PA6 buckle material for fixing sound-absorbing module and preparation method of material

Abstract

The invention discloses a PA6 buckle material for fixing a sound-absorbing module. The PA6 buckle material is prepared from, by weight, 50-85 parts of injection grade PA6 base material of which the viscosity ranges from 2.6 to 2.9, 15-50 parts of short-cut or continuous glass fibers, 0.1-0.8 part of antioxidant 1010 or 1098, 0.1-0.8 part of antioxidant 168, 0.1-1 part of UV agent 2020 or 770 or 4050, 0.1-1 part of UV agent 234 or 944 or 622, 1-3 parts of carbon black and 0.1-1 part of lubricating agent. According to the PA6 buckle material for fixing the sound-absorbing module, a nylon 6 based high polymer material blending modification technology is adopted, and by means of melting mixing and extruding methods such as glass fiber reinforcing, processing stabilizing and thermal-oxidation stabilizing, the PA6 buckle material for fixing the sound-absorbing module is obtained.

Description

technical field

[0001] The invention belongs to the technical field of polymer material processing and application, and in particular relates to a PA6 buckle material for fixing a sound-absorbing module and a preparation method thereof. Background technique

[0002] At present, while the construction of light rail and subway in China provides convenient transportation, it also brings about noise pollution. Laying sound-absorbing modules along the road is one of the effective ways to reduce noise pollution. With the continuous innovation and development and application of new polymer material technology, the frame and core layer of sound-absorbing module materials have been completely made of plastic materials, which not only reduces the weight of the module, is easy to construct and operate, but also solves the problem of metal materials. Poor corrosion resistance, affecting service life, increasing maintenance costs and other issues. However, the buckle material of the fi...

Examples

Embodiment 1

[0016] Example 1, a PA6 buckle material used to fix the sound-absorbing module is composed of 85kg of PA6 BL2280, 15kg of glass fiber ECS301CL, 0.8kg of antioxidant 1010, 0.1kg of antioxidant 168, and 1kg of UV 770, 0.1kg of UV944, 3kg of carbon black, 0.1kg of lubricant AC-540, the preparation method is: mix other components except glass fiber together in a low-speed mixing equipment for 3-30 minutes, The mixed material is put into the main silo of the twin-screw extruder, and the glass fiber is put into the side silo, melted and extruded at a barrel temperature of 180-250°C, cooled by conveyor belt or water bath, and then passed through a pelletizer. Granulate to obtain PA6 buckle material for fixing the sound-absorbing module.

Embodiment 2

[0017] Example 2, a PA6 buckle material used to fix the sound-absorbing module is made of 50kg of PA6 BL2280, 50kg of glass fiber ECS301CL, 0.1kg of antioxidant 1098, 0.8kg of antioxidant 168, and 0.1kg of UV2020, 1kg of UV234, 1kg of carbon black, and 0.1kg of lubricant calcium stearate are made, and its preparation method is the same as in Example 1.

Embodiment 3

[0018] Example 3, a PA6 buckle material used to fix the sound-absorbing module is made of 65kg of PA6 BL2280, 35kg of glass fiber ECS301CL, 0.4kg of antioxidant 1010, 0.5kg of antioxidant 168, and 0.5kg of The UV622 of UV 4050, 0.6kg, the carbon black of 2kg, the lubricant WE-3 of 0.55kg are made, and its preparation method embodiment 1 is the same.

[0019] The embodiment of the present invention adopts but is not limited to the following equipment: vertical or horizontal high and low mixing equipment, parallel twin-screw L / D=30-50 extrusion equipment, adopts a water bath or conveyor belt wind cooling mode, and is processed by a pelletizer. pellets to produce the final specialty material.

[0020] Material properties of the present invention:

[0021]

technical field

[0001] The invention belongs to the technical field of polymer material processing and application, and in particular relates to a PA6 buckle material for fixing a sound-absorbing module and a preparation method thereof. Background technique

[0002] At present, while the construction of light rail and subway in China provides convenient transportation, it also brings about noise pollution. Laying sound-absorbing modules along the road is one of the effective ways to reduce noise pollution. With the continuous innovation and development and application of new polymer material technology, the frame and core layer of sound-absorbing module materials have been completely made of plastic materials, which not only reduces the weight of the module, is easy to construct and operate, but also solves the problem of metal materials. Poor corrosion resistance, affecting service life, increasing maintenance costs and other issues. However, the buckle material of the fi...

Examples

Embodiment 1

[0016] Example 1, a PA6 buckle material used to fix the sound-absorbing module is composed of 85kg of PA6 BL2280, 15kg of glass fiber ECS301CL, 0.8kg of antioxidant 1010, 0.1kg of antioxidant 168, and 1kg of UV 770, 0.1kg of UV944, 3kg of carbon black, 0.1kg of lubricant AC-540, the preparation method is: mix other components except glass fiber together in a low-speed mixing equipment for 3-30 minutes, The mixed material is put into the main silo of the twin-screw extruder, and the glass fiber is put into the side silo, melted and extruded at a barrel temperature of 180-250°C, cooled by conveyor belt or water bath, and then passed through a pelletizer. Granulate to obtain PA6 buckle material for fixing the sound-absorbing module.

Embodiment 2

[0017] Example 2, a PA6 buckle material used to fix the sound-absorbing module is made of 50kg of PA6 BL2280, 50kg of glass fiber ECS301CL, 0.1kg of antioxidant 1098, 0.8kg of antioxidant 168, and 0.1kg of UV2020, 1kg of UV234, 1kg of carbon black, and 0.1kg of lubricant calcium stearate are made, and its preparation method is the same as in Example 1.

Embodiment 3

[0018] Example 3, a PA6 buckle material used to fix the sound-absorbing module is made of 65kg of PA6 BL2280, 35kg of glass fiber ECS301CL, 0.4kg of antioxidant 1010, 0.5kg of antioxidant 168, and 0.5kg of The UV622 of UV 4050, 0.6kg, the carbon black of 2kg, the lubricant WE-3 of 0.55kg are made, and its preparation method embodiment 1 is the same.

[0019] The embodiment of the present invention adopts but is not limited to the following equipment: vertical or horizontal high and low mixing equipment, parallel twin-screw L / D=30-50 extrusion equipment, adopts a water bath or conveyor belt wind cooling mode, and is processed by a pelletizer. pellets to produce the final specialty material.

[0020] Material properties of the present invention:

[0021]

Images