| 摘要 |
<p>Disclosed is a film of fiber-reinforced regenerated cellulose having on one surface thereof a gas-impermeable layer and on the other surface thereof a gas-permeable layer, the gas-permeable layer comprising a plurality of linear discontinuities running parallel to one another, distributed across the surface of the layer. Preferably, both the gas-permeable layer and the gas-impermeable layer comprise a vinylidene group-containing copolymer. Also disclosed is a process for producing the film and a seamed tubular casing, preferably a sausage casing, made from the film.</p> |
