CN108329607A - A kind of pre-vulcanized butyl rubber board machining process - Google Patents

A kind of pre-vulcanized butyl rubber board machining process Download PDF

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CN108329607A
CN108329607A CN201711469295.7A CN201711469295A CN108329607A CN 108329607 A CN108329607 A CN 108329607A CN 201711469295 A CN201711469295 A CN 201711469295A CN 108329607 A CN108329607 A CN 108329607A
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butyl rubber
raw material
carbon black
mill
rubber raw
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赵博
陆越刚
蔡永涛
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Zhejiang Tuna Environmental Science and Technology Co Ltd
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Zhejiang Tuna Environmental Science and Technology Co Ltd
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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
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
    • 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
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24—Calendering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets
    • 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
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • 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
    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/14—Gas barrier composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract

The present invention relates to rubber materials, refer in particular to a kind of pre-vulcanized butyl rubber board machining process, include the following steps：The first step is plasticated：Butyl rubber raw material 1675N, butyl rubber raw material 268, which is put into open mill, plasticates, second step, the first step has been plasticated butyl rubber raw material and activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, anti-aging agent RD, anti-aging agent WB 16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, Gu Ma Long, zinc oxide is put into togerther kneading, third walks, by the raw material and sulphur in second step, altax, accelerating agent ZDC, accelerant N A 22 is put into togerther mill in open mill, 4th step, the good film of mill is put into calender, it is pressed into butyl offset plate by belt conveyor, 5th step, it will be put into steam vulcanization tank by calender and belt conveyor butyl offset plate after molding and vulcanize.The pre-vulcanized butyl rubber plate finally obtained has the advantages that high abrasion, high anti-corrosion, with long service life.

Description

A kind of pre-vulcanized butyl rubber board machining process
Technical field
The present invention relates to rubber materials, refer in particular to a kind of pre-vulcanized butyl rubber board machining process.
Background technology
Domestic existing natural rubber lined steel pipe and butyl rubber lined steel pipe can meet lime stone and gypsum slurries at present Working condition requirement, but when encountering special operation condition and needing to need field repair after rubber lined pipe damage in live line with rubber or operation, day The defects of T PNR and butyl rubber cannot be satisfied.Therefore, the present inventor makes further research this, develops a kind of presulfurization Thus butyl rubber board machining process, this case generate.
Invention content
The purpose of the present invention is to provide a kind of pre-vulcanized butyl rubber board machining process, have high abrasion, high anti-corrosion, use The advantages of long lifespan.
To achieve the goals above, technical scheme is as follows：
A kind of pre-vulcanized butyl rubber board machining process, includes the following steps：
The first step is plasticated：Butyl rubber raw material 1675N, butyl rubber raw material 268 are put into open mill and are plasticated, is moulded at twice Refining, the time of plasticating twice is all 17-23 minutes, and temperature is controlled at 90-110 DEG C, is placed 12 hours or more after mill is good,
Second step, by the first step plasticated butyl rubber raw material and activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, Anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, Gu Ma Long, zinc oxide are put into togerther masticator kneading 12-18 minutes；Temperature is controlled at 130-150 DEG C,
Third walk, by second step raw material and sulphur, altax, accelerating agent ZDC, accelerant N A-22 be put into togerther Mill in open mill, temperature are controlled at 70-90 DEG C,
4th step, the good film of mill is put into calender, and butyl offset plate, calender are pressed by belt conveyor Temperature is controlled at 70-90 DEG C,
5th step will be put into steam vulcanization tank by calender and belt conveyor butyl offset plate after molding and carry out sulphur Change, 135-145 DEG C of curing temperature, vulcanization time is 11-13 hours.
Further, the butyl rubber raw material 1675N, butyl rubber raw material 268, activated magnesia, stearic acid, chlorinated paraffin, Polyethylene wax, anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil The quality percentage of 300#, transformer oil, solid Ma Long, zinc oxide, sulphur, altax, accelerating agent ZDC, accelerant N A-22 each components Than for：It is butyl rubber raw material 1675N 20-22.5%, 268 21-22.5% of butyl rubber raw material, activated magnesia 0.3-0.5%, hard Resin acid 1-1.5%, chlorinated paraffin 1-1.5%, polyethylene wax 0.5-1%, anti-aging agent RD 0.5-0.8%, anti-aging agent WB-16 1- 1.5%, 770 6-8% of carbon black, 660 12-16% of carbon black, talcum powder 6-8%, barium sulfate 12-15%, aromatic naphtha 2.5- 3.5%, paraffin oil 300#2-3%, transformer oil 1.5-2%, the grand 1-1.5% of solid horse, zinc oxide 1.5-2%, sulphur 0.5- 0.8%, altax 0.1-0.15%, accelerating agent ZDC 0.5-1.0%, accelerant N A-22 0.1-0.15%.
After adopting the above scheme, compared with prior art, the present invention haing the following advantages：
(1) field maintenance is convenient：Compared with natural or butyl offset plate before presulfurization, encounters special operation condition and need live line with rubber Or line with rubber can be directly carried out after rubber lined pipe damage when needing field repair in operation, and the offset plate before presulfurization can not be real It is existing；
(2) high abrasion, corrosion-resistant：Presulfurization butyl rubber is a kind of synthetic rubber, has high abrasion, high corrosion-resistant Can, adapt to various erosion corrosion occasions；
(3) air-tightness is high：Presulfurization butyl rubber is the 1/7 of natural rubber to the transmitance of air；
(4) service life is long：By being compared with natural rubber lined steel pipe power plant desulfurization engineering test, service life is day 3 times or more of T PNR lined steel pipe.
Specific implementation mode
With reference to specific embodiment, the present invention is further illustrated.
Embodiment 1
The composition of the present embodiment pre-vulcanized butyl rubber plate is as follows：
Butyl rubber raw material 1675N 21%, butyl rubber raw material 268 21%, activated magnesia 0.4%, chlorinated paraffin 1.3%, polyethylene wax 1.3%, anti-aging agent RD 0.8%, anti-aging agent WB-16 1.3%, carbon black 770 7%, carbon black 660 14%, talcum powder 7%, barium sulfate 13.3%, aromatic naphtha 2.7%, paraffin oil 300#2.4%, transformer oil 1.7%, Gu Ma Long 1.3%, zinc oxide 1.7%, sulphur 0.6%, altax 0.1%, accelerating agent ZDC0.8%, accelerant N A-22 0.1%.
Butyl rubber raw material 1675N, butyl rubber raw material 268 are individually stacked according to the above ratio, by activated magnesia, tristearin Acid, chlorinated paraffin, polyethylene wax, anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic hydrocarbons Oil, paraffin oil 300#, transformer oil, solid Ma Long, zinc oxide are stacked upon according to the above ratio；By sulphur, altax, accelerating agent ZDC, accelerant N A-22 are stacked upon according to the above ratio；
The first step is plasticated：Butyl rubber raw material 1675N, butyl rubber raw material 268 are put into open mill and are plasticated, is moulded at twice Refining, the mill time is 20 minutes twice, and temperature is controlled at 100 DEG C, is placed 12 hours or more after mill is good.
Second step, by the first step plasticated butyl rubber raw material and activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, Anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, Gu Ma Long, zinc oxide are put into togerther masticator kneading 15 minutes；Temperature is controlled at 130-150 DEG C
Third walk, by second step raw material and sulphur, altax, accelerating agent ZDC, accelerant N A-22 be put into togerther Mill in open mill；Temperature is controlled at 80 DEG C
4th step, the good film of mill is put into calender, and butyl offset plate, calender are pressed by belt conveyor Temperature is controlled at 80 DEG C.
5th step will be put into steam vulcanization tank by calender and belt conveyor butyl offset plate after molding and carry out sulphur Change, 140 DEG C of curing temperature, vulcanization time is 12 hours.
Embodiment 2
The composition of the present embodiment pre-vulcanized butyl rubber plate is as follows：
Butyl rubber raw material 1675N 22%, butyl rubber raw material 268 22%, activated magnesia 0.4%, chlorinated paraffin 1.3%, polyethylene wax 1.3%, anti-aging agent RD 0.8%, anti-aging agent WB-16 1.3%, carbon black 770 6%, carbon black 660 13%, talcum powder 7%, barium sulfate 13.3%, aromatic naphtha 2.7%, paraffin oil 300#2.4%, transformer oil 1.7%, Gu Ma Long 1.3%, zinc oxide 1.7%, sulphur 0.6%, altax 0.1%, accelerating agent ZDC0.8%, accelerant N A-22 0.1%.
Butyl rubber raw material 1675N, butyl rubber raw material 268 are individually stacked according to the above ratio, by activated magnesia, tristearin Acid, chlorinated paraffin, polyethylene wax, anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic hydrocarbons Oil, paraffin oil 300#, transformer oil, solid Ma Long, zinc oxide are stacked upon according to the above ratio；By sulphur, altax, accelerating agent ZDC, accelerant N A-22 are stacked upon according to the above ratio；
The first step is plasticated：Butyl rubber raw material 1675N, butyl rubber raw material 268 are put into open mill and are plasticated, is moulded at twice Refining, the mill time is 20 minutes twice, and temperature is controlled at 100 DEG C, is placed 12 hours or more after mill is good.
Second step, by the first step plasticated butyl rubber raw material and activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, Anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, Gu Ma Long, zinc oxide are put into togerther masticator kneading 15 minutes；Temperature is controlled at 130-150 DEG C
Third walk, by second step raw material and sulphur, altax, accelerating agent ZDC, accelerant N A-22 be put into togerther Mill in open mill；Temperature is controlled at 80 DEG C
4th step, the good film of mill is put into calender, and butyl offset plate, calender are pressed by belt conveyor Temperature is controlled at 80 DEG C.
5th step will be put into steam vulcanization tank by calender and belt conveyor butyl offset plate after molding and carry out sulphur Change, 140 DEG C of curing temperature, vulcanization time is 12 hours.
Embodiment 3
The composition of the present embodiment pre-vulcanized butyl rubber plate is as follows：
Butyl rubber raw material 1675N 20%, butyl rubber raw material 268 20%, activated magnesia 0.4%, chlorinated paraffin 1.3%, polyethylene wax 1.3%, anti-aging agent RD 0.8%, anti-aging agent WB-16 1.3%, carbon black 770 7%, carbon black 660 14%, talcum powder 8%, barium sulfate 14.3%, aromatic naphtha 2.7%, paraffin oil 300#2.4%, transformer oil 1.7%, Gu Ma Long 1.3%, zinc oxide 1.7%, sulphur 0.6%, altax 0.1%, accelerating agent ZDC0.8%, accelerant N A-22 0.1%.
Butyl rubber raw material 1675N, butyl rubber raw material 268 are individually stacked according to the above ratio, by activated magnesia, tristearin Acid, chlorinated paraffin, polyethylene wax, anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic hydrocarbons Oil, paraffin oil 300#, transformer oil, solid Ma Long, zinc oxide are stacked upon according to the above ratio；By sulphur, altax, accelerating agent ZDC, accelerant N A-22 are stacked upon according to the above ratio；
The first step is plasticated：Butyl rubber raw material 1675N, butyl rubber raw material 268 are put into open mill and are plasticated, is moulded at twice Refining, the mill time is 20 minutes twice, and temperature is controlled at 100 DEG C, is placed 12 hours or more after mill is good.
Second step, by the first step plasticated butyl rubber raw material and activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, Anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, Gu Ma Long, zinc oxide are put into togerther masticator kneading 15 minutes；Temperature is controlled at 130-150 DEG C
Third walk, by second step raw material and sulphur, altax, accelerating agent ZDC, accelerant N A-22 be put into togerther Mill in open mill；Temperature is controlled at 80 DEG C
4th step, the good film of mill is put into calender, and butyl offset plate, calender are pressed by belt conveyor Temperature is controlled at 80 DEG C.
5th step will be put into steam vulcanization tank by calender and belt conveyor butyl offset plate after molding and carry out sulphur Change, 140 DEG C of curing temperature, vulcanization time is 12 hours.
Embodiment 4
The composition of the present embodiment pre-vulcanized butyl rubber plate is as follows：
Butyl rubber raw material 1675N 21.5%, butyl rubber raw material 268 21.5%, activated magnesia 0.4%, chlorinated paraffin 1.3%, polyethylene wax 1.3%, anti-aging agent RD 0.8%, anti-aging agent WB-16 1.3%, carbon black 770 6.5%, carbon black 660 13.5%, talcum powder 7%, barium sulfate 13.3%, aromatic naphtha 2.7%, paraffin oil 300#2.4%, transformer oil 1.7%, Gu Ma Long 1.3%, zinc oxide 1.7%, sulphur 0.6%, altax 0.1%, accelerating agent ZDC 0.8%, accelerant N A-22 0.1%.
Butyl rubber raw material 1675N, butyl rubber raw material 268 are individually stacked according to the above ratio, by activated magnesia, tristearin Acid, chlorinated paraffin, polyethylene wax, anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic hydrocarbons Oil, paraffin oil 300#, transformer oil, solid Ma Long, zinc oxide are stacked upon according to the above ratio；By sulphur, altax, accelerating agent ZDC, accelerant N A-22 are stacked upon according to the above ratio；
The first step is plasticated：Butyl rubber raw material 1675N, butyl rubber raw material 268 are put into open mill and are plasticated, is moulded at twice Refining, the mill time is 20 minutes twice, and temperature is controlled at 100 DEG C, is placed 12 hours or more after mill is good.
Second step, by the first step plasticated butyl rubber raw material and activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, Anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, Gu Ma Long, zinc oxide are put into togerther masticator kneading 15 minutes；Temperature is controlled at 130-150 DEG C
Third walk, by second step raw material and sulphur, altax, accelerating agent ZDC, accelerant N A-22 be put into togerther Mill in open mill；Temperature is controlled at 80 DEG C
4th step, the good film of mill is put into calender, and butyl offset plate, calender are pressed by belt conveyor Temperature is controlled at 80 DEG C.
5th step will be put into steam vulcanization tank by calender and belt conveyor butyl offset plate after molding and carry out sulphur Change, 140 DEG C of curing temperature, vulcanization time is 12 hours.
Embodiment 5
The composition of the present embodiment pre-vulcanized butyl rubber plate is as follows：
Butyl rubber raw material 1675N 21%, butyl rubber raw material 268 21%, activated magnesia 0.4%, chlorinated paraffin 1.3%, polyethylene wax 1.3%, anti-aging agent RD 0.8%, anti-aging agent WB-16 1.3%, carbon black 770 8%, carbon black 660 13.5%, talcum powder 6.5%, barium sulfate 13.3%, aromatic naphtha 2.7%, paraffin oil 300#2.4%, transformer oil 1.7%, Gu horse Grand 1.3%, zinc oxide 1.7%, sulphur 0.6%, altax 0.1%, accelerating agent ZDC 0.8%, accelerant N A-22 0.1%.
Butyl rubber raw material 1675N, butyl rubber raw material 268 are individually stacked according to the above ratio, by activated magnesia, tristearin Acid, chlorinated paraffin, polyethylene wax, anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic hydrocarbons Oil, paraffin oil 300#, transformer oil, solid Ma Long, zinc oxide are stacked upon according to the above ratio；By sulphur, altax, accelerating agent ZDC, accelerant N A-22 are stacked upon according to the above ratio；
The first step is plasticated：Butyl rubber raw material 1675N, butyl rubber raw material 268 are put into open mill and are plasticated, is moulded at twice Refining, the mill time is 20 minutes twice, and temperature is controlled at 100 DEG C, is placed 12 hours or more after mill is good.
Second step, by the first step plasticated butyl rubber raw material and activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, Anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, Gu Ma Long, zinc oxide are put into togerther masticator kneading 15 minutes；Temperature is controlled at 130-150 DEG C
Third walk, by second step raw material and sulphur, altax, accelerating agent ZDC, accelerant N A-22 be put into togerther Mill in open mill；Temperature is controlled at 80 DEG C
4th step, the good film of mill is put into calender, and butyl offset plate, calender are pressed by belt conveyor Temperature is controlled at 80 DEG C.
5th step will be put into steam vulcanization tank by calender and belt conveyor butyl offset plate after molding and carry out sulphur Change, 140 DEG C of curing temperature, vulcanization time is 12 hours.
Embodiment 6
The composition of the present embodiment pre-vulcanized butyl rubber plate is as follows：
Butyl rubber raw material 1675N 22.5%, butyl rubber raw material 268 22.5%, activated magnesia 0.4%, chlorinated paraffin 1.3%, polyethylene wax 1.3%, anti-aging agent RD 0.8%, anti-aging agent WB-16 1.3%, carbon black 770 6%, carbon black 660 13%, talcum powder 6%, barium sulfate 13.3%, aromatic naphtha 2.7%, paraffin oil 300#2.4%, transformer oil 1.7%, Gu Ma Long 1.3%, zinc oxide 1.7%, sulphur 0.6%, altax 0.1%, accelerating agent ZDC 0.8%, accelerant N A-22 0.1%.
Butyl rubber raw material 1675N, butyl rubber raw material 268 are individually stacked according to the above ratio, by activated magnesia, tristearin Acid, chlorinated paraffin, polyethylene wax, anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic hydrocarbons Oil, paraffin oil 300#, transformer oil, solid Ma Long, zinc oxide are stacked upon according to the above ratio；By sulphur, altax, accelerating agent ZDC, accelerant N A-22 are stacked upon according to the above ratio；
The first step is plasticated：Butyl rubber raw material 1675N, butyl rubber raw material 268 are put into open mill and are plasticated, is moulded at twice Refining, the mill time is 20 minutes twice, and temperature is controlled at 100 DEG C, is placed 12 hours or more after mill is good.
Second step, by the first step plasticated butyl rubber raw material and activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, Anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, Gu Ma Long, zinc oxide are put into togerther masticator kneading 15 minutes；Temperature is controlled at 130-150 DEG C
Third walk, by second step raw material and sulphur, altax, accelerating agent ZDC, accelerant N A-22 be put into togerther Mill in open mill；Temperature is controlled at 80 DEG C
4th step, the good film of mill is put into calender, and butyl offset plate, calender are pressed by belt conveyor Temperature is controlled at 80 DEG C.
5th step will be put into steam vulcanization tank by calender and belt conveyor butyl offset plate after molding and carry out sulphur Change, 140 DEG C of curing temperature, vulcanization time is 12 hours.
Presulfurization butyl rubber plate prepared by the various embodiments described above is put into Desulphurization for Coal-fired Power Plant system slurry pipeline In special operation condition and scene breakage repair application, wear resistance height high with corrosion resistance, air-tightness is high, service life is long, can The advantages that realizing field maintenance.
It above are only specific embodiments of the present invention, while involved such as " upper and lower, left and right, centre " in all present invention Equal words are only used as with reference to not absolute limit, all changes for carrying out unsubstantiality using the present invention should all belong to and invade this hair The behavior of bright protection domain.

Claims (2)

1. a kind of pre-vulcanized butyl rubber board machining process, includes the following steps：
The first step is plasticated：Butyl rubber raw material 1675N, butyl rubber raw material 268 are put into open mill and are plasticated, is plasticated at twice, two The secondary time of plasticating is all 17-23 minutes, and temperature is controlled at 90-110 DEG C, is placed 12 hours or more after mill is good,
Second step has plasticated the first step butyl rubber raw material and activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, anti-old Agent RD, anti-aging agent WB-16, carbon black 770, carbon black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, solid horse Grand, zinc oxide is put into togerther masticator kneading 12-18 minutes；Temperature is controlled at 130-150 DEG C,
Third walk, by second step raw material and sulphur, altax, accelerating agent ZDC, accelerant N A-22 be put into togerther mill Mill in machine, temperature are controlled at 70-90 DEG C,
4th step, the good film of mill is put into calender, and butyl offset plate, calender temperature are pressed by belt conveyor It controls at 70-90 DEG C,
5th step will be put into steam vulcanization tank and be vulcanized by calender and belt conveyor butyl offset plate after molding, 135-145 DEG C of curing temperature, vulcanization time are 11-13 hours.
2. a kind of pre-vulcanized butyl rubber board machining process according to claim 1：The butyl rubber raw material 1675N, butyl Collagen material 268, activated magnesia, stearic acid, chlorinated paraffin, polyethylene wax, anti-aging agent RD, anti-aging agent WB-16, carbon black 770, carbon Black 660, talcum powder, barium sulfate, aromatic naphtha, paraffin oil 300#, transformer oil, solid Ma Long, zinc oxide, sulphur, altax, promotion Agent ZDC, accelerant N A-22 each components mass percent be：Butyl rubber raw material 1675N 20-22.5%, butyl rubber raw material 268 21-22.5%, activated magnesia 0.3-0.5%, stearic acid 1-1.5%, chlorinated paraffin 1-1.5%, polyethylene wax 0.5-1%, Anti-aging agent RD 0.5-0.8%, anti-aging agent WB-16 1-1.5%, 770 6-8% of carbon black, 660 12-16% of carbon black, talcum powder 6- 8%, barium sulfate 12-15%, aromatic naphtha 2.5-3.5%, paraffin oil 300#2-3%, transformer oil 1.5-2%, the grand 1- of solid horse 1.5%, zinc oxide 1.5-2%, sulphur 0.5-0.8%, altax 0.1-0.15%, accelerating agent ZDC 0.5-1.0%, rush Into agent NA-22 0.1-0.15%.
CN201711469295.7A 2017-12-29 2017-12-29 A kind of pre-vulcanized butyl rubber board machining process Pending CN108329607A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106046574A (en) * 2016-08-18 2016-10-26 阔丹凌云汽车胶管有限公司 Butyl rubber and preparation method of same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106046574A (en) * 2016-08-18 2016-10-26 阔丹凌云汽车胶管有限公司 Butyl rubber and preparation method of same

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