Patent ID: 6268418
Filing Date: 2001-07-31
Classification: C08K,C08L

Abstract:
Thermoplastic moulding compounds consisting of:A) 30 to 98.9 parts by wt. of polyalkyleneterephthalate;C) 0 to 30 parts by wt. of a graft polymer;D) 0.1 to 20 parts by wt. of an oligomeric phosphorus compound of the formula (Ia) ##STR10##in whichR.sup.1, R.sup.2, R.sup.3, R.sup.4, independently of each other, represent a C.sub.1 -C.sub.8 -alkyl, C.sub.5 -C.sub.6 -cycloalkyl, C.sub.6 -C.sub.10 -aryl or C.sub.7 -C.sub.12 -aralkyl group,n may be 0 or 1, irrespective of the position,n is an average number from 0.5 to 5 andx represents a mono or polynuclear aromatic group with 6 to 30 carbon atoms,or 0.1 to 20 parts by weight of a mixture of an oligomeric phosphorus compound of the formula (Ia) and a phosphorus compound of the formula (Ib) ##STR11##R.sup.5 is methyl andm is a number of 0 to 5,where the amount of phosphorus compound of the formula (Ib) in the mixture of phosphorus compounds is 1 to 50% by weight, relative to 100% by weight of phosphorus compound of the formulae (Ia) and (Ib);E1) 1 to 60 parts by wt. of magnesium calcium carbonate hydrate;E2) 0 to 30 parts by wt. of fillers and reinforcing materials selected from the group consisting of glass fibers, glass beads, mica, silicates, quartz, talc, titanium dioxide and wollastoniteand optionally one or more of lubricants, mold release agents, nucleating agents, antistatic agents, stabilizers, colorants or pigments.