Correlation Between in Vitro Elastomeric Force Degradation and Glass Transition Temperature determined by Dynamic Mechanical Analysis

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Title:	Correlation Between in Vitro Elastomeric Force Degradation and Glass Transition Temperature determined by Dynamic Mechanical Analysis
Authors:	Manu Krishnan Seema, S Sukumaran, K Abraham, K M
Keywords:	Force degradation of elastomers Glass transition temperature Dynamic mechanical analysis
Issue Date:	22-Sep-2012
Publisher:	JAYPEE
Citation:	Journal of Indian Orthodontic Society 46(4):193-198
Abstract:	Elastomeric products from two different manufacturers (Groups A and B) were compared for their force decay in an in vitroexperiment for 4 weeks. Force values (F) were measured at 0 hour, 1 hour, 24 hours, 1, 2, 3 and 4 weeks. Samples were subjected to DMA for its corresponding Tg. Mean force and Tg were compared with one-way analysis of variance (ANOVA) and post-hoc Duncan multiple range test. Two-way ANOVA was used to assess the effects between Groups and different time periods. Relationship between force and Tg were studied with regression analysis
URI:	http://hdl.handle.net/123456789/2515
Appears in Collections:	2012

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