CN107353454A - The environmentally friendly oil resistant rubber of one kind sealing - Google Patents
The environmentally friendly oil resistant rubber of one kind sealing Download PDFInfo
- Publication number
- CN107353454A CN107353454A CN201710653564.9A CN201710653564A CN107353454A CN 107353454 A CN107353454 A CN 107353454A CN 201710653564 A CN201710653564 A CN 201710653564A CN 107353454 A CN107353454 A CN 107353454A
- Authority
- CN
- China
- Prior art keywords
- rubber
- environmentally friendly
- oil resistant
- resistant rubber
- friendly oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
-
- 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
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
- C09K2003/1078—Fire-resistant, heat-resistant materials
Landscapes
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses the environmentally friendly oil resistant rubber of one kind sealing, by being made as follows according to the raw material of mass fraction meter：Nitrile rubber 50 70, stabilizer 8 15, modified chloroprene rubber 20 50, carbon black 20 30, polystyrene 8 12, vulcanizing agent 1 1.5, additive 15 20, stearic acid 34, zinc oxide 5 10, magnesia 12 18, age resistor 10 14, paraffin 20 30, auxiliary agent 45.By combining the characteristic of nitrile rubber, modified chloroprene rubber, not only fabulous with oil resistivity, the characteristics of wearability is higher, and heat resistance is preferable, and initial adhesion force is big, bond strength is high, and glue-line is flexible, and elasticity is good, impact resistance and vibration；And reduce the ratio of vulcanizing agent, it is environment friendly and pollution-free so as to reach；The additive being made up of cyanate ester resin, acrylic resin, sodium tripolyphosphate, kaolin of special ratios is added, so as to improve the air-tightness of rubber.
Description
Technical field
The present invention relates to rubber materials, are a kind of environmentally friendly oil resistant rubbers of sealing specifically.
Background technology
Nitrile rubber (NBR) is obtained by two kinds of monomers of butadiene and acrylonitrile through emulsion polymerization, due to its strand
In contain unsaturated double-bond and polar group-CN, physical and mechanical properties excellent the features such as good with oil resistance,
It is widely used in various oil-resistant rubber materials.The performance indications of existing most of oil-resistant rubber material are all simply meeting
The basic demand of national standard, for environment under many special oiliness environment, current oil-resistant rubber material performance still can not can
Meets the needs of long-term use of under the conditions of oiliness by ground, the oil resistance of oil-resistant rubber material also needs further optimization improvement.
Moreover, at present, the elastomeric material that mainly uses of rubber for being used to seal in China is nitrile rubber, its close
Envelope property is commonly used in transformer sealing, and nitrile rubber has excellent oil resistivity, good cryogenic property, heat resistance and cheap
Price, still, because the resistance to ozone ability of nitrile rubber is good, in the case of larger stress, its ozone-induced cracking pole
To be rapid, so the service life in the bushing insulator sealing of transformer etc. is shorter.In addition, existing oil resistant rubber sheath electricity
All there is quite serious pollution in cable, oil resistant rubber plug, Oil-resistence Rubber Membrane and Oil resistant rubber tube, health can be caused
Certain harm, therefore a kind of environmental protection is provided and cuts that the preferable oil resistant rubber of air-tightness is material modified to be also particularly important.
The content of the invention
It is an object of the invention to provide one kind sealing environmentally friendly oil resistant rubber, material modified oil resistivity produced by the present invention
Can be excellent, environmental protection, and intensity is high, good flame retardation effect, compression performance and toughness are strong, and processing characteristics is excellent, excellent combination property.
The present invention is achieved through the following technical solutions：The environmentally friendly oil resistant rubber of one kind sealing, by as follows according to mass fraction
The raw material of meter is made：Nitrile rubber 50-70, stabilizer 8-15, modified chloroprene rubber 20-50, carbon black 20-30, polystyrene 8-
12, vulcanizing agent 1-1.5, additive 15-20, stearic acid 3-4, zinc oxide 5-10, magnesia 12-18, age resistor 10-14, paraffin
10-20；
Its preparation method comprises the following steps：
Step S1：Nitrile rubber, stabilizer, zinc oxide, magnesia, stearic acid, stone are weighed by the parts by weight of constitutive material
Wax, polystyrene are mixed, and mixed raw material is put into high speed blender, at a temperature of 100~140 DEG C stir 15~
25min；
Step S2：It is thin logical 10 times, add 1/2 deal carbon black in age resistor, raw material and mixed；
Step S3：Thin logical 10 times, the carbon black for adding remaining deal in modified chloroprene rubber, additive, raw material is mixed
Close；
Step S4：It is stirred again after adding vulcanizing agent, by double screw extruder extruding pelletization, oil resistant rubber is made.
Using above-mentioned steps prepare be in order to avoid carbon black in nitrile rubber phase disperse it is insufficient, modified chloroprene rubber add
Enough carbon gels are hardly formed afterwards, cause nitrile rubber to cannot get good carbon black enhancing, so as to have impact on blend compounds
Performance.Further, since solubility of the vulcanizing agent in nitrile rubber is more than modified chloroprene rubber, therefore when in nitrile rubber rubber
When first adding vulcanizing agent and then adding modified chloroprene rubber rubber and be kneaded, vulcanizing agent is diffused into modification from nitrile rubber
The quantity of neoprene is seldom, causes modified chloroprene rubber mutually to occur to owe sulphur phenomenon, so that the penalty of blend compounds.
In order to preferably realize the present invention, further, the nitrile rubber is counted in parts by weight, by butadiene 70, third
Alkene nitrile 34, water 150, fatty hydrochloric acid 10, sodiumβ-naphthalenesulfonate formaldehyde condensation products 15, di-isopropylbenzene hydroperoxide 20-30, the carbon of uncle 12
Mercaptan 40 forms.
In order to preferably realize the present invention, further, the preparation method of the nitrile rubber comprises the following steps：
A. water, fatty hydrochloric acid, sodiumβ-naphthalenesulfonate formaldehyde condensation products, tert-dodecyl mercaptan are sequentially added in stirring polymeric kettle
And 1/3 deal acrylonitrile in formula；
B. it is passed through nitrogen pressure testing, after confirming polymeric kettle No leakage, with nitrogen displacement 3-5 times, then adds butadiene；
C. start stirring polymeric kettle to be stirred, and cold water cooling is passed through into polymeric kettle interlayer and temperature-reducing coil, wait to gather
When conjunction temperature in the kettle is down to 5-10 DEG C, adds di-isopropylbenzene hydroperoxide and carry out polymerisation, polymeric reaction temperature is controlled in 10-
20℃；D. the remaining acrylonitrile monemer added in formula is reacted, and reaction time control terminates through de- in 5-10 hours, reaction
Nitrile rubber is made in gas, cohesion, hot-air drying.The oil resistivity for the oil resistant rubber produced with this rubber compounding is less than
8.5%th, heat resistance and air-tightness are good.
In order to preferably realize the present invention, further, age resistor is CTU age resistor.By using age resistor CTU, make
Obtain has good performance in terms of resistance to thermal oxide, and the sizing materials of CTU containing age resistor are stretching change rate of strength, elongation rate of tensile failure change
Rate, firmness change value etc. performance are above the rubber containing other age resistor.
In order to preferably realize the present invention, further, the stabilizer is counted in parts by weight, by calcium stearate 40-50,
Zinc stearate 20-25, B diketone 30-60, nontoxic phosphite ester 40-70, antioxidant 10-15, hydrotalcite 5-8, OPE15-20,
EBS10-20 is formed.
The stabilizer obtained by this formula has good dispersiveness, compatibility, processing fluidity, wide adaptability, product
Surface smoothness is excellent；Good heat stability, initial stage, form and aspect were small, no precipitation phenomenon；Without heavy metal and other toxic components, no sulphur
Change phenomenon；Congo red testing time length, has excellent electrical insulating property, free from admixture, has efficient weatherability；It is applied widely,
Practical, dosage is few, has multifunctionality；In white article, whiteness is compared with its like product more preferably.Not only have good
Compatibility and the controlling to viscosity, and it is a kind of excellent thermostabilization that can provide good initial coloring and colour retention
Agent.
With having advantages below in the product：Intermiscibility is good, volatility is low, migration is small, light resistance is good, suitable for soft
The PVC product industry such as tubing, granulation, calendered film, toy, conveyer belt, advertising cloth, wallpaper.It may replace organic tin stabilizer and lead
Salt system stabilizer, meet non-toxic electric wire cable environmentally-friendly sanitary requirement；With excellent whiteness at initial stage and heat endurance, resistance to vulcanization is dirty
Dye；With good lubricity and unique coupled action, assign filler good dispersiveness, promote the parcel with resin, carry
High product properties, reduce mechanical wear, the service life of extension device；Have toughness reinforcing concurrently and promote melting, plastify mobility
It is good；It can assign PVC compounds good homogenous plasticized and high-speed molten mobility, make product surface smooth.
In order to preferably realize the present invention, further, the additive is counted in parts by weight, by cyanate ester resin 15-
20th, acrylic resin 10-15, sodium tripolyphosphate 6-10, kaolin 0.1-0.2 compositions.Changed by adding cyanate ester resin
Enter, it is modified to solidify at 170 DEG C；Humidity resistance, anti-flammability, caking property are all fine, and glass, carbon fibre, quartz fibre, whisker
Adhesive property Deng reinforcing material is good；Excellent electrical property, there is extremely low dielectric constant (2.8~3.2) and dielectric loss angle just
Value (0.002~0.008) is cut, and change of the dielectric properties to temperature and wave frequency all shows distinctive stability.
Add acrylic resin can not occur further to be crosslinked in film forming procedure, therefore its relative molecular weight compared with
Greatly, there is good guarantor's light colour retention.
In order to preferably realize the present invention, further, the modified chloroprene rubber is modified using following steps：Will
The neoprene of 30-60 parts is poured into after shredding in the flask equipped with 500-600ml organic solvents, and heating makes neoprene completely molten
Xie Hou, the solution containing 10-20 part BPO and 30-60 the first modifying agent of part is added dropwise into flask, adds after insulated and stirred 30-45min
Enter the polymerization inhibitor of 20-35 parts, modified chloroprene rubber glue is obtained after cooling, by the modified chloroprene rubber glue at 60-80 DEG C
Modified chloroprene rubber is obtained after lower dry 10-15min.
In order to preferably realize the present invention, further, described addition agent aid includes the raw material of following parts by weight：My god
Green stone 35,1, hexamethylene-diisocyanate 4, tri (propylene glycol) diacrylate 3, zinc oxide 6, jade 4,3- aminopropyl trimethoxies
Base silane 2, anilinomethyl triethoxysilane 2, diethylenetriamine 4.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) characteristic of the invention by combining nitrile rubber, modified chloroprene rubber, it is not only fabulous with oil resistivity, it is wear-resisting
Property higher, the characteristics of heat resistance is preferable, and initial adhesion force is big, bond strength is high, and glue-line is flexible, and elasticity is good, and impact resistance is with shaking
It is dynamic.
(2) present invention during preparation by, by increasing the ratio of nitrile rubber, further increasing rubber
Oil resistivity；And reduce the ratio of vulcanizing agent, itself have it is resistant to elevated temperatures on the basis of, hardly produce toxic gas,
It is environment friendly and pollution-free so as to reach.
(3) present invention by be by rubber add special ratios by cyanate ester resin, acrylic resin, trimerization
The additive of sodium phosphate, kaolin composition, so as to improve the air-tightness of rubber.
Brief description of the drawings
Nothing
Embodiment
Embodiment 1：
The environmentally friendly oil resistant rubber of a kind of sealing of the present embodiment, by being made as follows according to the raw material of mass fraction meter：Butyronitrile
Rubber 50-70, stabilizer 8-15, modified chloroprene rubber 20-50, carbon black 20-30, polystyrene 8-12, vulcanizing agent 1-1.5, add
Add agent 15-20, stearic acid 3-4, zinc oxide 5-10, magnesia 12-18, age resistor 10-14, paraffin 10-20；
Its preparation method comprises the following steps：
Step S1：Nitrile rubber, stabilizer, zinc oxide, magnesia, stearic acid, stone are weighed by the parts by weight of constitutive material
Wax, polystyrene are mixed, and mixed raw material is put into high speed blender, at a temperature of 100~140 DEG C stir 15~
25min；
Step S2：It is thin logical 10 times, add 1/2 deal carbon black in age resistor, raw material and mixed；
Step S3：Thin logical 10 times, the carbon black for adding remaining deal in modified chloroprene rubber, additive, raw material is mixed
Close；
Step S4：It is stirred again after adding vulcanizing agent, by double screw extruder extruding pelletization, oil resistant rubber is made.
Using above-mentioned steps prepare be in order to avoid carbon black in nitrile rubber phase disperse it is insufficient, in Modified Polychloroprene
Rubber is hardly formed enough carbon gels after adding, and causes nitrile rubber to cannot get good carbon black enhancing, so as to influence
The performances of blend compounds.Further, since solubility of the vulcanizing agent in nitrile rubber is more than modified chloroprene rubber, therefore work as butyronitrile rubber
When vulcanizing agent is first added in glue rubber then adding modified chloroprene rubber rubber and be kneaded, vulcanizing agent expands from nitrile rubber
It is seldom to be scattered to the quantity of modified chloroprene rubber, causes modified chloroprene rubber mutually to occur to owe sulphur phenomenon, so that the performance of blend compounds
Deteriorate.
And by combine nitrile rubber, modified chloroprene rubber characteristic, it is not only fabulous with oil resistivity, wearability compared with
Height, the characteristics of heat resistance is preferable, and also initial adhesion force is big, bond strength is high, and glue-line is flexible, and elasticity is good, impact resistance and vibration.
Embodiment 2：
The present embodiment does further optimization on the basis of embodiment 1, and the age resistor is CTU age resistor.Such as the institute of table 1
Show：CTU age resistor under normal circumstances and with the running parameter after 100 DEG C × 24h hot air agings.
Table 1
Data in analytical table 1, in terms of tensile strength, elongation rate of tensile failure, the numerical value of the sizing materials of CTU containing age resistor is anti-with containing
Old agent MB sizing materials are suitable, contain other age resistor sizing materials higher than what experiment was used.The chemical name of antioxidant MB is 2- sulfydryl benzos
Imidazoles, contain double bond in its structure, MB chemically reacts with rubber in sulfidation, divides greatly in rubber with chemical bonding
In sub-network, so that its sizing material shows good tensile resistance.Also carbon sulphur double bond is contained in age resistor CTU structure,
Show with antioxidant MB similar in performance.In terms of tensile set and hardness, the sizing material of the CTU containing age resistor is anti-old with containing
Agent MB sizing material has identical numerical value, and this is also due in their structural formula all reasons containing double bond.From this several respect
As can be seen that the physical and mechanical properties of the sizing materials of CTU containing age resistor is suitable with sizing material containing antioxidant MB, and it is conventional anti-better than containing other
The sizing material of old agent.After 100 DEG C × 24h hot air agings, tensile strength rate of change, the elongation rate of tensile failure of the sizing materials of CTU containing age resistor
Rate of change, firmness change value are higher than the sizing material containing antioxidant MB, and are less than the vulcanizate containing other age resistor, and this explanation is containing anti-old
Agent CTU sizing material has good performance in terms of resistance to thermal oxide.After 70 DEG C × 24h being soaked in kerosene, the glue of CTU containing age resistor
Volume change, the mass change of material are respectively 7% and 3%, identical with 4010Na sizing materials, less than other sizing material numerical value, this
Illustrate that the sizing material oil resistant extraction effect of the CTU containing age resistor is good.In terms of resistance to ozone aging, in ± 1 DEG C of 50 × 10-8,48h, 40,
Under the conditions of 20% elongation, the sizing materials of CTU containing age resistor are not cracked as the sizing material containing other age resistor, meet general
The condition of antiozonant.When being exposed to the sun in outdoor, the initial cracking time of the sizing materials of CTU containing age resistor and the sizing material phase containing antioxidant 4010NA
Together, there is excellent property in terms of Weather-resistant higher than the sizing material containing other age resistor, this explanation CTU containing age resistor sizing material
Energy.
The other parts of the present embodiment are same as Example 1, therefore repeat no more.
Embodiment 3：
The present embodiment does further optimization on the basis of embodiment 2, and the stabilizer is counted in parts by weight, by stearic acid
Calcium 40-50, zinc stearate 20-25, B diketone 30-60, nontoxic phosphite ester 40-70, antioxidant 10-15, hydrotalcite 5-8,
OPE15-20, EBS10-20 are formed.
The stabilizer obtained by this formula has good dispersiveness, compatibility, processing fluidity, wide adaptability, product
Surface smoothness is excellent；Good heat stability, initial stage, form and aspect were small, no precipitation phenomenon；Without heavy metal and other toxic components, no sulphur
Change phenomenon；Congo red testing time length, has excellent electrical insulating property, free from admixture, has efficient weatherability；It is applied widely,
Practical, dosage is few, has multifunctionality；In white article, whiteness is compared with its like product more preferably.Not only have good
Compatibility and the controlling to viscosity, and it is a kind of excellent thermostabilization that can provide good initial coloring and colour retention
Agent.
With having advantages below in the product：Intermiscibility is good, volatility is low, migration is small, light resistance is good, suitable for soft
The PVC product industry such as tubing, granulation, calendered film, toy, conveyer belt, advertising cloth, wallpaper.It may replace organic tin stabilizer and lead
Salt system stabilizer, meet non-toxic electric wire cable environmentally-friendly sanitary requirement；With excellent whiteness at initial stage and heat endurance, resistance to vulcanization is dirty
Dye；With good lubricity and unique coupled action, assign filler good dispersiveness, promote the parcel with resin, carry
High product properties, reduce mechanical wear, the service life of extension device；Have toughness reinforcing concurrently and promote melting, plastify mobility
It is good；It can assign PVC compounds good homogenous plasticized and high-speed molten mobility, make product surface smooth.
The other parts of the present embodiment are same as Example 2, therefore repeat no more.
Embodiment 4：
The present embodiment does further optimization on the basis of embodiment 3, and the nitrile rubber is counted in parts by weight, by fourth two
Alkene 70, acrylonitrile 34, water 150, fatty hydrochloric acid 10, sodiumβ-naphthalenesulfonate formaldehyde condensation products 15, di-isopropylbenzene hydroperoxide 20-30,
Tert-dodecyl mercaptan 40 forms.
The preparation method of the nitrile rubber comprises the following steps：
A. water, fatty hydrochloric acid, sodiumβ-naphthalenesulfonate formaldehyde condensation products, tert-dodecyl mercaptan are sequentially added in stirring polymeric kettle
And 1/3 deal acrylonitrile in formula；
B. it is passed through nitrogen pressure testing, after confirming polymeric kettle No leakage, with nitrogen displacement 3-5 times, then adds butadiene；
C. start stirring polymeric kettle to be stirred, and cold water cooling is passed through into polymeric kettle interlayer and temperature-reducing coil, wait to gather
When conjunction temperature in the kettle is down to 5-10 DEG C, adds di-isopropylbenzene hydroperoxide and carry out polymerisation, polymeric reaction temperature is controlled in 10-
20℃；
D. the remaining acrylonitrile monemer added in formula is reacted, and reaction time control terminates in 5-10 hours, reaction
Nitrile rubber is made in degassed, cohesion, hot-air drying.
The oil resistivity for the oil resistant rubber produced with this rubber compounding is less than 8.5%, heat resistance and air-tightness is good.
The other parts of the present embodiment are same as Example 3, therefore repeat no more.
Embodiment 5：
The present embodiment does further optimization on the basis of embodiment 4, and the additive is counted in parts by weight, by cyanate
Resin 15-20, acrylic resin 10-15, sodium tripolyphosphate 6-10, kaolin 0.1-0.2 compositions.As shown in table 2：Cyanate resin
The air transmission coefficient for the additive that fat, acrylic resin, sodium tripolyphosphate, kaolin content are obtained by different proportion.
| Cyanate ester resin/part | 15 | 20 | 17 |
| Acrylic resin/part | 15 | 10 | 12 |
| Sodium tripolyphosphate/part | 7 | 6 | 10 |
| Kaolin/part | 0.1 | 0.15 | 0.2 |
| Air transmission coefficient E-13cm3.cm/cm2.s.Pa | 1.115 | 1.345 | 1.344 |
Table 2
It can be analyzed by table 2, when cyanate ester resin, acrylic resin, sodium tripolyphosphate, kaolinic ratio are according to 15:
10:7:During 0.1 preparation, the obturation effect that additive is played is best.
The other parts of the present embodiment are same as Example 4, therefore repeat no more.
Embodiment 6：
The present embodiment does further optimization on the basis of embodiment 5, and described auxiliary agent includes the raw material of following parts by weight：
Celestine 35, hexamethylene-diisocyanate 4, tri (propylene glycol) diacrylate 3, zinc oxide 6, jade 4,3- aminopropyl trimethoxies
Base silane 2, anilinomethyl triethoxysilane 2, diethylenetriamine 4.
Its preparation method is that celestine is put into calcining furnace to calcine 3 hours at 570 DEG C, cooling, after being ground into 80 mesh
It is put into 15% hydrochloric acid solution and soaks 3 hours, filters out celestine powder, clear water is cleaned, and drying, is ground into 300 mesh powder, with
Other residual components mixing, grinding distribution 2 hours, are produced.
Obtaining auxiliary agent by above method can be such that rubber is effectively improved in processing characteristics, and tensile strength, fracture are stretched
The indexs such as long rate, oil resistance, resistance to elevated temperatures are improved simultaneously.
The other parts of the present embodiment are same as Example 5, therefore repeat no more.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not done to the present invention, it is every according to
Any simply modification, the equivalent variations made according to the technical spirit of the present invention to above example, each fall within the protection of the present invention
Within the scope of.
Claims (8)
1. the environmentally friendly oil resistant rubber of one kind sealing, it is characterised in that：By being made as follows according to the raw material of mass fraction meter：Butyronitrile rubber
Glue 50-70, stabilizer 8-15, modified chloroprene rubber 20-50, carbon black 20-30, polystyrene 8-12, vulcanizing agent 1-1.5, addition
Agent 15-20, stearic acid 3-4, zinc oxide 5-10, magnesia 12-18, age resistor 10-14, paraffin 20-30, auxiliary agent 4-5；
The environmentally friendly oil resistant rubber is made by following steps：
Step S1：Nitrile rubber, stabilizer, zinc oxide, magnesia, stearic acid, paraffin, poly- is weighed by the parts by weight of constitutive material
Styrene is mixed, and mixed raw material is put into high speed blender, and 15 ~ 25min is stirred at a temperature of 100 ~ 140 DEG C；
Step S2：It is thin logical 10 times, add 1/2 deal carbon black in age resistor, raw material and mixed；
Step S3：Thin logical 10 times, the carbon black for adding remaining deal in modified chloroprene rubber, additive, raw material is mixed；
Step S4：It is stirred again after adding vulcanizing agent, by double screw extruder extruding pelletization, rubber is made.
A kind of 2. environmentally friendly oil resistant rubber of sealing according to claim 1, it is characterised in that：The nitrile rubber is by weight
Number meter, by butadiene 70, acrylonitrile 34, water 150, fatty hydrochloric acid 10, sodiumβ-naphthalenesulfonate formaldehyde condensation products 15, hydrogen peroxide two
Isopropylbenzene 20-30, tert-dodecyl mercaptan 40 form.
A kind of 3. environmentally friendly oil resistant rubber of sealing according to claim 2, it is characterised in that：The preparation of the nitrile rubber
Method comprises the following steps：
A. stirring polymeric kettle in sequentially add water, fatty hydrochloric acid, sodiumβ-naphthalenesulfonate formaldehyde condensation products, tert-dodecyl mercaptan and
1/3 deal acrylonitrile in formula；
B. it is passed through nitrogen pressure testing, after confirming polymeric kettle No leakage, with nitrogen displacement 3-5 times, then adds butadiene；
C. start stirring polymeric kettle to be stirred, and cold water cooling, kettle to be polymerized are passed through into polymeric kettle interlayer and temperature-reducing coil
When interior temperature is down to 5-10 DEG C, adds di-isopropylbenzene hydroperoxide and carry out polymerisation, polymeric reaction temperature is controlled in 10-20
℃；
D. the remaining acrylonitrile monemer added in formula is reacted, and reaction time control terminates through de- in 5-10 hours, reaction
Nitrile rubber is made in gas, cohesion, hot-air drying.
A kind of 4. environmentally friendly oil resistant rubber of sealing according to claim 1, it is characterised in that：The age resistor is prevented for CTU
Old agent.
A kind of 5. environmentally friendly oil resistant rubber of sealing according to claim 3, it is characterised in that：The stabilizer is by weight
Number meter, by calcium stearate 40-50, zinc stearate 20-25, B diketone 30-60, nontoxic phosphite ester 40-70, antioxidant 10-15,
Hydrotalcite 5-8, OPE15-20, EBS10-20 composition.
A kind of 6. environmentally friendly oil resistant rubber of sealing according to claim 1, it is characterised in that：The additive is by weight
Number meter, is made up of cyanate ester resin 15-20, acrylic resin 10-15, sodium tripolyphosphate 6-10, kaolin 0.1-0 .2.
A kind of 7. environmentally friendly oil resistant rubber of sealing according to claim 2, it is characterised in that：The modified chloroprene rubber is adopted
It is modified with following steps：The flask equipped with 500-600ml organic solvents is poured into after the neoprene of 30-60 parts is shredded
In, after heating is completely dissolved neoprene, it is added dropwise into flask and contains the molten of 10-20 part BPO and 30-60 the first modifying agent of part
Liquid, the polymerization inhibitor of 20-35 parts is added after insulated and stirred 30-45min, modified chloroprene rubber glue is obtained after cooling, is changed described
Property neoprene glue at 60-80 DEG C dry 10-15min after obtain modified chloroprene rubber.
A kind of 8. environmentally friendly oil resistant rubber of sealing according to claim 1, it is characterised in that：Described auxiliary agent includes following
The raw material of parts by weight：Celestine 35, hexamethylene-diisocyanate 4, tri (propylene glycol) diacrylate 3, zinc oxide 6, jade 4,
3- aminopropyl trimethoxysilanes 2, anilinomethyl triethoxysilane 2, diethylenetriamine 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710653564.9A CN107353454A (en) | 2017-08-02 | 2017-08-02 | The environmentally friendly oil resistant rubber of one kind sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710653564.9A CN107353454A (en) | 2017-08-02 | 2017-08-02 | The environmentally friendly oil resistant rubber of one kind sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107353454A true CN107353454A (en) | 2017-11-17 |
Family
ID=60286298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710653564.9A Pending CN107353454A (en) | 2017-08-02 | 2017-08-02 | The environmentally friendly oil resistant rubber of one kind sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107353454A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148229A (en) * | 2017-12-11 | 2018-06-12 | 安徽五狼神橡胶制品有限公司 | A kind of corrosion resistant mildewproof rubber |
| CN108550426A (en) * | 2018-05-21 | 2018-09-18 | 徐州乐泰机电科技有限公司 | A kind of corrosion proof cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554697A (en) * | 2013-10-25 | 2014-02-05 | 安徽文峰电子科技集团有限公司 | Environment-friendly type oil-resistant high temperature-resistant rubber cable material |
| CN103665264A (en) * | 2012-09-20 | 2014-03-26 | 中国石油化工股份有限公司 | High-performance oil-resistant acrylonitrile-butadiene rubber |
| CN104086909A (en) * | 2014-07-02 | 2014-10-08 | 安徽宁国尚鼎橡塑制品有限公司 | Rubber material with high air tightness |
| CN105906892A (en) * | 2016-06-21 | 2016-08-31 | 柳州市颖航汽配有限公司 | Method for improving rubber air tightness |
| CN106317461A (en) * | 2016-08-23 | 2017-01-11 | 深圳市志海实业股份有限公司 | Synthesis preparation method of intercalation polymerization efficient nontoxic environment-friendly calcium-zinc stabilizer |
-
2017
- 2017-08-02 CN CN201710653564.9A patent/CN107353454A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103665264A (en) * | 2012-09-20 | 2014-03-26 | 中国石油化工股份有限公司 | High-performance oil-resistant acrylonitrile-butadiene rubber |
| CN103554697A (en) * | 2013-10-25 | 2014-02-05 | 安徽文峰电子科技集团有限公司 | Environment-friendly type oil-resistant high temperature-resistant rubber cable material |
| CN104086909A (en) * | 2014-07-02 | 2014-10-08 | 安徽宁国尚鼎橡塑制品有限公司 | Rubber material with high air tightness |
| CN105906892A (en) * | 2016-06-21 | 2016-08-31 | 柳州市颖航汽配有限公司 | Method for improving rubber air tightness |
| CN106317461A (en) * | 2016-08-23 | 2017-01-11 | 深圳市志海实业股份有限公司 | Synthesis preparation method of intercalation polymerization efficient nontoxic environment-friendly calcium-zinc stabilizer |
Non-Patent Citations (2)
| Title |
|---|
| 季振青 等: ""环保型防老剂CTU在橡胶中的应用"", 《特种橡胶制品》 * |
| 郭建 等: ""丁腈橡胶/三元乙丙橡胶并用胶的制备及性能"", 《合成橡胶工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148229A (en) * | 2017-12-11 | 2018-06-12 | 安徽五狼神橡胶制品有限公司 | A kind of corrosion resistant mildewproof rubber |
| CN108550426A (en) * | 2018-05-21 | 2018-09-18 | 徐州乐泰机电科技有限公司 | A kind of corrosion proof cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106317901B (en) | A kind of modified Nano compound silica gel sealing ring and its preparation | |
| CN101942161B (en) | Flexible polyvinyl chloride (PVC) plastic modified by acrylate rubber | |
| CN107189753B (en) | Deoximation type oil-resistant fluorosilicone sealant and preparation method thereof | |
| CN105400088B (en) | A kind of ethylene propylene diene rubber and neoprene co-vulcanization material and preparation method thereof | |
| CN104530550B (en) | A kind of thermoplastic elastomer (TPE) and preparation method thereof and the moulding process for conveyer belt | |
| CN111205565B (en) | Dynamic vulcanized halogen-free flame-retardant insulator sheath, umbrella skirt composite material and preparation method | |
| CN106810869B (en) | Heat-conducting silicone rubber composite material and preparation method thereof | |
| CN103408948A (en) | Rubber composition and application thereof | |
| CN109135076A (en) | A kind of insulation compound formula and preparation method thereof of low pressure rubber cable product | |
| CN104672630A (en) | Modified ethylene propylene rubber and preparation method thereof | |
| CN111073591A (en) | Single-component room temperature curing liquid silicone rubber and preparation method thereof | |
| CN107353454A (en) | The environmentally friendly oil resistant rubber of one kind sealing | |
| CN110372941A (en) | A kind of high density polyethylene pipe and preparation method thereof | |
| CN105037894A (en) | Flexible water-resistant polyethylene cable material and preparation method thereof | |
| CN109054220B (en) | Preparation method of environment-friendly weather-resistant high-light-transmission PVC (polyvinyl chloride) pipeline | |
| CN102827426A (en) | Low-cost insulating rubber for rubber insulated flexible wires and flexible cables | |
| CN104262976B (en) | A kind of air-tight promoter and preparation method and application | |
| CN107446160B (en) | Functionalization montmorillonite Reinforced PVC/NBR elastic body sealing strip and preparation method thereof | |
| CN105255029A (en) | Chlorinated polyethylene-Levapren blended rubber composition, preparation method and application | |
| CN112898688A (en) | Medium-low voltage grade halogen-free flame-retardant ethylene propylene rubber insulating material and preparation method thereof | |
| CN104558715B (en) | A kind of flame-retardant thermoplastic elastomer of low smoke and zero halogen cold resisting type and preparation method thereof | |
| CN109400984A (en) | A kind of new-energy automobile electricity jack dust cover and preparation method thereof | |
| CN105504756A (en) | Antiaging reinforced engineering plastic and preparation method thereof | |
| CN111117136A (en) | Cable material | |
| CN102964650B (en) | Modified nonpolar rubber and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |
|
| RJ01 | Rejection of invention patent application after publication |