Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1990-10-04
1993-09-14
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523443, 523466, 525486, 528117, C09J16302, C08L 6302, C08G 5968
Patent
active
052449394
ABSTRACT:
A hardening agent composition for epoxy resins and a method for forming the composition is disclosed, which comprises a low-reactive hardening agent, an imidazole compound and a zeolite, wherein the imidazole compound is substituted on the imidazole nucleus by at least one of (a) and (b): (a) an alkyl group having 2 or more carbon atoms and a polar group and (b) an alkenyl group. The hardening agent composition combined with an epoxy resin to form a thermosetting epoxy resin composition, capable of hardening under heat to give a hardened product, has a remarkably elevated adhesion strength.
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Nagase Rihei
Yasuda Akira
Bleutge John C.
Somar Corporation
Wilson D. R.
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