CN107793610A - A kind of novel corrosion resistant rubber and preparation method thereof - Google Patents
A kind of novel corrosion resistant rubber and preparation method thereof Download PDFInfo
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- CN107793610A CN107793610A CN201610771946.7A CN201610771946A CN107793610A CN 107793610 A CN107793610 A CN 107793610A CN 201610771946 A CN201610771946 A CN 201610771946A CN 107793610 A CN107793610 A CN 107793610A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
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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
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention belongs to technical field of rubber material, is related to a kind of novel corrosion resistant rubber and preparation method thereof.Novel corrosion resistant rubber of the present invention, is prepared by the raw material of following parts by weight：12 parts of 50 60 parts of nitrile rubber, 50 60 parts of neoprene, 20 30 parts of carbon fiber, 30 50 parts of plasticizer, 50 70 parts of reinforcing agent, 20 30 parts of vulcanizing agent, 35 parts of accelerator, 35 parts of age resistor, 12 parts of diethylene glycol (DEG) and paraffin.The present invention forms three-dimensional net structure after using carbon fiber, the swelling of rubber is hindered, makes the corrosion resistance of rubber increase, because immersion can produce corrosion cracking to rubber for a long time in toluene, the addition of carbon fiber plays the role of to hinder crackle generation and Crack Extension, improves rubber corrosion resistance（72h is soaked in toluene, rate of mass reduction reduces 30%）.The invention novel corrosion resistant rubber has the advantages that intensity is high, and elasticity is good, and moisture permeability is low, and ageing-resistant performance is strong, corrosion resistance and good.
Description
Technical field
The invention belongs to technical field of rubber material, is related to a kind of novel corrosion resistant rubber and preparation method thereof.
Background technology
Show according to countries in the world survey, up to 150,000,000,000 yuan of loss corrosion caused by corrosion, account for its people every year
The 2.5%-4% of total output value, more than 6 times of other natural calamity sums, wherein being lost based on the corrosion of chemical system up to 100
More hundred million yuan.Therefore, anticorrosion causes the great attention of all circles, and in Tenth Five-Year Plan Period, with the development of science and technology, China prevents
Corrosion industry achieve the achievement to attract people's attention, resistant material achieves rapid progress, it has also become in national economy one can not
The important industry lacked.
Decay resistance refers to that it resists the ability that the Korrosionsmediums such as acid, alkali, salt destroy.Resistant material includes metal
Material and nonmetallic materials, in nonmetallic materials rubber because it has preferable physical and mechanical properties and decay resistance,
Application in terms of anticorrosion is increasingly extensive.
Anti-corrosive rubber is mainly fluorubber, EP rubbers, nitrile rubber and neoprene, is processing the shortcomings that fluorubber
Property is poor, expensive, cold resistance is poor, air-permeable elastic is relatively low, and use temperature range is at -20 DEG C ~ 200 DEG C；EP rubbers shortcoming
Poor for tack and mutual viscosity, use temperature range is at -50 DEG C ~ 150 DEG C；The shortcomings that nitrile rubber is cold-resistant and ozone resistance
Difference, elastic force and elasticity are relatively low, acid resistance is poor, electrical insulating property is bad, and use temperature range is at -30 DEG C ~ 100 DEG C；Neoprene
Shortcoming is that cold resistance is poor, cost height, electrical insulating property are bad, and rolling easy to stick during processing, rubber stability is poor, not easy to maintain.Rubber is prevented
Corrosion technology is ripe not enough, need to be improved in each aspect of performance, therefore it is low, high performance new resistance to develop a kind of cost
Corrosion rubber is very important.
The content of the invention
The problem of existing for prior art, it is an object of the invention to provide a kind of novel corrosion resistant rubber and its preparation
Method.Novel corrosion resistant rubber of the present invention has intensity high, and elasticity is good, and moisture permeability is low, and ageing-resistant performance is strong, corrosion resistance
Can be good the advantages that.
In order to solve the above technical problems, the technical solution adopted by the present invention is.
A kind of novel corrosion resistant rubber, is prepared by the raw material of following parts by weight：Nitrile rubber 50-60 parts, neoprene
Rubber 50-60 parts, carbon fiber 20-30 parts, plasticizer 30-50 parts, reinforcing agent 50-70 parts, vulcanizing agent 20-30 parts, accelerator 3-5
Part, age resistor 3-5 parts, diethylene glycol (DEG) 1-2 parts and paraffin 1-2 parts.
A preferred embodiment of the present invention, it is prepared by the raw material of following parts by weight：55 parts of nitrile rubber, neoprene rubber
55 parts of glue, 25 parts of carbon fiber, 40 parts of plasticizer, 60 parts of reinforcing agent, 25 parts of vulcanizing agent, 4 parts of accelerator, 4 parts of age resistor, diethylene glycol (DEG)
1 part and 1 part of paraffin.
The vulcanizing agent is sulphur and lead oxide, by ratio of weight and the number of copies：Sulfur：Lead oxide=1:2-3.
The reinforcing agent is barium sulfate, diatomite and talcum powder, by ratio of weight and the number of copies：Barium sulfate：Diatomite：Talcum powder=
2-3:1-2:4-6。
The reinforcing agent is white carbon.
The plasticizer is diisodecyl adipate.
The accelerator is tetramethylthiuram disulfide.
A kind of preparation method of novel corrosion resistant rubber, step are as follows.
（1）Plasticate：Weighing nitrile rubber and neoprene by weight, put it into banbury and plasticate, temperature 150-
160 DEG C, time 10-20min.
（2）It is kneaded：Weighing carbon fiber, plasticizer, reinforcing agent, vulcanizing agent, accelerator, age resistor, two sweet in parts by weight
Alcohol and paraffin, add in kneading machine and be kneaded, agitation revolution 40-50r/min, time 20-30min.
（3）Sulfidization molding：Will be above-mentioned（2）In batch mixing add in two-roll mill and be rolled into the thick thin slices of 2-4mm；Flat
Vulcanize on plate vulcanizer, curing temperature is 130-150 DEG C, pressure 3-10MPa, time 20-30min, Temperature fall, is produced into
Product.
Beneficial effects of the present invention.
（1）This hair makes tensile strength >=7.9MPa using carbon fiber, more than 7.5 MPa of comparative example 1；The present invention's breaks
Elongation >=400%, more than the 390% of comparative example 1；The hardness of the present invention（Shao Er A）＞ 79, more than the 75 of comparative example 1；Illustrate this
Invention intensity is high, and elasticity is good.Elongation rate of tensile failure change/% of the present invention（300 DEG C × 72h agings）Between -25% to -30%, and it is right
Ratio 1 for 30%, illustrate that moisture permeability of the present invention is low, good airproof performance, ageing-resistant performance is strong.
（2）The present invention forms three-dimensional net structure after using carbon fiber, hinders the swelling of rubber, makes the corrosion-resistant of rubber
Property increase（Referring to Fig. 1 and Fig. 2）.Because immersion can produce corrosion cracking to rubber for a long time in toluene, the addition of carbon fiber has
Hinder crackle to produce the effect with Crack Extension, improve rubber corrosion resistance（72h is soaked in toluene, rate of mass reduction reduces
30%）.
Brief description of the drawings
Fig. 1 is that the product for preparing of embodiments of the invention 3 soaks 500 times of electron-microscope scanning figures after 72h in toluene.
Fig. 2 is that the product for preparing of the comparative example 1 of the present invention soaks 500 times of electron-microscope scanning figures after 72h in toluene.
Embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still
It should be appreciated that these descriptions are simply further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
Embodiment 1.
Respectively by each component specified in table 1 below, in parts by weight weighing nitrile rubber and neoprene, put it into
Plasticated in banbury, temperature is 150-160 DEG C, time 10-20min；In parts by weight weighing carbon fiber, plasticizer, reinforcing agent,
Vulcanizing agent, accelerator, age resistor, diethylene glycol (DEG) and paraffin, add in kneading machine and be kneaded, agitation revolution 45r/min, the time
20min；Will be above-mentioned（2）In batch mixing add in two-roll mill and be rolled into the thick thin slices of 2-4mm；The sulphur on vulcanizing press
Change, curing temperature is 130-150 DEG C, pressure 7MPa, time 30min, Temperature fall, is got product.Physical mechanics is carried out to it
Performance indications are examined.Test result is listed in table 1.
Embodiment 2.
The method that embodiment 1 is repeated by each component content specified in table 1 below, test result is listed in table 1.
Embodiment 3.
The method that embodiment 1 is repeated by each component content specified in table 1 below, test result is listed in table 1.
Comparative example 1.
The method of embodiment 1 is repeated by each component content specified in table 1 below, the difference is that not adding carbon fiber.
Test result is listed in table 1.
First, performance detection.
The present invention determines corrosion resistance according to standard GB/T/T 1690- 1992；Hardness（Shao Er A）According to GB/T
531-1999 is tested；Tensile strength and elongation rate of tensile failure are tested according to GB/T 528-1998；Tearing strength according to
It is 50mm min-1 that GB/T 529-1999, which are measured rate of extension,；Heat-resistant air aging property is according to GB/T 3512-2001
Tested, aging condition is 200 DEG C × 24h.
1st, performance test results are carried out to novel corrosion resistant rubber prepared by embodiment 1-3, as shown in table 1.
The novel corrosion resistant rubber rationality index of table 1.
As shown in Table 1, tensile strength >=7.9MPa of novel corrosion resistant rubber of the present invention, more than the 7.5 of comparative example 1
MPa；Elongation rate of tensile failure >=400% of the present invention, more than the 390% of comparative example 1；The hardness of the present invention（Shao Er A）＞ 79, more than pair
The 75 of ratio 1；Illustrate that intensity of the present invention is high, elasticity is good.Elongation rate of tensile failure change/% of the present invention（300 DEG C × 72h agings）-
Between 25% to -30%, and comparative example 1 for 30%, illustrate that moisture permeability of the present invention is low, good airproof performance, ageing-resistant performance is strong.
The present invention soaks 72h in the oil, embodiment 1-3 rate of mass reduction 16%, and the rate of mass reduction of comparative example 1
25%, rate of mass reduction reduces 9%；The present invention soaks 72h in machine oil, embodiment 1-3 rate of mass reduction 5%, and comparative example
1 rate of mass reduction 11%, rate of mass reduction reduces 7%；The present invention soaks 72h, embodiment 1-3 rate of mass reduction in water
3%, and the rate of mass reduction 8% of comparative example 1, rate of mass reduction reduce 5%；The present invention soaks 72h, embodiment 1-3 in toluene
Rate of mass reduction 50%, and the rate of mass reduction 80% of comparative example 1, rate of mass reduction reduce 30%；It is described above of the invention
Corrosion resistance is strong.
From Fig. 1 and Fig. 2, the present invention is prepared after product soaks 72h in toluene to embodiment 3 and comparative example 1
Sample has carried out SEM observations.As shown in Figure 1.It will be clear that comparative example 1 from microphoto（Not carbon fiber-containing）'s
There is substantial amounts of corrosion cracking in rubber surface；As shown in Fig. 2 embodiment 3（Carbon fiber content is 28%）Rubber surface corrosion
Crackle significantly reduces, and illustrates that the corrosion resistance of the present invention is strong.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent substitution, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (8)
- A kind of 1. anti-corrosive rubber, it is characterised in that：It is prepared by the raw material of following parts by weight：Nitrile rubber 50-60 parts, Neoprene 50-60 parts, carbon fiber 20-30 parts, plasticizer 30-50 parts, reinforcing agent 50-70 parts, vulcanizing agent 20-30 parts, promotion Agent 3-5 parts, age resistor 3-5 parts, diethylene glycol (DEG) 1-2 parts and paraffin 1-2 parts.
- 2. anti-corrosive rubber according to claim 1, it is characterised in that：It is prepared by the raw material of following parts by weight： 55 parts of nitrile rubber, 55 parts of neoprene, 25 parts of carbon fiber, 40 parts of plasticizer, 60 parts of reinforcing agent, 25 parts of vulcanizing agent, accelerator 4 Part, 4 parts of age resistor, 1 part of diethylene glycol (DEG) and 1 part of paraffin.
- 3. anti-corrosive rubber according to claim 1, it is characterised in that：The vulcanizing agent is sulphur and lead oxide, by weight Measure portion rate：Sulfur：Lead oxide=1:2-3.
- 4. anti-corrosive rubber according to claim 1, it is characterised in that：The reinforcing agent is barium sulfate, diatomite and cunning Stone flour, by ratio of weight and the number of copies：Barium sulfate：Diatomite：Talcum powder=2-3:1-2:4-6.
- 5. anti-corrosive rubber according to claim 1, it is characterised in that：The reinforcing agent is white carbon.
- 6. anti-corrosive rubber according to claim 1, it is characterised in that：The plasticizer is diisodecyl adipate.
- 7. anti-corrosive rubber according to claim 1, it is characterised in that：The accelerator is that the tetramethyl autumn is blue Nurse.
- A kind of 8. preparation method of any anti-corrosive rubber according to claim 1-8, it is characterised in that：Step is as follows：（1）Plasticate：Weighing nitrile rubber and neoprene by weight, put it into banbury and plasticate, temperature 150-160 DEG C, time 10-20min；（2）It is kneaded：In parts by weight weighing carbon fiber, plasticizer, reinforcing agent, vulcanizing agent, accelerator, age resistor, diethylene glycol (DEG) and Paraffin, add in kneading machine and be kneaded, agitation revolution 40-50r/min, time 20-30min；（3）Sulfidization molding：Will be above-mentioned（2）In batch mixing add in two-roll mill and be rolled into the thick thin slices of 2-4mm；In flat board sulphur Vulcanize on change machine, curing temperature is 130-150 DEG C, pressure 3-10MPa, time 20-30min, Temperature fall, is got product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771946.7A CN107793610A (en) | 2016-08-30 | 2016-08-30 | A kind of novel corrosion resistant rubber and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771946.7A CN107793610A (en) | 2016-08-30 | 2016-08-30 | A kind of novel corrosion resistant rubber and preparation method thereof |
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| CN107793610A true CN107793610A (en) | 2018-03-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181035A (en) * | 2018-09-03 | 2019-01-11 | 桐城运城制版有限公司 | A kind of gravure roller |
| CN109608714A (en) * | 2018-12-05 | 2019-04-12 | 浙江兄弟之星汽配有限公司 | A kind of automobile wiper wiper blade and its preparation process |
| CN117844077A (en) * | 2024-01-08 | 2024-04-09 | 江苏多肯新材料有限公司 | Corrosion-resistant rubber composite material and preparation method thereof |
-
2016
- 2016-08-30 CN CN201610771946.7A patent/CN107793610A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181035A (en) * | 2018-09-03 | 2019-01-11 | 桐城运城制版有限公司 | A kind of gravure roller |
| CN109608714A (en) * | 2018-12-05 | 2019-04-12 | 浙江兄弟之星汽配有限公司 | A kind of automobile wiper wiper blade and its preparation process |
| CN117844077A (en) * | 2024-01-08 | 2024-04-09 | 江苏多肯新材料有限公司 | Corrosion-resistant rubber composite material and preparation method thereof |
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Application publication date: 20180313 |