CN109679322A - A kind of ETPU sports earth material and preparation method thereof - Google Patents
A kind of ETPU sports earth material and preparation method thereof Download PDFInfo
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- CN109679322A CN109679322A CN201811458078.2A CN201811458078A CN109679322A CN 109679322 A CN109679322 A CN 109679322A CN 201811458078 A CN201811458078 A CN 201811458078A CN 109679322 A CN109679322 A CN 109679322A
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- etpu
- sports
- superficial layer
- earth material
- glass fiber
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of ETPU sports earth materials and preparation method thereof, are related to technical field of rubber material.Be characterized in that: a kind of ETPU sports earth material, including superficial layer and bottom, the superficial layer include the component of following parts by weight: ETPU:40~70 part；EPDM:5~15 part；Glass fiber: 0.45~0.85 part；Antiaging agent: 0.1~1 part；Plasticizer: 0.1~1 part；Filler: 10~40 parts；Toner: 0~2 part；The bottom includes the component of following parts by weight: EPDM:50~70 part；SBR:5~15 part；Plasticizer: 0.1~1 part；Filler: 10~40 parts；Wherein, the superficial layer with a thickness of 1.5~10. bottoms with a thickness of 2~15mm, and the thickness of the superficial layer is less than the thickness of bottom, by using ETPU as elastomer body, increase suitable glass fiber, so that the tearing toughness of product further increases, and assigns the good wear-resisting property of product, the service life of product is substantially prolonged.
Description
Technical field
The present invention relates to technical field of rubber material, more specifically, it relates to a kind of ETPU sports earth material and its
Preparation method.
Background technique
There is safe earth material perfect suction to hit performance, can be used as safe ground, plastic cement race track etc., is primarily adapted for use in
Virgin amusement park, kindergarten, sports apparatus area, middle and primary schools, park channel and ephebeion etc..User is can effectively protect to fall from eminence
Fall and caused by injury, require the physical height of product in application process, environmental protection, easy cleaning and drainage is good；It is suitble to be layed in
Family it is inside and outside travel body building floor to protect the safety of children.
Existing safe earth material mostly uses greatly the mixed of natural rubber or artificial rubber or natural rubber and artificial rubber
Zoarium, although elasticity and damping performance can reach certain requirement, the tear resistance of rubber is poor, and weight is from eminence
It falls to the ground, earth material deformation is to generate buffering and damping effect, and the height that weight is fallen is higher, ground deformation range
Bigger, earth material is more easy to tear, and service life is caused to substantially reduce.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the present invention one is to provide a kind of ETPU sports earth material, lead to
It crosses using ETPU as main body, is adding suitable glass fiber, product obtained is with high resiliency and high tear resistance
Advantage.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of ETPU sports earth material, including superficial layer and bottom, the superficial layer include the component of following parts by weight:
ETPU:40~70 part；
EPDM:5~15 part；
Glass fiber: 0.45~0.85 part；
Antiaging agent: 0.1~1 part；
Plasticizer: 0.1~1 part；
Filler: 10~40 parts；
Toner: 0~2 part；
The bottom includes the component of following parts by weight:
EPDM:50~70 part；
SBR:5~15 part；
Plasticizer: 0.1~1 part；
Filler: 10~40 parts；
Wherein, the superficial layer with a thickness of 1.5~10. bottoms with a thickness of 2~15mm, and the thickness of the superficial layer is less than
The thickness of bottom.
By using above-mentioned technical proposal, ETPU (Engineering Thermoplastic Polyurethane
Elastomer), engineered polyurethane elastomeric material, it is a kind of unique elastomeric material, by unformed and rigidity point
Subchain composition, is free from any soft segment in its molecular structure, and therefore, ETPU material has unformed resin
Intensity and dimensional stability are also equipped with the chemical resistance, fatigue durability and wear-resisting property of crystalline resins.
EPDM (Ethylene Propylene Diene Monomer), ethylene propylene diene rubber are one kind of EP rubbers,
Because its main chain is made of chemically stable saturated hydrocarbons, only contain unsaturated double-bond in the side chain, therefore its is weather-proof, ageing-resistant and resistance to
Mill is had excellent performance, and its is low in cost, is added suitable EPDM in the elastic safety material that main body is ETPU, is both guaranteed material
The whole tear-proof characteristic of material, and greatly reduce production cost.
Glass fiber breaking strength with higher and elasticity modulus and lower elongation at break, are greatly improved
The tensile strength and hardness of rubber product, obtained product stability is good, and glass fiber is added to ETPU sports earth material
In, so that product considerably increases intensity, tear-proof characteristic and wearability on the basis of guaranteeing elastomeric.
Further preferably, the glass fiber is alkali-free glass fiber precursor, and monofilament boundling root in alkali-free glass fiber precursor
Number is 200~600.
Further preferably, filament diameter is 3.8~11 μm in the alkali-free glass fiber precursor.
Further preferably, the antiaging agent includes light stabilizer HS-944 and ultraviolet absorbing agent UV-9.
Further preferably, the plasticizer is butyl benzyl phthalate, diisononyl phthalate and neighbour
One of phthalic acid di-n-octyl is a variety of.
By using above-mentioned technical proposal, plasticizer is the high molecular material auxiliary agent being industrially widely used, in ETPU
This substance is added in sports earth material, its flexibility can be made to enhance, be easily worked, and suitable plasticizer can make rubber point
Active force between son reduces, to reduce the glass transition temperature of rubber, enables rubber plasticity, elasticity enhancing, while can also improve
Certain physical mechanical properties of rubber.
Further preferably, the filler is one of calcium carbonate, talcum powder and rubber powder or a variety of.
By using above-mentioned technical proposal, filler can generate good combination with rubber, can improve rubber mechanical property,
Ageing-resistant performance and bond properties, so that the wearability and tearing-resistant performance of rubber are more preferable.
The purpose of the present invention two is to provide a kind of preparation method of ETPU sports earth material, using this method preparation
ETPU sports earth material has the advantages that high resiliency and high tear resistance.
To achieve the above object two, the present invention provides the following technical scheme that
A kind of preparation method of ETPU sports earth material, comprising the following steps:
(1) prepared by superficial layer mixture:
It is thrown after ETPU, EPDM, glass fiber, antiaging agent, plasticizer, filler and toner in superficial layer in raw material is mixed
Enter in chilling press, superficial layer mixture is obtained after 10~35min；
It is cooling, then superficial layer blend glue stuff is put into physics cutting machine, the superficial layer mixture of sheet is made；
(2) prepared by bottom mixture:
It is put into chilling press after EPDM, SBR, plasticizer and filler in the raw material of bottom side is mixed, after 10~35min
To bottom mixture；
It is cooling, bottom mixture is put into physics cutting machine, the bottom mixture of sheet is obtained；
(3) compound:
It is using equipment complex that superficial layer mixture and the progress of bottom mixture is compound, and extrude superficial layer lines and bottom side line
Road obtains ETPU sports earth material.
Further, it is also handled by immersion fluid before the glass fiber mixing, the immersion fluid is RFL infiltration
Liquid.
It by using above scheme, is handled by RFL immersion fluid, on the one hand enables glass fiber to obtain good
Efficient Adhesive Promotion improves its adhesion strength between ETPU and EPDM, on the other hand, after immersion fluid is handled, glass fiber
Surface can form rubber-covered layer so that glass fiber is separated from each other, avoid the mutual abrasion between glass fiber.
In conclusion compared with prior art, the invention has the following advantages:
Material of main part by using ETPU as ETPU sports earth material, so that the whole resilience of earth material is preferable,
And ETPU material has the intensity and dimensional stability of unformed resin, is also equipped with chemical resistance, the endurance of crystalline resins
Property and wear-resisting property；By adding a certain amount of glass fiber in ETPU sports earth material, main body material is further increased
The breaking strength and tensile strength of material, so that the overall wear resistance of earth material improves, service life is greatly prolonged.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1: a kind of ETPU sports earth material, each component and its corresponding parts by weight are as shown in table 1, and pass through
Following steps prepare:
(1) prepared by superficial layer mixture:
It is thrown after ETPU, EPDM, glass fiber, antiaging agent, plasticizer, filler and toner in superficial layer in raw material is mixed
Enter in chilling press, superficial layer mixture is obtained after 10min；
It is cooling, then superficial layer blend glue stuff is put into physics cutting machine, the superficial layer mixture of sheet is made；
(2) prepared by bottom mixture:
It puts into chilling press after EPDM, SBR, plasticizer and filler in the raw material of bottom side is mixed, is obtained on earth after 10min
Layer mixture；
It is cooling, bottom mixture is put into physics cutting machine, the bottom mixture of sheet is obtained；
(3) compound:
It is using equipment complex that superficial layer mixture and the progress of bottom mixture is compound, and extrude superficial layer lines and bottom side line
Road obtains ETPU sports earth material；
Wherein, glass fiber uses monofilament boundling radical for 200, the alkali-free glass fiber precursor that filament diameter is 3.8 μm, anti-aging
Agent uses light stabilizer HS-944 and ultraviolet absorbing agent UV-9, and plasticizer uses butyl benzyl phthalate, and filler is adopted
Use calcium carbonate.
Embodiment 2-6: a kind of ETPU sports earth material, difference from example 1 is that, each component and its corresponding
Parts by weight it is as shown in table 1.
Each component and its parts by weight in 1 embodiment 1-6 of table
Embodiment 7: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, in (1), glass
Fiber filament first infiltrates processing 4h with immersion fluid before mixing, then dries under conditions of 180 DEG C.
Embodiment 8: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Glass fiber precursor uses radical for 400, the alkali-free glass fiber precursor that filament diameter is 7 μm.
Embodiment 9: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Glass fiber precursor uses radical for 600, the alkali-free glass fiber precursor that filament diameter is 11 μm.
Embodiment 10: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Plasticizer uses butyl benzyl phthalate and diisononyl phthalate, and weight fraction ratio between the two is 3:
1。
Embodiment 11: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Plasticizer uses butyl benzyl phthalate and diisononyl phthalate, and weight fraction ratio between the two is 1:
3。
Embodiment 12: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Plasticizer uses butyl benzyl phthalate, diisononyl phthalate and di-n-octyl phthalate, and the two
Between weight fraction ratio be 1:2:3.
Embodiment 13: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Plasticizer uses butyl benzyl phthalate, diisononyl phthalate and di-n-octyl phthalate, and the two
Between weight fraction ratio be 3:1:2.
Embodiment 14: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Filler uses calcium carbonate and talcum powder, and weight fraction ratio between the two is 2:1.
Embodiment 15: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Filler uses calcium carbonate and talcum powder, and weight fraction ratio between the two is 1:2.
Embodiment 16: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Filler uses calcium carbonate, talcum powder and rubber powder, and weight fraction ratio between the two is 1:2:3.
Embodiment 17: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, wherein
Filler uses calcium carbonate, talcum powder and rubber powder, and weight fraction ratio between the two is 3:1:2.
Comparative example 1: a kind of preparation method of ETPU sports earth material, difference from example 1 is that, in (1),
The preparation of superficial layer mixture:
Cold moudling is put into after ETPU, EPDM, antiaging agent, plasticizer, filler and toner in superficial layer in raw material is mixed
In machine, superficial layer mixture is obtained after 10min；
It is cooling, then superficial layer blend glue stuff is put into physics cutting machine, the superficial layer mixture of sheet is made.
Performance test
Test specimen: using the sample obtained in embodiment 1-17 as test specimen 1-17, using the sample obtained in comparative example 1
Product are as control sample 1.
Test method: the performance of sample in testing experiment sample 1-17 and control sample 1 is distinguished according to table 2.
Test result: the test result of test specimen 1-17 and control sample 1 is as shown in table 3.As shown in Table 3, illustrate this
Invention as main body, adds glass fiber by using ETPU, so that manufactured product has high resiliency and high tear
Advantage.
Table 2 tests foundation and test scope
| Test item | Test foundation | Standard value |
| Tensile strength/MPa | GB/T14833-2011 | ≥0.5 |
| Elongation rate of tensile failure/% | GB/T14833-2011 | ≥40 |
| Impact absorbing/% | GB/T14833-2011 | 35~50 |
| Vertical deformation/mm | GB/T14833-2011 | 0.6~2.5 |
The test result of table 3 test specimen 1-17 and control sample 1
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of ETPU sports earth material, which is characterized in that including superficial layer and bottom, the superficial layer includes following weight
The component of number:
ETPU:40~70 part；
EPDM:5~15 part；
Glass fiber: 0.45~0.85 part；
Antiaging agent: 0.1~1 part；
Plasticizer: 0.1~1 part；
Filler: 10~40 parts；
Toner: 0~2 part；
The bottom includes the component of following parts by weight:
EPDM:50~70 part；
SBR:5~15 part；
Plasticizer: 0.1~1 part；
Filler: 10~40 parts；
Wherein, the superficial layer with a thickness of 1.5~10. bottoms with a thickness of 2~15mm, and the thickness of the superficial layer is less than
The thickness of bottom.
2. ETPU sports earth material according to claim 1, which is characterized in that the glass fiber is alkali-free glass fiber
Precursor, and monofilament boundling radical is 200~600 in alkali-free glass fiber precursor.
3. ETPU sports earth material according to claim 2, which is characterized in that monofilament is straight in the alkali-free glass fiber precursor
Diameter is 3.8~11 μm.
4. ETPU sports earth material according to claim 1, which is characterized in that the antiaging agent includes light stabilizer
HS-944 and ultraviolet absorbing agent UV-9.
5. ETPU sports earth material according to claim 1, which is characterized in that the plasticizer is phthalic acid fourth
One of base benzyl ester, diisononyl phthalate and di-n-octyl phthalate are a variety of.
6. ETPU sports earth material according to claim 1, which is characterized in that the filler is calcium carbonate, talcum powder
With one of rubber powder or a variety of.
7. a kind of preparation method of ETPU sports earth material, which comprises the following steps:
(1) prepared by superficial layer mixture:
It is thrown after ETPU, EPDM, glass fiber, antiaging agent, plasticizer, filler and toner in superficial layer in raw material is mixed
Enter in chilling press, superficial layer mixture is obtained after 10~35min；
It is cooling, then superficial layer blend glue stuff is put into physics cutting machine, the superficial layer mixture of sheet is made；
(2) prepared by bottom mixture:
It is put into chilling press after EPDM, SBR, plasticizer and filler in the raw material of bottom side is mixed, after 10~35min
To bottom mixture；
It is cooling, bottom mixture is put into physics cutting machine, the bottom mixture of sheet is obtained；
(3) compound:
It is using equipment complex that superficial layer mixture and the progress of bottom mixture is compound, and extrude superficial layer lines and bottom side line
Road obtains ETPU sports earth material.
8. the preparation method of ETPU sports earth material according to claim 7, which is characterized in that the glass fiber
It is also handled by immersion fluid before mixing, the immersion fluid is RFL immersion fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458078.2A CN109679322B (en) | 2018-11-30 | 2018-11-30 | ETPU (Ethyl tetra poly urethane) health-care floor material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458078.2A CN109679322B (en) | 2018-11-30 | 2018-11-30 | ETPU (Ethyl tetra poly urethane) health-care floor material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109679322A true CN109679322A (en) | 2019-04-26 |
| CN109679322B CN109679322B (en) | 2021-11-05 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1236843A (en) * | 1999-05-20 | 1999-12-01 | 师永昌 | Plastic race track |
| CN1464004A (en) * | 2002-06-14 | 2003-12-31 | 刘瑜 | Compounded rubber racetrack and its processing method |
| KR20120085568A (en) * | 2011-01-24 | 2012-08-01 | 김준희 | Shoes having device for aid of walking |
| US20120258811A1 (en) * | 2009-02-09 | 2012-10-11 | Sapturf, Llc | Synthetic turf having cooling layer |
| CN204849525U (en) * | 2015-01-22 | 2015-12-09 | 上海天路弹性材料有限公司 | Novel mix plastic course |
| CN106398186A (en) * | 2016-09-22 | 2017-02-15 | 许昌学院 | Environment-friendly plastic slurry for sports ground and preparation method of environment-friendly plastic slurry |
| CN106750111A (en) * | 2016-12-27 | 2017-05-31 | 安徽潜源教学设备有限公司 | A kind of polyurethane plastic runway of glass fiber reinforcement and preparation method thereof |
| CN106946514A (en) * | 2017-04-26 | 2017-07-14 | 默利卡高分子材料（上海）有限公司 | A kind of Antistatic type polyurethane cement terrace and preparation method thereof |
| CN208152482U (en) * | 2018-03-09 | 2018-11-27 | 广东达尔新型材料有限公司 | Solvent-free elastic polyurethane Self-leveling coating |
| CN108914745A (en) * | 2018-08-13 | 2018-11-30 | 广东新灏元科技有限公司 | A kind of HI high impact absorbs track material and its forming method |
-
2018
- 2018-11-30 CN CN201811458078.2A patent/CN109679322B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1236843A (en) * | 1999-05-20 | 1999-12-01 | 师永昌 | Plastic race track |
| CN1464004A (en) * | 2002-06-14 | 2003-12-31 | 刘瑜 | Compounded rubber racetrack and its processing method |
| US20120258811A1 (en) * | 2009-02-09 | 2012-10-11 | Sapturf, Llc | Synthetic turf having cooling layer |
| KR20120085568A (en) * | 2011-01-24 | 2012-08-01 | 김준희 | Shoes having device for aid of walking |
| CN204849525U (en) * | 2015-01-22 | 2015-12-09 | 上海天路弹性材料有限公司 | Novel mix plastic course |
| CN106398186A (en) * | 2016-09-22 | 2017-02-15 | 许昌学院 | Environment-friendly plastic slurry for sports ground and preparation method of environment-friendly plastic slurry |
| CN106750111A (en) * | 2016-12-27 | 2017-05-31 | 安徽潜源教学设备有限公司 | A kind of polyurethane plastic runway of glass fiber reinforcement and preparation method thereof |
| CN106946514A (en) * | 2017-04-26 | 2017-07-14 | 默利卡高分子材料（上海）有限公司 | A kind of Antistatic type polyurethane cement terrace and preparation method thereof |
| CN208152482U (en) * | 2018-03-09 | 2018-11-27 | 广东达尔新型材料有限公司 | Solvent-free elastic polyurethane Self-leveling coating |
| CN108914745A (en) * | 2018-08-13 | 2018-11-30 | 广东新灏元科技有限公司 | A kind of HI high impact absorbs track material and its forming method |
Non-Patent Citations (5)
| Title |
|---|
| 上海市科学技术学会: "《塑料制品模具设计》", 28 February 1979, 上海市业余工业大学 * |
| 刘万辉: "《复合材料》", 31 March 2017, 哈尔滨工业大学出版社 * |
| 张启跃: "《橡胶工业配件生产技术》", 28 February 2005, 化学工业出版社 * |
| 张春红等: "《高分子材料》", 29 February 2016, 北京航空航天大学 * |
| 李绍雄: "《聚氨酯树脂及其应用》", 31 May 2002, 化学工业出版社 * |
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