Thermoplastic elastomer composition and resin as well as preparation method and application of thermoplastic elastomer composition and resin in manufacturing of runways and courts
A thermoplastic elastomer and composition technology, used in roads, roads, buildings, etc., can solve the problems of long-term exposure to high temperature or strong ultraviolet radiation, and can not meet sports wear resistance, achieve no irritating odor, improve resistance Grinding performance, the effect of excellent weather resistance
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[0052] A preparation method of thermoplastic elastomer resin, the preparation method includes the following steps:
[0053] 1) According to the proportion in the thermoplastic elastomer composition of any one of claims 1-5, mix the SEBS resin and white oil for 5-10 minutes uniformly, and let stand for 12-24 hours to obtain a mixture;
[0054] 2) Add polypropylene, fillers, lubricants, antioxidant additives, aging resistance additives, crosslinking agents and wear resistance additives to the above mixture, and mix them evenly;
[0055] 3) Extrude and pelletize through a twin-screw extruder to obtain
[0056] The preparation method according to claim 6, characterized in that in step 3), the temperature of the first zone of the twin-screw extruder is 150-170°C, and the temperature of the die and other zones is 190-230°C.
[0057] The fourth object of the present invention is to provide an application of thermoplastic elastomer composition and resin in making outdoor track and / or court.
[0...
Example Embodiment
[0061] Example 1:
[0062] A thermoplastic elastomer resin, and its specific preparation method is as follows:
[0063] 1) Add 20wt% of star-shaped SEBS resin and 37wt% of paraffin-based white oil to the high-speed mixer, mix for 5 minutes, and then stand for 12 hours;
[0064] 2) Add 10wt% of copolymerized polypropylene, 30wt% of talc, 1wt% of calcium stearate, 0.2wt% of antioxidant 1098, 0.1wt% of antioxidant 168, 0.1wt% of diisopropyl peroxide Propylbenzene, 0.2wt% ultraviolet absorber UV-9, 0.2wt% light stabilizer 770 and 1.2wt% tetrapod zinc oxide whiskers were mixed for 10 minutes;
[0065] 3) Put the mixed materials into the twin-screw extruder, the temperature of the first zone of the twin-screw extruder is 150-170℃, and the temperature of the head and other zones is 190-230℃; extrusion and pelletizing are ready.
[0066] Table 1 shows the performance test data of the environmentally friendly wear-resistant and weather-resistant thermoplastic elastomer composition prepared in t...
Example Embodiment
[0067] Example 2:
[0068] A thermoplastic elastomer resin, the specific preparation method is as follows:
[0069] 1) Add 40wt% linear SEBS resin and 20wt% naphthenic white oil to the high-speed mixer, mix for 7 minutes, and then stand for 15 hours;
[0070] 2) Add 20wt% of homopolypropylene, 18wt% of talc, 0.8wt% of PE wax, 0.3wt% of antioxidant 245, 0.3wt% of dioctadecyl thiodipropionate, 0.1wt% 2% by weight of dicumyl peroxide, 0.2% by weight of UV absorber UVP-327, 0.1% by weight of light stabilizer 744 and 0.2% by weight of tetrapod zinc oxide whiskers mixed for 8 minutes;
[0071] 3) Put the mixed materials into the twin-screw extruder, the temperature of the first zone of the twin-screw extruder is 150-170℃, the temperature of the head and other zones is 190-230℃, and pelletize after extrusion.
[0072] Table 1 shows the performance test data of the environmentally friendly wear-resistant and weather-resistant thermoplastic elastomer composition prepared in this example.
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