Investigation of the Shrinkage Behaviour of a Fast Curing Epoxy Resin as a Function of Moisture, Gas Content and the Mixing ratio
Changes in the specific volume during the processing of thermosetting resin systems result in reduced dimensional accuracy of the components due to residual stresses and, in the case of fibre reinforced plastics (FRP), in surface waviness. A specially developed dilatometer is used to characterise the chemical shrinkage close to the process. The tests show a significant influence of the mixing ratio of resin and curing agent, which leads to a reduced chemical shrinkage. An increased moisture content of the resin component tends to lead to a lower chemical shrinkage.
The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)
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