Evidence map›Paper›PMID 42139337›Full record

ArticleScience advances2026

Polyolefin blends with co-continuous architectures enabled by dynamic covalent crosslinking.

Eliza K Neidhart, Stephanie M Ribet, Taehyun A Lee, Logan Kearney, Karen C Bustillo, Eric A Dailing, Mutian Hua, Colin Ophus, Sophia N Fricke, Ah-Young Song and 5 more

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Science advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors.

Eliza K NeidhartDepartment of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Stephanie M RibetNational Center for Electron Microscopy, Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.ORCID 0000-0002-7117-066X
Taehyun A LeeDepartment of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.ORCID 0009-0001-0967-8286
Logan KearneyChemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.ORCID 0000-0003-0811-3483
Karen C BustilloNational Center for Electron Microscopy, Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.ORCID 0000-0002-2096-6078
Eric A DailingThe Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.ORCID 0000-0002-2299-7783
Mutian HuaThe Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.ORCID 0000-0002-4079-316X
Colin OphusDepartment of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA.ORCID 0000-0003-2348-8558
Sophia N FrickeDepartment of Chemical and Biomolecular Engineering, University of California Berkeley, Berkeley, CA 94720, USA.ORCID 0000-0002-0183-466X
Ah-Young SongCollege of Chemistry Pines Magnetic Resonance Center, University of California Berkeley, Berkeley, CA 94720, USA.ORCID 0000-0001-7931-0148
Jeffrey A ReimerDepartment of Chemical and Biomolecular Engineering, University of California Berkeley, Berkeley, CA 94720, USA.ORCID 0000-0002-4191-3725
Erik J AlexanianDepartment of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.ORCID 0000-0002-0256-2133
Joanna M AtkinDepartment of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.ORCID 0000-0002-1211-5193
Brett A HelmsThe Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.ORCID 0000-0003-3925-4174
Frank A LeibfarthDepartment of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.ORCID 0000-0001-7737-0331

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Blending polymers produces brittle materials due to macrophase separation and poor interfacial adhesion, which is exemplified by mixtures of polyolefins. This presents a formidable challenge for the mechanical recycling of mixed plastic waste. Here, we demonstrate that dynamic covalent crosslinking of immiscible polyolefin blends creates macrophase separated co-continuous architectures, yet they display excellent mechanical properties, which challenges the conventional wisdom regarding morphology-property relationships in polymer blend compatibilization. We find that the position and orientation of dynamic crosslinks and their influence on crystallinity are key to understanding the structure-morphology-property relationships. In particular, high-resolution microscopy imaging reveals alignment of crystallite planes with strong orientational preference, particularly at polymer-polymer interfaces, which contribute to material performance. We further demonstrate that changes in crosslinker density and valency allow the properties of binary and ternary polyolefin blends to be tuned in a modular fashion.

Identifiers

PMID42139337
PMCPMC13178546

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.