EXTRUDABLE PRESSURE SENSITIVE ADHESIVE BASED ON POLYBUTENE-1 POLYMER AND A STYRENE COPOLYMER SUITABLE FOR RECLOSABLE PACKAGINGS

• Main Authors: QUEISSER, ANDREA, HEEMANN, MARCUS, SCHEEREN, THOMAS, KASPER, DIRK
• Format: Patent
• Language: English; Polish
• Published: 31.01.2020
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DYES; 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; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PERFORMING OPERATIONS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS AS ADHESIVES

The present invention relates to a pressure sensitive adhesive composition comprising, i) at least one butene-1 (co)polymer; ii) at least one liquid tackifier; iii) at least one solid tackifier; iv) at least one styrene copolymer; v) optionally at least one further (co)polymer, different from i) and iv); vi) optionally at least one additive. Furthermore, the use of the pressure sensitive adhesive composition according to the invention as closing mean for a packaging unit for foods, for packaging units to be heated in a microwave or oven, for a closing mean for packaging unit for drugs, hygienic tissues, cleaning tissues or cosmetic tissues. An article comprising the pressure sensitive adhesive composition according to the invention and a method of obtaining the article.