摘要:
The invention relates to cosmetic or dermatological preparations that arc characterized by having a content of: a) at least one antioxidant that acts as an 0- or C-radical scavenger, and; b) at least one organic, boron-containing compound that reduces the peroxides or hydroperoxides to the corresponding alcohols without forming active radical subsequent stages.
摘要:
Disclosed are polymerizable liquid-crystalline compounds of the general formula (I) where A1 and A2 are identical or different and are each a crosslinkable group; the radicals X are identical or different and are each a single bond, —O—, —S—, —C═N—, —O—CO—, —CO—O—, —O—CO—O—, —CO—NR—, —NR—CO—, —NR—, —O—CO—NR, —NR—CO—O—, —CH2—O— or —NR—CO—NR, in which R is H or C1-C4-alkyl; and M is a mesogenic group, a process for their preparation and their use for preparing cholesteric phases.
摘要:
Isoindolinone derivatives of the formula I, in which the variables have the following meanings: R1 is hydrogen, COOR4, COR4, CONR4R5, CN, C1-C20-alkyl, C2-C10-alkenyl, C3-C10-cycloalkyl, C3-C10-cycloalkenyl, aryl or heteroaryl, substituted or unsubstituted; R1 and R2 together are C7-C10-bicycloalkyl or C7-C10-bicycloalkenyl; R3 is hydrogen, C1-C20-alkyl, C2-C10-alkenyl, C3-C10-cycloalkyl, C3-C10-cycloalkenyl, C1-C12-alkoxy, C1-C20-alkoxycarbonyl, C1-C12-alkylamino, C1-C12-dialkylamino, aryl or heteroaryl, substituted or unsubstituted, substituents which confer solubility in water, selected from the group consisting of carboxylate, sulfonate or ammonium radicals; R4 and R5 independently of one another are hydrogen, C1-C20-alkyl, C2-C10-alkenyl, C3-C10-cycloalkyl, C3-C10-cycloalkenyl; aryl or heteroaryl, substituted or unsubstituted; are used as stabilizers for organic materials.
摘要:
The use of substituted .alpha.-methylstyrene derivatives of the formula I, ##STR1## where the variables have the following meanings: R.sup.1 C.sub.4 -C.sub.10 -alkoxy, C.sub.1 -C.sub.12 -alkylamino, C.sub.1 -C.sub.12 -dialkylamino, substituents which confer solubility in water and which are selected from the group consisting of carboxylate, sulfonate or ammonium residues;R.sup.2 hydrogen, C.sub.2 -C.sub.10 -alkyl, C.sub.1 -C.sub.12 -alkoxy;R.sup.3 COOR.sup.5, COR.sup.5, CONR.sup.5 R.sup.6, CN;R.sup.4 COOR.sup.5, COR.sup.5, CONR.sup.5 R.sup.6, CN; where the substituents R.sup.3 and R.sup.4 are identical in each case;R.sup.5 andR.sup.6 independently of one another hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.10 -alkenyl, C.sub.3 -C.sub.10 -cycloalkyl, C.sub.3 -C.sub.10 -cycloalkenyl, aryl, hetaryl, unsubstituted or substituted;as photostable UV filters in cosmetic and pharmaceutical preparations to protect the human skin or human hair from the sun's rays, alone or together with UV-absorbing compounds known per se for cosmetic and pharmaceutical preparations.
摘要:
A process for the production of a molding, fiber or film which can be caused to fluoresce by an electrical voltage which comprises using linear mixtures comprising a fluorescent dye from the perylene series and a thermoplastic polymer having a degree of crystallinity of less than 10%.
摘要:
A process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase P whose acrylic acid content is at least 10% by weight and which, based on the weight of the acrylic acid present therein, additionally comprises at least 100 ppm by weight of propionic acid and at least 100 ppm by weight of glyoxal, in which at least one chemical compound of the element copper is added to the liquid phase P, and the resulting liquid phases P to which a chemical compound of the element copper has been added.
摘要:
The present invention relates to herbicidal compositions comprising as herbicide A at least one protoporphyrinogen-IX oxidase inhibitor (PPO inhibitor), and at least one light detoxifying compound B, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidal effective amount of said herbicidal composition to act on plants, their seed and/or their habitat.
摘要:
The present invention relates to an agrochemical composition comprising pesticide and UV absorber, and the abovementioned UV absorbers. The invention furthermore relates to the use of the UV absorbers in agrochemical compositions. It moreover relates to a method of controlling phytopathogenic fungi and/or undesirable plant growth and/or undesirable insect or mite infestation and/or of regulating plant growth.
摘要:
A process for transferring heat to a liquid mixture comprising at least one (meth)acrylic monomer in an indirect heat exchanger, wherein a quaternary ammonium salt, a tertiary amine or a salt thereof with a Brønsted acid is added to the liquid mixture to reduce fouling.
摘要:
The present invention relates to dermocosmetic compositions comprising a compound comprising the structural element of the formula I where the radical Z has the following meaning: H, C1-C22alkyl group, C6-C10-aryl group, C1-C22-alkoxy group or a C6-C10-O-aryl group substituted by a C1-C22-alkyl or C-C22-alkoxy group,and the radicals R1 to R6, independently of one another, have the following meaning: H, C1-C22-alkyl group, C6-C10-aryl group, O, OH, C1-C22-alkoxy group or a C6-C10-O-aryl group substituted by a C1-C22-alkyl or C1-C22-alkoxy group,it being possible for R5 and R6 to be bridged in such a way that a five- to eight-membered ring is formed and, in the case of a five-membered ring, this ring may be part of an oligomer as a result of covalent bonds at positions 3 and 4.The invention furthermore relates to the use of said compounds in dermocosmetic formulations and the use of the dermocosmetics according to the invention for reducing skin or hair damage caused by free radicals. The invention furthermore relates to the use of the compounds according to the invention for increasing the stability of dermocosmetic formulations.