Back to results
US 9,255,366 B2Granted
Concrete screed with recycled rubber from discarded tyres
AssigneeItalcementi S.p.A.
InventorsAlessandro Morbi, Marcello Antonio Molfetta, Sara Sgobba
Life of this patent
Estimating the term…
Abstract
It is disclosed a concrete screed with recycled rubber from discarded tyres (PFU), comprising cement, pre-treated recycled rubber from discarded tyres, with particle size comprised between 0.1 and 20 mm, preferably between 1 and 10 mm, still more preferably between 2 and 5 mm, pre-treated, inert materials, polymeric additives and water.
Claims11
A concrete screed with recycled rubber from discarded tires (PFU), comprising cement, recycled rubber from discarded tires pre-treated, with a grain size between 0.1 and 20 mm, inert materials, polymeric additives and water;
- wherein said conglomerate presents
- Compression strength greater than 5 MPa and
- modulus of elasticity greater than 10 GPa, said recycled rubber from discarded tires (PFU) being pre-treated using PFU storage in water for between 7 days and 40 days or by washing of the PFU with latex.
Dependencies are inferred from the claim text.