RU2002127002A - NON-COMBUSTIBLE POLYCARBONATE FORMING MASSES FOR PROCESSING BY EXTRUSIONAL METHOD - Google Patents

Claims (25)

1. Molding materials containing at least one polycarbonate, at least one impact modifier and at least one halogenated phosphorus-containing flame retardant, and molding materials are characterized by a combination of high incombustibility (grade V-0 when testing samples with a thickness of the walls are less than or equal to 1.5 mm according to UL94 V) and the viscosity of the melts measured at 260 ° C and a shear rate of 100 s ^-1 , greater than or equal to 600 Pa · s. 2. Molding mass according to claim 1, containing as a flame retardant a halogenated phosphorus-containing compound of the general formula

in which R ¹ , R ² , R ³ and R ⁴ mean independently from each other, respectively, alkyl with 1-8 carbon atoms; respectively, if necessary, substituted with alkyl cycloalkyl with 5-6 carbon atoms, aryl with 6-20 carbon atoms or aralkyl with 7-12 carbon atoms; n is independently 0 or 1; N means a number from 0.1 to 30; X means a mononuclear or multinuclear aromatic residue with 6-30 carbon atoms, or a linear or branched aliphatic residue with 2-30 carbon atoms, which may be substituted by a hydroxyl group and may contain up to 8 ether bonds. 3. The molding material according to claim 1, containing as a flame retardant a halogenated phosphorus-containing compound of the General formula

in which R ¹ , R ² , R ³ and R ⁴ mean independently, respectively, alkyl with 1-8 carbon atoms and / or, if necessary, substituted alkyl cycloalkyl with 5-6 carbon atoms, aryl with 6-10 carbon atoms or aralkyl with 7-12 carbon atoms; n is independently 0 or 1; q are independently 0, 1, 2, 3 or 4; N means a number from 0.1 to 30; R ⁵ and R ⁶ mean independently from each other alkyl with 1-4 carbon atoms; Y means alkylidene with 1-7 carbon atoms, alkylene with 1-7 carbon atoms, cycloalkylene with 5-12 carbon atoms, cycloalkylidene with 5-12 carbon atoms, -O-, -S-, -SO-, -SO ₂ - or —CO—. 4. The molding material according to claim 1, containing as flame retardant oligophosphate based on bisphenol A of the formula

in which N means a number from 0.1 to 30. 5. Molding mass according to claim 1, containing phosphazene or phosphonatamine as a flame retardant. 6. Molding mass according to one of claims 2 to 4, containing a flame retardant with an average degree of oligomerization N from 0.5 to 10. 7. Molding mass according to one of claims 2 to 4, containing a flame retardant with an average degree of oligomerization N from 0.7 to 5. 8. Molding mass according to claim 1, containing from 0.15 to 1 wt.%, Calculated on the total composition, of a fluorinated polyolefin, optionally used in the form of a coagulate, precompound or masterbatch with a grafted copolymer or vinyl (co) polymer. 9. The molding material according to claim 1, containing from 0.2 to 0.5 wt.%, Calculated on the total composition, of a fluorinated polyolefin, if necessary used in the form of a coagulate, precompound or masterbatch with a grafted copolymer or vinyl (co) polymer. 10. The molding mass according to claim 1, containing as a modifier of impact strength one or more grafted copolymers of at least one vinyl monomer in an amount of from 5 to 95 wt.% And at least one basis for inoculation in an amount from 95 to 5 wt.% with a glass transition temperature below 10 ° C. 11. The molding material of claim 10, containing grafted copolymers based on diene, EP (D) M, acrylate or silicone rubbers. 12. Molding mass according to claim 10, containing as an impact modifier ABS copolymers obtained by polymerization in an emulsion or mass, or mixtures thereof. 13. The molding material according to claim 1, additionally containing vinyl (co) polymers, polyalkylene terephthalates or mixtures thereof. 14. The molding material according to claim 1, containing inorganic material in the form of particles, flakes or fibers. 15. The molding material according to 14, containing a fine powder with an average particle diameter of less than or equal to 100 nm as an inorganic material. 16. The molding material according to 14, containing as an inorganic material talc, or other silicate, or aluminosilicate in the form of flakes. 17. The molding material according to claim 1, additionally containing conventional commercially available additives: means for preventing droplets, “external” lubricants incompatible with the polymer and internal lubricants for removing products from the mold, instant thickening agents, antistatic agents, stabilizers, and dyes and pigments. 18. The molding material according to claim 1, containing branched polycarbonate. 19. Molding mass according to claim 1, containing polycarbonate with a branched or linear structure and a relative viscosity of the solution greater than or equal to 1.30, measured at 25 ° C in methylene chloride and at a concentration of 0.5 g / 100 ml. 20. Molding masses containing from 60 to 98 wt.%, At least one aromatic polycarbonate with a linear or branched structure with a relative viscosity of the solution greater than or equal to 1.30, measured at 25 ° C in methylene chloride and at a concentration of 0.5 g / 100 ml, from 0.5 to 30 wt.%, at least one grafted copolymer, from 1 to 20 wt.%, at least one halogenated phosphorus-containing flame retardant, from 0.15 to 1 wt.% fluorinated polyolefin and from 0 to 5 wt.% inorganic material in the form of particles, flakes or fibers, the sum of the masses O components is 100 percent. 21. Molding masses containing from 75 to 90 wt.%, At least one aromatic polycarbonate with a linear or branched structure and a relative viscosity of the solution greater than or equal to 1.30, measured at 25 ° C in methylene chloride and at a concentration of 0.5 g / 100 ml, from 2 to 10 wt.%, at least one grafted copolymer, from 3 to 12 wt.%, at least one halogenated phosphorus-containing flame retardant, from 0.2 to 0.5 wt.% fluorinated polyolefin and from 0 to 1.5 wt.% inorganic material in the form of particles, flakes or fibers, the sum of the masses New percent of the components is 100. 22. A method for producing molding materials according to one or more of the preceding paragraphs, the individual components being mixed and then compounded at elevated temperature. 23. The use of molding materials according to one or more of the preceding paragraphs to obtain any molded and shaped products, sheet materials, pipes and channels for electrical wiring. 24. The use of molding materials according to one or more of the preceding paragraphs to obtain molded and shaped products, sheet materials, pipes and channels for electrical wiring by extrusion. 25. Molded products or parts, as well as profiled products, sheet materials, pipes and channels for electrical wiring, obtained from molding materials according to one or more of the preceding paragraphs.