g-1 | 熔融焓/J·g-1 | 结晶度/% |
---|---|---|---|---|---|---|
0 | 60.6 | 104.4 | 168.3 | 16.3 | 22.1 | 8.9 |
1 | 58.3 | 102.3 | 169.0 | 20.2 | 23.1 | 4.5 |
3 | 52.3 | 104.1 | 166.6 | 18.2 | 22.5 | 6.6 |
5 | 46.1 | 95.9 | 166.4 | 13.2 | 23.3 | 15.5 |
PEGDGE(Aladdin)含量/份 | 玻璃化转变温度/℃ | 冷结晶温度/℃ | 熔融温度/℃ | 冷结晶焓/J·g-1 | 熔融焓/J·g-1 | 结晶度/% |
---|---|---|---|---|---|---|
0 | 60.6 | 104.4 | 168.3 | 16.3 | 22.1 | 8.9 |
1 | 58.3 | 102.3 | 169.0 | 20.2 | 23.1 | 4.5 |
3 | 52.3 | 104.1 | 166.6 | 18.2 | 22.5 | 6.6 |
5 | 46.1 | 95.9 | 166.4 | 13.2 | 23.3 | 15.5 |
PEGDGE(yuanye)含量/份 | 玻璃化转变温度/℃ | 冷结晶温度/℃ | 熔融温度/℃ | 冷结晶焓/J·g-1 | 熔融焓/J·g-1 | 结晶度/% |
---|---|---|---|---|---|---|
0 | 60.6 | 104.4 | 168.3 | 16.3 | 22.1 | 8.9 |
1 | 57.2 | 102.7 | 168.2 | 18.9 | 20.8 | 2.9 |
3 | 52.9 | 94.9 | 168.4 | 19.1 | 25.8 | 10.3 |
5 | 45.4 | 86.2 | 165.4 | 17.0 | 27.3 | 15.8 |
PEGDGE(yuanye)含量/份 | 玻璃化转变温度/℃ | 冷结晶温度/℃ | 熔融温度/℃ | 冷结晶焓/J·g-1 | 熔融焓/J·g-1 | 结晶度/% |
---|---|---|---|---|---|---|
0 | 60.6 | 104.4 | 168.3 | 16.3 | 22.1 | 8.9 |
1 | 57.2 | 102.7 | 168.2 | 18.9 | 20.8 | 2.9 |
3 | 52.9 | 94.9 | 168.4 | 19.1 | 25.8 | 10.3 |
5 | 45.4 | 86.2 | 165.4 | 17.0 | 27.3 | 15.8 |
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