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Readily Processable Polyethylene/Low Ethylene EPDM Thermoplastic Vulcanizates

IP.com Disclosure Number: IPCOM000012956D
Publication Date: 2003-Jun-11

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The IP.com Prior Art Database


Commercially available thermoplastic vulcanizates (TPVs) contain EPDM rubber dispersed in a matrix of isotactic polypropylene. Typically, polyethylene has not been used as the matrix thermoplastic because less than optimum compatibility between the plastic phase and EPDM has resulted in poor melt processability. It has been found that EPDM with an appropriate ethylene content leads to improved melt processability.