CN108948459A - A kind of island structure rubber roller and preparation method thereof - Google Patents
A kind of island structure rubber roller and preparation method thereof Download PDFInfo
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- CN108948459A CN108948459A CN201810828265.9A CN201810828265A CN108948459A CN 108948459 A CN108948459 A CN 108948459A CN 201810828265 A CN201810828265 A CN 201810828265A CN 108948459 A CN108948459 A CN 108948459A
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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
- C08L9/02—Copolymers with acrylonitrile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0032—Producing rolling bodies, e.g. rollers, wheels, pulleys or pinions
- B29D99/0035—Producing rolling bodies, e.g. rollers, wheels, pulleys or pinions rollers or cylinders having an axial length of several times the diameter, e.g. for embossing, pressing, or printing
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- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
The invention discloses a kind of island structure rubber rollers and preparation method thereof, belong to rubber roller technical field.A kind of island structure rubber roller, its rubber layer are made by parent rubber compound and individual particles glue through being kneaded；The elongation of parent rubber compound is 100%-220% higher than the elongation of individual particles glue, and the intensity of parent rubber compound is 4-8Mpa higher than the intensity of individual particles glue, Shao A hardness of parent rubber compound 8-14 degree lower than Shao's A hardness of the individual particles.Island structure rubber roller is made by mixing, vulcanization, crushing, sieving, secondary mixing, Wrapping formed, post-cure and Vehicle Processing in a kind of preparation method of island structure rubber roller.Island structure rubber roller made of the present invention can effectively improve the coefficient of friction and wearability of rubber roller, eliminate the influence of coefficient of friction and wearability to material property in use process, prevent skidding, material unbalance stress and not wear-resisting or even cracking phenomena generation.
Description
Technical field
The invention belongs to rubber roller technical fields, specifically, being related to a kind of island structure rubber roller and preparation method thereof.
Background technique
Rubber roller is a kind of using metal or other materials as roller core, the roll product of overcoating rubber layer.Rubber roller is widely applied
In industries such as metallurgy, non-ferrous metals processing, chemical fibre, papermaking.With manufacturing fast development, there are various lifes in steel industry
Producing line and the rubber roller for supervening various stations, such as mainly for delivery of the pinch roller of steel plate, user to its coefficient of friction and
Wearability is more demanding, preventing it from skidding during transportation, and prolongs the service life.
Currently, in actual operation, coefficient of friction is improved often through following methods: reduce material hardness and intensity,
Increase material surface tension or improve material roughness in Vehicle Processing, but rubber roller made from these methods is in use
The problems such as effect is not obvious or even skids, and also material stress can be caused irregular, not wear-resisting.
Publication No. 204503784U, publication date are that the Chinese utility model patent on July 29th, 2015 discloses one kind
Granulated rubber roller, this kind of rubber roller are made of roll body and rubber layer, and rubber layer is made of base rubber and four part of several rubber grains.It should
Patent is only simply to describe granulated rubber roller and purposes, situations such as to the raw material of granulated rubber roller, structure and manufacturing process simultaneously
It does not refer to, and these situations often play a decisive role to rubber roller in service performance, that is, coefficient of friction and wearability.Its technology lacks
Fall into be mainly manifested in three aspect: (1) this patent be only referred to rubber grain shore hardness it is 15 degree higher than the shore hardness of base rubber, two
Person's hardness differs 15 degree or differs by more than 15 degree, very big to material loss in dynamic use process, easily occur it is not wear-resisting, fall
Particle and glue-line cracking and other issues.The patent does not refer to how rubber grain is used in combination together with base rubber yet, and the prior art
In it is simple and with it is easy to appear fall grain, material stress is concentrated and the problems such as damage.(2) patent only considers hardness factor
Structure is improved, such design will appear many quality problems, as occurred particle, cracking in rubber roller production process,
Stress is irregular in use process causes steel plate deformed etc..(3) it is uniformly distributed, borrows in base rubber although mentioning rubber grain
Which kind of method to reach equally distributed effect with not refer to, this cannot guarantee rubber roller, and frictional force is uniform in use.
Publication No. CN1131272, publication date are that the Chinese invention patent on December 17th, 2003 discloses a kind of polyamides
Imines enhances butyronitrile composite material, which solves because the steel to steel friction between irony carrying roller and wirerope leads to wirerope
The big problem of degree of injury.The patent improves the service life of wirerope primarily to solve the problems, such as that coefficient of friction is big, because
This, although the composite material using a variety of plasticizer, carbon black, stearic acid, sulphur and promotor, is mainly used for improving butyronitrile
Glue intensity and hardness reduce coefficient of friction.
Publication No. CN102140188B, publication date are the Chinese invention patent on April 10th, 2013, disclose a kind of mine
The friction lining and preparation method thereof of well elevator, this patent describes mine hoist friction lining and material and research is opened
The friction lining that coefficient of friction is greater than 0.28 is had issued, uses a large amount of white reinforcement and filler material in material: phenolic resin,
Clay, active silica fume and Nano carbon white, these white reinforcement and filler materials are not applied directly to fourth by modification
In nitrile glue, compatibility is poor, be easy to cause dispersion uneven, and performance inconsistency is big, elongation difference and wears no resistance, only opposite to mention
High coefficient of friction.In addition, being suitable only for molded article using the method for a large amount of white reinforcement and filler material, material is Wrapping formed
Difference, thus and be not suitable for Wrapping formed production various specifications rubber roller.
Summary of the invention
1, it to solve the problems, such as
For the raising that coefficient of friction and wearability of the user to rubber roller require, and existing rubber roller improves in use
Coefficient of friction effect is not obvious and skids, the not uniform not wear-resisting problem of material stress, and the present invention provides a kind of islands
Structure rubber roller and preparation method thereof.
2, technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of island structure rubber roller, the rubber layer of the island structure rubber roller is by parent rubber compound and individual particles glue through mixed
It refines；The elongation of the parent rubber compound is 100%-220% higher than the elongation of the individual particles glue, and the parent is mixed
The intensity of refining glue is 4-8Mpa higher than the intensity of the individual particles glue, and Shao A hardness of the parent rubber compound is than the individual
The low 8-14 degree of Shao's A hardness of grain.
As prioritization scheme, the weight ratio of the parent rubber compound and the individual particles glue is (3-4): 1.
As prioritization scheme, the parent rubber compound includes the component raw material of following weight ratio:
As prioritization scheme, the individual particles glue includes the component raw material of following weight ratio:
As prioritization scheme, the parent rubber compound and individual particles glue use butyronitrile raw rubber of the same race, plasticizer, prevent always
Agent, promotor and crosslinking agent.
As prioritization scheme, the butyronitrile raw rubber is acrylonitrile butyronitrile raw rubber, the plasticizer NEO-T；It is described anti-old
Agent is the mixture of MB and ZMMBI, and the promotor is DM, and the crosslinking agent is the mixing of cumyl peroxide and sulphur
Object.
As prioritization scheme, in the anti-aging agent, the ratio of MB and ZMMBI are (1-2): 1；In the crosslinking agent, peroxide
The ratio for changing diisopropylbenzene (DIPB) and sulphur is (2-3): 1.
A kind of preparation method of island structure rubber roller, it is characterised in that: specific preparation process is as follows:
(1) it is kneaded: weighing the component raw material of parent rubber compound and individual particles glue respectively, be respectively kneaded, mother is made respectively
Body rubber compound and individual rubber compound, are parked；
(2) vulcanize: vulcanizing treatment being carried out to the individual rubber compound, obtains individual sulfide film；
(3) it crushes: the individual sulfide film being cut into the strip that width is 30-40mm, is sent into pulverizer and crushes,
Pimpled rubber is obtained, it is spare；
(4) be sieved: the pimpled rubber obtains individual particles glue after weeding out the particle too large or too small except partial size twice,
It is spare；
(5) secondary mixing: by the parent rubber compound heat refining and packet roller；By the individual particles glue in batches from open mill
One side of roller be homogeneously added into the other side, be fully immersed into the parent rubber compound to the individual particles glue, operate on, beat
Volume, Bao Tonghou, obtain the rubber layer of island structure；
(6) Wrapping formed: to wrap patch rubber layer on having applied the roller core for brush adhesive using automatic wrapping machine, obtain wait vulcanize
Rubber roller；
(7) post-cure: rubber roller to be vulcanized is put into pan vulcanization, obtains the rubber roller through vulcanizing treatment；
(8) Vehicle Processing: when the temperature of the rubber roller through vulcanizing treatment is less than 40 DEG C, Vehicle Processing is simultaneously polished, and sea is made
Island structure rubber roller.
As prioritization scheme, in the step (2), the concrete operations of vulcanizing treatment are carried out to the individual rubber compound are as follows:
Heat refining slice is carried out to individual rubber compound, obtains individual mixed sheet, the individual mixed sheet with a thickness of 3-5mm, width
For 500-600mm, length 700-800mm；The individual mixed sheet is placed in vulcanizing tank and is vulcanized, individual vulcanization is obtained
Film.
As prioritization scheme, in the step (4), the outer individual particles glue 120# gasoline of obtained sieve or ethyl acetate are clear
Wash, dry it is rear spare.
3, beneficial effect
Compared with the prior art, the invention has the benefit that
(1) difference of the elongation of the invention by parent rubber compound and individual particles glue, intensity and hardness limits
Fixed, manufactured island structure rubber roller can generate different elasticity modulus, and then improve the coefficient of friction and wearability of rubber roller,
Eliminate use process in the influence of coefficient of friction and wearability to material property, prevent skid, material unbalance stress and intolerant to
The generation of mill or even cracking phenomena.
(2) rubber layer uses the weight ratio of parent rubber compound and individual particles glue as 3:1 to 4:1 and with mixing, and can both mention
High island structure rubber roller coefficient of friction in use and wearability, and elongation required for rubber roller normal use can be kept
Rate, intensity and hardness.
(3) in the strand of butyronitrile raw rubber contain active function groups cyano, this make the flexibility of nitrile rubber molecule compared with
Difference；Parent rubber compound uses and a certain amount of high wear-resistant carbon black, Universal carbon black, liquid butyronitrile and plasticising is added in butyronitrile raw rubber
Elongation, intensity and hardness can be improved simultaneously 1 times or more by agent, and to improve itself wearability, and it is excellent to have parent glue
Elasticity modulus and coefficient of friction.
White carbon black and resin are not easy to be uniformly dispersed in butyronitrile raw rubber, this will cause individual particles glue elongation and intensity
Decline, hardness fluctuations are also big, thus cause the coefficient of friction of individual particles glue and wearability uneven, and plasticizer is added in the present invention
And silane coupling agent, finely dispersed, the intensity and hardness of raising individual particles glue can be played the role of to white carbon black and resin,
The elongation for reducing individual particles glue, makes individual particles glue have the coefficient of friction higher than parent and the springform higher than parent
Amount, and improve itself wearability.
The component raw material of parent rubber compound and individual particles glue of the invention is screened by test of many times, these
Component raw material can improve elongation, intensity and the hardness of parent rubber compound and individual particles glue itself simultaneously, and then improve two
The wearability of kind glue itself.In addition, the otherness of component raw material makes the elongation between two kinds of glue inside island structure rubber roller
The otherness of rate, intensity and hardness is maintained within zone of reasonableness, and it is different that this generates parent rubber compound and individual particles glue
Elasticity modulus, the coefficient of friction of structure improves.
In addition, different component raw materials also makes parent rubber compound and individual particles glue show different colors.This hair
Bright island structure rubber roller obtained, the color of parent rubber compound are black, and the color of individual particles glue is white, are convenient for mesh in this way
The uniformity that final individual particles glue is distributed in precursor components is surveyed, to guarantee that island structure rubber roller rubs in use
Power is uniform and wearability is uniform.
(4) in island structure rubber roller preparation process, parent rubber compound and individual particles glue using same butyronitrile raw rubber,
Plasticizer, anti-aging agent, promotor and crosslinking agent, the meaning done so are, solve between parent rubber compound and individual particles glue
The problem of Cohesion reliability difference makes the two preferably be bonded to one, and prevents grain and tearing.
Island structure rubber roller rubber layer parent rubber compound can not only be improved using same anti-aging agent and individual particles glue is resistance to
Ageing properties, white individual particles glue is not also easy to change.The mixing of plasticizer NEO-T, antioxidant MB and ZMMBI are added simultaneously
Island structure rubber roller made from object also has oil resistant, alkaline-resisting excellent performance.
MB and ZMMBI in anti-aging agent, in crosslinking agent cumyl peroxide and sulphur keep respectively respective certain proportion into
The meaning of row addition is that it is possible to preferably increase the heat-resistant aging and intensity of rubber roller.
(5) present invention passes through mixing, vulcanization, crushing, sieving, secondary mixing, Wrapping formed, post-cure and Vehicle Processing system
Obtain island structure rubber roller.By controlling thin logical roll spacing, next evenly dispersed by open mill shearing force, this is to individual particles vulcanizate
There is no any damage, can guarantee that the entire working face coefficient of friction of island structure rubber roller is uniform, and then guarantees the use longevity of rubber roller
Life.Island structure rubber roller produced by the present invention, structure is uniform, and Wrapping formed property is good, can be wound on automatic winding Wrapping and sticking machine
Type.
Two kinds of materials of parent rubber compound and individual particles glue are first made in the preparation method respectively, then are kneaded into the island of macroscopic view
Structure rubber roller not only can be improved island structure rubber roller coefficient of friction in use and wearability, but also rubber roller can be kept normal
The stability of performance (i.e. elongation, intensity and hardness) in use process, to meet client's requirement.
(6) individual rubber compound solves individual particles glue size not according to vulcanizing again after limiting size heat refining slice
One problem solves individual particles glue and is not easy in parent rubber compound point so that individual material is easier to be prepared into single-size
Uniform problem is dissipated, so that island structure rubber roller coefficient of friction obtained is uniform, wearability is uniform, is not susceptible to grain or opens
The phenomenon that splitting.
(7) using 120# gasoline or ethyl acetate cleaning individual particles glue and the meaning dried is, this process can be with
The pollutant on individual particles glue is cleaned, the activity of sieving particle gel surface molecular is improved, convenient for dispersion, to be conducive to point
Son forms cross-bond, to improve the intensity and wearability of product.
Specific embodiment
The present invention is further described below combined with specific embodiments below.
Embodiment 1
The rubber layer of a kind of island structure rubber roller, island structure rubber roller is made by parent rubber compound and individual particles glue through being kneaded
?.Parent rubber compound is made using nitrile rubber as raw material, by being kneaded in parent rubber compound and individual particles glue, passes through mixing, sulphur
Change, crush and be sieved and individual particles glue is made.By parent rubber compound heat refining and packet roller；Individual particles glue is added in batches, to
Individual particles glue is fully immersed into parent rubber compound, and the rubber layer of island structure rubber roller is made.
The present embodiment in process, guarantees that the elongation of parent rubber compound is higher than the elongation of the individual particles glue
220%, Shao A hardness of parent rubber compound is 14 degree lower than Shao's A hardness of individual particles, and the intensity of parent rubber compound compares individual particles
The high 8Mpa of the intensity of glue, the frictional property service performance of manufactured island structure rubber roller is excellent, is not easy to skid, also not easy to crack.
Butyronitrile raw rubber in raw material belongs to nitrile rubber class, and other class rubber also can be selected, as butadiene-styrene rubber, chlorosulfonation are poly-
Ethylene rubber, natural rubber or EP rubbers etc..
Embodiment 2
Parent rubber compound component raw material table in 1 embodiment 2-4 of table
| Parent rubber compound component raw material | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Butyronitrile raw rubber | 33.75kg | 37.50kg | 41.25kg | 37.50kg |
| High wear-resistant carbon black | 22.50kg | 18.75kg | 20.18kg | 18.83kg |
| Universal carbon black | 13.73kg | 7.50kg | 7.5kg | 11.25kg |
| Liquid butyronitrile | 1.88kg | 3.38kg | 1.88kg | 2.25kg |
| Plasticizer | 0.75kg | 2.25kg | 0.75kg | 1.5kg |
| Anti-aging agent | 0.68kg | 1.35kg | 0.90kg | 0.75kg |
| Promotor | 0.15kg | 0.38kg | 0.23kg | 0.30kg |
| Crosslinking agent | 0.75kg | 2.25kg | 1.13kg | 1.50kg |
| Stearic acid | 0.23kg | 0.45kg | 0.30kg | 0.38kg |
| Zinc oxide | 0.60kg | 1.20kg | 0.90kg | 0.75kg |
Individual particles glue component raw material table in 2 embodiment 2-4 of table
| Individual particles glue component raw material | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Butyronitrile raw rubber | 33.75kg | 36.00kg | 41.25kg | 30.68kg |
| White carbon black | 32.25kg | 24.75kg | 26.18kg | 30.00kg |
| Resin | 1.50kg | 3.00kg | 1.50kg | 2.25kg |
| Silane coupling agent | 0.68kg | 1.13kg | 0.68kg | 0.83kg |
| Plasticizer | 4.43kg | 4.50kg | 3.00kg | 7.50kg |
| Anti-aging agent | 0.68kg | 1.35kg | 0.68kg | 0.90kg |
| Promotor | 0.15kg | 0.38kg | 0.15kg | 0.23kg |
| Crosslinking agent | 0.75kg | 2.25kg | 0.75kg | 1.5kg |
| Stearic acid | 0.23kg | 0.45kg | 0.23kg | 0.38kg |
| Zinc oxide | 0.60kg | 1.20kg | 0.60kg | 0.75kg |
Butyronitrile raw rubber is 3345C butyronitrile raw rubber, and high wear-resistant carbon black is N330 high wear-resistant carbon black, and Universal carbon black is that N660 is general
Carbon black, plasticizer are NEO-T plasticizer, and liquid butyronitrile is low molecular weight liquid nitrile rubber, and zinc oxide is the oxygen that indirect method obtains
Change zinc, white carbon black is superfine white carbon black, and stearic purity is greater than 90%, and promotor is altax, anti-aging agent be MB with
The mixture of ZMMBI, crosslinking agent are the mixture of cumyl peroxide and sulphur, and resin is PMA-201 type thickening enhancing tree
Rouge.
The rubber layer of a kind of island structure rubber roller, island structure rubber roller is made by parent rubber compound and individual particles glue through being kneaded
, see Table 1 for details and table 2 for the composition weight of parent rubber compound and individual particles glue.In anti-aging agent, the ratio of MB and ZMMBI are 1:
1；In crosslinking agent, the ratio of cumyl peroxide and sulphur is 2:1.
5 island structure rubber rollers that specification is Φ 250 × 2100 are produced according to these weight ratios, performance is as shown in table 3:
These performances detect as follows:
(1) elongation: GB/T528-2009；
(2) intensity: GB/T528-2009；
(3) hardness: GB/T531.1-2008.
3 embodiment of table, 2 performance characterization
As shown in Table 3, the elongation of parent rubber compound is higher than the elongation of individual particles glue by 120%, parent rubber compound
Intensity is 4MPa higher than the intensity of individual particles glue, and Shao A hardness of parent rubber compound is lower by 8 than Shao's A hardness of individual particles；Individual
Grain glue can be evenly dispersed in parent rubber compound.Rubber roller made from the present embodiment is tested under client's working condition, is tested
Frictional force and wearability can meet client's requirement in journey, be not easy to skid, and power is steady during rubber roller conveying steel belt,
It solves the problems, such as the increase of rubber roller frictional force and wearability, improves product quality.
Embodiment 3
The rubber layer of a kind of island structure rubber roller, island structure rubber roller is made by parent rubber compound and individual particles glue through being kneaded
, see Table 1 for details and table 2 for the composition weight of parent rubber compound and individual particles glue.In anti-aging agent, the ratio of MB and ZMMBI are 2:
1；In crosslinking agent, the ratio of cumyl peroxide and sulphur is 3:1.
The preparation method of the island structure rubber roller of embodiment 3, specific preparation process are as follows:
(1) it is kneaded: weighing the component raw material of parent rubber compound and the component raw material of individual particles glue respectively, be kneaded, respectively
Parent rubber compound and individual rubber compound is made, parks；
(2) vulcanize: vulcanizing treatment being carried out to the individual rubber compound, obtains individual sulfide film；
(3) it crushes: the individual sulfide film being cut into the strip that width is 30mm, is sent into the crushing that strainer is 6 mesh
It is crushed in machine, obtains pimpled rubber；The pimpled rubber is put into spare in private bag；
(4) be sieved: the pimpled rubber first crosses the pimpled rubber outside 8 meshes removal sieve, stays sieve endoparticle glue, removes after 6 meshes
Go sieve in pimpled rubber, stay sieve outside pimpled rubber, obtain individual particles glue be put into it is spare in private bag；
(5) parent rubber compound and individual particles glue secondary mixing: are weighed according to weight ratio 3:1.The roll spacing of open mill is adjusted to
6mm, by the parent rubber compound heat refining and packet roller；By the individual particles glue in batches from one side of the roller of open mill to another
Side is homogeneously added into, and is fully immersed into the parent rubber compound to the individual particles glue, is operated on, clot, and roll spacing is adjusted to 3mm,
Thin logical 2 times uniformly mixed, obtains rubber layer；
(6) Wrapping formed: to wrap patch rubber layer on having applied the roller core for brush adhesive using automatic wrapping machine, obtain wait vulcanize
Rubber roller；
(7) post-cure: rubber roller to be vulcanized is put into pan vulcanization, obtains the rubber roller through vulcanizing treatment；
(8) Vehicle Processing: when the temperature of the rubber roller through vulcanizing treatment is less than 40 DEG C, Vehicle Processing is simultaneously polished, and sea is made
Island structure rubber roller.
5 rubber rollers that specification is Φ 580 × 1500, performance such as table are produced according to the formula and preparation method of the present embodiment
Shown in 4:
4 embodiment of table, 3 performance characterization
As shown in Table 4, the elongation of parent rubber compound is higher than the elongation of individual particles glue by 110%, parent rubber compound
Intensity is 4MPa higher than the intensity of individual particles glue, and Shao A hardness of parent rubber compound is lower by 8 than Shao's A hardness of individual particles；Individual
Grain glue can be evenly dispersed in parent rubber compound.
Embodiment 4
The rubber layer of a kind of island structure rubber roller, island structure rubber roller is made by parent rubber compound and individual particles glue through being kneaded
, see Table 1 for details and table 2 for the composition weight of parent rubber compound and individual particles glue.In anti-aging agent, the ratio of MB and ZMMBI are
1.2:1；In crosslinking agent, the ratio of cumyl peroxide and sulphur is 2.5:1.
The preparation method of the island structure rubber roller of embodiment 4, specific preparation process are as follows:
(1) it is kneaded: weighing the component raw material of parent rubber compound and the component raw material of individual particles glue respectively, be kneaded, respectively
Parent rubber compound and individual rubber compound is made, parks；
(2) vulcanize: heat refining slice being carried out to individual rubber compound, obtains individual mixed sheet, the thickness of individual mixed sheet
For 3mm, width 500mm, length 700mm；Individual mixed sheet is placed in clean stainless steel pallet, is subsequently placed in
Vulcanized in vulcanizing tank, obtains individual sulfide film；
(3) it crushes: the individual sulfide film being cut into the strip that width is 40mm, is sent into the crushing that strainer is 6 mesh
It is crushed in machine, obtains pimpled rubber；The pimpled rubber is put into spare in private bag；
(4) be sieved: the pimpled rubber first crosses the pimpled rubber outside 8 meshes removal sieve, stays sieve endoparticle glue, removes after 6 meshes
Go sieve in pimpled rubber, stay sieve outside pimpled rubber, obtain individual particles glue be put into it is spare in private bag；
(5) parent rubber compound and individual particles glue secondary mixing: are weighed according to weight ratio 4:1.The roll spacing of open mill is adjusted to
7mm, by the parent rubber compound heat refining and packet roller；By the individual particles glue in batches from one side of the roller of open mill to another
Side is homogeneously added into, and is fully immersed into the parent rubber compound to the individual particles glue, is operated on, clot, and roll spacing is adjusted to 4mm,
Thin logical 3 times uniformly mixed, obtains rubber layer；
(6) Wrapping formed: to wrap patch rubber layer on having applied the roller core for brush adhesive using automatic wrapping machine, obtain wait vulcanize
Rubber roller；
(7) post-cure: rubber roller to be vulcanized is put into pan vulcanization, obtains the rubber roller through vulcanizing treatment；
(8) Vehicle Processing: when the temperature of the rubber roller through vulcanizing treatment is less than 40 DEG C, Vehicle Processing is simultaneously polished, and sea is made
Island structure rubber roller.
5 rubber rollers that specification is Φ 1000 × 1600 are produced according to the formula and preparation method of the present embodiment, performance is such as
Shown in table 4:
5 embodiment of table, 4 performance characterization
As shown in Table 5, the elongation of parent rubber compound is higher than the elongation of individual particles glue by 160%, parent rubber compound
Intensity is 5MPa higher than the intensity of individual particles glue, and Shao A hardness of parent rubber compound is lower by 10 than Shao's A hardness of individual particles；Individual
Pimpled rubber can be evenly dispersed in parent rubber compound.The rubber roller for adopting the present embodiment production, is surveyed under client's working condition
Examination, the steady no abnormality seen of rubber roller conveying steel belt power have used more than client's primitive period requirement, and product design new approaches solve
Customer requirement rubber roller frictional force and wearability problem.
Embodiment 5
The rubber layer of a kind of island structure rubber roller, island structure rubber roller is made by parent rubber compound and individual particles glue through being kneaded
, see Table 1 for details and table 2 for the composition weight of parent rubber compound and individual particles glue.In anti-aging agent, the ratio of MB and ZMMBI are
1.5:1；In crosslinking agent, the ratio of cumyl peroxide and sulphur is 2.1:1.
The preparation method of the island structure rubber roller of embodiment 5, specific preparation process are as follows:
(1) it is kneaded: weighing the component raw material of parent rubber compound and the component raw material of individual particles glue respectively, be kneaded, respectively
Parent rubber compound and individual rubber compound is made, parks；
(2) vulcanize: heat refining slice being carried out to individual rubber compound, obtains individual mixed sheet, the thickness of individual mixed sheet
For 5mm, width 600mm, length 800mm；Individual mixed sheet is placed in clean stainless steel pallet, is subsequently placed in
Vulcanized in vulcanizing tank, obtains individual sulfide film；
(3) it crushes: the individual sulfide film being cut into the strip that width is 40mm, is sent into the crushing that strainer is 6 mesh
It is crushed in machine, obtains pimpled rubber；The pimpled rubber is put into spare in private bag；
(4) be sieved: the pimpled rubber first crosses the pimpled rubber outside 8 meshes removal sieve, stays sieve endoparticle glue, removes after 6 meshes
The pimpled rubber in sieve is gone, the pimpled rubber outside sieve is stayed, obtains individual particles glue, individual particles glue is placed on to clean stainless steel pallet
It is interior, after being cleaned, dried with 120# gasoline or ethyl acetate, place into spare in private bag；
(5) parent rubber compound and individual particles glue secondary mixing: are weighed according to weight ratio 4:1.The roll spacing of open mill is adjusted to
7mm, by the parent rubber compound heat refining and packet roller；By the individual particles glue in batches from one side of the roller of open mill to another
Side is homogeneously added into, and is fully immersed into the parent rubber compound to the individual particles glue, is operated on, clot, and roll spacing is adjusted to 4mm,
Thin logical 3 times uniformly mixed, obtains rubber layer；
(6) Wrapping formed: to wrap patch rubber layer on having applied the roller core for brush adhesive using automatic wrapping machine, obtain wait vulcanize
Rubber roller；
(7) post-cure: rubber roller to be vulcanized is put into pan vulcanization, obtains the rubber roller through vulcanizing treatment；
(8) Vehicle Processing: when the temperature of the rubber roller through vulcanizing treatment is less than 40 DEG C, Vehicle Processing is simultaneously polished, and sea is made
Island structure rubber roller.
5 rubber rollers that specification is Φ 1000 × 1600 are produced according to the formula and preparation method of the present embodiment, performance is such as
Shown in table 5:
6 embodiment of table, 5 performance characterization
As shown in Table 6, the elongation of parent rubber compound is higher than the elongation of individual particles glue by 140%, parent rubber compound
Intensity is 6MPa higher than the intensity of individual particles glue, and Shao A hardness of parent rubber compound is lower by 10 than Shao's A hardness of individual particles；Individual
Pimpled rubber can be evenly dispersed in parent rubber compound.The rubber roller for adopting the present embodiment production, by implementing to be modified to material property,
The features such as making it have that coefficient of friction is big, frictional force is big and is wear-resisting, can satisfy client to the requirement of rubber roller.
Claims (10)
1. a kind of island structure rubber roller, it is characterised in that: the rubber layer of the island structure rubber roller is by parent rubber compound and individual
Pimpled rubber is made through being kneaded；The elongation of the parent rubber compound is 100%-220% higher than the elongation of the individual particles glue,
The intensity of the parent rubber compound is 4-8Mpa higher than the intensity of the individual particles glue, Shao A hardness ratio of the parent rubber compound
The low 8-14 degree of Shao's A hardness of the individual particles.
2. a kind of island structure rubber roller according to claim 1, it is characterised in that: the parent rubber compound and the individual
The weight ratio of pimpled rubber is (3-4): 1.
3. a kind of island structure rubber roller according to claim 1, it is characterised in that: the parent rubber compound includes following weight
Measure the component raw material of ratio:
4. a kind of island structure rubber roller according to claim 3, it is characterised in that: the individual particles glue includes following weight
Measure the component raw material of ratio:
5. a kind of island structure rubber roller according to claim 4, it is characterised in that: the parent rubber compound and individual particles
Glue uses butyronitrile raw rubber, plasticizer, anti-aging agent, promotor and crosslinking agent of the same race.
6. according to a kind of island structure rubber roller described in claim 3-5 items, it is characterised in that: the butyronitrile raw rubber is propylene
Nitrile butyronitrile raw rubber, the plasticizer NEO-T；The anti-aging agent is the mixture of MB and ZMMBI, and the promotor is DM, institute
State the mixture that crosslinking agent is cumyl peroxide and sulphur.
7. a kind of island structure rubber roller according to claim 6, it is characterised in that: in the anti-aging agent, MB and ZMMBI's
Ratio is (1-2): 1；In the crosslinking agent, the ratio of cumyl peroxide and sulphur is (2-3): 1.
8. a kind of preparation method of island structure rubber roller described in claim 4,5 or 7, it is characterised in that: specific preparation process
It is as follows:
(1) it is kneaded: weighing the component raw material of parent rubber compound and individual particles glue respectively, be respectively kneaded, it is mixed that parent is made respectively
Refining glue and individual rubber compound, are parked；
(2) vulcanize: vulcanizing treatment being carried out to the individual rubber compound, obtains individual sulfide film；
(3) it crushes: the individual sulfide film being cut into the strip that width is 30-40mm, is sent into pulverizer and crushes, obtain
Grain glue, it is spare；
(4) be sieved: the pimpled rubber obtains individual particles glue after weeding out the particle too large or too small except partial size twice, spare；
(5) secondary mixing: by the parent rubber compound heat refining and packet roller；By the individual particles glue in batches from the roller of open mill
One side of cylinder is homogeneously added into the other side, is fully immersed into the parent rubber compound to the individual particles glue, operates on, is clot, thin
After logical, the rubber layer of island structure is obtained；
(6) Wrapping formed: to wrap patch rubber layer on having applied the roller core for brush adhesive using automatic wrapping machine, obtain to vulcanizate
Roller；
(7) post-cure: rubber roller to be vulcanized is put into pan vulcanization, obtains the rubber roller through vulcanizing treatment；
(8) Vehicle Processing: when the temperature of the rubber roller through vulcanizing treatment is less than 40 DEG C, Vehicle Processing is simultaneously polished, and island knot is made
Structure rubber roller.
9. the preparation method of island structure rubber roller according to claim 8, it is characterised in that: in the step (2), to institute
State the concrete operations that individual rubber compound carries out vulcanizing treatment are as follows: heat refining slice is carried out to individual rubber compound, obtains individual rubber compound
Piece, it is described individual mixed sheet with a thickness of 3-5mm, width 500-600mm, length 700-800mm；The individual is mixed
Refining glue piece, which is placed in vulcanizing tank, to be vulcanized, and individual sulfide film is obtained.
10. the preparation method of island structure rubber roller according to claim 8, it is characterised in that: in the step (4), obtain
To the outer individual particles glue of sieve cleaned with 120# gasoline or ethyl acetate, dry it is rear spare.
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| CN201810828265.9A CN108948459B (en) | 2018-07-25 | 2018-07-25 | Rubber roller with sea-island structure and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721266A (en) * | 2020-12-17 | 2021-04-30 | 泰兴市志源机械配件有限公司 | Manufacturing method of environment-friendly rubber roller |
| CN113896957A (en) * | 2021-10-29 | 2022-01-07 | 华南理工大学 | High-barrier non-filled rubber composition and preparation method thereof |
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| CN1587307A (en) * | 2004-07-30 | 2005-03-02 | 黄顺道 | Recipe for anti-static rubber roll needing no treatment and processing process |
| CN202251424U (en) * | 2011-09-30 | 2012-05-30 | 南京金三力橡塑有限公司 | Polyurethane compound rubber roller |
| CN103435878A (en) * | 2013-08-26 | 2013-12-11 | 南京金三力橡塑有限公司 | High-hardness high-temperature-resistant rubber roller for aluminum foil/aluminum sheet production line and manufacturing method thereof |
| CN107057131A (en) * | 2017-05-09 | 2017-08-18 | 河北春风银星胶辊股份有限公司 | A kind of high industrial rubber roll of low-hardness rubber inter-embedding type and its production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587307A (en) * | 2004-07-30 | 2005-03-02 | 黄顺道 | Recipe for anti-static rubber roll needing no treatment and processing process |
| CN202251424U (en) * | 2011-09-30 | 2012-05-30 | 南京金三力橡塑有限公司 | Polyurethane compound rubber roller |
| CN103435878A (en) * | 2013-08-26 | 2013-12-11 | 南京金三力橡塑有限公司 | High-hardness high-temperature-resistant rubber roller for aluminum foil/aluminum sheet production line and manufacturing method thereof |
| CN107057131A (en) * | 2017-05-09 | 2017-08-18 | 河北春风银星胶辊股份有限公司 | A kind of high industrial rubber roll of low-hardness rubber inter-embedding type and its production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112721266A (en) * | 2020-12-17 | 2021-04-30 | 泰兴市志源机械配件有限公司 | Manufacturing method of environment-friendly rubber roller |
| CN113896957A (en) * | 2021-10-29 | 2022-01-07 | 华南理工大学 | High-barrier non-filled rubber composition and preparation method thereof |
| CN113896957B (en) * | 2021-10-29 | 2022-05-31 | 华南理工大学 | High-barrier non-filled rubber composition and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN108948459B (en) | 2020-06-09 |
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Effective date of registration: 20220302 Address after: 210031 No. 6, Longtai Road, Jiangbei new area, Nanjing, Jiangsu Patentee after: Nanjing Jinsanli Roller Technology Co.,Ltd. Address before: No.6 Longtai Road, Nanjing high tech Development Zone, Nanjing, Jiangsu 210061 Patentee before: NANJING JINSANLI RUBBER & PLASTIC Co.,Ltd. |