CN116494413A - Method for producing butyl rubber product by using butyl capsule - Google Patents
Method for producing butyl rubber product by using butyl capsule Download PDFInfo
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- CN116494413A CN116494413A CN202310516987.1A CN202310516987A CN116494413A CN 116494413 A CN116494413 A CN 116494413A CN 202310516987 A CN202310516987 A CN 202310516987A CN 116494413 A CN116494413 A CN 116494413A
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- rubber
- butyl
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- 229920005549 butyl rubber Polymers 0.000 title claims abstract description 52
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 title claims abstract description 47
- 239000002775 capsule Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 229920001971 elastomer Polymers 0.000 claims abstract description 122
- 239000005060 rubber Substances 0.000 claims abstract description 122
- 239000000203 mixture Substances 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 38
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 13
- 239000004917 carbon fiber Substances 0.000 claims abstract description 13
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011787 zinc oxide Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000007598 dipping method Methods 0.000 claims description 37
- 230000003111 delayed effect Effects 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 20
- 239000002174 Styrene-butadiene Substances 0.000 claims description 18
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 18
- 229920001577 copolymer Polymers 0.000 claims description 18
- 239000000839 emulsion Substances 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 18
- 239000011115 styrene butadiene Substances 0.000 claims description 18
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 18
- 229920002943 EPDM rubber Polymers 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 13
- 239000001307 helium Substances 0.000 claims description 12
- 229910052734 helium Inorganic materials 0.000 claims description 12
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 12
- 238000004073 vulcanization Methods 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 239000004332 silver Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 6
- 238000005660 chlorination reaction Methods 0.000 claims description 5
- PXJJSXABGXMUSU-UHFFFAOYSA-N disulfur dichloride Chemical compound ClSSCl PXJJSXABGXMUSU-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229920001903 high density polyethylene Polymers 0.000 claims description 5
- 239000004700 high-density polyethylene Substances 0.000 claims description 5
- 239000000395 magnesium oxide Substances 0.000 claims description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 5
- 239000002861 polymer material Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000006467 substitution reaction Methods 0.000 claims description 5
- CPGFMWPQXUXQRX-UHFFFAOYSA-N 3-amino-3-(4-fluorophenyl)propanoic acid Chemical compound OC(=O)CC(N)C1=CC=C(F)C=C1 CPGFMWPQXUXQRX-UHFFFAOYSA-N 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000010074 rubber mixing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/26—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a method for producing butyl rubber products by using butyl capsules, which particularly relates to the technical field of butyl rubber product production, and comprises the following steps: in the first step, when materials are selected, 100-150 parts of butyl capsule reclaimed rubber, 5-15 parts of ethylene-propylene-diene reclaimed rubber, 3-5 parts of zinc oxide, 50-80 parts of carbon fiber powder, 40-60 parts of copper powder, 8-12 parts of talcum powder and 20-30 parts of vulcanizing agent. According to the invention, the mixture A is poured into the vulcanizing machine, then zinc oxide, carbon fiber powder, talcum powder, vulcanizing agent and reinforcing agent are mixed into the vulcanizing machine, high-temperature and high-pressure steam is filled into the vulcanizing machine by pressurization, so that the impurities in the air can be removed and stripped, and other gases in the air can be removed, so that the butyl rubber product has no impurities and better bonding firmness, and the pulling resistance of the butyl rubber product is better.
Description
Technical Field
The invention relates to the technical field of butyl rubber product production, in particular to a method for producing butyl rubber products by using butyl capsules.
Background
The butyl capsule has the characteristics of no benzene and chlorinated solvent, no pollution, little poison and the like, and simultaneously, as the butyl rubber and the polyisobutene contain a large amount of methyl groups which are regularly arranged, the butyl capsule has excellent sealing property, low air permeability, good chemical stability, excellent weather resistance, aging resistance, ozone resistance, electrical resistance and heat resistance, and the butyl capsule is regenerated as a part of recycling economy, thereby changing waste into valuables, expanding the source of rubber, saving the butyl rubber and reducing the cost of products.
Among the prior published documents, patent publication number CN101560316B discloses a method for producing a thin butyl rubber product by using butyl capsule reclaimed rubber, and the patent aims at the problem that the application of the butyl capsule reclaimed rubber in the thin butyl rubber product is restricted due to long vulcanization time, because the butyl capsule is vulcanized by resin, sulfur is firstly used for vulcanization after the regeneration, the vulcanization time is long, and the production efficiency is influenced; the butyl rubber article is inexpensive. The rubber has good plasticity, uniform rubber mixing quality, time saving and power consumption reduction. The sizing material has good fluidity and small thermoplasticity, is easy to keep the original shape during molding and vulcanization, and has good appearance and elasticity of the finished product; however, this patent has the following drawbacks;
according to the method for producing the butyl rubber product, in the using process of the butyl rubber product, water quality in the outside air and impurity dust can enable impurities to enter the butyl rubber product in the vulcanizing process of the butyl rubber product, so that the rolling bonding firmness of the butyl rubber product is reduced, and the pulling resistance of the butyl rubber product is poor.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a method for producing butyl rubber products using butyl capsules.
In order to achieve the above purpose, the present invention provides the following technical solutions: a method for producing butyl rubber products by using butyl capsules, which comprises the following specific steps:
when materials are selected, 100-150 parts of butyl capsule reclaimed rubber, 5-15 parts of ethylene-propylene-diene reclaimed rubber, 3-5 parts of zinc oxide, 50-80 parts of carbon fiber powder, 40-60 parts of copper powder, 8-12 parts of talcum powder, 20-30 parts of vulcanizing agent, 1-1.8 parts of reinforcing agent and 160-170 parts of styrene-butadiene emulsion copolymer glue solution;
secondly, during crushing, the butyl capsule reclaimed rubber and the ethylene-propylene-diene reclaimed rubber are put into a crusher, the crusher is kept at a constant speed of 50-60 revolutions per minute, the inside of the crusher is heated to 50-80 ℃ for 5-10 minutes, crushed materials are screened through a screen, and the screened materials are contained in a storage box;
step three, pouring the materials into a mixer during mixing, stirring the mixer at the speed of 50-60 revolutions per minute, determining whether the materials are sufficiently mixed by 3-5 workers at the same time when the mixer is opened each time, and stopping the operation of the mixer when 3-5 operators consider that the materials are sufficiently mixed to obtain a mixture A;
pouring the mixture A into a vulcanizing machine during vulcanization, mixing zinc oxide, carbon fiber powder, talcum powder, vulcanizing agent and reinforcing agent into the vulcanizing machine, filling high-temperature and high-pressure steam into the vulcanizing machine through pressurization, filling the steam at 180-220 ℃ and 4-10 MPa for 5-10 minutes, switching nitrogen into the mixture A, closing the whole helium inlet, and preserving heat and pressure for 10-20 minutes at 100-120 ℃ and 5-10 MPa to prepare the vulcanized mixture A;
step five, when water is kept, the vulcanized mixture A is placed in a dryer, the external water content of the vulcanized mixture A is about 7-12%, the internal water content of the vulcanized mixture A can reach about 10-12%, and the vulcanized mixture A is ensured to have enough adhesive force;
step six, carrying out delay pressing, namely placing the vulcanized mixture A into a delay press for rough smelting, adopting a smaller roll spacing of 8-12 mm and a lower silver cylinder temperature of 40-50 ℃ to carry out thin pass for 5-8 times, conveying the rough-smelted vulcanized mixture A to a fine smelting position, adopting the silver cylinder temperature of 60-70 ℃ and the roll spacing of 5-6 mm, and carrying out rolling for 5-10 times to obtain the delay pressing rubber;
step seven, during gum dipping, the delayed and pressed rubber is placed into a gum dipping box, the upper surface of the delayed and pressed rubber is extruded by a flatting machine at 5-6 megaPa, so that the delayed and pressed rubber is extruded and flatly attached to the inner wall position of the gum dipping box, then the styrene-butadiene emulsion copolymer glue solution is poured into the gum dipping box, the pouring depth of the styrene-butadiene emulsion copolymer glue solution needs to overflow the upper surface of the delayed and pressed rubber, the gum dipping is carried out for 30-50 minutes, and a gum dipping rubber finished product can be prepared when the waiting time is reached;
step eight, during tabletting, the gum dipping rubber finished product is put into a four-roller tablet press, gum is supplied between an upper roller and a middle roller during tabletting on the four-roller tablet press, a film is discharged between the middle roller and a lower roller, a visual sensor is adopted to check whether the film has the problems of gum accumulation, bubbles and the like in real time, if the comparison between a vertical horse and an image database occurs, an alarm can be sent to an operator, the problem is solved within 5-10 minutes, and then a profiling roller is used for rolling out the shape grains with the specified shape on the tabletting rubber to prepare a rubber strip;
and step nine, heating the positioning die to 150-180 ℃ during profiling, putting the rubber strip into the positioning die, and along with rolling of the positioning die, limiting and extruding the left side and the right side of the rubber strip, so as to ensure that the rubber strip is discharged according to the specified width of 20-40 cm and the specified thickness of 5-10 mm, thereby preparing the finished butyl rubber product.
Preferably, before the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer are crushed in the step II, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer are required to be uniformly dried for 5-10 minutes at 70-90 ℃ through a drying chamber, and the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer reclaimed rubber are required to be turned over every 1 minute.
Preferably, in the second step, the crushing time is 5-6 minutes, and the speed of the crusher is increased to 80-100 revolutions per minute after five minutes are finished.
Preferably, in the second step, the diameter of the mesh opening of the screen is 5-10 mm, and the inner wall of the mesh opening is polished by polishing powder.
Preferably, in the third step, the operator needs to turn on the mixer to check every three minutes in the mixing process, and the checking time is not less than 2-5 minutes.
Preferably, the helium gas input initial temperature in the fourth step is required to be kept at 80-100 ℃, and the helium gas is uniformly filled into the vulcanizing machine from bottom to top.
Preferably, in the fifth step, the drying is performed by microwave drying at 50-60 ℃ for 10-15 minutes, and the moisture content of the vulcanized mixture A is detected by a moisture instrument every 1 minute.
Preferably, the vulcanizing agent is prepared by mixing sulfur monochloride with magnesium oxide, pentaerythritol and dipentamethylenethiuram Tetrasulfide (TRA).
Preferably, the material of the reinforcing agent is chlorinated polyethylene, and the chlorinated polyethylene is a high polymer material prepared by the chlorination substitution reaction of high-density polyethylene.
Preferably, in the eighth step, the number of the visual sensors is three, and the three visual sensors are sequentially and equidistantly arranged and distributed on the side surface of one roller from bottom to top.
The invention has the technical effects and advantages that:
according to the invention, the mixture A is poured into the vulcanizing machine, then zinc oxide, carbon fiber powder, talcum powder, vulcanizing agent and reinforcing agent are mixed into the vulcanizing machine, high-temperature and high-pressure steam is filled into the vulcanizing machine by pressurization, so that the impurities in the air can be removed and stripped, and other gases in the air can be removed, so that the butyl rubber product has no impurities and better bonding firmness, and the pulling resistance of the butyl rubber product is better;
according to the invention, microwave drying is adopted, the moisture content of the primary vulcanization mixture A is detected by a moisture instrument, so that sufficient adhesive force of the butyl rubber product in the vulcanization process is ensured, high-temperature and high-pressure steam can be pressurized and poured into a vulcanizing machine, the whole butyl rubber product is fully extruded, no bubble is generated, the bubble removing effect in the vulcanization process is better, and the butyl rubber product is more compact;
the invention puts the delay rubber after delay into the gum dipping box, presses on the upper surface of the delay rubber by using a flatting machine, presses and flatly attaches the delay rubber on the inner wall of the gum dipping box, the pouring depth of the styrene-butadiene emulsion copolymer glue solution needs to overflow the upper surface of the delay rubber, and the whole can form an adhesive rubber layer outside the butyl rubber product, thereby improving the pulling property of the whole butyl rubber product;
in conclusion, through the mutual influence of the functions, impurities in the air can be removed and stripped, other gases in the air can be removed, the whole butyl rubber product is fully extruded to ensure that no bubbles are generated, and finally the filling depth of the styrene-butadiene emulsion copolymer glue solution needs to be overturned to the upper surface of the extension rubber, so that an adhesion rubber layer can be formed outside the butyl rubber product integrally, and the pulling resistance of the butyl rubber product can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall operation method of the present invention.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
A method for producing butyl rubber products by using butyl capsules, which comprises the following specific steps:
when materials are selected, 100 parts of butyl capsule reclaimed rubber, 5 parts of ethylene-propylene-diene monomer reclaimed rubber, 3 parts of zinc oxide, 50 parts of carbon fiber powder, 40 parts of copper powder, 8 parts of talcum powder, 20 parts of vulcanizing agent, 1 part of reinforcing agent and 160 parts of styrene-butadiene emulsion copolymer glue solution;
step two, during crushing, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer are required to be uniformly dried for 5 minutes at 70 ℃ through a drying chamber before being crushed, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer reclaimed rubber are required to be turned over every 1 minute, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer reclaimed rubber are put into a crusher, the crusher is kept at a constant speed at 50 rpm, the crushing duration is 5 minutes, the speed of the crusher is increased to 80 rpm after five minutes are finished, the inside of the crusher is heated to 50 ℃ for 5 minutes, crushed materials are screened through a screen, the diameter of the meshes of the screen is 5 millimeters, and the inner walls of the meshes are subjected to polishing treatment by polishing powder, so that the screened materials are contained in a storage box;
step three, during mixing, pouring the materials into a mixer, stirring the materials at the speed of 50 revolutions per minute, opening the mixer for checking once every three minutes by operators in the mixing process, checking the time length for not less than 2 minutes, determining whether the materials are sufficiently mixed by 3 operators at the same time when each opening, and stopping the operation of the mixer when the materials are uniformly considered to be sufficiently mixed by the 3 operators to obtain a mixture A;
pouring the mixture A into a vulcanizing machine during vulcanization, mixing zinc oxide, carbon fiber powder, talcum powder, vulcanizing agent and reinforcing agent into the vulcanizing machine, mixing sulfur monochloride, magnesium oxide, pentaerythritol and bis-pentamethylene thiuram Tetrasulfide (TRA), wherein the reinforcing agent is chlorinated polyethylene, the chlorinated polyethylene is a high polymer material prepared by chlorination substitution reaction of high-density polyethylene, high-temperature and high-pressure steam is filled into the vulcanizing machine through pressurization, the temperature is 180 ℃, the pressure is 4 MPa, the nitrogen is switched and introduced after filling for 5 minutes, the initial temperature of helium input needs to be kept 80 ℃, the mixture A is uniformly filled into the vulcanizing machine from bottom to top, the whole helium inlet is closed, the temperature is 100 ℃, the pressure is 5 MPa, and the temperature and the pressure are maintained for 1 minute, so that the vulcanized mixture A can be prepared;
step five, when water is kept, the vulcanized mixture A is placed in a dryer, is dried for 10 minutes at 50 ℃ by adopting microwave drying, and the moisture content of the vulcanized mixture A is detected by a moisture instrument every 1 minute, wherein the external moisture content of the vulcanized mixture A is about 7%, and the internal moisture content of the vulcanized mixture A can reach about 10%, so that the vulcanized mixture A has enough adhesive force;
step six, carrying out delay pressing, namely placing the vulcanized mixture A into a delay press for coarse smelting, carrying out thin pass 5 times at a lower silver cylinder temperature of 40 ℃ with a smaller roll spacing of 8 mm, conveying the coarse-smelted mixture A to a fine smelting position, setting the silver cylinder temperature to 60 ℃ and adjusting the roll spacing to 5 mm, and carrying out rolling 5 times to obtain delay pressing rubber;
step seven, during gum dipping, the delayed and pressed rubber is placed into a gum dipping box, the upper surface of the delayed and pressed rubber is extruded at the pressure of 5 megapascals by a flatting machine, so that the delayed and pressed rubber is extruded and flatly attached to the inner wall position of the gum dipping box, then the styrene-butadiene emulsion copolymer glue solution is poured into the gum dipping box, the pouring depth of the styrene-butadiene emulsion copolymer glue solution needs to overflow the upper surface of the delayed and pressed rubber, the gum dipping is carried out for 30 minutes, and a gum dipping rubber finished product can be manufactured when the waiting time is reached;
step eight, during tabletting, the gum dipping rubber finished product is put into a four-roller tablet press, rubber is supplied between an upper roller and a middle roller during tabletting on the four-roller tablet press, rubber sheets are discharged between the middle roller and a lower roller, whether the rubber sheets have accumulated rubber and bubbles or not is checked in real time by adopting vision sensors, the number of the vision sensors is three, the three vision sensors are sequentially and equidistantly arranged and distributed on the side surface of the middle roller from bottom to top, if a standing horse is compared with an image database, an alarm can be sent to an operator, the problem is solved within 5 minutes, and then the profiling roller is used for rolling out the shape grains with the specified shape on the tabletting rubber to prepare rubber strips;
and step nine, during profiling, heating the positioning die to 150 ℃, putting the rubber strip into the positioning die, and along with rolling of the positioning die, limiting and extruding the left side and the right side of the rubber strip, so as to ensure that the rubber strip is discharged according to the specified width of 20 cm and the specified thickness of 5 mm, and thus the butyl rubber product can be prepared and finished.
Examples
A method for producing butyl rubber products by using butyl capsules, which comprises the following specific steps:
step one, when materials are selected, 120 parts of butyl capsule reclaimed rubber, 10 parts of ethylene-propylene-diene reclaimed rubber, 4 parts of zinc oxide, 60 parts of carbon fiber powder, 50 parts of copper powder, 10 parts of talcum powder, 15 parts of vulcanizing agent, 1.2 parts of reinforcing agent and 165 parts of styrene-butadiene emulsion copolymer glue solution;
step two, during crushing, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer are required to be uniformly dried for 8 minutes at 80 ℃ through a drying chamber before being crushed, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer reclaimed rubber are required to be turned over every 1 minute, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer reclaimed rubber are put into a crusher, the crusher is kept at a constant speed at 55 rpm, the crushing time is 5 minutes, the speed of the crusher is increased to 90 rpm after five minutes are finished, the inside of the crusher is heated to 60 ℃ for 8 minutes, crushed materials are screened through a screen, the diameter of the meshes of the screen is 8 millimeters, and the inner walls of the meshes are subjected to polishing treatment by polishing powder, so that the screened materials are contained in a storage box;
step three, during mixing, pouring the materials into a mixer, stirring the materials at the speed of 40 revolutions per minute, opening the mixer for checking once every three minutes by operators in the mixing process, checking the materials for not less than 3 minutes, simultaneously determining whether the materials are sufficiently mixed by 4 operators every time, and stopping the operation of the mixer when the 4 operators consider that the materials are sufficiently mixed;
pouring the mixture A into a vulcanizing machine during vulcanization, mixing zinc oxide, carbon fiber powder, talcum powder, vulcanizing agent and reinforcing agent into the vulcanizing machine, mixing sulfur monochloride, magnesium oxide, pentaerythritol and bis-pentamethylene thiuram Tetrasulfide (TRA), wherein the reinforcing agent is chlorinated polyethylene, the chlorinated polyethylene is a high polymer material prepared by chlorination substitution reaction of high-density polyethylene, high-temperature and high-pressure steam is filled into the vulcanizing machine through pressurization, the temperature is 200 ℃ and the pressure is 5 megapascals, after filling for 8 minutes, nitrogen is switched in, the initial temperature of helium input needs to be kept at 90 ℃, the whole mixture A is uniformly filled into the vulcanizing machine from bottom to top, the whole helium inlet is closed, and the temperature is kept at 110 ℃ and 5-10 megapascals for 15 minutes, so that the vulcanized mixture A can be prepared;
step five, when water is kept, the vulcanized mixture A is placed in a dryer, is dried for 12 minutes at 55 ℃ by adopting microwave drying, and the moisture content of the vulcanized mixture A is detected by a moisture instrument every 1 minute, wherein the external moisture content of the vulcanized mixture A is about 10%, and the internal moisture content of the vulcanized mixture A can reach about 11%, so that the vulcanized mixture A has enough adhesive force;
step six, carrying out delay pressing, namely placing the vulcanized mixture A into a delay press for coarse smelting, adopting a smaller roll spacing of 10 mm and a lower silver cylinder temperature of 45 ℃ to carry out thin pass for 6 times, conveying the coarse smelting mixture A to a fine smelting position, adopting the silver cylinder temperature to be 65 ℃ and the roll spacing to be 5 mm, and carrying out rolling for 8 times to obtain the delay pressing rubber;
step seven, during gum dipping, the delayed and pressed rubber is placed into a gum dipping box, the upper surface of the delayed and pressed rubber is extruded at the pressure of 5 megapascals by a flatting machine, so that the delayed and pressed rubber is extruded and flatly attached to the inner wall position of the gum dipping box, then the styrene-butadiene emulsion copolymer glue solution is poured into the gum dipping box, the pouring depth of the styrene-butadiene emulsion copolymer glue solution needs to overflow the upper surface of the delayed and pressed rubber, the gum dipping time is 40 minutes, and a gum dipping rubber finished product can be manufactured when the waiting time is up;
step eight, during tabletting, the gum dipping rubber finished product is put into a four-roller tablet press, rubber is supplied between an upper roller and a middle roller during tabletting on the four-roller tablet press, rubber sheets are discharged between the middle roller and a lower roller, whether the rubber sheets have accumulated rubber and bubbles or not is checked in real time by adopting vision sensors, the number of the vision sensors is three, the three vision sensors are sequentially and equidistantly arranged and distributed on the side surface of the middle roller from bottom to top, if a standing horse is compared with an image database, an alarm can be sent to an operator, the problem is solved within 8 minutes, and then the profiling roller is used for rolling out the shape grains with the specified shape on the tabletting rubber to prepare rubber strips;
and step nine, during profiling, heating the positioning die to 160 ℃, putting the rubber strip into the positioning die, and along with rolling of the positioning die, limiting and extruding the left side and the right side of the rubber strip, so as to ensure that the rubber strip is discharged according to the specified width of 30 cm and the specified thickness of 8 mm, and thus the butyl rubber product can be prepared and finished.
Examples
A method for producing butyl rubber products by using butyl capsules, which comprises the following specific steps:
when materials are selected, 150 parts of butyl capsule reclaimed rubber, 15 parts of ethylene-propylene-diene monomer reclaimed rubber, 5 parts of zinc oxide, 80 parts of carbon fiber powder, 60 parts of copper powder, 12 parts of talcum powder, 30 parts of vulcanizing agent, 1.8 parts of reinforcing agent and 170 parts of styrene-butadiene emulsion copolymer glue solution;
step two, during crushing, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer are required to be uniformly dried for 10 minutes at 90 ℃ through a drying chamber before being crushed, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer reclaimed rubber are required to be turned over every 1 minute, the butyl capsule reclaimed rubber and the ethylene-propylene-diene monomer reclaimed rubber are put into a crusher, the crusher is kept at a constant speed at 60 revolutions per minute, the crushing duration is rotated for 6 minutes, the speed of the crusher is increased to 100 revolutions per minute after five minutes are finished, meanwhile, the inside of the crusher is heated to 80 ℃ for 10 minutes, crushed materials are screened through a screen, the diameter of the mesh of the screen is 10 millimeters, and the inner wall of the mesh is polished by polishing powder, so that the screened materials are contained in a storage box;
step three, during mixing, pouring the materials into a mixer, stirring the materials at the speed of 60 revolutions per minute, opening the mixer for checking once every three minutes by operators in the mixing process, checking the materials for not less than 5 minutes, determining whether the materials are sufficiently mixed by 5 operators at the same time when the checking time is not less than 5 minutes, and stopping the operation of the mixer when the 5 operators consider that the materials are sufficiently mixed to obtain a mixture A;
pouring the mixture A into a vulcanizing machine during vulcanization, mixing zinc oxide, carbon fiber powder, talcum powder, vulcanizing agent and reinforcing agent into the vulcanizing machine, mixing sulfur monochloride, magnesium oxide, pentaerythritol and bis-pentamethylene thiuram Tetrasulfide (TRA), wherein the reinforcing agent is chlorinated polyethylene, the chlorinated polyethylene is a high polymer material prepared by chlorination substitution reaction of high-density polyethylene, high-temperature and high-pressure steam is filled into the vulcanizing machine through pressurization, the steam is filled at 220 ℃ and 10 MPa, nitrogen is switched to be introduced after filling for 10 minutes, the initial temperature of helium is required to be kept at 100 ℃, the whole helium inlet is uniformly filled into the vulcanizing machine from bottom to top, the temperature is 120 ℃, the pressure is 10 MPa, and the temperature and the pressure are maintained for 20 minutes, so that the vulcanized mixture A can be prepared;
step five, when water is kept, the vulcanized mixture A is placed in a dryer, is dried for 15 minutes at 60 ℃ by adopting microwave drying, and the moisture content of the vulcanized mixture A is detected by a moisture instrument every 1 minute, wherein the external moisture content of the vulcanized mixture A is about 12%, and the internal moisture content of the vulcanized mixture A can reach about 12%, so that the vulcanized mixture A has enough adhesive force;
step six, carrying out delay pressing, namely placing the vulcanized mixture A into a delay press for coarse smelting, carrying out thin pass 8 times at a low silver cylinder temperature of 50 ℃ with a small roll spacing of 12 mm, conveying the coarse mixture A to a fine smelting position, setting the silver cylinder temperature to 70 ℃ and adjusting the roll spacing to 6 mm, and carrying out rolling for 10 times to obtain delay pressing rubber;
step seven, during gum dipping, the delayed and pressed rubber is placed into a gum dipping box, the upper surface of the delayed and pressed rubber is extruded by a flatting machine at the pressure of 6 megapascals, so that the delayed and pressed rubber is extruded and flatly attached to the inner wall position of the gum dipping box, then the styrene-butadiene emulsion copolymer glue solution is poured into the gum dipping box, the pouring depth of the styrene-butadiene emulsion copolymer glue solution needs to overflow the upper surface of the delayed and pressed rubber, the gum dipping time is 50 minutes, and a gum dipping rubber finished product can be manufactured when the waiting time is up;
step eight, during tabletting, the gum dipping rubber finished product is put into a four-roller tablet press, rubber is supplied between an upper roller and a middle roller during tabletting on the four-roller tablet press, rubber sheets are discharged between the middle roller and a lower roller, whether the rubber sheets have accumulated rubber and bubbles or not is checked in real time by adopting vision sensors, the number of the vision sensors is three, the three vision sensors are sequentially and equidistantly arranged and distributed on the side surface of the middle roller from bottom to top, if a standing horse is compared with an image database, an alarm can be sent to an operator, the problem is solved within 10 minutes, and then the profiling roller is used for rolling out the shape grains with the specified shape on the tabletting rubber to prepare rubber strips;
and step nine, during profiling, heating the positioning die to 180 ℃, putting the rubber strip into the positioning die, and along with rolling of the positioning die, limiting and extruding the left side and the right side of the rubber strip, so as to ensure that the rubber strip is discharged according to the specified width of 40 cm and the specified thickness of 10 mm, and thus the butyl rubber product can be prepared and finished.
The butyl rubber products in the three groups of examples and the commercial comparative examples were tested to obtain data in the following steps, and the parameters obtained during the testing process were compared with the following table:
in summary, the three embodiments described above, embodiment 2 is more excellent in performance, in which the bonding tension is the largest, the bonding duration is the longest, and the peel strength is the largest, so in embodiment 2, compared with the comparative example on the market, the method has the advantages of removing and peeling impurities in air, fully extruding the whole butyl rubber product to ensure no bubble generation, and finally, the filling depth of the styrene-butadiene emulsion copolymer glue solution needs to overflow the upper surface of the extension rubber, thereby effectively improving the pulling resistance of the butyl rubber product.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A method for producing butyl rubber products by using butyl capsules, which is characterized in that: the method comprises the following specific steps:
when materials are selected, 100-150 parts of butyl capsule reclaimed rubber, 5-15 parts of ethylene-propylene-diene reclaimed rubber, 3-5 parts of zinc oxide, 50-80 parts of carbon fiber powder, 40-60 parts of copper powder, 8-12 parts of talcum powder, 20-30 parts of vulcanizing agent, 1-1.8 parts of reinforcing agent and 160-170 parts of styrene-butadiene emulsion copolymer glue solution;
secondly, during crushing, the butyl capsule reclaimed rubber and the ethylene-propylene-diene reclaimed rubber are put into a crusher, the crusher is kept at a constant speed of 50-60 revolutions per minute, the inside of the crusher is heated to 50-80 ℃ for 5-10 minutes, crushed materials are screened through a screen, and the screened materials are contained in a storage box;
step three, pouring the materials into a mixer during mixing, stirring the mixer at the speed of 50-60 revolutions per minute, determining whether the materials are sufficiently mixed by 3-5 workers at the same time when the mixer is opened each time, and stopping the operation of the mixer when 3-5 operators consider that the materials are sufficiently mixed to obtain a mixture A;
pouring the mixture A into a vulcanizing machine during vulcanization, mixing zinc oxide, carbon fiber powder, talcum powder, vulcanizing agent and reinforcing agent into the vulcanizing machine, filling high-temperature and high-pressure steam into the vulcanizing machine through pressurization, filling the steam at 180-220 ℃ and 4-10 MPa for 5-10 minutes, switching nitrogen into the mixture A, closing the whole helium inlet, and preserving heat and pressure for 10-20 minutes at 100-120 ℃ and 5-10 MPa to prepare the vulcanized mixture A;
step five, when water is kept, the vulcanized mixture A is placed in a dryer, the external water content of the vulcanized mixture A is about 7-12%, the internal water content of the vulcanized mixture A can reach about 10-12%, and the vulcanized mixture A is ensured to have enough adhesive force;
step six, carrying out delay pressing, namely placing the vulcanized mixture A into a delay press for rough smelting, adopting a smaller roll spacing of 8-12 mm and a lower silver cylinder temperature of 40-50 ℃ to carry out thin pass for 5-8 times, conveying the rough-smelted vulcanized mixture A to a fine smelting position, adopting the silver cylinder temperature of 60-70 ℃ and the roll spacing of 5-6 mm, and carrying out rolling for 5-10 times to obtain the delay pressing rubber;
step seven, during gum dipping, the delayed and pressed rubber is placed into a gum dipping box, the upper surface of the delayed and pressed rubber is extruded by a flatting machine at 5-6 megaPa, so that the delayed and pressed rubber is extruded and flatly attached to the inner wall position of the gum dipping box, then the styrene-butadiene emulsion copolymer glue solution is poured into the gum dipping box, the pouring depth of the styrene-butadiene emulsion copolymer glue solution needs to overflow the upper surface of the delayed and pressed rubber, the gum dipping is carried out for 30-50 minutes, and a gum dipping rubber finished product can be prepared when the waiting time is reached;
step eight, during tabletting, the gum dipping rubber finished product is put into a four-roller tablet press, gum is supplied between an upper roller and a middle roller during tabletting on the four-roller tablet press, a film is discharged between the middle roller and a lower roller, a visual sensor is adopted to check whether the film has the problems of gum accumulation, bubbles and the like in real time, if the comparison between a vertical horse and an image database occurs, an alarm can be sent to an operator, the problem is solved within 5-10 minutes, and then a profiling roller is used for rolling out the shape grains with the specified shape on the tabletting rubber to prepare a rubber strip;
and step nine, heating the positioning die to 150-180 ℃ during profiling, putting the rubber strip into the positioning die, and along with rolling of the positioning die, limiting and extruding the left side and the right side of the rubber strip, so as to ensure that the rubber strip is discharged according to the specified width of 20-40 cm and the specified thickness of 5-10 mm, thereby preparing the finished butyl rubber product.
2. The method for producing butyl rubber products by using butyl capsules according to claim 1, wherein: in the step II, the butyl capsule reclaimed rubber and the ethylene propylene diene monomer are required to be uniformly dried for 5-10 minutes at 70-90 ℃ in a drying chamber before being crushed, and the middle butyl capsule reclaimed rubber and the ethylene propylene diene monomer reclaimed rubber are required to be turned over every 1 minute.
3. The method for producing butyl rubber products by using butyl capsules according to claim 1, wherein: and in the second step, the crushing time is 5-6 minutes, and the speed of the crusher is increased to 80-100 revolutions per minute after five minutes are finished.
4. The method for producing butyl rubber products by using butyl capsules according to claim 1, wherein: in the second step, the diameter of the mesh opening of the screen is 5-10 mm, and the inner wall of the mesh opening is polished by polishing powder.
5. The method for producing butyl rubber products by using butyl capsules according to claim 1, wherein: in the third step, an operator needs to turn on the mixer for checking every three minutes in the mixing process, and the checking time is not less than 2-5 minutes.
6. The method for producing butyl rubber products by using butyl capsules according to claim 1, wherein: in the fourth step, the initial temperature of helium gas input is required to be kept at 80-100 ℃, and the helium gas is uniformly filled into a vulcanizing machine from bottom to top.
7. The method for producing butyl rubber products by using butyl capsules according to claim 1, wherein: and in the fifth step, drying is carried out by adopting microwave drying at 50-60 ℃ for 10-15 minutes, and the moisture content of the vulcanized mixture A is detected by a moisture instrument every 1 minute.
8. The method for producing butyl rubber products by using butyl capsules according to claim 1, wherein: the vulcanizing agent is prepared by mixing sulfur monochloride with magnesium oxide, pentaerythritol and dipentamethylenethiuram Tetrasulfide (TRA).
9. The method for producing butyl rubber products by using butyl capsules according to claim 1, wherein: the reinforcing agent is made of chlorinated polyethylene, and the chlorinated polyethylene is a high polymer material prepared by the chlorination substitution reaction of high-density polyethylene.
10. The method for producing butyl rubber products by using butyl capsules according to claim 1, wherein: in the eighth step, the number of the visual sensors is three, and the three visual sensors are sequentially and equidistantly arranged and distributed on the side surface of one roller from bottom to top.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116852595A (en) * | 2023-09-01 | 2023-10-10 | 山西宏辉新材料科技有限公司 | Anti-blocking rubber continuous conveying device |
| CN116852595B (en) * | 2023-09-01 | 2023-11-10 | 山西宏辉新材料科技有限公司 | Anti-blocking rubber continuous conveying device |
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