CN109721860A - A kind of ageing-resistant rubber crawler belt - Google Patents
A kind of ageing-resistant rubber crawler belt Download PDFInfo
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- CN109721860A CN109721860A CN201811559802.0A CN201811559802A CN109721860A CN 109721860 A CN109721860 A CN 109721860A CN 201811559802 A CN201811559802 A CN 201811559802A CN 109721860 A CN109721860 A CN 109721860A
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Abstract
The invention discloses a kind of ageing-resistant rubber crawler belts, raw material is made of raw rubber, promotor, magnesia, zinc oxide, anti-aging agent, carbon black, silane coupling agent kh550, antiscorching agent PVI, stearic acid, low-density naphthenic oil, superfine active pottery clay, calcium carbonate, light stabilizer, fire retardant, is prepared by being initially kneaded, being kneaded, be packaged bottom sheet.The anti-aging property and intensity that rubber is improved by different raw rubber components and addition anti-aging agent, antiscorching agent, fire retardant, carbon black, superfine active pottery clay, light stabilizer etc., prolong its service life；The sulfidation for promoting rubber using promotor, magnesia, zinc oxide, silane coupling agent kh550 etc., keeps the vulcanization of rubber more abundant.
Description
Technical field
The present invention relates to a kind of rubber materials and preparation method thereof, and in particular to a kind of ageing-resistant rubber crawler belt and its preparation
Method.
Background technique
Rubber belt track is the endless rubber belt that rubber and metal or fibrous material are combined, and has and does not damage road surface, ground connection
Than pressing the advantages that small, wetland passability is good, with small vibration, noise is low, speed is fast, reduction main screw lift, corrosion resistance and good, carrying out
Have very extensive purposes in belt vehicle, on engineering machinery, building machinery, farm machinery, graden machine application than
Example is continuously improved.But aging phenomenon easily occurs earlier for rubber belt track used at present, causes crawler belt in later period use process
Intensity is insufficient, is unable to satisfy the requirement of bearing capacity and service life in engineering machinery.
Currently, domestic be directed to the research of rubber belt track anti-aging property, main pass through adds promotor, antiaging agent, plasticising
Agent, diatomite in powder etc. improve the ageing properties of rubber belt track, rubber belt track in mid-early stage in use, resistance to ag(e)ing be able to maintain compared with
Good, when using the middle and later periods, ageing properties are reduced serious, cause the intensity of rubber belt track insufficient, to reduce to a certain extent
The use rank of crawler belt, or even have to replace rubber belt track in advance.
Summary of the invention
Purpose: to solve the deficiencies in the prior art, the present invention provides a kind of ageing-resistant rubber crawler belt, according to actual needs,
The raw rubber of crawler belt is added in proportion, meets the primary demand of track strength, while various compounding agents are added, it is such as anti-old
Agent, titanate coupling agent, antiscorching agent, carbon black, fire retardant, microwax, light stabilizer etc. improve the various performances of crawler belt, make to carry out
Ageing resistance, anti-flammability, the wearability of band are greatly improved, and by plasticating, being kneaded, refine prepare high performance rubber eventually
Glue meets the needs of engineering machinery ageing-resistant rubber crawler belt.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of ageing-resistant rubber crawler belt, which is characterized in that raw material by raw rubber, promotor, magnesia, zinc oxide, anti-aging agent,
Carbon black, silane coupling agent kh550, antiscorching agent PVI, stearic acid, low-density naphthenic oil, superfine active pottery clay, calcium carbonate, light are stablized
Agent, fire retardant composition, are prepared by being initially kneaded, being kneaded, be packaged bottom sheet.
Preferably, the ageing-resistant rubber crawler belt, which is characterized in that by the raw material system of following parts by weight
At: 100 parts of raw rubber, 1-3 parts of promotor, 3-5 parts of magnesia, 3-5 parts of zinc oxide, 4-8 parts of anti-aging agent, 20-60 parts of carbon black, silane
1-2 parts of coupling agent kh550,0.5-1.5 parts of antiscorching agent PVI, 1-2 parts of stearic acid, 2-5 parts of low-density naphthenic oil, superfine active
10-20 parts of clay, 3-5 parts of calcium carbonate, 0.5-2 parts of light stabilizer, 1-3 parts of fire retardant.
Preferably, the raw rubber is mixed for one or more of ethylene propylene diene rubber, neoprene, butadiene rubber
It closes.
Preferably, the promotor includes Vulcanization accelerator TMTD and accelerant A Z or Vulcanization accelerator TMTD and accelerant B Z
Or Vulcanization accelerator TMTD and accelerant A Z, accelerant B Z.
Preferably, the anti-aging agent is antioxidant NBC, in anti-aging agent NMB, antioxidant D FC-34, anti-aging agent CMA
One or more of mixing.
Preferably, the carbon black is one or more of carbon black N330, carbon black N550, carbon black N770 mixing.
Preferably, the fire retardant is one or more of antimony oxide, chlorinated paraffin, decabromodiphenyl oxide
Mixing.
Preferably, the light stabilizer is polymerized hindered amine light stabilizer PDS (styrene-methyl third
Olefin(e) acid copolymer).
On the other hand, the ageing-resistant rubber crawler belt, preparation method the following steps are included:
Step 1: ingredient prepares: by accelerant A Z and/or BZ, magnesia, anti-aging agent, antiscorching agent PVI, silane coupling agent
Kh550, stearic acid, low-density naphthenic oil, crushing are sieved after dry, and weighing is ready in proportion；
Step 2:
It is initial to be kneaded: to be 1:1.3 by the speed ratio of roller before and after open mill, open mill roll spacing is adjusted to 1mm, raw rubber modeling is added
Refining after the completion of plasticizing, is added the ingredient prepared in step 1 and continues to be kneaded；
Step 3:
It is kneaded: open mill roll spacing is adjusted to 0.8mm, then by rubber and the calcium carbonate, fire-retardant after the completion of initial be kneaded
Agent, light stabilizer are kneaded；After the completion of mixing, carbon black is added in rubber, superfine active pottery clay is kneaded again；It is kneaded
After the completion, zinc oxide is added in rubber, Vulcanization accelerator TMTD is finally kneaded；
Step 4:
Be packaged bottom sheet: it is to be done eat powder after, be repeatedly packaged, keep raw rubber and compounding agent evenly dispersed；Under subsequent sizing material
Piece is parked 4 hours.
The utility model has the advantages that a kind of ageing-resistant rubber crawler belt provided by the invention, has the advantage that
A) pass through different raw rubber components and addition anti-aging agent, antiscorching agent, fire retardant, carbon black, superfine active pottery clay, light
Stabilizer etc. improves the anti-aging property and intensity of rubber, prolongs its service life；
B) ratio that can according to actual needs, adjust the component of raw rubber, ratio and compounding agent, meets the need of different user
It asks；
C) sulfidation for promoting rubber using promotor, magnesia, zinc oxide, silane coupling agent kh550 etc., makes rubber
Vulcanization it is more abundant；
D) different production methods is used to the raw rubber of different components, reaches the requirement of rubber ageing-resistant performance.
Specific embodiment
Illustrate below with reference to example to the present invention: all raw materials in the present invention can directly commercially
It obtains.
Ethylene propylene diene rubber --- excellent ageing-resistant and chemical-resistant resistance characteristic, Applicable temperature range is wide, minimum use
Temperature -40~-60 DEG C can use under the conditions of 130 DEG C for a long time.
Antiscorching agent PVI --- N- cyclohexylthiophthalimide can be effectively prevented sizing material in process
Incipient scorch occurs, has good anti-scorch effect with various general accelerator combinations, with TMTD and with properties of rubber is improved, improves calendering
With the production efficiency of extrusion.
Decabromodiphenyl oxide --- molecular formula is C12Br10O is more preferably with antimony oxide and with flame retardant effect pollution-free resistance
Fire agent.
Antioxidant NBC --- fusing point is not less than 83 DEG C, do not pollute, easily dispersion, for excellent antiozonant.It can be used for resistance to
Hot, resistance to atmospheric aging resists and bends in the rubber of cracking.
The technical solution adopted by the present invention is that be made of the basic material of parts by weight, 100 parts of raw rubber, 1-3 parts of promotor,
3-5 parts of magnesia, 3-5 parts of zinc oxide, 4-8 parts of anti-aging agent, 20-60 parts of carbon black, 1-2 parts of silane coupling agent kh550, antiscorching agent
PVI0.5-1.5 parts, 1-2 parts of stearic acid, 2-5 parts of low-density naphthenic oil, 10-20 parts of superfine active pottery clay, 3-5 parts of calcium carbonate, light
0.5-2 parts of stabilizer, 1-3 parts of fire retardant.
Wherein, the raw rubber is one or more of mixing of ethylene propylene diene rubber, neoprene, butadiene rubber；It is described
Promotor be AZ, BZ, TMTD one or more of mixing；The anti-aging agent be NBC, NMB, DFC-34, CMA one kind or
Several mixing；The carbon black is one or more of mixing of N330, N550, N770；The fire retardant be antimony oxide,
One or more of mixing of chlorinated paraffin, decabromodiphenyl oxide；The light stabilizer is polymerized hindered amine light stabilizer
PDS。
The ageing-resistant rubber crawler belt the preparation method is as follows:
Step 1:
Ingredient preparation: accelerant A Z and/or BZ, magnesia, antiscorching agent, silane coupling agent, stearic acid, low-density are got out
The compounding agents such as naphthenic oil, crushing are sieved after dry, and it is uniform to be put into container for stirring for weighing in proportion.
Step 2:
It is initial to be kneaded: to be 1:1.3 by the speed ratio of roller before and after open mill, open mill roll spacing is adjusted to 1mm, raw rubber modeling is added
Refining, the ingredient being added in step 1 after the completion of plasticizing continue to be kneaded.
Step 3:
It is kneaded: open mill roll spacing is adjusted to 0.8mm, then by rubber and the calcium carbonate, fire-retardant after the completion of initial be kneaded
Agent, light stabilizer are kneaded；After the completion of mixing, carbon black is added in rubber, superfine active pottery clay is kneaded again；It is kneaded
After the completion, zinc oxide is added in rubber, TMTD is finally kneaded.
Step 4:
Be packaged bottom sheet: it is to be done eat powder after, be repeatedly packaged, keep raw rubber and compounding agent evenly dispersed.Under subsequent sizing material
Piece is parked 4 hours.
Specific embodiment:
Embodiment 1:
A kind of ageing-resistant rubber crawler belt provided in this embodiment, the ageing-resistant rubber crawler belt include following parts by weight
Raw material: 60 parts of ethylene propylene diene rubber, 40 parts of neoprene, accelerant B Z and TMTD be 1 part each, 3.5 parts of magnesia, zinc oxide 4
Part, antioxidant NBC, NMB, DFC-34 be 2 parts each, 40 parts of carbon black N550,1 part of antiscorching agent PVI, 1 part of silane coupling agent kh550,
1 part of stearic acid, 3 parts of low-density naphthenic oil, 15 parts of superfine active pottery clay, 4 parts of calcium carbonate, PDS1 parts of light stabilizer, three oxidations two
Each 1 part of antimony, chlorinated paraffin.
Step 1:
Ingredient preparation: it is even that accelerant B Z, magnesia, antioxidant NBC, NMB, DFC-34, antiscorching agent PVI, silane are got out
Compounding agents, the crushing such as connection agent kh550, stearic acid, low-density naphthenic oil are sieved after dry, and weighing is put into container for stirring in proportion
Uniformly.
Step 2:
It is initial to be kneaded: to be 1:1.3 by the speed ratio of roller before and after open mill, open mill roll spacing is adjusted to 1mm, EPDM is added
Rubber and neoprene are plasticated, and the ingredient being added in step 1 after the completion of plasticizing continues to be kneaded.
Step 3:
It is kneaded: open mill roll spacing is adjusted to 0.8mm, then by the rubber and calcium carbonate, three oxygen after the completion of initial be kneaded
Change two antimony, chlorinated paraffin, light stabilizer PDS to be kneaded；After the completion of mixing, carbon black N550, superfine active are added in rubber
Clay is kneaded again；After the completion of mixing, zinc oxide is added in rubber, Vulcanization accelerator TMTD is finally kneaded.
Step 4:
Be packaged bottom sheet: it is to be done eat powder after, be repeatedly packaged, keep raw rubber and compounding agent evenly dispersed.Under subsequent sizing material
Piece is parked 4 hours.
Embodiment 2:
A kind of ageing-resistant rubber crawler belt provided in this embodiment, the ageing-resistant rubber crawler belt include following parts by weight
Raw material: 60 parts of ethylene propylene diene rubber, 40 parts of butadiene rubber, accelerant A Z and TMTD be 1.5 parts each, 4 parts of magnesia, zinc oxide 4
Part, anti-aging agent NMB, DFC-34, CMA be 2.5 parts each, 50 parts of carbon black N770,1.5 parts of antiscorching agent PVI, silane coupling agent kh550
2 parts, 1.5 parts of stearic acid, 3.5 parts of low-density naphthenic oil, 16 parts of superfine active pottery clay, 3.5 parts of calcium carbonate, light stabilizer PDS
1.5 parts, antimony oxide, each 1.5 parts of decabromodiphenyl oxide.
Step 1:
Ingredient preparation: it is even that accelerant A Z, magnesia, anti-aging agent NMB, DFC-34, CMA, antiscorching agent PVI, silane are got out
Compounding agents, the crushing such as connection agent kh550, stearic acid, low-density naphthenic oil are sieved after dry, and weighing is put into container for stirring in proportion
Uniformly.
Step 2:
It is initial to be kneaded: to be 1:1.3 by the speed ratio of roller before and after open mill, open mill roll spacing is adjusted to 1mm, EPDM is added
Rubber and butadiene rubber are plasticated, and the ingredient being added in step 1 after the completion of plasticizing continues to be kneaded.
Step 3:
It is kneaded: open mill roll spacing is adjusted to 0.8mm, then by the rubber and calcium carbonate, three oxygen after the completion of initial be kneaded
Change two antimony, decabromodiphenyl oxide, light stabilizer PDS to be kneaded；After the completion of mixing, carbon black N770, ultra-fine work are added in rubber
Property clay is kneaded again；After the completion of mixing, zinc oxide is added in rubber, Vulcanization accelerator TMTD is finally kneaded.
Step 4:
Be packaged bottom sheet: it is to be done eat powder after, be repeatedly packaged, keep raw rubber and compounding agent evenly dispersed.Under subsequent sizing material
Piece is parked 4 hours.
Embodiment 3:
A kind of ageing-resistant rubber crawler belt provided in this embodiment, the ageing-resistant rubber crawler belt include following parts by weight
Raw material: 50 parts of ethylene propylene diene rubber, 30 parts of neoprene, 20 parts of butadiene rubber, accelerant A Z, BZ and TMTD be 1 part each, oxidation
3 parts of magnesium, 3 parts of zinc oxide, antioxidant NBC, NMB, DFC-34, CMA be 2 parts each, 40 parts of carbon black N330,0.5 part of antiscorching agent PVI,
1.5 parts of silane coupling agent kh550,1 part of stearic acid, 2 parts of low-density naphthenic oil, 12 parts of superfine active pottery clay, 3 parts of calcium carbonate, light
Each 0.5 part of 2 parts of stabilizer PDS, antimony oxide, chlorinated paraffin, decabromodiphenyl oxide.
Step 1:
Ingredient preparation: be ready to accelerant A Z, BZ, magnesia, antioxidant NBC, NMB, DFC-34, CMA, antiscorching agent PVI,
Compounding agents, the crushing such as silane coupling agent kh550, stearic acid, low-density naphthenic oil are sieved after dry, and weighing is put into container in proportion
Inside stir evenly.
Step 2:
It is initial to be kneaded: to be 1:1.3 by the speed ratio of roller before and after open mill, open mill roll spacing is adjusted to 1mm, EPDM is added
Rubber, neoprene and butadiene rubber are plasticated, and the ingredient being added in step 1 after the completion of plasticizing continues to be kneaded.
Step 3:
It is kneaded: open mill roll spacing is adjusted to 0.8mm, then by the rubber and calcium carbonate, three oxygen after the completion of initial be kneaded
Change two antimony, chlorinated paraffin, decabromodiphenyl oxide, light stabilizer PDS to be kneaded；After the completion of mixing, carbon black is added in rubber
N330, superfine active pottery clay are kneaded again；After the completion of mixing, zinc oxide is added in rubber, Vulcanization accelerator TMTD carries out most
It is kneaded eventually.
Step 4:
Be packaged bottom sheet: it is to be done eat powder after, be repeatedly packaged, keep raw rubber and compounding agent evenly dispersed.Under subsequent sizing material
Piece is parked 4 hours.Passage capacity detection, the results are shown in Table 1:
1 rubber performance testing result of table
The present invention obtains ageing-resistant rubber crawler belt by the above method, and can be by adjusting the ratio of raw rubber, compounding agent
Meet actually required.In the various embodiments described above of the present invention, the serial number or sequencing of embodiment are merely convenient of description, do not represent
The superiority and inferiority of embodiment.It all emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment, may refer to
The associated description of other embodiments.
The present invention is disclosed with preferred embodiment above, so it is not intended to limiting the invention, all to use equivalent replacement
Or equivalent transformation mode technical solution obtained, it is within the scope of the present invention.
Claims (9)
1. a kind of ageing-resistant rubber crawler belt, which is characterized in that raw material is by raw rubber, promotor, magnesia, zinc oxide, anti-aging agent, charcoal
Black, silane coupling agent kh550, antiscorching agent PVI, stearic acid, low-density naphthenic oil, superfine active pottery clay, calcium carbonate, light are stablized
Agent, fire retardant composition, are prepared by being initially kneaded, being kneaded, be packaged bottom sheet.
2. ageing-resistant rubber crawler belt according to claim 1, which is characterized in that be prepared from the following raw materials in parts by weight:
100 parts of raw rubber, 1-3 parts of promotor, 3-5 parts of magnesia, 3-5 parts of zinc oxide, 4-8 parts of anti-aging agent, 20-60 parts of carbon black, silane are even
Join 1-2 parts of agent kh550,0.5-1.5 parts of antiscorching agent PVI, 1-2 parts of stearic acid, 2-5 parts of low-density naphthenic oil, superfine active pottery
10-20 parts native, 3-5 parts of calcium carbonate, 0.5-2 parts of light stabilizer, 1-3 parts of fire retardant.
3. ageing-resistant rubber crawler belt according to claim 1 or 2, it is characterised in that: the raw rubber be ethylene propylene diene rubber,
The mixing of one or more of neoprene, butadiene rubber.
4. ageing-resistant rubber crawler belt according to claim 1 or 2, it is characterised in that: the promotor includes promotor
TMTD and accelerant A Z or Vulcanization accelerator TMTD and accelerant B Z or Vulcanization accelerator TMTD and accelerant A Z, accelerant B Z.
5. ageing-resistant rubber crawler belt according to claim 1 or 2, it is characterised in that: the anti-aging agent be antioxidant NBC,
One or more of anti-aging agent NMB, antioxidant D FC-34, anti-aging agent CMA mixing.
6. ageing-resistant rubber crawler belt according to claim 1 or 2, it is characterised in that: the carbon black is carbon black N330, carbon black
One or more of N550, carbon black N770 mixing.
7. ageing-resistant rubber crawler belt according to claim 1 or 2, it is characterised in that: the fire retardant be antimony oxide,
The mixing of one or more of chlorinated paraffin, decabromodiphenyl oxide.
8. ageing-resistant rubber crawler belt according to claim 1 or 2, it is characterised in that: the light stabilizer is aggretion type
Hindered amine light stabilizer PDS.
9. the preparation method of the described in any item ageing-resistant rubber crawler belts of claim 1-8, which is characterized in that including following step
It is rapid:
Step 1: ingredient prepares: by accelerant A Z and/or BZ, magnesia, anti-aging agent, antiscorching agent PVI, silane coupling agent
Kh550, stearic acid, low-density naphthenic oil, crushing are sieved after dry, and weighing is ready in proportion；
Step 2:
It is initial to be kneaded: to be 1:1.3 by the speed ratio of roller before and after open mill, open mill roll spacing is adjusted to 1mm, raw rubber is added and plasticates, moulds
After the completion of change, the ingredient prepared in step 1 is added and continues to be kneaded；
Step 3:
It is kneaded: open mill roll spacing is adjusted to 0.8mm, then by the rubber and calcium carbonate, fire retardant, light after the completion of initial be kneaded
Stabilizer is kneaded；After the completion of mixing, carbon black is added in rubber, superfine active pottery clay is kneaded again；It is kneaded and completes
Afterwards, zinc oxide is added in rubber, Vulcanization accelerator TMTD is finally kneaded；
Step 4:
Be packaged bottom sheet: it is to be done eat powder after, be repeatedly packaged, keep raw rubber and compounding agent evenly dispersed；Subsequent sizing material bottom sheet, stops
It puts 4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559802.0A CN109721860A (en) | 2018-12-20 | 2018-12-20 | A kind of ageing-resistant rubber crawler belt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559802.0A CN109721860A (en) | 2018-12-20 | 2018-12-20 | A kind of ageing-resistant rubber crawler belt |
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| CN109721860A true CN109721860A (en) | 2019-05-07 |
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| CN201811559802.0A Pending CN109721860A (en) | 2018-12-20 | 2018-12-20 | A kind of ageing-resistant rubber crawler belt |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112876747A (en) * | 2021-01-15 | 2021-06-01 | 徐工集团工程机械有限公司 | High-temperature-resistant anti-ultraviolet rubber, rubber track and preparation method thereof |
| WO2021170151A1 (en) * | 2021-01-13 | 2021-09-02 | 徐工集团工程机械有限公司 | High performance rubber, rubber track, and preparation method therefor |
| CN113512237A (en) * | 2021-06-04 | 2021-10-19 | 徐工集团工程机械股份有限公司 | High-strength tear-resistant rubber track |
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| CN102803371A (en) * | 2009-06-26 | 2012-11-28 | 株式会社普利司通 | Rubber crawler |
| CN107266728A (en) * | 2017-07-28 | 2017-10-20 | 太仓冠联高分子材料有限公司 | A kind of agricultural machinery crawler belt rubber |
| CN107629276A (en) * | 2017-09-20 | 2018-01-26 | 镇江市胜得机械制造有限责任公司 | A kind of rubber belt track of tear-proof |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102803371A (en) * | 2009-06-26 | 2012-11-28 | 株式会社普利司通 | Rubber crawler |
| CN107266728A (en) * | 2017-07-28 | 2017-10-20 | 太仓冠联高分子材料有限公司 | A kind of agricultural machinery crawler belt rubber |
| CN107629276A (en) * | 2017-09-20 | 2018-01-26 | 镇江市胜得机械制造有限责任公司 | A kind of rubber belt track of tear-proof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021170151A1 (en) * | 2021-01-13 | 2021-09-02 | 徐工集团工程机械有限公司 | High performance rubber, rubber track, and preparation method therefor |
| CN114763419A (en) * | 2021-01-13 | 2022-07-19 | 徐工集团工程机械有限公司 | High-performance rubber, rubber track and preparation method thereof |
| CN114763419B (en) * | 2021-01-13 | 2024-02-02 | 江苏徐工工程机械研究院有限公司 | High-performance rubber, rubber crawler belt and preparation method of rubber crawler belt |
| CN112876747A (en) * | 2021-01-15 | 2021-06-01 | 徐工集团工程机械有限公司 | High-temperature-resistant anti-ultraviolet rubber, rubber track and preparation method thereof |
| CN113512237A (en) * | 2021-06-04 | 2021-10-19 | 徐工集团工程机械股份有限公司 | High-strength tear-resistant rubber track |
| CN113512237B (en) * | 2021-06-04 | 2024-01-05 | 徐工集团工程机械股份有限公司 | High-strength tear-resistant rubber crawler belt |
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