A kind of automobile mat TPE composite material and preparation method thereof
A technology for composite materials and automobile floor mats, applied in the field of TPE composite materials for automobile floor mats and their preparation, can solve the problems of aging, peculiar smell, easy discoloration, etc., and achieve the effects of high slip resistance and increased service life
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[0027] The preparation method of the automobile foot pad TPE composite material comprises the following steps:
[0028] 1) Weigh the raw materials for making the XPE high-elasticity flame-retardant layer, mix and dry them, and use the extrusion foaming process to produce the XPE high-elasticity flame-retardant layer. The barrel temperature and flange temperature of the extrusion section are set to 90-120℃ , the mold temperature is set to 115-125 ° C, the extruder speed is 25-30 rpm; The foaming temperature is 200-240℃, and the speed of the steel mesh is 1.5-3m / min.
[0029] 2) Weigh the raw materials required for the production of the TPE mask layer / TPE bottom film layer, mix and dry evenly, and produce the TPE mask layer / TPE bottom film layer through a casting process extruder;
[0030] 3) The composite material is obtained by thermally bonding the TPE mask layer, XPE high-elasticity flame-retardant layer, glass fiber, XPE high-elasticity flame-retardant layer, and TPE botto...
Embodiment 1
[0038] A TPE composite material for automobile foot pads, which sequentially includes a TPE mask layer, an XPE high-elasticity flame-retardant layer, a glass fiber toughening layer, an XPE high-elasticity flame-retardant layer, and a TPE bottom film layer from top to bottom, and the preparation method is as follows:
[0039] 1) Weigh 100 parts of PE resin, 30 parts of EVA resin, 2 parts of color masterbatch, 20 parts of AC granulation material, 30 parts of DCP granulation material, 6 parts of flame retardant particles, and 0.8 part of antibacterial agent. The raw materials are mixed for 30min, placed in a 110℃ oven for dehumidification and drying for more than 4h, and then the XPE high-elasticity flame retardant layer is produced by the extrusion foaming process. , 110°C, 110°C, 108°C, 105°C, flange temperature is set to 95°C, mold temperature is set to 120°C for zones 1 to 6, extruder speed is 25r, master sheet thickness is 2.0mm, width is 65cm, the foaming adopts three-stage...
Embodiment 2
[0046] A TPE composite material for automobile foot pads, which sequentially includes a TPE mask layer, an XPE high-elasticity flame-retardant layer, a glass fiber toughening layer, an XPE high-elasticity flame-retardant layer, and a TPE bottom film layer from top to bottom, and the preparation method is as follows:
[0047]1) Weigh 100 parts of PE resin, 40 parts of EVA resin, 2 parts of color masterbatch, 30 parts of AC granulation material, 26 parts of DCP granulation material, 10 parts of flame retardant granules, and 1 part of antibacterial agent, and put them in a mixing mixer Mix the raw materials for 30 minutes, put them in an oven at 110°C for dehumidification and drying for more than 4 hours, and use the extrusion foaming process to produce the XPE high-elasticity flame-retardant layer; 108°C, 108°C, 105°C, 103°C, the flange temperature is set to 95°C, the mold temperature zone 1 to 6 is set to 118°C, the extruder speed is 22r, the thickness of the mother sheet is 2.0...
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