CN102408596A - Rubber cladding layer for cylinder of conveyor and preparation method thereof - Google Patents
Rubber cladding layer for cylinder of conveyor and preparation method thereof Download PDFInfo
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- CN102408596A CN102408596A CN2011102697721A CN201110269772A CN102408596A CN 102408596 A CN102408596 A CN 102408596A CN 2011102697721 A CN2011102697721 A CN 2011102697721A CN 201110269772 A CN201110269772 A CN 201110269772A CN 102408596 A CN102408596 A CN 102408596A
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Abstract
The invention discloses a rubber cladding layer for cylinder of a conveyor and preparation method thereof, wherein the outer side of the roller core of the cylinder of the conveyor is covered with a rubber cladding layer; the rubber cladding layer comprises the following components based on parts by weight: 100 parts of neoprene, 9-12 parts of vulcanizer, 0.3-0.5 parts of accelerator, 1-2 parts of activator, 30-70 parts of reinforcing agent, 10-20 parts of plasticized softener, 2-4 parts of antiager and 20-50 parts of special compounding ingredient. The preparation method comprises preparation of rubber, processing on the roller core, shaping and vulcanizing. In comparison with the existing technology, the acid-base proof rubber cladding layer is prepared by new formula materials and can keep the original physical performance after a long time stay in the acid-base bath lotion such that the cylinder of a conveyor can be used in acid-base and chemicals environment for a long time.
Description
Technical field
The present invention relates to the transfer roller technical field, relate in particular to acid and alkali-resistance 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, acid and alkali-resistance rubber adhesive of a kind of converyor roller and preparation method thereof is provided.This acid and alkali-resistance 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 acid and alkali-resistance rubber adhesive of a kind of converyor roller that the present invention relates to, the roller core of said converyor roller coats the acid and alkali-resistance rubber adhesive outward, and said acid and alkali-resistance rubber adhesive comprises following component and weight part: neoprene latex 100; Vulcanizing agent 9～12, promotor 0.3～0.5, promoting agent 1～2; Strengthening agent 30～70; Plasticising tenderizer 10～20, anti-aging agent 2～4, special-purpose Synergist S-421 95 20～50.
Preferably, said vulcanizing agent is Natural manganese dioxide and zinc oxide; Said promotor is N, N-di-o-tolyl thiocarbamide.
Preferably, said promoting agent is a 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 mixed gas carbon black.
Preferably, said plasticising tenderizer is one or more the mixture in transformer oil, phthalic acid two fourths (suffering) ester, high-speed engine oil, the coumarone indene resin.
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 and/or potter's clay.
The present invention also provides a kind of preparation method of acid and alkali-resistance rubber adhesive of above-mentioned converyor roller, it is characterized in that, may further comprise the steps:
The first step, sizing material preparation: get the raw materials ready by above-mentioned each component and weight part; Carrying out neoprene latex again plasticates; Neoprene latex after plasticating is dropped into thermoplastic 3min in the Banbury mixer, then add Natural manganese dioxide successively, anti-aging agent, Triple Pressed Stearic Acid, strengthening agent, special-purpose Synergist S-421 95 and plasticising tenderizer, zinc oxide, promotor is carried out mixing, mixing even back binder removal, dump temperature is controlled at 110 ℃; Slice in mill, park the cooling for use;
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 neoprene latex is plasticated and is specially: 30～35 ℃ of roller temperature; Roll spacing is passed through 4 times with 5mm earlier, makes said neoprene latex receive hot pressing soft, passes through 4 times with the 3mm roll spacing again; Then,, place for use more than 8 hours at last with sheet under 5～6mm with the thin logical 10min/10kg of 1mm roll spacing.
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 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
Acid and alkali-resistance rubber adhesive material in the experimental example 1～6 is that neoprene latex is the acid and alkali-resistance sizing material of main body, comprises neoprene latex, vulcanizing agent, promotor, promoting agent, strengthening agent, plasticising tenderizer, anti-aging agent and special-purpose Synergist S-421 95; The consumption of the concrete component of experimental example 1～6 and correspondence is 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 acid and alkali-resistance rubber adhesive material prepn to comprise the steps:
A, with neoprene latex as material of main part, during preparation cylinder rubber adhesive sizing material, at first material is carried out pre-treatment, carry out neoprene latex again and plasticate.The neoprene latex method of plasticating: 30～35 ℃ of roller temperature, roll spacing earlier with 5mm through 4 times, make this glue receive hot pressing soft, again with the 3mm roll spacing through 4 times, then,, place for use more than 8 hours at last with sheet under 5～6mm with the thin 10min (in 10kg) that leads to of 1mm roll spacing.Mixing: use mixer mixing, method is: will drop into thermoplastic 3min in the Banbury mixer with the neoprene latex of plasticating, it is mixing and then to add Synergist S-421 95.Feeding sequence is followed successively by: Natural manganese dioxide; Anti-aging agent; Triple Pressed Stearic Acid; Strengthening agent; Special-purpose Synergist S-421 95 and plasticising tenderizer; Zinc oxide and promotor; Mixing evenly (reaching given mixing time) back binder removal, dump temperature is controlled at 110 ℃.Slice in mill, park the cooling for use.
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 60min, promptly can be made into the cylinder that the rubber adhesive of embodiment 1～6 can normally use in the strong and weak soda acid of high density.
Claims (10)
1. the acid and alkali-resistance rubber adhesive of a converyor roller is characterized in that, the roller core of said converyor roller coats the acid and alkali-resistance rubber adhesive outward; Said acid and alkali-resistance rubber adhesive comprises following component and weight part: neoprene latex 100, vulcanizing agent 9～12, promotor 0.3～0.5; Promoting agent 1～2, strengthening agent 30～70, plasticising tenderizer 10～20; Anti-aging agent 2～4, special-purpose Synergist S-421 95 20～50.
2. the acid and alkali-resistance rubber adhesive of converyor roller according to claim 1 is characterized in that, said vulcanizing agent is Natural manganese dioxide and zinc oxide; Said promotor is N, N-di-o-tolyl thiocarbamide.
3. the acid and alkali-resistance rubber adhesive of converyor roller according to claim 1 is characterized in that, said promoting agent is a Triple Pressed Stearic Acid.
4. the acid and alkali-resistance 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 mixed gas carbon black.
5. the acid and alkali-resistance rubber adhesive of converyor roller according to claim 1 is characterized in that, said plasticising tenderizer is one or more the mixture in transformer oil, phthalic acid two fourth monooctyl esters, high-speed engine oil, the coumarone indene resin.
6. the acid and alkali-resistance rubber adhesive of converyor roller according to claim 1 is characterized in that, said anti-aging agent is any two kinds and Microcrystalline Wax or the paraffin in N-phenyl-a-naphthylamines, N-PBNA, the N-sec.-propyl-N '-diphenyl-para-phenylene diamine.
7. the acid and alkali-resistance rubber adhesive of converyor roller according to claim 1 is characterized in that, said special-purpose Synergist S-421 95 is permanent white and/or potter's clay.
8. the preparation method of the acid and alkali-resistance 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 neoprene latex again plasticates; Neoprene latex after plasticating is dropped into thermoplastic 3min in the Banbury mixer, then add Natural manganese dioxide, anti-aging agent successively; Triple Pressed Stearic Acid, strengthening agent, special-purpose Synergist S-421 95 and plasticising tenderizer, zinc oxide; Promotor is carried out mixing, mixing even back binder removal, 110 ℃ of dump temperatures; Slice in mill at last, it is for use 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 acid and alkali-resistance rubber adhesive of converyor roller according to claim 8 is characterized in that, in the first step; Said neoprene latex is plasticated and is specially: 30～35 ℃ of roller temperature, and roll spacing is passed through 4 times with 5mm earlier, makes said neoprene latex receive hot pressing soft; Pass through 4 times with the 3mm roll spacing again; Then,, place for use more than 8 hours at last with sheet under 5～6mm with the thin logical 10min/10kg of 1mm roll spacing.
10. the preparation method of the acid and alkali-resistance 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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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102697721A CN102408596A (en) | 2011-09-13 | 2011-09-13 | Rubber cladding layer for cylinder of conveyor and preparation method thereof |
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| CN2011102697721A CN102408596A (en) | 2011-09-13 | 2011-09-13 | Rubber cladding layer for cylinder of conveyor and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098811A (en) * | 2014-06-18 | 2014-10-15 | 滁州天成有机硅高分子材料有限公司 | Thermal-insulating mixing rubber for household gloves |
| CN104327396A (en) * | 2014-10-31 | 2015-02-04 | 烟台鑫海矿山机械有限公司 | Strong acid and strong alkali resisting rubber compound and preparation method thereof |
| CN104788744A (en) * | 2015-03-28 | 2015-07-22 | 安徽同丰橡塑工业有限公司 | Acid-alkali-resistant rubber coating and preparation method thereof |
| KR101824581B1 (en) | 2014-08-21 | 2018-02-01 | 옌타이 다본드 어드밴스드 실리콘 머티리얼스 컴퍼니 리미티드 | Uv/moisture dual curable organic silicon glue |
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| JPS591546A (en) * | 1982-06-28 | 1984-01-06 | Yokohama Rubber Co Ltd:The | Rubber composition |
| CN101602867A (en) * | 2009-07-09 | 2009-12-16 | 浙江三力士橡胶股份有限公司 | A kind of modified chloroprene rubber V band and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098811A (en) * | 2014-06-18 | 2014-10-15 | 滁州天成有机硅高分子材料有限公司 | Thermal-insulating mixing rubber for household gloves |
| KR101824581B1 (en) | 2014-08-21 | 2018-02-01 | 옌타이 다본드 어드밴스드 실리콘 머티리얼스 컴퍼니 리미티드 | Uv/moisture dual curable organic silicon glue |
| CN104327396A (en) * | 2014-10-31 | 2015-02-04 | 烟台鑫海矿山机械有限公司 | Strong acid and strong alkali resisting rubber compound and preparation method thereof |
| CN104788744A (en) * | 2015-03-28 | 2015-07-22 | 安徽同丰橡塑工业有限公司 | Acid-alkali-resistant rubber coating and preparation method thereof |
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Application publication date: 20120411 |