Abstract:
The invention relates to liquid crystal mixtures and oligomers or polymers which can be obtained by oligomerization or polymerization of the liquid crystal mixtures according to the invention, to a method for printing or coating substrates by applying and subsequently polymerizing the liquid crystal mixtures according to the invention and to the use of the liquid crystal mixtures according to the invention or the oligomers or polymers according to the invention for producing optical or electro-optical components. The invention further relates to the use of the liquid crystal mixtures according to the invention, which comprise at least one chiral dopant for producing heat insulating layers and to said heat insulating layers.
Abstract:
The present invention relates to a method for the deposition of at least one layer of an organic material on a substrate by (a) providing a source of a solid organic material in an atmosphere at a pressure comprised between 50 and 200 kPa, (b) heating said organic material to a first temperature to produce a vapor of said organic material, (c) exposing at least one surface of a substrate having a second temperature lower than said first temperature to said vapor to deposit organic material from said vapor onto said at least one surface of said substrate.
Abstract:
Provided are a process for preparing a crystalline organic semiconductor material wherein the conditions of crystallization lead to the formation of crystals at the gas liquid interface having advantageous semiconductor properties, the obtained crystalline organic semiconductor material and the use thereof for the production of organic semiconductor devices, in particular organic field effect transistors and organic solar cells.
Abstract:
The present invention relates to a process for producing polymerized films with line texture or fingerprint texture or for producing substrates coated with polymerized films with line texture or fingerprint texture, to polymerized films, obtainable by this process, with line texture or fingerprint texture or substrates coated with polymerized films with line texture or fingerprint texture, to pigments obtainable by comminuting such films, to the use of such films, substrates or pigments as or in optical filter(s), polarizers, decorative media, forgeryproof markers, reflective media or for focusing light (in solar cells), to the use of such films as an antibacterial coating, to a forgeryproof marker which comprises such a film, and to a process for detecting forgeryproof markings.
Abstract:
The present invention relates to films and laminates which shield thermal radiation and are based on IR-reflective liquid-crystalline layers, to a process for the production thereof, to pigments comprising them and to a composition which comprises a particular chiral dopant.
Abstract:
The present invention relates to compounds of the formula (I) where R1 and R2 independently of each other, are selected from 1H,1H-C2-C10- perfluoroalkyl and 1H,1H,2H,2H-C3-C10-perfluoroalkyl,except for the compound of formula (I), where R1 and R2 are both 1H,1H-perfluorobutyl, and to their use, especially as an n-type semiconductor.