CN110372925A - A kind of Zirconium oxide analyzer high sealing rubber material and preparation method thereof - Google Patents
A kind of Zirconium oxide analyzer high sealing rubber material and preparation method thereof Download PDFInfo
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- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/32—Phosphorus-containing compounds
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Abstract
The present invention provides a kind of Zirconium oxide analyzer high sealing rubber material and preparation method thereof, is related to Zirconium oxide analyzer processing technique field.The high sealing rubber material is made of raw material from the following weight: 15-18 parts of nitrile rubber, 12-15 parts of fluorubber, 6-8 parts of polytetrafluoroethylene (PTFE), 2-4 parts of silicon rubber, 1-2 parts of nano silica, 1-2 parts of glass fibre, 1-3 parts of polyacrylamide, 1-3 parts of 2-mercaptobenzimidazole, 0.8-1.2 parts of benzotriazole, 1-1.8 parts of tributyl phosphate, 0.4-0.6 parts of dipotassium hydrogen phosphate, 0.2-0.6 parts of sodium pyrosulfite, 0.8-1.4 parts of tetrabutylammonium bromide, 1-2 parts of vulcanizing agent, 1-2 parts of crosslinking agent, 1-1.8 parts of plasticizer.The present invention overcomes the deficiencies in the prior art, improve the intensity and anti-aging property of conventional sealing material, effectively prevent rubber temperature distortion under high temperature environment, promote the leakproofness and service life of product, are suitable for promoting the use of.
Description
Technical field
The present invention relates to Zirconium oxide analyzer processing technique fields, and in particular to a kind of Zirconium oxide analyzer is with high sealing rubber
Glue material and preparation method thereof.
Background technique
Zirconium oxide analyzer is primarily used to a kind of fine instrument of measurement analysis oxygen and imflammable gas, main to apply
In: in petrochemical industry ethylene and aromatic hydrocarbons produce, hydrocracking process, inert gas reacting furnace or container, argon gas or nitrogen
The Combustion System of purifying, boiler or incinerator etc., the gas cylinder filling of Gas Plant and canned, warship inert gas generator, beer
The carbon dioxide purity detection of wine industry, heat treatment industrial furnace etc..
Since the use environment of Zirconium oxide analyzer is mostly more severe, so using rubber packing material in equipment
It is inevitable that portion, which is sealed against only internal component damage, but since the detection big multi-temperature of environment is higher, after being used for multiple times
The aging that can accelerate sealing material reduces its deformation by sealing effect, the service life of product is influenced, so studying a oxidation
The high leakproofness rubber material of zirconium analyzer is a big important directions at this stage.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of Zirconium oxide analyzer high sealing rubber material and its preparation side
Method improves the intensity and anti-aging property of conventional sealing material, effectively prevent rubber temperature distortion under high temperature environment, is promoted
The leakproofness and service life of product are suitable for promoting the use of.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of Zirconium oxide analyzer high sealing rubber material, the high sealing rubber material by following parts by weight raw material
It is made: 15-18 parts of nitrile rubber, 12-15 parts of fluorubber, 6-8 parts of polytetrafluoroethylene (PTFE), 2-4 parts of silicon rubber, nano silica 1-
2 parts, 1-2 parts of glass fibre, 1-3 parts of polyacrylamide, 1-3 parts of 2-mercaptobenzimidazole, 0.8-1.2 parts of benzotriazole, phosphorus
Sour tributyl 1-1.8 parts, 0.4-0.6 parts of dipotassium hydrogen phosphate, 0.2-0.6 parts of sodium pyrosulfite, tetrabutylammonium bromide 0.8-1.4
Part, 1-2 parts of vulcanizing agent, 1-2 parts of crosslinking agent, 1-1.8 parts of plasticizer.
Preferably, the vulcanizing agent is the mixing of sulphur, methyl hexahydrophthalic anhydride and vulcanizer VA-7 mass ratio 3: 1: 2
Object.
Preferably, the crosslinking agent is benzoyl peroxide, cumyl peroxide, appointing in di-isopropylbenzene hydroperoxide
It anticipates one kind.
Preferably, the plasticizer is phthalic acid two (2- ethyl hexyl) ester, adipate ester and stearate mass ratio 3
: 2: 1 mixture.
The preparation method of the high sealing rubber material the following steps are included:
(1) sodium pyrosulfite and the dipotassium hydrogen phosphate height in reaction kettle is added in nitrile rubber, polytetrafluoroethylene (PTFE) epoxy glue
Warm mixed oxidization is modified, and it is spare to obtain mixed resin A；
(2) fluorubber, silicon rubber are mixed and nano silica and glass fibre is added after the mixing of kneading machine high temperature
Rapid cooling, after crushed 80 meshes in pulverizer, it is spare to obtain mixed resin B；
(3) polyacrylamide, 2-mercaptobenzimidazole, benzene a pair of horses going side by side are added after mixing above-mentioned mixed resin A and mixed resin B
Triazole, tetrabutylammonium bromide and crosslinking agent are kneaded in autoclave high temperature high pressure, and it is spare to obtain mixture；
(4) tributyl phosphate is added in above-mentioned mixture, vulcanizing agent and plasticizer the 200-210 DEG C of low speed in blender stir
Mix 2-3h, then keep the temperature stand 40-50min, after in extruder extrusion molding, obtain high sealing rubber material.
Preferably, the modified temperature of step (1) the high temperature mixed oxidization is 180-190 DEG C, time 45-50min.
Preferably, the temperature that step (2) high temperature is kneaded is 240-250 DEG C, mixing time 30-40min, rapidly
The speed of cooling is 30-35 DEG C/min.
Preferably, the temperature that step (3) the high temperature high pressure is kneaded is 150-160 DEG C, pressure 18-20MPa, is kneaded
Time is 50-60min.
Preferably, the revolving speed stirred at low speed in the step (4) is 200-300r/min, and the temperature that extruder squeezes out is
190℃。
The present invention provides a kind of Zirconium oxide analyzer high sealing rubber material and preparation method thereof, compared with prior art
Advantage is:
(1) present invention uses nitrile rubber, fluorubber, polytetrafluoroethylene (PTFE), silicon rubber for main base, and by the fine rubber of fourth
Sodium pyrosulfite and dipotassium hydrogen phosphate oxidation modification is added in glue, polytetrafluoroethylene (PTFE) mixing, and fluorubber, silicon rubber are mixed to be added and received
Rice silica and glass fiber high-temperature be kneaded after rapid cooling, such method can effectively dispersion rubber structure make its be easy with
Other materials combine the stability for promoting product, and reduce rubber material to the sensibility of temperature, prevent product temperature distortion.
(2) present invention is added with objects such as polyacrylamide, 2-mercaptobenzimidazole, benzotriazole, tetrabutylammonium bromide
Matter enhances the vulcanization effect of product, promotes its sealing performance while effectively promoting ageing-resistant product and high temperature resistance.
(3) a raw material is mixed and by boosting pressure release stewing process repeatedly, makes the knot in raw material between ingredient by the present invention
Structure is close, is not easy temperature distortion, promotes the heat-resistant deformation effect of product.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of Zirconium oxide analyzer high sealing rubber material, the high sealing rubber material by following parts by weight raw material
It is made: 15 parts of nitrile rubber, 12 parts of fluorubber, 6 parts of polytetrafluoroethylene (PTFE), 2 parts of silicon rubber, 1 part of nano silica, glass fibre
1 part, 1 part of polyacrylamide, 1 part of 2-mercaptobenzimidazole, 0.8 part of benzotriazole, 1 part of tributyl phosphate, dipotassium hydrogen phosphate
0.4 part, 0.2 part of sodium pyrosulfite, 0.8 part of tetrabutylammonium bromide, 1 part of vulcanizing agent, 1 part of crosslinking agent, 1 part of plasticizer.
The vulcanizing agent is the mixture of sulphur, methyl hexahydrophthalic anhydride and vulcanizer VA-7 mass ratio 3: 1: 2；It is described
Crosslinking agent is benzoyl peroxide；The plasticizer is phthalic acid two (2- ethyl hexyl) ester, adipate ester and stearate
The mixture of mass ratio 3: 2: 1.
The preparation method of the high sealing rubber material the following steps are included:
(1) sodium pyrosulfite and the dipotassium hydrogen phosphate height in reaction kettle is added in nitrile rubber, polytetrafluoroethylene (PTFE) epoxy glue
Warm mixed oxidization is modified, and it is spare to obtain mixed resin A；
(2) fluorubber, silicon rubber are mixed and nano silica and glass fibre is added after the mixing of kneading machine high temperature
Rapid cooling, after crushed 80 meshes in pulverizer, it is spare to obtain mixed resin B；
(3) polyacrylamide, 2-mercaptobenzimidazole, benzene a pair of horses going side by side are added after mixing above-mentioned mixed resin A and mixed resin B
Triazole, tetrabutylammonium bromide and crosslinking agent are kneaded in autoclave high temperature high pressure, and it is spare to obtain mixture；
(4) tributyl phosphate is added in above-mentioned mixture, vulcanizing agent and plasticizer the 200-210 DEG C of low speed in blender stir
Mix 2-3h, then keep the temperature stand 40-50min, after in extruder extrusion molding, obtain high sealing rubber material.
Wherein, the modified temperature of step (1) the high temperature mixed oxidization is 180-190 DEG C, time 45-50min；Institute
The temperature for stating the mixing of step (2) high temperature is 240-250 DEG C, mixing time 30-40min, and the speed of rapid cooling is 30-35
℃/min；The temperature that step (3) the high temperature high pressure is kneaded is 150-160 DEG C, pressure 18-20MPa, and mixing time is
50-60min；The revolving speed stirred at low speed in the step (4) is 200-300r/min, and the temperature that extruder squeezes out is 190 DEG C.
Embodiment 2:
A kind of Zirconium oxide analyzer high sealing rubber material, the high sealing rubber material by following parts by weight raw material
It is made: 18 parts of nitrile rubber, 15 parts of fluorubber, 8 parts of polytetrafluoroethylene (PTFE), 4 parts of silicon rubber, 2 parts of nano silica, glass fibre
2 parts, 3 parts of polyacrylamide, 3 parts of 2-mercaptobenzimidazole, 1.2 parts of benzotriazole, 1.8 parts of tributyl phosphate, phosphoric acid hydrogen two
0.6 part of potassium, 0.6 part of sodium pyrosulfite, 1.4 parts of tetrabutylammonium bromide, 2 parts of vulcanizing agent, 2 parts of crosslinking agent, 1.8 parts of plasticizer.
The vulcanizing agent is the mixture of sulphur, methyl hexahydrophthalic anhydride and vulcanizer VA-7 mass ratio 3: 1: 2；It is described
Crosslinking agent is di-isopropylbenzene hydroperoxide；The plasticizer is phthalic acid two (2- ethyl hexyl) ester, adipate ester and tristearin
The mixture of acid esters mass ratio 3: 2: 1.
The preparation method of the high sealing rubber material the following steps are included:
(1) sodium pyrosulfite and the dipotassium hydrogen phosphate height in reaction kettle is added in nitrile rubber, polytetrafluoroethylene (PTFE) epoxy glue
Warm mixed oxidization is modified, and it is spare to obtain mixed resin A；
(2) fluorubber, silicon rubber are mixed and nano silica and glass fibre is added after the mixing of kneading machine high temperature
Rapid cooling, after crushed 80 meshes in pulverizer, it is spare to obtain mixed resin B；
(3) polyacrylamide, 2-mercaptobenzimidazole, benzene a pair of horses going side by side are added after mixing above-mentioned mixed resin A and mixed resin B
Triazole, tetrabutylammonium bromide and crosslinking agent are kneaded in autoclave high temperature high pressure, and it is spare to obtain mixture；
(4) tributyl phosphate is added in above-mentioned mixture, vulcanizing agent and plasticizer the 200-210 DEG C of low speed in blender stir
Mix 2-3h, then keep the temperature stand 40-50min, after in extruder extrusion molding, obtain high sealing rubber material.
Wherein, the modified temperature of step (1) the high temperature mixed oxidization is 180-190 DEG C, time 45-50min；Institute
The temperature for stating the mixing of step (2) high temperature is 240-250 DEG C, mixing time 30-40min, and the speed of rapid cooling is 30-35
℃/min；The temperature that step (3) the high temperature high pressure is kneaded is 150-160 DEG C, pressure 18-20MPa, and mixing time is
50-60min；The revolving speed stirred at low speed in the step (4) is 200-300r/min, and the temperature that extruder squeezes out is 190 DEG C.
Embodiment 3:
A kind of Zirconium oxide analyzer high sealing rubber material, the high sealing rubber material by following parts by weight raw material
It is made: 17 parts of nitrile rubber, 14 parts of fluorubber, 7 parts of polytetrafluoroethylene (PTFE), 3 parts of silicon rubber .5 parts of nano silica, glass fibers
Tie up 1.5 parts, 2 parts of polyacrylamide, 2 parts of 2-mercaptobenzimidazole, 1 part of benzotriazole, 1.4 parts of tributyl phosphate, phosphoric acid hydrogen
0.5 part of dipotassium, 0.4 part of sodium pyrosulfite, 1.1 parts of tetrabutylammonium bromide, 1.5 parts of vulcanizing agent, 1.5 parts of crosslinking agent, plasticizer 1.4
Part.
The vulcanizing agent is the mixture of sulphur, methyl hexahydrophthalic anhydride and vulcanizer VA-7 mass ratio 3: 1: 2；It is described
Crosslinking agent is cumyl peroxide；The plasticizer is phthalic acid two (2- ethyl hexyl) ester, adipate ester and stearic acid
The mixture of ester mass ratio 3: 2: 1.
The preparation method of the high sealing rubber material the following steps are included:
(1) sodium pyrosulfite and the dipotassium hydrogen phosphate height in reaction kettle is added in nitrile rubber, polytetrafluoroethylene (PTFE) epoxy glue
Warm mixed oxidization is modified, and it is spare to obtain mixed resin A；
(2) fluorubber, silicon rubber are mixed and nano silica and glass fibre is added after the mixing of kneading machine high temperature
Rapid cooling, after crushed 80 meshes in pulverizer, it is spare to obtain mixed resin B；
(3) polyacrylamide, 2-mercaptobenzimidazole, benzene a pair of horses going side by side are added after mixing above-mentioned mixed resin A and mixed resin B
Triazole, tetrabutylammonium bromide and crosslinking agent are kneaded in autoclave high temperature high pressure, and it is spare to obtain mixture；
(4) tributyl phosphate is added in above-mentioned mixture, vulcanizing agent and plasticizer the 200-210 DEG C of low speed in blender stir
Mix 2-3h, then keep the temperature stand 40-50min, after in extruder extrusion molding, obtain high sealing rubber material.
Wherein, the modified temperature of step (1) the high temperature mixed oxidization is 180-190 DEG C, time 45-50min；Institute
The temperature for stating the mixing of step (2) high temperature is 240-250 DEG C, mixing time 30-40min, and the speed of rapid cooling is 30-35
℃/min；The temperature that step (3) the high temperature high pressure is kneaded is 150-160 DEG C, pressure 18-20MPa, and mixing time is
50-60min；The revolving speed stirred at low speed in the step (4) is 200-300r/min, and the temperature that extruder squeezes out is 190 DEG C.
Embodiment 4:
Rubber material obtained by above-mentioned plastics 1-3 is detected, detects compression of each set product under 100 DEG C of high temperature after 22h respectively
Be permanently deformed performance, and mechanical performance after 250 DEG C of high temperature heat aging 70h for aging before performance change, knot
Fruit is as shown in the table:
Products obtained therefrom of the present invention can be effectively ageing-resistant as seen from the above table, and high temperature-proof deformation reaches excellent sealing effect, fits
Preferably promote the use of.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of Zirconium oxide analyzer high sealing rubber material, which is characterized in that the high sealing rubber material is by following heavy
The raw material of amount part is made: 15-18 parts of nitrile rubber, 12-15 parts of fluorubber, 6-8 parts of polytetrafluoroethylene (PTFE), 2-4 parts of silicon rubber, nanometer
- 2 parts of silica 1,1-2 parts of glass fibre, 1-3 parts of polyacrylamide, 1-3 parts of 2-mercaptobenzimidazole, benzotriazole
0.8-1.2 parts, 1-1.8 parts of tributyl phosphate, 0.4-0.6 parts of dipotassium hydrogen phosphate, 0.2-0.6 parts of sodium pyrosulfite, tetrabutyl bromine
Change ammonium 0.8-1.4 parts, 1-2 parts of vulcanizing agent, 1-2 parts of crosslinking agent, 1-1.8 parts of plasticizer.
2. a kind of Zirconium oxide analyzer high sealing rubber material according to claim 1, it is characterised in that: the vulcanization
Agent is the mixture of sulphur, methyl hexahydrophthalic anhydride and vulcanizer VA-7 mass ratio 3: 1: 2.
3. a kind of Zirconium oxide analyzer high sealing rubber material according to claim 1, it is characterised in that: the crosslinking
Agent is benzoyl peroxide, cumyl peroxide, any one in di-isopropylbenzene hydroperoxide.
4. a kind of Zirconium oxide analyzer high sealing rubber material according to claim 1, it is characterised in that: the plasticising
Agent is the mixture of phthalic acid two (2- ethyl hexyl) ester, adipate ester and stearate mass ratio 3: 2: 1.
5. a kind of Zirconium oxide analyzer preparation method of high sealing rubber material, it is characterised in that: the high sealing rubber material
The preparation method of material the following steps are included:
(1) sodium pyrosulfite and dipotassium hydrogen phosphate is added in nitrile rubber, polytetrafluoroethylene (PTFE) epoxy glue to mix in reaction kettle high temperature
Oxidation modification is closed, it is spare to obtain mixed resin A；
(2) fluorubber, silicon rubber are mixed and nano silica and glass fibre is added after the mixing of kneading machine high temperature rapidly
Cooling, after crushed 80 meshes in pulverizer, it is spare to obtain mixed resin B；
(3) parallel three nitrogen of polyacrylamide, 2-mercaptobenzimidazole, benzene are added after mixing above-mentioned mixed resin A and mixed resin B
Azoles, tetrabutylammonium bromide and crosslinking agent are kneaded in autoclave high temperature high pressure, and it is spare to obtain mixture；
(4) tributyl phosphate, vulcanizing agent and plasticizer is added in above-mentioned mixture and stirs at low speed 2- for 200-210 DEG C in blender
3h, then keep the temperature stand 40-50min, after in extruder extrusion molding, obtain high sealing rubber material.
6. a kind of preparation method of Zirconium oxide analyzer high sealing rubber material according to claim 5, feature exist
In: the modified temperature of step (1) the high temperature mixed oxidization is 180-190 DEG C, time 45-50min.
7. a kind of preparation method of Zirconium oxide analyzer high sealing rubber material according to claim 5, feature exist
In: the temperature that step (2) high temperature is kneaded is 240-250 DEG C, and the speed of mixing time 30-40min, rapid cooling are
30-35℃/min。
8. a kind of preparation method of Zirconium oxide analyzer high sealing rubber material according to claim 5, feature exist
In: the temperature that step (3) the high temperature high pressure is kneaded is 150-160 DEG C, pressure 18-20MPa, mixing time 50-
60min。
9. a kind of preparation method of Zirconium oxide analyzer high sealing rubber material according to claim 5, feature exist
In: the revolving speed stirred at low speed in the step (4) is 200-300r/min, and the temperature that extruder squeezes out is 190 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109369990A (en) * | 2018-10-31 | 2019-02-22 | 江苏伊顿航天材料股份有限公司 | A kind of refractory seals part and preparation method thereof |
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| CN106366375A (en) * | 2016-09-30 | 2017-02-01 | 合肥华运机械制造有限公司 | Rubber sealing material for magnetic pump |
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| CN109942918A (en) * | 2019-04-02 | 2019-06-28 | 合肥核舟电子科技有限公司 | A kind of high-frequency electromagnetic valve nitrile rubber gasket and preparation method thereof |
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| DE3916481C1 (en) * | 1989-05-20 | 1990-10-25 | Goetze Ag, 5093 Burscheid, De | Vulcanisable elastomeric compsn. for metal composites - contains polymeric mixt. of hydrogenated butadiene]-acrylonitrile] copolymer, fluoro:polymer and e.g. silicone |
| CN101519578A (en) * | 2008-03-01 | 2009-09-02 | 中国石油化工股份有限公司 | Special material for automotive seal strip and preparation method thereof |
| CN106366375A (en) * | 2016-09-30 | 2017-02-01 | 合肥华运机械制造有限公司 | Rubber sealing material for magnetic pump |
| CN108384242A (en) * | 2018-02-11 | 2018-08-10 | 山东星火科学技术研究院 | A kind of military refractory seals rubber cushion |
| CN109942918A (en) * | 2019-04-02 | 2019-06-28 | 合肥核舟电子科技有限公司 | A kind of high-frequency electromagnetic valve nitrile rubber gasket and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109369990A (en) * | 2018-10-31 | 2019-02-22 | 江苏伊顿航天材料股份有限公司 | A kind of refractory seals part and preparation method thereof |
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Application publication date: 20191025 |