CN110483858A - A kind of preparation process of oil resistant sealing joint strip rubber composite material - Google Patents
A kind of preparation process of oil resistant sealing joint strip rubber composite material Download PDFInfo
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- CN110483858A CN110483858A CN201910858332.6A CN201910858332A CN110483858A CN 110483858 A CN110483858 A CN 110483858A CN 201910858332 A CN201910858332 A CN 201910858332A CN 110483858 A CN110483858 A CN 110483858A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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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
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation processes of oil resistant sealing joint strip rubber composite material, more particularly to sealing joint strip field, it is 90-110 parts that wherein used major ingredient (according to parts by weight), which includes: NBR, and activating agent is 3.5-4.5 parts, stearic acid SA are as follows: 0.38-0.42 parts, filler is 56-64 parts, sulphur S is 0.48-0.52 parts, and promotor is 0.7-0.9 parts, and cold resistant plasticizer DOA is 5-7 parts, anti-aging agent is 4-5 parts, and vulcanizing agent DCP is 2.3-2.7 parts；Specific preparation process is as follows: S1, mixing；S2, vulcanization sample preparation.The present invention is using NBR, activating agent, stearic acid SA, filler, sulphur S, promotor, cold resistant plasticizer DOA, anti-aging agent, vulcanizing agent DCP as raw material, using calendering process, and pass through vulcanization sample preparation, optimal machined parameters can be obtained, the sealing joint strip of preparation has the characteristics such as excellent corrosion-resistant, ageing-resistant, cold-resistant, oil resistant corrosion, it is also applied for producing in enormous quantities, product quality and yield rate can access good guarantee.
Description
Technical field
The present invention relates to sealing joint strip technical fields, it is more particularly related to which a kind of oil resistant sealing joint strip uses rubber
The preparation process of glue composite material.
Background technique
Sealing joint strip (rubber seal strip) is the adhesive tape formed by rubber production for product sealing.Mainly answer
For fields such as automobile, machinery, door and windows, inside and outside medium (rainwater, air, sand and dust etc.) can be prevented to leak or invade, can be prevented
Only or mitigate the damage due to caused by mechanical vibration, impact, thus the effects of reaching sealing, sound insulation, heat-insulated and damping
Flexible band-like or club-shaped material.
But existing sealing joint strip is when in use, typically has fine sealing performance, but encounter greasy dirt (petroleum
Class vehicle wax) when, the corrosion of sealing strip can be quickly resulted in, will lead to sealing effect variation.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, it is multiple that the embodiment of the present invention provides a kind of oil resistant sealing joint strip rubber
The preparation process of condensation material, by using NBR, activating agent, stearic acid SA, filler, sulphur S, promotor, cold resistant plasticizer DOA,
The raw material of anti-aging agent, vulcanizing agent DCP as sealing joint strip using the processing technology of mixing when processing, and passes through vulcanization sample preparation, energy
Optimal machined parameters are enough obtained, the sealing joint strip of preparation has the spies such as excellent corrosion-resistant, ageing-resistant, cold-resistant, oil resistant corrosion
Property, it is also applied for producing in enormous quantities, product quality and yield rate can access good guarantee.
To achieve the above object, the invention provides the following technical scheme: a kind of oil resistant sealing joint strip rubber composite material
Preparation process, wherein used in major ingredient (according to parts by weight) include: NBR be 90-110 parts, activating agent 3.5-4.5
Part, stearic acid SA are as follows: 0.38-0.42 parts, filler is 56-64 parts, and sulphur S is 0.48-0.52 parts, and promotor is 0.7-0.9 parts,
Cold resistant plasticizer DOA is 5-7 parts, and anti-aging agent is 4-5 parts, and vulcanizing agent DCP is 2.3-2.7 parts.
In a preferred embodiment, the activating agent is specially zinc oxide (ZnO).
In a preferred embodiment, the promotor specifically includes: altax and accelerant CZ, and promotor
DM and accelerant CZ mass ratio are as follows: 0.2-0.3:0.5-0.6.
In a preferred embodiment, the filler specifically includes: carbon black N330 and carbon black N550, and carbon black N330
With carbon black N550 mass ratio are as follows: 16-24:36-44 can assign sealing joint strip beautiful black, moreover, also have anti-purple
The functions such as outside line, acid and alkali-resistance.
In a preferred embodiment, the anti-aging agent specifically includes: anti-aging agent RD, is prevented always antioxidant 4010NA
Agent AW, antioxidant NBC and paraffin, and anti-aging agent RD, antioxidant 4010NA, antioxidant A W, antioxidant NBC and Quality of Paraffin Waxes ratio
Are as follows: 0.8-1.2:1-1.2:1.2-1.6:0.8-1.2:0.8-1.2.
A kind of preparation process of oil resistant sealing joint strip rubber composite material, specific preparation process is as follows:
S1, mixing；
S1.1, first two rollers of two roller open mills are cleaned up, then two roller roll spacings is adjusted to 1mm, carry out raw rubber NBR
Plasticate；
S1.2, vulcanizing agent DCP, sulphur S, accelerant CZ, altax, cold resistant plasticizer DOA, anti-aging agent are then weighed
4010NA, anti-aging agent RD, antioxidant A W, antioxidant NBC, paraffin, wherein sulphur S and vulcanizing agent DCP is respectively placed in a weighing
In disk, accelerant CZ and altax are placed in a weighing plate, antioxidant 4010NA, anti-aging agent RD, antioxidant A W, anti-aging agent
Totally five kinds of anti-aging agents are placed in a weighing plate for NBC and paraffin, and cold resistant plasticizer DOA is placed in a weighing plate, carries out experiment
Preceding preparation；
S1.3, the raw rubber plasticated is put on two roller open mills, after its packet roller, is observed on two roller of open mill
Glue is accumulated, adjustment roll spacing is dynamic until accumulating rubber-surfaced roll, keeps two roller spacing constant, and after opening mill mixer roller cooling water, sequence adds
Enter filler, anti-aging agent, cold resistant plasticizer DOA, promotor, sulphur S, vulcanizing agent and activating agent, after all drugs are added, removes
Roll spacing is transferred to minimum by glue stuff compounding, thin to lead to and beat triangle bag, and 4mm, slice finally are transferred in roll spacing；
S2, vulcanization sample preparation；
S2.1, it is kneaded uniform rubber compound, after room temperature stands 8h, then starts curability test, pass through no rotor sulphur
Change the curability of instrument measurement NBR rubber compound, 6 grams of sample, curing temperature is 160 DEG C, handles the data of test experiments, is mixed
Refining glue curing curve figure and sulfurizing time T90；
S2.2, vulcanization test is carried out using 25t compression molding instrument, curing temperature is 160 DEG C；
For 2mm standard tensile piece, vulcanization time T90+ 2-3min, sulfurizing mould are 2mm standard module；
For 2mm standard tearing sheet, vulcanization time T90+ 2-3min, sulfurizing mould are 2mm standard module；
For standard compression permanent deformation sample, 2 × T of vulcanization time90+ 2-3min, sulfurizing mould are standard compression column mould
Tool；
For Standard erosion strip, vulcanization time is 1.5 × T90+ 2-3min, sulfurizing mould are Standard erosion bar mold；
Then the above compression molding sample starts other performance tests after room temperature stands 16h；
S2.3, obtain performance test passes in above-mentioned steps compression molding sample process data, in this, as foundation
The vulcanization for carrying out rubber compound, obtains corresponding oil resistant sealing joint strip finished product.
In a preferred embodiment, thin logical using two roller open mills when raw rubber NBR plasticates in the step S1.1
2 times, raw rubber is made to be uniformly dispersed, improves the melting effect of rubber compound.
In a preferred embodiment, in the step S1.3, movement that is thin logical and beating triangle bag is repeated to 6 times.
In a preferred embodiment, in the step S1.3, after a kind of drug is added every time, each rubber tapping three in left and right
It is secondary, after sizing material surface does not have drug, add a kind of lower drug.
Technical effect and advantage of the invention:
1, the present invention by using NBR, activating agent, stearic acid SA, filler, sulphur S, promotor, cold resistant plasticizer DOA,
The raw material of anti-aging agent, vulcanizing agent DCP as sealing joint strip using the processing technology of mixing when processing, and passes through vulcanization sample preparation, energy
Optimal machined parameters are enough obtained, the sealing joint strip of preparation has the spies such as excellent corrosion-resistant, ageing-resistant, cold-resistant, oil resistant corrosion
Property, it is also applied for producing in enormous quantities, product quality and yield rate can access good guarantee；
2, by using by five kinds of antioxidant 4010NA, anti-aging agent RD, antioxidant A W, antioxidant NBC and paraffin material groups
At anti-aging agent, can guarantee that anti-aging and anti-corrosion capability of the sealing joint strip when being exposed to the sun for a long time are higher, will not be light
Easily there is a situation where agings, corrosion；
3, by using the filler being made of carbon black N330 and carbon black N550, it can not only assign sealing joint strip beautiful black
Color also has the function of uvioresistant, acid and alkali-resistance etc., the function of also having oil rub resistance to corrode for sealing joint strip.
Specific embodiment
Below in conjunction with the embodiment in the present invention, technical solution in the embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment 1:
The present invention provides a kind of preparation processes of oil resistant sealing joint strip rubber composite material, wherein used major ingredient
(according to parts by weight) include: NBR be 90-110 part, activating agent be 3.5-4.5 parts, stearic acid SA are as follows: 0.38-0.42 parts, fill out
Material is 56-64 parts, and sulphur S is 0.48-0.52 parts, and promotor is 0.7-0.9 parts, and cold resistant plasticizer DOA is 5-7 parts, anti-aging agent
It is 4-5 parts, vulcanizing agent DCP is 2.3-2.7 parts；
The activating agent is specially zinc oxide (ZnO)；
The promotor specifically includes: altax and accelerant CZ, and altax and accelerant CZ mass ratio are as follows:
0.2-0.3:0.5-0.6；
The filler specifically includes: carbon black N330 and carbon black N550, and carbon black N330 and carbon black N550 mass ratio are as follows: 16-
24:36-44 can assign sealing joint strip beautiful black, moreover, also have the function of uvioresistant, acid and alkali-resistance etc.；
The anti-aging agent specifically includes: anti-aging agent RD, antioxidant 4010NA, antioxidant A W, antioxidant NBC and paraffin, and
Anti-aging agent RD, antioxidant 4010NA, antioxidant A W, antioxidant NBC and Quality of Paraffin Waxes ratio are as follows: 0.8-1.2:1-1.2:1.2-1.6:
0.8-1.2:0.8-1.2；
And specific in the present embodiment, wherein used in major ingredient (according to parts by weight) include: NBR be 90 parts, activity
Agent is 4.5 parts, stearic acid SA are as follows: 0.38 part, it is 36 parts that carbon black N330, which is 24 parts and carbon black N550, and sulphur S is 0.52 part, is promoted
It is 0.2 part into agent DM, accelerant CZ is 0.6 part, and cold resistant plasticizer DOA is 5 parts, and anti-aging agent RD is 1.2 parts, antioxidant 4010NA
For 1 part, antioxidant A W be 1.6 parts, antioxidant NBC is 0.8 part, and paraffin is 1.2 parts, and vulcanizing agent DCP is 2.3 parts:
A kind of preparation process of oil resistant sealing joint strip rubber composite material, specific preparation process is as follows:
S1, mixing；
S1.1, first two rollers of two roller open mills are cleaned up, then two roller roll spacings is adjusted to 1mm, carry out raw rubber NBR
Plasticate, it is logical 2 times thin using two roller open mills when raw rubber NBR plasticates, so that raw rubber is uniformly dispersed, improve the mixing effect of rubber compound
Fruit；
S1.2, vulcanizing agent DCP, sulphur S, accelerant CZ, altax, cold resistant plasticizer DOA, anti-aging agent are then weighed
4010NA, anti-aging agent RD, antioxidant A W, antioxidant NBC, paraffin, wherein sulphur S and vulcanizing agent DCP is respectively placed in a weighing
In disk, accelerant CZ and altax are placed in a weighing plate, antioxidant 4010NA, anti-aging agent RD, antioxidant A W, anti-aging agent
Totally five kinds of anti-aging agents are placed in a weighing plate for NBC and paraffin, and cold resistant plasticizer DOA is placed in a weighing plate, carries out experiment
Preceding preparation；
S1.3, the raw rubber plasticated is put on two roller open mills, after its packet roller, is observed on two roller of open mill
Glue is accumulated, adjustment roll spacing is dynamic until accumulating rubber-surfaced roll, keeps two roller spacing constant, and after opening mill mixer roller cooling water, sequence adds
Enter filler, anti-aging agent, cold resistant plasticizer DOA, promotor, sulphur S, vulcanizing agent and activating agent, it is left after a kind of drug is added every time
Right each rubber tapping three times, after sizing material surface does not have drug, adds a kind of lower drug, after all drugs are added, removes mixing
Roll spacing is transferred to minimum by sizing material, thin to lead to and beat triangle bag (movement is repeated to 6 times), and 4mm, slice finally are transferred in roll spacing；
S2, vulcanization sample preparation；
S2.1, it is kneaded uniform rubber compound, after room temperature stands 8h, then starts curability test, pass through no rotor sulphur
Change the curability of instrument measurement NBR rubber compound, 6 grams of sample, curing temperature is 160 DEG C, handles the data of test experiments, is mixed
Refining glue curing curve figure and sulfurizing time T90；
S2.2, vulcanization test is carried out using 25t compression molding instrument, curing temperature is 160 DEG C；
For 2mm standard tensile piece, vulcanization time T90+ 2min, sulfurizing mould are 2mm standard module；
For 2mm standard tearing sheet, vulcanization time T90+ 2min, sulfurizing mould are 2mm standard module；
For standard compression permanent deformation sample, 2 × T of vulcanization time90+ 2min, sulfurizing mould are standard compression post mold；
For Standard erosion strip, vulcanization time is 1.5 × T90+ 2min, sulfurizing mould are Standard erosion bar mold；
Then the above compression molding sample starts other performance tests after room temperature stands 16h；
S2.3, obtain performance test passes in above-mentioned steps compression molding sample process data, in this, as foundation
The vulcanization for carrying out rubber compound, obtains corresponding oil resistant sealing joint strip finished product.
Embodiment 2:
Specific in the present embodiment, wherein used in major ingredient (according to parts by weight) include: NBR be 110 parts, activating agent
It is 4 parts, stearic acid SA are as follows: 0.4 part, it is 40 parts that carbon black N330, which is 20 parts and carbon black N550, and sulphur S is 0.5 part, altax
It is 0.25 part, accelerant CZ is 0.55 part, and cold resistant plasticizer DOA is 6 parts, and anti-aging agent RD is 1 part, antioxidant 4010NA 1.1
Part, antioxidant A W are 1.4 parts, antioxidant NBC is 1 part, and paraffin is 1 part, and vulcanizing agent DCP is 2.5 parts:
A kind of preparation process of oil resistant sealing joint strip rubber composite material, specific preparation process is as follows:
S1, mixing；
S1.1, first two rollers of two roller open mills are cleaned up, then two roller roll spacings is adjusted to 1mm, carry out raw rubber NBR
Plasticate, it is logical 2 times thin using two roller open mills when raw rubber NBR plasticates, so that raw rubber is uniformly dispersed, improve the mixing effect of rubber compound
Fruit；
S1.2, vulcanizing agent DCP, sulphur S, accelerant CZ, altax, cold resistant plasticizer DOA, anti-aging agent are then weighed
4010NA, anti-aging agent RD, antioxidant A W, antioxidant NBC, paraffin, wherein sulphur S and vulcanizing agent DCP is respectively placed in a weighing
In disk, accelerant CZ and altax are placed in a weighing plate, antioxidant 4010NA, anti-aging agent RD, antioxidant A W, anti-aging agent
Totally five kinds of anti-aging agents are placed in a weighing plate for NBC and paraffin, and cold resistant plasticizer DOA is placed in a weighing plate, carries out experiment
Preceding preparation；
S1.3, the raw rubber plasticated is put on two roller open mills, after its packet roller, is observed on two roller of open mill
Glue is accumulated, adjustment roll spacing is dynamic until accumulating rubber-surfaced roll, keeps two roller spacing constant, and after opening mill mixer roller cooling water, sequence adds
Enter filler, anti-aging agent, cold resistant plasticizer DOA, promotor, sulphur S, vulcanizing agent and activating agent, it is left after a kind of drug is added every time
Right each rubber tapping three times, after sizing material surface does not have drug, adds a kind of lower drug, after all drugs are added, removes mixing
Roll spacing is transferred to minimum by sizing material, thin to lead to and beat triangle bag (movement is repeated to 6 times), and 4mm, slice finally are transferred in roll spacing；
S2, vulcanization sample preparation；
S2.1, it is kneaded uniform rubber compound, after room temperature stands 8h, then starts curability test, pass through no rotor sulphur
Change the curability of instrument measurement NBR rubber compound, 6 grams of sample, curing temperature is 160 DEG C, handles the data of test experiments, is mixed
Refining glue curing curve figure and sulfurizing time T90；
S2.2, vulcanization test is carried out using 25t compression molding instrument, curing temperature is 160 DEG C；
For 2mm standard tensile piece, vulcanization time T90+ 2.5min, sulfurizing mould are 2mm standard module；
For 2mm standard tearing sheet, vulcanization time T90+ 2.5min, sulfurizing mould are 2mm standard module；
For standard compression permanent deformation sample, 2 × T of vulcanization time90+ 2.5min, sulfurizing mould are standard compression column mould
Tool；
For Standard erosion strip, vulcanization time is 1.5 × T90+ 2.5min, sulfurizing mould are Standard erosion bar mold；
Then the above compression molding sample starts other performance tests after room temperature stands 16h；
S2.3, obtain performance test passes in above-mentioned steps compression molding sample process data, in this, as foundation
The vulcanization for carrying out rubber compound, obtains corresponding oil resistant sealing joint strip finished product.
Embodiment 3:
Specific in the present embodiment, wherein used in major ingredient (according to parts by weight) include: NBR be 110 parts, activating agent
It is 3.5 parts, stearic acid SA are as follows: 0.42 part, it is 44 parts that carbon black N330, which is 16 parts and carbon black N550, and sulphur S is 0.48 part, is promoted
Agent DM is 0.3 part, and accelerant CZ is 0.5 part, and cold resistant plasticizer DOA is 7 parts, and anti-aging agent RD is 0.8 part, and antioxidant 4010NA is
1.2 parts, antioxidant A W be 1.2 parts, antioxidant NBC is 1.2 parts, paraffin be 0.8 part, vulcanizing agent DCP be 2.7 parts:
A kind of preparation process of oil resistant sealing joint strip rubber composite material, specific preparation process is as follows:
S1, mixing；
S1.1, first two rollers of two roller open mills are cleaned up, then two roller roll spacings is adjusted to 1mm, carry out raw rubber NBR
Plasticate, it is logical 2 times thin using two roller open mills when raw rubber NBR plasticates, so that raw rubber is uniformly dispersed, improve the mixing effect of rubber compound
Fruit；
S1.2, vulcanizing agent DCP, sulphur S, accelerant CZ, altax, cold resistant plasticizer DOA, anti-aging agent are then weighed
4010NA, anti-aging agent RD, antioxidant A W, antioxidant NBC, paraffin, wherein sulphur S and vulcanizing agent DCP is respectively placed in a weighing
In disk, accelerant CZ and altax are placed in a weighing plate, antioxidant 4010NA, anti-aging agent RD, antioxidant A W, anti-aging agent
Totally five kinds of anti-aging agents are placed in a weighing plate for NBC and paraffin, and cold resistant plasticizer DOA is placed in a weighing plate, carries out experiment
Preceding preparation；
S1.3, the raw rubber plasticated is put on two roller open mills, after its packet roller, is observed on two roller of open mill
Glue is accumulated, adjustment roll spacing is dynamic until accumulating rubber-surfaced roll, keeps two roller spacing constant, and after opening mill mixer roller cooling water, sequence adds
Enter filler, anti-aging agent, cold resistant plasticizer DOA, promotor, sulphur S, vulcanizing agent and activating agent, it is left after a kind of drug is added every time
Right each rubber tapping three times, after sizing material surface does not have drug, adds a kind of lower drug, after all drugs are added, removes mixing
Roll spacing is transferred to minimum by sizing material, thin to lead to and beat triangle bag (movement is repeated to 6 times), and 4mm, slice finally are transferred in roll spacing；
S2, vulcanization sample preparation；
S2.1, it is kneaded uniform rubber compound, after room temperature stands 8h, then starts curability test, pass through no rotor sulphur
Change the curability of instrument measurement NBR rubber compound, 6 grams of sample, curing temperature is 160 DEG C, handles the data of test experiments, is mixed
Refining glue curing curve figure and sulfurizing time T90；
S2.2, vulcanization test is carried out using 25t compression molding instrument, curing temperature is 160 DEG C；
For 2mm standard tensile piece, vulcanization time T90+ 3min, sulfurizing mould are 2mm standard module；
For 2mm standard tearing sheet, vulcanization time T90+ 3min, sulfurizing mould are 2mm standard module；
For standard compression permanent deformation sample, 2 × T of vulcanization time90+ 3min, sulfurizing mould are standard compression post mold；
For Standard erosion strip, vulcanization time is 1.5 × T90+ 3min, sulfurizing mould are Standard erosion bar mold；
Then the above compression molding sample starts other performance tests after room temperature stands 16h；
S2.3, obtain performance test passes in above-mentioned steps compression molding sample process data, in this, as foundation
The vulcanization for carrying out rubber compound, obtains corresponding oil resistant sealing joint strip finished product.
Embodiment 4:
30 oil resistant sealing joint strips obtained by above-described embodiment 1-3 are taken to carry out oil resistance anticorrosion erosion test and tension respectively
Intensity and tearing toughness test are stretched, compared with the PVC plastic that existing glass for vehicle window uses, obtains following data:
As seen from the above table, raw material mixing ratio is moderate in embodiment 2, using the processing technology of mixing when processing, and passes through
Vulcanize sample preparation, optimal machined parameters can be obtained, thus the sealing joint strip of preparation have it is excellent corrosion-resistant, ageing-resistant, resistance to
The characteristics such as cold, oil resistant corrosion, are also applied for producing in enormous quantities, product quality and yield rate can access good guarantee.
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of oil resistant sealing joint strip rubber composite material, it is characterised in that: major ingredient used in wherein is (in parts by weight
Meter) include: NBR be 90-110 part, activating agent be 3.5-4.5 parts, stearic acid SA are as follows: 0.38-0.42 parts, filler be 56-64 parts,
Sulphur S is 0.48-0.52 parts, and promotor is 0.7-0.9 parts, and cold resistant plasticizer DOA is 5-7 parts, and anti-aging agent is 4-5 parts, vulcanization
Agent DCP is 2.3-2.7 parts.
2. a kind of oil resistant sealing joint strip rubber composite material according to claim 1, it is characterised in that: the activating agent
Specially zinc oxide (ZnO).
3. a kind of oil resistant sealing joint strip rubber composite material according to claim 1, it is characterised in that: the promotor
It specifically includes: altax and accelerant CZ, and altax and accelerant CZ mass ratio are as follows: 0.2-0.3:0.5-0.6.
4. a kind of oil resistant sealing joint strip rubber composite material according to claim 1, it is characterised in that: the filler tool
Body includes: carbon black N330 and carbon black N550, and carbon black N330 and carbon black N550 mass ratio are as follows: 16-24:36-44.
5. a kind of oil resistant sealing joint strip rubber composite material according to claim 1, it is characterised in that: the anti-aging agent
It specifically includes: anti-aging agent RD, antioxidant 4010NA, antioxidant A W, antioxidant NBC and paraffin, and anti-aging agent RD, anti-aging agent
4010NA, antioxidant A W, antioxidant NBC and Quality of Paraffin Waxes ratio are as follows: 0.8-1.2:1-1.2:1.2-1.6:0.8-1.2:0.8-
1.2。
6. a kind of preparation process of oil resistant sealing joint strip rubber composite material, which is characterized in that specific preparation process is as follows:
S1, mixing；
S1.1, first two rollers of two roller open mills are cleaned up, then two roller roll spacings is adjusted to 1mm, carry out the modeling of raw rubber NBR
Refining；
S1.2, vulcanizing agent DCP, sulphur S, accelerant CZ, altax, cold resistant plasticizer DOA, anti-aging agent are then weighed
4010NA, anti-aging agent RD, antioxidant A W, antioxidant NBC, paraffin, wherein sulphur S and vulcanizing agent DCP is respectively placed in a weighing
In disk, accelerant CZ and altax are placed in a weighing plate, antioxidant 4010NA, anti-aging agent RD, antioxidant A W, anti-aging agent
Totally five kinds of anti-aging agents are placed in a weighing plate for NBC and paraffin, and cold resistant plasticizer DOA is placed in a weighing plate, carries out experiment
Preceding preparation；
S1.3, the raw rubber plasticated is put on two roller open mills, after its packet roller, observes accumulating on two roller of open mill
Glue adjusts roll spacing, dynamic until accumulating rubber-surfaced roll, keeps two roller spacing constant, and after opening mill mixer roller cooling water, sequence is added and fills out
Material, anti-aging agent, cold resistant plasticizer DOA, promotor, sulphur S, vulcanizing agent and activating agent remove mixing after all drugs are added
Roll spacing is transferred to minimum by sizing material, thin to lead to and beat triangle bag, and 4mm, slice finally are transferred in roll spacing；
S2, vulcanization sample preparation；
S2.1, it is kneaded uniform rubber compound, after room temperature stands 8h, then starts curability test, pass through no rotor vulcameter
The curability of NBR rubber compound is measured, 6 grams of sample, curing temperature is 160 DEG C, handles the data of test experiments, obtains rubber compound
Curing curve figure and sulfurizing time T90；
S2.2, vulcanization test is carried out using 25t compression molding instrument, curing temperature is 160 DEG C；
For 2mm standard tensile piece, vulcanization time T90+ 2-3min, sulfurizing mould are 2mm standard module；
For 2mm standard tearing sheet, vulcanization time T90+ 2-3min, sulfurizing mould are 2mm standard module；
For standard compression permanent deformation sample, 2 × T of vulcanization time90+ 2-3min, sulfurizing mould are standard compression post mold；
For Standard erosion strip, vulcanization time is 1.5 × T90+ 2-3min, sulfurizing mould are Standard erosion bar mold；
Then the above compression molding sample starts other performance tests after room temperature stands 16h；
S2.3, obtain performance test passes in above-mentioned steps compression molding sample process data, in this, as according to carry out
The vulcanization of rubber compound obtains corresponding oil resistant sealing joint strip finished product.
7. a kind of preparation process of oil resistant sealing joint strip rubber composite material according to claim 6, it is characterised in that:
It is thin 2 times logical using two roller open mills when raw rubber NBR plasticates in the step S1.1.
8. a kind of preparation process of oil resistant sealing joint strip rubber composite material according to claim 6, it is characterised in that:
In the step S1.3, movement that is thin logical and beating triangle bag is repeated to 6 times.
9. a kind of preparation process of oil resistant sealing joint strip rubber composite material according to claim 6, it is characterised in that:
In the step S1.3, after a kind of drug is added every time, each rubber tapping in left and right three times, after sizing material surface does not have drug, is added
A kind of lower drug.
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| CN111560128A (en) * | 2020-06-19 | 2020-08-21 | 宜兴市新秀橡塑有限公司 | Preparation process of anti-corrosion wear-resistant adhesive tape |
| CN112552563A (en) * | 2020-12-10 | 2021-03-26 | 镇江市四海轴承有限公司 | High-protection, aging-resistant, oil-resistant and antistatic rubber sealing ring and preparation method thereof |
| CN113462046A (en) * | 2021-07-29 | 2021-10-01 | 北京市城南橡塑技术研究所 | NBR-ECTFE-ACS oil-resistant cold-resistant rubber and preparation method thereof |
| CN115698162A (en) * | 2020-05-29 | 2023-02-03 | Nok株式会社 | NBR composition |
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