Evidence map›Paper›PMID 42157396›Full record

ArticleMacromolecular rapid communications2026

Unveiling Distinct Humidity Sensitivity of Relaxation Properties in Vitrimer-Like Materials with Hydrophilic, Bond Exchangeable Domains.

Mikihiro Hayashi, Maho Suzuki, Shinji Suzuki, Koichi Mayumi, Yasuhito Suzuki, Shota Usukawa, Takumitsu Kida

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Macromolecular rapid communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Article
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

7 authors.

Mikihiro HayashiDepartment of Life Science and Applied Chemistry, Graduated School of Engineering, Nagoya Institute of Technology, Nagoya, Japan.
Maho SuzukiDepartment of Life Science and Applied Chemistry, Graduated School of Engineering, Nagoya Institute of Technology, Nagoya, Japan.
Shinji SuzukiDepartment of Life Science and Applied Chemistry, Graduated School of Engineering, Nagoya Institute of Technology, Nagoya, Japan.
Koichi MayumiThe Institute for Solid State Physics, The University of Tokyo, Kashiwa, Japan.ORCID https://orcid.org/0000-0002-1976-3791
Yasuhito SuzukiDepartment of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, Osaka, Japan.ORCID https://orcid.org/0000-0002-5177-4079
Shota UsukawaDepartment of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, Osaka, Japan.
Takumitsu KidaPRESTO, Japan Science and Technology Agency, Kawaguchi, Japan.ORCID https://orcid.org/0000-0002-9494-3004

Funding

High Energy Accelerator Research Organization in Tsukuba, Japan 25G012PRESTO JPMJPR23N7University of Tokyo 24545
6 · The paper itself

Abstract

Trans-N-alkylation reactions have frequently served as bond exchange mechanisms in vitrimer-like materials, enabling sustainable functionality governed by relaxation dynamics. As a unique class of these materials, we have studied nano-phase-separated systems containing nanodomains of quaternized pyridines that undergo trans-N-alkylation bond exchange. In these designs, the nanodomains arise from the hydrophilic character of quaternized pyridines. In this work, we reveal moisture sensitivity in our original systems, particularly with respect to their relaxation dynamics. Before the main results of relaxation properties, we experimentally assess the hydrophilic nature of quaternized domains by small-angle neutron scattering, using deuterated water. We then perform rheological measurements under controlled humidity, revealing a pronounced humidity effect on bond exchange-based relaxation. We likewise perform the same measurements for control bond exchangeable systems lacking hydrophilic components; humidity effects are evident on segmental relaxation but not decisively evident on bond exchange-based relaxation. This insight offers an eco-friendly route for temporally tuning the relaxation dynamics of bond exchangeable network materials containing specifically hydrophilic units.

Indexed as

HumidityPyridinesAlkylationHydrophobic and Hydrophilic InteractionsRheologyWaterPyridinesWaterhumidityquaternizationrelaxationTrans‐N‐alkylationvitrimer

Identifiers

PMID42157396
PMCPMC13434984

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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.