Mechanical Recycling via Regrinding, Rebonding, Adhesive Pressing, and Molding
Increasing amount of polyurethane foams waste (e.g. from the building or furniture industry) produced every year resulted in the intensive development of their recycling methods. This chapter covers most important mechanical recycling methods, i.e. regrinding, rebonding, adhesive pressing, and molding. The procedure, required equipment and chemicals (if needed) for each method were described. The possible applications of the products obtained by mechanical recycling of polyurethane foams (for example flakes, powders or molded parts) were also presented.
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