CN110330701A - A kind of refining glue formula and processing technology using vulcanizing agent - Google Patents
A kind of refining glue formula and processing technology using vulcanizing agent Download PDFInfo
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- CN110330701A CN110330701A CN201910648396.3A CN201910648396A CN110330701A CN 110330701 A CN110330701 A CN 110330701A CN 201910648396 A CN201910648396 A CN 201910648396A CN 110330701 A CN110330701 A CN 110330701A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
- B29B7/20—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
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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
- C08L7/00—Compositions of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of refining glue formula and processing technologies using vulcanizing agent, belong to refining glue field, which is mixed with by the raw material of following parts by weight: 100 parts of raw rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, 15 parts of vulcanizing agent.The present invention significantly extends the time of scorch of sizing material, reduces Men Shi viscosity, and the tensile strength of rubber has obtained significant optimization, and the storage property of sizing material has also obtained further improvement, convenient transportation and processing；Various raw materials can be enable to be sufficiently mixed, be further improved the various performances of sizing material.
Description
Technical field
The invention belongs to rubber mixing technique fields, are related to a kind of refining glue formula and processing technology using vulcanizing agent.
Background technique
In the processing of rubber, make raw rubber by tough and high using mechanical force, heat, oxygen or some chemical agents of addition
The state of elasticity is changed into soft and rich plastic state, and raw rubber is always processed into the technique with appropriate plasticity by this
Just it is called refining glue.
In existing rubber mixing technique, physical property of the finished product glue in long term storage and transportational process easily changes,
And there are the non-uniform problem of the mixing of various raw materials in production process, the various property for the rubber for causing the auxiliary material of addition to produce
It can Shortcomings.
Summary of the invention
It is an object of the invention to: a kind of refining glue formula and processing technology using vulcanizing agent is provided, is solved above-mentioned
The problem of being mentioned in background technique.
The technical solution adopted by the invention is as follows:
A kind of refining glue formula using vulcanizing agent, is mixed with: raw rubber 100 by the raw material of following parts by weight
Part, 5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, paraffin oil 110
Part, 15 parts of vulcanizing agent.
In existing rubber mixing technique, physical property of the finished product glue in long term storage and transportational process easily changes,
And there are the non-uniform problem of the mixing of various raw materials in production process, the various property for the rubber for causing the auxiliary material of addition to produce
It can Shortcomings.A kind of refining glue formula using vulcanizing agent of the present invention:
Zinc oxide is vulcanization accelerator additive, can be improved the curing efficiency of rubber.
Stearic acid plays the role of in rubber mixing technique: activating agent is played first is that reacting with zinc oxide and generating zinc stearate, second is that
Play softening agent.
RL-20 is that polarity flows dispersing agent；Improve lubricity inside mixed raw material and external, thus improve mobility and
Release property.Improve the dispersibility between various raw materials, reduce variability, improves stability.
PEG-4000 is poly- diethanol, is played the role of in rubber mixing technique: first is that processing aid, improves the extrusion speed of sizing material
Degree improves release property, plays lubricating action, keeps rubber product surface more smooth；Second is that neutralizing the acidity of various raw materials, accelerate vulcanization
Speed and crosslink density have good water solubility, can mix with plurality of raw materials.
Carbon black uses N550 model, can reduce the shrinking percentage and thermal expansion coefficient of rubber.
Vulcanizing agent is used for the vulcanization reaction of rubber, forms stereoeffect, bullet with higher after vulcanization in raw rubber
Property, heat resistance, tensile strength and indissolubility in organic solvent.
Further, the vulcanizing agent is prepared by following raw material in parts by weight: 3 parts of sulphur, 4 parts of EG-5, dehumidifying
8 parts of defoaming agent.
Sulphur is vulcanization raw material, and vulcanization can make linear macromolecular structure become bodily form macromolecular structure.Because sulphur can be with
It is connected in the form of covalent bond among two macromolecular chains, so that it becomes T shape, enhances the performance of rubber.After vulcanization in raw rubber
Form stereoeffect, elasticity with higher, heat resistance, tensile strength and indissolubility in organic solvent.
EG-5 is vulcanization accelerator, can promote the substance of sulfurization.Vulcanization time can be shortened, curing temperature is reduced, subtract
Few vulcanizing agent dosage and the physical mechanical property etc. for improving rubber.
Moisture removing foam eliminating agent is used as compounding agent, absorbs rubber product filler, vulcanizing agent, promotion used in process of production
The moisture content that agent, foaming agent etc. are brought into, makes pore-free inside rubber product, section uniformly, fine and close, surface smooth and beautiful appearance.
A kind of refining glue production technology using vulcanizing agent, including the following steps successively carried out:
S1: 100 parts of addition mixers of raw rubber according to parts by weight are kneaded, and are risen to 65 DEG C to temperature, are added
5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, to
Temperature discharges after rising to 110 DEG C, obtains one section of masterbatch；
S2: one section of masterbatch in step S1 tabletting and is parked on a mill, is cooled to room temperature；
S3: one section of masterbatch after being cooled to room temperature in step S2 carries out back mixing in mixer, rises to 130 to temperature
DEG C~135 DEG C after discharge, obtain two sections of masterbatch；
S4: two sections of masterbatch in step S3 tabletting and are parked on a mill, are cooled to room temperature；
S5: two sections of masterbatch after being cooled to room temperature in step S4 and 15 parts of additions of vulcanizing agent according to parts by weight are close
Mill is kneaded, and is kneaded 15~20MPa of pressure, is discharged after temperature rises to 65 DEG C, and vulcanization refining glue is obtained；
S6: the vulcanization refining glue in step S5 tabletting and is parked on a mill, is cooled to room temperature, finished product refining glue.
Further, the mixer includes sequentially connected driving motor, reduction gearbox, shaft coupling and banburying chamber, institute
It states and is provided with feeding device, device for discharging and heating steam transmitting pipe road in banburying chamber, rotor there are two settings in the banburying chamber, two
The rotation axis of a rotor is parallel to each other, and the rotor includes roll shaft, and the both ends of the roll shaft are respectively with setting in banburying chamber
Bearing rotary connection；Propellers piece is provided with outside the roll shaft, the propellers on piece is provided with several auxiliary mixed blocks,
The auxiliary mixed block is connect by spring with the edge of propellers piece, is evenly arranged with protrusion in the auxiliary mixed block.
The top of banburying chamber, which is provided with, is controlled by cylinder floating weight, and the lower part of banburying chamber is provided with by HYDRAULIC CONTROL SYSTEM
Steam or cooling water can be added in lower top bolt, the wall chamber of banburying chamber and the cavity that top bolt is collectively formed up and down, according to processing need
Banburying chamber is heated and cooled down.The indoor rotor of mixing is kneaded material, the both ends of rotor and is mounted on mixing
Two side shaft holder of room is rotatably assorted, and two end faces encrypt seal apparatus, prevents powder-material from leaking.Starting mixing is provided on rotor
Machine drives the indoor rotor of mixing to start to work by driving motor by reduction gearbox and shaft coupling, and rotor starts to rotate.It is feeding
Material is added at device, material enters in banburying chamber.Several auxiliary mixed blocks being arranged on rotor, auxiliary mixed block pass through bullet
The connection of the propellers piece of spring and rotor.Two rotor coupling operationals, when two rotors cooperate extruding stirring material jointly, auxiliary
Mixed block is extruded simultaneously, and spring is compressed, and spring has restoring force, while mixed block being assisted to carry out mixing extruding to material,
It is provided with protrusion on it, the contact area with material, while extruding mixture material can be further increased, mix material uniformly
It closes.After material is kneaded plasticizing in banburying chamber, it is discharged by the device for discharging of bottom.Melting efficiency is improved using the present apparatus, is made
The vulcanization of rubber is more abundant, keeps the performance of rubber more preferable.
Further, rotor speed and fill factor are kept constant in the mixer mixing process, respectively 70rpm and
0.75。
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. a kind of refining glue formula using vulcanizing agent of the present invention, by the way that vulcanizing agent is added, when significantly extending the incipient scorch of sizing material
Between, Men Shi viscosity is reduced, the tensile strength of rubber has obtained significant optimization, and the storage property of sizing material has also obtained further changing
Into convenient transportation and processing.
2. a kind of refining glue production technology using vulcanizing agent of the present invention, has the mixer of auxiliary mixed block by being arranged,
Compared with existing mixer, various raw materials can be enable to be sufficiently mixed, be further improved the various performances of sizing material.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings, in which:
Fig. 1 is a kind of overall structure diagram of mixer；
Fig. 2 is the overall structure diagram of banburying chamber；
Fig. 3 is the structural schematic diagram of rotor；
Fig. 4 is the enlarged diagram of part A in Fig. 3.
Marked in the figure: 1- driving motor, 2- reduction gearbox, 3- shaft coupling, 4- banburying chamber, 401- feeding device, 402- discharging
Device, 403- heat steam transmitting pipe road, 5- rotor, 501- roll shaft, 502- propellers piece, 503- auxiliary mixed block, 504- spring,
Bolt is pushed up under 6- floating weight, 7-.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Therefore, the detailed description of the embodiment of the present invention presented below is not intended to limit claimed invention
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
Feature and performance of the invention are described in further detail below with reference to embodiment.
Embodiment one
A kind of refining glue formula using vulcanizing agent that present pre-ferred embodiments provide, is mixed by the raw material of following parts by weight
Conjunction is prepared: 100 parts of raw rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, black
20 parts of ointment, 110 parts of paraffin oil, 15 parts of vulcanizing agent.
The vulcanizing agent is prepared by following raw material in parts by weight: 3 parts of sulphur, 4 parts of EG-5, moisture removing foam eliminating agent 8
Part.
In existing rubber mixing technique, physical property of the finished product glue in long term storage and transportational process easily changes,
And there are the non-uniform problem of the mixing of various raw materials in production process, the various property for the rubber for causing the auxiliary material of addition to produce
It can Shortcomings.A kind of refining glue formula using vulcanizing agent of the present invention:
Zinc oxide is vulcanization accelerator additive, can be improved the curing efficiency of rubber.
Stearic acid plays the role of in rubber mixing technique: activating agent is played first is that reacting with zinc oxide and generating zinc stearate, second is that
Play softening agent.
RL-20 is that polarity flows dispersing agent；Improve lubricity inside mixed raw material and external, thus improve mobility and
Release property.Improve the dispersibility between various raw materials, reduce variability, improves stability.
PEG-4000 is poly- diethanol, is played the role of in rubber mixing technique: first is that processing aid, improves the extrusion speed of sizing material
Degree improves release property, plays lubricating action, keeps rubber product surface more smooth；Second is that neutralizing the acidity of various raw materials, accelerate vulcanization
Speed and crosslink density have good water solubility, can mix with plurality of raw materials.
Carbon black uses N550 model, can reduce the shrinking percentage and thermal expansion coefficient of rubber.
Vulcanizing agent is used for the vulcanization reaction of rubber, forms stereoeffect, bullet with higher after vulcanization in raw rubber
Property, heat resistance, tensile strength and indissolubility in organic solvent.
Further, the vulcanizing agent is prepared by following raw material in parts by weight: 3 parts of sulphur, 4 parts of EG-5, dehumidifying
8 parts of defoaming agent.
Sulphur is vulcanization raw material, and vulcanization can make linear macromolecular structure become bodily form macromolecular structure.Because sulphur can be with
It is connected in the form of covalent bond among two macromolecular chains, so that it becomes T shape, enhances the performance of rubber.After vulcanization in raw rubber
Form stereoeffect, elasticity with higher, heat resistance, tensile strength and indissolubility in organic solvent.
EG-5 is vulcanization accelerator, can promote the substance of sulfurization.Vulcanization time can be shortened, curing temperature is reduced, subtract
Few vulcanizing agent dosage and the physical mechanical property etc. for improving rubber.
Moisture removing foam eliminating agent is used as compounding agent, absorbs rubber product filler, vulcanizing agent, promotion used in process of production
The moisture content that agent, foaming agent etc. are brought into, makes pore-free inside rubber product, section uniformly, fine and close, surface smooth and beautiful appearance.
Embodiment two
The present embodiment on the basis of example 1, a kind of refining glue production technology using vulcanizing agent, including successively carry out
Following steps:
S1: 100 parts of addition mixers of raw rubber according to parts by weight are kneaded, and are risen to 65 DEG C to temperature, are added
5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, to
Temperature discharges after rising to 110 DEG C, obtains one section of masterbatch；
S2: one section of masterbatch in step S1 tabletting and is parked on a mill, is cooled to room temperature；
S3: one section of masterbatch after being cooled to room temperature in step S2 carries out back mixing in mixer, rises to 130 to temperature
It discharges after DEG C, obtains two sections of masterbatch；
S4: two sections of masterbatch in step S3 tabletting and are parked on a mill, are cooled to room temperature；
S5: two sections of masterbatch after being cooled to room temperature in step S4 and 15 parts of additions of vulcanizing agent according to parts by weight are close
Mill is kneaded, and is kneaded pressure 15MPa, is discharged after temperature rises to 65 DEG C, and vulcanization refining glue is obtained；
S6: the vulcanization refining glue in step S5 tabletting and is parked on a mill, is cooled to room temperature, finished product refining glue.
The mixer uses SM-50 × 35 × 70 models, and rotor speed and fill factor are protected in mixer mixing process
Hold constant, respectively 70rpm and 0.75.Open mill uses XK-250 model.
Embodiment three
The present embodiment on the basis of example 1, a kind of refining glue production technology using vulcanizing agent, including successively carry out
Following steps:
S1: 100 parts of addition mixers of raw rubber according to parts by weight are kneaded, and are risen to 65 DEG C to temperature, are added
5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, to
Temperature discharges after rising to 110 DEG C, obtains one section of masterbatch；
S2: one section of masterbatch in step S1 tabletting and is parked on a mill, is cooled to room temperature；
S3: one section of masterbatch after being cooled to room temperature in step S2 carries out back mixing in mixer, rises to 135 to temperature
It discharges after DEG C, obtains two sections of masterbatch；
S4: two sections of masterbatch in step S3 tabletting and are parked on a mill, are cooled to room temperature；
S5: two sections of masterbatch after being cooled to room temperature in step S4 and 15 parts of additions of vulcanizing agent according to parts by weight are close
Mill is kneaded, and is kneaded pressure 15MPa, is discharged after temperature rises to 65 DEG C, and vulcanization refining glue is obtained；
S6: the vulcanization refining glue in step S5 tabletting and is parked on a mill, is cooled to room temperature, finished product refining glue.
The mixer uses SM-50 × 35 × 70 models, and rotor speed and fill factor are protected in mixer mixing process
Hold constant, respectively 70rpm and 0.75.Open mill uses XK-250 model.
Example IV
The present embodiment on the basis of example 1, a kind of refining glue production technology using vulcanizing agent, including successively carry out
Following steps:
S1: 100 parts of addition mixers of raw rubber according to parts by weight are kneaded, and are risen to 65 DEG C to temperature, are added
5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, to
Temperature discharges after rising to 110 DEG C, obtains one section of masterbatch；
S2: one section of masterbatch in step S1 tabletting and is parked on a mill, is cooled to room temperature；
S3: one section of masterbatch after being cooled to room temperature in step S2 carries out back mixing in mixer, rises to 135 to temperature
It discharges after DEG C, obtains two sections of masterbatch；
S4: two sections of masterbatch in step S3 tabletting and are parked on a mill, are cooled to room temperature；
S5: two sections of masterbatch after being cooled to room temperature in step S4 and 15 parts of additions of vulcanizing agent according to parts by weight are close
Mill is kneaded, and is kneaded pressure 20MPa, is discharged after temperature rises to 65 DEG C, and vulcanization refining glue is obtained；
S6: the vulcanization refining glue in step S5 tabletting and is parked on a mill, is cooled to room temperature, finished product refining glue.
The mixer uses SM-50 × 35 × 70 models, and rotor speed and fill factor are protected in mixer mixing process
Hold constant, respectively 70rpm and 0.75.Open mill uses XK-250 model.
Embodiment five
The present embodiment on the basis of example 1, a kind of refining glue production technology using vulcanizing agent, including successively carry out
Following steps:
S1: 100 parts of addition mixers of raw rubber according to parts by weight are kneaded, and are risen to 65 DEG C to temperature, are added
5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, to
Temperature discharges after rising to 110 DEG C, obtains one section of masterbatch；
S2: one section of masterbatch in step S1 tabletting and is parked on a mill, is cooled to room temperature；
S3: one section of masterbatch after being cooled to room temperature in step S2 carries out back mixing in mixer, rises to 130 to temperature
It discharges after DEG C, obtains two sections of masterbatch；
S4: two sections of masterbatch in step S3 tabletting and are parked on a mill, are cooled to room temperature；
S5: two sections of masterbatch after being cooled to room temperature in step S4 and 15 parts of additions of vulcanizing agent according to parts by weight are close
Mill is kneaded, and is kneaded pressure 15MPa, is discharged after temperature rises to 65 DEG C, and vulcanization refining glue is obtained；
S6: the vulcanization refining glue in step S5 tabletting and is parked on a mill, is cooled to room temperature, finished product refining glue.
The mixer includes sequentially connected driving motor 1, reduction gearbox 2, shaft coupling 3 and banburying chamber 4, the mixing
Feeding device 401, device for discharging 402 and heating steam transmitting pipe road 403 are provided on room 4, there are two turn for setting in the banburying chamber 4
Son 5, the rotation axis of two rotors 5 is parallel to each other, the rotor 5 include roll shaft 501, the both ends of the roll shaft 501 respectively with
Bearing rotary connection in banburying chamber 4 is set；Propellers piece 502, the propellers piece 502 are provided with outside the roll shaft 501
On be provided with several auxiliary mixed blocks 503, the auxiliary mixed block 503 passes through the edge of spring 504 and propellers piece 502
It connects, is evenly arranged with protrusion in the auxiliary mixed block 503.
Rotor speed and fill factor are kept constant in the mixer mixing process, respectively 70rpm and 0.75.
Open mill uses XK-250 model.
Embodiment six
The present embodiment on the basis of example 1, a kind of refining glue production technology using vulcanizing agent, including successively carry out
Following steps:
S1: 100 parts of addition mixers of raw rubber according to parts by weight are kneaded, and are risen to 65 DEG C to temperature, are added
5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, to
Temperature discharges after rising to 110 DEG C, obtains one section of masterbatch；
S2: one section of masterbatch in step S1 tabletting and is parked on a mill, is cooled to room temperature；
S3: one section of masterbatch after being cooled to room temperature in step S2 carries out back mixing in mixer, rises to 135 to temperature
It discharges after DEG C, obtains two sections of masterbatch；
S4: two sections of masterbatch in step S3 tabletting and are parked on a mill, are cooled to room temperature；
S5: two sections of masterbatch after being cooled to room temperature in step S4 and 15 parts of additions of vulcanizing agent according to parts by weight are close
Mill is kneaded, and is kneaded pressure 15MPa, is discharged after temperature rises to 65 DEG C, and vulcanization refining glue is obtained；
S6: the vulcanization refining glue in step S5 tabletting and is parked on a mill, is cooled to room temperature, finished product refining glue.
The mixer includes sequentially connected driving motor 1, reduction gearbox 2, shaft coupling 3 and banburying chamber 4, the mixing
Feeding device 401, device for discharging 402 and heating steam transmitting pipe road 403 are provided on room 4, there are two turn for setting in the banburying chamber 4
Son 5, the rotation axis of two rotors 5 is parallel to each other, the rotor 5 include roll shaft 501, the both ends of the roll shaft 501 respectively with
Bearing rotary connection in banburying chamber 4 is set；Propellers piece 502, the propellers piece 502 are provided with outside the roll shaft 501
On be provided with several auxiliary mixed blocks 503, the auxiliary mixed block 503 passes through the edge of spring 504 and propellers piece 502
It connects, is evenly arranged with protrusion in the auxiliary mixed block 503.
Rotor speed and fill factor are kept constant in the mixer mixing process, respectively 70rpm and 0.75.
Open mill uses XK-250 model.
Embodiment seven
The present embodiment on the basis of example 1, a kind of refining glue production technology using vulcanizing agent, including successively carry out
Following steps:
S1: 100 parts of addition mixers of raw rubber according to parts by weight are kneaded, and are risen to 65 DEG C to temperature, are added
5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, to
Temperature discharges after rising to 110 DEG C, obtains one section of masterbatch；
S2: one section of masterbatch in step S1 tabletting and is parked on a mill, is cooled to room temperature；
S3: one section of masterbatch after being cooled to room temperature in step S2 carries out back mixing in mixer, rises to 135 to temperature
It discharges after DEG C, obtains two sections of masterbatch；
S4: two sections of masterbatch in step S3 tabletting and are parked on a mill, are cooled to room temperature；
S5: two sections of masterbatch after being cooled to room temperature in step S4 and 15 parts of additions of vulcanizing agent according to parts by weight are close
Mill is kneaded, and is kneaded pressure 20MPa, is discharged after temperature rises to 65 DEG C, and vulcanization refining glue is obtained；
S6: the vulcanization refining glue in step S5 tabletting and is parked on a mill, is cooled to room temperature, finished product refining glue.
The mixer includes sequentially connected driving motor 1, reduction gearbox 2, shaft coupling 3 and banburying chamber 4, the mixing
Feeding device 401, device for discharging 402 and heating steam transmitting pipe road 403 are provided on room 4, there are two turn for setting in the banburying chamber 4
Son 5, the rotation axis of two rotors 5 is parallel to each other, the rotor 5 include roll shaft 501, the both ends of the roll shaft 501 respectively with
Bearing rotary connection in banburying chamber 4 is set；Propellers piece 502, the propellers piece 502 are provided with outside the roll shaft 501
On be provided with several auxiliary mixed blocks 503, the auxiliary mixed block 503 passes through the edge of spring 504 and propellers piece 502
It connects, is evenly arranged with protrusion in the auxiliary mixed block 503.
Rotor speed and fill factor are kept constant in the mixer mixing process, respectively 70rpm and 0.75.
Open mill uses XK-250 model.
Influence of the production technology parameters of the present invention to refining glue performance:
Finished product obtained in embodiment two, embodiment three, example IV, embodiment five, embodiment six, embodiment seven is refined
Glue is denoted as A, B, C, D, E, F respectively.
Meanwhile one group of control group is set, be free of vulcanizing agent.Its formula is as follows:
It is mixed with by the raw material of following parts by weight: 100 parts of raw rubber, 5 parts of zinc oxide, 2 parts of stearic acid, RL-
20 2 parts, 4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil.
Production technology includes the following steps successively carried out:
S1: 100 parts of addition mixers of raw rubber according to parts by weight are kneaded, and are risen to 65 DEG C to temperature, are added
5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, to
Temperature discharges after rising to 110 DEG C, obtains one section of masterbatch；
S2: one section of masterbatch in step S1 tabletting and is parked on a mill, is cooled to room temperature；
S3: one section of masterbatch after being cooled to room temperature in step S2 carries out back mixing in mixer, rises to 130 to temperature
It discharges after DEG C, obtains two sections of masterbatch；
S4: two sections of masterbatch in step S3 tabletting and are parked on a mill, are cooled to room temperature；
S5: two sections of masterbatch after being cooled to room temperature in step S4 are added mixer and carry out anti-refining three times, are kneaded pressure
15MPa discharges after temperature rises to 65 DEG C, obtains preliminary finished product refining glue；
S6: the preliminary finished product refining glue in step S5 tabletting and being parked on a mill, is cooled to room temperature, finished product refining
Glue.
The mixer uses SM-50 × 35 × 70 models, and rotor speed and fill factor are protected in mixer mixing process
Hold constant, respectively 70rpm and 0.75.Open mill uses XK-250 model.
The finished product refining glue of control group is denoted as G.
The finished product refining glue of A, B, C, D, E, F, G are tested for the property, performance comparison such as table 1.
1 performance comparison table of table
Found out according to table 1, in rubber mixing technique, the melting temperature of one section of masterbatch is 130 DEG C, the mixing of two sections of masterbatch
Pressure is 20Mpa, and sizing material comprehensive physical performance is best.
Compared with not adding vulcanizing agent calendering process, when can significantly extend the incipient scorch of sizing material after present invention addition vulcanizing agent
Between, Men Shi viscosity is reduced, the tensile strength of rubber has obtained significant optimization, and the storage property of sizing material has also obtained further changing
Into convenient transportation and processing.
Compared with using existing mixer, sizing material through the invention in mixer, various raw materials can be made to be sufficiently mixed,
Improve the various performances of sizing material.
The foregoing is merely illustrative of the preferred embodiments of the present invention, the protection scope being not intended to limit the invention, any
Those skilled in the art within the spirit and principles in the present invention made by any modifications, equivalent replacements, and improvements etc.,
It should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of refining glue formula using vulcanizing agent, it is characterised in that: be mixed with by the raw material of following parts by weight: raw
80~100 parts of rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute,
110 parts of paraffin oil, 15 parts of vulcanizing agent.
2. a kind of refining glue formula using vulcanizing agent according to claim 1, it is characterised in that: the vulcanizing agent is by following
The raw material of parts by weight is prepared: 3 parts of sulphur, 4 parts of EG-5,8 parts of moisture removing foam eliminating agent.
3. a kind of refining glue production technology using vulcanizing agent according to claim 1, it is characterised in that: including successively carrying out
Following steps:
S1: 100 parts of addition mixers of raw rubber according to parts by weight are kneaded, and rise to 65 DEG C to temperature, oxidation is added
5 parts of zinc, 2 parts of stearic acid, 2 parts of RL-20,4 parts of PEG-4000,4 parts of carbon black, 20 parts of dark substitute, 110 parts of paraffin oil, to temperature
It discharges after rising to 110 DEG C, obtains one section of masterbatch；
S2: one section of masterbatch in step S1 tabletting and is parked on a mill, is cooled to room temperature；
S3: one section of masterbatch after being cooled to room temperature in step S2 carries out back mixing in mixer, to temperature rise to 130 DEG C~
It discharges after 135 DEG C, obtains two sections of masterbatch；
S4: two sections of masterbatch in step S3 tabletting and are parked on a mill, are cooled to room temperature；
S5: 15 parts of addition mixers of two sections of masterbatch after being cooled to room temperature in step S4 and vulcanizing agent according to parts by weight
It is kneaded, is kneaded 15~20MPa of pressure, discharges after temperature rises to 65 DEG C, obtain vulcanization refining glue；
S6: the vulcanization refining glue in step S5 tabletting and is parked on a mill, is cooled to room temperature, finished product refining glue.
4. a kind of production technology using vulcanizing agent according to claim 3, it is characterised in that: the mixer include according to
Driving motor (1), reduction gearbox (2), shaft coupling (3) and the banburying chamber (4) of secondary connection, be provided on the banburying chamber (4) into
Expect device (401), device for discharging (402) and heating steam transmitting pipe road (403), there are two rotors for setting in the banburying chamber (4)
(5), the rotation axis of two rotors (5) is parallel to each other, and the rotor (5) includes roll shaft (501), and the two of the roll shaft (501)
End is connect with the bearing rotary being arranged in banburying chamber (4) respectively；Propellers piece (502), institute are provided with outside the roll shaft (501)
It states and is provided with several auxiliary mixed block (503) on propellers piece (502), the auxiliary mixed block (503) passes through spring (504)
It is connect with the edge of propellers piece (502), is evenly arranged with protrusion on the auxiliary mixed block (503).
5. a kind of production technology using vulcanizing agent according to claim 3, it is characterised in that: the mixer mixing mistake
Rotor speed and fill factor are kept constant in journey, respectively 70rpm and 0.75.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114274393A (en) * | 2021-12-27 | 2022-04-05 | 苏州国泰科技发展有限公司 | Automatic rubber mixing process of internal mixer |
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Application publication date: 20191015 |