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Combining polyethylene and polypropylene: Enhanced performance with PE/ i PP multiblock polymers
Abstract
How to make opposites compatible: Polyethylene (PE) and isotactic polypropylene ( i PP) are the two most widely used commodity plastics and thus make up a large fraction of the waste stream. However, the two plastics will not mix together, which limits options for dealing with mixed waste and decreases the value of recycled products. Eagan et al. report the synthesis of multiblock copolymers of i PP and PE by using a selective polymer initiator (see the Perspective by Creton). The high-molecular-weig ht blocks could be used to reinforce the interface between i PP and PE and allow blending of the two polymers. Science , this issue p. 814 ; see also p. 797
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“Mixtures of PE and PP are difficult to separate, do not homogeneously blend, and result in materials with compromised properties”
From Chemically recyclable polyolefin-like multiblock polymers (2023) · cites this paper as [32]
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Metadata
- Authors
- Eagan, J. M., Xu, J., Di Girolamo, R., Thurber, C. M., Macosko, C. W., LaPointe, A. M., Bates, F. S., & Coates, G. W.
- Affiliations
- Cornell University (US)
- University of Minnesota (US)
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, NY 14853, USA.
- Corresponding author
- LaPointe, Anne M.
- Bates, Frank S.
- Coates, Geoffrey W.
- ORCID
- Venue
- Science
- Published
- 2017-02-24
- Volume
- 355
- Issue
- 6327
- Pages
- 814-816
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2591549032
- Cited by
- 654
- References
- 25
- Citations by year
- 2026: 85 · 2025: 107 · 2024: 79 · 2023: 68 · 2022: 79 · 2021: 63 · 2020: 65 · 2019: 54 · 2018: 35 · 2017: 19
- FWCI
- 27.05
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Science Foundation (award295738, CHE-1413862)
- Topics
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
- Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
- Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
- Keywords
- polyethylene, isotactic polypropylene, multiblock copolymers, polymer blending, polymer compatibility, polymer recycling, plastic waste
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