| 摘要 |
FIELD: packaging industry.SUBSTANCE: composite packaging comprises a glass vessel and a cap, sealed thermally on the edge of the vessel. The edge is preliminary treated with metal oxides and/or salts. The cap comprises at least one carrier layer and the lower layer of the thermally sealed polymeric material having a melting temperature exceeding 115°C at which the unsaturated carboxylic acid is grafted.EFFECT: increasing tightness of the closing of the vessel.20 cl, 2 dwg, 1 ex |
