Rheological and mechanical Properties of biodegradable polymer Blends based on Polylactic Acid and Polyhydroxybutyrate

被引：0

作者：

Plavec, Roderik ^{[1
]}

Tomanova, Katarina ^{[1
]}

Kalinakova, Leona ^{[1
]}

Feranc, Jozef ^{[1
]}

Vanovcanova, Zuzana ^{[1
]}

Bockaj, Jan ^{[1
]}

Gocalova, Ivana ^{[1
]}

Sarisky, David ^{[1
]}

Alexy, Pavol ^{[1
]}

机构：

[1] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Inst Nat & Synthet Polymers, Bratislava 81237, Slovakia

来源：

KGK-KAUTSCHUK GUMMI KUNSTSTOFFE | 2015年 / 68卷 / 05期

关键词：

Polylactic acid; polyhydroxybutyrate; biodegradable polymer blends; rheological properties; mechanical properties; POLY(LACTIC ACID); MOLECULAR-WEIGHT; POLY(EPSILON-CAPROLACTONE); POLY(L-LACTIDE); PLASTICIZERS;

D O I：

暂无

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The present work is focused on study of rheological and mechanical properties of biodegradable polymer blends based on PLA/PHB combination. Flow curves and processing stability was measured using the oscillation rheometry. Effect of PLA/PHB ratio on processing stability as well as mechanical properties was investigated. Modification of the studied blends was done by application of plasticiser and chain extender. It was found that rate of degradation during the melt processing can be affected by PHB concentration in PLA/PHB blend. The synergic effect was observed at 5% mol of PHB. In that case the minimum of degradation rate was achieved.

引用

页码：29 / 37

页数：9

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