Fibrillated foam article
Assignee3M Innovative Properties Company
InventorsMario A. Perez, Christopher K. Haas
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Abstract
A fibrillated foamed article and process for producing the same is described. The fibrillated articles are useful as tape backings, filters, thermal and acoustical insulation and as a diffuse reflector for use in optical applications such as computer displays and as reinforcement fibers for polymers or cast building materials such as concrete.
Claims14
An oriented, high melt strength polypropylene foam having a fibrillated surface wherein said high-melt-strength polypropylene comprises homo- and copolymers containing 50 weight percent or more propylene units, and having a melt-strength in the range of 25 to 60 cN at 190° C.
Dependencies are inferred from the claim text.