CN105273265A - Chloroprene-rubber and crylic-acid-sylvite-ionic-bond-polymer-elastomer blend rubber-V-belt wrapping rubber material and preparing method thereof - Google Patents
Chloroprene-rubber and crylic-acid-sylvite-ionic-bond-polymer-elastomer blend rubber-V-belt wrapping rubber material and preparing method thereof Download PDFInfo
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Abstract
The invention discloses a chloroprene-rubber and crylic-acid-sylvite-ionic-bond-polymer-elastomer blend rubber-V-belt wrapping rubber material and a preparing method thereof, and belongs to the technical field of rubber for conveying belts. The rubber material is prepared from, by mass, 35 parts to 60 parts of chloroprene rubber, 5 parts to 30 parts of crylic-acid-sylvite-ionic-bond-polymer elastomer, 35 parts of chlorinated polyethylene rubber, 10 parts of modified polyester resin, 0.4 part to 0.7 part of sulphur, 5 parts to 7 parts of magnesium oxide, 4 parts to 5 parts of zinc oxide, 0.7 part to 1 part of vulcanizing accelerants DM, 0.7 part of vulcanizing agents TCY, 53 parts of reinforcing agents, 16 parts of softening agents, 3 parts of tackifying resin and 2 parts of anti-aging agents. The service life of the rubber material is obviously prolonged, the performance of the rubber material is obviously improved, the change rates of the thermo-oxidative aged tensile strength and the thermo-oxidative aged breaking elongation are small, and the rubber material performance conservation rate and the DIN abrasion in the thermo-oxidative aging and oil touching environment in the V-belt using process are further resisted.
Description
Technical field
The invention belongs to transmission belt field of rubber technology, be specifically related to a kind of chloroprene rubber and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material and preparation method thereof.
Background technology
V band adhesive tape abbreviation V band or wire belt are a kind of sections is trapezoidal annular driving band.The same with flat transmission belt, V band is also that the motor of primover is rotated the power produced, and is delivered in mechanical means by adhesive tape by belt wheel.V band is the product that in transmission belt, output is maximum, purposes is the widest.V band is widely used in boats and ships, electric power, coal, the fields such as office.
V is with the quality of infantees glue to be one of principal element affecting product use properties, and it mainly comprises requirement infantees glue sizing material good wear resistance, is protected skeleton during to ensure running; Good hot-air aging resistance, has less performance variation rate during to ensure running; Certain oil-proofness, with the lubrication wet goods touched during anti-resistance to running, ensure that V band runs well such as, in some special industrial circles, the industry such as chemical industry and coal, V band needs for a long time high temperature, the lubricating oil containing various additive or the environmental work containing all kinds of dust.Under these conditions, the common V based on natural rubber is with and because the structural performance of natural rubber itself, and thermo-oxidative ageing can occurs, and causes declining to a great extent of its work-ing life; Or bring out the decline of intensity due to the swelling action of oil, deform and even rupture, cause security incident and financial loss.In addition, the dust in environment and solid particulate can be attached to drive belt surface, in use cause wearing and tearing to the zone face of transmission belt, and damage its skeleton structure, accelerate that it is aging.
In order to improve the performance of V band, prior art has done various improvement, such as:
Prior art discloses a kind of rubber combination for the manufacture of transmission belt, said composition composition comprises hydrogenated nitrile-butadiene rubber, vulcanizing agent, linking agent, softening agent, acrylic resin monomer, epoxy resin, resol, and said composition has good thermotolerance, self lubricity, oil-proofness and weather resistance.
This system has following shortcoming and problem:
1) hydrogenated nitrile-butadiene rubber and acrylic resin monomer poor by the processing characteristics of body, its rubber mixing technique and sulfuration process difficulty, complicated;
2) heat oxygen aging resistance and weather resistance poor;
3) wear resisting property is poor, and particularly the wear resisting property of working conditions has much room for improvement;
4) tackiness of hydrogenated nitrile-butadiene rubber and infantees skeleton and binding ability poor, the service life reduction of product;
5) elongation of cross-linked rubber is less, in V tape travel process, easily with framework material delamination, and reduction product work-ing life;
6) material cost is high.
Summary of the invention
In order to overcome the Problems existing of prior art, the invention provides a kind of chloroprene rubber and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material and preparation method thereof, reach make that described sizing material is ageing-resistant, oil-proofness and wear-resisting, and lower-cost object, its technical scheme is:
A kind of chloroprene rubber and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material, each component of described sizing material and mass fraction as follows: chloroprene rubber 35-60 part, potassium acrylate salt ion key polymer elastomerics 5-30 part, chlorinated polyethylene rubber 35 parts, modified polyester resin 10 parts, sulphur 0.4-0.7 part, magnesium oxide 5-7 part, zinc oxide 4-5 part, accelerator DM 0.7-1 part, vulcanizing agent TCY0.7 part, strengthening agent 53 parts, tenderizer 16 parts, tackifying resin 3 parts, 2 parts, anti-aging agent.
Described strengthening agent can be carbon black N550 or carbon black N774.
Described tenderizer can be Stockholm tar, Yatall MA, aromatic hydrocarbon oil or naphthenic oil.
Described tackifying resin can be resol or coumarone indene resin.
Described anti-aging agent is 4020.
Present invention also offers the preparation method that described V is with infantees glue sizing material, comprise the steps:
According to described mass fraction, will first chlorinated polyethylene rubber be plastified in Banbury mixer, subsequently bottom sheet on a mill until; Chlorinatedpolyethylene after chloroprene rubber and plasticizing bottom sheet is closed and refines, obtain rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add potassium acrylate salt ion key polymer elastomerics and modified polyester resin, blended 2-3 minute, add magnesium oxide, zinc oxide, accelerator DM, vulcanizing agent TCY, strengthening agent, tenderizer, tackifying resin, anti-aging agent successively, evenly mixing, binder removal temperature control is lower than 110 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, charge temperature 90 DEG C, open refining 3-5 minute, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Wherein, the mixture of chloroprene rubber Blend rubber, make full use of the comparatively excellent heatproof air aging performance of CR, in with body operation process, heat-dissipating is high, the physical and mechanical properties of this sizing material declines slower, the DIN abrasion of work in-process cross-linked rubber are less simultaneously, greatly improve the wear resistance of infantees glue in V tape travel process; In addition, it has certain oil-proofness and improves the bond properties with framework material.
The use of vinylformic acid first salt ion key polymeric elastomer (Surlyn resin) in Blend rubber mixture, first the processing characteristics of Blend rubber at mixing process is improved, to make in the neoprene latex course of processing both pick is improved, simultaneously, Surlyn resin can improve again V and be with the ageing-resistant performance of infantees glue, oil resistance and wear resisting property, makes infantees glue have good composition machine performance conservation rate.
The use of Blend rubber mixture mid-game modified polyester resin (modified PET), while the processing performance improving the infantees glue course of processing, owing to being improved the bond strength of cross-linked rubber and terylene infantees skeleton by sulfuration, sticking power after the heat oxygen aging resistance of infantees glue is improved further, ensure that V band is in operation process, the performance of infantees glue sizing material is substantially constant, and then extends the work-ing life of V band.
The use of chlorinated polyethylene rubber in Blend rubber mixture, further increases the processing characteristics of blended rubber unvulcanizate, both pickly greatly reduces, and half-finished operability is improved, and meanwhile, can not reduce ageing-resistant performance.
Meanwhile, the present invention reasonably selects corresponding vulcanization system, makes its sulfidation have good coordinating with other sizing materials, can ensure the quality that V is with further.
Beneficial effect of the present invention is:
A kind of chloroprene rubber of the present invention and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material and preparation method thereof, the work-ing life of described sizing material and performance is made to significantly improve raising, tensile strength after thermo-oxidative ageing and the velocity of variation of elongation at break less, further anti-resistance to V is with thermo-oxidative ageing in use procedure and is stained with properties of rubber conservation rate and the DIN abrasion of oil environment.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in detail, but scope of the present invention is not by the restriction of these embodiments.
Comparative example:
V in this comparative example is with infantees glue sizing material to be common prescription in prior art, and its composition comprises following component by weight: natural rubber 70 parts, styrene butadiene rubber sbr 150030 parts, 5 parts, zinc oxide, stearic acid 3 parts, 5 parts, sulphur, accelerator DM 0.8 part, vulcanizating accelerant NOBS 0.5 part, strengthening agent 53 parts, tenderizer 16 parts, tackifying resin 5 parts, antioxidant 4020 2 parts.
Described formula uses ordinary method to prepare sizing material, the performance index of gained sizing material are as follows: tensile strength 14.2MPa, elongation rate of tensile failure 511%, 300% tensile modulus 6.3MPa, tension set 20%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-22%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-46%, DIN wears away 137mm
3, 3# oil 160 DEG C × 72 volume changes 40.2%, sticking power 4N/mm.
Embodiment 1:
A kind of chloroprene rubber and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material, each component of described sizing material and mass fraction as follows: chloroprene rubber 60 parts, 5 parts, potassium acrylate salt ion key polymer elastomerics, chlorinated polyethylene rubber 35 parts, modified polyester resin 10 parts, 0.7 part, sulphur, 7 parts, magnesium oxide, 5 parts, zinc oxide, accelerator DM 1 part, vulcanizing agent TCY0.7 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Described V is with the preparation method of infantees glue sizing material, comprises the steps:
According to described mass fraction, will first chlorinated polyethylene rubber be plastified in Banbury mixer, subsequently bottom sheet on a mill until; Chlorinatedpolyethylene after chloroprene rubber and plasticizing bottom sheet is closed and refines, obtain rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add potassium acrylate salt ion key polymer elastomerics and modified polyester resin, blended 2 minutes, add magnesium oxide, zinc oxide, accelerator DM, vulcanizing agent TCY, carbon black N550, Stockholm tar, resol, antioxidant 4020 successively, evenly mixing, binder removal temperature control is at 110 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, charge temperature 90 DEG C, open refining 5 minutes, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 14.6MPa, elongation rate of tensile failure 502%, 300% tensile modulus 6.8MPa, tension set 22%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+4%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-15%, DIN wears away 129mm
3, 3# oil 160 DEG C × 72 volume changes 31%, sticking power 6N/mm.
Embodiment 2:
A kind of chloroprene rubber and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material, each component of described sizing material and mass fraction as follows: chloroprene rubber 55 parts, 10 parts, potassium acrylate salt ion key polymer elastomerics, chlorinated polyethylene rubber 35 parts, modified polyester resin 10 parts, 0.6 part, sulphur, 6 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 1 part, vulcanizing agent TCY0.7 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Described V is with the preparation method of infantees glue sizing material, comprises the steps:
According to described mass fraction, will first chlorinated polyethylene rubber be plastified in Banbury mixer, subsequently bottom sheet on a mill until; Chlorinatedpolyethylene after chloroprene rubber and plasticizing bottom sheet is closed and refines, obtain rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add potassium acrylate salt ion key polymer elastomerics and modified polyester resin, blended 2 minutes, add magnesium oxide, zinc oxide, accelerator DM, vulcanizing agent TCY, carbon black N550, Stockholm tar, resol, antioxidant 4020 successively, evenly mixing, binder removal temperature control is at 105 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, charge temperature 85 DEG C, open refining 5 minutes, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 15.1MPa, elongation rate of tensile failure 510%, 300% tensile modulus 7.1MPa, tension set 26%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+3.8%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-16%, DIN wears away 121mm
3, 3# oil 160 DEG C × 72 volume changes 31%, sticking power 6.2N/mm.
Embodiment 3
A kind of chloroprene rubber and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material, each component of described sizing material and mass fraction as follows: chloroprene rubber 50 parts, 15 parts, potassium acrylate salt ion key polymer elastomerics, chlorinated polyethylene rubber 35 parts, modified polyester resin 10 parts, 0.6 part, sulphur, 6 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 0.8 part, vulcanizing agent TCY0.7 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Described V is with the preparation method of infantees glue sizing material, comprises the steps:
According to described mass fraction, will first chlorinated polyethylene rubber be plastified in Banbury mixer, subsequently bottom sheet on a mill until; Chlorinatedpolyethylene after chloroprene rubber and plasticizing bottom sheet is closed and refines, obtain rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add potassium acrylate salt ion key polymer elastomerics and modified polyester resin, blended 2 minutes, add magnesium oxide, zinc oxide, accelerator DM, vulcanizing agent TCY, carbon black N550, Stockholm tar, resol, antioxidant 4020 successively, evenly mixing, binder removal temperature control is at 100 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, charge temperature 80 DEG C, open refining 5 minutes, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 15.1MPa, elongation rate of tensile failure 491%, 300% tensile modulus 6.7MPa, tension set 25%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+5%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-14%, DIN wears away 124mm
3, 3# oil 160 DEG C × 72 volume changes 27%, sticking power 6.7N/mm.
Embodiment 4
A kind of chloroprene rubber and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material, each component of described sizing material and mass fraction as follows: chloroprene rubber 45 parts, 20 parts, potassium acrylate salt ion key polymer elastomerics, chlorinated polyethylene rubber 35 parts, modified polyester resin 10 parts, 0.4 part, sulphur, 6 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 0.8 part, vulcanizing agent TCY0.7 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Described V is with the preparation method of infantees glue sizing material, comprises the steps:
According to described mass fraction, will first chlorinated polyethylene rubber be plastified in Banbury mixer, subsequently bottom sheet on a mill until; Chlorinatedpolyethylene after chloroprene rubber and plasticizing bottom sheet is closed and refines, obtain rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add potassium acrylate salt ion key polymer elastomerics and modified polyester resin, blended 3 minutes, add magnesium oxide, zinc oxide, accelerator DM, vulcanizing agent TCY, carbon black N550, Stockholm tar, resol, antioxidant 4020 successively, evenly mixing, binder removal temperature control is at 95 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, charge temperature 75 DEG C, open refining 4 minutes, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 16.3MPa, elongation rate of tensile failure 482%, 300% tensile modulus 7.7MPa, tension set 24%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+5%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-12%, DIN wears away 125mm
3, 3# oil 160 DEG C × 72 volume changes 29%, sticking power 7.0N/mm.
Embodiment 5
Present embodiments provide a kind of chloroprene rubber and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material, each component of described sizing material and mass fraction as follows: chloroprene rubber 40 parts, 25 parts, potassium acrylate salt ion key polymer elastomerics, chlorinated polyethylene rubber 35 parts, modified polyester resin 10 parts, 0.4 part, sulphur, 5 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 0.7 part, vulcanizing agent TCY0.7 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Described sizing material adopts following preparation method to make, and according to described parts by weight, will first be plastified in Banbury mixer by chlorinated polyethylene rubber, subsequently bottom sheet on a mill until; Chlorinatedpolyethylene after chloroprene rubber and plasticizing bottom sheet is closed and refines, obtain rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add potassium acrylate salt ion key polymer elastomerics and modified polyester resin, blended 3 minutes, add magnesium oxide, zinc oxide, accelerator DM, vulcanizing agent TCY, carbon black N550, Stockholm tar, resol, antioxidant 4020 successively, evenly mixing, binder removal temperature control is at 90 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, charge temperature 70 DEG C, open refining 5 minutes, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 15.8MPa, elongation rate of tensile failure 509%, 300% tensile modulus 7.4MPa, tension set 25%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+6%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-14%, DIN wears away 119mm
3, 3# oil 160 DEG C × 72 volume changes 26%, sticking power 7.2N/mm.
Embodiment 6
Present embodiments provide a kind of chloroprene rubber and potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material, each component of described sizing material and mass fraction as follows: chloroprene rubber 35 parts, 30 parts, potassium acrylate salt ion key polymer elastomerics, chlorinated polyethylene rubber 35 parts, modified polyester resin 10 parts, 0.4 part, sulphur, 5 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 0.7 part, vulcanizing agent TCY0.7 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Described resistance to sizing material adopts following preparation method to make, and according to described weight fraction, will first be plastified in Banbury mixer by chlorinated polyethylene rubber, subsequently bottom sheet on a mill until; Chlorinatedpolyethylene after chloroprene rubber and plasticizing bottom sheet is closed and refines, obtain rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add potassium acrylate salt ion key polymer elastomerics and modified polyester resin, blended 3 minutes, add magnesium oxide, zinc oxide, accelerator DM, vulcanizing agent TCY, carbon black N550, Stockholm tar, resol, antioxidant 4020 successively, evenly mixing, binder removal temperature control is at 110 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, charge temperature 70 DEG C, open refining 5 minutes, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 15.3MPa, elongation rate of tensile failure 479%, 300% tensile modulus 7.2MPa, tension set 29%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+5.9%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-11%, DIN wears away 120mm
3, 3# oil 160 DEG C × 72 volume changes 24%, sticking power 7.2N/mm.
Can be found out by the contrast of comparative example and embodiment, carrying described sizing material in the present invention, to have the velocity of variation of the tensile strength after good mechanical property and oil resistance, thermal ageing and elongation at break less, and sizing material DIN wears away less, improves the life-span of product.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. chloroprene rubber and a potassium acrylate salt ion key polymer elastomer blend V-shaped rubber belt infantees glue sizing material, is characterized in that: each component of described sizing material and mass fraction are chloroprene rubber 35-60 part, potassium acrylate salt ion key polymer elastomerics 5-30 part, chlorinated polyethylene rubber 35 parts, modified polyester resin 10 parts, sulphur 0.4-0.7 part, magnesium oxide 5-7 part, zinc oxide 4-5 part, accelerator DM 0.7-1 part, vulcanizing agent TCY0.7 part, strengthening agent 53 parts, tenderizer 16 parts, tackifying resin 3 parts, 2 parts, anti-aging agent.
2. sizing material as claimed in claim 1, is characterized in that: described strengthening agent is carbon black N550 or carbon black N774.
3. sizing material as claimed in claim 1, is characterized in that: described tenderizer is the one in Stockholm tar, Yatall MA, aromatic hydrocarbon oil or naphthenic oil.
4. sizing material as claimed in claim 1, is characterized in that: described tackifying resin is the one in resol or coumarone indene resin.
5. sizing material as claimed in claim 1, is characterized in that: described anti-aging agent is 4020.
6. sizing material as claimed in claim 1, its preparation method is: according to described mass fraction, will first be plastified in Banbury mixer by chlorinated polyethylene rubber, subsequently bottom sheet on a mill until; Chlorinatedpolyethylene after chloroprene rubber and plasticizing bottom sheet is closed and refines, obtain rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add potassium acrylate salt ion key polymer elastomerics and modified polyester resin, blended 2-3 minute, add magnesium oxide, zinc oxide, accelerator DM, vulcanizing agent TCY, strengthening agent, tenderizer, tackifying resin, anti-aging agent successively, evenly mixing, binder removal temperature control is lower than 110 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, charge temperature 90 DEG C, open refining 3-5 minute, mixing evenly rear bottom sheet obtains V and is with infantees glue.
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| CN201510776048.6A CN105273265A (en) | 2015-11-13 | 2015-11-13 | Chloroprene-rubber and crylic-acid-sylvite-ionic-bond-polymer-elastomer blend rubber-V-belt wrapping rubber material and preparing method thereof |
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| CN201510776048.6A CN105273265A (en) | 2015-11-13 | 2015-11-13 | Chloroprene-rubber and crylic-acid-sylvite-ionic-bond-polymer-elastomer blend rubber-V-belt wrapping rubber material and preparing method thereof |
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Application publication date: 20160127 |
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