Polyethylene flame-retardant pipe

The polyethylene flame-retardant pipe comprises a flame-retardant layer, and the flame-retardant layer is prepared from the following raw materials in parts by weight: 70 to 80 parts of HDPE (High-Density Polyethylene), 1 to 2.5 parts of aliphatic amide, 3 to 5 parts of flame retardant, 3 to 11.1 pa...

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Bibliographische Detailangaben
Hauptverfasser:	LYU AILONG, ZHAO XIALONG, ZHONG PEIYONG, LU WEIHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS
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Beschreibung
Zusammenfassung:	The polyethylene flame-retardant pipe comprises a flame-retardant layer, and the flame-retardant layer is prepared from the following raw materials in parts by weight: 70 to 80 parts of HDPE (High-Density Polyethylene), 1 to 2.5 parts of aliphatic amide, 3 to 5 parts of flame retardant, 3 to 11.1 parts of expansible graphite, 2.5 to 4.9 parts of metal hydroxide, 1 to 1.5 parts of granulation softener, 0.5 to 1 part of peroxide, 0.5 to 3 parts of crosslinking aid, 0.5 to 1 part of antioxidant and 0.5 to 1 part of light stabilizer. The polyethylene flame-retardant pipe material comprises the flame-retardant layer, the flame-retardant layer takes high-density polyethylene as a main material, and the flame retardant, the expansible graphite, the metal hydroxide and the antioxidant are added in a matched manner and are uniformly dispersed in a system under the assistance of special interface lubrication of aliphatic amide; meanwhile, the flame retardant, the metal hydroxide and the expansible graphite have a syner