CN110452433A - A kind of anti-aging rubber sealing ring material and preparation method thereof - Google Patents
A kind of anti-aging rubber sealing ring material and preparation method thereof Download PDFInfo
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- CN110452433A CN110452433A CN201910840360.5A CN201910840360A CN110452433A CN 110452433 A CN110452433 A CN 110452433A CN 201910840360 A CN201910840360 A CN 201910840360A CN 110452433 A CN110452433 A CN 110452433A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 98
- 239000000463 material Substances 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 51
- 150000001875 compounds Chemical class 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 22
- 239000010453 quartz Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 15
- 239000004014 plasticizer Substances 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 238000012958 reprocessing Methods 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 27
- 239000004632 polycaprolactone Substances 0.000 claims description 15
- 229920001610 polycaprolactone Polymers 0.000 claims description 15
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 13
- 239000012763 reinforcing filler Substances 0.000 claims description 13
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 12
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 11
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 10
- 239000012802 nanoclay Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 229920000800 acrylic rubber Polymers 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 6
- ZRMMVODKVLXCBB-UHFFFAOYSA-N 1-n-cyclohexyl-4-n-phenylbenzene-1,4-diamine Chemical compound C1CCCCC1NC(C=C1)=CC=C1NC1=CC=CC=C1 ZRMMVODKVLXCBB-UHFFFAOYSA-N 0.000 claims description 4
- 238000004898 kneading Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 238000001704 evaporation Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000004925 denaturation Methods 0.000 abstract description 3
- 230000036425 denaturation Effects 0.000 abstract description 3
- 230000009477 glass transition Effects 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical group C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical group CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 3
- SIXWIUJQBBANGK-UHFFFAOYSA-N 4-(4-fluorophenyl)-1h-pyrazol-5-amine Chemical compound N1N=CC(C=2C=CC(F)=CC=2)=C1N SIXWIUJQBBANGK-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920005560 fluorosilicone rubber Polymers 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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
- C08L9/06—Copolymers with styrene
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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
- 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
Abstract
The present invention provides a kind of anti-aging rubber sealing ring material and preparation method thereof, belongs to rubber packing material technical field, the anti-aging rubber sealing ring material and preparation method thereof specifically includes the following steps: weigh raw material in parts by weight；The mixed processing of raw material；The reprocessing of primary mixing；The reprocessing of second level rubber compound；Mold sulfidization molding；Cutting edge deburring processing；Quality inspection classification processing.A kind of anti-aging rubber sealing ring material of the present invention and preparation method thereof, the present invention disperses bauxite powder in raw material network structure, improves the wearability of rubber sheet gasket；The use of plasticizer reduces the glass transition temperature of rubber, rubber plasticity and mobility enhancing, reduces the hardness and stress at definite elongation of rubber；Joined nano silica, quartz fibre enhance sealing ring material pressure resistance denaturation can and anti-aging Corrosion Protection, effectively prevent the generation of evaporating, emitting, dripping or leaking of liquid or gas phenomenon；Preparation process is simple, beneficial effect at low cost.
Description
Technical field
The invention belongs to rubber packing material technical field more particularly to a kind of anti-aging rubber sealing ring material and its systems
Preparation Method.
Background technique
In the industrial production, pipeline connection is generally by flanged joint, and between flange plus rubber pad seals, and there are also some
Container, equipment etc. all make seal washer using rubber washer, these rubber pads, seal washer majority are with natural rubber, butylbenzene
Rubber etc. is process.
Rubber seal is that a kind of general basic element rubber seal in sealing device is answered extensively in sealing technique
A kind of rubber product, since it is small with elasticity modulus, the advantages that elongation is high, air permeation resistance and be widely used in pacifying
On various mechanical equipments.In the work environment, soda acid ingredient is contained in the lubricating system of mechanical equipment, it is readily permeable to close
In sealing, cause the expansion of sealing element, affect the service life of sealing element, moreover, long-term severe working environment, such as high temperature
High pressure etc. accelerates the spoilage of sealing element, and the replacement cycle of sealing element is short, brings trouble to the continuous production of enterprise.
Sealing ring is to prevent fluid or solia particle from leaking and prevent extraneous dust or moisture content etc. between adjacent faying face
Impurity invades the material or part of the components inside machinery equipment, and sealing ring generally can be in certain pressure and temperature condition
The sealing effect of the sealing ring of lower work, different structure and unlike material at different conditions is also different, however once seals
The seal failure of circle, it will directly affect the use of equipment.
China Patent Publication No. is CN109337377A, a kind of entitled anti-aging rubber sealing ring material of innovation and creation
And preparation method thereof, the anti-aging rubber sealing ring material is prepared by the raw material of following mass fraction: fluorine silicone rubber 80-
90 parts, 15-20 parts of acrylic rubber, 10-15 parts of neoprene, 10-15 parts of polyurethane rubber, 8-12 parts of polycaprolactone, fill out
Expect 12-20 parts, 5-8 parts of nano silica, 6-10 parts of quartz fibre, 3-8 parts of complex antiager, 2-5 parts of vulcanizing agent；It is described anti-
The preparation method of aging rubber sealing ring material is the following steps are included: the weighing of raw material, the pretreatment of raw material, premix
Preparation, the preparation of rubber compound, sulfidization molding, deburring processing.
But existing rubber seal is easy to not only cause material because corrosion and ageing causes breakage poorly sealed
Evaporating, emitting, dripping or leaking of liquid or gas phenomenon, and waste raw material, to mechanical equipment generate corrosion, shorten the service life of equipment.
It is very necessary so inventing a kind of anti-aging rubber sealing ring material and preparation method thereof.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of anti-aging rubber sealing ring material and preparation method thereof,
It is easy to not only cause material because corrosion and ageing causes breakage poorly sealed to solve existing existing rubber seal
Evaporating, emitting, dripping or leaking of liquid or gas phenomenon, and waste raw material, the problem of generating corrosion to mechanical equipment, shorten the service life of equipment.
A kind of anti-aging rubber sealing ring material is made of the raw material of following parts by weight: 80-90 parts of butadiene-styrene rubber, propylene
20-25 parts of acid esters rubber, 15-20 parts of neoprene, 25-35 parts of nanoclay, 10-15 parts of polyurethane rubber, polycaprolactone 8-
12 parts, it is 15-20 parts of reinforcing filler, 4-8 parts of nano silica, 5-15 parts of quartz fibre, 8-12 parts of nano-titanium dioxide, compound
2-10 parts of anti-aging agent, 4-8 parts of vulcanizing agent, 2.5-4.5 parts of auxiliary curing agent, 4-8 parts of bauxite powder, 10-20 parts of plasticizer.
Preferably, the reinforcing filler is the mixture of white carbon black, calcium carbonate and diatomite.
Preferably, the length of the quartz fibre is arranged within 2mm, and the silk diameter of the quartz fibre is set as
For 8~15um.
Preferably, the complex antiager is antioxidant MB, antioxidant 4010, antioxidant D NP, two in antioxidant A P
Kind or two or more mixtures.
Preferably, the grain diameter of the bauxite powder is set as 100-300 μm.
Preferably, the grain diameter of the nano-titanium dioxide is set as 20-80nm.
Preferably, the plasticizer is tricresyl phosphate, dioctyl phthalate, diisooctyl phthalate
One or more of with dibutyl phthalate.
Preferably, the anti-aging rubber sealing ring material preparation method specifically includes the following steps:
Step 1: raw material is weighed in parts by weight；
Step 2: the mixed processing of raw material；
Step 3: the reprocessing of primary mixing；
Step 4: the reprocessing of second level rubber compound；
Step 5: molding sulfidization molding；
Step 6: cutting edge deburring processing；
Step 7: quality inspection classification processing.
Preferably, in step 1, weighing for the raw material carries out in the following proportions: 80-90 parts of butadiene-styrene rubber, propylene
20-25 parts of acid esters rubber, 15-20 parts of neoprene, 25-35 parts of nanoclay, 10-15 parts of polyurethane rubber, polycaprolactone 8-
12 parts, it is 15-20 parts of reinforcing filler, 4-8 parts of nano silica, 5-15 parts of quartz fibre, 8-12 parts of nano-titanium dioxide, compound
2-10 parts of anti-aging agent, 4-8 parts of vulcanizing agent, 2.5-4.5 parts of auxiliary curing agent, 4-8 parts of bauxite powder, 10-20 parts of plasticizer.
Preferably, in step 2, butadiene-styrene rubber and acrylic rubber are added in mixer, it is enterprising in mixer
Row is plasticated, and is uniformly added into polycaprolactone after sizing material thickness of plasticating reaches 0.5~1.5mm, is kneaded uniformly, is obtained at 75~95 DEG C
It is stand-by to primary mixing.
Preferably, in step 2, bauxite powder and plasticizer are added in portions when temperature reaches 75~80 DEG C.
It preferably, first will be obtained in neoprene, nanoclay, polyurethane rubber and step 2 in step 3
Primary mixing is kneaded uniformly on kneading machine, and melting temperature is 100~130 DEG C, and reinforcing filler, nanometer titanium dioxide is then added
Silicon, quartz fibre and nano-titanium dioxide continue to be kneaded, and obtain second level rubber compound.
Preferably, in step 3, the mixing time is controlled in 20min~30min.
Preferably, in step 4, complex antiager is added in obtained second level rubber compound into step 3, is kneaded 2
~3min adds vulcanizing agent, then is kneaded 40~50s, obtains finished product rubber compound.
Preferably, in step 4, the melting temperature is set as 110~120 DEG C, and is added helps in the process
Vulcanizing agent.
Preferably, in step 5, by the obtained finished product rubber compound of step 4 be added in the mold of vulcanizing equipment into
Row sulfidization molding processing, to obtain Rubber seal material.
Preferably, in step 5, the curing temperature is 180~195 DEG C；The vulcanization time be 8~
15min；11~the 12.5MPa of sulfide stress.
Preferably, in step 6, by the communicated band of Rubber seal material obtained in step 5 be delivered to press mold at
At type trimmer, cutting edge deburring processing is carried out to get finished product anti-aging rubber sealing ring is arrived.
Preferably, in step 7, anti-aging rubber sealing ring is obtained to photo fix and carries out quality inspection classification processing.
Compared with prior art, the invention has the following beneficial effects: due to a kind of anti-aging rubber sealing of the invention
Loop material and preparation method thereof is widely used in rubber product technical field.Bauxite powder is dispersed raw material network knot by the present invention
In structure, the wearability of rubber sheet gasket is improved；The polycaprolactone of environmental protection will be joined in Rubber seal material, polycaprolactone can
It is crosslinked with polyurethane rubber, the reticular structure of formation is closer, and material is made to have certain self-repair function；Plasticising
The use of agent reduces the glass transition temperature of rubber, and rubber plasticity and mobility is enabled to enhance, and is convenient for calendering and extrusion molding operation,
The hardness and stress at definite elongation, raising elasticity of rubber can also be reduced simultaneously；Joined in Rubber seal material nano silica,
Quartz fibre enhances the pressure resistance denaturation energy and anti-aging Corrosion Protection of sealing ring material, and improve sealing ring uses the longevity
Life, effectively prevents the generation of evaporating, emitting, dripping or leaking of liquid or gas phenomenon, prevents raw material from generating corrosion to mechanical equipment, extends the use of equipment
Service life；Preparation process is simple, beneficial effect at low cost.
Detailed description of the invention
Fig. 1 is anti-aging rubber sealing ring material and preparation method thereof flow chart.
Specific embodiment
The present invention is described further below in conjunction with attached drawing:
As shown in Fig. 1
A kind of anti-aging rubber sealing ring material is made of the raw material of following parts by weight: 80-90 parts of butadiene-styrene rubber, propylene
20-25 parts of acid esters rubber, 15-20 parts of neoprene, 25-35 parts of nanoclay, 10-15 parts of polyurethane rubber, polycaprolactone 8-
12 parts, it is 15-20 parts of reinforcing filler, 4-8 parts of nano silica, 5-15 parts of quartz fibre, 8-12 parts of nano-titanium dioxide, compound
2-10 parts of anti-aging agent, 4-8 parts of vulcanizing agent, 2.5-4.5 parts of auxiliary curing agent, 4-8 parts of bauxite powder, 10-20 parts of plasticizer.
Preferably, the reinforcing filler is the mixture of white carbon black, calcium carbonate and diatomite.
Preferably, the length of the quartz fibre is arranged within 2mm, and the silk diameter of the quartz fibre is set as
For 8~15um.
Preferably, the complex antiager is antioxidant MB, antioxidant 4010, antioxidant D NP, two in antioxidant A P
Kind or two or more mixtures.
Preferably, the grain diameter of the bauxite powder is set as 100-300 μm.
Preferably, the grain diameter of the nano-titanium dioxide is set as 20-80nm.
Preferably, the plasticizer is tricresyl phosphate, dioctyl phthalate, diisooctyl phthalate
One or more of with dibutyl phthalate.
Preferably, the anti-aging rubber sealing ring material preparation method specifically includes the following steps:
Step 1: raw material is weighed in parts by weight；
Step 2: the mixed processing of raw material；
Step 3: the reprocessing of primary mixing；
Step 4: the reprocessing of second level rubber compound；
Step 5: molding sulfidization molding；
Step 6: cutting edge deburring processing；
Step 7: quality inspection classification processing.
Preferably, in step 1, weighing for the raw material carries out in the following proportions: 80-90 parts of butadiene-styrene rubber, propylene
20-25 parts of acid esters rubber, 15-20 parts of neoprene, 25-35 parts of nanoclay, 10-15 parts of polyurethane rubber, polycaprolactone 8-
12 parts, it is 15-20 parts of reinforcing filler, 4-8 parts of nano silica, 5-15 parts of quartz fibre, 8-12 parts of nano-titanium dioxide, compound
2-10 parts of anti-aging agent, 4-8 parts of vulcanizing agent, 2.5-4.5 parts of auxiliary curing agent, 4-8 parts of bauxite powder, 10-20 parts of plasticizer.
Preferably, in step 2, butadiene-styrene rubber and acrylic rubber are added in mixer, it is enterprising in mixer
Row is plasticated, and is uniformly added into polycaprolactone after sizing material thickness of plasticating reaches 0.5~1.5mm, is kneaded uniformly, is obtained at 75~95 DEG C
It is stand-by to primary mixing.
Preferably, in step 2, bauxite powder and plasticizer are added in portions when temperature reaches 75~80 DEG C.
It preferably, first will be obtained in neoprene, nanoclay, polyurethane rubber and step 2 in step 3
Primary mixing is kneaded uniformly on kneading machine, and melting temperature is 100~130 DEG C, and reinforcing filler, nanometer titanium dioxide is then added
Silicon, quartz fibre and nano-titanium dioxide continue to be kneaded, and obtain second level rubber compound.
Preferably, in step 3, the mixing time is controlled in 20min~30min.
Preferably, in step 4, complex antiager is added in obtained second level rubber compound into step 3, is kneaded 2
~3min adds vulcanizing agent, then is kneaded 40~50s, obtains finished product rubber compound.
Preferably, in step 4, the melting temperature is set as 110~120 DEG C, and is added helps in the process
Vulcanizing agent.
Preferably, in step 5, by the obtained finished product rubber compound of step 4 be added in the mold of vulcanizing equipment into
Row sulfidization molding processing, to obtain Rubber seal material.
Preferably, in step 5, the curing temperature is 180~195 DEG C；The vulcanization time be 8~
15min；11~the 12.5MPa of sulfide stress.
Preferably, in step 6, by the communicated band of Rubber seal material obtained in step 5 be delivered to press mold at
At type trimmer, cutting edge deburring processing is carried out to get finished product anti-aging rubber sealing ring is arrived.
Preferably, in step 7, anti-aging rubber sealing ring is obtained to photo fix and carries out quality inspection classification processing；Quality inspection mark
Standard is detected according to GB/T 21873-200 and professional standard.
Embodiment 1
The invention discloses a kind of anti-aging rubber sealing ring materials and preparation method thereof, the specific steps are as follows:
Step 1: weigh raw material in parts by weight: weighing for material carries out in the following proportions: 80 parts of butadiene-styrene rubber, acrylic acid
20 parts of ester rubber, 15 parts of neoprene, 25 parts of nanoclay, 10 parts of polyurethane rubber, 8 parts of polycaprolactone, 15 parts of reinforcing filler,
4 parts of nano silica, 5 parts of quartz fibre, 8 parts of nano-titanium dioxide, 2 parts of complex antiager, 4 parts of vulcanizing agent, auxiliary curing agent
2.5 parts, 4 parts of bauxite powder, 10 parts of plasticizer；
Step 2: the mixed processing of raw material: butadiene-styrene rubber and acrylic rubber are added in mixer, in mixer
On plasticate, be uniformly added into polycaprolactone after sizing material thickness of plasticating reaches 1mm, at 75~95 DEG C be kneaded uniformly, in temperature
Degree is added in portions bauxite powder and plasticizer when reaching 75~80 DEG C, the plasticizer is tricresyl phosphate and O-phthalic
It is stand-by to obtain primary mixing for dioctyl phthalate；
Step 3: the reprocessing of primary mixing: first will be in neoprene, nanoclay, polyurethane rubber and step 2
Resulting primary mixing is kneaded uniformly on kneading machine, and melting temperature is 100~130 DEG C, and reinforcing filler, nanometer two is then added
Silica, quartz fibre and nano-titanium dioxide continue to be kneaded, and obtain second level rubber compound；The mixing time control exists
20min；The length of the quartz fibre is arranged within 2mm, and the silk diameter of the quartz fibre is set as 8~
15um；
Step 4: it the reprocessing of second level rubber compound: is added in obtained second level rubber compound into step 3 compound anti-old
Agent, the complex antiager are the mixture of antioxidant MB and antioxidant 4010, are kneaded 2min, add vulcanizing agent, then mix
40s is refined, finished product rubber compound is obtained；The melting temperature is set as 110~120 DEG C, and is added helps vulcanization in the process
Agent；
Step 5: molding sulfidization molding: the obtained finished product rubber compound of step 4 is added in the mold of vulcanizing equipment
Sulfidization molding processing is carried out, to obtain Rubber seal material；The curing temperature is 180 DEG C；The vulcanization time
For 8min；The sulfide stress 11MPa；
Step 6: the communicated band of Rubber seal material obtained in step 5 cutting edge deburring processing: is delivered to press mold
It forms at trimmer, carries out cutting edge deburring processing to get finished product anti-aging rubber sealing ring is arrived；
Step 7: quality inspection classification processing: anti-aging rubber sealing ring is obtained to photo fix and carries out quality inspection classification processing, quality inspection
Standard is detected according to GB/T 21873-200 and professional standard.
For embodiment 1 to the performance detection of sealing ring, Shao Er A type hardness tester is 55 degree, tensile strength 24.6MPa, 350%
Stress at definite elongation is 6.6MPa, is polished 3 hours under 20000 turns, wear rate only has 12%, and high temperature resistant reaches 160 DEG C.
A kind of anti-aging rubber sealing ring material of the invention and preparation method thereof is widely used in rubber product technology neck
Domain.Bauxite powder of the present invention is scattered in raw material network structure, improves the wearability of rubber sheet gasket；By Rubber seal material
In joined the polycaprolactone of environmental protection, polycaprolactone can crosslink with polyurethane rubber, and the reticular structure of formation is closer, and
And make material that there is certain self-repair function；The use of plasticizer reduces the glass transition temperature of rubber, enable rubber plasticity and
Mobility enhances, and convenient for calendering and extrusion molding operation, while can also reduce the hardness and stress at definite elongation, raising elasticity of rubber；
It joined nano silica in Rubber seal material, quartz fibre enhances the pressure resistance denaturation energy of sealing ring material and resists
Aging Corrosion Protection, improves the service life of sealing ring, effectively prevents the generation of evaporating, emitting, dripping or leaking of liquid or gas phenomenon, prevents former material object
Material generates corrosion to mechanical equipment, extends the service life of equipment；Preparation process is simple, beneficial effect at low cost.
Using technical solutions according to the invention or those skilled in the art under the inspiration of technical solution of the present invention,
Similar technical solution is designed, and reaches above-mentioned technical effect, is to fall into protection scope of the present invention.
Claims (10)
1. a kind of anti-aging rubber sealing ring material and preparation method thereof, which is characterized in that the anti-aging rubber sealing ring material
Be made of the raw material of following parts by weight: 80-90 parts of butadiene-styrene rubber, 20-25 parts of acrylic rubber, 15-20 parts of neoprene,
25-35 parts of nanoclay, 10-15 parts of polyurethane rubber, 8-12 parts of polycaprolactone, 15-20 parts of reinforcing filler, nano silica
4-8 parts, 5-15 parts of quartz fibre, 8-12 parts of nano-titanium dioxide, 2-10 parts of complex antiager, 4-8 parts of vulcanizing agent, auxiliary curing agent
2.5-4.5 parts, 4-8 parts of bauxite powder, 10-20 parts of plasticizer.
2. anti-aging rubber sealing ring material as described in claim 1, which is characterized in that the reinforcing filler is hard charcoal
The mixture of black, calcium carbonate and diatomite.
3. anti-aging rubber sealing ring material as described in claim 1, which is characterized in that the length of the quartz fibre is set
It sets within 2mm, the silk diameter of the quartz fibre is set as 8~15um.
4. anti-aging rubber sealing ring material as described in claim 1, which is characterized in that the complex antiager is anti-old
Agent MB, antioxidant 4010, antioxidant D NP, two or more the mixture in antioxidant A P.
5. the preparation method of anti-aging rubber sealing ring material as described in claim 1, which is characterized in that anti-aging rubber is close
Seal material preparation method specifically includes the following steps:
Step 1: raw material is weighed in parts by weight；
Step 2: the mixed processing of raw material；
Step 3: the reprocessing of primary mixing；
Step 4: the reprocessing of second level rubber compound；
Step 5: molding sulfidization molding；
Step 6: cutting edge deburring processing；
Step 7: quality inspection classification processing.
6. the preparation method of anti-aging rubber sealing ring material as claimed in claim 5, which is characterized in that in step 2,
Butadiene-styrene rubber and acrylic rubber are added in mixer, plasticated on mixer, sizing material thickness reaches when plasticating
It is uniformly added into polycaprolactone after 0.5~1.5mm, is kneaded uniformly at 75~95 DEG C, it is stand-by to obtain primary mixing.
7. the preparation method of anti-aging rubber sealing ring material as claimed in claim 5, which is characterized in that in step 2,
Bauxite powder and plasticizer are added in portions when temperature reaches 75~80 DEG C.
8. the preparation method of anti-aging rubber sealing ring material as claimed in claim 5, which is characterized in that in step 3,
First primary mixing obtained in neoprene, nanoclay, polyurethane rubber and step 2 is kneaded uniformly on kneading machine,
Melting temperature is 100~130 DEG C, and reinforcing filler, nano silica, quartz fibre and nano-titanium dioxide is then added and continues
It is kneaded, obtains second level rubber compound.
9. anti-aging rubber sealing ring material as claimed in claim 8 and preparation method, which is characterized in that in step 3
In, the mixing time is controlled in 20min~30min.
10. the preparation method of anti-aging rubber sealing ring material as claimed in claim 5, which is characterized in that in step 4,
Complex antiager is added in obtained second level rubber compound into step 3, is kneaded 2~3min, adds vulcanizing agent, then be kneaded
40~50s obtains finished product rubber compound.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497499A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Nano-pottery clay-containing rubber seal ring material and preparation method thereof |
| CN107033410A (en) * | 2017-04-26 | 2017-08-11 | 国网河南方城县供电公司 | Transformer sealing ring elastomeric material and preparation method thereof |
| CN109337377A (en) * | 2018-09-27 | 2019-02-15 | 浙江省仙居县中兴橡胶密封件有限公司 | A kind of anti-aging rubber sealing ring material and preparation method thereof |
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- 2019-09-06 CN CN201910840360.5A patent/CN110452433A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497499A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Nano-pottery clay-containing rubber seal ring material and preparation method thereof |
| CN107033410A (en) * | 2017-04-26 | 2017-08-11 | 国网河南方城县供电公司 | Transformer sealing ring elastomeric material and preparation method thereof |
| CN109337377A (en) * | 2018-09-27 | 2019-02-15 | 浙江省仙居县中兴橡胶密封件有限公司 | A kind of anti-aging rubber sealing ring material and preparation method thereof |
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Application publication date: 20191115 |