377results about "Ground pavings" patented technology

The invention discloses a recyclable lawn and a preparation method thereof, and belongs to the technical field of artificial turfs. The lawn sequentially comprises artificial grass yarns, a base cloth layer and a back glue layer from top to bottom, the artificial grass yarns and the base cloth layer are made of polyolefin; the back adhesive layer is prepared from the following components in parts by weight: 4 to 8 parts of polyolefin elastomer, 10 to 20 parts of olefin block copolymer, 20 to 30 parts of hydrogenated styrene-butadiene copolymer, 8 to 12 parts of styrene-isoprene copolymer, 10 to 12 parts of butadiene-styrene rubber, 2 to 6 parts of ethylene-acrylic acid copolymer, 15 to 30 parts of plasticizer, 0.1 to 0.4 part of antioxidant, 3 to 6 parts of compatilizer and 2 to 4 parts of modified filler; according to the lawn, the artificial grass yarns, the base cloth layer and the gum layer are similar in component, so that the lawn can be conveniently and integrally recycled subsequently, the utilization rate of the lawn gum is increased, and resource waste is reduced.

The invention discloses a rubber particle preparation method based on recycled tennis balls, an environment-friendly runway construction method and an environment-friendly runway, and belongs to the field of runway construction.The method comprises the following steps that Sa1, the recycled tennis balls with impurities removed are put into a smashing machine at a constant speed, and surface felt and a rubber inner core are smashed and separated through the smashing machine; sa2, disinfection and washing are carried out; sa3, separating the fibers from the rubber particles; sa4, naturally air-drying the fibers and the rubber particles; sa5, classifying and screening; and Sa6, classifying, sealing and storing. By the adoption of the rubber particle preparation method based on the recycled tennis balls, the environment-friendly runway construction method and the environment-friendly runway, vulcanized rubber resources in the waste tennis balls can be efficiently recycled, meanwhile, high-valued application of the resources is achieved through the following environment-friendly runway construction steps, and a complete technical closed loop of recycling, preparation and application is formed.

The invention belongs to the technical field of polymer compositions, and particularly relates to a high-weather-resistance artificial turf and a preparation method thereof. The high-weather-resistance artificial turf is prepared from the following components in parts by mass: 125 to 160 parts of matrix resin, 8 to 12 parts of coloring master batch, 6 to 8.5 parts of microcapsule compound, 5.8 to 10 parts of functional additive and 3 to 7 parts of lubricant, wherein the microcapsule is prepared by compounding a shell material obtained by reacting diisocyanate with polyamine and a core material which is a phase change material. The preparation method comprises the following steps: premixing matrix resin, coloring master batch, a microcapsule compound, a functional additive and a lubricant, and carrying out melt extrusion, wire drawing and shaping to obtain the artificial grass. And implanting the artificial grass into the base cloth, and carrying out gum coating, cutting and rolling to obtain the high-weather-resistance artificial turf. The microcapsules and the hydroxypropyl methyl cellulose are doped in the matrix resin, so that the artificial turf still has stable elasticity, strength and wear resistance in complex temperature and humidity environments.

To provide an artificial turf that can stably fix a photocatalytic substance to the surface of the artificial turf and exhibit an environmental purification function for a long period of time. [Solution] The artificial turf (1) according to the present invention is structured with grass blades (10) made of resin and a base layer (20) that supports the grass blades. A photocatalytic layer (10a) made of spear-shaped titanium dioxide particles derived from a peroxotitanium-based coating agent is formed on the surface of the grass blades (10). The high aspect ratio structure of the spear-shaped titanium dioxide particles creates an anchoring effect on the grass blade surface, significantly improving the mechanical adhesion and abrasion resistance of the photocatalytic layer (10a).

To provide a construction method of a high-quality outdoor ground or outdoor coat allowing the deformation of an ascon layer expanded or contracted caused by the different thermal expansion coefficients of the ascon layer composed of asphalt or the like and a surface layer.SOLUTION: An outdoor ground or an outdoor coat 1 is constructed by forming a surface layer 5 including rubber chips or a hard coat on an ascon layer 3 for preventing the protrusion and crack of the ascon layer 3 composed of asphalt or concrete. A slit 30 having a different thermal expansion coefficient between the ascon layer 3 and the surface layer 5 and having a gap capable of deforming the ascon layer 3 expanded or contracted caused by warming is formed on an upper surface 31 of the ascon layer 3, and the surface layer 5 is formed on the ascon layer 3 formed with the slit 30 through an insulating sheet.SELECTED DRAWING: Figure 5

The invention discloses a construction method of a sports field adopting ultra-light odorless particles, and relates to the technical field of high polymer material processing.The construction method comprises the steps that raw materials are pretreated, and polyether polyol, a foaming agent, an amine catalyst, a tin catalyst and a foam stabilizer are mixed and stirred to prepare a foaming precursor; foaming and forming, namely pouring the precursor into a mold at high pressure, preserving heat and pressure, and foaming into a block material; crushing and granulating, namely crushing blocks, grading and screening to obtain particles of 1-10mm; mixing on site, and stirring and coating the glue and the particles according to the ratio of 1: 2.5; paving and compacting: paving the base layer with the material, and compacting to form an elastic base layer; surface layer spraying, wherein fine particles and waterproof color paste are mixed according to the ratio of 1: 1, sprayed and dried to form a wear-resistant surface layer; and marking and delivering, namely marking after the surface layer is dried, and delivering if the detection is qualified. The particles prepared by the method are super easy to process, and after construction, the field structure is compact, the performance is stable, the environmental protection property reaches the standard, the service life is long, the process controllability is high, large-scale production can be realized, and the construction requirements of various sports fields such as campuses, communities and professional venues are met.

Disclosed is an artificial turf fiber (204, 502-510, 804, 902-906, 1500, 1602-1618) comprising a longitudinal cross-sectional profile, the artificial turf fiber being under internal stress that causes the artificial turf fiber, upon receiving heat treatment, to assume a helical shape, wherein the core of the fiber consists of or predominantly comprises a core polymer, and wherein the periphery of the fiber consists of or predominantly comprises a cladding polymer, wherein the core polymer and the cladding polymer are different polymer materials, and wherein the core and cladding polymers are selected such that the core polymer undergoes greater shrinkage than the cladding polymer when subjected to the heat treatment.

The utility model is applicable to the field of artificial ski fields, and provides an artificial ski field based on a box body structure and a control system thereof, the artificial ski field comprises a frame structure formed by a plurality of bottom ribs and stand columns, and the frame structure is fixedly connected with a heat preservation top plate and a plurality of heat preservation vertical plates; the bottom ribs, the stand columns, the heat-preservation top plate and the multiple heat-preservation vertical plates jointly form a box body structure. A skiing blanket device with the inclination angle capable of being adjusted in an electric control mode is installed in the box structure, a first display unit is installed in front of the running direction of the skiing blanket device, and a detector is installed in the box structure. Therefore, the device can be conveniently disassembled and assembled, the construction period is shortened, and the device can be moved, adjusted and optimized according to needs. And the area of the ski field is expanded by increasing the box body. And the construction cost is relatively low, the device can be repeatedly used, and the long-term operation cost is greatly reduced.

Use of a spreading granulate as infill granulate for grass and artificial turf pitches, wherein the infill granulate comprises a polymer matrix with a proportion of between 10 wt.% and 100 wt.% of at least one biodegradable polymer and at least one filler from the group of natural fillers embedded in the polymer matrix with the at least one biodegradable polymer, characterized in that the infill granulate comprises at least one filler from the group of crushed fruit kernels with a higher hardness than that of the polymer matrix.

A tufted article (e.g., an artificial turf panel) having a backing and a plurality of tufts extending through the backing. The plurality of tufts are distributed among a plurality of patterned regions. Each patterned region has at least one tuft of the plurality of tufts. The tufts of each patterned region differ from the tufts of at least one other patterned region of the tufted article in at least one of color, pile height, yarn type, or yarn density. At least one patterned region creates a longitudinal discontinuity in the color pattern of the tufted article. The tufted article does not have a seam. Complementary side edges of the tufted articles can be secured together to form at least a portion of the surface covering without the need for cutting or the use of inlay components.

The present application relates to a kind of seamless connection sports ground and its construction method.The ground includes PVC roll material and field draw coating solidified acrylic surface layer, the PVC roll material includes high-density PVC layer at bottom and dense structure PVC layer compound on its upper portion.The whole seamless connection of sports ground is realized by the process of double-layer PVC roll material-surface layer seamless draw coating.The ground has excellent impact absorption, ball rebound and anti-skid performance, and good durability, low maintenance cost, suitable for various professional and public sports venues.

A method for forming an extruded geomembrane with a plurality of angularly bent projections extending from a surface of the extruded geomembrane sheet and the geomembrane sheet moving relative to an elongated member orientated at an oblique angle with a lower end vertically spaced from the geomembrane sheet intermediate the surface and a height of the respective tapered projection, whereby the tapered projections impacting the elongated member bend on a line at an oblique angle relative to the geomembrane sheet. An apparatus has an elongated member positioned intermediate the surface and the height of the respective projection for bending the projections at an oblique angle relative to the geomembrane sheet moving in sliding contact with the elongated member.

A granule for use as an infill for an artificial turf system, wherein said granule comprises substantially amorphous polyhydroxy alkanoate (PHA) and a pigment or pigment masterbatch.

A system for manufacturing synthetic turf is disclosed that includes an indexing system configured to affix an indexing device to a backing material, a tufting machine configured to receive the backing material and yarn and to fabricate the synthetic turf by tufting the yarn in the backing material and a controller configured to read the indexing device and to post process the synthetic turf as a function of the indexing device.

The present application provides a hybrid runway article comprising from top to bottom: (I) a topcoat layer made from a first composition comprising an externally emulsified polyurethane dispersion and rubber particles, wherein the externally emulsified polyurethane dispersion is derived from: (Ai) an isocyanate component comprising one or more compounds having at least two isocyanate groups, (Bi) an isocyanate-reactive component comprising one or more compounds having at least two isocyanate-reactive groups, (Ci) an optional catalyst, (Di) an external emulsifier, (Ei) a chain extender, and (Fi) water, and (II) a bottom layer made from a second composition comprising a 1K solventless polyurethane binder and rubber particles.

The invention relates to a heat preservation construction method for a space double-curved-surface shell structure. The heat preservation construction method is suitable for complex three-dimensional curved-surface structures such as snowmobile and sleigh racing tracks. The method adopts a composite process of mainly spraying polyurethane and assisting local polyurethane plates, and comprises the following steps: firstly, pre-installing polyurethane plates in corner angle areas such as a special-shaped support and a cornice, and then carrying out multi-layer polyurethane on-site spraying on double-curved-surface shell subareas of space at the back and the bottom of a racing track, with the thickness of each layer being less than or equal to 20mm; in the spraying process, the thickness is measured in real time through a probe and dynamically adjusted till the total thickness reaches the design value and the error is smaller than or equal to + / -10 mm; and finally, trimming and cutting the surface and edges and corners, leveling and constructing a protective layer. According to the method, the thermal insulation layer which is integrally continuous, free of cold seams, accurate in thickness and clear in local corner angle is formed at a time, the problems that a complex curved-surface thermal insulation layer cannot be spliced and cannot be measured accurately, and a cold bridge exists are thoroughly solved, refrigeration energy consumption is remarkably reduced, the ice surface quality is improved, and the method is successfully applied to the snowmobile sleigh center of Beijing winter America.

The invention discloses polypropylene flame-retardant plastic as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The polypropylene flame-retardant plastic is prepared from the following raw materials in parts by mass: 70 to 80 parts of polypropylene, 15 to 25 parts of halogen-free flame retardant, 1 to 5 parts of flame-retardant synergist, 5 to 15 parts of flexibilizer, 0.1 to 0.5 part of antioxidant and 0.5 to 2 parts of lubricant. The halogen-free flame retardant with a specific structure is matched with the flame-retardant synergist, so that a compact and stable carbon layer can be formed on the surface of a polypropylene matrix, heat and oxygen are effectively isolated, and release of combustible gas is inhibited, so that the flame-retardant performance is remarkably improved, the combustion spreading speed is reduced, and the vertical combustion grade is improved.

The utility model discloses a composite type artificial turf shock pad layer, and particularly relates to the technical field of artificial turfs, the composite type artificial turf shock pad layer comprises an elastic supporting frame, a plurality of supporting assemblies are filled in the elastic supporting frame, and each supporting assembly comprises a positioning column arranged in the elastic supporting frame. A plurality of elastic supporting cylinders used for supporting are distributed on the outer side of the positioning column. The supporting assembly, the elastic supporting frame and the elastic supporting pad are stressed to deform and sink downwards to abut against the positioning column, the positioning column is pressed to move downwards and enable the elastic supporting barrel to deform, when the elastic supporting barrel deforms, all the rubber balls in the elastic supporting barrel extrude one another to absorb and release the received pressure, impact force is reduced, and the service life of the elastic supporting barrel is prolonged. And when the elastic supporting pad deforms, airflow in the elastic supporting frame can be extruded, so that the airflow in the elastic supporting frame can be exhausted through the exhaust holes, the multi-layer damping function on the lawn is achieved, spring equipment does not need to be additionally installed, and the practicability is good while the cost is reduced.

The invention relates to a method of making an acoustic product and a novel acoustic product, wherein the acoustic product is made by adhering a facing to a first major surface of an acoustic insulation element by the use of an adhesive and curing the adhesive. The adhesive is an aqueous adhesive composition which is free of phenol and formaldehyde and comprises:a component (i) in form of one or more lignosulfonate lignins having a carboxylic acid group content of 0.03 to 2.0 mmol / g, such as 0.03 to 1.4 mmol / g, such as 0.075 to 2.0 mmol / g, such as 0.075 to 1.4 mmol / g, based on the dry weight of the lignosulfonate lignins,a component (ii) in form of one or more cross-linkers.

The utility model relates to the field of plastic runways, and discloses a combined type plastic runway buffer structure which comprises a supporting assembly and a positioning assembly, the positioning assembly is installed at the bottom of the supporting assembly, the supporting assembly comprises a bottom plate and a waterproof film, the top of the waterproof film is coated with a bonding layer, and the bonding layer is arranged on the bottom plate. Sealing sleeves are connected to the positions, close to the two sides, between the bottom plate and the waterproof film, the top of the bottom plate is filled with an elastic plastic layer, the top of the elastic plastic layer is filled with a rubber particle layer, and a plurality of rubber columns are installed in the elastic plastic layer and the rubber particle layer in a penetrating mode. The rubber columns are sealed, so that the overall buffering is improved, external moisture is prevented from entering, and the expansion can be adapted in the buffering process; and through the grating plate and the leveling layer, the adhesive force of the grating plate is increased, overall supporting and fixing are improved, and separation caused by sliding between the grating plate and the ground is prevented.

The invention relates to method for producing an artificial turf, comprising the following steps: providing a carrier material having a top and a bottom, providing a plurality of fibres, wherein each fibre comprises two ends extending from the top of the carrier material and comprising a connected region arranged in a loop-like manner at the bottom of the carrier material; feeding the carrier material with the fibres to a heated rotating calender roller; guiding the carrier material with the fibres over at least one sub-region of the surface of the heated rotating calender roller, wherein the connected regions of the fibres and the bottom of the carrier material face the calender roller; during the guiding of the carrier material with the fibres over the at least one sub-region of the surface of the heated rotating calender roller: transferring heat from the heated rotating calender roller to the carrier material with the fibres, and fusing the connected regions of the fibres with the bottom of the carrier material to the artificial turf, and removing and cooling the artificial turf. The invention further relates to an artificial turf comprising: a carrier material having a top and a bottom; a plurality of fibres, wherein each fibre comprises two ends extending from the top of the carrier material and comprising a connected region arranged in a loop-like manner at the bottom of the carrier material, wherein the carrier material is fused at the bottom to the connected regions of the fibres.

The present invention is directed to a solid state binder composition, in particular for preparing mineral fiber products.

The utility model relates to the technical field of plastic runways, and discloses a permeable plastic runway which comprises a foundation layer and a drainage channel, a concrete layer is arranged on the top of the foundation layer, a drainage layer is arranged on the top of the concrete layer, a polyurethane surface layer is arranged on the top of the drainage layer, and a waterproof layer is arranged on the top of the polyurethane surface layer. And a surface particle layer is arranged at the top of the polyurethane surface layer, the outer surfaces of the two winding shafts are fixedly sleeved with winding wheels, winding ropes are wound around the outer surfaces of the winding wheels, and the other ends of the winding ropes are fixedly connected with a bearing box. Accumulated water enters a drainage layer through a drainage seam and a permeable layer and is drained into a drainage channel in a cavity, the situation that the service life of the plastic runway is affected due to accumulation of the accumulated water on the plastic runway is avoided, sundries are collected through a receiving box, and by arranging a winding shaft, a winding wheel and a winding rope in cooperation with a crank, a driving bevel gear and a driven bevel gear, the service life of the plastic runway is prolonged. And the receiving box is put away, and impurities in the receiving box are cleaned.

The full-plastic EPDM particle runway comprises an EPDM particle layer, an elastic layer and a supporting layer, the elastic layer is arranged at the bottom of the EPDM particle layer, a water absorption layer is arranged at the bottom of the elastic layer, drainage ports are formed in the two sides of the water absorption layer, the supporting layer is arranged at the bottom of the water absorption layer, a supporting piece is arranged in the supporting layer, and the supporting piece is arranged on the bottom of the supporting layer. A waterproof layer is arranged at the bottom of the supporting layer, and a base is arranged at the bottom of the waterproof layer. The connecting columns are adhered to the interiors of the inserting grooves, so that the connecting area of the elastic layer and the EPDM particle layer is increased, the connecting stability is improved, the EPDM particle layer is prevented from being broken, the service life of the EPDM particle layer is prolonged, the supporting force of the runway is increased by arranging the supporting pieces, the service life of the runway is prolonged, the connecting blocks are embedded on the supporting layer and the base, and the service life of the runway is prolonged. The supporting layer is prevented from being separated from the base, and the stability of the runway structure is reduced.

This playground cushioning device (1) comprises a layered structure including: - A layer of elastomeric granules (5) resting on a surface (3); and - A layer of wood chips (7) resting by gravity on the layer of elastomeric granules (5). Figure for the abbreviation: Fig. 1

The invention relates to the technical field of plastic track materials, and discloses a high-performance yellowing-resistant plastic track material and a preparation method thereof, the high-performance yellowing-resistant plastic track material comprises the following raw materials by mass: 55-60 parts of polyolefin resin, 20-25 parts of an inorganic filler, 8-12 parts of a composite modifier, 5-8 parts of a flexibilizer, 1-1.5 parts of a light stabilizer, 0.5-1 part of an antioxidant, 1-2 parts of a compatilizer, and 1-2 parts of a dispersant. The plastic track material prepared by taking polyolefin resin as a base material and compounding the polyolefin resin with the inorganic filler, the composite modifier, the flexibilizer, the antioxidant, the light stabilizer, the compatilizer and the dispersing agent has relatively high ultraviolet aging resistance and mechanical properties, can meet the requirements of the plastic track material used under ultraviolet rays for a long time, and is not easy to age and yellow.

The application is a riveting nail fixed network soft surface layer plastic track, which comprises a plastic mixture layer formed by uniformly mixing plastic mixture, a shaped buffer layer is arranged in the plastic mixture layer, the shaped buffer layer and the plastic mixture in the middle and upper and lower layers are mutually glued into a sheet-shaped composite layer, and the shaped buffer layer is anchored on the ground layer together with the whole composite layer through an anchoring part. The application retains the physical and mechanical properties of the original material, improves the tensile and impact strength, and improves the durability of bending and resilience, avoids the fracture and fragmentation of the soft surface layer plastic material, rivets the grid net with plastic mixture on the ground layer by using the plastic riveting nail, avoids the curling and angle problems caused by degumming, greatly prolongs the service life of the soft plastic material, expands the application, and facilitates the development of new products in various application scenarios.

A natural rubber based infill for artificial turf, the infill comprising biodegradable granules 19, the biodegradable granules comprising natural rubber that has been physically, rather than chemically, modified by the addition of an amount of a filler material, the biodegradable granules having an average size of 0.2 to 5 mm.