Separation or compatibilization? Alternative recycling solutions emerge.

Plastics Technology, January, 1998 by Knights, Mikell

For recycling mixed or contaminated plastics waste, you can either separate the different ingredients or find some way to compatibilize the mixture so that it results in useful properties. New ways to accomplish both were presented at the SPE's Fourth Annual Recycling Conference, held recently in Chicago. Another paper at the conference showed that in the case of paint removal from automotive plastics, a certain amount of contamination may be allowed without sacrificing valuable material properties.

GIVE SEPARATION A WHIRL

Delamination of hard-to-separate composite or multi-component materials without use of heat or volatile solvents is said to be possible with a new process developed by Result Technology AG of Mammern, Switzerland. The company's...

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