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Preparation and Characterization of Biodegradable Poly(propylene carbonate-
co -phthalate)/Poly(butylene adipate-co -terephthalate) Blends- ACTA POLYMERICA SINICA Vol. 54, Issue 8, Pages: 1144-1154(2023)
- 作者机构：
1.广东省低碳化学与过程节能重点实验室 中山大学材料科学与工程学院 广州 510006
2.中山大学化学工程与技术学院 珠海 519082
- 作者简介：
Min Xiao, E-mail: stsxm@mail.sysu.edu.cn
- 基金信息：
DOI：10.11777/j.issn1000-3304.2022.22415
CLC：Published：20 August 2023，
Published Online：17 February 2023，
Received：01 December 2022，
Accepted：13 January 2023
扫 描 看 全 文
张田伟,梁嘉欣,岳双双等.可生物降解的半芳香聚酯聚碳酸丙烯酯共聚物/聚己二酸-对苯二甲酸丁二酯共混物的制备及性能表征[J].高分子学报,2023,54(08):1144-1154.
Zhang Tian-wei,Liang Jia-xin,Yue Shuang-shuang,et al.Preparation and Characterization of Biodegradable Poly(propylene carbonate-co-phthalate)/Poly(butylene adipate-co-terephthalate) Blends[J].ACTA POLYMERICA SINICA,2023,54(08):1144-1154.
张田伟,梁嘉欣,岳双双等.可生物降解的半芳香聚酯聚碳酸丙烯酯共聚物/聚己二酸-对苯二甲酸丁二酯共混物的制备及性能表征[J].高分子学报,2023,54(08):1144-1154. DOI： 10.11777/j.issn1000-3304.2022.22415.
Zhang Tian-wei,Liang Jia-xin,Yue Shuang-shuang,et al.Preparation and Characterization of Biodegradable Poly(propylene carbonate-co-phthalate)/Poly(butylene adipate-co-terephthalate) Blends[J].ACTA POLYMERICA SINICA,2023,54(08):1144-1154. DOI： 10.11777/j.issn1000-3304.2022.22415.
摘要
采用转矩流变仪对半芳香聚酯聚碳酸丙烯酯共聚物(poly(propylene carbonate-
co
-phthalate
PPC-P)和聚己二酸-对苯二甲酸丁二酯(poly(butylene adipate-
co
-terephthalate
PBAT)进行熔融共混，制备了不同比例的PPC-P/PBAT共混物. 研究了不同共混温度和PBAT含量对共混物的力学性能、流变特性、热性能、微观形貌和阻隔性能的影响. 结果表明，PPC-P/PBAT共混物的性能受共混温度和共混物组分的影响. 在PPC-P和PBAT熔体黏度相当的温度下进行共混时得到的共混物性能最佳，扫描电子显微镜(SEM)图像显示在该温度下制备的共混物中2种聚合物能均匀分散且相容性较好；PBAT的加入能够大幅提升材料的热稳定性、断裂伸长率等性能，但同时也会降低材料对水、氧的阻隔性能. 综合考虑，PBAT含量为30%~50%的PPC-P/PBAT共混材料是性能优异的食品/药品包装材料，具有优异的拉伸和阻隔性能.
Abstract
Poly(propylene carbonate-
co
-phthalate) (PPC-P)/poly(butylene adipate-
co
-terephthalate) (PBAT) blends with various composition ratios were prepared
via
melt mixing using a torque rheometer. The effects of blending temperature and PBAT content on mechanical behavior
rheological responses
thermal properties
phase morphology and barrier properties of the blends were investigated. Results showed that the properties of PPC-P/PBAT blends were affected by the blend temperature and the composition of the blends. The best performance of the blends is obtained when blending at the temperature where the melt viscosity of PPC-P and PBAT is equivalent
and SEM microphotographs showed that the two polymers in the blends prepared at this temperature could be uniformly dispersed and have good compatibility; Incorporating of PBAT effectively improved the thermal stability
elongation at break and other properties of the blends
but it will also reduce the barrier properties of the material. In a word
PPC-P/PBAT blends with PBAT content of 30 wt%‒50 wt% have excellent tensile and barrier properties and hence have great potential for green food/drug packaging applications.
关键词
二氧化碳生物可降解塑料聚己二酸-对苯二甲酸丁二酯阻隔性能包装材料
Keywords
Carbon dioxide (CO2)Biodegradable plasticsPoly(butylene adipate-co-terephthalate) (PBAT)Barrier performancePackaging
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