Environment friendly thermoplastic elastomer used as fire-retardant sealing strip and preparation method thereof
A thermoplastic elastomer and environment-friendly technology, which is applied to the preparation of the sealing strip, the environment-friendly thermoplastic elastomer and its use in the preparation of passenger car sealing strips, can solve the problems of waste of resources, environmental pollution, easy aging and cracking, etc. Improve production efficiency, good flexibility and high plasticity
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Embodiment 1
[0039] Embodiment one, 1, raw material preparation: each composition by following weight ratio:
[0040] SEBS 100 copies
[0041] 120 parts white mineral oil
[0042] Polypropylene PP 40 parts
[0043] EVA 50 parts
[0044] Calcium carbonate 50 parts
[0045] Decabromodiphenylethane 75 parts
[0046] Antimony trioxide 30 parts
[0047] Calcium stearate 0.3 parts
[0048] Anti-ultraviolet agent 0.3 parts
[0049] Antioxidant 0.2 part.
[0050] 2. Preparation equipment: twin-screw extrusion granulator, extruder, and prefabricated molds for manufacturing passenger car sealing strips.
[0051] 3. Preparation steps:
[0052] b. Pour SEBS into the mixer first;
[0053] c. Put the white mineral oil into the blender and stir for 3 minutes;
[0054] d. Put other raw materials into the mixer together, and stir for another 3 minutes to fully mix;
[0055] e. Put the mixed material into a twin-screw granulator to extrude and granulate at 200°C;
[0056] f. Put the finished pe...
Embodiment 2
[0070] 1. Raw material preparation: each ingredient according to the following weight ratio:
[0071] SEBS 100 copies
[0072] 180 parts white mineral oil
[0073] Polypropylene PP 80 parts
[0074] EVA 80 parts
[0075] Calcium carbonate 100 parts
[0076] Decabromodiphenyl ether 100 parts
[0077] Antimony trioxide 50 parts
[0078] 3 parts calcium stearate
[0079] Anti-ultraviolet agent 0.3 parts
[0080] Antioxidant 1 part.
[0081] 2. Preparation equipment: twin-screw extrusion granulator, extruder, and prefabricated molds for manufacturing passenger car sealing strips.
[0082] 3. Preparation steps:
[0083] b. Pour SEBS into the mixer first;
[0084] c. Put the white mineral oil into the blender and stir for 3 minutes;
[0085] d. Put other raw materials together and stir for another 3 minutes to fully mix;
[0086] e. Put the mixed material into a twin-screw granulator to extrude and granulate at 200°C;
[0087] f. Put the finished pellets into a single-s...
Embodiment 3
[0101] 1. Raw material preparation: each ingredient according to the following weight ratio:
[0102] SEBS 100 copies
[0103] 50 parts white mineral oil
[0104] Polypropylene PP 40 parts
[0105] EVA 50 parts
[0106] Calcium carbonate 50 parts
[0107] Decabromodiphenyl ether 50 parts
[0108] Antimony trioxide 20 parts
[0109] Calcium stearate 0.1 parts
[0110] Anti-ultraviolet agent 0.1 parts
[0111] Antioxidant 0.2 part.
[0112] 2. Preparation equipment: twin-screw extrusion granulator, extruder, and prefabricated molds for manufacturing passenger car sealing strips.
[0113] 3. Preparation steps:
[0114] b. Pour SEBS into the mixer first;
[0115] c. Put the white mineral oil into the blender and stir for 3 minutes;
[0116] d. Put other raw materials together and stir for another 3 minutes to fully mix;
[0117] e. Put the mixed material into a twin-screw granulator to extrude and granulate at 200°C;
[0118] f. Put the finished pellets into a single-...
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