PHOTOCURABLE ADHESIVE COMPOSITION

PROBLEM TO BE SOLVED: To obtain the above composition consisting essentially of an ethylene- vinyl acetate copolymer, capable of firmly bonding a metal to a metal plate or other material in good durability, excellent in transparency and weathering resistance and improved in heat resistance and resis...

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Bibliographic Details
Main Authors MORIMURA YASUHIRO, YOSHIDA TAKASHIGE, SASAKI KIYOMI, KOTSUBO HIDESHI
Format Patent
LanguageEnglish
Published 08.07.1997
Edition6
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 obtain the above composition consisting essentially of an ethylene- vinyl acetate copolymer, capable of firmly bonding a metal to a metal plate or other material in good durability, excellent in transparency and weathering resistance and improved in heat resistance and resistance to moist heat. SOLUTION: This adhesive composition is obtained by adding 0.1-10 pts.wt. photosensitizer, 0.01-5 pts.wt. silane coupling agent and further 0.1-20 pts.wt. epoxy group-containing compound to 100 pts.wt. ethylene-vinyl acetate copolymer. A radical photopolymerization initiator is suitably used as the photosensitizer and the photosensitizer functions as a crosslinking agent (a curing agent) and forms a crosslinking structure in the composition when cured. The composition is effective as an adhesive in attaching a transparent film to a metal plate and does not impairs appearance of the metal plate, because the adhesive composition is colorless and transparent.
Bibliography:Application Number: JP19950351557