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专利名称:Multilayer Films, Their Methods Of
Production, and Articles Made Therefrom
发明人:David R. Weisinger申请号:US13309670申请日:20111202
公开号:US20120196061A1公开日:20120802
摘要:This invention relates to a film including (i) at least one sealing layer, includinggreater than 50.0 wt. %, based on the total weight of the sealing layer, of a modifier, themodifier including a copolymer of propylene derived units and one or more comonomersselected from the group consisting of Cand Cto Calpha-olefin derived units, wherein thecomonomer content is in the range of about 2.0 to 25.0 wt. %; and (ii) at least one corelayer, including a polymer having a propylene derived unit content of greater than 90 wt.%, based on the weight of the polymer; and wherein the film has a seal initiationtemperature of 105° C. or less; and wherein when a seal is formed, the sealed film has ahermeticity of 65% or more. The invention also relates to methods to produce such films,articles including such films, and the use of such films to form heat sealed articles.
申请人:David R. Weisinger
地址:Houston TX US
国籍:US
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