CN107033418A - A kind of rubber framework grease seal and preparation method thereof - Google Patents
A kind of rubber framework grease seal and preparation method thereof Download PDFInfo
- Publication number
- CN107033418A CN107033418A CN201710325953.9A CN201710325953A CN107033418A CN 107033418 A CN107033418 A CN 107033418A CN 201710325953 A CN201710325953 A CN 201710325953A CN 107033418 A CN107033418 A CN 107033418A
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- parts
- rubber
- grease seal
- kaolin
- diphenyl
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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
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/12—Materials for stopping leaks, e.g. in radiators, in tanks
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Lubricants (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of rubber framework grease seal and preparation method thereof, wherein, rubber framework grease seal is made up of following raw material by weight：0.1 0.3 parts of 32 43 parts of neoprene, 58 parts of butadiene rubber, 1.5 2.2 parts of tetramethyl thiourea, 2.5 3.2 parts of acetylacetone,2,4-pentanedione, 1.5 2 parts of coal tar, 0.8 1.5 parts of graphite, 12 parts of alumina powder, 13 parts of kaolin, 13 parts of phosphorous vinegar, 0.5 0.8 parts of N N` diphenyl-para-phenylene diamines, 0.1 0.3 parts of ether and toluene.Gained rubber framework grease seal possesses the performance such as higher anti-aging, wear-resisting, and oil leakage phenomenon can be prevented for a long time.
Description
Technical field
The present invention relates to rubber field, more particularly to a kind of rubber framework grease seal and preparation method thereof.
Background technology
Oil sealing be for oil sealing (oil is most common liquid substance in transmission system, also refer to general liquid substance it
Meaning) mechanical organ, it isolates the part that lubrication is needed in drive disk assembly with part of exerting oneself, and is unlikely to allow oil seepage.
Therefore, oil sealing, which is generally required, possesses wear-resisting, anti-aging and corrosion resistance, resists while must possess certain high intensity
Property.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of rubber framework grease seal and preparation method thereof, it has well wear-resisting, anti-
Aging and the performance such as corrosion-resistant, while having good high intensity resistance.
To achieve the above object, on the one hand, the invention provides a kind of rubber framework grease seal, by weight by following original
Material is made：32-43 parts of neoprene, 5-8 parts of butadiene rubber, 1.5-2.2 parts of tetramethyl thiourea, 2.5-3.2 parts of acetylacetone,2,4-pentanedione, coal
1.5-2 parts of tar, 0.8-1.5 parts of graphite, 1-2 parts of alumina powder, 1-3 parts of kaolin, 1-3 parts of phosphorous vinegar, N-N`- hexichol
0.1-0.3 parts of base -0.5-0.8 parts of p-phenylenediamine, 0.1-0.3 parts of ether and toluene.
It is preferred that, in such scheme, rubber framework grease seal is made up of following raw material by weight：32 parts of neoprene,
5 parts of butadiene rubber, 1.5 parts of tetramethyl thiourea, 2.5 parts of acetylacetone,2,4-pentanedione, 1.5 parts of coal tar, 0.8 part of graphite, 1 part of alumina powder,
0.1 part of 1 part of kaolin, 1 part of phosphorous vinegar, 0.5 part of N-N`- diphenyl-p-phenylenediamines, 0.1 part of ether and toluene.
It is preferred that, in such scheme, rubber framework grease seal is made up of following raw material by weight：38 parts of neoprene,
7 parts of butadiene rubber, 1.8 parts of tetramethyl thiourea, 2.8 parts of acetylacetone,2,4-pentanedione, 1.8 parts of coal tar, 1.2 parts of graphite, 2 parts of alumina powder,
0.2 part of 2 parts of kaolin, 2 parts of phosphorous vinegar, 0.6 part of N-N`- diphenyl-p-phenylenediamines, 0.2 part of ether and toluene.
To achieve the above object, on the other hand, the invention provides a kind of preparation method of rubber framework grease seal, including with
Lower step：
1) by neoprene, butadiene rubber, tetramethyl thiourea, graphite, alumina powder, kaolin, phosphorous vinegar, N-N`-
Diphenyl-p-phenylenediamine, ether and toluene mixing, are heated to 70-80 ° of duration for 2-3min.
2) by step 1) in heating raw material and acetylacetone,2,4-pentanedione, coal tar, N-N`- diphenyl-p-phenylenediamines be added to and stir
Mix in kettle, temperature is 60-65 °, under 700-800r/min speed conditions, stir 20-25min；
3) finally by step 2) in material add injection machine plasticizing after, rubber just can be made in injected plastic pipe shaping mould
Outside framework oil seal.
Compared with prior art, the present invention has the advantages that：
Rubber framework grease seal and preparation method thereof in the present invention, by neoprene and butadiene rubber and graphite, alumina powder
And kaolin is combined, so that the wearability and anti-high intensity of rubber are improved, while adding phosphorous vinegar, N-N`- diphenyl-right
After phenylenediamine, ether and toluene so that the performance such as good anti-aging of gained rubber framework grease seal.
Embodiment
It is described in detail with reference to the embodiment of the present invention, it is to be understood that protection scope of the present invention is simultaneously
Do not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise statement part, and do not exclude other parts.
Embodiment 1：
A kind of rubber framework grease seal according to the preferred embodiment of the present invention, is made up of following raw material by weight：Chlorine
43 parts of buna, 8 parts of butadiene rubber, 2.2 parts of tetramethyl thiourea, 3.2 parts of acetylacetone,2,4-pentanedione, 2 parts of coal tar, 1.5 parts of graphite, oxidation
0.3 part of 2 parts of aluminium powder, 3 parts of kaolin, 3 parts of phosphorous vinegar, 0.8 part of N-N`- diphenyl-p-phenylenediamines, 0.3 part of ether and toluene.
In the embodiment, the preparation method of rubber framework grease seal comprises the following steps：
1) by neoprene, butadiene rubber, tetramethyl thiourea, graphite, alumina powder, kaolin, phosphorous vinegar, N-N`-
Diphenyl-p-phenylenediamine, ether and toluene mixing, are heated to 80 ° of duration for 3min.
2) by step 1) in heating raw material and acetylacetone,2,4-pentanedione, coal tar, N-N`- diphenyl-p-phenylenediamines be added to and stir
Mix in kettle, temperature is 65 °, under 800r/min speed conditions, stir 25min；
3) finally by step 2) in material add injection machine plasticizing after, rubber just can be made in injected plastic pipe shaping mould
Outside framework oil seal.
Whereby, rubber framework grease seal and preparation method thereof in the present invention, by neoprene and butadiene rubber and graphite, oxidation
Aluminium powder and kaolin are combined, so that the wearability and anti-high intensity of rubber are improved, while adding phosphorous vinegar, N-N`- hexichol
After base-p-phenylenediamine, ether and toluene so that the performance such as good anti-aging of gained rubber framework grease seal.
Embodiment 2：
A kind of rubber framework grease seal according to the preferred embodiment of the present invention, is made up of following raw material by weight：Chlorine
32 parts of buna, 5 parts of butadiene rubber, 1.5 parts of tetramethyl thiourea, 2.5 parts of acetylacetone,2,4-pentanedione, 1.5 parts of coal tar, 0.8 part of graphite, oxygen
Change 1 part of aluminium powder, 1 part of kaolin, 1 part of phosphorous vinegar, 0.5 part of N-N`- diphenyl-p-phenylenediamines, 0.1 part of ether and toluene 0.1
Part.
In the embodiment, the preparation method of rubber framework grease seal comprises the following steps：
1) by neoprene, butadiene rubber, tetramethyl thiourea, graphite, alumina powder, kaolin, phosphorous vinegar, N-N`-
Diphenyl-p-phenylenediamine, ether and toluene mixing, are heated to 70 ° of duration for 2min.
2) by step 1) in heating raw material and acetylacetone,2,4-pentanedione, coal tar, N-N`- diphenyl-p-phenylenediamines be added to and stir
Mix in kettle, temperature is 60 °, under 700r/min speed conditions, stir 20min；
3) finally by step 2) in material add injection machine plasticizing after, rubber just can be made in injected plastic pipe shaping mould
Outside framework oil seal.
Whereby, rubber framework grease seal and preparation method thereof in the present invention, by neoprene and butadiene rubber and graphite, oxidation
Aluminium powder and kaolin are combined, so that the wearability and anti-high intensity of rubber are improved, while adding phosphorous vinegar, N-N`- hexichol
After base-p-phenylenediamine, ether and toluene so that the performance such as good anti-aging of gained rubber framework grease seal.
Embodiment 3：
A kind of rubber framework grease seal according to the preferred embodiment of the present invention, is made up of following raw material by weight：Chlorine
38 parts of buna, 7 parts of butadiene rubber, 1.8 parts of tetramethyl thiourea, 2.8 parts of acetylacetone,2,4-pentanedione, 1.8 parts of coal tar, 1.2 parts of graphite, oxygen
Change 2 parts of aluminium powder, 2 parts of kaolin, 2 parts of phosphorous vinegar, 0.6 part of N-N`- diphenyl-p-phenylenediamines, 0.2 part of ether and toluene 0.2
Part.
In the embodiment, the preparation method of rubber framework grease seal comprises the following steps：
1) by neoprene, butadiene rubber, tetramethyl thiourea, graphite, alumina powder, kaolin, phosphorous vinegar, N-N`-
Diphenyl-p-phenylenediamine, ether and toluene mixing, are heated to 75 ° of duration for 3min.
2) by step 1) in heating raw material and acetylacetone,2,4-pentanedione, coal tar, N-N`- diphenyl-p-phenylenediamines be added to and stir
Mix in kettle, temperature is 62 °, under 750r/min speed conditions, stir 23min；
3) finally by step 2) in material add injection machine plasticizing after, rubber just can be made in injected plastic pipe shaping mould
Outside framework oil seal.
Whereby, rubber framework grease seal and preparation method thereof in the present invention, by neoprene and butadiene rubber and graphite, oxidation
Aluminium powder and kaolin are combined, so that the wearability and anti-high intensity of rubber are improved, while adding phosphorous vinegar, N-N`- hexichol
After base-p-phenylenediamine, ether and toluene so that the performance such as good anti-aging of gained rubber framework grease seal.
Comparative example：
Rubber framework grease seal in comparative example, is made up of following raw material by weight：38 parts of natural rubber, neoprene
5 parts, 5 parts of butadiene rubber, 2 parts of activating agent, 2 parts of accelerator, 2 parts of softening agent, 4 parts of filler, 2 parts of stabilizer and age resistor 2
Part.Wherein, above-mentioned adjuvant is existing, and different from the application, and preparation method is also existing method.
Test example：Performance evaluation is carried out using rubber framework grease seal of the present invention and comparative example, the oil sealing of the present embodiment is used
In in petrol engine, 1 is specifically shown in Table：
Table 1 carries out performance evaluation using rubber framework grease seal of the present invention with comparative example
As it can be seen from table 1 rubber framework grease seal obtained by 1-3 of the embodiment of the present invention possesses higher anti-aging, wear-resisting etc.
Performance so that the service life of oil sealing is permanent.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (4)
1. a kind of rubber framework grease seal, it is characterised in that be made up by weight of following raw material：It is 32-43 parts of neoprene, suitable
5-8 parts of buna, 1.5-2.2 parts of tetramethyl thiourea, 2.5-3.2 parts of acetylacetone,2,4-pentanedione, 1.5-2 parts of coal tar, graphite 0.8-1.5
Part, 1-2 parts of alumina powder, 1-3 parts of kaolin, 1-3 parts of phosphorous vinegar, 0.5-0.8 parts of N-N`- diphenyl-p-phenylenediamines, ether
0.1-0.3 parts and 0.1-0.3 parts of toluene.
2. rubber framework grease seal according to claim 1, it is characterised in that be made up by weight of following raw material：Chlorine
32 parts of buna, 5 parts of butadiene rubber, 1.5 parts of tetramethyl thiourea, 2.5 parts of acetylacetone,2,4-pentanedione, 1.5 parts of coal tar, 0.8 part of graphite, oxygen
Change 1 part of aluminium powder, 1 part of kaolin, 1 part of phosphorous vinegar, 0.5 part of N-N`- diphenyl-p-phenylenediamines, 0.1 part of ether and toluene 0.1
Part.
3. rubber framework grease seal according to claim 1, it is characterised in that be made up by weight of following raw material：Chlorine
38 parts of buna, 7 parts of butadiene rubber, 1.8 parts of tetramethyl thiourea, 2.8 parts of acetylacetone,2,4-pentanedione, 1.8 parts of coal tar, 1.2 parts of graphite, oxygen
Change 2 parts of aluminium powder, 2 parts of kaolin, 2 parts of phosphorous vinegar, 0.6 part of N-N`- diphenyl-p-phenylenediamines, 0.2 part of ether and toluene 0.2
Part.
4. the preparation method of the rubber framework grease seal described in a kind of claim 1, it is characterised in that comprise the following steps：
1) by neoprene, butadiene rubber, tetramethyl thiourea, graphite, alumina powder, kaolin, phosphorous vinegar, N-N`- hexichol
Base-p-phenylenediamine, ether and toluene mixing, are heated to 70-80 ° of duration for 2-3min.
2) by step 1) in heating raw material and acetylacetone,2,4-pentanedione, coal tar, N-N`- diphenyl-p-phenylenediamines be added to stirred tank
In, temperature is 60-65 °, under 700-800r/min speed conditions, stirs 20-25min；
3) finally by step 2) in material add injection machine plasticizing after, rubber skeleton just can be made in injected plastic pipe shaping mould
Oil sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325953.9A CN107033418A (en) | 2017-05-10 | 2017-05-10 | A kind of rubber framework grease seal and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325953.9A CN107033418A (en) | 2017-05-10 | 2017-05-10 | A kind of rubber framework grease seal and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107033418A true CN107033418A (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710325953.9A Pending CN107033418A (en) | 2017-05-10 | 2017-05-10 | A kind of rubber framework grease seal and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332771A (en) * | 1999-11-02 | 2002-01-23 | 电气化学工业株式会社 | Chloroprene-based rubber composition |
| CN103013007A (en) * | 2012-11-25 | 2013-04-03 | 马鞍山市中澜橡塑制品有限公司 | Rubber compound for rear oil seal of automobile crankshaft and preparation method of rubber |
| CN103335111A (en) * | 2013-04-03 | 2013-10-02 | 山东邦德橡塑科技有限公司 | Magnetic induction oil seal and manufacturing technique thereof |
| CN104277269A (en) * | 2014-09-16 | 2015-01-14 | 青岛市高科专利技术转移平台有限公司 | Rubber oil-proof valve oil seal |
-
2017
- 2017-05-10 CN CN201710325953.9A patent/CN107033418A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332771A (en) * | 1999-11-02 | 2002-01-23 | 电气化学工业株式会社 | Chloroprene-based rubber composition |
| CN103013007A (en) * | 2012-11-25 | 2013-04-03 | 马鞍山市中澜橡塑制品有限公司 | Rubber compound for rear oil seal of automobile crankshaft and preparation method of rubber |
| CN103335111A (en) * | 2013-04-03 | 2013-10-02 | 山东邦德橡塑科技有限公司 | Magnetic induction oil seal and manufacturing technique thereof |
| CN104277269A (en) * | 2014-09-16 | 2015-01-14 | 青岛市高科专利技术转移平台有限公司 | Rubber oil-proof valve oil seal |
Non-Patent Citations (3)
| Title |
|---|
| 《中国工业产品大辞典》编委会: "《中国工业产品大辞典》", 31 May 1988, 福建科学技术出版社 * |
| 任觉世: "《工业矿产资源开发利用手册》", 31 January 1993, 武汉工业大学出版社 * |
| 王进: "《轨道交通橡胶弹性元件配方分析和性能试验技术》", 31 August 2013, 中国铁道出版社 * |
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Application publication date: 20170811 |