White, C.
, Hunston, D.
and Williams, S.
(2010),
Studies on the Effect of Movement During the Cure on the Mechanical Properties of Building Joint Sealant, Polymer Engineering and Science
(Accessed October 8, 2024)
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Studies on the Effect of Movement During the Cure on the Mechanical Properties of Building Joint Sealant
Published
Author(s)
, , Sam Williams
Abstract
A novel sealant-testing device was used to continuously monitor the mechanical properties of a one part silicone sealant for movement cycles initiated from 10 h to 168 h after sample creation. These cure times fall between the proposed RILEM TC 139 technical recommendation of 5 min and the ASTM C719 standard of 21 d. Apparently, enough cross-linking occurred prior to testing such that neither the overall movement history of the sample nor the deformation step shapes affected subsequent curing of the sealant. A critical parameter for sealant performance appears to be the extent of cure at the onset of movement.Citation
Polymer Engineering and Science
Pub Type
Journals
Keywords
Strain, Sealant, Movement during Cure, Exposure, ASTM, elastomer, rubber network
Citation
Issues
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Created September 10, 2010, Updated February 19, 2017