CN104140578B - A kind of high styrene resin rubber roll - Google Patents
A kind of high styrene resin rubber roll Download PDFInfo
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- CN104140578B CN104140578B CN201410395412.XA CN201410395412A CN104140578B CN 104140578 B CN104140578 B CN 104140578B CN 201410395412 A CN201410395412 A CN 201410395412A CN 104140578 B CN104140578 B CN 104140578B
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Abstract
The invention discloses a kind of high styrene resin rubber roll, belong to rubber roll and manufacture field.A kind of high styrene resin rubber roll, do are the component of rubber roll and mass fraction: butadiene-acrylonitrile rubber 100 parts, high styrene resin 5-16 part, zinc oxide 5-7 part, stearic acid 1-3 part, anti-aging agent RD? 1-2 part, antioxidant 4010NA? 1-2 part, 601 resin 10-20 parts, carbon black N330? 20-30 part, carbon black N550? 20-30 part, magnesium oxide 20-30 part, potter's clay 10-20 part, o-phthalic acid dibutyl ester 10-20 part, captax 1-2 part, altax? 2-3 part, SULPHUR POWDER 2-4 part.The present invention uses two sections of modes of plasticating, and use and adopt carbon black N330, carbon black N550 and high styrene resin synergy, hardness is high, and tensile strength is high, and extensibility is good, and production technique is simple.
Description
Technical field
The present invention relates to rubber roll and manufacture field, more particularly, relate to a kind of high styrene resin rubber roll.
Background technology
Rubber roll has use on the drafting of textile industry, rove, spinning frame.Rubber roll, in spinning, drawing process, is responsible for and controls fiber movement, minimizing floating fiber does sth. in advance speed change, improve resultant yarn strand, reduce the effect that thickness of yarn saves, filoplume produces.
The rubber roll of excellent property not only will have superior elasticity, absorbing, less compression set and splendid wear resistance, good static resistance and moisture-absorbing/releasing, anti-entangling, oil-proofness, but also will have stable and uniform hardness, spinning suiting performance are eager to excel, ozone-resistant, the feature such as ageing-resistant.
In order to improve the hardness of rubber roll, need to use supporting material to improve the hardness of rubber roll, conventional rubber reinforcement is by increasing the consumption of carbon black, improves the intensity of sizing material and hardness, improve about 1 degree by 5 parts of carbon black hardness, need to fill carbon black in a large number when therefore producing high durometer rubber; A large amount of use carbon black can affect tensile strength and the stretchiness of rubber roll, and heat generation when operation also can have an impact.
High styrene rubber is a special kinds of styrene-butadiene rubber(SBR), by the latex of divinyl and styrene emulsion copolymerization, again through cohesion washing, extrusion dehydration, dry and product, general Styrene Content in Coplymer is 23.5% ± 1%, content up to more than 40% be called high styrene rubber, combined styrene 70%-90% is then high styrene resin.
High styrene resin, as a kind of rubber accelerator, for rubber production, can improve the stress at definite elongation of rubber, intensity, hardness, resistance to tearing, and resistance to bending is disturbed and wear resistance, and shape is the particulate state of about 3mm.
Chinese Patent Application No. 200410043440.1, authorized announcement date is on April 19th, 2006, invention and created name is: composition for thermoplastic elastomer and the rubber rollers be made up of it, the invention provides a kind of composition for thermoplastic elastomer, it comprises number-average molecular weight than more than 1.2, and the have thermoplastic elastomers (A) such as the high-molecular-weight thermoplastic elastomerics of affinity and low molecular weight thermoplastic elastomerics, tenderizer (B), the olefin resin of less than 500 are resin compound (C) and the rubber stock (D) of main component.Rubber dynamic vulcanization.By rubber disperse in above-mentioned thermoplastic elastomer and olefin resin.And by be the high molecular weight styrene thermoplastic elastomer composition (F) of more than 80,000 containing number-average molecular weight, the graftomer constituent (G) of polar terminals modified thermoplastic elastomer and/or polar-nonpolar and be that the rubber stock (H) of main component mixes with EPDM, rubber is cross-linked and is dispersed in above-mentioned thermoplastic elastomer in said mixture.But this invention, use batching complicated, technique is loaded down with trivial details, and require high to manufacture, sizing material hardness is strong not.
Summary of the invention
1. the technical problem that will solve
Loaded down with trivial details for the technique existed in prior art, require high to manufacture, the strong not problem of sizing material hardness, the invention provides a kind of high styrene resin rubber roll, it is simple that it can realize technique, and preparation condition requires low, the result that sizing material hardness is strong.
2. technical scheme
Object of the present invention is achieved through the following technical solutions.
A kind of high styrene resin rubber roll, component and the mass fraction of high styrene resin rubber roll are as follows:
| Sequence number | Title | Mass fraction |
| 1 | Butadiene-acrylonitrile rubber | 100 |
| 2 | High styrene resin | 5-16 |
| 3 | Zinc oxide | 5-7 |
| 4 | Stearic acid | 1-3 |
| 5 | Anti-aging agent RD | 1-2 |
| 6 | Antioxidant 4010NA | 1-2 |
| 7 | 601 resins | 10-20 |
| 8 | Carbon black N330 | 20-30 |
| 9 | Carbon black N550 | 20-30 |
| 10 | Magnesium oxide | 20-30 |
| 11 | Potter's clay | 10-20 |
| 12 | O-phthalic acid dibutyl ester | 10-20 |
| 13 | SULPHUR POWDER | 2-4 |
| 14 | Altax | 2-3 |
| 15 | Captax | 1-2 |
High styrene resin is HS80 type, is a kind of copolymer from styrene and butadiene, and shape is 3mm particulate state.
High styrene resin styrene content is 70%-90%.
High styrene resin vinylbenzene can be HS80 type, and its styrene content reaches 80%.
Use the high and styrene resin of carbon black composition carbon black N330, carbon black N550 to add in rubber roll, improve hardness, often add 1 part high pump ethenoid resin rubber hardness and improve about 1 degree.
Stearic acid is stearic acid 1801, stearic acid 1837 or stearic acid 1842, and its stearic acid take animal grease as main raw material.
It is 99.7% light magnesium oxide that magnesium oxide employs purity, and highly purified magnesium oxide activation performance and catalytic performance are stronger, makes reaction process more deep and rapid.
A preparation method for high styrene resin rubber roll, step is as follows:
1) butadiene-acrylonitrile rubber is taken by the component of above-mentioned a kind of high styrene resin rubber roll and mass fraction;
2) sizing material one section refining glue: plasticated by butadiene-acrylonitrile rubber on a mill until, bottom sheet parks 12 hours, plasticates in process, and mill roll spacing is 3mm;
3) weigh auxiliary material: take zinc oxide, stearic acid, anti-aging agent RD, antioxidant 4010NA, 601 resins, carbon black N330, carbon black N550, magnesium oxide, potter's clay, o-phthalic acid dibutyl ester according to the component of above-mentioned a kind of high styrene resin rubber roll and mass fraction, place in a same vessel; High styrene resin is taken according to the component of above-mentioned a kind of high styrene resin rubber roll and mass fraction; Take captax according to the component of above-mentioned a kind of high styrene resin rubber roll and mass fraction, altax, SULPHUR POWDER place in a same vessel;
4) sizing material two sections is plasticated: by step 2) in the plasticated butadiene-acrylonitrile rubber of a section and high styrene resin mix on a mill until, high styrene resin adds in butadiene-acrylonitrile rubber, by mill roll spacing furnishing 1mm, thin-pass rule 5 times, and play triangle bag 3 times, butadiene-acrylonitrile rubber and high styrene resin Homogeneous phase mixing;
5) sizing material is mixing, by load weighted zinc oxide, stearic acid, anti-aging agent RD, antioxidant 4010NA, 601 resins, carbon black N330, carbon black N550, magnesium oxide, potter's clay, o-phthalic acid dibutyl ester, with step 4) in the sizing material of plasticating together put into close formula rubber mixing machine, mixing 6-8 minutes, binder removal, bottom sheet, waits to be cooled;
Use and adopt the mixing of carbon black N330, carbon black N550 and high styrene resin, can hardness be increased substantially, often add a high pump ethenoid resin rubber hardness and improve about 1 degree, and the stress at definite elongation of rubber can be improved, intensity, hardness, resistance to tearing, resistance to bending is disturbed and wear resistance;
6) add promotor and vulcanizing agent: on a mill until, load weighted captax, altax, SULPHUR POWDER added step 5) in the sizing material made, and when roll spacing 2mm, beat triangle Bao Sanci, then bottom sheet is stand-by;
7) get step 6) in sizing material, put in mould, put into by mould in vulcanizing press, arranging pressure is 0.8MPa, sulfuration 10min at 160 DEG C of temperature.
3. beneficial effect
Compared to prior art, the invention has the advantages that:
(1) the present invention is preferably using carbon black N330 as reinforced filling, regulates hardness of rubber roll, improves wear resistance; In prior art, that conventional is N220, and technologically, the reinforcing property of carbon black N330 is worse than carbon black N220, but the operation heat generation of carbon black N220, dispersiveness are all poor than N330;
(2) carbon black material is that carbon black N330, carbon black N550 combination is as carbon black material.In the various components of rubber, the effect adding carbon black is reinforcement, improves tensile strength.Carbon black N330, can increase substantially rubbery intensity, but a large amount of use can reduce and draws high elongation, N550 reinforcing property is slightly poor, but that can improve rubber draws high elongation, these two kinds of carbon black blend rubber can obtain reasonable tensile strength, but tensile elongation also can be guaranteed; General intensity of the prior art can only reach 12mpa ~ 14mpa, technical scheme of the present invention is adopted to reach 35mpa, this tensile strength reaches the requirement as special rubber products such as tires, improves elongation during rubber tensile, and elongation can reach 250%;
(3) reinforcing rubber is the consumption by increasing carbon black, improve the intensity of sizing material and hardness, about 1 degree is improved with 5 parts of carbon black shore a hardness, need to fill carbon black in a large number when therefore producing high durometer rubber, a large amount of use carbon black can affect tensile strength and the stretchiness of rubber roll, and heat generation when operation also can have an impact, use and adopt carbon black N330, carbon black N550 and high styrene resin work in coordination with use can increase substantially hardness, often add a high pump ethenoid resin rubber shore a hardness and improve about 1 degree, and the stress at definite elongation of rubber can be improved, intensity, hardness, resistance to tearing, resistance to bending is disturbed and wear resistance,
(4) add the high styrene resin of equivalent weight, in resin, styrene content reaches 80%, sizing material hardness ascensional range can be made larger than former technique, improve the utilization ratio of material, greatly saved production cost;
(5) the present invention is material of main part with natural rubber, has higher wear resistance, and tensile strength, and because natural gum is from reinforced rubber, it has higher Green strength, is conducive to the machine-shaping of rubber;
(6) the present invention shares with magnesium oxide and stearic acid, and as activator, anti-aging agent RD, prevents sizing material aging, and potter's clay, as weighting agent, increases volume, reduces costs, and paraffin oil, as process oil use, plays plastification;
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Object of the present invention is achieved through the following technical solutions.
Preparation method is as follows, and component is as follows with mass fraction:
| Sequence number | Title | Quality (kg) |
| 1 | Butadiene-acrylonitrile rubber | 100 |
| 2 | High styrene resin | 10 |
| 3 | Zinc oxide | 6 |
| 4 | Stearic acid | 2 |
| 5 | Anti-aging agent RD | 1 |
| 6 | Antioxidant 4010NA | 1 |
| 7 | 601 resins | 15 |
| 8 | Carbon black N330 | 25 |
| 9 | Carbon black N550 | 25 |
| 10 | Magnesium oxide | 25 |
| 11 | Potter's clay | 15 |
| 12 | O-phthalic acid dibutyl ester | 15 |
| 13 | SULPHUR POWDER | 3 |
| 14 | Altax | 2 |
| 15 | Captax | 1 |
The high pump ethenoid resin improved described in rubber physical is the HS80 type that Yantai Shi Yuan limited rubber company produces, and its styrene content reaches 80%.HS80 reinforced resins is a kind of styrene/butadiene copolymers, as rubber reinforcement type resin, is specifically designed to and improves elastomeric physicals.
High styrene rubber is a special kinds of styrene-butadiene rubber(SBR), by the latex of divinyl and styrene emulsion copolymerization, again through cohesion washing, extrusion dehydration, dry and product, general Styrene Content in Coplymer is 23.5 ± 1%, content up to more than 40% be called high styrene rubber, combined styrene 70-90% is then high styrene resin.This product high styrene resin, as a kind of rubber accelerator, for rubber production, can improve the stress at definite elongation of rubber, intensity, hardness, resistance to tearing, and resistance to bending is disturbed and wear resistance, and shape is the particulate state of about 3mm.
Carbon black N330, as reinforced filling, regulates hardness of rubber roll, improves wear resistance; In prior art, that conventional is N220, and technologically, the reinforcing property of carbon black N330 is worse than carbon black N220, but the operation heat generation of carbon black N220, dispersiveness are all poor than N330.
Preferred carbon black material is that carbon black N330, carbon black N550 combination is as carbon black material.In the various components of rubber, the effect adding carbon black is reinforcement, improves tensile strength.Carbon black N330, rubbery intensity can be increased substantially, but a large amount of use can reduce and draws high elongation, N550 reinforcing property is slightly poor, but that can improve rubber draws high elongation, found through experiments, these two kinds of carbon black blend rubber can obtain reasonable tensile strength, but tensile elongation also can be guaranteed; General intensity of the prior art can only reach 12mpa ~ 14mpa, technical scheme of the present invention is adopted to reach 35mpa, this tensile strength reaches the requirement as special rubber products such as tires, improves elongation during rubber tensile, and elongation can reach 250%.
Carbon black composition carbon black N330, carbon black N550 and high styrene resin is used to add in rubber roll, when improving hardness, often add 1 part high pump ethenoid resin rubber shore a hardness and improve about 1 degree, if be used alone N330, it uses carbon black large usage quantity, and hardness pulling speed is slow.
Experimental data is as shown in the table:
| Hardness (Shao Er A) | Use N330 (supporting material consumption) | The present invention's (supporting material consumption) |
| 85 | N330 35 parts | N330 25 parts of high-phenylethylenes 5 parts |
| 89 | N330 40 parts | N330 30 parts of high-phenylethylenes 7 parts |
| 92 | N330 50 parts | N330 30 parts of high-phenylethylenes 11 parts |
| 96 | N330 66 parts | N330 40 parts of high-phenylethylenes 16 parts |
The synergy employing carbon black composition carbon black N330, carbon black N550 and high styrene resin better makes the hardness of rubber roll improve and the material added is few, economizes on resources, more reduces costs.
Stearic acid selects stearic acid 1801, and its stearic acid 1801 is main raw material with animal grease, improves a lot to activation degree, and the vulcanization rate prepared rubber greatly and degree improve, and reaction is faster, saves time.
It is 99.7% light magnesium oxide that magnesium oxide employs purity, and highly purified magnesium oxide activation performance and catalytic performance are stronger, makes reaction process more deep and rapid.
A preparation method for high styrene resin rubber roll, step is as follows:
1) butadiene-acrylonitrile rubber 100 parts is taken by the component of above-mentioned a kind of high styrene resin rubber roll and mass fraction;
2) sizing material one section refining glue: plasticated by butadiene-acrylonitrile rubber on a mill until, bottom sheet parks 12 hours, plasticates in process, and mill roll spacing is 3mm;
3) weigh auxiliary material: take 10 parts, zinc oxide, stearic acid 1801 quantity 2 parts, anti-aging agent RD 1 part, antioxidant 4010NA 1 part, 601 resin 15 parts, carbon black N330 quantity 25 parts, carbon black N550 quantity 25 parts, 25 parts, magnesium oxide, 15 parts, potter's clay, o-phthalic acid dibutyl ester 15 parts according to the component of above-mentioned a kind of high styrene resin rubber roll and mass fraction, place in a same vessel; High styrene resin 10 parts is taken according to the component of above-mentioned a kind of high styrene resin rubber roll and mass fraction; Take captax quantity 1 part according to the component of above-mentioned a kind of high styrene resin rubber roll and mass fraction, altax quantity 2 parts, SULPHUR POWDER 3 parts place in a same vessel;
4) sizing material two sections is plasticated: by step 2) in the plasticated butadiene-acrylonitrile rubber of a section and high styrene resin mix on a mill until, high styrene resin adds in butadiene-acrylonitrile rubber, by mill roll spacing furnishing 1mm, thin-pass rule 5 times, and play triangle bag 3 times, butadiene-acrylonitrile rubber and high styrene resin are at Homogeneous phase mixing;
5) sizing material is mixing, by load weighted zinc oxide, stearic acid, anti-aging agent RD, antioxidant 4010NA, 601 resins, carbon black N330, carbon black N550, magnesium oxide, potter's clay, o-phthalic acid dibutyl ester, with step 4) in the sizing material of plasticating together put into close formula rubber mixing machine, mixing 7 minutes, binder removal, bottom sheet, waits to be cooled;
6) add promotor and vulcanizing agent: on a mill until, load weighted captax, altax, SULPHUR POWDER added step 5) in the sizing material made, and when roll spacing 2mm, beat triangle Bao Sanci, then bottom sheet is stand-by;
7) get step 6) in sizing material, put in mould, put into by mould in vulcanizing press, arranging pressure is 0.8MPa, sulfuration 10min at 160 DEG C of temperature.
Above-mentioned obtained a kind of high styrene resin rubber roll tested for hardness is shore a hardness 90.The quantity of styrene resin used and carbon black is few, and tensile strength can reach 30mpa, and tensile elongation is 420%, and tensile strength is good, and tensile elongation is high, and the rubber roll that hardness ratio ordinary method is made is higher.
Embodiment 2
Object of the present invention is achieved through the following technical solutions.
The preparation method of the present embodiment is with embodiment 1, and its difference is, the quality of each material, and component is as follows with mass fraction:
| Sequence number | Title | Quality (kg) |
| 1 | Butadiene-acrylonitrile rubber | 100 |
| 2 | High styrene resin | 5 |
| 3 | Zinc oxide | 5 |
| 4 | Stearic acid | 1 |
| 5 | Anti-aging agent RD | 1 |
| 6 | Antioxidant 4010NA | 1 |
| 7 | 601 resins | 10 |
| 8 | Carbon black N330 | 20 |
| 9 | Carbon black N550 | 20 |
| 10 | Magnesium oxide | 20 |
| 11 | Potter's clay | 10 |
| 12 | O-phthalic acid dibutyl ester | 10 |
| 13 | SULPHUR POWDER | 2 |
| 14 | Altax | 2 |
| 15 | Captax | 1 |
Stearic acid selects stearic acid 1837, and its stearic acid 1837 is main raw material with animal grease, improves a lot to activation degree, and the vulcanization rate prepared rubber greatly and degree improve, and reaction is faster, saves time.
Sizing material mixing, by load weighted zinc oxide, stearic acid, anti-aging agent RD, antioxidant 4010NA, 601 resins, carbon black N330, carbon black N550, magnesium oxide, potter's clay, o-phthalic acid dibutyl ester, with step 4) in the sizing material of plasticating together put into close formula rubber mixing machine, mixing 6 minutes, binder removal, bottom sheet, waits to be cooled.
Above-mentioned obtained a kind of high styrene resin rubber roll tested for hardness is shore a hardness is 85.The quantity of styrene resin used and carbon black is few, and tensile strength can reach 25mpa, and tensile elongation is 390%, and tensile strength is good, and tensile elongation is high, and the rubber roll that hardness ratio ordinary method is made is higher.
Embodiment 3
Object of the present invention is achieved through the following technical solutions.
The preparation method of the present embodiment is with embodiment 1, and its difference is, the quality of each material, and component is as follows with mass fraction:
| Sequence number | Title | Quality (kg) |
| 1 | Butadiene-acrylonitrile rubber | 100 |
| 2 | High styrene resin | 16 |
| 3 | Zinc oxide | 7 |
| 4 | Stearic acid | 3 |
| 5 | Anti-aging agent RD | 2 |
| 6 | Antioxidant 4010NA | 2 |
| 7 | 601 resins | 20 |
| 8 | Carbon black N330 | 30 |
| 9 | Carbon black N550 | 30 |
| 10 | Magnesium oxide | 30 |
| 11 | Potter's clay | 20 |
| 12 | O-phthalic acid dibutyl ester | 20 |
| 13 | SULPHUR POWDER | 4 |
| 14 | Altax | 3 |
| 15 | Captax | 2 |
Stearic acid selects stearic acid 1842, and its stearic acid 1842 is main raw material with animal grease, improves a lot to activation degree, and the vulcanization rate prepared rubber greatly and degree improve, and reaction is faster, saves time.
Sizing material mixing, by load weighted zinc oxide, stearic acid, anti-aging agent RD, antioxidant 4010NA, 601 resins, carbon black N330, carbon black N550, magnesium oxide, potter's clay, o-phthalic acid dibutyl ester, with step 4) in the sizing material of plasticating together put into close formula rubber mixing machine, mixing 8 minutes, binder removal, bottom sheet, waits to be cooled;
Above-mentioned obtained a kind of high styrene resin rubber roll tested for hardness is shore a hardness 95.The quantity of styrene resin used and carbon black is few, and tensile strength can reach 21mpa, and tensile elongation is 380%, and tensile strength is good, and tensile elongation is high, and the rubber roll that hardness ratio ordinary method is made is higher.
Below be schematically described the invention and embodiment thereof, this description does not have restricted, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from this creation aim, designing the frame mode similar to this technical scheme and embodiment without creationary, the protection domain of this patent all should be belonged to.
Claims (6)
1. a high styrene resin rubber roll, is characterized in that, component and the mass fraction of described high styrene resin rubber roll are as follows:
The preparation method of described above-mentioned a kind of high styrene resin rubber roll, step is as follows:
1) butadiene-acrylonitrile rubber is taken according to the component of a kind of high styrene resin rubber roll described above and mass fraction;
2) sizing material one section refining glue: plasticated by butadiene-acrylonitrile rubber on a mill until, bottom sheet parks 12 hours, plasticates in process, and mill roll spacing is 3mm;
3) weigh auxiliary material: take zinc oxide, stearic acid, anti-aging agent RD, antioxidant 4010NA, 601 resins, carbon black N330, carbon black N550, magnesium oxide, potter's clay, o-phthalic acid dibutyl ester by according to the component of a kind of high styrene resin rubber roll described above and mass fraction, place in a same vessel; High styrene resin is taken by according to component described above and mass fraction; By taking captax, altax, SULPHUR POWDER placement according to component described above and mass fraction in a same vessel;
4) sizing material two sections is plasticated: by step 2) in the plasticated butadiene-acrylonitrile rubber of a section and high styrene resin mix on a mill until, high styrene resin adds in butadiene-acrylonitrile rubber, by mill roll spacing furnishing 1mm, thin-pass rule 5 times, and play triangle bag 3 times, butadiene-acrylonitrile rubber and high styrene resin Homogeneous phase mixing;
5) sizing material is mixing, by load weighted zinc oxide, stearic acid, anti-aging agent RD, antioxidant 4010NA, 601 resins, carbon black N330, carbon black N550, magnesium oxide, potter's clay, o-phthalic acid dibutyl ester, with step 4) in the sizing material of plasticating together put into close formula rubber mixing machine, mixing 6-8 minutes, binder removal, bottom sheet, waits to be cooled;
6) add promotor and vulcanizing agent: on open type rubber mixing machine, load weighted captax, altax, SULPHUR POWDER added step 5) in the sizing material made, and when roll spacing 2mm, beat triangle Bao Sanci, then bottom sheet is stand-by;
7) get step 6) in sizing material, put in mould, put into by mould in vulcanizing press, carry out sulfuration, pressure is 0.8MPa, sulfuration 10min at 160 DEG C of temperature.
2. a kind of high styrene resin rubber roll according to claim 1, is characterized in that: described high styrene resin is HS80 type, is a kind of copolymer from styrene and butadiene, and shape is 3mm particulate state.
3. a kind of high styrene resin rubber roll according to claim 1, is characterized in that: described high styrene resin styrene content is 70%-90%.
4. a kind of high styrene resin rubber roll according to claim 2, is characterized in that: described high styrene resin styrene content is 80%.
5. a kind of high styrene resin rubber roll according to claim 2, is characterized in that: described stearic acid is stearic acid 1801, stearic acid 1837 or stearic acid 1842.
6. a kind of high styrene resin rubber roll according to claim 3, is characterized in that: described magnesium oxide is purity is 99.7% light magnesium oxide.
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