High-elasticity ETPU semi-prefabricated composite type self-grain-connecting plastic track
By adopting ETPU semi-prefabricated composite self-textured plastic running track, the problems of large splicing seams, significant environmental impact during construction, and unstable performance in existing technologies have been solved. This has resulted in a plastic running track with high elasticity, good weather resistance, and long service life, thereby improving construction efficiency and track quality.
Patent Information
- Application Number
- CN202422595499.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-10-28
AI Technical Summary
Existing plastic running tracks often have large seams due to material aging, are greatly affected by the environment during construction (temperature and humidity), and have unstable performance after molding.
The high-elasticity ETPU semi-prefabricated composite self-textured plastic running track includes an adhesive layer, an elastic base layer, a joint filler layer, and a self-textured anti-slip layer. The elastic base layer, made of ETPU semi-prefabricated roll material and polyurethane adhesive, is combined with silane-modified polyurethane material and thixotropic agent to form a stable structure.
It improves the elasticity and impact resistance of the plastic running track, reduces the dependence of construction on the environment, enhances the service life and construction efficiency, reduces the labor intensity of workers, and ensures the flatness and weather resistance of the track.
Smart Images
Figure CN223723531U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sports facilities technical field, concretely is a high elasticity ETPU half prefabricated composite type self joint grain plastic track. BACKGROUND
[0002] The plastic track is also called all-weather track and field track, has the characteristics of good flatness, high compressive strength, proper hardness elasticity and stable physical performance, is beneficial to the exertion of the speed and technology of sports personnel, improves sports performance and reduces the probability of injury.
[0003] With the introduction of the "primary and secondary school synthetic material surface sports ground standard" of the country, the environmental protection performance and physical performance requirements of the track are raised to a new level.
[0004] The rubber prefabricated track on the market has the problem of large thermal expansion and cold shrinkage coefficient, and the splicing joint becomes larger and larger after the product ages, which seriously affects the appearance and use effect. The cast-in-place plastic track has long construction time, is greatly affected by environmental temperature and humidity, and is prone to problems of uneven thickness and substandard performance.
[0005] Therefore, how to provide a plastic track with excellent and stable elastic performance, good durability, no particle loss and long service life has become a technical problem to be solved by the technical personnel in the field. CONTENT OF THE UTILITY MODEL
[0006] (I) technical problem solved
[0007] In view of the deficiencies of the prior art, the utility model provides a high elasticity ETPU half prefabricated composite type self joint grain plastic track, and briefly describes the effect content.
[0008] (II) technical scheme
[0009] To achieve the above purpose, the utility model provides the following technical scheme: a high elasticity ETPU half prefabricated composite type self joint grain plastic track, the high elasticity ETPU half prefabricated composite type self joint grain plastic track includes bonding layer, elastic base layer, joint filling layer and self joint grain anti-skid layer distributed in turn from bottom to top.
[0010] The elastic base layer is arranged as an ETPU half prefabricated type coiled material.
[0011] The self joint grain anti-skid layer is provided with convex irregular orange pattern patterns.
[0012] Preferably, the ETPU half prefabricated type coiled material is made of TPU foaming particles and polyurethane adhesive and has uniform ETPU particles, and the ETPU particles have small gaps.
[0013] Preferably, the adhesive layer is made of a two-component silane modified polyurethane material with a ratio of 1:3.
[0014] Preferably, the gap filling layer is made of a two-component polyurethane material with a ratio of 1:3-4.
[0015] Preferably, the thickness of the elastic base layer is 9mm, the thickness of the gap filling layer is 1-2mm, and the thickness of the self-textured anti-skid layer is 2-3mm.
[0016] Preferably, the adhesive layer contains silane groups, the adhesive layer is a silane modified polyurethane material, and contains at least one of a silane coupling agent, a titanate coupling agent, an aluminate coupling agent, a bimetal coupling agent, a phosphate coupling agent, and a borate coupling agent.
[0017] Preferably, the gap filling layer contains reinforcing fibers.
[0018] Preferably, the self-textured anti-skid layer contains a thixotropic agent, and the thixotropic agent contains at least one of fumed silica, polyamide wax, organic bentonite, precipitated silica, and kaolin.
[0019] Preferably, the ETPU semi-preformed coiled material is formed by stirring TPU foaming particles and a thermosetting polyurethane adhesive, and then rotary cutting at high temperature and high pressure.
[0020] Preferably, the protruding irregular orange pattern is formed by spraying PU material.
[0021] (III) Beneficial effects
[0022] Compared with the prior art, the utility model provides a high elasticity ETPU semi-preformed composite self-textured plastic track, has the following beneficial effects:
[0023] The high elasticity ETPU semi-preformed composite self-textured plastic track has high elasticity, good impact resistance and shock absorption performance, can effectively protect the exerciser from knee injury caused by high ground hardness during exercise, meanwhile, the plastic track has high flatness, stable performance, good weather resistance, long service life, is convenient to lay, can speed up construction progress, reduces the probability of being affected by climate conditions during outdoor construction, thereby improving the quality of prepared plastic track, and effectively reducing the labor intensity of workers. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is the whole structure schematic view of the utility model.
[0025] Marked in the drawing: 1, adhesive layer;2, elastic base layer;3, gap filling layer;4, self-textured anti-skid layer. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Embodiment:
[0028] Please refer to Figure 1 A high-elasticity ETPU semi-preformed composite self-textured plastic track, which comprises, from bottom to top, a bonding layer 1, an elastic base layer 2, a joint filling layer 3, and a self-textured anti-skid layer 4.
[0029] The elastic base layer 2 is provided in the form of an ETPU semi-preformed coiled material.
[0030] The self-textured anti-skid layer 4 is provided with protruding irregular orange pattern patterns.
[0031] Specifically, the ETPU semi-preformed coiled material is made of TPU foaming particles and polyurethane adhesive and has uniform ETPU particles, and the ETPU particles have tiny gaps therebetween.
[0032] Specifically, the bonding layer 1 is provided in the form of a two-component silane-modified polyurethane material, and the ratio is 1:3.
[0033] Specifically, the joint filling layer 3 is made of a two-component polyurethane material, and the ratio is 1:3-4.
[0034] Specifically, the thickness of the elastic base layer 2 is 9 mm, the thickness of the joint filling layer 3 is 1-2 mm, and the thickness of the self-textured anti-skid layer 4 is 2-3 mm.
[0035] Specifically, the bonding layer 1 contains a silane group, is a silane-modified polyurethane material, and contains at least one of a silane coupling agent, a titanate coupling agent, an aluminate coupling agent, a bimetal coupling agent, a phosphate coupling agent, and a boric acid ester coupling agent.
[0036] Specifically, the joint filling layer 3 contains reinforcing fibers.
[0037] Specifically, the self-textured anti-skid layer 4 contains a thixotropic agent, and the thixotropic agent contains at least one of fumed silica, polyamide wax, organic bentonite, precipitated silica, and kaolin.
[0038] Specifically, the ETPU semi-preformed coiled material is formed by stirring TPU foaming particles and heat-cured polyurethane adhesive uniformly, and then being cut after high temperature and high pressure.
[0039] Specifically, the convex irregular orange patterns are formed after PU material spraying.
[0040] The existing plastic runway is greatly influenced by environment (humidity, temperature) during construction, and the comprehensive performance (mainly impact absorption and vertical deformation) after product forming is also easily influenced by climate. In order to improve the quality of the plastic runway, the elastic base layer 2 of the plastic runway is prefabricated in a factory, and then transported to the site for direct laying.
[0041] It should be noted that the terms "one embodiment", "an embodiment", "exemplary embodiment", "some embodiments", and / or the like, in the specification can refer to a particular feature, structure, or characteristic, but not every embodiment necessarily includes that particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of those skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
[0042] It will be readily understood that the terms "on", "above", and "on top of", in the disclosure, are to be interpreted in the broadest context to mean not only "directly on something", but also "on something with intervening feature(s) or layer(s) therebetween", and "above" or "on top of something" includes not only "above" or "on top of something" without intervening feature(s) or layer(s) therebetween (i.e., directly on something), but also "above" or "on top of something" with intervening feature(s) or layer(s) therebetween.
[0043] In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
[0044] It should be noted that, in the present document, relational terms such as "first" and "second", and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0045] Finally, it should be noted that the above-described embodiments are merely intended for describing and illustrating, not limiting, the technical solutions of the present application; even though the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some or all of the technical features; and such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments.
Claims
1. A high-elasticity ETPU semi-prefabricated composite self-textured plastic running track, characterized in that: The high-elasticity ETPU semi-preformed composite self-textured plastic track comprises, from bottom to top, a bonding layer (1), an elastic base layer (2), a joint filling layer (3), and a self-textured anti-skid layer (4); The elastic base layer (2) is provided in the form of an ETPU semi-preformed coiled material; The self-textured anti-skid layer (4) is provided with protruding irregular orange peel patterns; The thickness of the elastic base layer (2) is 9 mm, the thickness of the joint filling layer (3) is 1-2 mm, and the thickness of the self-textured anti-skid layer (4) is 2-3 mm.