CN109749315A - A kind of cross-linking radiation fluoro-rubber composite and its preparation method and application - Google Patents
A kind of cross-linking radiation fluoro-rubber composite and its preparation method and application Download PDFInfo
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Abstract
The invention belongs to fluoro-rubber composite technical field, a kind of fluoro-rubber composite and its preparation method and application is disclosed.The fluoro-rubber composite includes fluorubber, sensitizer, filler and processing aid.The present invention utilizes irradiation crosslinking technological, metal oxide needed for Conventional fluoroelastomeric sulfurization technology or metal hydroxides acid absorbent or plumper are removed, the excellent resistant to chemical media of fluorubber finds full expression, bisphenols needed for having also been removed conventional heating sulfuration process in formula or peroxide-based curing dose, formula is more simple, thoroughly solves the problems, such as fluoroelastomer glue stock scorch safety during conventional machining process.
Description
Technical field
The present invention relates to fluoro-rubber composite, in particular to a kind of cross-linking radiation fluoro-rubber composite and preparation method thereof and
Using.
Background technique
It is invented since DuPont's nineteen fifty-sevenSince fluorubber, because it is with oil resistant, high temperature resistant, resistance to molten
A series of excellent performances such as agent, resistance to strong acid, powerful oxidation corrosion resistance agent, fire-retardant, ageing-resistant, fluorubber navigate in defence and military, aviation
It, the sophisticated technologies field such as electronic communication, shipping vehicle, petrochemical industry is applied widely.
With the emergence of new sulfur agent, the sulfurization technology of fluorubber also vulcanizes from the amine of early stage, develops to
Bis-phenol vulcanization, then arrive peroxide cure technology now.The development of sulfurization technology significantly improves fluorubber material each side
The performance in face, bis-phenol vulcanizing system fluorubber substantially increase poor, poor in processability of amine vulcanizing system compression set etc. and lack
Point, peroxide vulcanizing system fluorubber substantially increase the low disadvantage of physical mechanical strength of bis-phenol fluorubber.But it is existing
Sulfurization technology haves the shortcomings that various, such as existing sulfurization technology, determines that formula constituent needs to add from mechanism
Various crosslinking agents and metal oxide or hydroxide are as acid absorbent or plumper, and these metal oxides or hydrogen-oxygen
The addition of compound, so that the excellent resistant to chemical media of fluorubber is had a greatly reduced quality, and if removing influence chemical mediator-resitant property
The ingredients such as acid absorbent, crosslinking agent after, the crosslink density of fluoro-rubber composite finished product will be greatly reduced；In addition, in rubber system
In the sulfidization molding technique of product, a large amount of electricity, thermal energy consumption are needed, and sulfidation generates a large amount of steam and exhaust gas, ring
It is also higher to protect treatment facility input cost, with the development of environmental protection concept, the irradiation crosslinking technological of novel environment friendly is crosslinked to plastics
Modified and vulcanization of rubber crosslinking brings new approaches.Chinese patent application CN201710880118.1 discloses a kind of irradiation friendship
Join fluorubber and preparation method thereof, is based on intermediate molecular weight fluorubber, low molecular weight fluorubber, plumper, release agent, filler
The components such as acid absorbent, crosslinking agent, using high-energy electron accelerator cross-linking radiation, for making wire cable insulating layer and sheath
Layer.Although this patent application uses irradiation crosslinking technological, still without fundamentally solving, " removing, which influences chemically-resistant, is situated between
After the ingredients such as acid absorbent, the crosslinking agent of matter performance, the crosslink density of fluoro-rubber composite finished product be will be greatly reduced " technology ask
Topic.
Originally inventor will cause to reduce the removal of the components such as acid absorbent, the crosslinking agent of chemical mediator-resitant property, want to use
For cross-linking radiation means from basic adjustment formula, the fluoro-rubber composite finished product made both can guarantee the resistant to chemical media of fluorubber
Performance, and can guarantee and still ensure that fluorubber group after removing the ingredients such as acid absorbent, the crosslinking agent for influencing chemical mediator-resitant property
The crosslink density of object finished product is closed, but does not still find a kind of be suitably formulated and tackles the problem at its root with preparation method,
The effort for finding Suitable formulations and preparation method is even once abandoned, then as the progress of test, the pleasantly surprised hair of inventor
It is existing, it can be formulated from basic adjustment using particular kind of fluorubber cooperated-sensitization agent and filler in conjunction with cross-linking radiation means,
The fluoro-rubber composite finished product being prepared is set not only to be able to satisfy high resistance to chemicals dielectric behavior, but also can solve crosslink density can be significantly
The problem of reduction.
Summary of the invention
In view of this, high resistance to chemicals medium cannot be met simultaneously in order to solve fluoro-rubber composite finished product in the prior art
Performance and high crosslink density problem.The present invention provides a kind of cross-linking radiation fluoro-rubber composites.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme:
A kind of cross-linking radiation fluoro-rubber composite, the supplementary material including following parts by weight are prepared:
The fluorubber is one kind of the fluorubber polymer containing active iodine or active bromine in fluorubber molecular chain structure
Or it is several.
Preferably, the fluorubber is vinylidene fluoride (VDF)-hexafluoropropene (HFP)-tetrafluoroethene (TFE)-activity
Iodine or bromine polymer, tetrafluoroethene (TFE)-perfluoro methyl vinyl ether (PMVE)-ethylene (E)-active iodine or bromine polymer, four
Vinyl fluoride (TFE)-propylene (P)-trifluoro propene (TFP)-active iodine or bromine polymer, vinylidene fluoride (VDF)-tetrafluoroethene
(TFE)-perfluoro methyl vinyl ether (PMVE)-active iodine or bromine polymer or vinylidene fluoride (VDF)-hexafluoropropene (HFP)-
Tetrafluoroethene (TFE)-perfluoro methyl vinyl ether (PMVE)-ethylene (E)-active iodine or active bromine polymer are one or more of.
Above-mentioned active iodine or bromine fluorubber polymer may be selected commonly used in the art, wherein the vinylidene fluoride
(VDF)-hexafluoropropene (HFP)-tetrafluoroethene (TFE)-active iodine polymer can be Viton VTR7551 or Viton
B202 or Viton GAL200S or Viton GBL200S or Viton GF200S, Tecnoflon P459 or Dyneon
E-21900 or Dai-EL G902；The tetrafluoroethene (TFE)-perfluoro methyl vinyl ether (PMVE)-ethylene (E)-active iodine
Polymer can be Viton ETP600S；The tetrafluoroethene (TFE)-perfluoro methyl vinyl ether (PMVE)-ethylene (E)-is living
Property bromine polymer can be can be Viton ETP600S；The tetrafluoroethene (TFE)-propylene (P)-trifluoro propene (TFP)-
Active bromine polymer can be Viton TBR605CS；The vinylidene fluoride (VDF)-tetrafluoroethene (TFE)-perfluoro-methyl second
Alkene ether (PMVE)-active iodine polymer can be Viton GLT200S or Viton GBLT200S or Viton
GFLT200S；The vinylidene fluoride (VDF)-hexafluoropropene (HFP)-tetrafluoroethene (TFE)-perfluoro methyl vinyl ether
(PMVE)-ethylene (E)-active iodine polymer is Tecnoflon BR9151.
Certain fluorubber polymer containing active iodine or active bromine, can under the irradiation of high-energy electron accelerator high-energy ray
To generate active crosslinking points and cross-linking reaction occurs, molecule cross-link network structure is formed.In depositing for Polyfunctional monomer sensitizer
Under, this phenomenon is become apparent, and is more conducive to improve the cross-linking radiation extent of reaction, can be obvious from Material Physics mechanical performance
It observes, tensile strength, 100% stretching strength, hardness significantly improve, and elongation at break is greatly reduced, and the crosslinking of finished product is close
Degree is greatly improved.
The present invention utilizes irradiation crosslinking technological, according to the mechanism of fluorubber cross-linking radiation, creatively combines to fluorubber
Composition formula is optimized, and by metal oxide needed for Conventional fluoroelastomeric sulfurization technology or metal hydroxides acid absorbent or removes
Sour agent removal, the excellent resistant to chemical media of fluorubber find full expression, and vulcanizing agent are in addition had also been removed in formula, formula is more
To be simple, and thoroughly solves the problems, such as fluoroelastomer glue stock scorch safety during conventional machining process.
Preferably, the sensitizer is selected from trimethylolpropane trimethacrylate (TMPTA), trimethylolpropane tris first
Base acrylate (TMPTMA), three acrylic isocyanuric acid esters (TAIC), three acrylic cyanurates (TAC), ethoxylation three
Hydroxymethyl-propane triacrylate (EO-TMPTA) or ethylene glycol dimethacrylate (EGDMA) are one or more of.
Filler provided by the invention is selected from carbon black or mineral filler is one or two kinds of；Preferably, the carbon black be selected from N990,
N774, N550 or N330 are one or more of；The mineral filler be selected from calcium silicates, barium sulfate, talcum powder, calcium carbonate, diatomite,
Clay or montmorillonite are one or more of.
Preferably, the processing aid is selected from palm wax, WS280 or HT290 one or more.
In addition, above-mentioned supplementary material is mixed the present invention also provides a kind of preparation method of cross-linking radiation fluoro-rubber composite
Fluoro-rubber composite product is made in rubber compound after refining uniformly, carries out crosslinking irradiation to the fluoro-rubber composite product, obtains
Fluoro-rubber composite finished product.
Preferably, cross-linking radiation fluoro-rubber composite preparation method provided by the invention, specifically includes the following steps:
S1, first by the fluorubber plasticate on the double roll mill uniformly and packet roller, then by the sensitizer, filler,
All auxiliary material premixings of processing aid are uniform and open mill is added, after the completion of all powdery auxiliary materials eat powder, packet roller sizing material or so
It operates on 3-6 times, then beats triangle bag 5-10 times, be kneaded rubber and auxiliary material sufficiently uniformly, then regulating roller is away from slice, thickness control
System obtains cross-linking radiation fluoro-rubber composite rubber compound in 4-6mm；Preferably, the entire mixing process control in the S step
In 10-15min, open mill roller temperature is controlled within 80 DEG C, and after the rubber compound prepared is displayed 16h, then back mixing slice is stand-by；
S2, the rubber compound after slice is processed into required article shape；
S3, using electron accelerator, in air atmosphere and at room temperature, with 1-10Mrad irradiation dose to moulded products into
Row irradiation, is made corresponding fluoro-rubber composite finished product.
It is provided by the invention to be prepared using the cross-linking radiation fluoro-rubber composite of above-mentioned formula or using above-mentioned preparation method
Cross-linking radiation fluoro-rubber composite can prepare electric cable of submersible pump insulating layer and restrictive coating, sealing plate material, seal profile, sealing
The correlation finished product such as item or pointing.
Specific embodiment
The invention discloses a kind of cross-linking radiation fluoro-rubber composite and its preparation method and application, those skilled in the art
Present disclosure can be used for reference, realization of process parameters is suitably modified.In particular, it should be pointed out that all similar substitutions and modifications pair
It is it will be apparent that they are considered as including in the present invention for those skilled in the art.It method of the invention and answers
With being described by preferred embodiment, related personnel can obviously not depart from the content of present invention, in spirit and scope
To method described herein and application is modified or appropriate changes and combinations, carrys out implementation and application the technology of the present invention.
The selection of embodiment 1-2 irradiation dose
By in table 1 embodiment 1 and embodiment 2 be formulated (parts by weight) stock, first by fluorubber VITON VTR9217 or
VITON VTR7551 plasticate on the double roll mill uniformly and packet roller, then by sensitizer TMPTA, carbon black N550, carbon black
All auxiliary material premixings such as N990, processing aid WS280 and Brazil wax Carnauba Wax uniformly, and are slowly added into out
Mill, after the completion of all powdery auxiliary materials eat powder, packet roller sizing material or so is operated on 3 times, is then beaten triangle bag 5 times, make rubber with it is auxiliary
Material is sufficiently kneaded uniformly, and then regulating roller obtains cross-linking radiation fluoro-rubber composite rubber compound in 6mm away from slice, thickness control,
At 10 minutes, open mill roller temperature was controlled within 80 DEG C for entire mixing process control.The rubber compound prepared is displayed 16 hours
Afterwards, then back mixing slice.By ready rubber compound, at 100 DEG C of molding temperature, clamping pressure 10MPa, 5 minutes items of clamp time
Under part, 180 millimeters long × 180 millimeters wide × thick 2 millimeters of the rubber plate of molding preparation.Using electron accelerator, in air atmosphere
It encloses and at room temperature, cross-linking radiation is carried out to fluoro-rubber composite plate obtained with 1,3,5,10Mrad irradiation dose；By plate
Material is by the sample preparation of standard testing batten and tests, the performance test results such as table 1.
Influence of the 1 cross-linking radiation fluoro-rubber composite irradiation dose of table to performance
Data can be seen that under the conditions of identical mixed refining process and irradiation crosslinking processes from table 1, VITON
VTR9217 does not contain active iodine or active bromine as fluorubber raw material in the strand of fluorubber, even if irradiation dose increases
To 10Mrad, the hardness and tensile strength for the finished product being prepared are too low, cannot be used to manufacture the rubber product of high crosslink density；
Under the conditions of 1-10Mrad irradiation dose, 100% to stretch modulus change surely little, it is seen that finished product crosslink density is very low, fails shape
At rubber cross network structure；Therefore, without containing active iodine or active bromine can not fluorubber raw material cannot prepare high crosslink density
Fluorubber finished product.
Irradiation dose is up under 10Mrad, and VITON VTR7551 composition offset plate article section is still fine and close, and pore-free produces
Raw, hardness reaches 70Shore A, and tensile strength reaches 5.83MPa, elongation at break 497%, and 100% stretching strength reaches
3.41Mpa, can satisfy the requirement of the rubber product of high crosslink density, and the irradiation dose of cross-linking radiation provided by the invention is selected as
1-10Mrad。
The selection of embodiment 3-15 fluorubber raw material
It is formulated (parts by weight) stock by the embodiment 3- embodiment 15 in 2 (Continued) of table 2 and table, first by fluorubber VITON
The raw materials such as GAL200S plasticate on the double roll mill uniformly and packet roller, then by sensitizer TMPTA, carbon black SRF774, processing help
All auxiliary material premixings such as agent WS280 and Brazil wax Carnauba Wax uniformly, and are slowly added into open mill, to all
After the completion of powdery auxiliary material eats powder, packet roller sizing material or so is operated on 3 times, is then beaten triangle bag 5 times, is kneaded rubber and auxiliary material sufficiently
Even, then regulating roller obtains cross-linking radiation fluoro-rubber composite rubber compound, entire mixing process in 4mm away from slice, thickness control
At 10 minutes, open mill roller temperature was controlled within 80 DEG C for control.After the rubber compound prepared is displayed 16 hours, then back mixing goes out
Piece.By ready rubber compound, at 100 DEG C of molding temperature, clamping pressure 10MPa, under the conditions of clamp time 5 minutes, molding system
Standby 180 millimeters long × 180 millimeters wide × thick 2 millimeters of rubber plate.Using electron accelerator, in air atmosphere and room temperature
Under, cross-linking radiation is carried out to fluoro-rubber composite plate obtained with 5Mrad irradiation dose.Plate is pressed into standard testing batten system
Sample is simultaneously tested, the performance test results such as table 2 and 2 (Continued) of table.
The selection of 2 fluorubber raw material of table influences end properties
The selection of 2 (Continued) of table, fluorubber raw material influences end properties
Data can be seen that fixed from finished product hardness, tensile strength, elongation at break and 100% from 2 (Continued) of table 2 and table
From the point of view of stretching intensity data, fluorubber material provided by the invention can prepare the rubber product of high crosslink density.
After embodiment 3, embodiment 4, embodiment 6-8 are irradiated crosslinking process, the fluorubber with inactive bromine or active iodine
Polymer phase ratio, crosslinking feature is obvious, and material mechanical performance is obviously improved, but 100% stretches modulus compared with other embodiments surely
It is relatively relatively low, lower hardness, but the crosslink density of the material is not still low, material densification has bubble, and such material is suitble to use
In the rubber product for being prepared with bubble demand, such as fluorubber profile, fluorubber pointing etc..
Embodiment 5, embodiment 9-15 fluorubber have excellent cross-linking radiation characteristic, material is through 5Mrad irradiation dose
Irradiation, for finished product hardness up to 80Shore A or so, tensile strength is up to 8MPa or more, and 100% stretches modulus surely reaches 5MPa or more,
Elongation at break 250% or so, material surface and inside solid and bubble-free, the high crosslink density required suitable for bubble-free
Rubber product, such as fluorubber wire cable insulating layer and restrictive coating, fluorubber plate etc..
The selection of embodiment 16-21 sensitizer parts by weight
Be formulated (parts by weight) stock by the embodiment 16- embodiment 21 in table 3, first by fluorubber VITON VTR7551 or
VITON B202 or fluorubber VITON B202 and B600 mixed polymer plasticate on the double roll mill respectively uniformly and packet roller,
Then by sensitizer TMPTA or TAIC, carbon black SRF774, processing aid WS280 and Brazil wax Carnauba Wax etc.
All auxiliary material premixings uniformly, and are slowly added into open mill, and after the completion of all powdery auxiliary materials eat powder, packet roller sizing material or so is operated on
5 times, then beat triangle bag 8 times, make rubber and auxiliary material is sufficiently kneaded uniformly, then regulating roller is away from slice, thickness control in 5mm,
Cross-linking radiation fluoro-rubber composite rubber compound is obtained, at 12 minutes, open mill roller temperature was controlled at 80 DEG C for entire mixing process control
Within.After the rubber compound prepared is displayed 16 hours, then back mixing slice.By ready rubber compound, in molding temperature 100
DEG C, clamping pressure 10MPa, under the conditions of clamp time 5 minutes, 180 millimeters long × 180 millimeters wide × thick 2 millimeters of molding preparation
Rubber plate.Using electron accelerator, in air atmosphere and at room temperature, with 5Mrad irradiation dose to fluorubber group obtained
It closes object plate and carries out cross-linking radiation.Plate by the sample preparation of standard testing batten and is tested, the performance test results such as table 3.
The influence of 3 sensitizer type of table and parts by weight to end properties
It can be seen from the data in Table 3 that under the conditions of identical mixed refining process and irradiation crosslinking processes, with sensitizer
The increase of TAIC or TMPTA additive amount, fluoro-rubber composite hardness greatly improves, but tensile strength is almost unchanged, and fracture is stretched
Long rate declines to a great extent, and 100% stretching strength greatly improves, it can be seen that crosslink density greatly improves, therefore the additive amount of sensitizer
It is suitble to manufacture the rubber product of high crosslink density for 3-7 parts by weight, but sensitizer additive amount is excessive, will affect the crosslinking of material
Degree, and then influence final products quality, therefore, sensitizer 3-7 parts by weight provided by the invention.
In embodiment 21, VITON B202 simultaneously (is not contained in molecular chain structure and is lived with high Mooney viscosity VITON B600
Property iodine or active bromine), composition rubber compound mooney viscosity is obviously improved, but physical mechanical property does not improve after cross-linking radiation,
It decreases instead, it is seen that the addition of the VITON B600 not containing active iodine or bromine unit dilutes VITON B202 active iodine
Unit concentration, cross-linking radiation characteristic decrease.
Influence of the embodiment 22-26 filler to end properties
It is formulated (parts by weight) stock by the embodiment 22- embodiment 26 in table 4, first by fluorubber VITON B202 in double roller
Plasticate on open mill uniformly and packet roller, then by sensitizer TMPTA, mineral filler barium sulfate or calcium carbonate or calcium silicates or silicon
All auxiliary material premixings such as soil, processing aid WS280 and Brazil wax Carnauba Wax uniformly, and are slowly added into mill
Machine, after the completion of all powdery auxiliary materials eat powder, packet roller sizing material or so is operated on 6 times, is then beaten triangle bag 10 times, is made rubber and auxiliary material
It is sufficiently kneaded uniformly, then regulating roller obtains cross-linking radiation fluoro-rubber composite rubber compound, entirely away from slice, thickness control 5mm
At 10 minutes, open mill roller temperature was controlled within 80 DEG C for mixing process control.After the rubber compound prepared is displayed 16 hours, then
Back mixing slice.By ready rubber compound, at 100 DEG C of molding temperature, clamping pressure 10MPa, under the conditions of clamp time 5 minutes,
180 millimeters long × 180 millimeters wide × thick 2 millimeters of the rubber plate of molding preparation.Using electron accelerator, in air atmosphere and
At room temperature, cross-linking radiation is carried out to fluoro-rubber composite plate obtained with 5Mrad irradiation dose.Plate is pressed into standard testing sample
Sample preparation is simultaneously tested, the performance test results such as table 4.
Influence of 4 filler of table to end properties
It can be seen that for fluorubber VITON B202 from the data in table 4, add the implementation of different minerals filler
Example 22- embodiment 26, cross-linking radiation excellent is close with the addition embodiment of carbon black, and fluoro-rubber composite material section causes
Close bubble-free, the indexs such as hardness, tensile strength, fracture productivity, 100% stretching strength are suitble to manufacture the rubber of high crosslink density
Glue finished product.Further go deep into comparative analysis, granularity is thinner and 283 600EST of calcium silicates Tremin of surface alkylene oxide processing
26 mechanical property of embodiment is higher better than 400 embodiment 24 of calcium silicates Nyad, especially 100% stretching strength index.
It is formulated (parts by weight) stock by the embodiment 27- embodiment 31 in table 5, first by fluorubber VITON GF200S double
Plasticate on roller open mill uniformly and packet roller, then by sensitizer TMPTA, carbon black SRF774 or mineral filler barium sulfate or calcium carbonate
Or all auxiliary material premixings such as calcium silicates or tripoli, processing aid WS280 and Brazil wax Carnauba Wax are uniformly, and
It is slowly added into open mill, after the completion of all powdery auxiliary materials eat powder, packet roller sizing material or so is operated on 3 times, it then beats triangle bag 5 times,
It is kneaded rubber and auxiliary material sufficiently uniformly, then regulating roller obtains the combination of cross-linking radiation fluorubber away from slice, thickness control 4mm
Object rubber compound, at 10 minutes, open mill roller temperature was controlled within 80 DEG C for entire mixing process control.The rubber compound prepared is old
After putting 16 hours, then back mixing slice.By ready rubber compound, at 100 DEG C of molding temperature, clamping pressure 10MPa, clamp time
Under the conditions of 5 minutes, 180 millimeters long × 180 millimeters wide × thick 2 millimeters of the rubber plate of molding preparation.Using electron accelerator,
Air atmosphere and at room temperature, carries out cross-linking radiation to fluoro-rubber composite plate obtained with 5Mrad irradiation dose.By plate
It by the sample preparation of standard testing batten and tests, the performance test results such as table 5.
Influence of 5 filler of table to end properties
It can be seen that for fluorubber VITON GF200S from the data in table 5, add carbon black and different minerals are filled out
Material, cross-linking radiation excellent are suitble to the rubber product of manufacture high crosslink density；The reality of carbon black is added in further comparative analysis
It applies the hardness of example 27, tensile strength and 100% to stretch modulus surely the most excellent；Add the reality of mineral filler tripoli Sillitin N85
It is more more excellent than the hardness of other mineral fillers, tensile strength, 100% stretching strength to apply example 30.
The preparation of 32 cross-linking radiation fluoro-rubber composite of embodiment
S1, first fluorubber Viton VTR7551 and the Viton B202 of 100 parts by weight plasticated on the double roll mill
Even and packet roller, then by 3 parts by weight sensitizer trimethylolpropane trimethacrylates (TMPTA), 5 parts of filler material by weight talcum powder, 1
All auxiliary material premixings of parts by weight processing aid Brazil wax are uniform and open mill is added, and eat powder to all powdery auxiliary materials and complete
Afterwards, packet roller sizing material or so is operated on 3 times, is then beaten triangle bag 5 times, makes rubber and auxiliary material is sufficiently kneaded uniformly, then regulating roller away from
Slice, thickness control obtain cross-linking radiation fluoro-rubber composite rubber compound in 4mm, and entire mixing process control is opened in 10min
Mill roller temperature controls within 80 DEG C, and after the rubber compound prepared is displayed 16h, then back mixing slice is stand-by；
S2, the rubber compound after slice is processed into electric cable of submersible pump insulating layer shape；
S3, using electron accelerator, in air atmosphere and at room temperature, with 1Mrad irradiation dose to molding oil-immersed pump
Cable insulation is irradiated, and electric cable of submersible pump insulating layer finished product is made.
The preparation of 33 cross-linking radiation fluoro-rubber composite of embodiment
S1, first by the fluorubber Viton GAL200S of 100 parts by weight plasticate on the double roll mill uniformly and packet roller, connect
By 6 parts by weight sensitizers, three acrylic isocyanuric acid esters (TAIC), 50 parts of filler material by weight diatomite, 3 parts by weight processing aids
All auxiliary material premixings of WS280 and HT290 are uniform and open mill is added, after the completion of all powdery auxiliary materials eat powder, packet roller sizing material
Left and right is operated on 6 times, is then beaten triangle bag 10 times, is kneaded rubber and auxiliary material sufficiently uniformly, then regulating roller is away from slice, thickness control
System obtains cross-linking radiation fluoro-rubber composite rubber compound, entire mixing process control is in 15min, the control of open mill roller temperature in 6mm
Within 80 DEG C, after the rubber compound prepared is displayed 16h, then back mixing slice is stand-by；
S2, the rubber compound after slice is processed into electric cable of submersible pump insulating jacket layer shape；
S3, using electron accelerator, in air atmosphere and at room temperature, with 10Mrad irradiation dose to molding oil-immersed pump
Cable insulation jacket layer is irradiated, and electric cable of submersible pump insulating jacket layer finished product is made.
The preparation of 34 cross-linking radiation fluoro-rubber composite of embodiment
S1, first fluorubber Dyneon E-21900 and the Dai-EL G902 of 100 parts by weight plasticated on the double roll mill
Uniform and packet roller, then by 5 parts by weight sensitizer, three acrylic cyanurate (TAC), 26 parts of filler material by weight montmorillonites, 2 weight
All auxiliary materials premixings of part processing aid WS280 are uniform and open mill is added, after the completion of all powdery auxiliary materials eat powder, packet roller glue
Material left and right is operated on 5 times, is then beaten triangle bag 8 times, is kneaded rubber and auxiliary material sufficiently uniformly, then regulating roller is away from slice, thickness
Control obtains cross-linking radiation fluoro-rubber composite rubber compound, entire mixing process control is in 12min, open mill roller temperature control in 5mm
System is within 80 DEG C, and after the rubber compound prepared is displayed 16h, then back mixing slice is stand-by；
S2, the rubber compound after slice is processed into sealing plate material shape；
S3, using electron accelerator, in air atmosphere and at room temperature, with 5Mrad irradiation dose to molding sealing plate
Material is irradiated, and sealing plate material finished product is made.
The preparation of 35 cross-linking radiation fluoro-rubber composite of embodiment
S1, first fluorubber Tecnoflon P459 and the Viton ETP600S of 100 parts by weight moulded on the double roll mill
Uniform and packet roller is refined, then by 7 parts by weight sensitizer ethoxylated trimethylolpropane triacrylates (EO-TMPTA) and three
All auxiliary material premixs of acrylic isocyanuric acid ester (TAIC), 12 parts of filler material by weight carbon black N990,2 parts by weight processing aid HT290
It closes uniformly and open mill is added, after the completion of all powdery auxiliary materials eat powder, packet roller sizing material or so is operated on 4 times, then beats triangle bag 8
It is secondary, it is kneaded rubber and auxiliary material sufficiently uniformly, then regulating roller obtains cross-linking radiation fluorubber in 6mm away from slice, thickness control
Composition rubber compound, entire mixing process control is in 12min, and open mill roller temperature controls within 80 DEG C, the mixing that will be prepared
After glue displays 16h, then back mixing slice is stand-by；
S2, the rubber compound after slice is processed into sealing strip；
S3, using electron accelerator, in air atmosphere and at room temperature, with 5Mrad irradiation dose to molding sealing strip
It is irradiated, sealing strip finished product is made.
The preparation of 36 cross-linking radiation fluoro-rubber composite of embodiment
S1, first by the fluorubber Viton ETP600S of 100 parts by weight plasticate on the double roll mill uniformly and packet roller, connect
By 5 parts by weight sensitizer ethylene glycol dimethacrylate (EGDMA) trimethylolpropane trimethacrylates (TMPTA), 38
All auxiliary material premixings of parts of filler material by weight carbon black N990,3 parts by weight processing aid Brazil waxs are uniform and open mill is added, to
After the completion of all powdery auxiliary materials eat powder, packet roller sizing material or so is operated on 3 times, is then beaten triangle bag 5 times, keeps rubber and auxiliary material sufficiently mixed
Uniformly, then regulating roller obtains cross-linking radiation fluoro-rubber composite rubber compound in 4mm away from slice, thickness control for refining, entire to be kneaded
In 10min, open mill roller temperature is controlled within 80 DEG C for process control, after the rubber compound prepared is displayed 16h, then back mixing slice
For use；
S2, the rubber compound after slice is processed into seal profile shape；
S3, using electron accelerator, in air atmosphere and at room temperature, with 5Mrad irradiation dose to molding sealing strip
It is irradiated, seal profile finished product is made.
The preparation of 37 cross-linking radiation fluoro-rubber composite of embodiment
S1, first by fluorubber Viton GFLT200S and the Tecnoflon BR9151 of 100 parts by weight in two-roll mill
On plasticate uniformly and packet roller, then by 3 parts by weight sensitizer trimethylolpropane trimethacrylates (TMPTA) and three acrylic cyanogen
Urea acid esters (TAC), 5 parts of filler material by weight talcum powder and calcium carbonate, all auxiliary material premixings of 1 parts by weight processing aid Brazil wax
Uniformly and open mill is added, after the completion of all powdery auxiliary materials eat powder, packet roller sizing material or so is operated on 3 times, then beats triangle bag 5
It is secondary, it is kneaded rubber and auxiliary material sufficiently uniformly, then regulating roller obtains cross-linking radiation fluorubber in 4mm away from slice, thickness control
Composition rubber compound, entire mixing process control is in 10min, and open mill roller temperature controls within 80 DEG C, the mixing that will be prepared
After glue displays 16h, then back mixing slice is stand-by；
S2, the rubber compound after slice is processed into electric cable of submersible pump insulating layer shape；
S3, using electron accelerator, in air atmosphere and at room temperature, with 5Mrad irradiation dose to molding oil-immersed pump
Cable insulation is irradiated, and electric cable of submersible pump insulating layer finished product is made.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of cross-linking radiation fluoro-rubber composite, which is characterized in that the supplementary material including following parts by weight is prepared:
The fluorubber is one kind or several of the fluorubber polymer containing active iodine or active bromine in fluorubber molecular chain structure
Kind.
2. cross-linking radiation fluoro-rubber composite as described in claim 1, which is characterized in that the fluorubber is vinylidene fluoride
(VDF)-hexafluoropropene (HFP)-tetrafluoroethene (TFE)-active iodine or active bromine polymer, tetrafluoroethene (TFE)-perfluoro-methyl
Vinyl ethers (PMVE)-ethylene (E)-active iodine or active bromine polymer, tetrafluoroethene (TFE)-propylene (P)-trifluoro propene
(TFP)-active iodine or active bromine polymer, vinylidene fluoride (VDF)-tetrafluoroethene (TFE)-perfluoro methyl vinyl ether
(PMVE)-active iodine or active bromine polymer or vinylidene fluoride (VDF)-hexafluoropropene (HFP)-tetrafluoroethene (TFE)-perfluor
Methyl vinyl ether (PMVE)-ethylene (E)-active iodine or active bromine polymer are one or more of.
3. cross-linking radiation fluoro-rubber composite as described in claim 1, which is characterized in that the sensitizer is selected from trihydroxy methyl
Propane triacrylate (TMPTA), trimethylol-propane trimethacrylate (TMPTMA), three acrylic isocyanuric acid esters
(TAIC), three acrylic cyanurates (TAC), ethoxylated trimethylolpropane triacrylate (EO-TMPTA) or dimethyl
Acrylic acid glycol ester (EGDMA) is one or more of.
4. cross-linking radiation fluoro-rubber composite as described in claim 1, which is characterized in that the filler is selected from carbon black or mineral
Filler is one or two kinds of.
5. cross-linking radiation fluoro-rubber composite as claimed in claim 4, which is characterized in that the carbon black be selected from N990, N774,
N550 or N330 is one or more of；The mineral filler is selected from calcium silicates, barium sulfate, talcum powder, calcium carbonate, diatomite, clay
Or montmorillonite is one or more of.
6. cross-linking radiation fluoro-rubber composite as described in claim 1, which is characterized in that the processing aid is selected from palm
Wax, WS280 or HT290 are one or more of.
7. the preparation method of the cross-linking radiation fluoro-rubber composite as described in claim 1-6 is any, which is characterized in that will be described
Fluoro-rubber composite product is made in rubber compound after supplementary material is kneaded uniformly, carries out crosslinking spoke to the fluoro-rubber composite product
According to obtaining fluoro-rubber composite finished product.
8. the preparation method of cross-linking radiation fluoro-rubber composite as claimed in claim 7, which is characterized in that specifically include following
Step:
S1, first by the fluorubber plasticate on the double roll mill uniformly and packet roller, then the sensitizer, filler, processing are helped
All auxiliary material premixings of agent are uniform and open mill is added, and after the completion of all powdery auxiliary materials eat powder, packet roller sizing material or so operates on 3-6
It is secondary, it then beats triangle bag 5-10 times, is kneaded rubber and auxiliary material sufficiently uniformly, then regulating roller is away from slice, and thickness control is in 4-
6mm obtains cross-linking radiation fluoro-rubber composite rubber compound；
S2, the rubber compound after slice is processed into required article shape；
S3, using electron accelerator, in air atmosphere and at room temperature, spoke is carried out to moulded products with 1-10Mrad irradiation dose
According to corresponding fluoro-rubber composite finished product is made.
9. cross-linking radiation fluoro-rubber composite preparation method as claimed in claim 8, which is characterized in that the S1In step
In 10-15min, open mill roller temperature is controlled within 80 DEG C for entire mixing process control, and the rubber compound prepared is displayed 16h
Afterwards, then back mixing slice is stand-by.
10. the preparation of preparation method described in cross-linking radiation fluoro-rubber composite as described in claim 1 or claim 7,8
Cross-linking radiation fluoro-rubber composite prepare electric cable of submersible pump insulating layer and restrictive coating, sealing plate material, seal profile, sealing strip or
The application of pointing.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114085480A (en) * | 2021-11-23 | 2022-02-25 | 深圳市帝源新材料科技股份有限公司 | Crosslinked rubber material, crosslinked fluororubber, cable, preparation method and application |
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| CN107722514A (en) * | 2017-09-25 | 2018-02-23 | 广州丰泰美华电缆有限公司 | A kind of cross-linking radiation fluorubber and preparation method thereof |
| CN108431125A (en) * | 2015-12-21 | 2018-08-21 | Nok株式会社 | Fluoro-rubber composite |
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| WO2007050247A2 (en) * | 2005-10-27 | 2007-05-03 | Agc Chemicals Americas, Inc. | Polytetrafluoroethylene micropowder compositions |
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| CN114085480A (en) * | 2021-11-23 | 2022-02-25 | 深圳市帝源新材料科技股份有限公司 | Crosslinked rubber material, crosslinked fluororubber, cable, preparation method and application |
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Application publication date: 20190514 |