Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Peiguang Zhou0
Timothy James Blenke0
Date of Patent
December 15, 2009
Patent Application Number
11550595
Date Filed
October 18, 2006
Patent Primary Examiner
Patent abstract
The present invention is generally directed to adhesive compositions comprising selected ratios of crystalline and amorphous polymers. In some versions of the invention, polymers capable of existing in different configurations (e.g., a polymer such as polypropylene which can exist in an atactic, syndiotactic. or isotactic configuration) is used to prepare adhesives of the present invention. As an example, a selected amount of isotactic polypropylene is blended with a selected amount of atactic polypropylene to prepare an adhesive composition having one or more performance properties (e.g., bond strength) that are superior to the performance properties of a conventional hot-melt adhesive.
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