生物基与生物可降解口罩过滤材料的研究进展
孙玉发, 孙刚

Research progress in bio-based and biodegradable facemask filter materials
SUN Yufa, SUN Gang
表1 不同可降解聚合物和增塑剂对PLA材料性能的影响
Tab.1 Effects of different biodegradable polymers and plasticizers on properties of PLA materials
改性剂 添加量/% Tg/℃ 结晶度/% 拉伸强度/MPa 断裂伸长率/% 降解性能 参考文献
PBS 5 63.2 2.28 30.36 [37]
PBS 10 54.0 46.5 2.19 12.97 [38]
PCL 10 18.4 9.00 189.0 [42]
ATBC 15 26.0 15.9 4.50 105.0 10 d堆肥环境中易碎 [46]
TC 7 53.0 34.7 1.02 12.21 50 oC,4 d酶降解30.51% [47]
GT 7 52.0 31.1 1.08 12.53 50 oC,4 d酶降解34.18% [47]
OTOA 5 61.3 7.4 1.20 22.50 [50]
PHBV 5 2.50 45.00 4个月土壤中完全降解 [59]
PHBV 25 49.4 13.8 3.10 24.20 3周模拟土壤中完全降解 [60]
OLA 15 44.7 21.7 3.75 41.50 16 d堆肥环境中易碎 [61]