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 4,4ะ-(hexafluoroisopropylidene)diphthalic anhydride with a new diamine having two N-ethyl-N-[4-[(6-chlorobenzothiazol
Synthesis and properties of aluminum phthalocyanine side-chain polyimide for third-order nonlinear optics
โ Scribed by Yoshimasa Sakai; Mitsuru Ueda; Akira Yahagi; Naohiro Tanno
- Book ID
- 108366602
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 184 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0032-3861
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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 two-step, generally applicable synthetic approach for nonlinear optical (NLO) side-chain polyimides was developed. This included the preparation of a preimidized, organosoluble polyimide with benzene moiety pendant from main chains, followed by the covalent bonding of the NLO chromophores onto the