摘要:
Provided are novel polyimides, poly(amide-imides) and polyamides, which are generated from new two photon diamino-monomers of the formula: wherein para or meta X—C6H4—O— and X═NH2; and CnHn+1 is either a straight or branched alkyl chain, and wherein n is an integer from 1 to 20.
摘要翻译:提供了新的聚酰亚胺,聚(酰胺 - 酰亚胺)和聚酰胺,其由下式的新的两个光子二氨基单体产生:其中对或间位X-C6H4-O-和X = NH2; C n H n + 1是直链或支链烷基链,其中n是1至20的整数。
摘要:
Provided are new 2PA chromophores of the formula: wherein X=para- or meta-NO2; para- or meta-NH2; and CnHn+1 is either a straight or branched alkyl chain, and n is an integer from 1-20.
摘要:
Two-photon absorbing (2PA), cross-linked polyurethanes were prepared from bis(isocyanato) monomers, tris(isocyanato) monomers or a mixture of bis(isocyanato) and tris(isocyanato) monomers, in conjunction with a novel polyol molecules with donor-acceptor octupolar geometry, whose generic structure is comprised of an electron-accepting 1,3,5-triazine hub with three spokes constituted by electron-donating triarylalkylamine end-groups, which are polyfunctionalized with thermally reactive alcohol functions. The resulting neat glassy or rubbery solids are applicable in a wide range of linear & nonlinear optical applications.
摘要:
A novel o-aminophenol-carboxylic AB-monomer with the following chemical structure: for synthesizing new rigid-rod polybenzobisazoles was prepared from the corresponding nitrobenzothiazolecarboxylic acid via an enzymatic process.
摘要:
Provided are novel 2PA-active monomers of the formula: wherein Y═H, acrylic or methacrylic moiety; R is a linear or branched alkyl group, —CmH2m+1, where m=1-6 or an alkylether group, —(CH2CH2O)pMe, where p=1-5. The number of R′—(OH)x groups, attached to the phenyl rings of the triarylamine moiety either in a para or a meta position, could be 3 or 6 per molecule, or mixtures of molecules containing 3, 4, 5, 6 in various ratios and wherein x=1, 2, or 3. R′ is a linear or branched alkyl group such as —CmH2m, where m=1-6, i.e. linear —(CH2)m, where m=2-6, or branched alkyl group such as —CH2CH(R″)—, where R″═—(CH2)lCH3, where l=2-6.
摘要:
Provided are chromophores of the formula Q—(—L—Z)x, wherein x is 2 or 3, wherein Q is selected from the group consisting of wherein L is wherein R is an alkyl group having 1 to 20 carbon atoms, and wherein Z is selected from the group consisting of
摘要:
Two-photon absorbing arylamine-endcapped and dialkylfluorene-bridged benzobisthiazole-based compounds are provided. These two-photon absorbing benzobisthiazole-based compounds show high solubility in nonpolar hydrocarbon solvents (oleophilicity) and high two-photon properties, especially in the nanosecond domain of pulse-laser excitation.
摘要:
Provided are new two-photon absorbing chromophores of the formula: wherein R is an alkyl group having 1 to 20 carbon atoms and Q is OH, OMe, propargyloxy-(O—CH2—C≡CH), methylpropargyloxy-(O—CH2—C≡C—CH3), allyloxy-(O—CH2—C═CH2),1-methyl-allyloxy(O—CH2—CH═CHCH3) and 3-methyl-allyloxy (O—CH(CH3)—CH═CH2).
摘要:
Diphenylamine-benzobisthiazole-diphenylamine monomers having two-photon absorption cross-sections and high solubility in organic solvents are provided. Also provided are the corresponding organo-soluble, wholly conjugated and two-photon absorbing benzobisthiazole-triarylamine polymers.