C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/130, 88/97
C08G 18/00 (2006.01) C08G 18/38 (2006.01) C08G 18/67 (2006.01) G02B 6/10 (2006.01) G02F 1/065 (2006.01) G02F 1/35 (2006.01)
Patent
CA 2037579
ABSTRACT A thermally curable system containing D.pi.A groups can be poled by an electrical field while, simultaneously, the system is cured. Thus favourable NLO-waveguides can be obtained. The disclosed systems comprise a D.pi.A group containing compound (A) having two or more functional groups and a compound (B) having two or more functional groups capable of reacting with compound (A). Essentially, one of the compounds (A) or (B) contains isocyanate groups. To obtain a polymeric network at least one of the compounds (A) or (B) should be tri-or higher functional.
Horsthuis Winfried H. G.
Van Der Horst Peter M.
Akzo N.v.
Swabey Ogilvy Renault
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