Research on the Thermal Aging Mechanism of Polyvinyl Alcohol Hydrogel.

Chunkun Chen, Xiangyang Liu, Jiangtao Wang, Haoran Guo, Yingjun Chen, Ningfei Wang

Abstract read

In one paragraph

Article in Polymers, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it

0cells of the map it votes in

2citing 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

2 citing papers in PubMed.

Freeze-Thaw-Induced Hybrid Porous PVA/PEG Hydrogels with Dynamic Load-Dissipation Capability for Cartilage Substitutes.Gels (Basel, Switzerland) · 2026
Article
Design and Processing of Novel PBS/PVOH Blown Films for Food Packaging: Effect of PVOH Phase Structuring on Morphology and Functional Performance.Polymers · 2026
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

6 authors.

Chunkun ChenSchool of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China.

Xiangyang LiuSchool of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China.

Jiangtao WangSchool of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China.

Haoran GuoSchool of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China.

Yingjun ChenSchool of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China.

Ningfei WangSchool of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Polyvinyl alcohol (PVA) hydrogels find applications in various fields, including machinery and tissue engineering, owing to their exceptional mechanical properties. However, the mechanical properties of PVA hydrogels are subject to alteration due to environmental factors such as temperature, affecting their prolonged utilization. To enhance their lifespan, it is crucial to investigate their aging mechanisms. Using physically cross-linked PVA hydrogels, this study involved high-temperature accelerated aging tests at 60 °C for 80 d and their performance was analyzed through macroscopic mechanics, microscopic morphology, and microanalysis tests. The findings revealed three aging stages, namely, a reduction in free water, a reduction in bound water, and the depletion of bound water, corresponding to volume shrinkage, decreased elongation, and a "tough-brittle" transition. The microscopic aging mechanism was influenced by intermolecular chain spacing, intermolecular hydrogen bonds, and the plasticizing effect of water. In particular, the loss of bound water predominantly affected the lifespan of PVA hydrogel structural components. These findings provide a reference for assessing and improving the lifespan of PVA hydrogels.

Indexed as

crystallinityhigh-temperature accelerated aginghydrogen bondingmechanical propertymoisture contentPVA hydrogel

Identifiers

PMID39274119

DOI10.3390/polym16172486

PMCPMC11398078

What OpenQuestion holds

Textmetadata

LicenceCC BY

Read underepoch 390

Registered trials

None linked

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.