There are some ion exchange resins that do remove organic ions, such as MIEX (magnetic ion exchange) resins.

Approximately 200,000 tons of alkyd resins are produced each year.

This is achieved by cooling in the case of paraffin wax and heating (curing) in the case of the epoxy resins.

Although all 40 kinds of plastics used in a North American automobile can be recycled, the need to separate and clean them makes using them more expensive than using virgin plastic resins.