摘要:
The present invention relates to flame retardant compositions comprising (a) at least one triazine-intercalated metal phosphate with open framework structure with at least one monomer unit of the following general formula (I): (A-H)a(+)[Mbm+(H2PO4)x1(−)(HPO4)x22(−)(PO4)x33(−)(PO3)y(−)](a−)*pH2O (I) and (b) at least one flame retardant component other than (a). The invention further relates to the use thereof, the specific compounds of the general formula (I) and to the preparation thereof.
摘要:
The present invention relates to phosphorus-containing triazine compounds of the formula (I) and (III) and to the polymers obtainable from the water-eliminating polycondensation of a compound of the formula (II), and to the use thereof as flame retardants.
摘要:
The present invention relates to azine metal phosphates, compositions containing the same, a process for preparing the same and their use as flame retardants. Typical representatives are (A-H)+)[MtPO4](+).2H2O and (Mel-H)(+)[AlP2O7](+) (where A=melamine or guanidine, Mel=melamine and Mt=Mg or Zn).
摘要:
By suitable retardation oral pharmaceutical compositions containing propiverine or one or several pharmaceutically acceptable salts thereof in an amount of 4 mg to 60 mg propiverine and having a prolonged release of the active agent are produced. Preferably a blend of active agent and optionally one or more acidic substances having a pKa value of less than 6.65 are provided with a retarding coating or are embedded in a matrix which is then optionally coated with further retarding layers.
摘要:
A composition and process is disclosed for the stabilization of halogen-containing polymers. In particular, chlorine-containing polymers such as poly vinyl chloride (PVC) are stabilized by incorporating of a stabilizer mixture having at least a perchlorate salt and an alkanolamine.
摘要:
The invention relates to stabilising systems for stabilising chlorinated polymers. The inventive stabilising systems contain a) at least one type of perfluoroalkane sulfonate salt and b) at least one or several indoles of general formula (I) and/or urea of general formula (II) and/or alcanolamines of general formula (III) and/or amonouracils.
摘要:
A description is given of stabilizer combinations comprisingA) at least one compound of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another are C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.5 -C.sub.8 -cycloalkyl which is unsubstituted or substituted by 1 to 3 C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, C.sub.5 -C.sub.8 -cycloalkyl or hydroxyl groups or chlorine atoms, or are C.sub.7 -C.sub.9 -phenylalkyl which is unsubstituted or substituted on the phenyl ring by 1 to 3 C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.5 -C.sub.8 -cycloalkyl or hydroxyl groups or chlorine atoms, andR.sub.1 and R.sub.2 can additionally be hydrogen, andY is S or O, andB) at least one compound from the group of the calcium aluminum hydroxides and/or their hydrates and/orC) at least one compound from the group of the calcium aluminum hydrogen phosphites and/or their hydrates and/orD) at least one compound of the group of the aluminum hydroxides and/or their hydrates and/orE) at least one compound from the group of the calcium aluminum hydroxo (hydrogen) carbonates and/or their hydrates and/orF) at least one compound from the group of the lithium layered lattice compounds and/or their hydrates and/orG) at least one compound from the group of the titanium-containing hydrotalcites and/or their hydrateswhich are suitable for stabilizing chlorine-containing polymers, especially PVC.
摘要:
Compositions, comprising (i) a halogen-containing polymeric material, and(ii) at least one phosphite of formula I ##STR1## wherein n is a number from 1 to 6,R is a divalent linking group of formulae as defined herein as well as of novel compounds of formula I and their use as stabilisers.
摘要:
Compositions are described, comprisingA) rigid or semi-rigid PVC having a plasticiser content of up to 20%, andB) at least one compound of formula 1, ##STR1## wherein X is O or S, and R is H or phenyl, with the proviso that compounds from the groups of the perchlorate compounds, glycidyl compounds, beta-diketones, beta-keto esters, dihydropyridines, polydihydro-pyridines, polyols, disaccharide alcohols, sterically hindered amines (tetraalkylpiperidine compounds), alkali alumosilicates (zeolites), hydrotalcites, alkali alumocarbonates (dawsonites) are not present.
摘要:
The invention relates to compositions comprising a) a chlorine-containing polymer and b) at least one compound containing at least one radical of the formula I ##STR1## in which A is the additional groups or atoms necessary to form an unsubstituted or substituted six-membered heterocyclic ring containing two nitrogen ring atoms.