Thermal behavior of flexible and breathable sandwich fibrous polyethylene glycol (PEG) encapsulations

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24410%2F24%3A00012191" target="_blank" >RIV/46747885:24410/24:00012191 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.1177/00405175241236494" target="_blank" >https://doi.org/10.1177/00405175241236494</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1177/00405175241236494" target="_blank" >10.1177/00405175241236494</a>

Result language

angličtina

Original language name

Thermal behavior of flexible and breathable sandwich fibrous polyethylene glycol (PEG) encapsulations

Original language description

Textiles incorporating phase change material have attracted increasing attention due to their temperature regulating function. Although a great progress has been made in the development of phase change material textiles, it has been found that the loading amount of phase change materials is limited by other final properties. Recently, we have proposed a sandwich fibrous phase change material encapsulation with a relatively high phase change material loading amount, which is a multi-layer fabric structure containing phase change material. However, the breathability of sandwich fibrous phase change material encapsulation should be improved because there is no path for air to penetrate through. In this work, the sandwich fibrous phase change material encapsulation structure with polyethylene glycol as phase change material is modified by introducing different air pockets in the thermal function layer ranging from 19% to 64%. The leakage phenomenon, phase transition behavior, thermal energy storage, breathability, T-history and practicality of the breathable sandwich fibrous phase change material encapsulations are investigated. As a result, the maximum polyethylene glycol loading amount of the phase change materials pocket is 83 wt%, and there is no leakage of polyethylene glycol during working time. The overall enthalpy value of the breathable sandwich fibrous phase change material encapsulation ranges from 27 J/g to 48 J/g. The optimal air permeability and water vapor resistance of the breathable sandwich fibrous phase change material encapsulation is 9 mm/s under 100 Pa and 34.5 m2 Pa W−1. Furthermore, the heterogeneous heat transfer through the breathable sandwich fibrous phase change material encapsulation is found due to the complicated thermal resistances of the hybrid thermal functional layer. In addition, for breathable sandwich fibrous phase change material encapsulation, the flexibility, hydrophobicity, self-cleaning property, abrasion resistance, and stability after water immersion are found. We believe the research has a great potential in various applications related to phase change material.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20503 - Textiles; including synthetic dyes, colours, fibres (nanoscale materials to be 2.10; biomaterials to be 2.9)

Project

<a href="/en/project/GM21-32510M" target="_blank" >GM21-32510M: Advanced structures for thermal insulation in extreme conditions</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Textile Research Journal

ISSN

0040-5175

e-ISSN

—

Volume of the periodical

94

Issue of the periodical within the volume

15-16

Country of publishing house

GB - UNITED KINGDOM

Number of pages

21

Pages from-to

1703-1723

UT code for WoS article

001184829100001

EID of the result in the Scopus database

2-s2.0-85187884649