专利名称：Microporous materials and methods of
making the same
发明人：Shannon Kay Hughes,Robert Steven
Kody,James Stephen Mrozinski,Myles LeeBrostrom
申请号：US09825917申请日：20010404
公开号：US20030036577A1公开日：20030220
摘要：Microporous materials and articles are disclosed. The microporous materialscontain a crystallizable propylene-containing polymer, a beta-nucleating agent, and adiluent that is miscible with the polymer at a temperature above the meltingtemperature of the polymer and that phase separates from the polymer at atemperature below the polymer crystallization temperature. The invention is alsodirected to methods of forming the microporous material using thermal induced phaseseparation and subsequent processing.
申请人：3M INNOVATIVE PROPERTIES COMPANY
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