It is possible to recover the monomer from pmma scrap by depolymerization.
How to recycle acrylic sheets.
Sheet plastic recycling acrylic or polycarbonate resin is a multi step process that requires very specialized equipment.
Acrylic sheets are certainly in high demand at the moment almost every shop you go into has huge clear plastic sheets around the tills and between you and other customers.
Production sheet scrap is sorted chopped melted and extruded into plastic pellets.
The molten liquid is put in mold plates and then taken to a pressurized oven for a period of 12 hours making the acrylic plates again.
Like nylon it s considered a group 7 plastic and mostly not collected for recycling.
It is also claimed that acrylic scrap can be melted in a high temperature furnace after separation and grinding.
Acrylic plastic is not recycled easily.
It is possible to form large pieces into useful objects in case they have not suffered crazing stress or cracking.
Recycling scrap by melting.
This normally involves subjecting the resin to pyrolysis.
Indeed items like acrylic furniture parts are 100 recyclable and have a very long lifespan.
Pmma the key type of acrylic can be recycled in several ways.