4. PCL implementation
4.1 Films and fibers
At present, the vast majority of PCL applications are injection-molded. Other transformation processes are still little used, if at all.
PCL films and fibers are obtained from generally unreinforced polymers. The fibers, which are made from low-viscosity, low-molecular-weight polymers, are brittle.
In the 1970s, Du Pont de Nemours discovered that post-polymerization of the fibers at a temperature of around 300 C significantly improved their properties, to the point of giving them a strength close to that of Kevlar ® aramid fibers (registered trademark of Du Pont de Nemours).
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PCL implementation
Main PCL applications
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Economic data
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Production. Consumption
PCL's production capacity currently stands at around 20,000 tonnes, for a similar level of consumption.
The main producers are as follows.
The use of PCLs is growing rapidly (double-digit %) due to the evolution of technologies and environmental protection in most industries.
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