Abstract:
The thermoplastic molding compound contains a) 30 to 95 wt.% of at least one aliphatic polyamide or copolyamide as component A, b) 1 to 30 wt.% of at least one cyclic phenoxyphosphazene with at least 3 phenoxyphosphazene units as component B, c) 1 to 15 wt.% of red phosphor as component C, d) 0.1 to 20 wt.% of at least one impact-modified polymer as component D, e) 0 to 50 wt.% of glass fibers as component E, and f) 0 to 30 wt.% of additional additives as component F, wherein the sum of components A to F equals 100 wt.%.
Abstract:
The invention relates to the use of moulded polyester masses made of A) 20 to 97.9% by weight of a thermoplastic polyester, B) 0.1 to 10% by weight of an epoxidised natural oil or fatty acid ester or mixtures thereof, component B) having an epoxide equivalent weight to DIN EN ISO 3001 of 100 to 400 g/Eq., C) 1 to 20% by weight of a metal salt of a phosphinic acid, D) 1 to 20% by weight of a melamine compound, E) 0 to 60% by weight of further additives, the sum of the percentages by weight of components A) to E) being equal to 100%, to produce stress-crack-resistant and halogen-free flame-protected moulded polyester masses.
Abstract:
The present invention relates to separators for electrochemical cells, comprising (A) at least one layer, containing (a) crosslinked polyvinylpyrrolidone in the form of particles, (b) at least one binder, and (c) possibly a base body, wherein the mass ratio of the crosslinked polyvinylpyrrolidone in the form of particles (a) to the sum of the mass of the binders (b) in the layer (A) has a value in the range of from 99.0:0.1 to 50:50. Furthermore, the present invention relates to the use of separators according to the invention and apparatuses, in particular electrochemical cells, containing separators according to the invention.
Abstract:
The invention, relates to azo-compounds of formula (I), wherein >N-O-R substituted 2, 2, 6, 6- tetraalkyl-piperidyl groups are present. These azo-compounds have excellent flame retardant properties, either if applied alone, or combined with other compounds, having flame retardant properties.
Abstract:
Flame retardants are described, comprising A. at least one organic phosphonate of formula (I), wherein R is hydrogen, C1-C20alkyl, unsubstituted or C1-C4alkyl-substituted phenyl or naphthyl, R' is hydrogen, C1-C20alkyl, unsubstituted or C1-C4alkyl-substituted phenyl or naphthyl or M1r+/r, n is an integer from 0 to 6, M1r+ is an r-valent metal ion or the ammonium ion, r is an integer from 1 to 4, R13 is isopropyl, isobutyl, tert-butyl, cyclohexyl or is cycloalkyl substituted by from 1 to 3 C1-C4alkyl groups, R14 is hydrogen, C1-C4alkyl, cycloalkyl or is cyclohexyl substituted by from 1 to 3 C1-C4alkyl groups, and R15 is hydrogen, C1-C18alkyl, trimethylsilyl, benzyl, phenyl or sulfonyl; and B. at least one flame retardant component based on a nitrogen compound, and also the use thereof in synthetic polymers.