CN110041575A - A kind of high-wearing feature box gluing machine conveyer belt rubber friction layer and preparation method thereof - Google Patents
A kind of high-wearing feature box gluing machine conveyer belt rubber friction layer and preparation method thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/12—Layered products comprising a layer of natural or synthetic rubber comprising natural rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2433/00—Closed loop articles
- B32B2433/02—Conveyor belts
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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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
A kind of high-wearing feature box gluing machine conveyer belt rubber friction layer and preparation method thereof, the frictional layer includes the raw material of following parts by weight: 60~90 parts of butadiene rubber, 5~20 parts of natural rubber, 5~20 parts of nitrile rubber, 40~60 parts of reinforcing agent, 3~5.5 parts of protective agent, 8~12 parts of vulcanizing agent, it 6~9 parts of vulcanization aid, 12~16 parts of rubber oil, plasticated, be kneaded, being rolled, vulcanized and be prepared.The present invention can mutually supply a gap by three kinds of different type rubber blendings, play its respective advantage, significantly improve tensile strength, wearability, resilience, skin-friction coefficient is increased, wearability is enhanced, to promote the overall performance of box gluing machine conveyer belt.
Description
Technical field
The invention belongs to technical field of rubber material, and in particular to a kind of high-wearing feature box gluing machine conveyer belt rubber friction layer
And preparation method thereof.
Background technique
In packages printing industry, it is that will print, be die cut that the application of box gluing machine, which is last procedure of packing box processing,
Molding folding cardboard is formed and is pasted and ekes out a living, and machine pastes box and replaces paste box mode by hand, is reduced labour cost, is improved
Production efficiency.
The main function of box gluing machine conveyer belt is paperboard conveying, print book product etc., and operating directly decides whole whether smooth
The production efficiency of a equipment.The structure of conventional conveyor belt is constituted by five layers, under upper successively are as follows: upper frictional layer, upper articulamentum,
Intermediate casing play, lower articulamentum and lower frictional layer.Wherein friction layer material is rubber above and below, and intermediate casing play is polyamide slices
Material, being vertically connected with layer is nylon fabric.The wearability of its upper and lower surfaces rubber friction layer, coefficient of friction, resilience, tackness
Deng the directly service life of decision integral conveyor belt and transfer efficiency.Preferable wear-resisting property ensures that mantle friction layer rubber was operating
It is to be unlikely to too fast abrasion and picking that Cheng Zhongyu, which conveys object contact frictional drive, is the guarantee in service life.And high surfaces friction system
Several and resilience makes it have enough frictional force when conveying printing packaging product, it is ensured that conveying object is not easily to fall off and shifts, special
It is not frivolous printing packaging product, guarantees the whole transfer efficiency and transmission quality of belt.
The rubber of frictional layer up and down of traditional box gluing machine conveyer belt uses single nitrile rubber (NBR), by adding reinforcement
Agent, anti-aging agent, antioxidant, vulcanizing agent are kneaded, vulcanization gained.It is well known that nitrile rubber is passed through by butadiene and acrylonitrile
Made from emulsion polymerization, oil resistivity is good, and heat resistance is preferable, and antistatic property is excellent, but single nitrile rubber is as main body rubber
Glue is the disadvantage is that elasticity is low, and wearability is general, and intensity is general, and skin-friction coefficient is smaller.
Summary of the invention
The object of the present invention is to provide a kind of high-wearing feature box gluing machine conveyer belt rubber friction layers and preparation method thereof, guarantee
While frictional layer oil resistivity and antistatic property, skin-friction coefficient and resilience are improved, enhances wearability.
In order to achieve the above objectives, technical scheme is as follows:
The first aspect of the present invention provides a kind of high-wearing feature box gluing machine conveyer belt rubber friction layer, by including following heavy
The raw material of amount part is made through mixing, calendering, vulcanization: 60~90 parts of butadiene rubber, 5~20 parts of natural rubber, and nitrile rubber 5~20
Part, 40~60 parts of reinforcing agent, 3~5.5 parts of protective agent, 8~12 parts of vulcanizing agent, 6~9 parts of vulcanization aid, 12~16 parts of rubber oil.
Preferably, the high-wearing feature box gluing machine conveyer belt rubber friction layer, by including the raw material of following parts by weight through mixed
Refining, calendering, vulcanization are made: 80 parts of butadiene rubber, 10 parts of natural rubber, and 10 parts of nitrile rubber, 45 parts of reinforcing agent, protective agent 5.5
Part, 9 parts of vulcanizing agent, 7 parts of vulcanization aid, 16 parts of rubber oil.
Further, with butadiene rubber, natural rubber, fourth in the high-wearing feature box gluing machine conveyer belt rubber friction layer raw material
Nitrile rubber summation is 100 parts by weight meters, and the butadiene rubber accounts for 60~90 parts by weight, and natural rubber accounts for 5~20 parts by weight, butyronitrile
Rubber accounts for 5~20 parts by weight.
Preferably, in the macromolecular chain of the natural rubber mass content >=97% of polyisoprene, aldehyde radical content
It is 1~2%.The natural rubber can be commercially available by commercially available mode, for example, the viscous type of the perseverance of Warner rubber plant production is natural
Rubber CV60.
Preferably, the butadiene rubber is formed using 1,3- butadiene as monomer polymerization, and the butadiene rubber is high-cis
Butadiene rubber, wherein cis- Isosorbide-5-Nitrae structural content is greater than 97%.The butadiene rubber can be commercially available by commercially available mode,
For example, Yanshan Petrochemical BR9000.
Preferably, it is 40% that the nitrile rubber, which is the content of middle bound acrylonitrile,.The nitrile rubber can pass through city
Seller's formula is commercially available, for example, JSR Corp. NBR220.
Preferably, the reinforcing agent is white carbon black.
Preferably, the protective agent is rubber antioxidant and Wax-for preventing rubber, and rubber antioxidant is antioxidant 2246, prevents always
One of agent TMQ, antioxidant 264 are a variety of, and the Wax-for preventing rubber is Wax-for preventing rubber fsjs-9, in Rhein wax 654
It is one or two kinds of.
Preferably, the vulcanizing agent includes sulphur, vulcanizing agent DM (2,2 '-dithio-bis-benzothiazole) and vulcanizing agent CZ
(N- cyclohexyl -2-[4-morpholinodithio sulfenamide).Preferably, DM: CZ: weight ratio=4~6 of sulphur: 2~3: 2~3, it is more excellent
Choosing, DM: CZ: weight ratio=5 of sulphur: 2: 2.
Preferably, the vulcanization aid includes zinc oxide and stearic acid.Preferably, zinc oxide: stearic weight ratio=4
~7: 1~3, it is furthermore preferred that zinc oxide: stearic weight ratio=5: 2.
Preferably, the rubber oil is made of silane coupling agent and dibutyl ester, the weight ratio of silane coupling agent and dibutyl ester
=4~6: 8~10, it is furthermore preferred that weight ratio=6 of silane coupling agent and dibutyl ester: 10.
Preferably, the mass ratio of reinforcing agent white carbon black and silane coupling agent in the rubber oil is 10: 1 in the present invention.
It is furthermore preferred that the silane coupling agent is selected from silane coupling agent Si-69.
The present invention can mutually supply a gap by three kinds of different type rubber blendings, its respective advantage be played, to mention
Rise box gluing machine conveyer belt overall performance, three kinds of rubber of selection be respectively nitrile rubber (NBR), butadiene rubber (BR) and naturally
Rubber (NR).
In the present invention, the nitrile rubber has preferable oil resistivity, but single nitrile rubber is as main rubber
The disadvantage is that elasticity is low, wearability is general, and intensity is general, and skin-friction coefficient is smaller.
In the present invention, the macromolecular chain structure unit of the natural rubber is isoprene, and macromolecular chain is mainly by gathering
Isoprene is constituted, and accounts for 97% or more, has a small amount of aldehyde radical on chain, aldehyde radical can be with protein breakdown products amino in storage for glue
Acid reaction, forms branching and crosslinking, and then increase green tack.And cis-polyisoprene can be tied in natural rubber
Crystalline substance, crystal type are monoclinic crystal.The crystallization of natural rubber is sensitive to answering property of strain facies, so, day can be made in the case where drawing high status condition
Right rubber crystallization has biggish tensile strength to realize from reinforcement.Therefore, select natural rubber as blend compounds
The viscosity and intensity of blend compounds entirety can be improved in component.
In the present invention, the butadiene rubber, that is, polybutadiene rubber is using 1,3- butadiene as made of monomer polymerization one
Kind general purpose rubber.Since, without side group, molecular flexibility is especially good on butadiene rubber strand, these determine it with outstanding bullet
Property, the elasticity of butadiene rubber in general purpose rubber be it is best, heat is small, excellent with excellent wearability and flexible resistance.
Therefore, the present invention selects the wearability and resilience of butadiene rubber raising blend compounds.But due to butadiene rubber molecular weight distribution compared with
Narrow, easy-cold flow, it is poor to show as processing performance, is not easy to flow, and when mixing easily skids, and shows as not hanging load, this hair
It is bright that these defects are overcome by addition natural rubber.
The second aspect of the present invention provides the preparation method of the high-wearing feature box gluing machine conveyer belt rubber friction layer,
Include the following steps:
1) it plasticates
Plasticate respectively to butadiene rubber, natural rubber, nitrile rubber, the butadiene rubber plasticated, natural rubber,
Nitrile rubber；
2) it is kneaded
According to above-mentioned weight part ratio by the butadiene rubber plasticated, natural rubber, nitrile rubber, reinforcing agent, silane
Coupling agent, protective agent, vulcanizing agent sulphur, vulcanization aid stearic acid, dioctyl ester are kneaded in mixer, temperature be no more than
125℃；
Above-mentioned mixture is transferred to open mill, Bao Tong is cooled to 60 DEG C or less；It will according still further to above-mentioned weight part ratio
Vulcanization aid zinc oxide, vulcanizing agent DM, vulcanizing agent CZ are added open mill and carry out thin logical, mixing, obtain glue stuff compounding, place at least
8 hours；
3) roll
Glue stuff compounding after placing at least 8 hours is rolled to obtain calendering adhesive plaster by calender；
4) vulcanize
Will calendering adhesive plaster with embossing cloth is compound obtains compound adhesive tape, compound adhesive tape is sent into vulcanizing press and carries out sulphur
Change, after entire volume vulcanizes, peel off the embossing cloth of adhesive plaster rubber surface, obtains vulcanization adhesive plaster rubber friction i.e. of the invention
Layer.
Further, in step 1), peptizer is added into butadiene rubber, natural rubber, nitrile rubber respectively in open mill
In plasticate.
Preferably, the peptizer is phenyl-sulfhydrate compounds, such as rubber peptizer SJ-103.
In step 4), compound adhesive tape is sent into vulcanizing press, by plate mould length divide mould to vulcanize, curing temperature be 152 DEG C,
Sulfide stress 15MPa, vulcanization time 23min peel off the embossing cloth of adhesive plaster rubber surface, obtain after entire volume vulcanizes
Vulcanize adhesive plaster.
In the present invention, since the processing performance of butadiene rubber is poor, so need to plasticate by open mill before mixing,
Its processing performance can be improved but also improve subsequent and other rubber components compatibilities.Simultaneously to nitrile rubber, natural rubber
It plasticates, three kinds of crude rubbers can be improved in the compatibility of mix stage, convenient for improving the processing performance of rubber.
Glue stuff compounding after step 3) of the present invention is kneaded need to be placed at least 8 hours, autonomous by rubber small molecule auxiliary agent etc.
Diffusive migration makes its dispersion more evenly, obtains more uniform rubber compound.
The present invention prepares high-wearing feature box gluing machine conveyer belt rubber friction layer and carries out according to the production method of conventional conveyer belt
It produces to get box gluing machine conveyer belt is arrived.
Through detecting, stretch breaking strength >=19N/mm of rubber friction layer provided by the invention, abrasion loss≤0.4g breaks life
Long rate >=400%, coefficient of friction >=0.85, oil resistivity (48 hours mass changes) is +2.3% or more.Therefore, with it is existing single
Nitrile rubber frictional layer is compared, the present invention after three kinds of rubber are kneaded rubber friction layer obtained ensure that oil resistivity
It is required that while significantly improve tensile strength, wearability, resilience, skin-friction coefficient is increased, so that it is defeated to promote box gluing machine
Send the overall performance of band.
Specific embodiment
In order to illustrate more clearly of the present invention, below with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, this should not be limited with this
The protection scope of invention.
In the embodiment of the present invention, open mill: the Wuxi rubber machinery plant Yang Ming, model YM-16；Rubber mixing machine: the bright rubber of Wuxi sun
Glue machinery plant, model YM-16；Mixer: the Wuxi rubber machinery plant Yang Ming, model YM-35；Calender: Wuxi remarkable ability rubber machine
Tool factory, model XY-3F.
Table 1 is 1-3 of the embodiment of the present invention and 1 raw material of comparative example and its proportion, and table 2 is 1-3 of the embodiment of the present invention and comparison
The results of property of example 1.
Embodiment 1
1) it the preparation of raw rubber and plasticates
Butadiene rubber is plasticated: butadiene rubber (BR9000) weighed, roller spacing of open rubber refining machine is adjusted to 0.5mm, it will be suitable
Buna is placed on roller, allow its freely it is thin it is logical fall, and peptizer I (SJ-103) is added.It is repeatedly stand-by after thin logical six times.
Natural rubber is plasticated: being weighed natural rubber (the viscous CV60 of perseverance), is added peptizer II (SJ-103), operating procedure is same
On.
Nitrile rubber is plasticated: being weighed nitrile rubber (NBR220), is added peptizer III (SJ-103), operating procedure is same
On.
2) mixing of blend compounds
It is kneaded, is specifically comprised the following steps: according to the raw material proportioning of table 1
By in the butadiene rubber plasticated in step 1), natural rubber, nitrile rubber investment mixer, floating weight is depressed,
Pressure is 0.8MPa, mixing 1.5 minutes, is sufficiently mixed three.
Lift floating weight, reinforcing agent white carbon black (800 mesh of mesh number) depression bolt and silane coupling agent Si-69 pressure is added
Top bolt, mixing 3 minutes.
Lift floating weight, put into small powder packet, includes anti-antioxidant 2246, rubber antioxidant TMQ, protective agent stone in small powder packet
Wax, vulcanizing agent sulphur S-80, stearic acid.Depression bolt, mixing 1.5 minutes.
Lift floating weight, dioctyl ester be added, depression bolt continues mixing, until banburying chamber's thermometer show it is close at 125 DEG C
Refining is completed, dumping.
The sizing material that mixing is completed is transferred to open mill, roll spacing is adjusted to 0.5mm, thin logical primary.Roll spacing is adjusted to 4mm again,
Sizing material is hung to pendulum glue frame, starts to put glue, about 5 minutes, sizing material was cooled to 60 DEG C at this time.Roll spacing is adjusted to 1mm, adds vulcanization
Auxiliary agent zinc oxide, vulcanizing agent DM and vulcanizing agent CZ.It is thin 2 times logical, make a call to 2 complete triangle bags.So far blend compounds, which are kneaded, completes.By glue
Material folding is bundled, uses after placing at least 8 hours.
3) calendering of rubber friction layer:
By place 8 hours blend compounds rubber compound by calender (Wuxi remarkable ability rubber machinery plant model XY-3F) it is upper,
Lower articulamentum nylon lining cloth (first passes through surface treatment in advance and is coated with one layer of enhancing frictional layer rubber and lining cloth bonding on nylon lining cloth
The bottom pulp layer of power) on calendering a layer thickness be 1.25mm rubber, obtain calendering adhesive plaster.Winding is stand-by.
4) roll the vulcanization of adhesive plaster:
1. frictional layer adhesive plaster and embossing cloth (the frictional layer rubber surface after making vulcanization has special decorative pattern, it is possible to increase
Its skin-friction coefficient) it is compound
Rubberized fabric roll (rubber faces upward) and embossing cloth (model T5050, Wujiang Feng Yue will be rolled in drum vulcanizer front end
Industrial cloth) fitting rubber face be bonded stack in parallel, feeding drum vulcanizer (DLG700, the limited public affairs of Dalian China Korea Spro's rubber and plastics machine
Department) in carry out it is compound, combined temp control at 150 DEG C, pressure 8MPa, main drum motor frequency 30HZ obtain compound adhesive tape.In drum
The winding of formula vulcanizer rear end is stand-by；
2. the vulcanization of compound adhesive tape
Compound adhesive tape is sent into vulcanizing press (XLB-Q, Lian Huahan rubber and plastics machine Co., Ltd), divides mould by plate mould length
Vulcanization, curing temperature are 152 DEG C, sulfide stress 15MPa, and vulcanization time is 23 minutes, after entire volume vulcanizes, peel off adhesive plaster rubber
The embossing cloth on glue surface obtains vulcanization adhesive plaster.The vulcanization adhesive plaster for intercepting certain size can be used to test experiments, measure table
Face coefficient of friction and wear hardness.
5) performance test:
1. the measurement of coefficient of friction
Vulcanization adhesive plaster is taken, cuts width 70mm, the sample of length 200mm, according to standard GB-10006- along its length
88, carry out the skin-friction coefficient of vulcanization adhesive plaster rubber surface frictional layer.Test equipment used in the present invention is Hai Da international
Instrument Ltd., model HD-R819.
2. the measurement of the wear hardness of rubber surface frictional layer
Vulcanization adhesive plaster is taken, diameter 110mm, the circular specimen of center of circle diameter 9mm hole, reference standard ASTM- are cut
D1044, ISO-5470 carry out the test of the wear hardness of vulcanization adhesive plaster rubber surface frictional layer.Test used in the present invention is set
Standby is the world Hai Da Instrument Ltd., model HD-P304.
3. the test of frictional layer rubber mechanical property
The rubber 200g being kneaded is taken, assay plate vulcanizer (Wuxi Zhong Kai rubber and plastics machine Co., Ltd, model are utilized
25T-MN), vulcanized rubber test piece is made.According to standard GB/T 528-92, the mechanical property of test surfaces rubber.In the present invention
The test equipment used is the world Hai Da Instrument Ltd., model HD-B604-S.
4. the test of frictional layer resilience of vulcanizate
The rubber 300g being kneaded is taken, assay plate vulcanizer (Wuxi Zhong Kai rubber and plastics machine Co., Ltd, model are utilized
25T-MN), vulcanized rubber test piece is made, according to standard GB/T1681-2009, tests the resilience of rubber.
5. the test of frictional layer rubber oil-resistant
The rubber 100g being kneaded is taken, assay plate vulcanizer (Wuxi Zhong Kai rubber and plastics machine Co., Ltd, model are utilized
25T-MN), vulcanized rubber test piece is made, according to standard GB/T1681-2009, tests the oil resistance of rubber.
Embodiment 2-3
According to the preparation raw material of table 1, rubber friction layer is made according to identical operate with 1 step 1) of embodiment-step 4),
Identical performance test is carried out, the performance test results are referring to table 2.
Comparative example 1
1) mixing of pure nitrile rubber
It is kneaded, is specifically comprised the following steps: according to 1 raw material proportioning of comparative example of table 1
Nitrile rubber is put into mixer, floating weight is depressed, pressure 0.8MPa mixing 1.5 minutes, keeps three abundant
Mixing.
Lift floating weight, reinforcing agent white carbon black (800 mesh of mesh number) depression bolt and silane coupling agent Si-69 pressure is added
Top bolt, mixing 3 minutes.
Lift floating weight, put into small powder packet, includes anti-antioxidant 2246, rubber antioxidant TMQ, protective agent stone in small powder packet
Wax, vulcanizing agent sulphur S-80, stearic acid.Depression bolt, mixing 1.5 minutes.
Lift floating weight, dioctyl ester be added, depression bolt continues mixing, until banburying chamber's thermometer show it is close at 125 DEG C
Refining is completed, dumping.
The sizing material that mixing is completed is transferred to open mill, roll spacing is adjusted to 0.5mm, thin logical primary.Roll spacing is adjusted to 4mm again,
Sizing material is hung to pendulum glue frame, starts to put glue, about 5 minutes, sizing material was cooled to 60 degrees centigrades at this time.Roll spacing is adjusted to 1mm, then
Vulcanization aid zinc oxide, vulcanizing agent DM and vulcanizing agent CZ is added.It is thin 2 times logical, make a call to 2 complete triangle bags.So far blend compounds are kneaded
It completes.Sizing material is folded it is bundled, place at least 8 hours after use.
2) calendering of rubber friction layer:
By place 8 hours blend compounds rubber compound by calender (Wuxi remarkable ability rubber machinery plant model XY-3F) it is upper,
Lower articulamentum nylon lining cloth (first passes through surface treatment in advance and is coated with one layer of enhancing frictional layer rubber and lining cloth bonding on nylon lining cloth
The bottom pulp layer of power) on calendering a layer thickness be 1.25mm rubber, obtain vulcanization adhesive plaster.Winding is stand-by.
3) roll the vulcanization of adhesive plaster
1. frictional layer adhesive plaster is compound with embossing cloth
Rubberized fabric roll (rubber faces upward) obtained and embossing cloth (model T5050, Wu will be rolled in drum vulcanizer front end
Jiang Feng gets over industrial cloth) parallel fitting stacks, is sent into drum vulcanizer (DLG700, Dalian Hua Han rubber and plastics machine Co., Ltd)
Carry out it is compound, combined temp control at 150 DEG C, pressure 8MPa, main drum motor frequency 30HZ obtain compound adhesive tape.In drum-type sulphur
The winding of change machine rear end is stand-by；
2. the vulcanization of compound adhesive tape
Compound adhesive tape is sent into vulcanizing press (XLB-Q, Lian Huahan rubber and plastics machine Co., Ltd), divides mould by plate mould length
Vulcanization, curing temperature are 152 DEG C, sulfide stress 15MPa, and vulcanization time is 23 minutes, after entire volume vulcanizes, peel off adhesive plaster rubber
The embossing cloth on glue surface obtains vulcanization adhesive plaster.The vulcanization adhesive plaster for intercepting certain size can be used to test experiments, measure table
Face coefficient of friction and wear hardness.
Table 1
Table 2
Claims (10)
1. a kind of high-wearing feature box gluing machine conveyer belt rubber friction layer, which is characterized in that passed through by the raw material for including following parts by weight
It is kneaded, rolls, vulcanization is made: 60~90 parts of butadiene rubber, 5~20 parts of natural rubber, 5~20 parts of nitrile rubber, reinforcing agent 40
~60 parts, 3~5.5 parts of protective agent, 8~12 parts of vulcanizing agent, 6~9 parts of vulcanization aid, 12~16 parts of rubber oil.
2. high-wearing feature box gluing machine conveyer belt rubber friction layer according to claim 1, which is characterized in that by including following
The raw material of parts by weight is made through mixing, calendering, vulcanization: 80 parts of butadiene rubber, 10 parts of natural rubber, and 10 parts of nitrile rubber, reinforcement
45 parts of agent, 5.5 parts of protective agent, 9 parts of vulcanizing agent, 7 parts of vulcanization aid, 16 parts of rubber oil.
3. high-wearing feature box gluing machine conveyer belt rubber friction layer according to claim 1 or 2, which is characterized in that the height
With butadiene rubber, natural rubber, nitrile rubber summation for 100 parts by weight in wearability box gluing machine conveyer belt rubber friction layer raw material
Meter, the butadiene rubber account for 60~90 parts by weight, and natural rubber accounts for 5~20 parts by weight, and nitrile rubber accounts for 5~20 parts by weight.
4. high-wearing feature box gluing machine conveyer belt rubber friction layer according to claim 1-3, which is characterized in that institute
State mass content >=97% of polyisoprene in the macromolecular chain of natural rubber, the mass content of aldehyde radical is 1~2%；It is described
Butadiene rubber is high-cis butadiene rubber, wherein cis- Isosorbide-5-Nitrae structural content is greater than 97%；Propylene is combined in the nitrile rubber
The mass content of nitrile is 40%.
5. high-wearing feature box gluing machine conveyer belt rubber friction layer according to claim 1 or 2, which is characterized in that described anti-
Shield agent includes rubber antioxidant and Wax-for preventing rubber, and the rubber antioxidant is antioxidant 2246, anti-aging agent TMQ, antioxidant 264
One of or it is a variety of, the Wax-for preventing rubber be one or both of Wax-for preventing rubber fsjs-9, Rhein wax 654.
6. high-wearing feature box gluing machine conveyer belt rubber friction layer according to claim 1 or 2, which is characterized in that the sulphur
Agent includes sulphur, vulcanizing agent DM and vulcanizing agent CZ, DM:CZ: weight ratio=4 of sulphur~6:2~3:2~3.
7. high-wearing feature box gluing machine conveyer belt rubber friction layer according to claim 1 or 2, which is characterized in that the sulphur
Changing auxiliary agent includes zinc oxide and stearic acid, zinc oxide: stearic weight ratio=4~7:1~3.
8. high-wearing feature box gluing machine conveyer belt rubber friction layer according to claim 1 or 2, which is characterized in that the rubber
Glue oil is made of silane coupling agent and dibutyl ester, weight ratio=4~6:8~10 of silane coupling agent and dibutyl ester.
9. high-wearing feature box gluing machine conveyer belt rubber friction layer described according to claim 1 or 2 or 8, which is characterized in that described
The mass ratio of silane coupling agent is 10:1 in reinforcing agent and the rubber oil.
10. such as the preparation method of the described in any item high-wearing feature box gluing machine conveyer belt rubber friction layers of claim 1-9, including
Following steps:
1) it plasticates
It plasticates respectively to butadiene rubber, natural rubber, nitrile rubber, butadiene rubber, natural rubber, the butyronitrile plasticated
Rubber；
2) it is kneaded
According to the weight by the butadiene rubber plasticated, natural rubber, nitrile rubber, reinforcing agent, silane coupling agent,
Protective agent, vulcanizing agent sulphur, vulcanization aid stearic acid, dioctyl ester are kneaded in mixer, and temperature is no more than 125 DEG C；
Mixture is transferred to open mill, Bao Tong is cooled to 60 DEG C or less；According still further to the weight by vulcanization aid oxygen
Change zinc, vulcanizing agent DM, vulcanizing agent CZ and the thin logical, mixing of open mill progress is added, obtains glue stuff compounding, place at least 8 hours；
3) roll
Glue stuff compounding after placing at least 8 hours is rolled to obtain calendering adhesive plaster by calender；
4) vulcanize
Will calendering adhesive plaster with embossing cloth is compound obtains compound adhesive tape, compound adhesive tape feeding vulcanizing press is vulcanized, it is whole
After volume vulcanization, the embossing cloth of adhesive plaster rubber surface is peelled off, obtains vulcanization adhesive plaster.
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| CN113667426A (en) * | 2021-08-02 | 2021-11-19 | 江阴市斯强传动科技有限公司 | Bidirectional-operation energy-saving tooth-joint box pasting machine belt with long service life and manufacturing method thereof |
| CN115304829A (en) * | 2022-08-08 | 2022-11-08 | 扬州东星橡胶股份有限公司 | High-friction conveyor belt material and preparation method thereof |
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