RU2000106050A - NON-COMBUSTIBLE FORMING MASSES OF ABS POLYCARBONATES - Google Patents

Claims (15)

1. Fire-resistant, thermoplastic molding materials containing
A) 5 to 95 parts by weight a mixture of two aromatic polycarbonates A.1 and A.2 with different viscosity of the solutions, the relative viscosity of solution A.1 is from 1.18 to 1.24, the relative viscosity of solution A.2 is from 1.24 to 1.34 and the difference the relative viscosity of solutions A.1 and A.2 is greater than or equal to 0.06, and one or more other polycarbonates can be added to the mixture of A.1 and A.2,
C) 0 to 50 parts by weight a vinyl (co) polymer of one or at least two ethylenically unsaturated monomers,
C) 0.5 to 60 parts by weight grafted polymer obtained by graft polymerization of at least two monomers selected from the group consisting of chloroprene, butadiene-1,3, isoprene, styrene, acrylonitrile, ethylene, propylene, vinyl acetate and esters of (meth) acrylic acid with 1-18 carbon atoms in alcohol parts
D) 0.5 to 20 parts by weight phosphorus compounds of the general formula I

where R ¹ , R ² , R ³ and R ⁴ independently mean, if necessary, halogenated alkyl with 1-8 carbon atoms, optionally substituted with halogen and / or alkyl with 1-4 carbon atoms, cycloalkyl with 5-6 carbon atoms, optionally substituted with halogen and / or alkyl with 1-4 carbon atoms, aryl with 6-20 carbon atoms or, if necessary, substituted with halogen and / or alkyl with 1-4 carbon atoms, aralkyl with 7-12 carbon atoms,
n each independently of one another is 0 or 1,
N = 0 to 30 and
X means a single or multi-core aromatic residue with 6-30 carbon atoms,
E) 0.05 - 5 parts by weight fluorinated polyolefin,
F) 0.1 to 50 parts by weight per 100 parts by weight components AE of a finely dispersed inorganic compound with an average particle diameter of less than or equal to 200 nm.  2. Molding mass according to claim 1, characterized in that in the formula (I) N has a value from 0.3 to 20.  3. Molding mass according to paragraphs. 1 and 2, in which component B is a (co) polymer of one or at least two ethylenically unsaturated monomers selected from the group consisting of styrene, α-methyl styrene, ring substituted styrenes, acrylonitrile, methacrylonitrile, methyl methacrylate, maleic anhydride, N-substituted malein-imide and esters of (meth) -acrylic acid with 1-18 carbon atoms in the alcohol part. 4. Molding materials according to claims 1 to 3, in which in the formula (I) R ¹ , R ² , R ³ and R ⁴ independently from each other mean alkyl with 1-4 carbon atoms, optionally substituted with halogen and / or alkyl phenyl, naphthyl or phenyl-alkyl with 1-4 carbon atoms in the alkyl part and X is derived from bisphenols selected from the group consisting of bisphenol A, resorcinol or hydroquinone, optionally chlorinated or brominated.  5. Molding mass according to one of claims 1 to 4, in which the phosphorus-containing compound of the formula (I) is selected from the group consisting of tributyl phosphate, tris (2-chloroethyl) phosphate, tris (2,3-dibromopropyl) phosphate, triphenylphosphate, tricresylphosphate, diphenylcresylphosphate, diphenyloctylphosphate, diphenyl-2-ethyl-cresylphosphate, tri- (isopropylphenyl) phosphate, halogen-substituted arylphosphates, dimethyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl ether phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl phenyl ether seed and / or meta-phenylene-bis (diphenyl) phosphate.  6. The molding material according to claim 1, which contain polytetrafluoroethylene, polyvinylidene fluoride, copolymers of tetrafluoroethylene and hexafluoropropylene and / or ethylene and tetrafluoroethylene as the fluorinated polyolefin E.  7. Molding mass according to claim 1, containing as component F compounds of elements from the first to fifth main groups or from the first to eighth side groups of the Periodic system with at least one element selected from the group containing oxygen, sulfur, boron, phosphorus, carbon , nitrogen, hydrogen and silicon. 8. Molding mass according to the preceding paragraphs containing, as component F, compounds selected from the group: TiN, TiO ₂ , SnO ₂ , WC, ZnO, Al ₂ O ₃ , AlO (OH), ZrO ₂ , Sb ₂ O ₃ , SiO ₂ , zinc borate, Na ₂ SO ₄ , BaSO ₄ , vanadium oxides and / or silicates.  9. Molding mass according to the preceding paragraphs, in which the average particle diameter of component F is less than or equal to 150 nm.  10. Molding masses according to claims 1 to 9, characterized in that they contain 0.01 to 20% by weight, based on the total molding mass, of at least one flame retardant other than component D.  11. The molding mass according to claims 1 to 10, containing 10 to 90 parts by weight component A, if necessary, 2 to 30 parts by weight component B, 1 to 40 parts by weight component C and 1 - 18 parts by weight component D, 0.1 - 1 parts by weight component E and 0.1 to 10 parts by weight component F.  12. Molding materials according to claims 1 to 11, containing diene rubber, acrylate rubber, silicone rubber or ethylene-propylene-diene rubber as the basis for grafting C.2.  13. Molding mass according to one of claims 1 to 12, containing at least one additive from the group: stabilizers, pigments, lubricant to separate the product from the mold, means for improving fluidity and / or antistatic.  14. The use of molding materials according to one of claims 1 to 13 for obtaining molded products.  15. Molded products made from molding materials according to claims 1 to 13.