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开发抗菌热塑性粉与天然油和提取物:结构,机械和热性能

Jorge Luis López Terán¹, Elvia Victoria Cabrera Maldonado¹, Judith Del Carmen Araque Rangel²

¹Grupo de Investigación de Moléculas y Materiales Funcionales (MoléMater), Facultad de Ingeniería Química, Universidad Central del Ecuador, Ritter s/n y Bolivia, Quito E. C. 170521, Ecuador.

|January 23, 2024

概括

将白树,茶树和迷香精油融入热塑性粉 (TPS) 中,可以赋予抗菌性质,而不会显著改变生物降解性. 茶树油度较高提高了TPS的机械性能和结晶性.

科学领域:

材料科学材料科学材料科学
聚合物科学聚合物科学
食品科学食品科学食品科学

背景情况:

热塑性粉 (TPS) 是一种可生物降解的聚合物,在包装中具有潜在的应用.
天然添加剂可以增强TPS特性,但它们对结构和功能的影响需要研究.

研究的目的:

评估 (EO),茶树 (TT) 和迷香 (RO) 精油以及奇里尤约提取物 (CE) 对TPS结构和特性的影响.
评估不同茶树油度对TPS特性的影响.

主要方法:

TPS是由土豆粉,甘油和水制成的.
精油和提取物被添加到0.5g/100g的TPS中 (对TT有所不同).
材料通过挤压和热压成型加工,然后进行表征 (XRD,FTIR,TGA,SEM,机械,抗菌,生物降解性测试).

主要成果:

低度 (0.5g/100g) 的EO,RO和CE对TPS结构 (XRD,FTIR,TGA) 的影响最小.
所有添加剂都具有抗微生物活性;在低度下,土壤中的生物降解性基本保持不变.
在TPS (60TPS) 中增加的TT度改变了结晶性,增强了模量,保持了抗菌活性,并延迟了土壤生物降解.

结论:

精油和Chiriyuyo提取物可以纳入TPS,以提供抗菌益处.
茶树油显示出改变TPS机械性能和结晶性的潜力,这对受控生物降解有影响.

关键词:

抗微生物活性的抗微生物活性.可生物降解,可生物降解.生物聚合物生物聚合物精油精油精油精油热塑性粉热塑性粉

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