The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 07, 2011
Filed:
Jan. 19, 2007
Felix M. Zacarias, Akron, OH (US);
Rachna Mohan, Solon, OH (US);
John Bowers, Mogadore, OH (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
A method of forming a thermoplastic vulcanizate by first providing a melt-blender having a die through which melt-blended thermoplastic vulcanizate passes to form a shaped article; wherein the die comprises a flow design having at least one flow branch having a taper angle and a flow reservoir at the end of each flow branch; and wherein the taper angle of the flow design ranges from 5 to 20 degrees; followed by melt-blending a thermoplastic and an elastomer with an organic peroxide curative in the melt-blender to form a thermoplastic vulcanizate; and finally, passing the melt-blended thermoplastic vulcanizate through the flow design to form the shaped article.