CN107868478A - A kind of environment-friendly rubber softening oil and preparation method thereof - Google Patents
A kind of environment-friendly rubber softening oil and preparation method thereof Download PDFInfo
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- CN107868478A CN107868478A CN201711328612.3A CN201711328612A CN107868478A CN 107868478 A CN107868478 A CN 107868478A CN 201711328612 A CN201711328612 A CN 201711328612A CN 107868478 A CN107868478 A CN 107868478A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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Abstract
The invention provides a kind of environment-friendly rubber softening oil, it is made up of refined mineral oil and oxidized asphalt, the mass ratio 2.5 3.5 of described refined mineral oil and oxidized asphalt：1.2‑1.5.The preparation method of above-mentioned environment-friendly rubber softening oil is additionally provided, mineral oil is evaporated under reduced pressure, takes 280 340 DEG C of cut, adds catalyst, carries out high-pressure hydrogenation reaction, products therefrom is added clay-filtered, vacuum filter obtains refined mineral oil；Bitumen vacuum is distilled, takes 270 330 DEG C of cut, aoxidizes to obtain oxidized asphalt；Obtained refined mineral oil is mixed and stirred for oxidized asphalt at 50 80 DEG C.The high virtue oil of the property of softening, compatibility and intermiscibility and old product of this product is close, but due to being free of or containing only micro polycyclic aromatic hydrocarbon, non-carcinogenesis, to human body and environmental nonpollution, reaching the requirement of environmentally-frierubber rubber filling oil.
Description
Technical field
The invention belongs to chemical field, is related to a kind of rubber additive, specifically a kind of environment-friendly rubber softening oil
And preparation method thereof.
Background technology
Domestic rubber processing enterprise almost all uses softening oil of the Extending oil as unsaturated rubber, although it
There have to be good with the compatibility of rubber, cheap, but because it contains substantial amounts of polycyclic fused ring aromatic hydrocarbons, human body and environmental pollution are endangered
Evil is very big.The rubber tyre of European market has not had to high aromatic oil filling at present.Therefore exploitation environment-friendly rubber softening oil becomes
It is quite urgent, and product has wide market prospects.
The development trend of rubber oil is environmental protection, health and safety, without carcinogenic substance, pollution-free, satisfaction in the world at present
The product of " green " environmental requirement, therefore application development of the environmentally-frierubber rubber filling oil in future will occupy the leading of Rubber market
Status.
The content of the invention
It is an object of the invention to provide a kind of environment-friendly rubber softening oil and preparation method thereof, described this environment-friendly type rubber
Gum softening oil and preparation method thereof will solve the skill that is carcinogenic, having pollution to environment easy to human body of rubber softening oil in the prior art
Art problem.
The invention provides a kind of environment-friendly rubber softening oil, it is made up of refined mineral oil and oxidized asphalt, described essence
The mass ratio 2.5-3.5 of mineral oil and oxidized asphalt processed：1.2-1.5.
Further, the mass ratio 3 of described refined mineral oil and oxidized asphalt：1.3.
Present invention also offers a kind of preparation method of above-mentioned environment-friendly rubber softening oil, comprise the following steps：
1) mineral oil is evaporated under reduced pressure under conditions of vacuum is 700-740mmHg, temperature is 220-260 DEG C, taken
280-340 DEG C of cut, catalyst is added, the quality of described catalyst is the 5-12wt% of cut quality, in Hydrogen Vapor Pressure
For 50-70Kpa, flow 12-15m3/ h, reaction temperature are 380 ± 5 DEG C, the reaction pressure of reactor is 10~15MPa conditions
Lower carry out hydrogenation reaction, products therefrom is added into atlapulgite, the quality of described atlapulgite is the 2- of products therefrom quality
10wt%, in 120-180 DEG C of Refining times 1-3h, vacuum filter obtains refined mineral oil；
2) pitch is evaporated under reduced pressure under conditions of vacuum is 750mmHg, temperature is 350 ± 20 DEG C, takes 270-330 DEG C
Cut, temperature be 150-180 DEG C, air mass flow 5-10m35-8h is aoxidized under conditions of/h, gained oxidized asphalt is put down
Average molecular weight is controlled between 500-700；
3) oxidized asphalt that the refined mineral oil for obtaining step 1) obtains with step 2) is with mass ratio 2.5-3.5：1.2-
1.5 mix under conditions of 50-80 DEG C and stir 1-2h with mixing speed 60-80r/min, obtain environment-friendly rubber softening oil and arrive.
Further, described pitch is to obtain vacuum tower base oil after propane deasphalting PROCESS FOR TREATMENT.
Further, the mineral oil in step 1) is naphthenic oil.
Further, the definition of described naphthenic oil be %Cp values between 42-50, it is former that Cp values refer to carbon on alkyl side chain
Son accounts for the percentage of the total carbon number of whole molecule.Specifically, described naphthenic oil contains 5,6,7 carboatomic rings (preferably 6
Carboatomic ring).
Further, the catalyst in step 1) is modified aluminas.
Further, described modified aluminas is the Y-6 type modified alumina catalysts of Lanzhou Petrochemical Company production.
Invention removes polycyclic, the condensed-nuclei aromatics being harmful in mineral oil so that the softening performance of product, the performance that mixes phase
To reducing, but the present invention adds low molecule oxidized asphalt matter wherein, improves the intermiscibility with rubber and non-toxic, nothing
Carcinogenic danger, products obtained therefrom softening and near with the compatibility of rubber and the fragrant oil phase of height.The environment-friendly rubber softening of the present invention
Oil can be used for butadiene-styrene rubber (SBR), neoprene (CR), natural rubber (NR), isoprene rubber (IR), polybutadiene rubber
The filling processing of glue (BR).
The present invention compares with prior art, and its technological progress is positive and obvious.The present invention and the high fragrant oil phase of old product
Than the property of softening, compatibility and intermiscibility are constant or close, but the polycyclic aromatic hydrocarbon due to being free of or containing only micro (being less than 5%), nothing
Carcinogenicity, to human body and environmental nonpollution, reach the requirement of environmentally-frierubber rubber filling oil.The present invention is not influenceing rubber softening oil
On the premise of performance, by adding the aromatic hydrocarbons component of harmless low ring, harmful polycyclic fused ring aromatic hydrocarbons is maximumlly removed, to subtract
Few environmental pollution.
Embodiment：
The invention will be further described with reference to embodiments.
Embodiment 1
A kind of preparation method of environment-friendly rubber softening oil, is concretely comprised the following steps：
The first step, naphthenic oil is evaporated under reduced pressure under conditions of vacuum is 700mmHg, temperature is 220 DEG C, takes 280-
340 DEG C of cut (more than 220 DEG C of open flash point), add the Y-6 type modified alumina catalysts of Lanzhou Petrochemical Company production, institute
The quality for the aluminium oxide catalyst stated be cut quality 5wt%, Hydrogen Vapor Pressure be 50Kpa, flow 12m3/ h, reaction temperature
The reaction pressure spent for 385 DEG C, reactor carries out hydrogenation reaction under conditions of being 10MPa, and products therefrom is added into carclazyte, carclazyte
Quality be products therefrom quality 2wt%, in 120 DEG C of Refining times 1h, vacuum filter obtains refined mineral oil；
Second step, in vacuum tower base oil with weight than 5：1 adds propane, stands liquid separation after stirring, obtains lower floor's pitch group
Part, pitch component is evaporated under reduced pressure under conditions of vacuum is 750mmHg, temperature is 370 DEG C, takes 270-330 DEG C of cut,
Temperature be 150 DEG C, air mass flow 5m35h is aoxidized under conditions of/h, the mean molecule quantity control of gained oxidized asphalt exists
Between 500-700；
The oxidized asphalt that 3rd step, the refined mineral oil for obtaining the first step obtain with second step is with weight than 2.5：1.2
Environment-friendly rubber softening oil is obtained in 50 DEG C of mixing and with speed 60r/min stirrings 1h.
Embodiment 2
A kind of preparation method of environment-friendly rubber softening oil, is concretely comprised the following steps：
The first step, naphthenic oil is evaporated under reduced pressure under conditions of vacuum is 740mmHg, temperature is 260 DEG C, takes 280-
340 DEG C of cut (more than 220 DEG C of open flash point), add the Y-6 type modified alumina catalysts of Lanzhou Petrochemical Company production, institute
The quality for the aluminium oxide catalyst stated is cut quality 12wt%, Hydrogen Vapor Pressure be 70Kpa, flow 15m3/ h, reaction temperature
Spend under conditions of 375 DEG C, the reaction pressure of reactor be that 12MPa carries out hydrogenation reaction, products therefrom is added into carclazyte, carclazyte
Quality be products therefrom quality 10wt%, refine 3h in 180 DEG C of times, vacuum filter obtains refined mineral oil；
Second step, in vacuum tower base oil with weight than 10：3 add propane, stand liquid separation after stirring, obtain lower floor's pitch group
Part, pitch component is evaporated under reduced pressure under conditions of vacuum is 750mmHg, temperature is 330 DEG C, takes 270-330 DEG C of cut,
Temperature be 180 DEG C, air mass flow 10m38h is aoxidized under conditions of/h, the mean molecule quantity control of gained oxidized asphalt exists
Between 500-700；
The oxidized asphalt that 3rd step, the refined mineral oil for obtaining the first step obtain with second step is with weight than 3.5：1.5
Environment-friendly rubber softening oil is obtained in 80 DEG C of mixing and with speed 80r/min stirrings 2h.
Embodiment 3
A kind of preparation method of environment-friendly rubber softening oil, is concretely comprised the following steps：
The first step, naphthenic oil is evaporated under reduced pressure under conditions of vacuum is 720mmHg, temperature is 240 DEG C, takes 280-
340 DEG C of cut (more than 220 DEG C of open flash point), add the Y-6 type modified alumina catalysts of Lanzhou Petrochemical Company production, institute
The quality for the aluminium oxide catalyst stated is cut quality 10wt%, Hydrogen Vapor Pressure be 60Kpa, flow 13.5m3/ h, reaction
High-pressure hydrogenation reaction is carried out under the conditions of temperature is 380 DEG C, the reaction pressure of reactor is 15MPa, products therefrom is added into carclazyte,
The quality of carclazyte is the 5wt% of products therefrom quality, refines 2h in 150 DEG C of times, vacuum filter obtains refined mineral oil；
Second step, in vacuum tower base oil with weight than 4：1 adds propane, stands liquid separation after stirring, obtains lower floor's pitch, will
Pitch is evaporated under reduced pressure under conditions of vacuum is 750mmHg, temperature is 350 DEG C, is taken 270-330 DEG C of cut, is in temperature
165 DEG C, air mass flow 7.5m36.5h is aoxidized under conditions of/h, the mean molecule quantity of gained oxidized asphalt is controlled in 500-700
Between；
The oxidized asphalt that 3rd step, the refined mineral oil for obtaining the first step obtain with second step is with weight than 3：1.3
65 DEG C of mixing simultaneously stir 1.5h with speed 70r/min.
Every physical and chemical index is shown in Table 1.
Table 1
It is of the invention to be relatively shown in Table 2 with each physical and chemical performance of traditional rubber oil
Table 2
As can be seen from Table 2 with, the present invention compared with external import rubber oil, traditional rubber oil, there is higher pH value, more
In the long antirust cycle, operating cost is saved；In addition the present invention is free of or the polycyclic aromatic hydrocarbon containing only micro (be less than 5%), no cause
It is carcinous, to human body and environmental nonpollution, reach the requirement of environmentally-frierubber rubber filling oil.
Claims (7)
- A kind of 1. environment-friendly rubber softening oil, it is characterised in that：It is made up of refined mineral oil and oxidized asphalt, described refined ore deposit The mass ratio 2.5-3.5 of thing oil and oxidized asphalt：1.2-1.5.
- A kind of 2. environment-friendly rubber softening oil according to claim 1, it is characterised in that：Described refined mineral oil and oxygen Change the mass ratio 3 of pitch：1.3.
- A kind of 3. method for preparing the environment-friendly rubber softening oil described in claim 1, it is characterised in that：Comprise the following steps：1) mineral oil is evaporated under reduced pressure under conditions of vacuum is 700-740mmHg, temperature is 220-260 DEG C, takes 280-340 DEG C cut, add catalyst, the quality of described catalyst is the 5-12wt% of cut quality, is 50- in Hydrogen Vapor Pressure 70Kpa, flow 12-15m3/ h, reaction temperature are 380 ± 5 DEG C, the reaction pressure of reactor is entered under the conditions of being 10~15MPa Row hydrogenation reaction, products therefrom is added into atlapulgite, the quality of described atlapulgite is the 2- of products therefrom quality 10wt%, in 120-180 DEG C of Refining times 1-3h, vacuum filter obtains refined mineral oil；2) pitch is evaporated under reduced pressure under conditions of vacuum is 750mmHg, temperature is 350 ± 20 DEG C, takes 270-330 DEG C to evaporate Point, temperature be 150-180 DEG C, air mass flow 5-10m35-8h, the average mark of gained oxidized asphalt are aoxidized under conditions of/h Son amount control is between 500-700；3) oxidized asphalt that the refined mineral oil for obtaining step 1) obtains with step 2) is with mass ratio 2.5-3.5：1.2-1.5 Mixed under conditions of 50-80 DEG C and 1-2h is stirred with mixing speed 60-80r/min, obtained environment-friendly rubber softening oil and arrive.
- 4. a kind of method for preparing environment-friendly rubber softening oil as claimed in claim 3, it is characterised in that described pitch is Vacuum tower base oil is obtained after traditional propane deasphalting PROCESS FOR TREATMENT.
- A kind of 5. method for preparing environment-friendly rubber softening oil as claimed in claim 3, it is characterised in that the ore deposit in step 1) Thing oil is naphthenic oil, the definition of naphthenic oil be %Cp values between 42-50, the carbon atom that Cp values refer on alkyl side chain accounts for whole point The percentage of sub total carbon number, naphthenic oil contain 5,6,7 carboatomic rings.
- A kind of 6. method for preparing environment-friendly rubber softening oil as claimed in claim 3, it is characterised in that urging in step 1) Agent is modified aluminas.
- A kind of 7. method for preparing environment-friendly rubber softening oil as claimed in claim 6, it is characterised in that described modification oxygen Change the Y-6 type modified alumina catalysts that aluminium is Lanzhou Petrochemical Company production.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109627787A (en) * | 2018-10-29 | 2019-04-16 | 赵建平 | A kind of preparation method of low viscosity rubber oil |
| CN110903668A (en) * | 2019-12-19 | 2020-03-24 | 中化泉州能源科技有限责任公司 | High-temperature-resistant modified asphalt composition and preparation method thereof |
| CN112500709A (en) * | 2020-10-10 | 2021-03-16 | 江苏浩淼兴阳新材料有限公司 | Environment-friendly rubber oil and preparation method thereof |
| CN113583710A (en) * | 2021-08-11 | 2021-11-02 | 磁悬浮润滑油(苏州)有限公司 | Preparation method of rubber softening oil |
| WO2022052436A1 (en) * | 2020-09-14 | 2022-03-17 | 江苏麒祥高新材料有限公司 | Environmentally friendly rubber oil preparation method, and prepared environmentally friendly rubber oil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471557A (en) * | 2001-12-28 | 2004-01-28 | 株式会社普利司通 | Rubber composition |
| CN101560330A (en) * | 2009-06-01 | 2009-10-21 | 上海富沃地润滑油有限公司 | Method for producing environment-friendly rubber softening oil |
-
2017
- 2017-12-13 CN CN201711328612.3A patent/CN107868478A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471557A (en) * | 2001-12-28 | 2004-01-28 | 株式会社普利司通 | Rubber composition |
| CN101560330A (en) * | 2009-06-01 | 2009-10-21 | 上海富沃地润滑油有限公司 | Method for producing environment-friendly rubber softening oil |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109627787A (en) * | 2018-10-29 | 2019-04-16 | 赵建平 | A kind of preparation method of low viscosity rubber oil |
| CN109627787B (en) * | 2018-10-29 | 2021-01-12 | 太仓港亨得蕾实业有限公司 | Preparation method of low-viscosity rubber oil |
| CN110903668A (en) * | 2019-12-19 | 2020-03-24 | 中化泉州能源科技有限责任公司 | High-temperature-resistant modified asphalt composition and preparation method thereof |
| WO2022052436A1 (en) * | 2020-09-14 | 2022-03-17 | 江苏麒祥高新材料有限公司 | Environmentally friendly rubber oil preparation method, and prepared environmentally friendly rubber oil |
| CN112500709A (en) * | 2020-10-10 | 2021-03-16 | 江苏浩淼兴阳新材料有限公司 | Environment-friendly rubber oil and preparation method thereof |
| CN113583710A (en) * | 2021-08-11 | 2021-11-02 | 磁悬浮润滑油(苏州)有限公司 | Preparation method of rubber softening oil |
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Application publication date: 20180403 |