CN110452427A - A kind of architectural vibration-insulation rubber supporting seat sizing material and preparation method thereof - Google Patents
A kind of architectural vibration-insulation rubber supporting seat sizing material and preparation method thereof Download PDFInfo
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- CN110452427A CN110452427A CN201910828958.2A CN201910828958A CN110452427A CN 110452427 A CN110452427 A CN 110452427A CN 201910828958 A CN201910828958 A CN 201910828958A CN 110452427 A CN110452427 A CN 110452427A
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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
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- 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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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of architectural vibration-insulation rubber supporting seat sizing materials and preparation method thereof, wherein sizing compound formula by weight, including the following raw material: 100 parts of natural rubber, 4-6 parts of zinc oxide, 2-3 parts of stearic acid, 1-2 parts of microwax, flowing antiflatulent 1-2 parts, 4.5-5 parts of anti-aging agent, 1-2 parts of promotor, 1.1-1.3 parts of vulcanizing agent, 1-2 parts of sulphur, 9-10 parts of N774 carbon black, 20-25 parts of machine oil, 6.5-7 parts of liquid nitrile rubber；Then above-mentioned formula is by plasticating, being kneaded and sulfidation finished product；Then the present invention is adjusted the proportion of other components by the way that partially liq nitrile rubber is added in natural rubber, can increase bonding (removing) intensity between rubber and steel plate；Improve architectural vibration-insulation support sizing material resilience.
Description
Technical field
The invention belongs to architectural vibration-insulation rubber supporting seat preparation technical fields, and in particular to a kind of architectural vibration-insulation rubber supporting seat use
Sizing material and preparation method thereof.
Background technique
Traditional anti-seismic technology is to link together building superstructure and with being built on the rock, in order to which house lid is obtained
It is more solid, it is just poured with thicker reinforcing bar, more concrete, but anti seismic efficiency in this way is unsatisfactory.Shock isolating pedestal is upper
Increase Seismic Isolation of Isolation Layer between portion's structure and ground, rubber earthquake isolation support is installed, plays the role of being flexible coupling with ground, in this way
Technology can fall the energy offset of earthquake 80% or so.Rubber earthquake isolation support is one of shock isolating pedestal, by composite steel
Plate is superimposed with rubber, and put more energy into material of the steel plate as rubber support changes the lesser spy of rubber bodies vertical rigidity
Point can reduce it by horizontal earthquake action and bear larger vertical load.
Currently, softening agent generally uses machinery oil either naphthenic oil, dosage 20 in the formula of architectural vibration-insulation support sizing material
Part~40 parts, since softening agent dosage is big, park for a long time or use process in be particularly easy to ooze out, currently, existing rubber
Defect existing for shock isolating pedestal has: 1, the peel strength between rubber and steel plate is lower, generally in 7~9N/mm；2, support makes
With with " behave excellently " that serious (" behaving excellently " refers to softening agent or other anti-aging agents since the amount of addition is excessive, is more than in rubber during storage
Solubility in glue and be ejected in rubber article, the cloud of formation), to influence the appearance matter of architectural vibration-insulation support
Amount；3, architectural vibration-insulation support resilience is poor, and performance is exactly that architectural vibration-insulation support is being sheared (rubber layer overall thickness by big displacement
350%~400%) after, support side easily occur drum it is convex, formed permanent deformation, influence whether architectural vibration-insulation support and shock insulation
The service life of building.
Summary of the invention
One of the objects of the present invention is to provide a kind of architectural vibration-insulation rubber supporting seat sizing materials, and the sizing material of the formula can be very
Good solves the problems, such as " behaving excellently ", improves the processing performance of rubber.
The second object of the present invention is to provide a kind of architectural vibration-insulation rubber supporting seat sizing material preparation method.
To reach above-mentioned technical purpose, The technical solution adopted by the invention is as follows:
Technical solution one:
A kind of architectural vibration-insulation rubber supporting seat sizing material, by weight, including the following raw material: 100 parts of natural rubber, oxidation
4-6 parts of zinc, 2-3 parts of stearic acid, 1-2 parts of microwax, flowing antiflatulent 1-2 parts, 4.5-5 parts of anti-aging agent, 1-2 parts of promotor, sulphur
1.1-1.3 parts of agent, 1-2 parts of sulphur, 9-10 parts of N774 carbon black, 20-25 parts of machine oil, 6.5-7 parts of liquid nitrile rubber.
As a further improvement of the present invention, the flowing antiflatulent is flowing antiflatulent CH236.
As a further improvement of the present invention, the anti-aging agent is the compound of 4010NA, anti-aging agent RD and antioxidant d.
As a further improvement of the present invention, the anti-aging agent is 4010NA, anti-aging agent RD and antioxidant d according to 2:
The compound of the mass ratio compounding of 1.5:1.
As a further improvement of the present invention, the vulcanizing agent is that vulcanizing agent DTDM and vulcanizing agent PDM compounds product.
As a further improvement of the present invention, the mass ratio of the vulcanizing agent DTDM and vulcanizing agent PDM is 8:3-5.
Technical solution two:
A kind of preparation method of architectural vibration-insulation rubber supporting seat sizing material, includes the following steps:
(1) plasticate: natural rubber is put into mixer and is plasticated, in 125~135 DEG C of temperature of temperature by starting mixer
Plasticate 3~4min under the conditions of degree, starts discharge, and cooling 15~20h is parked after discharge；
(2) load weighted liquid nitrile rubber is preheated to 3~4h under the conditions of 80 DEG C；Warm can increase liquid fourth
The molecular activity of nitrile rubber is conducive to dissolving each other for liquid nitrile rubber molecule and natural rubber molecule；
(3) be kneaded one section: above-mentioned broken-down rubber after cooling is added in mixer, add load weighted zinc oxide,
Stearic acid, microwax, flowing antiflatulent, anti-aging agent, sulphur, are kneaded 1min, carbon black N774 are then added, be kneaded 2~3min, add
Enter and be kneaded by the liquid nitrile rubber of preheating, is kneaded 1 minute, machine oil is added and is kneaded；When temperature reaches 120 DEG C
Start discharge, open mill bottom sheet parks 8~16h after cooling line is cooling；
(4) two sections are kneaded: by one section of glue investment open mill of above-mentioned mixing, promotor and vulcanizing agent is added, in roller temperature 45-
Under the conditions of 55 DEG C after thin logical 5~7 times to get.
Compared with prior art, the present invention has the following technical effect that
Rubber compound or rubber article occur in parking period the phenomenon that different colours (general coloured silk) be behave excellently, behave excellently
Essence be molecular migration inside sizing material with chromophore to surface and be attached to the result on surface.Containing such as carbon carbon in molecule
Double bond, carbonyl, azo group, nitroso, the substance of the groups such as-C=S, absorb the light of certain wavelength, without absorbing other wavelength
Light, sunlight irradiation back reflection light show different colours.Therefore these groups are known as " chromophoric group/chromophore ".When containing
When one or more material transports of chromophoric group are to sizing material surface, sizing material surface just has one or more colors, to go out
Phenomenon of behaving excellently is showed.These have small molecule volatile matter and phase of most of the molecule of chromophore in raw rubber and compounding agent
The intermediate product of mutual reactance or the small molecule volatile matter in release agent, have preferable compatibility with sizing material, in process by
It migrates in heated volatilization to sizing material surface, and dissolves each other in rubber or adsorbed by rubber surface.
The possible reason that causes to behave excellently has following several respects:
(1) residual monomer or filling oil in raw rubber；
(2) volatile matter of carbon blacksurface absorption；
(3) polycyclic aromatic hydrocarbon in liquid plasticizer；
(4) containing carboxyl, heterocycle, azo, nitrine ingredient compounding agent；
(5) ingredient nitrogenous in sizing material or auxiliary agent aoxidize at high temperature, form nitroso compound；
(6) rubber molecular chain aoxidizes form carbonyls at high temperature；
(7) aromatic esters in release agent or type surfactant ingredient；
(8) migration of amines antioxidants sprays in sizing material.
It all may cause phenomenon of behaving excellently due to various, phenomenon of behaving excellently is in rubber size preparation process
More scabrous problem.And problem of behaving excellently also is easy to cause the reduction of other performances of rubber.The present invention passes through in natural rubber
Partially liq nitrile rubber is added in glue, then the proportion of other components is adjusted, can be increased between rubber and steel plate
Bonding (removing) intensity；Improve the processing performance of architectural vibration-insulation support natural rubber, liquid nitrile rubber can be with when vulcanization
Rubber molecule generates combination, so as to prevent the migration of rubber chemicals, volatilize and be extracted；Improve architectural vibration-insulation support
Sizing material resilience.This is because this two there is two microcosmic glue phases after natural rubber and liquid nitrile rubber are mutually fused
A glue can mutually be promoted agent and vulcanizing agent co-vulcanization: first is that the glue phase curingprocess rate of both rubber is synchronous；Second is that being used in combination
Co-crosslinking can be generated between each glue phase interface of rubber, firmly locked together in the form of sulphide bond, limit compounding agent and its
The migration of his volatile molecule.This is characteristic not available for other softening plasticizer.
Detailed description of the invention
Attached drawing 1 is that sizing material prepared by the embodiment of the present invention 1 is bonded (removing) intensity detection figure；
Attached drawing 2 is that the sizing material of comparative example 1 of the present invention preparation is bonded (removing) intensity detection figure；
Attached drawing 3 is sizing material appearance quality detection figure prepared by the embodiment of the present invention 1；
Attached drawing 4 is the sizing material appearance quality detection figure of comparative example 1 of the present invention preparation；
Attached drawing 5 is the architectural vibration-insulation support resilience detection figure being prepared by the sizing material of the embodiment of the present invention 1；
Attached drawing 6 is the architectural vibration-insulation support resilience detection figure that the sizing material of comparative example 1 of the present invention is prepared.
Specific embodiment
It should be understood that it is to describe special embodiment that heretofore described term, which is only, it is not intended to limit this hair
It is bright.In addition, for the numberical range in the present invention, it is thus understood that it is also specifically disclosed that between the upper limit value and lower limit value of the range
Each median.Median and any other statement value in any statement value or stated ranges or in the range
Lesser range is also included in the present invention each of between interior median.These small range of upper limit values and lower limit value can
Independently include or exclude in range.
A kind of architectural vibration-insulation rubber supporting seat sizing material, by weight, including the following raw material: 100 parts of natural rubber, oxidation
4-6 parts of zinc, 2-3 parts of stearic acid, 1-2 parts of microwax, flowing antiflatulent 1-2 parts, 4.5-5 parts of anti-aging agent, 1-2 parts of promotor, sulphur
1.1-1.3 parts of agent, 1-2 parts of sulphur, 9-10 parts of N774 carbon black, 20-25 parts of machine oil, 6.5-7 parts of liquid nitrile rubber.
Preferably, the flowing antiflatulent is flowing antiflatulent CH236.
Preferably, the anti-aging agent is the compound of 4010NA, anti-aging agent RD and antioxidant d.
Preferably, the anti-aging agent is the mass ratio of 4010NA, anti-aging agent RD and antioxidant d according to 2:1.5:1
The compound of example compounding.
Preferably, the vulcanizing agent is that vulcanizing agent DTDM and vulcanizing agent PDM compounds product.
Preferably, the mass ratio of the vulcanizing agent DTDM and vulcanizing agent PDM is 8:3-5.
A kind of preparation method of architectural vibration-insulation rubber supporting seat sizing material, includes the following steps:
(1) plasticate: natural rubber is put into mixer and is plasticated, in 125~135 DEG C of temperature of temperature by starting mixer
Plasticate 3~4min under the conditions of degree, starts discharge, and cooling 15~20h is parked after discharge；
(2) load weighted liquid nitrile rubber is preheated to 3~4h under the conditions of 80 DEG C；Warm can increase liquid fourth
The molecular activity of nitrile rubber is conducive to dissolving each other for liquid nitrile rubber molecule and natural rubber molecule；
(3) be kneaded one section: above-mentioned broken-down rubber after cooling is added in mixer, add load weighted zinc oxide,
Then stearic acid, microwax, flowing antiflatulent, anti-aging agent, sulphur, kneading 1min are added carbon black N774, are kneaded 2~3min, add
Enter (2) liquid nitrile rubber by preheating to be kneaded, be kneaded 1 minute, machine oil is added and is kneaded；When temperature reaches 120
DEG C when start discharge, open mill bottom sheet parks 8~16h after cooling line is cooling.
(4) two sections are kneaded: by one section of glue investment open mill of above-mentioned mixing, promotor and vulcanizing agent is added, in roller temperature 45-
At 55 DEG C after thin logical 5~7 times to get.
In order to better illustrate the present invention, giving numerous details in specific embodiment below.
It will be appreciated by those skilled in the art that without certain details, the present invention equally be can be implemented.In other embodiment
In, method well known to those skilled in the art, means are not described in detail, in order to highlight purport of the invention.About
The measuring method of technical indicator of the invention be in the art using standard method, for details, reference can be made to newest national standard,
Unless otherwise stated.Liquid nitrile rubber used in following embodiment is LN33-1 type liquid nitrile rubber.Remaining component is city
Product is sold, is obtained by commercially available channel.
A kind of architectural vibration-insulation rubber supporting seat sizing material, including the following raw material: 100 parts of natural rubber, 5 parts of zinc oxide, tristearin
2 parts of acid, 1.5 parts of microwax, flowing 1.5 parts of antiflatulent CH236,2 parts of 4010NA, 1.5 parts of anti-aging agent RD, antioxidant d 1
Part, 1.5 parts of accelerant CZ, 0.8 part of vulcanizing agent DTDM, 0.5 part of vulcanizing agent PDM, 1.5 parts of sulphur, 9 parts of N774 carbon black, machine oil
25 parts, 6.6 parts of liquid nitrile rubber.
A kind of preparation method of architectural vibration-insulation rubber supporting seat sizing material, includes the following steps:
(1) plasticate: natural rubber is put into mixer and is plasticated, in 130 DEG C of temperature conditions of temperature by starting mixer
Under plasticate 4min, start discharge, park cooling 20h after discharge；
(2) liquid nitrile rubber is weighed with EVA polybag, preheats 3 hours (glue after weighing under conditions of 80 DEG C in electric furnace
Before expecting one section of mixing), to increase the molecular activity of liquid nitrile rubber, be conducive to liquid nitrile rubber molecule and natural rubber point
Son dissolves each other；
(3) it is kneaded one section: above-mentioned broken-down rubber after cooling is added in mixer, add zinc oxide, stearic acid, micro-
Brilliant wax, flowing antiflatulent, anti-aging agent, sulphur, are kneaded 1min, carbon black N774 are then added, be kneaded 3min, be added by preheating
Liquid nitrile rubber is kneaded, and is kneaded 1 minute, and machine oil is added and is kneaded；Start discharge when temperature reaches 120 DEG C, opens
Mill bottom sheet parks 16h after cooling line is cooling；
(4) two sections are kneaded: by one section of glue investment open mill of above-mentioned mixing, promotor and vulcanizing agent is added, in roller temperature 45-
At 55 DEG C after thin logical 6 times to get.
Embodiment 2:
A kind of architectural vibration-insulation rubber supporting seat sizing material, including the following raw material: 100 parts of natural rubber, 4 parts of zinc oxide, tristearin
Acid 3 parts, 2 parts of microwax, flowing 1.5 parts of antiflatulent CH236,2 parts of 4010NA, 1.5 parts of anti-aging agent RD, 1 part of antioxidant d,
1.5 parts of accelerant CZ, 0.8 part of vulcanizing agent DTDM, PDM0.3 parts of vulcanizing agent, 1.5 parts of sulphur, 10 parts of N774 carbon black, machine oil 20
Part, 7 parts of liquid nitrile rubber.
A kind of preparation method of architectural vibration-insulation rubber supporting seat sizing material, includes the following steps:
1) plasticate: natural rubber is put into mixer and is plasticated, in 130 DEG C of temperature conditions of temperature by starting mixer
Under plasticate 4min, start discharge, park cooling 20h after discharge；
(2) load weighted liquid nitrile rubber is preheated into 4h under the conditions of 80 DEG C；Warm can increase liquid butyronitrile
The molecular activity of rubber is conducive to dissolving each other for liquid nitrile rubber molecule and natural rubber molecule；
(3) it is kneaded one section: above-mentioned broken-down rubber after cooling is added in mixer, add zinc oxide, stearic acid, micro-
Brilliant wax, flowing antiflatulent, anti-aging agent, sulphur, are kneaded 1min, carbon black N774 are then added, be kneaded 3min, be added by preheating
Liquid nitrile rubber is kneaded, and is kneaded 1 minute, and machine oil is added and is kneaded；Start discharge when temperature reaches 120 DEG C, opens
Mill bottom sheet parks 16h after cooling line is cooling；
(4) two sections are kneaded: by one section of glue investment open mill of above-mentioned mixing, promotor and vulcanizing agent is added, in roller temperature 45-
At 55 DEG C after thin logical 7 times to get.
Embodiment 3:
A kind of architectural vibration-insulation rubber supporting seat sizing material, including the following raw material: 100 parts of natural rubber, 4.7 parts of zinc oxide, hard
2 parts of resin acid, 2 parts of microwax, flowing 2 parts of antiflatulent CH236,2 parts of 4010NA, 1.5 parts of anti-aging agent RD, 1 part of antioxidant d,
1.5 parts of accelerant CZ, 0.8 part of vulcanizing agent DTDM, PDM0.5 parts of vulcanizing agent, 1.5 parts of sulphur, 10 parts of N774 carbon black, machine oil 20
Part, 6 parts of liquid nitrile rubber.
A kind of preparation method of architectural vibration-insulation rubber supporting seat sizing material, includes the following steps:
(1) plasticate: natural rubber is put into mixer and is plasticated, in 130 DEG C of temperature conditions of temperature by starting mixer
Under plasticate 4min, start discharge, cooling 15~20h parked after discharge；
(2) load weighted liquid nitrile rubber is preheated into 4h under the conditions of 80 DEG C；Warm can increase liquid butyronitrile
The molecular activity of rubber is conducive to dissolving each other for liquid nitrile rubber molecule and natural rubber molecule；
(3) it is kneaded one section: above-mentioned broken-down rubber after cooling is added in mixer, add zinc oxide, stearic acid, micro-
Brilliant wax, flowing antiflatulent, anti-aging agent, sulphur, are kneaded 1min, carbon black N774 are then added, be kneaded 3min, be added by preheating
Liquid nitrile rubber is kneaded, and is kneaded 1 minute, and machine oil is added and is kneaded；Start discharge when temperature reaches 120 DEG C, opens
Mill bottom sheet parks 16h after cooling line is cooling；
(4) two sections are kneaded: by one section of glue investment open mill of above-mentioned mixing, promotor and vulcanizing agent is added, in roller temperature 45-
At 55 DEG C after thin logical 7 times to get.
Comparative example 1:
A kind of architectural vibration-insulation rubber supporting seat sizing material, including the following raw material: 100 parts of natural rubber, 5 parts of zinc oxide, tristearin
2 parts of acid, 1.5 parts of microwax, flowing 1.5 parts of antiflatulent CH236,2 parts of 4010NA, 1.5 parts of anti-aging agent RD, antioxidant d 1
Part, 1.5 parts of accelerant CZ, 0.8 part of vulcanizing agent DTDM, 0.5 part of vulcanizing agent PDM, 1.5 parts of sulphur, 9 parts of N774 carbon black, machine oil
25 parts
A kind of preparation method of architectural vibration-insulation rubber supporting seat sizing material, includes the following steps:
(1) plasticate: natural rubber is put into mixer and is plasticated, in 130 DEG C of temperature conditions of temperature by starting mixer
Under plasticate 4min, start discharge, park cooling 20h after discharge；
(2) it is kneaded one section: above-mentioned broken-down rubber after cooling is added in mixer, add zinc oxide, stearic acid, micro-
Brilliant wax, flowing antiflatulent, anti-aging agent, sulphur, are kneaded 1min, carbon black N774 are then added, 3min is kneaded, when temperature reaches 120
DEG C when start discharge, open mill bottom sheet parks 16h after cooling line is cooling；
(3) two sections are kneaded: by one section of glue investment open mill of above-mentioned mixing, promotor and vulcanizing agent is added, in roller temperature 45-
At 55 DEG C after thin logical 6 times to get.
Performance detection, testing result are carried out after embodiment 1-3 and comparative example 1 sizing material prepared are conventionally sampled
It is shown in Table 1.
Table 1
By upper table 1 and attached drawing 1-6 it is found that formula of the invention and the sizing material of method preparation can increase rubber and steel plate it
Between bonding (removing) intensity；Improve the processing performance of architectural vibration-insulation support natural rubber, vulcanization Shi Nengyu rubber molecule generates
In conjunction with improving " behaving excellently " defect well so as to prevent the migration of rubber chemicals, volatilize and be extracted；Improve building
Shock isolating pedestal sizing material resilience.
It is described in the present invention that specific embodiments are merely illustrative of the spirit of the present invention.Technology belonging to the present invention
The technical staff in field can make various modifications or additions to the described embodiments or by a similar method
Substitution, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
1. a kind of architectural vibration-insulation rubber supporting seat sizing material, which is characterized in that by weight, including the following raw material: natural rubber
100 parts, 4-6 parts of zinc oxide, 2-3 parts of stearic acid, 1-2 parts of microwax, antiflatulent 1-2 parts of flowing, 4.5-5 parts of anti-aging agent, promotion
1-2 parts of agent, 1.1-1.3 parts of vulcanizing agent, 1-2 parts of sulphur, 9-10 parts of N774 carbon black, 20-25 parts of machine oil, liquid nitrile rubber 6.5-
7 parts.
2. a kind of architectural vibration-insulation rubber supporting seat sizing material according to claim 1, which is characterized in that the flowing antiflatulent
To flow antiflatulent CH236.
3. a kind of architectural vibration-insulation rubber supporting seat sizing material according to claim 1, which is characterized in that the anti-aging agent is
The compound of 4010NA, anti-aging agent RD and antioxidant d.
4. a kind of architectural vibration-insulation rubber supporting seat sizing material according to claim 3, which is characterized in that the anti-aging agent is
The compound that 4010NA, anti-aging agent RD are compounded with antioxidant d according to the mass ratio of 2:1.5:1.
5. a kind of architectural vibration-insulation rubber supporting seat sizing material according to claim 1, which is characterized in that the vulcanizing agent is sulphur
Agent DTDM and vulcanizing agent PDM compounds product.
6. a kind of architectural vibration-insulation rubber supporting seat sizing material according to claim 5, which is characterized in that the vulcanizing agent DTDM
Mass ratio with vulcanizing agent PDM is 8:3-5.
7. a kind of preparation method of architectural vibration-insulation rubber supporting seat sizing material as claimed in any one of claims 1 to 6, including it is as follows
Step:
(1) plasticate: natural rubber is put into mixer and is plasticated, under the conditions of 125~135 DEG C of temperature by starting mixer
Plasticate 3~4min, starts discharge, and cooling 15~20h is parked after discharge, obtains broken-down rubber after cooling；
(2) load weighted liquid nitrile rubber is preheated to 3~4h under the conditions of 80 DEG C；
(3) it is kneaded one section: above-mentioned broken-down rubber after cooling being added in mixer, load weighted zinc oxide, tristearin are added
Acid, microwax, flowing antiflatulent, anti-aging agent, sulphur, are kneaded 1min, carbon black N774 are then added, be kneaded 2~3min, warp is added
The liquid nitrile rubber for crossing preheating is kneaded, and is kneaded 1 minute, and machine oil is added and is kneaded；Start when temperature reaches 120 DEG C
Discharge, open mill bottom sheet park 8~16h after cooling line is cooling；
(4) two sections are kneaded: by one section of glue investment open mill of above-mentioned mixing, promotor and vulcanizing agent is added, at 45-55 DEG C of roller temperature
Under the conditions of after thin logical 5~7 times to get.
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Cited By (2)
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| CN111070531A (en) * | 2019-12-13 | 2020-04-28 | 衡橡科技股份有限公司 | Preparation method of building shock insulation rubber support and product thereof |
| CN115785536A (en) * | 2022-12-07 | 2023-03-14 | 丰泽智能装备股份有限公司 | Modified natural rubber, preparation method thereof and building shock insulation rubber support |
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| CN115785536B (en) * | 2022-12-07 | 2024-05-24 | 丰泽智能装备股份有限公司 | Modified natural rubber, preparation method thereof and building shock insulation rubber support |
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