LAMINATE, PACKAGING MATERIAL, AND PACKAGING CONTAINER

• Main Author: TAKASUGI YUYA
• Format: Patent
• Language: English; Japanese
• Published: 07.04.2023
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

To improve a content ratio of polyethylene in a laminate having a stretchable base material having a polyethylene base material layer and a functional resin layer, and a polyethylene layer as a sealant layer.SOLUTION: A laminate has a stretchable base material and a sealant layer, wherein the stretchable base material has a base material layer containing polyethylene as a main component and a first functional resin layer, the sealant layer has a polyethylene layer containing polyethylene as a main component and a second functional resin layer, and the laminate has an extrusion resin layer containing polyethylene as a main component between the stretchable base material and the sealant layer.SELECTED DRAWING: Figure 1 【課題】ポリエチレン基材層及び機能性樹脂層を有する延伸基材と、シーラント層としてのポリエチレン層とを備える積層体における、ポリエチレンの含有割合を向上させる。【解決手段】延伸基材と、シーラント層とを備える積層体であって、延伸基材が、ポリエチレンを主成分として含有する基材層と、第１の機能性樹脂層とを備え、シーラント層が、ポリエチレンを主成分として含有するポリエチレン層と、第２の機能性樹脂層とを備え、積層体が、延伸基材とシーラント層との間に、ポリエチレンを主成分として含有する押出樹脂層を備える、積層体。【選択図】図１