摘要:
The present invention relates to a method of generating a gene library from an environmental pool of organisms, which gene library is enriched in DNA encoding a polypeptide with an activity of interest. Also, the invention provides a method of selecting a DNA sequence of interest from an environmental pool of organisms. Further, the invention relates to a gene library prepared from an enriched environmental pool of organisms enriched in DNA encoding a polypeptide with an activity of interest.
摘要:
The present invention relates to a method of regenerating a ruthenium catalyst for the hydrogenation of phthalates, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained.
摘要:
The instant invention relates to novel hydroxyphenyl triazine UV-absorbers with an aromatic carbocyclic fused ring system having a long wavelength shifted absorption spectrum with significant absorbance up to 420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers, a process for the stabilization of organic materials and the use of the new compounds as UV-light stabilizers for organic materials.
摘要:
The present invention relates to novel polymers comprising a repeating unit(s) of the formula (I) wherein at least one of the substituents R1, R2, R3, R4, R5, R6, and R7 is a group -(Sp)x1-HEI, wherein Sp is a spacer unit, HE1 is a group (HE1I), which increases the hole-injection and/or hole-transport properties of the polymers; or a group (HE1II), which increases the electron-injection and/or electron-transport properties of the polymers, or a group (HE1III), which increases the hole-injection and/or hole-transport properties of the polymers and the electron-injection and/or electron-transport properties of the polymers, x1 is 0, or 1, and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color can be observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).
摘要:
The present invention relates to compounds of formula a process for their production and their use in electronic devices, especially electroluminescent devices. When used as electron transport material in electroluminescent devices, the compounds of formula I, or II may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
摘要:
The present invention relates to novel polymers comprising a repeating unit of the formula (I) and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high stability of the emission color can be observed, if the polymers according to the invention are used in organic light emitting diodes (OLEDs).
摘要:
Disclosed are electroluminescent metal complexes with triazoles of the formula (I), where n1 is an integer of 1 to 3, m1 and m2 each are an integer 0, 1 or 2, M1 is a metal with an atomic weight of greater than 40, L1 is a monodentate ligand or a bidentate ligand, L2 is a monodentate ligand, Q2 stands for an organic bridging group completing, together with the bonding carbon atoms of the triazole ring, an annellated, carbocyclic or heterocyclic, non-aromatic ring, which optionally may be substituted, Q3 represents a group of forming a condensed aromatic, or heteroaromatic ring, which can optionally be substituted, as well as new intermediates for the preparation of these complexes, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.
摘要:
The present invention relates to a mixture encompassing at least one plastic A, in particular polyvinyl chloride (PVC), polyvinyl butyral (PVB), or a polysulfide, and at least one polyester B which can be prepared from a dicarboxylic acid I, and from at least one diol II selected from the group consisting of 1,2-propanediol, 1,3-butanediol, and 1,4-butanediol, and from a monocarboxylic acid III, in particular acetic acid, and also to the use of the mixtures of the invention in casings for electrical devices, in kitchen machines, in computer cases, in piping, chemical apparatus, cables, wire sheathing, window profiles, in interior fittings, in vehicle construction and furniture construction, in floorcoverings, for producing medical items, packaging for food or drink, gaskets, sealing compounds, including those for sealed glazing, films, including roofing films, composite films, phonographic disks, synthetic leather, toys, packaging containers, adhesive tape films, clothing, or coatings, or as fibers for fabrics, or as films for laminated safety glass.
摘要:
A novel process for preparing a aminophenyl-triazines of the formula (I′), comprises reacting a corresponding halogenophenyltriazine of the formula (I″), with an amine of the formula (IX), H—NR′2R′3, wherein X is chloro or preferably fluoro and the symbols A, A′, R′2, R′3 and R44 are organic residues as defined in claim 1. Products of this process and derivatives thereof are useful as stabilizers and UV absorbers for protecting an organic material against damage by light, oxygen and/or heat, or as recording dye in an optical recording medium, especially for writing or reading digital information in a recording layer using laser radiation of wavelength less than 450 nm.
摘要:
Compounds of the formula in which Z, Z′ and Z″ independently of one another are a group of the formula II and R7 is a radical of the formula III, IV or V in which n is 1 or 2; R4, R5 and R6 independently of one another are C1-C18alkyl; C5-C12cycloalkyl; C2-C18alkenyl; phenyl; C7-C11phenylalkyl; C7-C11alkylphenyl; C1-C18alkyl substituted by phenyl, OH, C1-C18alkoxy, C5-C12cycloalkoxy, C3-C18alkenyloxy, COOH, COOR11, O—COR12, CONH2, CONHR13, CONR13R14, CN, NH2, NHR13, NR13R14, NHCOR12, C6-C15bicycloalkyl, C6-C16bicycloalkyl-alkoxy, C6-C16bicycloalkenyl-alkoxy or C6-C15tricycloalkoxy; C5-C12cycloalkyl substituted by OH, C1-C4alkyl, C2-C6alkenyl or O—COR12; or COR15; CO—X—R11; or SO2—R16; or C3-C50alkyl interrupted by O and/or substituted by OH, phenoxy or C7-C18alkylphenoxy; or R5 and R6 together form a ring structure; X and Y independently of one another are O, NH, NR13 or S; and the other symbols are as defined in claim 1 are effective as stabilizers for organic material against the damaging effect of light, oxygen and/or heat.