Flame-retardant wide-temperature-range high damping composite material and preparation method thereof

Abstract

The invention relates to a flame-retardant wide-temperature-range high damping composite material and a preparation method thereof, which belongs to the field of a damping functional material. The flame-retardant wide-temperature-range high damping composite material comprises the following components in parts by weight: 100 parts of matrix resin, 100 to 200 parts of petroleum asphalt, 150 to 300parts of flame retardant agent, 150 to 300 parts of reinforcing agent, 1 to 3 parts of anti-aging agent, 10 to 25 parts of vulcanizing system, 3 to 5 parts of interface agent, and 5 to 10 parts of functional additives. By adopting a mixing, extrusion and calendaring method, the prepared flame-retardant wide-temperature-range high damping composite material has excellent damping performance, significant damping and noise reduction effect, and wide-temperature-range and wide-frequency-range adaptability; the flame-retardant wide-temperature-range high damping composite material is excellent in flame retardant performance and capable of being automatically extinguished without fire and has no liquid droplets; and the flame-retardant wide-temperature-range high damping composite material is environment-friendly, stable in performance, capable of meeting the application requirements for damping and noise reduction of vehicles in the field of traffic transportation, and wide in application prospect in the industries such as cars, high-speed railways, ships and the like.

Description

technical field

[0001] The invention relates to the field of damping functional materials, in particular to a flame-retardant wide temperature range high damping composite material and a preparation method thereof. Background technique

[0002] Vehicles, subways, high-speed rails and other means of transportation are closely related to our lives. The vibration and noise generated during their operation not only cause a significant decrease in ride comfort, but also seriously affect the normal life of surrounding residents. Spraying / paving viscoelastic damping materials inside the vehicle chassis and body profiles is an effective means of reducing vibration and noise.

[0003] The commonly used viscoelastic damping material is a polymer material with special viscoelasticity, which mainly utilizes the relaxation effect of the molecular chain segment of the polymer material in a certain temperature range. Under the action of vibration load, the molecular chains of polymer visc...

Images