Treatments to accelerate degradation of plastics

A plastics degrading system, comprising:

• a shredder;
• a plastic feed passing through the shredder;
• a solvent contacting the plastic feed;
• wherein the plastic feed is in the form of a film or sheet;
• wherein the shredder comprises a pair of rollers disposed below, in the direction of gravity, a hinged trap door, wherein the trap door has a first edge opposite to a side having a hinge, and the first edge is adjacent a fixed surface, and a cam wheel positioned against the trap door such that rotation of the cam wheel periodically cycles the trap door between an open position and a closed position in which the first edge is pressed toward the fixed surface such that the plastic feed is held between the first edge and the fixed surface;
• and
• wherein the shredder optionally further comprises one or any combination of the following:
• a serrated or knurled cutting blade adapted to indent the plastic feed as it goes through the shredder;
• blades that are angled or with a spacing to form cutters configured to increase tension on the plastic feed as it passes through the blades;
• a spring loaded pair of blades;
• at least two pairs of rollers that are adapted to stretch pieces of the plastic feed held between the pairs of rollers;
• a serrated die and a movable blade tooth configured such that pieces of the plastic feed contacts and is held by a surface of the serrated die and the movable blade tooth engages and pulls the feed to generate tension in the feed.