Combined roles of temperature and humidity on cure of a silicone elastomer
A study of the cure kinetics of a one-part water-scavenging silicone elastomer was carried out under conditions of controlled humidity and temperature using rectangular bars subjected to oscillatory torsional shear. Characteristic cure times were obtained from Hsich model fits to the storage modulus...
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Elsevier
2021
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oai:doaj.org-article:623470af8c634024a90717d08bf3423c2021-11-24T04:25:17ZCombined roles of temperature and humidity on cure of a silicone elastomer0142-941810.1016/j.polymertesting.2020.106967https://doaj.org/article/623470af8c634024a90717d08bf3423c2021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941820321966https://doaj.org/toc/0142-9418A study of the cure kinetics of a one-part water-scavenging silicone elastomer was carried out under conditions of controlled humidity and temperature using rectangular bars subjected to oscillatory torsional shear. Characteristic cure times were obtained from Hsich model fits to the storage modulus evolution. A modified Arrhenius-style cure model is proposed that accounts for both the temperature dependence and for the proportionality between rate of cure and concentration of atmospheric water. The 2-parameter model is fitted to a broad dataset and allows accurate predictions of cure times.Matthew T. ElsmoreDavide S.A. De FocatiisElsevierarticleCure modelSiliconeThermal cureHumidityPolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 93, Iss , Pp 106967- (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
Cure model Silicone Thermal cure Humidity Polymers and polymer manufacture TP1080-1185 |
| spellingShingle |
Cure model Silicone Thermal cure Humidity Polymers and polymer manufacture TP1080-1185 Matthew T. Elsmore Davide S.A. De Focatiis Combined roles of temperature and humidity on cure of a silicone elastomer |
| description |
A study of the cure kinetics of a one-part water-scavenging silicone elastomer was carried out under conditions of controlled humidity and temperature using rectangular bars subjected to oscillatory torsional shear. Characteristic cure times were obtained from Hsich model fits to the storage modulus evolution. A modified Arrhenius-style cure model is proposed that accounts for both the temperature dependence and for the proportionality between rate of cure and concentration of atmospheric water. The 2-parameter model is fitted to a broad dataset and allows accurate predictions of cure times. |
| format |
article |
| author |
Matthew T. Elsmore Davide S.A. De Focatiis |
| author_facet |
Matthew T. Elsmore Davide S.A. De Focatiis |
| author_sort |
Matthew T. Elsmore |
| title |
Combined roles of temperature and humidity on cure of a silicone elastomer |
| title_short |
Combined roles of temperature and humidity on cure of a silicone elastomer |
| title_full |
Combined roles of temperature and humidity on cure of a silicone elastomer |
| title_fullStr |
Combined roles of temperature and humidity on cure of a silicone elastomer |
| title_full_unstemmed |
Combined roles of temperature and humidity on cure of a silicone elastomer |
| title_sort |
combined roles of temperature and humidity on cure of a silicone elastomer |
| publisher |
Elsevier |
| publishDate |
2021 |
| url |
https://doaj.org/article/623470af8c634024a90717d08bf3423c |
| work_keys_str_mv |
AT matthewtelsmore combinedrolesoftemperatureandhumidityoncureofasiliconeelastomer AT davidesadefocatiis combinedrolesoftemperatureandhumidityoncureofasiliconeelastomer |
| _version_ |
1718415978054811648 |