THERMOPLASTIC ELASTOMER COMPOSITION, METHOD FOR BONDING MOLDED ARTICLE THEREOF TO MOLDED ARTICLE, COMPOSITE MOLDED ARTICLE CONTAINING MOLDED ARTICLE THEREOF AND MEDICAL INFUSION SET HAVING COMOPISITE MOLDED ARTICLE

• Main Authors: NAKAMURA TAKEO, AOYAMA AKIO
• Format: Patent
• Language: English
• Published: 01.02.2007
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; DYES; HUMAN NECESSITIES; HYGIENE; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METALLURGY; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PERFORMING OPERATIONS; POLISHES; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS AS ADHESIVES; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition excellent in adhesion to a polar resin and to provide a bonding method and a composite molded article and a medical infusion set each using the elastomer composition. SOLUTION: The thermoplastic elastomer composition comprises (A) 85-98 mass% syndiotactic 1,2-polybutadiene having ≥70% 1,2-bond content and having 5-50% degree of crystallization and (B) 2-15 mass% styrene-butadiene-styrene and/or styrene-isoprene-styrene block copolymer having 35-45 mass% styrene content, wherein the component (A)+ the component (B)=100 mass%. COPYRIGHT: (C)2007,JPO&INPIT