CN104844831B - A kind of production method of the special control taste mineral supporting material of reclaimed rubber - Google Patents
A kind of production method of the special control taste mineral supporting material of reclaimed rubber Download PDFInfo
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- CN104844831B CN104844831B CN201510247437.XA CN201510247437A CN104844831B CN 104844831 B CN104844831 B CN 104844831B CN 201510247437 A CN201510247437 A CN 201510247437A CN 104844831 B CN104844831 B CN 104844831B
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- reclaimed rubber
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Abstract
The present invention relates to a kind of production method of the special control taste mineral supporting material of reclaimed rubber, comprise the following steps：Step one, mixed after attapulgite clay, Yi Meng clays, kaolin raw ore being dried, coarse crushing, water spray is carried out being squeezed into laminated clay mixture with three-roller；Step 2, the laminated clay mixture is stacked, and dries, the laminated clay mixture after drying then is put into stainless steel troughing, plus calgon and coupling agent containing sulfydryl, is beaten, mulser high speed shear, high pressure homogenizer processing, obtains emulsion；Step 3, by the emulsion by cyclone classification after, centrifuge dewatering, obtain biscuit；Step 4, the biscuit is dried, and is crushed, and adds stearic acid, is mixed, milling, ultra-fine grinding, obtains the special control taste supporting material of reclaimed rubber.The mineral that the present invention is used are easy to get, and cost is low, and operating procedure is simple, is easily controlled, and taste removal is held time length, convenient use, suitable for industrially large-scale application.
Description
Technical field
The present invention relates to a kind of production method of reclaimed rubber eliminating smell agent, and in particular to a kind of special control taste of reclaimed rubber
The production method of mineral supporting material.
Background technology
With the development of society, rubber product is around such as industrial, daily, medical, automobile of every field etc. and the mankind
Life it is inseparable.Because rubber is a kind of resource in short supply relatively, therefore waste old is properly handled, make waste old
Recycling, the problem of solving waste old pollution environment, has extremely far-reaching positive effect to the living environment of the people
And realistic meaning.
But leftover bits or product cured using in rubber pass through the regeneration rubber that desulfurization is processed as raw material
Glue, can discharge various smells, this has a strong impact on various additives such as vulcanizing agent etc. in itself in processing and using middle rubber
The use scope of reclaimed rubber.Therefore, the peculiar smell stink minimizing technology and reagent of reclaimed rubber are studied, reclaimed rubber system is improved
The Environmental Protection Level of product, expand reclaimed rubber products application, as it is extremely urgent the problem of.
CN103756008A (publication date is on 04 30th, 2014) discloses a kind of rubber plastic deodorant, by following heavy
Measure the composition mixing composition of percentage：Zeolite 18%~25%；Calcite 8%~10%；Tourmaline 5%~15%；Dolomite
6%~11%；The medical stone of surplus；Raw material are mixed and stirred for according to percentage by weight uniformly, to grind to form fineness micro- for 10
Rice raw material, after proportioning mixing, high-temperature activation, are formed through cooling, screening.
Although above-mentioned prior art discloses some rubber plastic deodorants, the need for disclosure satisfy that necessarily, these are still
In the presence of certain defect：Such as taste removal hold time it is short, in reclaimed rubber addition be 1-1.5 ‰ when, at ambient temperature
Taste removal was held time as 116 days.
Therefore, there is further improvement and optimization demand for reclaimed rubber eliminating smell agent, this is also in the technical field
Study hotspot and one of emphasis, where being even more the power and starting point that the present invention is accomplished.
The content of the invention
In order to which the taste removal for overcoming prior art to exist is held time short technical problem, the present inventor carried out it is substantial amounts of
After further investigation, so as to complete the present invention.
The present invention is achieved through the following technical solutions, in particular to a kind of special control taste mineral reinforcement of reclaimed rubber
The production method of material, comprises the following steps：
Step one, attapulgite clay, Yi Meng clays, kaolin raw ore are dried into moisture weight content≤20% progress
Mixing, with disintegrating machine coarse crushing into granulate mixture, sprays water to the granulate mixture, is carried out being squeezed into laminated clay with three-roller
Mixture；
Step 2, the laminated clay mixture was stacked more than 15 days, drying to moisture weight content≤20%, then
Laminated clay mixture and water after drying is put into stainless steel troughing, plus calgon and coupling agent containing sulfydryl, is beaten,
Mulser high speed shear, high pressure homogenizer processing, obtains emulsion；
Step 3, by the emulsion by cyclone classification after, centrifuge dewatering, obtain biscuit；
Step 4, the biscuit is dried to moisture weight content≤1% using rotary kiln within 200 DEG C, so
After crush, add stearic acid, mix, milling, ultra-fine grinding, obtain reclaimed rubber it is special control taste supporting material.
It is preferred that, in step one, attapulgite clay, Yi Meng clays, kaolin raw ore after drying are according to weight than the ︰ 1 of 8 ︰ 1
Mixed.
It is preferred that, in step one, the particle diameter of the granulate mixture is 3 ± 1mm.
It is preferred that, in step one, it is 40 ± 2% to be adjusted to moisture weight content to granulate mixture water spray.
It is preferred that, in step one, Jian Ju≤2mm of the three-roller.
It is preferred that, in step 2, laminated clay mixture and water after the drying are put into stainless according to the ︰ 10 of weight ratio 1
Steel troughing.
It is preferred that, in step 2, the consumption of the calgon is equivalent to the laminated clay mixture after the drying
The 1% of weight, the consumption of the coupling agent containing sulfydryl is equivalent to 3% of the laminated clay mixture weight after the drying.
It is preferred that, in step 2, the time of the mulser high speed shear is 2 hours.
It is preferred that, in step 2, the pressure of the high pressure homogenizer processing is 80MPa.
It is preferred that, in step 4,1% of the stearic consumption equivalent to the biscuit weight after the drying.
Compared with prior art, beneficial effects of the present invention are as follows：The production method that the present invention is provided is by using price
Cheap attapulgite clay, Yi Meng clays, kaolin raw ore as raw material, and pass through crush, extruding, mashing, high speed shear, it is high
Homogeneous is pressed, classification, the optimization of the series of steps such as centrifugal dehydration, baking, broken, milling especially adds coupling agent containing sulfydryl to enter
Row mashing, so as to obtain the special control taste supporting material of reclaimed rubber.The mineral that the present invention is used are easy to get, and cost is low, operating procedure
Simply, it is easily controlled, and taste removal is held time length, convenient use, suitable for industrially large-scale application.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
The present embodiment is related to a kind of production method of the special control taste mineral supporting material of reclaimed rubber, by following steps group
Into：
Step one, attapulgite clay, Yi Meng clays, kaolin raw ore are dried to moisture weight content 20% according to weight
Amount is mixed than the ︰ 1 of 8 ︰ 1, the granulate mixture for being 2mm into particle diameter with disintegrating machine coarse crushing, is sprayed water and is adjusted to granulate mixture
It is 40% to moisture weight content, carries out being squeezed into laminated clay mixture with spacing 2mm three-roller；
Step 2, laminated clay mixture was stacked more than 15 days, dries to moisture weight content 10%, then will dry
Laminated clay mixture and water afterwards is put into stainless steel troughing according to the ︰ 10 of weight ratio 1, plus equivalent to the laminated clay after drying
The calgon of mixture weight 1% and the coupling agent containing sulfydryl equivalent to the laminated clay mixture weight 3% after drying
(γ mercaptopropyitrimethoxy silane), mashing, mulser high speed shear 2 hours, 80MPa high pressure homogenizers processing obtains breast
Turbid liquid；
Step 3, by emulsion by cyclone classification after, centrifuge dewatering, obtain biscuit；
Step 4, biscuit is dried to moisture weight content≤1% using rotary kiln within 200 DEG C, then broken
It is broken, the stearic acid equivalent to the biscuit weight 1% after drying is added, is mixed, milling, ultra-fine grinding obtains reclaimed rubber special
Control taste supporting material.
Embodiment 2
The present embodiment is related to a kind of production method of the special control taste mineral supporting material of reclaimed rubber, by following steps group
Into：
Step one, attapulgite clay, Yi Meng clays, kaolin raw ore are dried to moisture weight content 15% according to weight
Amount is mixed than the ︰ 1 of 8 ︰ 1, the granulate mixture for being 3mm into particle diameter with disintegrating machine coarse crushing, is sprayed water and is adjusted to granulate mixture
It is 41% to moisture weight content, carries out being squeezed into laminated clay mixture with spacing 1mm three-roller；
Step 2, laminated clay mixture was stacked more than 15 days, dries to moisture weight content 15%, then will dry
Laminated clay mixture and water afterwards is put into stainless steel troughing according to the ︰ 10 of weight ratio 1, plus equivalent to the laminated clay after drying
The calgon of mixture weight 1% and the coupling agent containing sulfydryl equivalent to the laminated clay mixture weight 3% after drying
(γ mercaptopropyitrimethoxy silane), mashing, mulser high speed shear 2 hours, 80MPa high pressure homogenizers processing obtains breast
Turbid liquid；
Step 3, by emulsion by cyclone classification after, centrifuge dewatering, obtain biscuit；
Step 4, biscuit is dried to moisture weight content≤1% using rotary kiln within 200 DEG C, then broken
It is broken, the stearic acid equivalent to the biscuit weight 1% after drying is added, is mixed, milling, ultra-fine grinding obtains reclaimed rubber special
Control taste supporting material.
Embodiment 3
The present embodiment is related to a kind of production method of the special control taste mineral supporting material of reclaimed rubber, by following steps group
Into：
Step one, attapulgite clay, Yi Meng clays, kaolin raw ore are dried to moisture weight content 10% according to weight
Amount is mixed than the ︰ 1 of 8 ︰ 1, the granulate mixture for being 4mm into particle diameter with disintegrating machine coarse crushing, is sprayed water and is adjusted to granulate mixture
It is 42% to moisture weight content, carries out being squeezed into laminated clay mixture with spacing 2mm three-roller；
Step 2, laminated clay mixture was stacked more than 15 days, dries to moisture weight content 20%, then will dry
Laminated clay mixture and water afterwards is put into stainless steel troughing according to the ︰ 10 of weight ratio 1, plus equivalent to the laminated clay after drying
The calgon of mixture weight 1% and the coupling agent containing sulfydryl equivalent to the laminated clay mixture weight 3% after drying
(γ mercaptopropyitrimethoxy silane), mashing, mulser high speed shear 2 hours, 80MPa high pressure homogenizers processing obtains breast
Turbid liquid；
Step 3, by emulsion by cyclone classification after, centrifuge dewatering, obtain biscuit；
Step 4, biscuit is dried to moisture weight content≤1% using rotary kiln within 200 DEG C, then broken
It is broken, the stearic acid equivalent to the biscuit weight 1% after drying is added, is mixed, milling, ultra-fine grinding obtains reclaimed rubber special
Control taste supporting material.
Embodiment 4
The present embodiment is related to a kind of production method of the special control taste mineral supporting material of reclaimed rubber, by following steps group
Into：
Step one, attapulgite clay, Yi Meng clays, kaolin raw ore are dried to moisture weight content 5% according to weight
Amount is mixed than the ︰ 1 of 8 ︰ 1, the granulate mixture for being 2mm into particle diameter with disintegrating machine coarse crushing, is sprayed water and is adjusted to granulate mixture
It is 38% to moisture weight content, carries out being squeezed into laminated clay mixture with spacing 1mm three-roller；
Step 2, laminated clay mixture was stacked more than 15 days, dries to moisture weight content 5%, then will dry
Laminated clay mixture and water afterwards is put into stainless steel troughing according to the ︰ 10 of weight ratio 1, plus equivalent to the laminated clay after drying
The calgon of mixture weight 1% and the coupling agent containing sulfydryl equivalent to the laminated clay mixture weight 3% after drying
(γ mercaptopropyitrimethoxy silane), mashing, mulser high speed shear 2 hours, 80MPa high pressure homogenizers processing obtains breast
Turbid liquid；
Step 3, by emulsion by cyclone classification after, centrifuge dewatering, obtain biscuit；
Step 4, biscuit is dried to moisture weight content≤1% using rotary kiln within 200 DEG C, then broken
It is broken, the stearic acid equivalent to the biscuit weight 1% after drying is added, is mixed, milling, ultra-fine grinding obtains reclaimed rubber special
Control taste supporting material.
Embodiment 5
The present embodiment is related to a kind of production method of the special control taste mineral supporting material of reclaimed rubber, by following steps group
Into：
Step one, attapulgite clay, Yi Meng clays, kaolin raw ore are dried to moisture weight content 20% according to weight
Amount is mixed than the ︰ 1 of 8 ︰ 1, the granulate mixture for being 3mm into particle diameter with disintegrating machine coarse crushing, is sprayed water and is adjusted to granulate mixture
It is 39% to moisture weight content, carries out being squeezed into laminated clay mixture with spacing 2mm three-roller；
Step 2, laminated clay mixture was stacked more than 15 days, dries to moisture weight content 10%, then will dry
Laminated clay mixture and water afterwards is put into stainless steel troughing according to the ︰ 10 of weight ratio 1, plus equivalent to the laminated clay after drying
The calgon of mixture weight 1% and the coupling agent containing sulfydryl equivalent to the laminated clay mixture weight 3% after drying
(γ mercaptopropyitrimethoxy silane), mashing, mulser high speed shear 2 hours, 80MPa high pressure homogenizers processing obtains breast
Turbid liquid；
Step 3, by emulsion by cyclone classification after, centrifuge dewatering, obtain biscuit；
Step 4, biscuit is dried to moisture weight content≤1% using rotary kiln within 200 DEG C, then broken
It is broken, the stearic acid equivalent to the biscuit weight 1% after drying is added, is mixed, milling, ultra-fine grinding obtains reclaimed rubber special
Control taste supporting material.
Comparative example 1
The difference of this comparative example and embodiment 1 is：In step 2, coupling agent containing sulfydryl is not added with.
Comparative example 2
The difference of this comparative example and embodiment 2 is：In step 2, coupling agent containing sulfydryl is not added with.
Comparative example 3
The difference of this comparative example and embodiment 3 is：In step 2, coupling agent containing sulfydryl is not added with.
Comparative example 4
The difference of this comparative example and embodiment 4 is：In step 2, coupling agent containing sulfydryl is not added with.
Comparative example 5
The difference of this comparative example and embodiment 5 is：In step 2, coupling agent containing sulfydryl is not added with.
Detection results
Implement above-described embodiment 1-5 and comparative example 1-5 respectively and obtain sample, in reclaimed rubber process, by these
Sample is added in reclaimed rubber according to the ratio of reclaimed rubber raw material gross weight 1 ‰, then by the reclaimed rubber of acquisition in room
Stood under the conditions of temperature, count the time that each reclaimed rubber sample remains tasteless, each experiment is repeated five times, takes its average value to enter
Row is calculated, and acquired results are as shown in table 1 below.
The embodiment 1-5 of table 1 and comparative example 1-5 result
From the tasteless time of the maintenance in upper table 1, embodiment 1-5 at 371~406 days, and comparative example 1-5 maintenance
The tasteless time, the rubber plastic deodorant that CN103756008A is provided was able to maintain that the tasteless time is at 118~197 days
116 days.Relative to comparative example, maintain tasteless time lengthening amplitude substantially in embodiment 1-5, the behaviour in service of reclaimed rubber is obtained
It must improve, illustrate the reclaimed rubber control taste supporting material for adding coupling agent containing sulfydryl to be obtained after being beaten in step 2 for again
The taste removal effect of raw rubber has material impact, especially in step 2, adds and is glued equivalent to the sheet after drying when mashing
During coupling agent containing sulfydryl (γ mercaptopropyitrimethoxy silane) of earth mixtures weight 3%, taste removal effect is more notable.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of production method of the special control taste mineral supporting material of reclaimed rubber, it is characterised in that comprise the following steps：
Step one, attapulgite clay, Yi Meng clays, kaolin raw ore are dried to moisture weight content≤20% and mixed
Close, with disintegrating machine coarse crushing into granulate mixture, sprayed water to the granulate mixture, is carried out being squeezed into laminated clay with three-roller mixed
Compound；
Step 2, the laminated clay mixture was stacked more than 15 days, dries to moisture weight content≤20%, then will dry in the air
Laminated clay mixture and water after solarization are put into stainless steel troughing, plus calgon and coupling agent containing sulfydryl, are beaten, emulsification
Machine high speed shear, high pressure homogenizer processing, obtains emulsion；
Step 3, by the emulsion by cyclone classification after, centrifuge dewatering, obtain biscuit；
Step 4, the biscuit is dried to moisture weight content≤1% using rotary kiln within 200 DEG C, then broken
It is broken, stearic acid is added, is mixed, milling, ultra-fine grinding obtains the special control taste supporting material of reclaimed rubber.
2. a kind of production method of the special control taste mineral supporting material of reclaimed rubber as claimed in claim 1, it is characterised in that
In step one, attapulgite clay, Yi Meng clays, kaolin raw ore after drying are mixed according to weight than the ︰ 1 of 8 ︰ 1.
3. a kind of production method of the special control taste mineral supporting material of reclaimed rubber as claimed in claim 1, it is characterised in that
In step one, the particle diameter of the granulate mixture is 3 ± 1mm.
4. a kind of production method of the special control taste mineral supporting material of reclaimed rubber as claimed in claim 1, it is characterised in that
In step one, it is 40 ± 2% to be adjusted to moisture weight content to granulate mixture water spray.
5. a kind of production method of the special control taste mineral supporting material of reclaimed rubber as claimed in claim 1, it is characterised in that
In step one, Jian Ju≤2mm of the three-roller.
6. a kind of production method of the special control taste mineral supporting material of reclaimed rubber as claimed in claim 1, it is characterised in that
In step 2, laminated clay mixture and water after the drying are put into stainless steel troughing according to the ︰ 10 of weight ratio 1.
7. a kind of production method of the special control taste mineral supporting material of reclaimed rubber as claimed in claim 1, it is characterised in that
In step 2, the consumption of the calgon is described to contain equivalent to 1% of the laminated clay mixture weight after the drying
3% of the consumption of sulfydryl coupling agent equivalent to the laminated clay mixture weight after the drying.
8. a kind of production method of the special control taste mineral supporting material of reclaimed rubber as claimed in claim 1, it is characterised in that
In step 2, the time of the mulser high speed shear is 2 hours.
9. a kind of production method of the special control taste mineral supporting material of reclaimed rubber as claimed in claim 1, it is characterised in that
In step 2, the pressure of the high pressure homogenizer processing is 80MPa.
10. a kind of production method of the special control taste mineral supporting material of reclaimed rubber as claimed in claim 1, its feature exists
In, in step 4,1% of the stearic consumption equivalent to the biscuit weight after the drying.
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| CN109054141A (en) * | 2018-07-23 | 2018-12-21 | 刘荣 | A kind of eliminating smell agent and its preparation method and application for reclaimed rubber |
| CN109306117A (en) * | 2018-09-06 | 2019-02-05 | 江苏圣纳米科技有限公司 | Dedicated suppression taste enhancing additive of a kind of micro-foaming polypropylene and preparation method thereof |
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|---|---|---|---|---|
| CN1510088A (en) * | 2002-12-24 | 2004-07-07 | 中国矿业大学（北京校区） | Nanometer kaolinite powder and preparing method thereof |
| CN103131213A (en) * | 2011-11-22 | 2013-06-05 | 南京亚东奥土矿业有限公司 | Preparation method of attapulgite-based rubber plastic smell removing agent and application thereof |
| CN104530510A (en) * | 2015-01-21 | 2015-04-22 | 江苏玖川纳米材料科技有限公司 | Preparation process of special nano-short fiber material for emulsion polymerized butyronitrile |
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2015
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| CN1510088A (en) * | 2002-12-24 | 2004-07-07 | 中国矿业大学（北京校区） | Nanometer kaolinite powder and preparing method thereof |
| CN103131213A (en) * | 2011-11-22 | 2013-06-05 | 南京亚东奥土矿业有限公司 | Preparation method of attapulgite-based rubber plastic smell removing agent and application thereof |
| CN104530510A (en) * | 2015-01-21 | 2015-04-22 | 江苏玖川纳米材料科技有限公司 | Preparation process of special nano-short fiber material for emulsion polymerized butyronitrile |
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