ADHESIVE RESIN COMPOSITION, LAMINATE FILM, PACKAGING MATERIAL AND PACKAGING CONTAINER

• Main Author: NISHIJIMA KOICHI
• Format: Patent
• Language: English; Japanese
• Published: 18.08.2016
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; 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; DYES; 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; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PAINTS; PERFORMING OPERATIONS; POLISHES; STORING; TRANSPORTING; USE OF MATERIALS AS ADHESIVES

PROBLEM TO BE SOLVED: To provide an adhesive resin composition achieving both of adhesiveness to a container, at least surface material of which is resin, and easy detachability capable of detaching easily and smoothly during detachment after adhesion.SOLUTION: There is provided an adhesive resin composition containing resin A which is one of an ethylene polymer and an ethylene vinyl acetate copolymer, resin B incompatible to the resin A and a tackifier resin and having tensile strength of 2 MPa or more and 15 MPa or less and elongation of 50% or more and 500% or less with thickness of 2 mm measured according to JIS-K6760.SELECTED DRAWING: None 【課題】少なくとも表面材質が樹脂である容器に対する接着性、及び接着後の剥離時に容易にかつ滑らかに剥離し得る易剥離性を両立した接着性樹脂組成物を提供する。【解決手段】エチレン重合体及びエチレン・酢酸ビニル共重合体の少なくとも一方の樹脂Ａと、前記樹脂Ａに非相溶の樹脂Ｂと、粘着付与樹脂と、を含有し、ＪＩＳ−Ｋ６７６０に準拠して測定した２ｍｍ厚での、引張強度が２ＭＰａ以上１５ＭＰａ以下であり、伸びが５０％以上５００％以下である接着性樹脂組成物である。【選択図】なし