CN107312250A - A kind of excavator mechanical rubber crawler belt and preparation method thereof - Google Patents
A kind of excavator mechanical rubber crawler belt and preparation method thereof Download PDFInfo
- Publication number
- CN107312250A CN107312250A CN201710536134.9A CN201710536134A CN107312250A CN 107312250 A CN107312250 A CN 107312250A CN 201710536134 A CN201710536134 A CN 201710536134A CN 107312250 A CN107312250 A CN 107312250A
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- China
- Prior art keywords
- parts
- crawler belt
- rubber crawler
- ethylene propylene
- propylene diene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Chemical & Material Sciences (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 belongs to mechanical engineering material technical field there is provided a kind of excavator mechanical rubber crawler belt and preparation method thereof, described excavator includes the raw material of following parts by weight with mechanical rubber crawler belt:50 85 parts of ethylene propylene diene rubber, 11 19 parts of magnesia, 19 parts of stearic acid, 45 parts of age resistor, 13 parts of fire retardant, 5 11 parts of microwax, 27 parts of white carbon, 1.3 3.2 parts of plasticizer, 4 12 parts of reinforcing agent.It is an object of the invention to provide a kind of excavator mechanical rubber crawler belt and preparation method, the rubber belt track can keep excellent performance and outward appearance under more severe use environment, while property indices and service life are improved, the need for meeting actual conditions.
Description
Technical field
The invention belongs to mechanical engineering material technical field, specifically, a kind of excavator mechanical rubber crawler belt and its system
Preparation Method.
Background technology
Rubber belt track is made up of rubber bodies, driving member, all-steel cord and canvas (or nylon) etc., and it has adhesive force
Greatly, operation noise is low, it is small, small to soil damage layer to shake and is grounded the features such as pressure is small, wide on rice combine
General application, the normal service life of rubber belt track is 1000h (hour) left and right, but exists current rubber belt track more and be difficult to
The problem of excellent performance and outward appearance is kept under more severe use environment, for this reason, it may be necessary to which one kind can solve the problem that above mentioned problem
Rubber belt track, the need for meeting actual conditions with this.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of excavator mechanical rubber crawler belt and preparation
Method, the rubber belt track can keep excellent performance and outward appearance under more severe use environment, while improving items
Energy index and service life, the need for meeting actual conditions.
A kind of excavator mechanical rubber crawler belt provided according to an aspect of the present invention, described excavator mechanical rubber
Crawler belt includes the raw material of following parts by weight:It is 50-85 parts of ethylene propylene diene rubber, 11-19 parts of magnesia, 1-9 parts of stearic acid, anti-old
4-5 parts of agent, 1-3 parts of fire retardant, 5-11 parts of microwax, 2-7 parts of white carbon, 1.3-3.2 parts of plasticizer, 4-12 parts of reinforcing agent.
Preferably, the reinforcing agent is the mixture of calcium carbonate, kaolin, diatomite and silica flour.
Preferably, the plasticizer is made up of ester plasticizer and ether compound, and the ether compound is to contain C1-C20
The aliphatic compound of alkyl, the ester plasticizer is the aliphatic compound containing C1-C20 alkyl.
Preferably, the ethylene propylene diene rubber is made up of the raw material of following parts by weight:92-108 parts of ethylene propylene diene rubber,
3-7 parts of acrylic acid, 0.5-0.8 parts of initiator, 2-4 parts of potassium stearate.
Preferably, the initiator is cumyl peroxide.
Preferably, the ethylene propylene diene rubber preparation method is:By ethylene propylene diene rubber, acrylic acid, initiator, stearic acid
Potassium adds extruding pelletization in double screw extruder, and the screw speed used during extruding pelletization is 40-50r/min.
Preferably, the age resistor is carried out by p phenylenediamine type antioxidant and poly- methylterephthalic acid's calcium zinc salt for raw material
Complex reaction is obtained, and the weight ratio of wherein p phenylenediamine type antioxidant and poly- methylterephthalic acid's calcium zinc salt is 2: 3.
A kind of preparation method of excavator mechanical rubber crawler belt, it is characterised in that:Comprise the following steps:
Step 1: the roll spacing of two-roll mill is adjusted into 0.5mm, ethylene propylene diene rubber of plasticating beats triangle bag, eight times;
Step 2: then adjustment roll spacing adds magnesia, stearic acid, age resistor, fire retardant, microwax to 1mm;
Step 3: after above-mentioned various raw materials are mixed, then add white carbon, plasticizer, reinforcing agent;
It is thin logical ten times Step 4: roll spacing then is adjusted into 0.5mm, then bottom sheet.
Compared with prior art, the present invention has following beneficial effect:
(1) a kind of excavator mechanical rubber crawler belt that the present invention is provided.The rubber belt track can be in more severe use
High tear, high tensile, ageing-resistant and excellent outward appearance are kept under environment, its technique is simple, reasonable raw material proportioning, by rubber
The normal service life of glue crawler belt brings up to 1520h by 1000h or so, the need for meeting actual conditions;
(2) a kind of excavator mechanical rubber crawler belt that the present invention is provided, the crawler belt major ingredient is ethylene propylene diene rubber, is matched somebody with somebody
The auxiliary materials such as acrylic acid, initiator are closed, made rubber belt track improves the intensity of virgin rubber, it is ensured that obtained material property is steady
It is fixed, meet the demand of market diversification;
(3) age resistor is added in a kind of excavator mechanical rubber crawler belt that the present invention is provided, formula, age resistor passes through network
Close and be modified, not only maintain the excellent anti ageing property of original age resistor, but also because what original age resistor was complexed is one
Organic salt is planted, under both synergies solvent-proof stability is greatly improved, so as to improve to the long-acting of product
Protective value.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.
Embodiment 1
A kind of excavator mechanical rubber crawler belt that the present embodiment is provided, described excavator mechanical rubber crawler belt includes
The raw material of following parts by weight:85 parts of ethylene propylene diene rubber, 11 parts of magnesia, 9 parts of stearic acid, 4 parts of age resistor, 3 parts of fire retardant,
5 parts of microwax, 7 parts of white carbon, 1.3 parts of plasticizer, 12 parts of reinforcing agent.In the present embodiment, the initiator is peroxidating two
Isopropylbenzene.In the present embodiment, the reinforcing agent is the mixture of calcium carbonate, kaolin, diatomite and silica flour.The plasticising
Agent is made up of ester plasticizer and ether compound, and the ether compound is the aliphatic compound containing C1-C20 alkyl, described
Ester plasticizer is the aliphatic compound containing C1-C20 alkyl.The age resistor is by p phenylenediamine type antioxidant and poly- methyl
Terephthalic acid (TPA) calcium zinc salt is that raw material progress complex reaction is obtained, wherein p phenylenediamine type antioxidant and poly- methylterephthalic acid
The weight ratio of calcium zinc salt is 2: 3.
In the present embodiment, the ethylene propylene diene rubber is made up of the raw material of following parts by weight:Ethylene propylene diene rubber 108
Part, 3 parts of acrylic acid, 0.8 part of initiator, 2 parts of potassium stearate.The ethylene propylene diene rubber preparation method is:By ethylene-propylene-diene monomer
Glue, acrylic acid, initiator, potassium stearate add extruding pelletization, the screw speed used during extruding pelletization in double screw extruder
It is 50r/min.
A kind of preparation method of excavator mechanical rubber crawler belt, it is characterised in that:Comprise the following steps:
Step 1: the roll spacing of two-roll mill is adjusted into 0.5mm, ethylene propylene diene rubber of plasticating beats triangle bag, eight times;
Step 2: then adjustment roll spacing adds magnesia, stearic acid, age resistor, fire retardant, microwax to 1mm;
Step 3: after above-mentioned various raw materials are mixed, then add white carbon, plasticizer, reinforcing agent;
It is thin logical ten times Step 4: roll spacing then is adjusted into 0.5mm, then bottom sheet.
Embodiment 2
A kind of excavator mechanical rubber crawler belt that the present embodiment is provided, described excavator mechanical rubber crawler belt includes
The raw material of following parts by weight:50 parts of ethylene propylene diene rubber, 19 parts of magnesia, 1 part of stearic acid, 5 parts of age resistor, 1 part of fire retardant,
11 parts of microwax, 2 parts of white carbon, 3.2 parts of plasticizer, 4 parts of reinforcing agent.In the present embodiment, the initiator is peroxidating two
Isopropylbenzene.In the present embodiment, the reinforcing agent is the mixture of calcium carbonate, kaolin, diatomite and silica flour.The plasticising
Agent is made up of ester plasticizer and ether compound, and the ether compound is the aliphatic compound containing C1-C20 alkyl, described
Ester plasticizer is the aliphatic compound containing C1-C20 alkyl.The age resistor is by p phenylenediamine type antioxidant and poly- methyl
Terephthalic acid (TPA) calcium zinc salt is that raw material progress complex reaction is obtained, wherein p phenylenediamine type antioxidant and poly- methylterephthalic acid
The weight ratio of calcium zinc salt is 2: 3.
In the present embodiment, the ethylene propylene diene rubber is made up of the raw material of following parts by weight:Ethylene propylene diene rubber 92
Part, 7 parts of acrylic acid, 0.5 part of initiator, 4 parts of potassium stearate.The ethylene propylene diene rubber preparation method is:By ethylene-propylene-diene monomer
Glue, acrylic acid, initiator, potassium stearate add extruding pelletization, the screw speed used during extruding pelletization in double screw extruder
It is 40r/min.
A kind of preparation method of excavator mechanical rubber crawler belt, it is characterised in that:Comprise the following steps:
Step 1: the roll spacing of two-roll mill is adjusted into 0.5mm, ethylene propylene diene rubber of plasticating beats triangle bag, eight times;
Step 2: then adjustment roll spacing adds magnesia, stearic acid, age resistor, fire retardant, microwax to 1mm;
Step 3: after above-mentioned various raw materials are mixed, then add white carbon, plasticizer, reinforcing agent;
It is thin logical ten times Step 4: roll spacing then is adjusted into 0.5mm, then bottom sheet.
Embodiment 3
A kind of excavator mechanical rubber crawler belt that the present embodiment is provided, described excavator mechanical rubber crawler belt includes
The raw material of following parts by weight:65 parts of ethylene propylene diene rubber, 15 parts of magnesia, 5 parts of stearic acid, 4 parts of age resistor, 2 parts of fire retardant,
6 parts of microwax, 5 parts of white carbon, 1.7 parts of plasticizer, 8 parts of reinforcing agent.In the present embodiment, the initiator is that peroxidating two is different
Propyl benzene.In the present embodiment, the reinforcing agent is the mixture of calcium carbonate, kaolin, diatomite and silica flour.The plasticizer
It is made up of ester plasticizer and ether compound, the ether compound is the aliphatic compound containing C1-C20 alkyl, the ester
Class plasticizer is the aliphatic compound containing C1-C20 alkyl.The age resistor is by p phenylenediamine type antioxidant and poly- methyl pair
Phthalic acid calcium zinc salt is that raw material progress complex reaction is obtained, wherein p phenylenediamine type antioxidant and poly- methylterephthalic acid's calcium
The weight ratio of zinc salt is 2: 3.
In the present embodiment, the ethylene propylene diene rubber is made up of the raw material of following parts by weight:Ethylene propylene diene rubber 98
Part, 3-7 parts of acrylic acid, 0.7 part of initiator, 3 parts of potassium stearate.The ethylene propylene diene rubber preparation method is:By EPDM
Rubber, acrylic acid, initiator, potassium stearate add extruding pelletization in double screw extruder, and the screw rod used during extruding pelletization turns
Speed is 45r/min.
A kind of preparation method of excavator mechanical rubber crawler belt, it is characterised in that:Comprise the following steps:
Step 1: the roll spacing of two-roll mill is adjusted into 0.5mm, ethylene propylene diene rubber of plasticating beats triangle bag, eight times;
Step 2: then adjustment roll spacing adds magnesia, stearic acid, age resistor, fire retardant, microwax to 1mm;
Step 3: after above-mentioned various raw materials are mixed, then add white carbon, plasticizer, reinforcing agent;
It is thin logical ten times Step 4: roll spacing then is adjusted into 0.5mm, then bottom sheet.
Experiment test:
Carry out performance test to rubber belt track obtained by above-described embodiment 1-3, is divided into 1 group, 2 groups, 3 groups, while taking common
Crawler belt is used as control.
1st, heat aging property
Aging condition:200℃×24h.
2nd, Mechanics Performance Testing
Tensile strength and elongation:Tested by GB/T 528-1998;Tearing strength:Tested by GB/T 529-1999;Firmly
Degree:Tested by GB/T 531-1999.
Test index is tensile strength, elongation at break, tearing strength and hardness, and test result is as shown in table 1.
The test result list of table 1
As can be seen here, the excavator mechanical rubber crawler belt that provides of the present invention is better than general rubber belt track performance.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of excavator mechanical rubber crawler belt, it is characterised in that:Described excavator mechanical rubber crawler belt includes as follows
The raw material of parts by weight:It is 50-85 parts of ethylene propylene diene rubber, 11-19 parts of magnesia, 1-9 parts of stearic acid, 4-5 parts of age resistor, fire-retardant
1-3 parts of agent, 5-11 parts of microwax, 2-7 parts of white carbon, 1.3-3.2 parts of plasticizer, 4-12 parts of reinforcing agent.
2. a kind of excavator mechanical rubber crawler belt according to claim 1, it is characterised in that:The reinforcing agent is carbonic acid
Calcium, kaolin, the mixture of diatomite and silica flour.
3. a kind of excavator mechanical rubber crawler belt according to claim 2, it is characterised in that:The plasticizer is by esters
Plasticizer and ether compound are made, and the ether compound is the aliphatic compound containing C1-C20 alkyl, the esters plasticising
Agent is the aliphatic compound containing C1-C20 alkyl.
4. a kind of excavator mechanical rubber crawler belt according to claim 1, it is characterised in that:The ethylene propylene diene rubber
It is made up of the raw material of following parts by weight:92-108 parts of ethylene propylene diene rubber, 3-7 parts of acrylic acid, 0.5-0.8 parts of initiator, firmly
2-4 parts of resin acid potassium.
5. a kind of excavator mechanical rubber crawler belt according to claim 4, it is characterised in that:The initiator is peroxide
Change diisopropylbenzene (DIPB).
6. a kind of excavator mechanical rubber crawler belt according to claim 4, it is characterised in that:The ethylene propylene diene rubber
Preparation method is:Ethylene propylene diene rubber, acrylic acid, initiator, potassium stearate are added into extruding pelletization in double screw extruder, squeezed
It is 40-50r/min to go out the screw speed used when granulating.
7. a kind of excavator mechanical rubber crawler belt according to claim 1, it is characterised in that:The age resistor is by benzene
Diamines age resistor is that raw material progress complex reaction is obtained with poly- methylterephthalic acid's calcium zinc salt, and wherein p-phenylenediamine class is anti-old
The weight ratio of agent and poly- methylterephthalic acid's calcium zinc salt is 2: 3.
8. a kind of preparation method of excavator mechanical rubber crawler belt as described in claim any one of 1-7, it is characterised in that:
Comprise the following steps:
Step 1: the roll spacing of two-roll mill is adjusted into 0.5mm, ethylene propylene diene rubber of plasticating beats triangle bag, eight times;
Step 2: then adjustment roll spacing adds magnesia, stearic acid, age resistor, fire retardant, microwax to 1mm;
Step 3: after above-mentioned various raw materials are mixed, then add white carbon, plasticizer, reinforcing agent;
It is thin logical ten times Step 4: roll spacing then is adjusted into 0.5mm, then bottom sheet.
Priority Applications (1)
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CN201710536134.9A CN107312250A (en) | 2017-07-04 | 2017-07-04 | A kind of excavator mechanical rubber crawler belt and preparation method thereof |
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CN201710536134.9A CN107312250A (en) | 2017-07-04 | 2017-07-04 | A kind of excavator mechanical rubber crawler belt and preparation method thereof |
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CN201710536134.9A Withdrawn CN107312250A (en) | 2017-07-04 | 2017-07-04 | A kind of excavator mechanical rubber crawler belt and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108727646A (en) * | 2018-05-22 | 2018-11-02 | 徐工集团工程机械有限公司 | A kind of rubber belt track |
CN112592540A (en) * | 2020-12-15 | 2021-04-02 | 浙江奋飞橡塑制品有限公司 | Flame-retardant rubber for coal mine and preparation method and application thereof |
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CN101333304A (en) * | 2008-07-28 | 2008-12-31 | 常州市五洲化工有限公司 | Rubber antiager and method for preparing same |
CN102093644A (en) * | 2010-12-31 | 2011-06-15 | 上海众力汽车部件有限公司 | Ethylene-propylene-diene rubber composition with high comprehensive performance and preparation method thereof |
CN102827403A (en) * | 2012-09-12 | 2012-12-19 | 青岛开世密封工业有限公司 | High-strength rubber track for excavating machines and manufacturing method thereof |
CN103570878A (en) * | 2013-11-22 | 2014-02-12 | 江苏恒峰线缆有限公司 | High-strength ethylene propylene diene monomer and preparation method thereof |
CN104448664A (en) * | 2014-03-26 | 2015-03-25 | 江苏荣宜电缆有限公司 | Ethylene-propylene-diene monomer material used for electric wire and preparation method of ethylene-propylene-diene monomer material |
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2017
- 2017-07-04 CN CN201710536134.9A patent/CN107312250A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101333304A (en) * | 2008-07-28 | 2008-12-31 | 常州市五洲化工有限公司 | Rubber antiager and method for preparing same |
CN102093644A (en) * | 2010-12-31 | 2011-06-15 | 上海众力汽车部件有限公司 | Ethylene-propylene-diene rubber composition with high comprehensive performance and preparation method thereof |
CN102827403A (en) * | 2012-09-12 | 2012-12-19 | 青岛开世密封工业有限公司 | High-strength rubber track for excavating machines and manufacturing method thereof |
CN103570878A (en) * | 2013-11-22 | 2014-02-12 | 江苏恒峰线缆有限公司 | High-strength ethylene propylene diene monomer and preparation method thereof |
CN104448664A (en) * | 2014-03-26 | 2015-03-25 | 江苏荣宜电缆有限公司 | Ethylene-propylene-diene monomer material used for electric wire and preparation method of ethylene-propylene-diene monomer material |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108727646A (en) * | 2018-05-22 | 2018-11-02 | 徐工集团工程机械有限公司 | A kind of rubber belt track |
CN108727646B (en) * | 2018-05-22 | 2020-08-07 | 徐工集团工程机械有限公司 | Rubber track |
CN112592540A (en) * | 2020-12-15 | 2021-04-02 | 浙江奋飞橡塑制品有限公司 | Flame-retardant rubber for coal mine and preparation method and application thereof |
CN112592540B (en) * | 2020-12-15 | 2022-04-22 | 浙江奋飞橡塑制品有限公司 | Flame-retardant rubber for coal mine and preparation method and application thereof |
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