| Patent application number | Description | Published |
| 20090170984 | COMPOSITION CONTAINING POLYMERS, COLOURING AGENTS AND STABILISERS - The invention relates to a composition containing at least one piperidine compound of formula (I) as a stabiliser. In said formula (I) the variables R1, R2, R3, R4, R5, R6, R7, R8, Y and the index n have the meanings cited in claim | 07-02-2009 |
| 20090264566 | Stabiliser composition made from liquid and solid uv-absorbers - The present invention relates to a stabilizer composition (S), composed of (i) at least one UV absorber solid under standard conditions, selected from the group of the diphenylcyanoacrylates with a molar mass of at least 500 g/mol and (ii) at least one UV absorber which is liquid at 50° C. and standard pressure. The present invention also relates to a polymer composition, comprising this stabilizer composition (S), and to a process for preparation of polyisocyanate polyaddition products via reaction of polyisocyanates with compounds reactive toward isocyanates, where the reaction takes place in the presence of this stabilizer composition (S). | 10-22-2009 |
| 20090318605 | POLYMER ADDITIVES CONTAINING PARTICLES - Particles which can be obtained by aqueous emulsion polymerization of ethylenically unsaturated monomers M in the presence of polymer additives and of seed latexes, in which the monomers M comprise largely water-insoluble monomers M1 and optionally at least partially water-soluble monomers M2, and the polymer additives are essentially water-insoluble and are soluble in the monomers M1 and cannot be polymerized under conditions for the preparation of the particles, and the particles exhibit a mean particle size of at most 500 nm. | 12-24-2009 |
| 20090318617 | POLYMER DISPERSIONS COMPRISING EFFECT SUBSTANCES AND USE THEREOF - Aqueous polymer dispersions, the dispersed particles of which comprise at least one effect substance from the group consisting of UV absorbers, antistatics, antioxidants and antifogging agents and have a mean particle size of at most 500 nm and a glass transition temperature of at least 85° C. and which can be obtained by emulsion polymerization of ethylenically unsaturated monomers in the presence of at least one effect substance, and to the use of the polymer dispersions comprising effect substances or of the polymer powders obtained therefrom for the finishing and for the stabilizing of polymers, in particular for the stabilizing of thermoplastic polymers, against the effect of UV radiation. | 12-24-2009 |
| 20100160502 | STABILIZER MIXTURE - Suitable stabilizers for organic material are a mixture comprising
| 06-24-2010 |
| 20100190929 | USE OF POLYMER POWDER CONTAINING UV ABSORBER FOR THE STABILISATION OF POLYMERS AGAINST THE EFFECTS OF UV RADIATION - The present invention relates to the use, for stabilizing polymers, in particular polyolefins, with respect to exposure to UV radiation, of fine-particle polymer powders comprising at least one UV absorber. The present invention further relates to stabilizer mixtures for stabilizing polymers with respect to exposure to UV radiation, oxygen and heat, which, inter alia, comprise these polymer powders, and to a process for stabilizing polymers, in particular polyolefins, with respect to exposure to UV radiation, oxygen and heat, which comprises adding, to the polymers, in particular to the polyolefins, an effective amount of these stabilizers. The present invention further relates to polymers, in particular polyolefins, which have been stabilized with respect to exposure to UV radiation or with respect to exposure to UV radiation, oxygen and heat, which comprise an effective amount of these polymer powders or, respectively, stabilizer mixtures, and to articles produced from these stabilized polymers, in particular polyolefins. | 07-29-2010 |
| 20110105660 | PROCESS FOR THE HOMOGENEOUS INCORPORATION OF POLYMER PARTICLES INTO POLYMERIC MATRICES - The invention relates to preparations comprising a wax in which polymer particles are present, where the polymer particles comprise at least one effect substance, obtainable by, by means of a miniemulsion polymerization carried out in the presence of a wax-immiscible solvent, distributing at least one effect substance in polymer particles, and incorporating the polymer particle dispersion obtained in this way into a wax by phase transfer. | 05-05-2011 |
| 20110214590 | STABILISERS FOR INANIMATE ORGANIC MATERIALS - The present invention relates to the use of sterically hindered amines comprising one or more groups of the general formula (I) | 09-08-2011 |