Toughened rubber based hot melt adhesive compositions for bookbinding applications

Thus, the present invention is directed to hot melt adhesive compositions suitable for bookbinding application comprising tackifying resins, at least one wax diluent and a substantially radial styrene-butadiene block copolymer, the copolymer having a styrene content greater than about 35% by weight,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PULETTI, PAUL, FLANAGAN, THOMAS P
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES BOOKBINDING CHEMISTRY DYES FILES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES SPECIAL PRINTED MATTER TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	Thus, the present invention is directed to hot melt adhesive compositions suitable for bookbinding application comprising tackifying resins, at least one wax diluent and a substantially radial styrene-butadiene block copolymer, the copolymer having a styrene content greater than about 35% by weight, a modulus at 300% elongation of at least 4.5 MPa and a solution viscosity less than about 1000 cps.