Chinampa is filled with hollow thermoplastic rubber filler particles and preparation method thereof
Technical field
The present invention relates to the thermoplastic elastomer packing material, be specifically related to a kind of chinampa and fill with hollow thermoplastic rubber filler particles and preparation method thereof.
Background technology
Along with progress and the growth in the living standard of society, people's motion requirement is more and more, and various plastic cement race tracks, playground and chinampa are built in a large number.In these artificial motor systems, chinampa is because having excellent performance, low, the not living mosquito of maintenance cost, being subjected to the impact of environment, weather, region very little, can be in incomparable advantages in natural lawn such as the extreme climates such as high and cold, high temperature and plateau area uses, in recent years, its market every year is all with 20~25% speed increment, its application has also broken through traditional construction of stadium and gymnasium, is widely used in various leisure field, provides a great convenience for people's life.
In the construction of chinampa; in order to keep the grass silk uprightly and to give the elasticity of chinampa with similar natural lawn; need to add a large amount of weighting materials at grass silk root; what use in a large number both at home and abroad at present is junked tire filler particles or the sulfuration EPDM filler particles of black; such particle elasticity and good endurance; but have smell large, be difficult to the shortcoming such as recycling, can not satisfy current social to the requirement of the aspects such as MAT'L recycling and environmental protection.In recent years, a large amount of chinampa filler particles with the thermoplastic elastomer preparation has also appearred, such filler particles is except the advantage with junked tire filler particles and sulfuration EPDM filler particles, also have the advantages such as color category is many, thermoplasticity recoverable, at home and abroad be well received by the public, but such filler particles has price height, large, the lawn system filling high in cost of production shortcoming of tap density equally, and this has limited the large-scale application of such filler particles to a certain extent.
How under the prerequisite that satisfies the every Essential Performance Requirements of lawn system, reduce and fill cost step of going forward side by side and improve the over-all properties of lawn system, become the focus that industry is paid close attention to.
Summary of the invention
The defectives such as the object of the invention is to overcome that existing artificial lawn system involves great expense, life-time service flexibility missing and water flowing degradation, provide a kind of and can reduce the cost of artificial lawn system, keep elasticity and increase the thermoplastic rubber filler particles of water flowing performance for a long time, satisfy people to reducing the demand of cost, the permanent exercise performance of maintenance, simultaneously the present invention also provides the preparation method of this hollow thermoplastic rubber filler particles.
The objective of the invention is to be achieved through the following technical solutions:
A kind of chinampa is filled and is used the hollow thermoplastic rubber filler particles, and this particle is hollow tubular structures, it is characterized in that this particle made by the component of following weight part:
Wherein, auxiliary agent is the mixture of antiaging agent and coupling agent, and the two part by weight with 1~5:1~5 mixes.
Above-mentioned particle is preferably made by the component of following weight part:
Wherein, auxiliary agent is the mixture of antiaging agent and coupling agent, and the two part by weight with 1~3:1~3 mixes.
Above-mentioned particle is most preferably made by the component of following weight part:
Wherein, auxiliary agent is the mixture of antiaging agent and coupling agent, and the two part by weight with 1~2:1~2 mixes.Antiaging agent and coupling agent most preferably weight ratio are 1:1.
After high viscosity basic resin of the present invention was mixed by the component of following weight part, the melt blending extruding pelletization prepared on twin screw extruder:
Wherein, auxiliary agent comprises oxidation inhibitor, static inhibitor, dispersion agent and opening agent, and weight ratio is 1~15:0.5~5:0.5~10:0.5~10.
The component that above-mentioned high viscosity basic resin preferably adopts is:
Wherein, auxiliary agent comprises oxidation inhibitor, static inhibitor, dispersion agent and opening agent, and weight ratio is 1~2:1~2:1~2:1~2.Oxidation inhibitor, static inhibitor, dispersion agent and opening agent most preferably weight ratio are 1:1:1:1.
The melt blending extrusion temperature that adopts in the high viscosity basic resin preparation process is controlled at 160~230 ℃.
At least a in the preferred antioxidant 1010 of oxidation inhibitor that preparation high viscosity basic resin adopts, the irgasfos 168, static inhibitor is
Permanent antistatic agent E-1308, E-1018, at least a among the E-1020, dispersion agent is polyethylene wax, at least a in the Poly Propylene Wax, opening agent is amine hydroxybenzene, at least a in the erucicamide; Described SEBS is hub-and-spoke configuration, and molecular weight is 20~350,000.Polyethylene is commercially available Low Density Polyethylene.
The antiaging agent that the present invention's artificial lawn filling is adopted with the hollow thermoplastic rubber filler particles is one or more among antiaging agent UV-531 and the antiaging agent UV-327, and coupling agent is one or more in titanate coupling agent, aluminate coupling agent, boric acid ester coupler, the silane coupling agent; Inorganic filler is one or more in nano-calcium carbonate, the above superfine heavy calcium carbonate of 5000 orders, preferably adopts nano-calcium carbonate.
Above-mentioned chinampa is filled preparation method with the hollow thermoplastic rubber filler particles and is comprised each component is mixed, and after passing through twin screw extruder melt blending, extrusion moulding, pelletizing prepares under water.
The method specifically may further comprise the steps: after each component is mixed, by the twin screw extruder melt blending, then after passing through the die head extrusion moulding, under water pelletizing, obtain internal diameter 1~5mm, external diameter 3~8mm, length 3~15mm, the hollow tubular thermoplastic rubber filler particles of wall thickness 1~5mm; Wherein, the temperature of extrusion moulding is 160~230 ℃, and die head temperature is 140~200 ℃.
The elastomerics of molten state has formed hollow tubular structures through behind this die head, and through underwater cutpellet, obtains specific hollow tubular thermoplastic rubber filler particles.
High viscosity basic resin used in the present invention is the critical material that the hollow thermoplastic rubber filler particles melt extrudes moulding, it also is the major cause of giving the filler particles high-wearing feature, the high viscosity basic resin is to be formed by granulation after SEBS, naphthenic oil, polyethylene and a small amount of auxiliary agent blend, and this high viscosity basic resin has guaranteed the complete moulding of mechanical property and the hollow tubular structures of hollow thermoplastic rubber filler particles.
It is filling-modified thermoplastic elastomer that the elasticity of particle of the present invention derives from particulate material on the one hand, this high viscosity basic resin is that the material of main body preparation has excellent elasticity, and guaranteed the smooth moulding of hollow structure, in addition, the hollow structure of particle is also given the characteristic of its shock absorbing and recovery of elasticity, both combinations, so that its elasticity is far above general solid thermoplastic rubber filler particles, its leading indicator is presented as the shock absorbing performance; In addition, the hollow tubular structures of particle of the present invention has reduced the tap density of fill system, has increased its water flowing duct, thereby has increased substantially its water flowing performance.
Beneficial effect of the present invention compared with the prior art:
The hollow thermoplastic rubber filler particles of the present invention's preparation and existing sulfuration EPDM filler particles and solid thermoplastic elastomer filler particles compare, and the cost cost saves 25~40%, and the mechanical property conservation rate promotes 30~40%, and water permeability improves 15~50%.
Description of drawings
Fig. 1 is hollow thermoplastic rubber filler particles structural representation.
Wherein a represents the length of hollow thermoplastic rubber filler particles; B represents the external diameter of hollow thermoplastic rubber filler particles; C represents the internal diameter of hollow thermoplastic rubber filler particles.This hollow thermoplastic rubber filler particles internal diameter 1~5mm, external diameter 3~8mm, length 3~15mm, wall thickness 1~5mm.
Fig. 2 is the extrusion die structural map.
Wherein a represents the external diameter of die head nib, and b represents the internal diameter of die head nib, and e represents the thickness of joint pin, and g represents the width of joint pin.
Fig. 3 represents different filler particles shock absorbing-duration of service curve.
The changing conditions (lisport5000 turns) of hollow thermoplastic rubber filler particles of the present invention (hollow TPE) and cylinder thermoplastic rubber filler particles (cylinder TPE) fill system shock absorbing in 5 years processes
Top curve is for adopting the shock absorbing change curve of the hollow TPE fill system of the present invention among the figure, lower curve is for adopting the shock absorbing change curve of solid cylinder TPE fill system, fill system all adopts the structure formation of XPE10mm+40mm grass+quartz sand+filler particles, ordinate zou is the shock absorbing value that the shock absorbing tester detects, unit is %, X-coordinate is system's working life of simulation, and wherein Lisport1000 turns and is equivalent to that lawn system is normal to be used 1 year.
Embodiment
Below further specify the present invention by specific embodiment.But the detail of embodiment only is used for explaining the present invention, should not be construed as limited overall technical solution.Wherein, SEBS is produced by Yueyang general petrochemicals factory, hub-and-spoke configuration, molecular weight 20~350,000; Polyethylene is produced by raising sub-petro-chemical corporation, and naphthenic oil is No. 4006 naphthenic oils that Karamay, Xinjiang is produced.
Embodiment 1
The preparation of high viscosity basic resin:
With SEBS 50kg, naphthenic oil 400640kg, polyethylene 8kg, auxiliary agent 2kg (wherein antioxidant 1010 0.5kg, static inhibitor E-13080.5kg, opening agent amine hydroxybenzene 0.5kg, polyethylene of dispersing agent wax 0.5kg), mix, melt blending granulation on twin screw extruder, temperature are controlled at 180~230 ℃;
The preparation of hollow thermoplastic rubber filler particles:
High viscosity basic resin 60kg, nano-calcium carbonate 35kg, Masterbatch 3kg, auxiliary agent 3kg(antiaging agent UV-5311kg, titanate coupling agent 2kg), above-mentioned raw materials is mixed, and melt blending on twin screw extruder is by being equipped with the underwater granulating device extrusion moulding of die head, obtain internal diameter 2mm, external diameter 3.5mm, length 9mm, the hollow thermoplastic rubber filler particles of wall thickness 1.5mm, the temperature of extrusion moulding is 180~210 ℃, and die head temperature is 160 ℃.
Embodiment 2
The preparation of high viscosity basic resin:
With SEBS 60kg, naphthenic oil 400630kg, polyethylene 8kg, auxiliary agent 2kg (wherein irgasfos 168 0.5kg, static inhibitor E-10180.5kg, opening agent erucicamide 0.5kg, dispersion agent Poly Propylene Wax 0.5kg), mix, melt blending granulation on twin screw extruder, 160~200 ℃ of temperature controls.
The preparation of hollow thermoplastic rubber filler particles:
High viscosity basic resin 65kg, nano-calcium carbonate 30kg, Masterbatch 3kg, auxiliary agent 2kg(antiaging agent UV-3271kg, aluminate coupling agent and titanate coupling agent mix altogether 1kg according to weight ratio 1:1), above-mentioned raw materials is mixed, melt blending on twin screw extruder, by the underwater granulating device extrusion moulding of die head is installed, obtain internal diameter 2.5mm, external diameter 5mm, length 11mm, the hollow thermoplastic rubber filler particles of wall thickness 2.5mm, the temperature of extrusion moulding is 170~200 ℃, and die head temperature is 150 ℃.
Embodiment 3
The preparation of high viscosity basic resin:
With SEBS 55kg, naphthenic oil 400635kg, polyethylene 8kg, auxiliary agent 2kg (wherein oxidation inhibitor 0.5kg, static inhibitor E-10200.5kg, opening agent are that weight ratio is that the erucicamide of 1:1 and mixture 0.5kg, the dispersion agent of amine hydroxybenzene are that weight ratio is polyethylene wax and the Poly Propylene Wax mixture 0.5kg of 1:1), mix, melt blending granulation on twin screw extruder, 180~230 ℃ of temperature controls;
The preparation of hollow thermoplastic rubber filler particles:
High viscosity basic resin 70kg, nano-calcium carbonate 25kg, Masterbatch 3kg, auxiliary agent 2kg(antiaging agent UV-3271kg, boric acid ester coupler 1kg), above-mentioned raw materials is mixed, and melt blending on twin screw extruder is by being equipped with the underwater granulating device extrusion moulding of die head, obtain internal diameter 3mm, external diameter 6mm, length 12mm, the hollow thermoplastic rubber filler particles of wall thickness 3mm, the temperature of extrusion moulding is 190~230 ℃, and die head temperature is 180 ℃.
Embodiment 4
The preparation of high viscosity basic resin:
With SEBS 55kg, naphthenic oil 400630kg, polyethylene 13kg, auxiliary agent 2kg (wherein antioxidant 1010 0.5kg, static inhibitor E-10200.5kg, opening agent amine hydroxybenzene 0.5kg, polyethylene of dispersing agent wax 0.5kg), mix, melt blending granulation on twin screw extruder, 170~230 ℃ of temperature controls;
The preparation of hollow thermoplastic rubber filler particles:
High viscosity basic resin 75kg, 5000 order water-ground limestone 20kg, Masterbatch 3kg, auxiliary agent 2kg(antiaging agent UV-3271kg, silane coupling agent 1kg) above-mentioned raw materials is mixed, melt blending on twin screw extruder, by the underwater granulating device extrusion moulding of die head is installed, obtain internal diameter 3.5mm, external diameter 6mm, length 9mm, the hollow thermoplastic rubber filler particles of wall thickness 2.5mm, the temperature of extrusion moulding are 160~230 ℃, and die head temperature is 200 ℃.
Embodiment 5
The preparation of high viscosity basic resin:
With SEBS 55kg, naphthenic oil 400630kg, polyethylene 13kg, auxiliary agent 2kg (wherein irgasfos 168 0.5kg, static inhibitor E-10180.5kg, opening agent erucicamide 0.5kg, dispersion agent Poly Propylene Wax 0.5kg), mix, melt blending granulation on twin screw extruder, 160~210 ℃ of temperature controls;
The preparation of hollow thermoplastic rubber filler particles:
High viscosity basic resin 80kg, 8000 order water-ground limestone 20kg, Masterbatch 3kg, auxiliary agent 2kg(antiaging agent UV-5311kg, aluminate coupling agent 1kg), above-mentioned raw materials is mixed, and melt blending on twin screw extruder is by being equipped with the underwater granulating device extrusion moulding of die head, obtain internal diameter 1.5mm, external diameter 3.5mm, length 11mm, the hollow thermoplastic rubber filler particles of wall thickness 2mm, the temperature of extrusion moulding is 190~230 ℃, and die head temperature is 190 ℃.
Adopt above-mentioned five kinds of schemes of the present invention respectively 1~No. 5 product, five kinds of products and carry out performance comparison according to the prepared cylinder shape hatching solid particle of patent 200910029870.0 methods.Wherein, lawn system adopts 10mm crosslinked polyethylene elastic floor mat XPE70+50mm chinampa monofilament DEX11000+ quartz sand and 18Kg+ lawn filler particles to form, and shock absorbing adopts the shock absorbing detector, comparing result such as table 1:
Table 1 lawn system performance comparison table
? |
Cylinder shape | Hollow | 1 |
Hollow 2 |
Hollow 3 |
Hollow 4 |
Hollow 5 |
Fill quantity kg |
10 |
7.8 |
7.5 |
7 |
6.5 |
6 |
Wear-resisting front shock absorbing |
62% |
63% |
63% |
64% |
64% |
65% |
5000 turn rear shock absorbing |
57% |
62% |
62% |
63% |
63% |
64% |
20000 turn rear shock absorbing |
45% |
57% |
58% |
61% |
62% |
63% |
Permeability rate mm/h |
5000 |
6000 |
6000 |
6000 |
6000 |
6000 |