Packaging films coated with polyurethane

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/40 (2006.01) C08G 18/08 (2006.01) C08G 18/66 (2006.01) C08J 7/04 (2006.01)

Patent

CA 2174288

Packaging films are coated with a polyurethane which bears hydro- philic groups which make the polyurethane water-dispersible and which has a melting point of from 20 to 70 C, with the enthalpy of fusion in this temperature range being at least 20 J/g.

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