CN110804314A - Preparation method of environment-friendly plastic track particles - Google Patents
Preparation method of environment-friendly plastic track particles Download PDFInfo
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- CN110804314A CN110804314A CN201911109364.2A CN201911109364A CN110804314A CN 110804314 A CN110804314 A CN 110804314A CN 201911109364 A CN201911109364 A CN 201911109364A CN 110804314 A CN110804314 A CN 110804314A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a preparation method of environment-friendly plastic track particles, which comprises the following steps: step S1: weighing raw materials; step S2: putting the weighed raw materials into a stirrer in sequence and stirring for 3-5 minutes; step S3: putting the stirred raw materials into an extruder, controlling the temperature of the extruder at 180 ℃, melting and stirring, installing a template according to requirements, extruding and molding, and cooling in cold water; step S4: crushing by a crusher to obtain irregular particles; step S5: inspecting, bagging, and marking the date of manufacture. The technical process for preparing the runway particles is simple, the operation is convenient, the prepared particles have high elasticity, good tensile resistance, good wear resistance, weather resistance and aging resistance, and the particles prepared by the invention are not vulcanized, so the runway particles are nontoxic, tasteless and environment-friendly, can well meet the actual use requirements in the use process, and bring great convenience to users.
Description
Technical Field
The invention belongs to the technical field of plastic runways, and particularly relates to a preparation method of environment-friendly plastic runway particles.
Background
The plastic particles have elasticity, can properly absorb the impact force on the feet, and have pressure resistance, wear resistance, impact resistance, safety and other advantages, so that the plastic particles are widely used for paving sports grounds. The plastic particles can be mixed with glue and paved into a runway, and can also be used for filling lawns to increase elasticity, and the plastic particles and the lawns can both relieve the impact force of athletes from the ground. At present, for plastic track particles, Ethylene Propylene Diene Monomer (EPDM) is mostly used for matching with a large amount of plasticizer and filler for particles with better quality, the cost is low, the elasticity of the particles can be ensured, but the problems of possible permanent deformation due to tearing and compression and poor dyeing exist, and the problems of caking, slag falling and the like also occur during storage. In recent years, there are many schools calling for "abnormal-smell runways and abnormal-smell playgrounds", so that the safety and environmental protection of the plastic runways are paid attention. Therefore, the environment-friendly and durable plastic track particles are widely demanded in the market.
Disclosure of Invention
The present invention aims to provide a method for preparing an environment-friendly plastic track particle, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the preparation method of the environment-friendly plastic track particles is technically characterized by comprising the following steps of: the method comprises the following steps:
step S1: weighing raw materials;
step S2: putting the weighed raw materials into a stirrer in sequence and stirring for 3-5 minutes;
step S3: putting the stirred raw materials into an extruder, controlling the temperature of the extruder at 180 ℃, melting and stirring, installing a template according to requirements, extruding and molding, and cooling in cold water;
step S4: crushing by a crusher to obtain irregular particles;
step S5: inspecting, bagging, and marking the date of manufacture.
Preferably, the raw materials comprise the following components in parts by weight: 5-20 parts of TPU, 5-15 parts of EPDM, 5-10 parts of SEBE, 5-10 parts of PP, 20-25 parts of naphthenic oil, 40-50 parts of filler, 1-3 parts of antioxidant, 1-3 parts of ultraviolet-resistant absorbent, 1-3 parts of anti-aging agent and 1-5 parts of pigment.
Preferably, the total amount of TPU, EPDM, SEBE and PP is from 25 to 30 parts.
EPDM is a terpolymer of ethylene, propylene and non-conjugated diene, has resistance to polar solutions and chemicals, low water absorption, and good aging resistance and corrosion resistance;
SEBS is a linear triblock copolymer with polystyrene as a terminal segment and an ethylene-butylene copolymer obtained by hydrogenation of polybutadiene as a middle elastic block. The SEBS does not contain unsaturated double bonds, so the SEBS has good stability and aging resistance, has plasticity and high elasticity, and can be processed and used without vulcanization;
PP is a plastic called polypropylene, has high impact resistance and strong mechanical property, and resists corrosion of various organic solvents and acid and alkali;
the TPU is a high polymer material formed by the joint reaction and polymerization of diphenylmethane diisocyanate (MDI), Toluene Diisocyanate (TDI), macromolecular polyol and a chain extender, and the naphthenic oil has partial properties of aromatic hydrocarbons and linear hydrocarbons, so that the naphthenic oil can have good compatibility with EPDM, TPU, SEBS and PP, the TPU, SEBS and PP rubber materials are uniformly dispersed in the EPDM, and the wear resistance and the weather resistance of the EPDM are improved.
Compared with the prior art, the process flow for preparing the runway particles is simple, the operation is convenient, the prepared particles have high elasticity, good tensile resistance, good wear resistance, weather resistance and aging resistance, and the particles prepared by the method are not vulcanized, so that the runway particles are nontoxic, tasteless and environment-friendly, can well meet the actual use requirements in the use process, and bring great convenience to users.
Detailed Description
The invention is further illustrated by the following examples, without limiting the scope of the invention.
Example one
A preparation method of environment-friendly plastic track particles comprises the following steps:
step S1: weighing 10 parts of TPU, 8 parts of EPDM, 6 parts of SEBE, 5 parts of PP, 22 parts of naphthenic oil, 45 parts of filler, 2 parts of antioxidant, 2 parts of ultraviolet-resistant absorbent, 2 parts of anti-aging agent and 3 parts of pigment according to a formula;
step S2: putting the weighed raw materials into a stirrer in sequence and stirring for 3-5 minutes;
step S3: putting the stirred raw materials into an extruder, controlling the temperature of the extruder at 180 ℃, melting and stirring, installing a template according to requirements, extruding and molding, and cooling in cold water;
step S4: crushing by a crusher to obtain irregular particles;
step S5: inspecting, bagging, and marking the date of manufacture.
In the present embodiment, the total amount of the TPU, the EPDM, the SEBE, and the PP is 25 to 30 parts.
Example two
A preparation method of environment-friendly plastic track particles comprises the following steps:
step S1: weighing 8 parts of TPU, 8 parts of EPDM, 6 parts of SEBE, 6 parts of PP, 22 parts of naphthenic oil, 45 parts of filler, 2 parts of antioxidant, 2 parts of ultraviolet-resistant absorbent, 2 parts of anti-aging agent and 3 parts of pigment in sequence according to a formula;
step S2: putting the weighed raw materials into a stirrer in sequence and stirring for 3-5 minutes;
step S3: putting the stirred raw materials into an extruder, controlling the temperature of the extruder at 180 ℃, melting and stirring, installing a template according to requirements, extruding and molding, and cooling in cold water;
step S4: crushing by a crusher to obtain irregular particles;
step S5: inspecting, bagging, and marking the date of manufacture.
In the present embodiment, the total amount of the TPU, the EPDM, the SEBE, and the PP is 25 to 30 parts.
EXAMPLE III
A preparation method of environment-friendly plastic track particles comprises the following steps:
step S1: weighing 12 parts of TPU, 6 parts of EPDM, 5 parts of SEBE, 6 parts of PP, 22 parts of naphthenic oil, 45 parts of filler, 2 parts of antioxidant, 2 parts of ultraviolet-resistant absorbent, 2 parts of anti-aging agent and 3 parts of pigment in sequence according to a formula;
step S2: putting the weighed raw materials into a stirrer in sequence and stirring for 3-5 minutes;
step S3: putting the stirred raw materials into an extruder, controlling the temperature of the extruder at 180 ℃, melting and stirring, installing a template according to requirements, extruding and molding, and cooling in cold water;
step S4: crushing by a crusher to obtain irregular particles;
step S5: inspecting, bagging, and marking the date of manufacture.
In the present embodiment, the total amount of the TPU, the EPDM, the SEBE, and the PP is 25 to 30 parts.
EPDM is a terpolymer of ethylene, propylene and non-conjugated diene, has resistance to polar solutions and chemicals, low water absorption, and good aging resistance and corrosion resistance;
SEBS is a linear triblock copolymer with polystyrene as a terminal segment and an ethylene-butylene copolymer obtained by hydrogenation of polybutadiene as a middle elastic block. The SEBS does not contain unsaturated double bonds, so the SEBS has good stability and aging resistance, has plasticity and high elasticity, and can be processed and used without vulcanization;
PP is a plastic called polypropylene, has high impact resistance and strong mechanical property, and resists corrosion of various organic solvents and acid and alkali;
the TPU is a high polymer material formed by the joint reaction and polymerization of diphenylmethane diisocyanate (MDI), Toluene Diisocyanate (TDI), macromolecular polyol and a chain extender, and the naphthenic oil has partial properties of aromatic hydrocarbons and linear hydrocarbons, so that the naphthenic oil can have good compatibility with EPDM, TPU, SEBS and PP, the TPU, SEBS and PP rubber materials are uniformly dispersed in the EPDM, and the wear resistance and the weather resistance of the EPDM are improved.
The technical process for preparing the runway particles is simple, the operation is convenient, the prepared particles have high elasticity, good tensile resistance, good wear resistance, weather resistance and aging resistance, and the particles prepared by the invention are not vulcanized, so the runway particles are nontoxic, tasteless and environment-friendly, can well meet the actual use requirements in the use process, and bring great convenience to users.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference thereto is therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The preparation method of the environment-friendly plastic track particles is characterized by comprising the following steps of:
step S1: weighing raw materials;
step S2: putting the weighed raw materials into a stirrer in sequence and stirring for 3-5 minutes;
step S3: putting the stirred raw materials into an extruder, controlling the temperature of the extruder at 180 ℃, melting and stirring, installing a template according to requirements, extruding and molding, and cooling in cold water;
step S4: crushing by a crusher to obtain irregular particles;
step S5: inspecting, bagging, and marking the date of manufacture.
2. The method for preparing the environment-friendly plastic track particle as claimed in claim 1, wherein the method comprises the following steps: the raw materials comprise the following components in parts by weight: 5-20 parts of TPU, 5-15 parts of EPDM, 5-10 parts of SEBE, 5-10 parts of PP, 20-25 parts of naphthenic oil, 40-50 parts of filler, 1-3 parts of antioxidant, 1-3 parts of ultraviolet-resistant absorbent, 1-3 parts of anti-aging agent and 1-5 parts of pigment.
3. The method for preparing the environment-friendly plastic track particle as claimed in claim 2, wherein the method comprises the following steps: the total amount of the TPU, the EPDM, the SEBE and the PP is 25 to 30 parts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911109364.2A CN110804314A (en) | 2019-11-13 | 2019-11-13 | Preparation method of environment-friendly plastic track particles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205657A (en) * | 2020-03-18 | 2020-05-29 | 玖德隆机械（昆山）有限公司 | Prefabricated plastic track coiled material and preparation method thereof |
| CN111825923A (en) * | 2020-08-04 | 2020-10-27 | 湖北晟弘新材料有限公司 | EPDM rubber particle and preparation method thereof |
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| CN109551656A (en) * | 2018-10-15 | 2019-04-02 | 道高分子聚合物（宁波）有限公司 | A kind of preparation method of the elastomeric material for plastic cement race track |
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2019
- 2019-11-13 CN CN201911109364.2A patent/CN110804314A/en active Pending
Patent Citations (6)
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| KR20130066144A (en) * | 2011-12-12 | 2013-06-20 | 손춘영 | The manufacture method of rubber material conatined rubber chip and that of using a rubber mat |
| CN106009714A (en) * | 2016-05-19 | 2016-10-12 | 广州喜马塑料科技有限公司 | Thermoplastic elastomer composition, resin, preparation method thereof and application thereof in manufacturing runways and courts |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111205657A (en) * | 2020-03-18 | 2020-05-29 | 玖德隆机械（昆山）有限公司 | Prefabricated plastic track coiled material and preparation method thereof |
| CN111825923A (en) * | 2020-08-04 | 2020-10-27 | 湖北晟弘新材料有限公司 | EPDM rubber particle and preparation method thereof |
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Application publication date: 20200218 |