CN105218906A - Carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material and preparation method thereof - Google Patents
Carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V is with infantees sizing material, belong to transmission belt field of rubber technology, each component of described sizing material and mass fraction as follows: carboxy nitrile rubber 20-45 part, ethylene acrylic zinc salt ionic linkage polymer elasticity 5-30 part, chloroprene rubber 50 parts, sulphur 0.4-0.7 part, magnesium oxide 5-7 part, zinc oxide 4-5 part, accelerator DM? 0.7-1 part, strengthening agent 53 parts, tenderizer 16 parts, tackifying resin 3 parts, 2 parts, anti-aging agent.Work-ing life and the performance of sizing material of the present invention significantly improve, the 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.
Description
Technical field
The invention belongs to transmission belt field of rubber technology, be specifically related to carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V is with 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 carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V is with infantees glue sizing material and preparation method thereof, reach make that described sizing material is ageing-resistant, oil-proofness and wear-resisting, and cost is lower, its technical scheme is:
A kind of carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material, each component of described sizing material and mass fraction as follows: carboxy nitrile rubber 20-45 part, ethylene acrylic zinc salt ionic linkage polymer elasticity 5-30 part, chloroprene rubber 50 parts, sulphur 0.4-0.7 part, magnesium oxide 5-7 part, zinc oxide 4-5 part, accelerator DM 0.7-1 part, strengthening agent 53 parts, tenderizer 16 parts, tackifying resin 3 parts, 2 parts, anti-aging agent.
Preferably, described strengthening agent is carbon black N550 and carbon black N774.
Preferably, described tenderizer is Stockholm tar, Yatall MA, aromatic hydrocarbon oil or naphthenic oil.
Preferably, described tackifying resin is resol or coumarone indene resin.
Preferably, 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 prescription quality number, carboxy nitrile rubber, chloroprene rubber are closed refining, obtains rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add ethylene acrylic zinc salt ionic linkage polymer elasticity, blended 2-3 minute, adds magnesium oxide, zinc oxide, accelerator DM, strengthening agent, tenderizer, tackifying resin, anti-aging agent successively, evenly mixing, binder removal temperature control is below 110 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, and charge temperature, lower than 90 DEG C, opens refining 2-5 minute, and mixing evenly rear bottom sheet obtains V and is with infantees glue.
Wherein, the mixture of carboxy nitrile rubber Blend rubber, makes full use of the comparatively excellent wear resisting property of XNBR, and the DIN abrasion of work in-process cross-linked rubber are less, greatly improve the wear resistance of infantees glue in V tape travel process; Meanwhile, it has certain oil-proofness and hot-air aging resistance.
The elastomeric use of ethylene acrylic zinc salt ionic linkage polymer in Blend rubber mixture, first the processing characteristics of Blend rubber at mixing process is improved, meanwhile, ageing-resistant performance and wear resisting property that V is with infantees glue can be improved again, make infantees glue have good composition machine performance conservation rate.
The use of chloroprene rubber in Blend rubber mixture, improving the infantees glue course of processing certain fusible while, the heat oxygen aging resistance degree of infantees glue is improved further, ensures 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.
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, 1 part, sulphur, accelerator DM 0.8 part, vulcanizating accelerant NOBS 0.5 part, strengthening agent 53 parts, tenderizer 16 parts, tackifying resin 3 parts, antioxidant 4020 2 parts.
Described formula conventionally prepares 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%.
Embodiment 1:
A kind of carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material, each component of described sizing material and mass fraction as follows: carboxy nitrile rubber 45 parts, ethylene acrylic zinc salt ionic linkage polymer elasticity 5 parts, chloroprene rubber 50 parts, 0.7 part, sulphur, 7 parts, magnesium oxide, 5 parts, zinc oxide, accelerator DM 1 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Present invention also offers the preparation method that described V is with infantees glue sizing material, comprise the steps:
Carboxy nitrile rubber, chloroprene rubber are closed refining, obtains rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add ethylene acrylic zinc salt ionic linkage polymer elasticity, blended 2 minutes, add magnesium oxide, zinc oxide, accelerator DM, 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 2-5 minute, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 15.2MPa, elongation rate of tensile failure 462%, 300% tensile modulus 7.9MPa, tension set 26%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+7%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-9%, DIN wears away 121mm
3, 3# oil 160 DEG C × 72 volume changes 22.1%.
Embodiment 2:
A kind of carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material, each component of described sizing material and mass fraction as follows: carboxy nitrile rubber 40 parts, ethylene acrylic zinc salt ionic linkage polymer elasticity 10 parts, chloroprene rubber 50 parts, 0.6 part, sulphur, 6 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 1 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Present invention also offers the preparation method that described V is with infantees glue sizing material, comprise the steps:
Carboxy nitrile rubber, chloroprene rubber are closed refining, obtains rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add ethylene acrylic zinc salt ionic linkage polymer elasticity, blended 3 minutes, add magnesium oxide, zinc oxide, accelerator DM, 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 3 minutes, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 15.5MPa, elongation rate of tensile failure 436%, 300% tensile modulus 8.2MPa, tension set 23%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+7.6%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-10%, DIN wears away 122mm
3, 3# oil 160 DEG C × 72 volume changes 20%.
Embodiment 3
A kind of carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material, each component of described sizing material and mass fraction as follows: carboxy nitrile rubber 35 parts, ethylene acrylic zinc salt ionic linkage polymer elasticity 15 parts, chloroprene rubber 50 parts, 0.6 part, sulphur, 6 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 0.8 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Present invention also offers the preparation method that described V is with infantees glue sizing material, comprise the steps:
Carboxy nitrile rubber, chloroprene rubber are closed refining, obtains rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add ethylene acrylic zinc salt ionic linkage polymer elasticity, blended 3 minutes, add magnesium oxide, zinc oxide, accelerator DM, 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 4 minutes, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 16.1MPa, elongation rate of tensile failure 421%, 300% tensile modulus 9.5MPa, tension set 24%, 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-11%, DIN wears away 107mm
3, 3# oil 160 DEG C × 72 volume changes 20.5%.
Embodiment 4
A kind of carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material, each component of described sizing material and mass fraction as follows: carboxy nitrile rubber 30 parts, ethylene acrylic zinc salt ionic linkage polymer elasticity 20 parts, chloroprene rubber 50 parts, 0.4 part, sulphur, 6 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 0.8 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Present invention also offers the preparation method that described V is with infantees glue sizing material, comprise the steps:
Carboxy nitrile rubber, chloroprene rubber are closed refining, obtains rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add ethylene acrylic zinc salt ionic linkage polymer elasticity, blended 3 minutes, add magnesium oxide, zinc oxide, accelerator DM, 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 5 minutes, mixing evenly rear bottom sheet obtains V and is with infantees glue.
Gained properties of rubber index is as follows: tensile strength 16.4MPa, elongation rate of tensile failure 425%, 300% tensile modulus 9.7MPa, tension set 22%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+6.9%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-10%, DIN wears away 107mm3,3# oil 160 DEG C × 72 volume changes 18.7%.
Embodiment 5
A kind of carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material, each component of described sizing material and mass fraction as follows: carboxy nitrile rubber 25 parts, ethylene acrylic zinc salt ionic linkage polymer elasticity 25 parts, chloroprene rubber 50 parts, 0.4 part, sulphur, 5 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 0.7 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Present invention also offers the preparation method that described V is with infantees glue sizing material, comprise the steps:
Carboxy nitrile rubber, chloroprene rubber are closed refining, obtains rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add ethylene acrylic zinc salt ionic linkage polymer elasticity, blended 3 minutes, add magnesium oxide, zinc oxide, accelerator DM, 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 16.5MPa, elongation rate of tensile failure 411%, 300% tensile modulus 9.6MPa, tension set 20%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+5.7%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-12%, DIN wears away 105mm
3, 3# oil 160 DEG C × 72 volume changes 19.2%.
Embodiment 6
A kind of carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material, each component of described sizing material and mass fraction as follows: carboxy nitrile rubber 20 parts, ethylene acrylic zinc salt ionic linkage polymer elasticity 30 parts, chloroprene rubber 50 parts, 0.4 part, sulphur, 5 parts, magnesium oxide, 4 parts, zinc oxide, accelerator DM 0.7 part, carbon black N55053 part, Stockholm tar 16 parts, 3 parts, resol, antioxidant 4020 2 parts.
Present invention also offers the preparation method that described V is with infantees glue sizing material, comprise the steps:
Carboxy nitrile rubber, chloroprene rubber are closed refining, obtains rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add ethylene acrylic zinc salt ionic linkage polymer elasticity, blended 2 minutes, add magnesium oxide, zinc oxide, accelerator DM, 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 16.5MPa, elongation rate of tensile failure 415%, 300% tensile modulus 10.1MPa, tension set 20%, 160 DEG C × 72h aging front and back tensile strength velocity of variation+4.1%, 160 DEG C × 72h aging front and back tensile strength velocity of variation-15%, DIN wears away 99mm
3, 3# oil 160 DEG C × 72 volume changes 18.1%.
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. carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with an infantees glue sizing material, it is characterized in that: each component of described sizing material and mass fraction are carboxy nitrile rubber 20-45 part, ethylene acrylic zinc salt ionic linkage polymer elasticity 5-30 part, chloroprene rubber 50 parts, sulphur 0.4-0.7 part, magnesium oxide 5-7 part, zinc oxide 4-5 part, accelerator DM 0.7-1 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 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, carboxy nitrile rubber, chloroprene rubber is closed refining, obtains rubber unvulcanizate; Rubber unvulcanizate is added Banbury mixer, add ethylene acrylic zinc salt ionic linkage polymer elasticity, blended 2-3 minute, adds magnesium oxide, zinc oxide, accelerator DM, strengthening agent, tenderizer, tackifying resin, anti-aging agent successively, evenly mixing, binder removal temperature control is below 110 DEG C; Above-mentioned rubber unvulcanizate is added Sulfur on a mill until, and charge temperature, lower than 90 DEG C, opens refining 2-5 minute, and mixing evenly rear bottom sheet obtains V and is with infantees glue.
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| CN201510772280.2A CN105218906A (en) | 2015-11-13 | 2015-11-13 | Carboxy nitrile rubber and ethylene acrylic zinc salt ionic linkage polymer elastomer blend V are with infantees glue sizing material and preparation method thereof |
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| CN108912573A (en) * | 2017-04-07 | 2018-11-30 | 徐州工业职业技术学院 | A kind of rubber coated anchor chain and preparation method thereof |
| CN113667201A (en) * | 2021-07-23 | 2021-11-19 | 华南理工大学 | Hydrogenated carboxyl nitrile rubber material and preparation method and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108912573A (en) * | 2017-04-07 | 2018-11-30 | 徐州工业职业技术学院 | A kind of rubber coated anchor chain and preparation method thereof |
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| CN113667201A (en) * | 2021-07-23 | 2021-11-19 | 华南理工大学 | Hydrogenated carboxyl nitrile rubber material and preparation method and application thereof |
| CN113667201B (en) * | 2021-07-23 | 2022-07-26 | 华南理工大学 | Hydrogenated carboxyl nitrile rubber material and preparation method and application thereof |
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