Heat shrinkable film and multilayered film

B - Operations – Transporting – 32 – B

Patent

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B32B 27/06 (2006.01) B32B 27/30 (2006.01) C08J 5/18 (2006.01)

Patent

CA 2083860

A heat shrinkable film or multilayered film comprising at least one layer comprising an EVOH (A) having an average ethylene content of 20 to 60 mol% and an areal shrinkage when immersed in hot water at 90°C for 1 minute of at least 10% and having thermal characteristics satisfying the following condition (i) 1 ? ¦{T(1) - T(2)} - (t(1) - t (2)}¦ ? 20 (i) wherein 1 ? ¦t(1) - T(1)¦ ? 20 in the case of T(1) = T(2) and t(1) = t (2) and wherein T(1) and T(2) represent peak temperature (°C) on the highest temperature side and lowest temperature side respectively in differential scanning calorimetry (DSC) measurement of said EVOH (A) and t(1) and t(2) peak tempera- tures originating from T(1) and T(2), respectively, in DSC measurement of said EVOH having been treated with an alkaline solvent.

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