Community Research and Development Information Service - CORDIS

Method for analysis the shearing of long chain polymer by chromatograph

Apart from their performance in drag reducing, for their use in pipeline these long chain polymers have to be evaluated from the point of view of their influence in fuels behaviour and performance. One of the aspects that have to be considered is the need to have an analytical method for detecting the presence of those compounds in fuels. In this case this subject appears as especially complex as the Drag Reducing Agents (DRA) can be in the fuel in many different shearing grades.

The work covers the evaluation of HPLC-GP test procedure from the point of view of its capability in the identification of DRAs at different shearing levels and the concentration of those additives. The developed procedure allows both determinations of DRAs shearing level (molecular weight) and determination of DRAs concentration.

Overall results of the project allow using polymers for energy saving, which no doubt represent great benefits to European citizens in terms of economy and quality of life. This result allows evaluating an important aspect that could be very useful in the establishment of future specification regarding the use of this product or specifying their presence in some critical fuel. For example, the potential use of these additives in aviation kerosene transportation is now being studied - although there are still some open questions regarding this possibility, the existence of an analytical method able to detect additive presence in fuel and their molecular size can be (after standardization with different laboratories) a usefull tool to additive approval.

From the point of view of dissemination, the protocol is a whole public result and will be disseminated in a thesis for PhD grade.

From the point of view of using the result, it has already been included in CLH normal activity and is a test that is being carried out as CLH normal activity.

From the point of view of the commercialisation of the result, as CLH centro de Ensayos is also an independent laboratory, this protocol will be offered as an external service to third companies, (manufacturers or users of these additives) in case they want to analyse this aspect of additives behaviour.

Besides, the experience accumulated with this analytical technique can be useful in the future to analyse other polymers and standardize new methods that could also be included in CLH centro de Ensayos portfolio.

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