High-flame-retardant cable material and preparation method thereof

• Main Authors: LI LEYANG, WEN JILUAN, SHI RONGBING
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The invention discloses a high-flame-retardant cable material and a preparation method thereof.Lignin adopted by the high-flame-retardant cable material is a natural organic high-molecular compound and is high in combustion char forming capacity, then polyethyleneimine is used for modifying the lignin, and by introducing nitrogen, the flame retardant property of the lignin is further enhanced; meanwhile, the polyethyleneimine is also a high-molecular compound, the polyethyleneimine is grafted on the surface of the lignin, the spatial network structure of the lignin is increased, a flexible carbon chain structure in the polyethyleneimine can absorb more energy when being impacted, and the toughening effect of the material is improved; besides, the amino silicon oil is used for modifying the nano silicon dioxide, the dispersing performance of the nano silicon dioxide in the resin is improved, meanwhile, the amino silicon oil has good adsorbability, the dispersity of the modified lignin in the resin can be impro