TACKY POLYMER OBTAINED BY CROSS-LINKING UNSATURATED POLYESTER-CONTAINING URETHANE PREPOLYMER

PROBLEM TO BE SOLVED: To provide a tacky polymer having excellent adhesive power and holding power in good balance, and enabling the adhesive power to be controlled. SOLUTION: This tacky polymer is obtained by cross-linking an unsaturated polyester-containing urethane prepolymer represented by the f...

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Hauptverfasser:	KINUGAWA MASAYUKI, UCHIKOBA TAKANOBU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON DYES GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS 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 WORKING-UP
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a tacky polymer having excellent adhesive power and holding power in good balance, and enabling the adhesive power to be controlled. SOLUTION: This tacky polymer is obtained by cross-linking an unsaturated polyester-containing urethane prepolymer represented by the formula (wherein, s and u are 0-50 and satisfy the formula 1