Invigorating polyurethane foams with phase change materials supported in inorganic containers
Source abstract
Abstract
The present study covers the development and testing of polyurethane (PU) foams modified with phase change materials (PCMs) supported in inorganic silica containers. Two kind of inorganic supports (mesoporous silica and tight silica microcapsules) were selected as representative cases of two alternatives for the preparation of phase change composites: infiltration of PCMs on porous supports and microencapsulation of PCMs. The two types of phase change composites exhibit latent heats of 100–130 J·g −1 and PCM uptakes of 45–60%. The addition of the phase change composites to the formulation of a rigid PU foam promoted subtle changes in the foam growth process which were responsible of a cell‐size contraction and of strengthening the compressive strength in a 27–30%. The thermal performance of the PU foams was tested under isothermal laboratory conditions showing higher thermal storage capacity in doped foams. Additionally, the higher energy storage capacity of the modified foams provides them greater thermal inertia. POLYM. COMPOS., 39:1420–1432, 2018. © 2016 Society of Plastics Engineers
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Research context
OpenAlex topics: Phase Change Materials Research · Polymer composites and self-healing · Adsorption and Cooling Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Surface Chemistry Unit Fundación IK4‐Tekniker, Eibar 20600 Spain
Department of Inorganic Chemistry University of the Basque Country (UPV/EHU) Bilbao E‐48080 Spain
Advanced Materials Group. Acciona Infraestructuras R&D Center Alcobendas 28108 Spain
Funding
Seventh Framework Program (FP7) of the European Community · Basque Country Government
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