摘要:
The present invention in a first embodiment relates to a conduit or automotive wire consisting of an inner conductor core surrounded by a flame retardant layer made of a polymer composition in a continuous process which composition comprises
(A) an olefin homo- and/or copolymer, (B) a silicone-group containing compound, and (C) an inorganic filler,
wherein the ratio of the MFR 2 measured under a load of 2.16 kg and at a temperature of 190 °C of component (A) to the MFR 2 measured under a load of 2.16 kg and at a temperature of 190 °C of the composition is higher than 3.5, and the wire has a length of at least 100 m. In a second embodiment, the present invention relates to a power or communications cable or wire comprising a flame retardant layer made of a polymer composition comprising
(A) an olefin homo- and/or copolymer, (B) a silicone-group containing compound, and (C) an inorganic filler,
wherein the ratio of the MFR 2 measured under a load of 2.16 kg and at a temperature of 190 °C of component (A) to the MFR 2 measured under a load of 2.16 kg and at a temperature of 190 °C of the composition is higher than 3.5, the cable or wire further comprising at least one further layer.
摘要:
The present invention relates to a flame retardant polymer composition comprising (A) an ethylene copolymer comprising alkyl acrylate comonomer units, (B) coated aluminum hydroxide as filler material (C) a nanofiller to an article, in particular a wire or cable, comprising said flame retardant polymer composition, and to the use of said composition for the production of a layer of a wire or cable. The invention is furthermore directed to a process for producing a flame retardant polymer composition.
摘要:
The present invention relates to a flame retardant polymer composition comprising
(A) a polymer, (B) a silicone-group containing compound, (C) an inorganic filler in an amount of at least 10 wt% of the total polymer composition, wherein component (C) has a particle size distribution so that at least 10 wt% of the total polymer composition are particles with a size of below 0.7 micrometers. Furthermore, the invention relates to the use of such a composition in a conduit, plug, wire or cable or for injection moulding, and to a wire or cable having a layer comprising such a composition.
摘要:
The present invention relates to a flame retardant polymer composition comprising (A) a polar ethylene copolymer comprising alkyl acrylate comonomer units, (B) coated aluminum hydroxide as filler material to an article, in particular a wire or cable, comprising said flame retardant polymer composition, and to the use of said composition for the production of a layer of a wire or cable. The invention is furthermore directed to a process for producing a flame retardant polymer composition.
摘要:
The present invention relates to a low voltage power cable comprising an insulation layer with a density below 1100 kg/m 3 which comprises a polyolefin comprising 0.02 to 4 mol% of a compound having polar groups. Furthermore, the present invention relates to a process for the production of said low voltage power cable and to the use of a polyolefin comprising 0.02 to 4 mol% of a compound having polar groups in the production of an insulation layer for a low voltage power cable.