Sustainable polymer production

被引：88

作者：

Braunegg, G ^{[1
]}

Bona, R ^{[1
]}

Koller, M ^{[1
]}

机构：

[1] Graz Univ Technol, Inst Biotechnol, A-8010 Graz, Austria

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2004年 / 43卷 / 06期

关键词：

polyhydroxyalkanoates; renewable carbon sources; sustainability;

D O I：

10.1081/PPT-200040130

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 [高分子化学与物理]; 080501 [材料物理与化学]; 081704 [应用化学];

摘要：

Sustainable biotechnological production of polyhydroxyalkanoates from renewable resources is an alternative to chemical polyster production from mineral oils. The polymers produced are biodegradable, and due to their characteristics can be used for the production of packaging materials. Many different prokaryotic microorganisms are known to accumulate polyhydroxyalkanoates intercellularly under growth limiting conditions; some of them are able to produce copolyesters from precursors added to the production medium. Production normally is done in a fed-batch process, but PHA production kinetics suggest that continuous production in a chemostat might be favorable. After biomass separation the polyester is extracted from the biomass and refined.

引用

页码：1779 / 1793

页数：15

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