Cascade use indicators for selected biopolymers: Are we aiming for the right solutions in the design for recycling of bio-based polymers?

被引：26

作者：

Hildebrandt, Jakob ^{[1
]}

Bezama, Alberto ^{[1
]}

Thraen, Daniela ^{[1
,2
]}

机构：

[1] Helmholtz Ctr Environm Res, Permoserstr 15, D-04318 Leipzig, Saxony, Germany

[2] Deutsch Biomasseforschungszentrum DBFZ, Leipzig, Germany

来源：

WASTE MANAGEMENT & RESEARCH | 2017年 / 35卷 / 04期

关键词：

Design for recyclability; bio-based polymers; system analysis; cascade use; LIFE-CYCLE ASSESSMENT; SUSTAINABILITY; ADDITIVES;

D O I：

10.1177/0734242X16683445

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

When surveying the trends and criteria for the design for recycling (DfR) of bio-based polymers, priorities appear to lie in energy recovery at the end of the product life of durable products, such as bio-based thermosets. Non-durable products made of thermoplastic polymers exhibit good properties for material recycling. The latter commonly enjoy growing material recycling quotas in countries that enforce a landfill ban. Quantitative and qualitative indicators are needed for characterizing progress in the development towards more recycling friendly bio-based polymers. This would enable the deficits in recycling bio-based plastics to be tracked and improved. The aim of this paper is to analyse the trends in the DfR of bio-based polymers and the constraints posed by the recycling infrastructure on plastic polymers from a systems perspective. This analysis produces recommendations on how life cycle assessment indicators can be introduced into the dialogue between designers and recyclers in order to promote DfR principles to enhance the cascading use of bio-based polymers within the bioeconomy, and to meet circular economy goals.

引用

页码：367 / 378

页数：12

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