HARDENER, ADHESIVE COMPOSITION, ADHESIVE FILM FOR CIRCUIT CONNECTION, CONNECTED STRUCTURE, AND METHOD FOR PRODUCING CONNECTED STRUCTURE

WIPO Patent Application WO/2022/220285

A1

A hardener comprising a pyridinium salt, wherein the pyridinium salt has a benzyl group at the 1-position and has an electron-attracting group at the 2-position, the benzyl group having an electron-donating group; an adhesive composition comprising a pyridinium salt and a cationically polymerizable compound, wherein the pyridinium salt has a benzyl group at the 1-position and has an electron-attracting group at the 2-position, the benzyl group having an electron-donating group; and an adhesive film for circuit connection which includes an adhesive layer formed from the adhesive composition.

MORIYA TOSHIMITSU (JP)
ICHIMURA TAKAYUKI (JP)
MIYAJI MASAYUKI (JP)
KOBAYASHI RYOHTA (JP)
ISHIKAWA KAZUNORI (JP)
ITO TSUBASA (JP)

PCT/JP2022/017841

October 20, 2022

April 14, 2022

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SHOWA DENKO MATERIALS CO LTD (JP)
SIKA HAMATITE CO LTD (JP)

C07F5/02; C07D213/61; C07D213/84; C08G59/68; C08G85/00; C09J7/30; C09J9/02; C09J11/06; C09J163/00; C09J201/00; C09K3/00; H01B1/20; H05K1/03

JPH055006A	1993-01-14
JPH05262813A	1993-10-12
JPH01299803A	1989-12-04
JPH03109465A	1991-05-09
JP2017214472A	2017-12-07
JP2017152354A	2017-08-31

SANG-BONG LEE, TOSHIKAZU TAKATA, TAKESHI ENDO: "QUATERNARY AMMONIUM SALTS AS USEFUL CATIONIC INITIATORS. \6. SYNTHESIS, ACTIVITY, AND THERMAL LATENCY OF N-BENZYLPYRIDINIUM SALTS AND THE ROLE OF THE PYRIDINE MOIETY.", MACROMOLECULES, AMERICAN CHEMICAL SOCIETY, US, vol. 24., no. 10., 13 May 1991 (1991-05-13), US , pages 2689 - 2693., XP000229807, ISSN: 0024-9297, DOI: 10.1021/ma00010a007

HASEGAWA Yoshiki et al. (JP)

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