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US 2026/0109861 A1Published application
Method for manufacturing construction parts from recycled residual bituminous material and recycled polyethylene
AssigneeKatevara OÜ
InventorJüri LIIV
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Abstract
The present invention provides method for manufacturing construction parts from recycled residual bitumen material and recycled polyethylene. The cleaned and shredded residual bituminous material, which is bitumen-containing roofing material, is mixed with shredded recycled polyethylene in a heated mixer. Stabilizers and fillers are added to the mixture. Construction parts are made from the resulting mixture by pressing or molding.
Claims3
A method for manufacturing construction parts from recycled residual bituminous material and recycled polyethylene, characterized in that the method comprises steps, where
- the residual bituminous material is a recycled roofing material containing bitumen,
- the residual bituminous material is cleaned of foreign substances and shredded into particles with the size of 5 to 50 mm,
- the recycled polyethylene is shredded to the size of 5 to 50 mm,
- the shredded residual bituminous material and shredded polyethylene are mixed in a heated mixer at 170° C. to 250° C. until a homogeneous mixture is obtained,
- additives are added into the mixture, including stabilizers and fillers, and the mixture is allowed to react for 10 to 100 minutes,
- construction parts are made from the resulting mixture by pressing or molding, and
- the molded or pressed construction parts are allowed to cool down.
4 more elements
Dependencies are inferred from the claim text.