Technical Paper Archive

This site contains all papers presented at Rubber Division, ACS Technical Meetings from 2000-2018. Meetings prior to 2000 are incomplete and papers are added as they are digitized.

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Validation of Accumulated Degradation in a Natural Rubber Component by Means of Crosslink Structure Analysis


Event: 156th Technical Meeting (INCOMPLETE)
Location: Orlando, FL
Date: September 21, 1999
Author: Marsha A. Samus
Paper Number: 5

Price: $20.00

  • The role of predictive life-determination of elastomer components is gaining greater importance, due to shortened development time and increased expectations of quality and durability. The conditions to which the consumer exposes an item, however, are rarely as consistent as conventional laboratory test protocols would suggest. It is particularly difficult to define "aggressive" conditions during test development, as these are not only dependent upon consumer usage patterns, but also upon climate and exposure time. Additionally, several degradation mechanisms may be jointly contributing to overall deterioration of properties. This investigation demonstrates the utility of using established analytical methods of microstructure determination to map the crosslink type and density for a sulfur-vulcanized natural rubber component. This information is then used to establish the importance of the degradation mechanisms incorporated into the predictive laboratory test. Laboratory specimens aged under controlled conditions are compared to real-world specimens in
    order to balance the degree of oxidative vs. non-oxidative damage, and to identify regions of heat generation and heat transfer.

    Papers from 156th Technical Meeting (INCOMPLETE)

    Items from 156th Technical Meeting (INCOMPLETE)