CN102443201A - Rubber coating layer of conveyor roller, and preparation method thereof - Google Patents
Rubber coating layer of conveyor roller, and preparation method thereof Download PDFInfo
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- CN102443201A CN102443201A CN2011102697666A CN201110269766A CN102443201A CN 102443201 A CN102443201 A CN 102443201A CN 2011102697666 A CN2011102697666 A CN 2011102697666A CN 201110269766 A CN201110269766 A CN 201110269766A CN 102443201 A CN102443201 A CN 102443201A
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Abstract
The present invention discloses a rubber coating layer of a conveyor roller, and a preparation method thereof. The roller core of the conveyor roller is coated with a rubber coating layer. The rubber coating layer comprises the following components, wherein the components comprise, by weight, 100 parts of natural rubber, 4-5 parts of a sulfidizer, 0.5-1.8 parts of an accelerating agent, 7-15 parts of an activator, 20-70 parts of a reinforcing agent, 10-20 parts of a plasticizing and softening agent, 3-5 parts of an anti-aging agent, and 10-40 parts of a special compounding agent. The preparation method comprises: preparation of the rubber material, treatment of the roller core, forming and sulfurization. Compared to the prior art, the acid resistant and alkali resistant rubber coating layer of the present invention is prepared by the material of the new formula, and the original physical properties and the original mechanical properties can be maintained for a long time in the acid bath solution and the alkali bath solution, such that the conveyor roller can be used in the acid environment, the alkali environment and the chemical drug environment for a long time.
Description
Technical field
The present invention relates to the transfer roller technical field, relate in particular to rubber adhesive of a kind of converyor roller and preparation method thereof.
Background technology
Existing common cylinder rubber adhesive can not be at soda acid, works in the chemical such as salt Lip river liquid, when common cylinder rubber adhesive causes corrosion when contacting soda acid, salt Lip river liquid medicine; Cause the swelling of rubber; The phenomenons such as decomposition, stripping of rubber molecule fracture, depolymerization and Synergist S-421 95 take place, cause its physical strength, physicals to highlight decline, rubber layer is clamminess gradually, oxidation, hardening, embrittlement, breach etc.; Receive ozone to attack and produce be full of cracks, so that corrode the ability of losing the job fully.
Along with suitability for industrialized production constantly develops, require cylinder use range purposes more and more wider, the requirement of chemical-resistant resistance cylinder is also highlighted all the more, this blank has been filled up in this formula development success, and market potential is huge, and development prospect is very wide.
Find through retrieval; The Chinese patent name is called: endless belt conveyor rubber cylinder and preparation method thereof; Application number: 200710053813.7 applyings date: on January 8th, 2007; This patent discloses a kind of endless belt conveyor rubber cylinder, comprises drum shaft and cylinder steel pipe, and the outside surface that the interference suit is made up of an above scrap tire rubber circle on drum shaft is split into arcual wear-resisting impact plies.This invention also discloses the making method of this endless belt conveyor rubber cylinder.The wearproof roller, buffer roller, comb shape cylinder, taper aligning cylinder, friction aligning cylinder and the rubber aligning cylinder that utilize the scrap tire rubber circle to make.Guaranteeing under the prerequisite that the cylinder sealing property has suit scrap tire rubber circle on cylinder steel pipe or axle, the wearproof roller of manufacturing, buffer roller, comb shape cylinder, taper aligning cylinder, friction aligning cylinder and rubber aligning cylinder.
Also find in the retrieval; China's utility model patent: cut-fiber reinforcement rubber buffer roller; Application number: 200820015355.8 applyings date: on August 30th, 2008; This patent relates to a kind of cut-fiber reinforcement rubber buffer roller that is used for endless belt conveyor, and characteristic is that the surperficial integral die sulfuration at cylinder tube core has the cut-fiber reinforcement rubber layer, and cut-fiber reinforcement rubber layer and cylinder tube core are one-piece construction.Described cut-fiber reinforcement rubber layer is groove annular or the volution alternate with projection.
Though above technology can solve certain problem; Make cylinder bring improvement, in the soda acid pharmaceutical chemicals, do not relate to the problem of using in high temperature, the low temperature environment for a long time simultaneously again but these technology still solve cylinder at aspects such as protection against corrosion, rust protection, wear-resistant, shock-resistant, ageing-resistant, anti tear.
Summary of the invention
The objective of the invention is to solve above-mentioned deficiency of the prior art, rubber adhesive of a kind of converyor roller and preparation method thereof is provided.This rubber adhesive can keep physical and mechanical properties originally for a long time, thereby converyor roller can be used in soda acid and pharmaceutical chemicals environment for a long time through adopting the material prepn of new prescription under the effect of soda acid body lotion.
The objective of the invention is to realize through following technical scheme:
The rubber adhesive of a kind of converyor roller that the present invention relates to; The roller core of said converyor roller coats rubber adhesive outward, and said rubber adhesive comprises following component and weight part natural gum 100, vulcanizing agent 4～5, promotor 0.5～1.8, promoting agent 7～15, strengthening agent 20～70, plasticising tenderizer 10～20, anti-aging agent 3～5, special-purpose Synergist S-421 95 10～40.
Preferably, said vulcanizing agent is a Sulfur; Said promotor is dithio-bis-benzothiazole and N cyclohexyl 2 benzothiazole sulfenamide.
Preferably, said promoting agent is zinc oxide and Triple Pressed Stearic Acid.
Preferably, said strengthening agent is high wear-resistant carbon black, high one or both the mixture of stretching surely in semi-reinforcing furnace black, the general carbon black.
Preferably, said plasticising tenderizer is one or more the mixture in Vaseline, Stockholm tar, dibutylester, the solid coumarone.
Preferably, said anti-aging agent is two kinds or whole and Microcrystalline Wax or a paraffin in N-phenyl-a-naphthylamines, N-PBNA, the N-sec.-propyl-N '-diphenyl-para-phenylene diamine.
Preferably, said special-purpose Synergist S-421 95 is permanent white, potter's clay or ground barium sulfate.
The present invention also provides a kind of preparation method of rubber adhesive of above-mentioned converyor roller, may further comprise the steps:
The first step, sizing material preparation: get the raw materials ready by described each component and weight part; Carrying out natural gum again plasticates; Natural gum after will plasticating successively then, promoting agent, anti-aging agent and promotor, strengthening agent and special-purpose Synergist S-421 95, plasticising tenderizer input Banbury mixer carries out mixing, mixing even back binder removal, 120 ℃ of dump temperatures; Compressing tablet in mill is parked cooling, in mill, adds vulcanizing agent and slice again, and it is for use more than 8 hours to park cooling;
In second step, roller core is handled: the rust cleaning back of deburring is with gasoline or acetone greasy dirt; Dry back coating adhesive, brush coating slurry, for use behind the complete drying;
The 3rd step, moulding: the sizing material that the cooling that makes in the above-mentioned the first step is for use heat refining in mill, refining slice; In second step on the roller core handled well with mechanical process compression wrap gum forming;
In the 4th step, sulfuration: adopt open steam internal control press cure jar to step on peak formula vulcanization process the rubber vulcanization of encapsulate moulding on roller core in the 3rd step is handled, curing temperature and time are respectively: one section 115 ℃, and 60min～90min; Two sections 125 ℃, 60min～90min; Three sections 133 ℃, 90min～120min; Four sections 144 ℃, 60min～150min; Five sections 149～151 ℃, 60min～150min; Go out jar after following vexed jar of 60min.
Preferably, in the first step, said natural gum is plasticated to be specially and is carried out in mill in 16 o'clock that segmentation is thin logical plasticates, and bowl temperature is 45～50 ℃, parks after plasticating for every section and carries out the hypomere operation more than 8 hours again, and the plasticity number of plasticating is 0.38～0.45.
Preferably, in the 3rd step, said refining slice is the layering slice, and single-sheet thickness is 3～4.5mm.
Compared with prior art, the present invention has following beneficial effect:
1, adopted the most consummate calendering process of moulding in the sizing material course of processing of the present invention, the operating process of strict control and grasp mill and Banbury mixer is held and is moulded melting temperature and sizing material plasticity-and order of addition(of ingredients); Strict tackiness agent adhesion technique and the sizing material attaching process carried out; In sulfidation, adopt open steam internal control press cure jar equipment; The peak formula of stepping on of employing science to the pyritous vulcanization process, is accurately grasped curing time from low temperature; Do not wait suitable curing time to 330min to 600min with rubber layer thickness according to cylinder is large and small; Tight grasp and control sulfuration process " three elements " make the cylinder rubber adhesive of producing reach the optimum cure point, thereby the durable in use of acid and alkali-resistance cylinder are played an important role.
2, cylinder rubber adhesive of the present invention can keep original physical and mechanical properties in long-time soda acid and under the fever and chills solarization; And can normally use; Solved the out of use defective of common cylinder effectively; The metallurgy, mine, harbour etc. of having filled up China use on the transfer roller with the blank of acid and alkali-resistance cylinder, satisfied customer requirements simultaneously, so manufacturing of the present invention have highly application value.
Description of drawings
Fig. 1 is the acid and alkali-resistance rubber adhesive preparation flow figure among the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is done further to explain, but following content is not used in qualification protection scope of the present invention.
Experimental example 1～6
Experimental example 1～6th is the rubber adhesive sizing material of main body with the natural gum, comprises natural gum, vulcanizing agent, and promotor, promoting agent, strengthening agent, the plasticising tenderizer, anti-aging agent and special-purpose Synergist S-421 95, experimental example 1～6 each concrete component and consumption are as shown in table 1:
The component of table 1 embodiment 1～6 and consumption (kg)
As shown in Figure 1, adopt the said cylinder rubber adhesive of above-mentioned rubber adhesive material prepn to comprise the steps:
A, be that material of main part is when preparing cylinder acid and alkali-resistance rubber adhesive sizing material with the natural gum; At first material is carried out preliminary treatment; Rubber carries out thin logical the plasticating of segmentation in mill in 16 o'clock; Between 45～50 ℃ of the bowl temperature controls, park after plasticating for every section and carry out the hypomere operation more than 8 hours again, the plasticity of plasticating reaches 0.38～0.45.According to prescription accurate measurement batch weighing, according to order of addition(of ingredients) branch kind pack into treat in the container mixing.Use mixer mixing, feeding sequence is: the natural gum of having plasticated; Promoting agent+anti-aging agent+promotor; Strengthening agent+special-purpose Synergist S-421 95; Plasticising tenderizer (gradation adding), mixing evenly (reaching given mixing time) back binder removal, 120 ℃ of dump temperatures.Compressing tablet in mill is parked cooling, in mill, adds vulcanizing agent and slice again, and it is for use more than 8 hours to park cooling;
B, before the cylinder cladding rubber layer, with unhairing machine treatment tube wicking surface rusty stain and burr, again with gasoline or acetone greasy dirt, dry back coating adhesive (Kai Muluoke or lek are received), brushing one deck rubber cement is treated the moulding of complete drying encapsulate again.
To park sizing material for use when C, moulding and carry out heat refining again, and require and rubber adhesive thickness according to the cylinder different size, the layering slice, single-sheet thickness 3～4.5mm is good.And then on the roller core of handling well with the moulding of mechanical process encapsulate.Wrap paper bag cloth after the encapsulate moulding, twine steel wire.
D, next carry out cylinder and in saturation steam is made the vulcanizing boiler of medium, step on peak formula sulfuration, curing temperature and time are: one section is 115 ℃, 60min～90min; Two sections is 125 ℃, 60min～90min; Three sections is 133 ℃, 90min～120min; Four sections is 144 ℃, 60min～150min; Five sections is 149 ℃～151 ℃, 60min～150min; Go out jar after following vexed jar of 60min; Promptly can be made into the cylinder that the rubber adhesive of present embodiment can normally use in various diluted acid alkali, salt bath solution.
Claims (10)
1. the rubber adhesive of a converyor roller; It is characterized in that; The roller core of said converyor roller coats rubber adhesive outward, and said rubber adhesive comprises following component and weight part: natural gum 100, vulcanizing agent 4～5, promotor 0.5～1.8, promoting agent 7～15, strengthening agent 20～70, plasticising tenderizer 10～20, anti-aging agent 3～5, special-purpose Synergist S-421 95 10～40.
2. the rubber adhesive of converyor roller according to claim 1 is characterized in that, said vulcanizing agent is a Sulfur; Said promotor is dithio-bis-benzothiazole and N cyclohexyl 2 benzothiazole sulfenamide.
3. the rubber adhesive of converyor roller according to claim 1 is characterized in that, said promoting agent is zinc oxide and Triple Pressed Stearic Acid.
4. the rubber adhesive of converyor roller according to claim 1 is characterized in that, said strengthening agent is high wear-resistant carbon black, high one or both the mixture of stretching surely in semi-reinforcing furnace black, the general carbon black.
5. the rubber adhesive of converyor roller according to claim 1 is characterized in that, said plasticising tenderizer is one or more the mixture in Vaseline, Stockholm tar, dibutylester, the solid coumarone.
6. the rubber adhesive of converyor roller according to claim 1 is characterized in that, said anti-aging agent is two kinds or whole and Microcrystalline Wax or a paraffin in N-phenyl-a-naphthylamines, N-PBNA, the N-sec.-propyl-N '-diphenyl-para-phenylene diamine.
7. the rubber adhesive of converyor roller according to claim 1 is characterized in that, said special-purpose Synergist S-421 95 is permanent white, potter's clay or ground barium sulfate.
8. the preparation method of the rubber adhesive of a converyor roller according to claim 1 is characterized in that, may further comprise the steps:
The first step, sizing material preparation: get the raw materials ready by described each component and weight part; Carrying out natural gum again plasticates; Natural gum after will plasticating successively then, promoting agent, anti-aging agent and promotor, strengthening agent and special-purpose Synergist S-421 95, plasticising tenderizer input Banbury mixer carries out mixing, mixing even back binder removal, 120 ℃ of dump temperatures; Compressing tablet in mill is parked cooling, in mill, adds vulcanizing agent and slice again, and it is for use more than 8 hours to park cooling; In second step, roller core is handled: the rust cleaning back of deburring is with gasoline or acetone greasy dirt; Dry back coating adhesive, brush coating slurry, for use behind the complete drying;
The 3rd step, moulding: the sizing material that the cooling that makes in the above-mentioned the first step is for use heat refining in mill, refining slice; In second step on the roller core handled well with mechanical process compression wrap gum forming;
In the 4th step, sulfuration: adopt open steam internal control press cure jar to step on peak formula vulcanization process the rubber vulcanization of encapsulate moulding on roller core in the 3rd step is handled, curing temperature and time are respectively: one section 115 ℃, and 60min～90min; Two sections 125 ℃, 60min～90min; Three sections 133 ℃, 90min～120min; Four sections 144 ℃, 60min～150min; Five sections 149～151 ℃, 60min～150min; Go out jar after following vexed jar of 60min.
9. the preparation method of the rubber adhesive of converyor roller according to claim 8; It is characterized in that; In the first step, said natural gum is plasticated to be specially and in mill in 16 o'clock, is carried out thin logical the plasticating of segmentation, and bowl temperature is 45～50 ℃; Park after plasticating for every section and carry out the hypomere operation more than 8 hours again, the plasticity number of plasticating is 0.38～0.45.
10. the preparation method of the rubber adhesive of converyor roller according to claim 8 is characterized in that, in the 3rd step, said refining slice is the layering slice, and single-sheet thickness is 3～4.5mm.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098797A (en) * | 2014-06-18 | 2014-10-15 | 滁州天成有机硅高分子材料有限公司 | Connecting mixed rubber for rotating shaft of fan |
| CN104693512A (en) * | 2015-03-31 | 2015-06-10 | 陈巧兰 | Rubber sleeve composition of automobile steering wheel |
| CN104893302A (en) * | 2015-04-29 | 2015-09-09 | 安徽嘉木橡塑工业有限公司 | Conveyor roller high temperature resistant acid and alkali resistant rubber coated layer |
| CN104893014A (en) * | 2015-04-29 | 2015-09-09 | 安徽嘉木橡塑工业有限公司 | Rubber coated layer and preparation method thereof |
| CN107723727A (en) * | 2017-09-28 | 2018-02-23 | 王占舟 | A kind of rust line of coil winding machine oils and derusting device |
| CN117021643A (en) * | 2023-08-10 | 2023-11-10 | 沈阳东阳聚氨酯有限公司 | Preparation method of composite double-layer rubber roller |
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| CN101134825A (en) * | 2006-09-01 | 2008-03-05 | 上海保隆汽车科技股份有限公司 | Color-change resistant latch-locked valve cock rubber formula and method for making same |
| CN102070798A (en) * | 2010-11-23 | 2011-05-25 | 安徽盛运橡胶有限责任公司 | Cold-resistance rubber covering layer of conveyer support roller and preparation method thereof |
| CN102161800A (en) * | 2010-11-23 | 2011-08-24 | 安徽盛运橡胶有限责任公司 | Heat-resistant rubber coating layer for conveyor roller and preparation method thereof |
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Patent Citations (5)
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| CN1730526A (en) * | 2005-07-30 | 2006-02-08 | 万向钱潮股份有限公司 | Hardening rubber and its production process |
| CN1884354A (en) * | 2006-06-14 | 2006-12-27 | 姜海军 | Rubber material for metal and rubber composite shock-absorbent product |
| CN101134825A (en) * | 2006-09-01 | 2008-03-05 | 上海保隆汽车科技股份有限公司 | Color-change resistant latch-locked valve cock rubber formula and method for making same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098797A (en) * | 2014-06-18 | 2014-10-15 | 滁州天成有机硅高分子材料有限公司 | Connecting mixed rubber for rotating shaft of fan |
| CN104693512A (en) * | 2015-03-31 | 2015-06-10 | 陈巧兰 | Rubber sleeve composition of automobile steering wheel |
| CN104893302A (en) * | 2015-04-29 | 2015-09-09 | 安徽嘉木橡塑工业有限公司 | Conveyor roller high temperature resistant acid and alkali resistant rubber coated layer |
| CN104893014A (en) * | 2015-04-29 | 2015-09-09 | 安徽嘉木橡塑工业有限公司 | Rubber coated layer and preparation method thereof |
| CN107723727A (en) * | 2017-09-28 | 2018-02-23 | 王占舟 | A kind of rust line of coil winding machine oils and derusting device |
| CN117021643A (en) * | 2023-08-10 | 2023-11-10 | 沈阳东阳聚氨酯有限公司 | Preparation method of composite double-layer rubber roller |
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Application publication date: 20120509 |