ELASTOMER COMPOSITION AND TACKY/ADHESIVE AGENT COMPOSITION

PROBLEM TO BE SOLVED: To provide an elastomer composition having excellent adhesive properties to an adherend, and die sectility, and also having excellent matrix-striping properties after passage of time; and to provide a tacky/adhesive agent composition obtained by using the composition. SOLUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUBARA TETSUAKI, KAWANABE KENJI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an elastomer composition having excellent adhesive properties to an adherend, and die sectility, and also having excellent matrix-striping properties after passage of time; and to provide a tacky/adhesive agent composition obtained by using the composition. SOLUTION: The elastomer composition contains 10-90 wt.% aromatic vinyl-isoprene branched block copolymer (a) of the formula: (A0-Bs)mXnR, 5-85 wt.% aromatic vinyl-isoprene diblock copolymer (b) of the formula: A1-BL, and 5-33 wt.% polyisoprene (c), and has a specific average content of aromatic vinyl. The aromatic vinyl contents Sa and Sb in the components (a) and (b), and weight average molecular weights MBSand MBLof the isoprene polymer blocks satisfy the relations of 20≤Sa≤75, 10≤Sb≤35, Sb