摘要 |
A breathable, heat-sealable, composite film comprising a perforated polymeric substrate layer having a first and second surface and disposed on a surface of the substrate layer an unperforated barrier layer wherein: (i) the thickness of the unperforated barrier layer is no more than about 12 pm; and (ii) the perforated substrate layer has a degree of perforation of from about 0. 1 to about 78%, wherein the perforations have an average diameter of between 0.05 and 1.5 mm; and a process for the production thereof, suitable for use in the packaging of freshly cut plants such as flowers, vegetables, fruits and salads. |
申请人 |
DUPONT TEIJIN FILMS U.S LIMITED PARTNERSHIP;SANKEY, STEPHEN, WILLIAM;EVANS, KEN;MOUSSALLI, PIERRE, G., O.;FRANZYSHEN, STEPHEN, KEITH;VOISIN, DAVID |
发明人 |
SANKEY, STEPHEN, WILLIAM;EVANS, KEN;MOUSSALLI, PIERRE, G., O.;FRANZYSHEN, STEPHEN, KEITH;VOISIN, DAVID |