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New second‐order nonlinear optical (NLO) epoxy polymer treated by sol‐gel processing
Author(s) -
Yoon ChongBok,
Shim HongKu
Publication year - 1998
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/(sici)1521-3935(19981101)199:11<2433::aid-macp2433>3.0.co;2-3
Subject(s) - epoxy , prepolymer , polymer , thermal stability , materials science , polymer chemistry , hardening (computing) , sol gel , nonlinear optical , chemical engineering , composite material , nonlinear system , nanotechnology , polyurethane , layer (electronics) , physics , quantum mechanics , engineering
We have demonstrated a novel approach to achieve a stable second‐order NLO polymer by incorporating NLO moieties into a processable epoxy polymer and hardening with crosslinkable sol‐gel technique. The crosslinked polymer showed high nonlinearity ( d 33 = 41 pm/V) and better thermal stability compared to the prepolymer, which maintained its nonlinearity up to 100°C without significant loss of NLO activity.