Preparation method of acrylonitrile-butadiene-styrene plastic-thermoplastic polyurethane elastomer rubber (ABS-TPU) assembly sports flooring

Abstract

The invention discloses a preparation method of an acrylonitrile-butadiene-styrene plastic-thermoplastic polyurethane elastomer rubber (ABS-TPU) assembly sports flooring, and belongs to the technicalfield of flooring processing. The flooring adopts a rotating disc type double-color gun, an ABS injecting gun injects ABS to serve as a bottom layer, and a TPU injecting gun injects TPU to serve as aface layer through physical foaming; the nozzle temperature of the ABS is 185-215 DEG C, and the nozzle temperature of the TPU is 200-250 DEG C; and the injection rate of each of the ABS and the TPU is 200-240 cm<3> / s. According to the preparation method, the physical foaming TPU material and the ABS material are subjected to physical contact combination through the double-color gun, compatibilityof the TPU and the ABS is greatly improved, the phenomena such as layering and cracking in the using process due to the fact that the ABS and the TPU are not prone to being compatible in the prior art are overcome, and meanwhile, the problems of performance reduction and instability caused during blending of the ABS and the TPU are avoided.

Description

technical field [0001] The invention relates to the technical field of floor processing, in particular to a method for preparing an ABS-TPU assembled sports floor. Background technique [0002] The soft plastic floor can not only give athletes who perform strenuous sports such as running and jumping a rebound response to run-up and jump, but also can cushion their legs when they land, thereby reducing injuries to athletes. Therefore, plastic flooring is widely used in indoor and outdoor sports venues. Being more and more popular, plastic flooring has gradually become the mainstream trend of indoor and outdoor sports venues. At present, the plastic floor on the market is mainly composite PVC plastic floor, but its main component PVC is easy to release carcinogen dioxin during processing and long-term storage, and PVC has poor stability to light and heat. Or exposed to sunlight for a long time, it will decompose to produce hydrogen chloride, and further autocatalyze and decom...

AI Technical Summary

Problems solved by technology

At present, the plastic floor on the market is mainly composite PVC plastic floor, but its main component PVC is easy to release carcinogen dioxin during processing and long-term storage, and PVC has poor stability to light and heat. Or exposed to sunlight for a long time, it will decompose to produce hydrogen chloride, and further autocatalyze and decompose, causing discoloration and rapid decline in physical and mechanical properties. In order to improve its stability, it is necessary to add plasticizers such as dibutyl terephthalate and phthalate Main excipients such as dioctyl dicarboxylate, anti-aging agent lead stearate, etc., all have certain toxicity

Moreover, the composite PVC plastic floor mainly uses a large amount of glue to realize the composite of different materials in the multi-layer composite process. On the one hand, the performance of the multi-layer composite floor is affected by the glue. On the other hand, the glue will release toxic substances such as formaldehyde and benzene. There are certain hazards to the human body and the environment, and it is easy to be delaminated by moisture, which affects its service life

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