Compositions and methods for making EPDM rubber sheeting
AssigneeCarlisle Construction Materials, LLC
InventorsMajid Karimi Nejad, Michael O'Toole, William J. Schneider, Anil Shenoy
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Abstract
The disclosure herein relates rubber sheeting materials. Specifically, the disclosure relates to ethylene propylene diene monomer (EPDM) membranes that include maleic anhydride grafted EPDM. The EPDM rubber membranes may be used for weatherproofing buildings, and in particular, as a membrane for building façade.
Claims14
A composition comprising ethylene propylene diene monomer (EPDM) polymer, maleic anhydride grafted EPDM polymer, silica, titanium dioxide, talc, oil, polyethylene glycol, a silane coupling agent, and an antioxidant, wherein the maleic anhydride grafted EPDM polymer comprises from about 0.5 to about 30 phr, and the silane coupling agent comprises up to about 10 phr.
A membrane comprising EPDM, maleic anhydride grafted EPDM, silica, titanium dioxide, talc, oil, polyethylene glycol, a silane coupling agent, stearic acid, zinc oxide, and an antioxidant, wherein the maleic anhydride grafted EPDM polymer comprises from about 0.5 to about 30 phr, and the silane coupling agent comprises up to about 10 phr.
Dependencies are inferred from the claim text.