The absorption of phase change substances into commonly used building materials

Harri Kaasinen

Research output: Contribution to journalArticleScientificpeer-review

24 Citations (Scopus)

Abstract

The absorption of phase change substances into commonly used building materials was studied with the aid of a small series.
The phase change materials comprised certain technical grades of carboxylic acids and polyalcohols. The specimens used in the absorption tests were prepared from ordinary Finnish building materials. The use of carboxylic acids makes it possible to achieve considerable increases in capacity. However, in order to prevent drainage or leakage, manufactured products must be coated in one way or another after absorption has occured. Porous wallboard exhibits a particularly strong increase in its storage capacity, and that of gypsum board also increases considerably.
Storage capacities achieved with polyalcohols such as neopentylglycol (NPG) were not as high as with carboxylic acids.
The largest increase in storage capacity with NPG occured in the porous wallboard. Depending on the building material, more or less of the NPG evaporated with the water.
Original languageEnglish
Pages (from-to)173-179
JournalSolar Energy Materials and Solar Cells
Volume27
Issue number2
DOIs
Publication statusPublished - 1992
MoE publication typeA1 Journal article-refereed

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Carboxylic Acids
Carboxylic acids
Calcium Sulfate
Phase change materials
Gypsum
Drainage
Water

Cite this

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The absorption of phase change substances into commonly used building materials. / Kaasinen, Harri.

In: Solar Energy Materials and Solar Cells, Vol. 27, No. 2, 1992, p. 173-179.

Research output: Contribution to journalArticleScientificpeer-review

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