摘要:
Fluorophenylcyclohexanes of the formula ##STR1## wherein R is alkyl of 1 to 17 carbon atoms and Z is carbonyl or methylene, are valuable components for use in liquid crystal dielectrics.
摘要:
Compounds of the formula RG--A--IN wherein IN is a photoinitiator basic structure A is a spacer group and RG is a functional reactive group can be employed as coreactive photoinitiators for photo-polymerization of systems containing ethylenically unsaturated compounds.
摘要:
Partially fluorinated benzene derivatives of the formula I ##STR1## in which R, A.sup.1, A.sup.2, Z.sup.1, Z.sup.2, L.sup.1, L.sup.2 and m are as defined in claim 1, are suitable as components of liquid-crystalline media.
摘要:
A mechanical component consisting of solid bodies which are mobile relative to one another under a variable frictional force and are separated from one another by a fluid organic mass, characterized in that the change in frictional force is induced by phase transitions between different thermotropic liquid-crystalline phases or between a thermotropic liquid-crystalline phase and an isotropic phase.
摘要:
Radiation-curable two-layer systems containing immobilized photoinitiators are suitable for the production of coatings of constant thickness and good adhesion, and relief structures of high resolution and edge steepness.
摘要:
Liquid-crystalline tercyclohexyls of the formula ##STR1## in which R is an alkyl group with 1-12 C atoms, in which one or two non-adjacent CH.sub.2 groups can be replaced by 0,X is --CN, --COOR.sup.1, --OOCR.sup.1, --COR.sup.1 or R.sup.1, andR.sup.1 is an alkyl group having 1-12 C atoms, with the proviso that in the case where X=R.sup.1 at least one CH.sub.2 group in the alkyl group R is replaced by 0, and useful in liquid-crystalline dielectrics.
摘要:
Cyclohexylcarbonitrile derivatives of the formula I ##STR1## wherein Y is ##STR2## X is --COO--, --O--CO, --CH.sub.2 O--, --OCH.sub.2 -- or --CH.sub.2 CH.sub.2 --, and R is alkyl or alkoxy each of 1-12 carbon atoms, with the proviso that Y is not ##STR3## when X is --COO--; and all cyclohexyl rings are trans, are valuable liquid crystalline components.
摘要翻译:其中Y是-COO-,-O-CO,-CH 2 O - , - OCH 2 - 或-CH 2 CH 2 - ,以及其中Y是 R是具有1-12个碳原子的烷基或烷氧基,条件是当X是-COO-时,Y不是< IMAGE> 并且所有环己基环都是反式的,是有价值的液晶组分。