Abstract
In the construction sector, polysulphide technologies are available in the form of joint sealants and protective coatings. Until the late 1970s and early 1980s polysulphides were widely used as construction, civil engineering and insulated-glass sealants. Competition arrived with the introduction of polyurethanes and silicone sealants, which offer better ultraviolet (UV) and ozone resistance and a wider colour range. However, some recent advances in polysulphide technology have led to a resurgence in the popularity of polysulphide systems as sealants and protective coatings. The properties that make them useful are:
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excellent oil and solvent resistance;
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water and sewage resistance;
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low-temperature and high-temperature resistance.
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Further reading
Barbier, J.W., Hanhela, P.J., Huang, R.H. and Paul, D.B. (1990) Effect of temperature on storage life of polysulfide aircraft sealants. Polymer Testing 9(5), 291–313.
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Hanhela, P.J., Hook, R.J. and Paul, B. (1994) Polysulfide sealant compositions: interactions between elemental sulfur and organosulfur compounds. Journal of Applied PolymerScience 51(8), 1441–52.
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Irfan, M.H. (1998). Polysulphides in the construction industry. In: Chemistry and Technology of Thermosetting Polymers in Construction Applications. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4954-9_7
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DOI: https://doi.org/10.1007/978-94-011-4954-9_7
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