CN104277339A - Water-resistant and anti-aging synthetic rubber for color sorters and preparation method thereof - Google Patents
Water-resistant and anti-aging synthetic rubber for color sorters and preparation method thereof Download PDFInfo
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- CN104277339A CN104277339A CN201410580824.0A CN201410580824A CN104277339A CN 104277339 A CN104277339 A CN 104277339A CN 201410580824 A CN201410580824 A CN 201410580824A CN 104277339 A CN104277339 A CN 104277339A
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- synthetic rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a water-resistant and anti-aging synthetic rubber for color sorters, which is prepared from the following raw materials in parts by weight: 40-50 parts of ethylene propylene terpolymer, 30-40 parts of a butadiene rubber, 2-5 parts of talcum powder, 1-3 parts of aluminum hydroxide, 20-30 parts of super light silica, 2-4 parts of diethylene glycol, 1-2 parts of an accelerator TETD, 2-3 parts of an antiager A, 20-40 parts of N220 carbon black, 3-4 parts of styrene, 1-3 parts of m-xylylenediamine, 2-4 parts of 3-aminopropyltrimethoxysilane, 1-3 parts of paraffin wax, and 10-12 parts of modified diatomite. The synthetic rubber disclosed by the invention replaces a common spring used in a vibrator of an existing color sorter so as to achieve a better shock-absorbing effect; and the 3-aminopropyltrimethoxysilane added in the synthetic rubber disclosed by the invention can enhance the cohesiveness of the synthetic rubber, increase the mechanical, electrical, water resistant and anti-aging properties and the like of products, and improve the wettability and dispersity of filler in polymers.
Description
Technical field
The present invention relates to a kind of rubber composite manufacture field, particularly a kind of color selector water-fast anti-aging synthetic rubber and preparation method thereof.
Background technology
Color selector utilizes photoelectric technology by the heterochromatic particle automatic sorting equipment out in granule materials, has a wide range of applications, have saving of labor, save time, efficiency is high, advantage that cost is low in industries such as grain, food, pigment chemical industry.But the vibrator in existing color selector generally uses common spring damping, effect generally and easily damage, therefore the present inventor designs the spring in a kind of synthetic rubber replacement vibrator, and utilize the synthesis technique of post cure that rubber item is cross-linked further, improve elastomeric mechanical property and compression set performance, be suitable for the damping device as color selector and permanent use, substantially increase the serviceability of color selector, create good economic return.
Summary of the invention
The present invention compensate for the deficiencies in the prior art, provides a kind of color selector water-fast anti-aging synthetic rubber and preparation method thereof.
Technical scheme of the present invention is as follows:
Synthetic rubber of the present invention is made up of the raw material of following weight part: terpolymer EP rubber 40-50, cis-1,4-polybutadiene rubber 30-40, talcum powder 2-5, aluminium hydroxide 1-3, ultralight white carbon black 20-30, glycol ether 2-4, acceterator TE TD 1-2, antioxidant A 2-3, N220 carbon black 20-40, vinylbenzene 3-4, m-xylene diamine 1-3,3-aminopropyl trimethoxysilane 2-4, paraffin 1-3, modification infusorial earth 10-12;
Described modification infusorial earth is made up of the raw material of following weight part: diatomite 40-50, titanium dioxide 6-8, lithopone 3-4, xylogen 2-4, pearlstone 5-8, iron trichloride 3-5, butyraldehyde-n-aniline condensation thing 2-4, Praseodymium trioxide 1-2, beeswax 6-8,10,10 '-oxo two phenoxazine arsenic 2-3,2,2 '-thiobis (4-tertiary octyl phenol oxygen base) nickel 1-3; Its preparation method is that hydrochloric acid soln diatomite being placed in 5%-10% soaks 40-60 minute, by gained drying materials after suction filtration, mix with pearlstone again, high-temperature calcination 1-2 hour is carried out at 750-800 DEG C, mix with beeswax again after taking out cool to room temperature, grind to form 120-160 object fine powder by shredder, finally mix with surplus material, make the abundant dispersing and mixing of all raw material powders evenly by ball milling.
The concrete steps of described elastomeric preparation are as follows:
(1) talcum powder, paraffin are carried out levigate process respectively by ball mill, for subsequent use;
(2) drop in Banbury mixer after terpolymer EP rubber, cis-1,4-polybutadiene rubber being cut into small pieces and refine glue 2-3 minute, add glycol ether, acceterator TE TD, antioxidant A, vinylbenzene, m-xylene diamine, 3-aminopropyl trimethoxysilane again, mixing 3-5 minute at 70-90 DEG C; Add talcum powder, N220 carbon black, ultralight white carbon black again, mixing 6-10 minute at 90-120 DEG C;
(3) step 2 gained rubber is placed in vulcanizing press, then adds aluminium hydroxide, paraffin and leftover materials, sulfidizing 30-60 minute at 12-15Mpa, 80-100 DEG C;
(4) by step 3 gained synthetic rubber revulcanization process 20-30 minute at 12-15Mpa, 80-100 DEG C, by the synthetic rubber inspection deburring obtained.
Beneficial effect of the present invention:
Clou of the present invention is a kind of synthetic rubber of invention, replaces the common spring used in existing color selector vibrator, to reach better damping effect.
The 3-aminopropyl trimethoxysilane that synthetic rubber of the present invention adds can strengthen its cohesiveness, improves the machinery of product, the performance such as electric, water-fast, anti-aging, and improves filler wettability in the polymer and dispersiveness.
The interpolation of modification infusorial earth can improve elastomeric performance, 10 of interpolation, and the two phenoxazine arsenic of 10 '-oxo can mould fungus inhibition, prevent rubber from going mouldy, 2,2 '-thiobis (4-tertiary octyl phenol oxygen base) nickel can reduce light-emitting phosphor intensity, prevents rubber generation photodegradation.
Specific embodiments
Below in conjunction with following embodiment, the present invention is described in further detail:
The raw material taking following weight part (kg) is made: terpolymer EP rubber 45, cis-1,4-polybutadiene rubber 35, talcum powder 4, aluminium hydroxide 2, ultralight white carbon black 25, glycol ether 3, acceterator TE TD 1, antioxidant A 2, N220 carbon black 30, vinylbenzene 3, m-xylene diamine 2,3-aminopropyl trimethoxysilane 3, paraffin 2, modification infusorial earth 11;
Described modification infusorial earth is made up of the raw material of following weight part (kg): diatomite 45, titanium dioxide 7, lithopone 3, xylogen 3, pearlstone 6, iron trichloride 4, butyraldehyde-n-aniline condensation thing 3, Praseodymium trioxide 1, beeswax 7,10, the two phenoxazine arsenic 2,2 of 10 '-oxo, 2 '-thiobis (4-tertiary octyl phenol oxygen base) nickel 2; Its preparation method be diatomite is placed in 8% hydrochloric acid soln soak 50 minutes, by gained drying materials after suction filtration, mix with pearlstone again, high-temperature calcination 2 hours is carried out at 770 DEG C, mix with beeswax again after taking out cool to room temperature, grind to form 140 object fine powders by shredder, finally mix with surplus material, make the abundant dispersing and mixing of all raw material powders evenly by ball milling.
The concrete steps of described elastomeric preparation are as follows:
(1) talcum powder, paraffin are carried out levigate process respectively by ball mill, for subsequent use;
(2) drop in Banbury mixer after terpolymer EP rubber, cis-1,4-polybutadiene rubber being cut into small pieces and refine glue 2 minutes, then add glycol ether, acceterator TE TD, antioxidant A, vinylbenzene, m-xylene diamine, 3-aminopropyl trimethoxysilane, at 80 DEG C mixing 4 minutes; Add talcum powder, N220 carbon black, ultralight white carbon black again, at 110 DEG C mixing 8 minutes;
(3) step 2 gained rubber is placed in vulcanizing press, then adds aluminium hydroxide, paraffin and leftover materials, in 14Mpa, sulfidizing 45 minutes at 100 DEG C;
(4) by step 3 gained synthetic rubber in 14Mpa, revulcanization process 25 minutes at 80 DEG C, by the synthetic rubber inspection deburring obtained.
After the synthetic rubber utilizing present method to obtain replaces the spring of vibrator in color selector, damping effect significantly promotes, and improves the working efficiency of color selector.
Claims (2)
1. the water-fast anti-aging synthetic rubber of color selector, it is characterized in that, be made up of the raw material of following weight part: terpolymer EP rubber 40-50, cis-1,4-polybutadiene rubber 30-40, talcum powder 2-5, aluminium hydroxide 1-3, ultralight white carbon black 20-30, glycol ether 2-4, acceterator TE TD 1-2, antioxidant A 2-3, N220 carbon black 20-40, vinylbenzene 3-4, m-xylene diamine 1-3,3-aminopropyl trimethoxysilane 2-4, paraffin 1-3, modification infusorial earth 10-12;
Described modification infusorial earth is made up of the raw material of following weight part: diatomite 40-50, titanium dioxide 6-8, lithopone 3-4, xylogen 2-4, pearlstone 5-8, iron trichloride 3-5, butyraldehyde-n-aniline condensation thing 2-4, Praseodymium trioxide 1-2, beeswax 6-8,10,10 '-oxo two phenoxazine arsenic 2-3,2,2 '-thiobis (4-tertiary octyl phenol oxygen base) nickel 1-3; Its preparation method is that hydrochloric acid soln diatomite being placed in 5%-10% soaks 40-60 minute, by gained drying materials after suction filtration, mix with pearlstone again, high-temperature calcination 1-2 hour is carried out at 750-800 DEG C, mix with beeswax again after taking out cool to room temperature, grind to form 120-160 object fine powder by shredder, finally mix with surplus material, make the abundant dispersing and mixing of all raw material powders evenly by ball milling.
2. the water-fast anti-aging synthetic rubber of the color selector according to claims 1, it is characterized in that, the concrete steps of preparation method are as follows:
(1) talcum powder, paraffin are carried out levigate process respectively by ball mill, for subsequent use;
(2) drop in Banbury mixer after terpolymer EP rubber, cis-1,4-polybutadiene rubber being cut into small pieces and refine glue 2-3 minute, add glycol ether, acceterator TE TD, antioxidant A, vinylbenzene, m-xylene diamine, 3-aminopropyl trimethoxysilane again, mixing 3-5 minute at 70-90 DEG C; Add talcum powder, N220 carbon black, ultralight white carbon black again, mixing 6-10 minute at 90-120 DEG C;
(3) step 2 gained rubber is placed in vulcanizing press, then adds aluminium hydroxide, paraffin and leftover materials, sulfidizing 30-60 minute at 12-15Mpa, 80-100 DEG C;
(4) by step 3 gained synthetic rubber revulcanization process 20-30 minute at 12-15Mpa, 80-100 DEG C, by the synthetic rubber inspection deburring obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580824.0A CN104277339A (en) | 2014-10-27 | 2014-10-27 | Water-resistant and anti-aging synthetic rubber for color sorters and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580824.0A CN104277339A (en) | 2014-10-27 | 2014-10-27 | Water-resistant and anti-aging synthetic rubber for color sorters and preparation method thereof |
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| CN104277339A true CN104277339A (en) | 2015-01-14 |
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| CN201410580824.0A Pending CN104277339A (en) | 2014-10-27 | 2014-10-27 | Water-resistant and anti-aging synthetic rubber for color sorters and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592591A (en) * | 2015-01-30 | 2015-05-06 | 柳州市颖航汽配有限公司 | Highly anti-fatigue automobile engine damper rubber |
| CN104592575A (en) * | 2015-01-30 | 2015-05-06 | 柳州市颖航汽配有限公司 | Shock-reducing rubber for automobile engine |
| CN104650467A (en) * | 2015-02-02 | 2015-05-27 | 柳州市二和汽车零部件有限公司 | Preparation method of wear-resisting insulating rubber tube |
| CN106188727A (en) * | 2016-07-12 | 2016-12-07 | 张海棠 | A kind of environmental protection waterproof material and preparation method thereof |
| CN107254108A (en) * | 2017-06-27 | 2017-10-17 | 苏州菱慧电子科技有限公司 | A kind of windscreen wiper bar EPDM sizing materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5543470A (en) * | 1993-12-08 | 1996-08-06 | Sumitomo Chemical Company, Limited | Vulcanized rubber for heat resistant vibration-isolator |
| JP2011178876A (en) * | 2010-03-01 | 2011-09-15 | Bridgestone Corp | Vibration-proof rubber composition and vibration-proof rubber |
| CN103613855A (en) * | 2013-10-20 | 2014-03-05 | 安徽嘉木橡塑工业有限公司 | High-strength wear-resistant rubber pipe |
| CN104109266A (en) * | 2014-06-27 | 2014-10-22 | 安徽宁国尚鼎橡塑制品有限公司 | Wear-resistant and shock-reducing rubber material |
-
2014
- 2014-10-27 CN CN201410580824.0A patent/CN104277339A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5543470A (en) * | 1993-12-08 | 1996-08-06 | Sumitomo Chemical Company, Limited | Vulcanized rubber for heat resistant vibration-isolator |
| JP2011178876A (en) * | 2010-03-01 | 2011-09-15 | Bridgestone Corp | Vibration-proof rubber composition and vibration-proof rubber |
| CN103613855A (en) * | 2013-10-20 | 2014-03-05 | 安徽嘉木橡塑工业有限公司 | High-strength wear-resistant rubber pipe |
| CN104109266A (en) * | 2014-06-27 | 2014-10-22 | 安徽宁国尚鼎橡塑制品有限公司 | Wear-resistant and shock-reducing rubber material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592591A (en) * | 2015-01-30 | 2015-05-06 | 柳州市颖航汽配有限公司 | Highly anti-fatigue automobile engine damper rubber |
| CN104592575A (en) * | 2015-01-30 | 2015-05-06 | 柳州市颖航汽配有限公司 | Shock-reducing rubber for automobile engine |
| CN104650467A (en) * | 2015-02-02 | 2015-05-27 | 柳州市二和汽车零部件有限公司 | Preparation method of wear-resisting insulating rubber tube |
| CN106188727A (en) * | 2016-07-12 | 2016-12-07 | 张海棠 | A kind of environmental protection waterproof material and preparation method thereof |
| CN107254108A (en) * | 2017-06-27 | 2017-10-17 | 苏州菱慧电子科技有限公司 | A kind of windscreen wiper bar EPDM sizing materials |
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Application publication date: 20150114 |