Synthesis and optical properties of polyimides
β Scribed by Toshihiko Takasaki; Yasuhiro Kuwana; Toru Takahashi; Shigeru Hayashida
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 209 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0887-624X
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π SIMILAR VOLUMES
A thermal stable aromatic polyimide (PI) with side-chain second-order nonlinear optical (NLO) chromophores has been developed. The PI was prepared by the ring-opening polyaddition of 4,4Π-(hexafluoroisopropylidene)diphthalic anhydride with a new diamine having two N-ethyl-N-[4-[(6-chlorobenzothiazol
Aromatic polyimides with side chain nonlinear optical chromophores have been investigated through a facile two-step synthetic route. First, various poly(hydroxy imide)s have been synthesized by direct thermal imidization of diaminophenol dihydrochloride salt and aromatic dianhydride monomers. The re
A series of new optically active aromatic polyimides containing axially dissymmetric 1,1 -binaphthalene-2,2-diyl units were prepared from optically pure ( R)-(/)-or (S)-(0)-2,2-bis(3,4-dicarboxyphenoxy)-1,1 -binaphthalene dianhydrides and various aromatic diamines via a conventional two-step procedu