The effects of some chemical components of polyurethane sealants on their resistance against hot water

The effect of hot-water immersion on the degradation of polyurethane sealants was reviewed. Polyurethane sealants made from a hydrophobic polyol was shown to exhibit persistent hot water resistance than those made from the commonly used polypropylene glycol diol. Compromise between adhesion, cohesio...

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Bibliographic Details
Published in:Building and environment 2003-12, Vol.38 (12), p.1381-1384
Main Author: Chew, M.Y.L.
Format: Article
Language:English
Subjects:
Elastic recovery
Hot water immersion
Polyurethane
Sealant
Tropics
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Summary:The effect of hot-water immersion on the degradation of polyurethane sealants was reviewed. Polyurethane sealants made from a hydrophobic polyol was shown to exhibit persistent hot water resistance than those made from the commonly used polypropylene glycol diol. Compromise between adhesion, cohesion, water swelling and thermal oxidation is discussed.
ISSN:0360-1323
1873-684X
DOI:10.1016/S0360-1323(03)00142-2