| 摘要 |
<p>Coated paper or cardboard comprises: at least one layer of paper or cardboard, a layer of a coupling agent arranged on the layer of the paper or cardboard, and a layer of a bioplastic arranged on the layer of coupling agent. Coated paper or cardboard comprises: at least one layer of paper or cardboard, a layer of a coupling agent arranged on the layer of the paper or cardboard, and a layer of a bioplastic arranged on the layer of coupling agent; or at least one layer of paper or cardboard, a layer of low-density polyethylene and/or a layer of high-density polyethylene on the layer of paper or cardboard, a layer of a coupling agent on the layer of low-density polyethylene and/or high-density polyethylene, a layer of ethylene vinyl alcohol, ethyl vinyl acetate or polypropylene or another barrier material of plastic with a good barrier effects against the migration of mineral oils on the layer of the coupling agent, and an outer supporting layer on the layer of the barrier material.</p> |
