PRODUCTION OF HEAT-SENSITIVE ADHESIVE SHEET

PROBLEM TO BE SOLVED: To produce a heat-sensitive adhesive sheet free from tackiness at normal temperature and exhibiting tacky adhesivity by heating in high production efficiency. SOLUTION: A heat-sensitive adhesive sheet is produced by a adhesive application process to coat a surface of a substrat...

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Bibliographic Details
Main Authors TAKAHASHI IKUO, MIZUMOTO SEIJI
Format Patent
LanguageEnglish
Published 26.09.2000
Edition7
Subjects
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
POLISHES
USE OF MATERIALS AS ADHESIVES
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Summary:PROBLEM TO BE SOLVED: To produce a heat-sensitive adhesive sheet free from tackiness at normal temperature and exhibiting tacky adhesivity by heating in high production efficiency. SOLUTION: A heat-sensitive adhesive sheet is produced by a adhesive application process to coat a surface of a substrate with a delayed adhesive agent composed of a thermoplastic resin, a solid plasticizer and a tackifier and a printing process to print the other face of the substrate. These processes are continuously carried out in the order or reverse order using a printer. The speed of the adhesive application process and the printing process is e.g. about 50-150 m/min. The drying temperature of the adhesive application process is e.g. about 50-100 deg.C. A gravure printer, etc., can be used as the printer. The melting point of the solid plasticizer is e.g. about 70-120 deg.C.
Bibliography:Application Number: JP19990070766