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US 12,110,382 B2Granted
Polyolefin microporous membrane
AssigneeAsahi Kasei Kabushiki Kaisha
InventorsAkihisa Yamashita, Manabu Sekiguchi
Life of this patent
Estimating the term…
Abstract
Provided is a polyolefin microporous membrane having a loss tangent (tan δ) at 230° C. of 0.35 or more and less than 0.60 in melt viscoelasticity measurement.
Claims13
A polyolefin microporous membrane having a loss tangent (tan δ) at 230° C. of 0.35 or more and less than 0.60 in melt viscoelasticity measurement.
Dependencies are inferred from the claim text.