CN109777125A - A kind of water-swellable chlorosulfonated polyethylene rubber composition and preparation method thereof - Google Patents
A kind of water-swellable chlorosulfonated polyethylene rubber composition and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of water-swellable chlorosulfonated polyethylene rubber compositions and preparation method thereof, belong to chemical technology field, composition material is calculated as according to mass fraction: 100 parts of haloflex, 6-12 parts of polyethylene glycol, 0.27-0.60 parts of azodiisobutyronitrile, 0.12-0.30 parts of azobisisoheptonitrile, 1-5 parts of interleaving agent, 10 parts of extra light calcined magnesia, 2-10 parts of heat stabilizer, 0.5-2.0 parts of anti-aging agent, 30-70 parts of water-absorbing resin, 15-30 parts of white carbon black, modification is sodium bentonite 5-15 parts high, 1.5-5.0 parts of polyethylene glycol, TOTM5-10 parts of plasticizer, 25-100 parts of carbon black, 1.5-5 parts of vulcanization accelerator, 1.5-3.0 parts of vulcanizing agent.The present invention is using chlorosulfonated polyethylene as raw material, chemical graft is carried out with polyethylene glycol, production process does not use organic solvent, a kind of hydro-expansive rubber is developed by raw material of chlorosulfonated polyethylene chemical graft object simultaneously, performance complies with standard hydro-expansive rubber requirement in GB/T 18173.3, it not will cause environment and human body harm, be a kind of environment amenable production technology.
Description
Technical field
The invention belongs to chemical technology field, it is related to a kind of water-swellable chlorosulfonated polyethylene rubber composition and its preparation
Method.
Background technique
Hydro-expansive rubber is to pass through a kind of functional high-polymer material made of blending or grafting rubber water absorbent resin
Material, energy water swelling when it meets water, and keep the distinctive elasticity of rubber and intensity.In recent years, with the development of new and high technology with
And science and technology is known as the chance water of " demonic waterproof material ", " super seal material " in the development and application of every field
Expanded rubber causes the common concern of people.Hydro-expansive rubber can suitable structures deformation, play elastic packing sealing work
With, and have water-swellable with the characteristic of water sealing.Chlorosulfonated polyethylene CSM is a kind of with excellent elastic, excellent resistance to
The rubber of the performances such as ozone, resistance to weathering, resistant to chemical etching, low temperature resistant, oil resistant, resistance to combustion, wear-resisting, can be total by physics
Mixed or chemical graft method, the products such as production water-swellable waterproof roll, waterstop or item, sealing ring, be widely used in storage cistern,
The various underground structrue engineerings such as sedimentation basin, underground garage, basement, subway, dam, tunnel, culvert, flood control dam and water conservancy work
The fields such as journey.
It is prepared currently, chlorosulfonated polyethylene hydro-expansive rubber mainly passes through physical blending method, also there is document report chlorine
The method that sulfonated polyethylene chemical graft method prepares hydro-expansive rubber, chemical graft method are the chlorine sulphur produced with solvent method
The chlorosulfonated polyethylene of material based on change polyethylene, solvent method production is sheet, and four chlorinations must be used in chemical graft
Then carbon or aromatic hydrocarbon solvent dissolution carry out chemical graft, and the solvent that chlorosulfonation production uses can be accelerated for carbon tetrachloride
The decomposition of ozone layer does not meet the regulation of " Montreal ozone-layer depleting substance control protocol ", should reinforce to carbon tetrachloride
Use control, aromatic hydrocarbon solvent can endanger atmosphere and human body.
Summary of the invention
The present invention provides a kind of water-swellable chlorosulfonated polyethylene rubber compositions and preparation method thereof, poly- with chlorosulfonation
Ethylene is raw material, carries out chemical graft with polyethylene glycol, production process does not use organic solvent, while with chlorosulfonated polyethylene
Learning graft is that raw material develops a kind of hydro-expansive rubber, and performance complies with standard hydro-expansive rubber in GB/T 18173.3 and wants
It asks, not will cause environment and human body harm, be a kind of environment amenable production technology.
What the present invention was realized using following technical scheme:
On the one hand the present invention provides a kind of water-swellable chlorosulfonated polyethylene rubber composition, raw material is according to mass fraction meter
Are as follows:
100 parts of haloflex
6-12 parts of polyethylene glycol
0.15-0.30 parts of azodiisobutyronitrile
0.12-0.30 parts of azobisisoheptonitrile
1-5 parts of interleaving agent
10 parts of extra light calcined magnesia
2-10 parts of heat stabilizer
0.5-2.0 parts of anti-aging agent
30-70 parts of water-absorbing resin
15-30 parts of white carbon black
Modification is sodium bentonite 5-15 parts high
1.5-5.0 parts of polyethylene glycol
5-10 parts of plasticizer TOTM
25-100 parts of carbon black
1.5-5 parts of vulcanization accelerator
1.5-3.0 parts of vulcanizing agent
It is further preferred that polyethylene glycol graft weight percentage composition in the chlorosulfonated polyethylene-polyethylene glycol graft rubber
For 6%-12%, preferably 8%-10%.
It is further preferred that the molecular weight of the polyethylene glycol is 6000-8000.
It is further preferred that the interleaving agent is hydrophobic silica.
It is further preferred that the heat stabilizer is the combination of one or both of calcium stearate, hydrotalcite.
It is further preferred that the anti-aging agent is the combination of one or both of antioxidant NBC, anti-aging agent ODA.
It is further preferred that the water-absorbing resin is saponified, the hydroxylmethyl cellulose of starch-acrylonitrile graft polymer
Element cross-linking products, methyl methacrylate-vinyl acetate copolymer, isobutyiene-maieic anhydride alternate copolymer in
One or more of combinations.
It is further preferred that the carbon black is at least one of N330, N550 or N774.
It is further preferred that vulcanization accelerator penylene span between tetra-sulfurized pair pentamethylene thiuram (DPTT), N.N'-
Come one of acid imide (HVA-2), triallylcyanurate (TAC).
It is further preferred that the vulcanizing agent is pentaerythrite, epoxy resin, 2,5- dimethyl -2,5- di-t-butyl mistake
Aoxidize one of hexane (BPDH).
On the other hand, the present invention also provides a kind of preparation method of water-swellable chlorosulfonated polyethylene rubber composition,
Specific step is as follows
(1) haloflex, initiator and interleaving agent are added in reactor；It is passed through nitrogen to reactor, in reactor
Air carries out nitrogen displacement, starts reactor after being replaced, makes Flow of Goods and Materials；The sulphonyl chlorine of vaporization is passed through in reactor
Exhaust gas hydrogen chloride gas is discharged in reaction process for body, so that being reduced to normal temperature and pressure in reactor, then is passed through the progress of sulphonyl chlorine body
Reaction, is then exhausted from exhaust gas hydrogen chloride gas, is passed through sulphonyl chlorine body-discharge exhaust gas hydrogen chloride gas circulate operation and repeats 4-6
After secondary, the gas being passed through in nitrogen purification reactor, the sulphur weight percentage for obtaining gas solid method production is 1.0%-1.5%'s
Chlorosulfonated polyethylene.
(2) continue that polyethylene glycol is added into reactor, while initiator azodiisobutyronitrile is added；It is passed through to reactor
Nitrogen carries out nitrogen displacement to the air in reactor, starts reactor after being replaced, make Flow of Goods and Materials；It is warming up to 80-90
DEG C, 2 hours are reacted to get chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer is arrived.
(3) chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer, heat stabilizer, anti-aging agent, water-absorbing resin are added
Pressure is kneaded, and is then kneaded white carbon black, modified high sodium bentonite carbon black, plasticizer TOTM, carbon black addition, is eventually adding
Vulcanization accelerator, vulcanizing agent are kneaded, and when temperature reaches 110 DEG C~125 DEG C, the sizing material mixed is discharged on open mill
It returns glue to be kneaded 2~5 minutes, the adhesive tape for being suitble to processing is then pressed on tablet press machine, park stand-by；
(4) film that will be kneaded uses temperature to be crosslinked to obtain water-swellable chlorine sulphur for 155-165 DEG C of vulcanizing press
Change polyethylene rubber composition.
Compared with prior art, the present invention at least has the advantages that
(1) a kind of water-swellable chlorosulfonated polyethylene rubber composition provided by the invention, the chlorine sulphur produced using gas solid method
Change polyethylene is raw material, carries out chemical graft with polyethylene glycol, production process does not use organic solvent, while with the poly- second of chlorosulfonation
Alkylene graft is that raw material develops a kind of hydro-expansive rubber, without using carbon tetrachloride or aromatic hydrocarbon solvent, Bu Huizao
It is endangered at environment and human body, is a kind of environment amenable production technology.
(2) a kind of water-swellable chlorosulfonated polyethylene rubber composition provided by the invention, has selected special water suction tree
Rouge, the intensity after not only absorbing water is very high, and can also improve the rigidity of material after water suction；In order to overcome water-absorbent material resin and rubber
The phenomenon that gum base materials are detached from, having selected partial size is 100 μm of water-absorbing resins below, and preferably 50 μm below, the small fine powder of partial size
The elasticity of the macromolecule resin of shape, elasticity and rubber mass after water suction can reach in a basic balance, to make the two that can coexist in
In same system, without separating and falling off.Water-swellable chlorosulfonated polyethylene rubber composition properties, comply with standard GB/T
Hydro-expansive rubber requirement, hardness 32-52, tensile strength >=3.5MPa, elongation rate of tensile failure >=450% in 18173.3；Volume is swollen
Swollen multiplying power >=150%；Repeatedly after submerging test, tensile strength >=3.0MPa, elongation rate of tensile failure >=350%；Volume expansion ratio >=
150%；Low-temperature bending (- 20 DEG C × 2h) flawless.
(3) water-swellable chlorosulfonated polyethylene rubber composition of the present invention, can be widely used for various tunnels, push pipe, people's air defense
Etc. the industrial equipments such as underground engineerings, the seam of foundation engineering, waterproof sealing and ship, locomotive waterproof sealing.
(4) a kind of water-swellable chlorosulfonated polyethylene rubber composition of the present invention provided by the invention, using gas solid method
The chlorosulfonated polyethylene of production be raw material carry out chemical graft, no matter raw material chlorosulfonated polyethylene production or chemical graft
Chlorosulfonated polyethylene hydro-expansive rubber is prepared, without using carbon tetrachloride or aromatic hydrocarbon solvent, not will cause environment and human body
Harm, is a kind of environment amenable production technology, while developing hydro-expansive rubber composition and its system using it as raw material
Preparation Method.
Specific embodiment
Of the invention for ease of understanding, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is only to aid in the understanding present invention, should not be regarded as a specific limitation of the invention.
Embodiment one:
The present embodiment provides a kind of water-swellable chlorosulfonated polyethylene rubber composition, raw material is calculated as according to mass fraction:
100 parts of haloflex
6 parts of polyethylene glycol
0.15 part of azodiisobutyronitrile
0.12 part of azobisisoheptonitrile
1 part of interleaving agent
10 parts of extra light calcined magnesia
5 parts of hydrotalcite
1.5 parts of antioxidant NBC
30 parts of methyl methacrylate-vinyl acetate copolymer
Saponified 30 parts of starch-acrylonitrile graft polymer
15 parts of white carbon black
Modification is 10 parts of sodium bentonite high
2.0 parts of polyethylene glycol
7 parts of plasticizer TOTM
30 parts of carbon black N550
2.0 parts of tetra-sulfurized pair pentamethylene thiuram (DPTT)
3.0 parts of pentaerythrite
The preparation method comprises the following steps:
(1) it by haloflex, initiator azobisisoheptonitrile and interleaving agent hydrophobic silica, is added in reactor；To anti-
It answers device to be passed through nitrogen, nitrogen displacement is carried out to the air in reactor, reactor is started after being replaced, makes Flow of Goods and Materials；Instead
The sulphonyl chlorine body that vaporization is passed through in device is answered, reaction temperature is 50 DEG C, and control reaction pressure is -0.1 to 0.1MPa, the reaction time
For 20min, exhaust gas hydrogen chloride gas is discharged in reaction process, so that being reduced to normal temperature and pressure in reactor, then is passed through sulphonyl chlorine
Body is reacted, and exhaust gas hydrogen chloride gas is then exhausted from, and is passed through sulphonyl chlorine body-discharge exhaust gas hydrogen chloride gas circulate operation
After being repeated 5 times, the gas being passed through in nitrogen purification reactor, the sulphur weight percentage for obtaining gas solid method production is 1.0%
Chlorosulfonated polyethylene.
(2) continue to be added molecular weight into reactor as 6000 polyethylene glycol, while two isobutyl of initiator azo is added
Nitrile 0.08kg；It is passed through nitrogen to reactor, nitrogen displacement is carried out to the air in reactor, starts reactor after being replaced,
Make Flow of Goods and Materials；80 DEG C are warming up to, reacts 2 hours to get chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer is arrived.
(3) chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer, heat stabilizer, anti-aging agent, water-absorbing resin are added
Pressure is kneaded, and is then kneaded white carbon black, modified high sodium bentonite carbon black, plasticizer TOTM, carbon black addition, is eventually adding
Vulcanization accelerator, vulcanizing agent are kneaded, and when temperature reaches 115 DEG C, the sizing material mixed are discharged on open mill and returns glue and mixes
Then refining 3 minutes is pressed into the adhesive tape for being suitble to processing on tablet press machine, park stand-by；
(4) film that will be kneaded uses temperature to carry out crosslinking for 155 DEG C of vulcanizing press and obtains water-swellable in 20 minutes
Chlorosulfonated polyethylene rubber composition.
Embodiment two:
The present embodiment provides a kind of water-swellable chlorosulfonated polyethylene rubber composition, raw material is calculated as according to mass fraction:
100 parts of haloflex
12 parts of polyethylene glycol
0.30 part of azodiisobutyronitrile
0.30 part of azobisisoheptonitrile
5 parts of interleaving agent
10 parts of extra light calcined magnesia
5 parts of calcium stearate
1.0 parts of antioxidant NBC
1.0 parts of anti-aging agent ODA
30 parts of the cross-linking products of hydroxymethyl cellulose
30 parts of the alternate copolymer of isobutyiene-maieic anhydride
20 parts of white carbon black
Modification is 15 parts of sodium bentonite high
4.0 parts of polyethylene glycol
10 parts of plasticizer TOTM
35 parts of carbon black N330
3.0 parts of tetra-sulfurized pair pentamethylene thiuram (DPTT)
3.0 parts of epoxy resin
(1) it by haloflex, initiator azobisisoheptonitrile and interleaving agent hydrophobic silica, is added in reactor；To anti-
It answers device to be passed through nitrogen, nitrogen displacement is carried out to the air in reactor, reactor is started after being replaced, makes Flow of Goods and Materials；Instead
The sulphonyl chlorine body that vaporization is passed through in device is answered, reaction temperature is 50 DEG C, and control reaction pressure is -0.1 to 0.1MPa, the reaction time
For 30min, exhaust gas hydrogen chloride gas is discharged in reaction process, so that being reduced to normal temperature and pressure in reactor, then is passed through sulphonyl chlorine
Body is reacted, and exhaust gas hydrogen chloride gas is then exhausted from, and is passed through sulphonyl chlorine body-discharge exhaust gas hydrogen chloride gas circulate operation
After being repeated 6 times, the gas being passed through in nitrogen purification reactor, the sulphur weight percentage for obtaining gas solid method production is 1.2%
Chlorosulfonated polyethylene.
(2) continue to be added molecular weight into reactor as 8000 polyethylene glycol, while two isobutyl of initiator azo is added
Nitrile 0.08kg；It is passed through nitrogen to reactor, nitrogen displacement is carried out to the air in reactor, starts reactor after being replaced,
Make Flow of Goods and Materials；85 DEG C are warming up to, reacts 2 hours to get chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer is arrived.
(3) chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer, heat stabilizer, anti-aging agent, water-absorbing resin are added
Pressure is kneaded, and is then kneaded white carbon black, modified high sodium bentonite carbon black, plasticizer TOTM, carbon black addition, is eventually adding
Vulcanization accelerator, vulcanizing agent are kneaded, and when temperature reaches 120 DEG C, the sizing material mixed are discharged on open mill and returns glue and mixes
Then refining 3 minutes is pressed into the adhesive tape for being suitble to processing on tablet press machine, park stand-by；
(4) film that will be kneaded uses temperature to carry out crosslinking 15 minutes for 160 DEG C of vulcanizing press, obtains water-swellable
Chlorosulfonated polyethylene rubber composition.
Embodiment three:
The present embodiment provides a kind of water-swellable chlorosulfonated polyethylene rubber composition, raw material is calculated as according to mass fraction:
100 parts of haloflex
10 parts of polyethylene glycol
0.20 part of azodiisobutyronitrile
0.20 part of azobisisoheptonitrile
1-5 parts of interleaving agent
10 parts of extra light calcined magnesia
5 parts of hydrotalcite
1.0 parts of anti-NBC
1.0 parts of anti-ODA
35 parts of methyl methacrylate-vinyl acetate copolymer
30 parts of the alternate copolymer of isobutyiene-maieic anhydride
20 parts of white carbon black
Modification is 15 parts of sodium bentonite high
4.0 parts of polyethylene glycol
10 parts of plasticizer TOTM
40 parts of carbon black N774
2.0 parts of penylene bismaleimide between N.N'-
2,5- 3.0 parts of dimethyl -2,5- di-t-butyl hexane peroxides
The preparation method comprises the following steps:
(1) it by haloflex, initiator azobisisoheptonitrile and interleaving agent hydrophobic silica, is added in reactor；To anti-
It answers device to be passed through nitrogen, nitrogen displacement is carried out to the air in reactor, reactor is started after being replaced, makes Flow of Goods and Materials；Instead
The sulphonyl chlorine body that vaporization is passed through in device is answered, reaction temperature is 60 DEG C, and control reaction pressure is -0.1 to 0.1MPa, the reaction time
For 40min, exhaust gas hydrogen chloride gas is discharged in reaction process, so that being reduced to normal temperature and pressure in reactor, then is passed through sulphonyl chlorine
Body is reacted, and exhaust gas hydrogen chloride gas is then exhausted from, and is passed through sulphonyl chlorine body-discharge exhaust gas hydrogen chloride gas circulate operation
After being repeated 6 times, the gas being passed through in nitrogen purification reactor, the sulphur weight percentage for obtaining gas solid method production is 1.5%
Chlorosulfonated polyethylene.
(2) continue to be added molecular weight into reactor as 8000 polyethylene glycol, while two isobutyl of initiator azo is added
Nitrile；It is passed through nitrogen to reactor, nitrogen displacement is carried out to the air in reactor, reactor is started after being replaced, makes material
Flowing；90 DEG C are warming up to, reacts 2 hours to get chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer is arrived.
(3) chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer, heat stabilizer, anti-aging agent, water-absorbing resin are added
Pressure is kneaded, and is then kneaded white carbon black, modified high sodium bentonite carbon black, plasticizer TOTM, carbon black addition, is eventually adding
Vulcanization accelerator, vulcanizing agent are kneaded, and when temperature reaches 120 DEG C, the sizing material mixed are discharged on open mill and returns glue and mixes
Then refining 5 minutes is pressed into the adhesive tape for being suitble to processing on tablet press machine, park stand-by.
(4) film that will be kneaded uses temperature to carry out crosslinking 10 minutes obtaining water-swellable for 165 DEG C of vulcanizing press
Chlorosulfonated polyethylene rubber composition.
Comparative example:
Conventional chlorosulfonated polyethylene rubber composition, raw material are calculated as according to mass fraction in the prior art:
100 parts of chlorosulfonated polyethylene (sulfur content 1.2%)
10 parts of extra light calcined magnesia
5 parts of hydrotalcite
1.0 parts of anti-NBC
1.0 parts of anti-ODA
20 parts of white carbon black
2.0 parts of polyethylene glycol
10 parts of plasticizer TOTM
40 parts of carbon black N774
2.0 parts of penylene bismaleimide between N.N'-
2,5- 3.0 parts of dimethyl -2,5- di-t-butyl hexane peroxides
Preparation method:
(1) chlorosulfonated polyethylene rubber, heat stabilizer, anti-aging agent are subjected to pressurization mixing, then by white carbon black, plasticizer
TOTM, carbon black addition are kneaded, and are eventually adding vulcanization accelerator, vulcanizing agent is kneaded, will when temperature reaches 120 DEG C
The sizing material mixed be discharged on open mill returns glue be kneaded 5 minutes, be then pressed on tablet press machine be suitble to processing adhesive tape, park to
With；
(2) film that will be kneaded uses temperature to carry out crosslinking 10 minutes for 165 DEG C of vulcanizing press.
Water-swellable chlorosulfonated polyethylene rubber composition and comparative example chlorosulfonated polyethylene rubber to embodiment 1-3 preparation
Glue composition is tested for the property comparison, and test result is shown in Table 1.
1 water-swellable chlorosulfonated polyethylene rubber composition properties of table
As can be seen from Table 1: the water-swellable chlorosulfonated polyethylene rubber composition of embodiment 1-3 preparation complies with standard GB/T
Hydro-expansive rubber requirement, hardness 32-52, tensile strength >=3.5MPa, elongation rate of tensile failure >=450% in 18173.3；Volume is swollen
Swollen multiplying power >=150%；Repeatedly after submerging test, tensile strength >=3.0MPa, elongation rate of tensile failure >=350%；Volume expansion ratio >=
150%；Low-temperature bending (- 20 DEG C × 2h) flawless.Indices are substantially better than comparative example.
The Applicant declares that the present invention is explained by the above embodiments method detailed of the invention, but the present invention not office
Be limited to above-mentioned method detailed, that is, do not mean that the invention must rely on the above detailed methods to implement.Technical field
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to each raw material of product of the present invention
Addition, selection of concrete mode etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (10)
1. a kind of water-swellable chlorosulfonated polyethylene rubber composition, it is characterised in that: raw material is calculated as according to mass fraction:
100 parts of haloflex
6-12 parts of polyethylene glycol
0.15-0.30 parts of azodiisobutyronitrile
0.12-0.30 parts of azobisisoheptonitrile
1-5 parts of interleaving agent
10 parts of extra light calcined magnesia
2-10 parts of heat stabilizer
0.5-2.0 parts of anti-aging agent
30-70 parts of water-absorbing resin
15-30 parts of white carbon black
Modification is sodium bentonite 5-15 parts high
1.5-5.0 parts of polyethylene glycol
5-10 parts of plasticizer TOTM
25-100 parts of carbon black
1.5-5 parts of vulcanization accelerator
1.5-3.0 parts of vulcanizing agent
A kind of water-swellable chlorosulfonated polyethylene rubber composition according to claim 1, it is characterised in that: the chlorine sulphur
Changing polyethylene glycol graft weight percentage composition in polyethylene-polyethylene glycol graft rubber is 6%-12%,
A kind of water-swellable chlorosulfonated polyethylene rubber composition according to claim 1, it is characterised in that: the poly- second
The molecular weight of glycol is 6000-8000.
2. a kind of water-swellable chlorosulfonated polyethylene rubber composition according to claim 1, it is characterised in that: the heat
Stabilizer is the combination of one or both of calcium stearate, hydrotalcite.
3. a kind of water-swellable chlorosulfonated polyethylene rubber composition according to claim 1, it is characterised in that: described
Anti-aging agent is the combination of one or both of antioxidant NBC, anti-aging agent ODA.
4. a kind of water-swellable chlorosulfonated polyethylene rubber composition according to claim 1, it is characterised in that: described
Water-absorbing resin is saponified, hydroxymethyl cellulose cross-linking products, the methyl methacrylate of starch-acrylonitrile graft polymer
Ester-vinyl acetate copolymer, isobutyiene-maieic anhydride one or more of alternate copolymer combination.
5. a kind of water-swellable chlorosulfonated polyethylene rubber composition according to claim 1, it is characterised in that: described
Carbon black is at least one of N330, N550 or N774.
6. a kind of water-swellable chlorosulfonated polyethylene rubber composition according to claim 1, it is characterised in that: the sulphur
Change promotor penylene bismaleimide (HVA-2), triallyl cyanogen between tetra-sulfurized pair pentamethylene thiuram (DPTT), N.N'-
One of urea acid esters (TAC).
7. a kind of water-swellable chlorosulfonated polyethylene rubber composition according to claim 1, it is characterised in that: the sulphur
Agent is one of pentaerythrite, epoxy resin, 2,5- dimethyl -2,5- di-t-butyl hexane peroxide (BPDH).
8. a kind of preparation method of any water-swellable chlorosulfonated polyethylene rubber composition of claim 1-9, special
Sign is: specific step is as follows
(1) haloflex, initiator and interleaving agent are added in reactor；It is passed through nitrogen to reactor, in reactor
Air carries out nitrogen displacement, starts reactor after being replaced, makes Flow of Goods and Materials；The sulphonyl chlorine of vaporization is passed through in reactor
Exhaust gas hydrogen chloride gas is discharged in reaction process for body, so that being reduced to normal temperature and pressure in reactor, then is passed through the progress of sulphonyl chlorine body
Reaction, is then exhausted from exhaust gas hydrogen chloride gas, is passed through sulphonyl chlorine body-discharge exhaust gas hydrogen chloride gas circulate operation and repeats 4-6
After secondary, the gas being passed through in nitrogen purification reactor, the sulphur weight percentage for obtaining gas solid method production is 1.0%-1.5%'s
Chlorosulfonated polyethylene.
9.(2) continue the polyethylene glycol into reactor, while azodiisobutyronitrile is added；It is passed through nitrogen to reactor, to reaction
Air in device carries out nitrogen displacement, starts reactor after being replaced, makes Flow of Goods and Materials；It is warming up to 80-90 DEG C, reaction 2 is small
When to get arrive chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer.
10.(3) chlorosulfonated polyethylene-polyethyleneglycol-graft copolymer, heat stabilizer, anti-aging agent, water-absorbing resin are pressurizeed
It is kneaded, then white carbon black, modified high sodium bentonite carbon black, plasticizer TOTM, carbon black addition is kneaded, are eventually adding sulphur
Change promotor, vulcanizing agent are kneaded, and when temperature reaches 110 DEG C~125 DEG C, the sizing material mixed are discharged on open mill and is returned
Glue is kneaded 2~5 minutes, and the adhesive tape for being suitble to processing is then pressed on tablet press machine, is parked stand-by；
(4) film that will be kneaded uses temperature to carry out being crosslinked to obtain water-swellable chlorosulfonation for 155-165 DEG C of vulcanizing press
Polyethylene rubber composition.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113004580A (en) * | 2019-12-22 | 2021-06-22 | 上海清远管业科技股份有限公司 | Fatigue-resistant water-swellable rubber and preparation method thereof |
| CN113512264A (en) * | 2021-06-09 | 2021-10-19 | 潍坊硕邑化学有限公司 | Maleic anhydride grafted chlorinated polyethylene water-swellable rubber and preparation method thereof |
| CN113861349A (en) * | 2021-10-13 | 2021-12-31 | 中国人民解放军军事科学院军事医学研究院 | Modified chlorosulfonated polyethylene emulsion and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04126713A (en) * | 1990-09-14 | 1992-04-27 | Nok Corp | Production of water swelling rubber composition |
| CN1450105A (en) * | 2003-04-29 | 2003-10-22 | 上海交通大学 | High-performace water-absorbing expansion rubber and process for preparing same |
| CN101153102A (en) * | 2006-09-30 | 2008-04-02 | 易会安 | Water uptake expansion composition, water uptake expansion material and water uptake expansion packer |
| CN101407601A (en) * | 2008-11-20 | 2009-04-15 | 武汉工程大学 | Method for modifying water encounter swelling rubber by using hydrophobic monomer |
| CN102153683A (en) * | 2011-01-13 | 2011-08-17 | 杭州新元化工技术开发有限公司 | Method for preparing chlorosulfonated polyethylene through gas, solid and liquid three-phase reaction |
| CN104017254A (en) * | 2014-06-20 | 2014-09-03 | 武汉工程大学 | Method for preparing reactive compatibilization-type nitrile water-swelling rubber |
| CN105906874A (en) * | 2016-06-23 | 2016-08-31 | 安徽荣达阀门有限公司 | High-performance waterproof rubber sealing material with hydrophilic expansion and preparation method thereof |
| CN106893009A (en) * | 2017-02-27 | 2017-06-27 | 徐翔 | Using sulfonic acid chloride and co-catalyst in preparing chlorosulfonated polyethylene by gas-solid phase method method |
-
2019
- 2019-01-31 CN CN201910100712.3A patent/CN109777125A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04126713A (en) * | 1990-09-14 | 1992-04-27 | Nok Corp | Production of water swelling rubber composition |
| CN1450105A (en) * | 2003-04-29 | 2003-10-22 | 上海交通大学 | High-performace water-absorbing expansion rubber and process for preparing same |
| CN101153102A (en) * | 2006-09-30 | 2008-04-02 | 易会安 | Water uptake expansion composition, water uptake expansion material and water uptake expansion packer |
| CN101407601A (en) * | 2008-11-20 | 2009-04-15 | 武汉工程大学 | Method for modifying water encounter swelling rubber by using hydrophobic monomer |
| CN102153683A (en) * | 2011-01-13 | 2011-08-17 | 杭州新元化工技术开发有限公司 | Method for preparing chlorosulfonated polyethylene through gas, solid and liquid three-phase reaction |
| CN104017254A (en) * | 2014-06-20 | 2014-09-03 | 武汉工程大学 | Method for preparing reactive compatibilization-type nitrile water-swelling rubber |
| CN105906874A (en) * | 2016-06-23 | 2016-08-31 | 安徽荣达阀门有限公司 | High-performance waterproof rubber sealing material with hydrophilic expansion and preparation method thereof |
| CN106893009A (en) * | 2017-02-27 | 2017-06-27 | 徐翔 | Using sulfonic acid chloride and co-catalyst in preparing chlorosulfonated polyethylene by gas-solid phase method method |
Non-Patent Citations (2)
| Title |
|---|
| 张殿荣等: "《现代橡胶配方设计》", 31 October 2001, 化学工业出版社 * |
| 王继刚等: "《油井选择性化学堵水技术》", 31 August 2013, 黑龙江科学技术出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113004580A (en) * | 2019-12-22 | 2021-06-22 | 上海清远管业科技股份有限公司 | Fatigue-resistant water-swellable rubber and preparation method thereof |
| CN113512264A (en) * | 2021-06-09 | 2021-10-19 | 潍坊硕邑化学有限公司 | Maleic anhydride grafted chlorinated polyethylene water-swellable rubber and preparation method thereof |
| CN113861349A (en) * | 2021-10-13 | 2021-12-31 | 中国人民解放军军事科学院军事医学研究院 | Modified chlorosulfonated polyethylene emulsion and preparation method thereof |
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