Polylactic acid toughened flame-retardant automobile blister material and preparation method thereof

Abstract

The invention discloses a polylactic acid toughened flame-retardant automobile blister material and a preparation process thereof. The material is characterized by being prepared from the following raw materials: acrylonitrile-butadiene-styrene copolymer (ABS), linear phenolic resin, microencapsulated red phosphorus, basic magnesium sulfate whisker, nitrile rubber, mesoporous molecular sieve SBA-15, ammonium polyphosphate, melamine formaldehyde resin, kaolin, Sb2O3, simethicone, graphene, polylactic acid, thermoplastic polyurethane elastomer, maleic anhydride grafted POE, gamma-(3-(trimethoxysilyl)propyl)ethane-1,2-diamine, antioxidant 168 and the like. According to the polylactic acid toughened flame-retardant automobile blister material, the mesoporous molecular sieve and the linear phenolic resin have a bonding effect to improve the thermal stability of matrix resin; microencapsulated ammonium polyphosphate and antimony oxide / kaolin composite flame-retardant micropowder have synergistic effects to achieve a better flame retardant effect; and the graphene is added into the ABS resin matrix, so that the flame retardant property and thermal stability of the resin can be remarkably improved, and the mechanical performance is higher. Therefore, the polylactic acid toughened flame-retardant automobile blister material is prepared.

Description

technical field [0001] The invention relates to the technical field of flame-retardant composite materials, in particular to a polylactic acid-toughened flame-retardant automobile plastic-absorbing material and a preparation process thereof. Background technique [0002] ABS is a terpolymer composed of acrylonitrile, butadiene and styrene. As a thermoplastic engineering plastic, it is widely used in the automotive industry, electronics, Electrical appliances, textiles, appliances and building materials and other fields. However, the flame retardancy of ABS resin is poor. How to find an additive that can improve the flame retardancy of ABS resin without reducing its excellent performance has become a research hotspot. [0003] Yang Bing used low-toxicity, low-smoke, high temperature resistance, high carbon residue rate, economical and efficient novolac resin as charcoal-forming material in his master's thesis "Research on Novolac Resin and Microcapsule Red Phosphorus Halogen...

AI Technical Summary

Problems solved by technology

However, the flame retardancy of ABS resin is poor. How to find an additive that can improve the flame retardancy of ABS resin without reducing its excellent performance has become a research hotspot.

[0003] Yang Bing used low-toxicity, low-smoke, high temperature resistance, high carbon residue rate, economical and efficient novolac resin as charcoal-forming material in his master's thesis "Research on Novolac Resin and Microcapsule Red Phosphorus Halogen-Free Flame Retardant ABS". As an agent, microencapsulated red phosphorus is used as a synergistic flame retardant, basic magnesium sulfate whiskers are used as inorganic flame retardant, and nitrile rubber with good compatibility with ABS matrix is ​​selected for toughening modification. After plasticizing on a double-roll mill at 180°C, add antioxidants and evenly mixed novolak resin, microcapsule red phosphorus, inorganic flame retardant basic magnesium sulfate whiskers, and nitrile rubber blends in sequence, and knead After uniformity, the material is discharged and placed in the mold, hot-pressed on a flat vulcanizing machine at 180°C for 10 minutes, and then cold-pressed at room temperature for 10 minutes, and the modified ABS plastic sheet is molded, but the flame retardant effect is insufficient.