POLYESTER BASED HOT MELT ADHESIVE COMPOSITION AND ADHESIVE FILM/SHEET FORMED BY USING THE SAME

PROBLEM TO BE SOLVED: To obtain a polyester-hot-melt adhesive composition capable of manifesting and maintaining temporary adhesiveness by adjusting tack strength at an ordinary temperature by controlling surface roughness, and to prepare an adhesive film/sheet formed by using the same. SOLUTION: Th...

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Bibliographische Detailangaben
Hauptverfasser:	MOCHIDA TETSUYA, HAYASHI KAZUNORI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CALCULATING CHEMISTRY COMPUTING COUNTING DYES HANDLING RECORD CARRIERS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PHYSICS POLISHES PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a polyester-hot-melt adhesive composition capable of manifesting and maintaining temporary adhesiveness by adjusting tack strength at an ordinary temperature by controlling surface roughness, and to prepare an adhesive film/sheet formed by using the same. SOLUTION: This adhesive composition is incorporated with 5-100 pts.wt. of an adhesion imparting agent comprising 2-50 pts.wt. of a non-crystalline saturated polyester resin whose Tg and molecular weight are respectively 50 to 100 deg.C and 1500-35000 and a terpene phenol based resin whose Tg is 30-130 deg.C per 100 pts.wt. of a crystalline saturated polyester resin whose Tg and molecular weight are respectively -75 to -40 deg.C and 1000-50000.