| abstract |
The invention discloses a kind of flame-retardant elastomer, it is characterised in that: its basic recipe and mass percent be: TPO: 45%～55%, expansion type flame retardant: 30%～40%, silicon dioxide: 3%～4.5%, maleic anhydride stem grafting polyolefin thermoplastic elastomer (TPE): 3.5%～8.5%, surface modifier: 0.2%～0.4%, anti-dripping agent: 0.3%～0.5%, antioxidant: 0.7%～1.0%, lubricant: 0.9%～1.2%, other auxiliary agents: 2.0%～3.0%.The expansion type flame retardant used in the present invention is the mixture that a kind of triazine system macromolecule becomes that charcoal foaming agent and modified ammonium polyphosphate compound with certain proportion, has the highest flame retarding efficiency. |