CN108359182A - A kind of endurance irradiation diaphragm sizing material - Google Patents
A kind of endurance irradiation diaphragm sizing material Download PDFInfo
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- CN108359182A CN108359182A CN201810139084.5A CN201810139084A CN108359182A CN 108359182 A CN108359182 A CN 108359182A CN 201810139084 A CN201810139084 A CN 201810139084A CN 108359182 A CN108359182 A CN 108359182A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical Kinetics & Catalysis (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention discloses a kind of endurances to irradiate diaphragm sizing material, by ethylene propylene diene rubber, nitrile rubber, reinforcing filler, vulcanizing agent, vulcanization accelerator, activating agent, plasticizer, anti-aging agent, Flouride-resistani acid phesphatase auxiliary agent, adhesive, antifatigue are made through plasticating and being kneaded, the present invention has excellent fatigue performance, deflects number up to 250,000 times or more；Endurance irradiation diaphragm sizing material is made with calendering process by simply plasticating in the present invention, tensile strength, elongation at break and firmness change rate, which have, after being irradiated through 935KGy significantly reduces, improve the radiation-resistant property of diaphragm sizing material, it can be used for producing various radiation resistance rubber products, it is widely used in having in the environment of high-energy radiation in the multiple fields such as aerospace, nuclear industry, telecommunications, chemical industry, medicine, ship, there is good Social benefit and economic benefit.
Description
Technical field
The present invention relates to a kind of novel sizing materials more particularly to a kind of endurance to irradiate diaphragm sizing material.
Background technology
In recent years, the fast development of China's economic promotes the Fast Growth of nuclear power industry, the unit of nuclear power station operation
It is continuously increased.Pneumatic control valve is a kind of important nuclear power valve, and diaphragm is the critical component for determining the regulating valve service life.
Currently, tearing and being irradiated always because of diaphragm fatigue often occur in use in nuclear power industry pneumatic control valve diaphragm
Change and lead to leakage problem, being constituted on the stable operation of nuclear power station influences, and can occur to jump heap phenomenon when serious.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of endurances to irradiate diaphragm sizing material, by ternary
EP rubbers, nitrile rubber, reinforcing filler, vulcanizing agent, vulcanization accelerator, activating agent, plasticizer, anti-aging agent, Flouride-resistani acid phesphatase help
Agent, adhesive, antifatigue are made through plasticating and being kneaded；Formula rate is calculated as ethylene propylene diene rubber 40-100 by weight
Part, 0-60 parts of nitrile rubber, 25-120 parts of reinforcing filler, 0.3-5 parts of vulcanizing agent, 0-5 parts of vulcanization accelerator, activating agent 1-15
Part, 5-30 parts of plasticizer, 1-5 parts of anti-aging agent, 1-50 parts of Flouride-resistani acid phesphatase auxiliary agent, 1-6 parts of adhesive, 1-10 parts of antifatigue.
Further reinforcing filler is white carbon, carbon black N115, carbon black N220, carbon black N330, carbon black N550, carbon black
N770 or carbon black N990.
Further reinforcing filler is white carbon, carbon black N115, carbon black N220, carbon black N330, carbon black N550, carbon black
By any than mixing between N770 or carbon black N990.
Further vulcanizing agent is sulphur, DCP or TAIC.
By any than mixing between further vulcanizing agent is in sulphur, DCP or TAIC.
Further vulcanization accelerator is thuriam acceserator TMTD, thiazole accelerator DM, sulfenamide promote
Agent CZ or sulfenamide type accelerators NS.
Further vulcanization accelerator is thuriam acceserator TMTD, thiazole accelerator DM, sulfenamide promote
By any than mixing between agent CZ or sulfenamide type accelerators NS.
Further vulcanizing activator is zinc oxide or stearic acid.
Further vulcanizing activator is that zinc oxide and stearic acid are mixed by any ratio.
Further plasticizer be paraffin oil, aromatic naphtha, coumarone, C5 resins, C9 resins, dioctyl phthalate,
Liquid butadiene.
Further plasticizer be paraffin oil, aromatic naphtha, coumarone, C5 resins, C9 resins, dioctyl phthalate,
By any than mixing between liquid butadiene.
Further anti-aging agent is anti-aging agent RD, antioxidant 4020, antioxidant MC, antioxidant MB, antioxidant BLE or micro-
Brilliant wax.
Further anti-aging agent is anti-aging agent RD, antioxidant 4020, antioxidant MC, antioxidant MB, antioxidant BLE or micro-
By any than mixing between brilliant wax.
Further Flouride-resistani acid phesphatase auxiliary agent is lead orthoplumbate, dysprosia, cerium oxide, yttrium oxide, boron oxide, boron carbide or nitrogen
Change boron.
Further Flouride-resistani acid phesphatase auxiliary agent is lead orthoplumbate, dysprosia, cerium oxide, yttrium oxide, boron oxide, boron carbide or nitrogen
By any than mixing between change boron.
Further adhesive is adhesive A and adhesive RS.
Further antifatigue is carbon nanotube.
Diaphragm sizing material made by the present invention has excellent fatigue performance, deflects number up to 250,000 times or more；This hair
It is bright endurance is made with calendering process to irradiate diaphragm sizing material by simply plasticating, it is tensile strength after being irradiated through 935KGy, disconnected
It splits elongation and firmness change rate has and significantly reduces, improve the radiation-resistant property of diaphragm sizing material, can be used for producing
Various radiation resistance rubber products are widely used in a variety of necks such as aerospace, nuclear industry, telecommunications, chemical industry, medicine, ship
Having in the environment of high-energy radiation in domain has good Social benefit and economic benefit.
Specific implementation mode
Embodiment 1
Formula rate is by weight：70 parts of ethylene propylene diene rubber, 30 parts of nitrile rubber, carbon black N330 are 55 parts, white carbon 5
Part, 0.5 part of 2.5 parts of DCP, TAIC, 0.3 part of sulphur, 0.5 part of accelerant CZ, 5 parts of zinc oxide, 2 parts of stearic acid, adjacent benzene two
12 parts of formic acid dioctyl ester, 1.5 parts of anti-aging agent RD, antioxidant 4020 are 1 part, 1 part of antioxidant MB, 25 parts of lead orthoplumbate, oxygen
Change 5 parts of cerium, 2.5 parts of adhesive RS, 1.5 parts of adhesive A, 3 parts of carbon nanotube.
First, 30 parts of 70 parts of ethylene propylene diene rubber and nitrile rubber are plasticated on a mill, adjust roll spacing 1.5-4mm,
Roller temperature is controlled at 40-50 DEG C, and broken-down rubber is made in the 15min that plasticates.Then one section of mixing is carried out, broken-down rubber is first put into mixer
Then middle compression floating weight, mixing 1min open floating weight, it is 55 parts that carbon black N330, which is added, 5 parts of white carbon, 5 parts of zinc oxide, firmly
2 parts of resin acid, 12 parts of dioctyl phthalate, 1.5 parts of anti-aging agent RD, antioxidant 4020 are 1 part, 1 part of antioxidant MB, four oxygen
Change 3 parts of 25 parts of three lead, 5 parts of cerium oxide, 2.5 parts of adhesive RS and carbon nanotube, is kneaded 4min, control dump temperature is in 140-
It 160 DEG C, turns refining through open mill, by thickness 8-12mm slices, room temperature cooling obtains one section of rubber compound, parks 8h；Finally carry out two
Section is kneaded, rubber compound that one section is produced with DCP2.5 part, TAIC0.5 parts, 0.3 part of sulphur and glues 0.5 part of accelerant CZ
In A1.5 parts of addition mixers of mixture, it is kneaded 3min, control dump temperature turns refining, by thickness 8- at 80-110 DEG C through open mill
12mm slices, room temperature cooling, you can endurance radiation resistance diaphragm sizing material is made.
Embodiment 2
Formula rate is by weight：40 parts of ethylene propylene diene rubber, 60 parts of nitrile rubber, carbon black N550 are 25 parts, carbon black N770
It is 20 parts, 8 parts of white carbon, 0.3 part of 2 parts of DCP, TAIC, 1 part of sulphur, 0.8 part of accelerator NS, 5 parts of zinc oxide, stearic acid 3
Part, 8 parts of paraffin oil, 5 parts of liquid butadiene, 1 part of anti-aging agent RD, antioxidant 4020 is 1 part, 1 part of antioxidant BLE, microwax 1
Part, 40 parts of lead orthoplumbate, 2.5 parts of boron carbide, 2.5 parts of adhesive RS, 1.5 parts of adhesive A, 2 parts of carbon nanotube.
First, 60 parts of 40 parts of ethylene propylene diene rubber and nitrile rubber are plasticated on a mill, adjust roll spacing 1.5-4mm,
Roller temperature is controlled at 40-50 DEG C, and broken-down rubber is made in the 10min that plasticates.
Then one section of mixing is carried out, first puts into broken-down rubber in mixer, compression floating weight, mixing 0.5min, then
Floating weight is opened, totally 25 parts, totally 20 parts of carbon black N770 of carbon black N550,8 parts of white carbon, 5 parts of zinc oxide, 3 parts of stearic acid, paraffin is added
8 parts of oil, 5 parts of liquid butadiene, 1 part of anti-aging agent RD, totally 1 part of antioxidant 4020,1 part of antioxidant BLE, 1 part of microwax wax, four oxygen
Change 2 parts of 40 parts of three lead, 2.5 parts of boron carbide, 2.5 parts of adhesive RS and carbon nanotube, be kneaded 3min, control dump temperature exists
It 140-160 DEG C, turns refining through open mill, by thickness 8-12mm slices, room temperature cooling obtains one section of rubber compound, parks 6h；It is most laggard
Row two-stage mixing, the rubber compound that one section is produced with DCP2 part, TAIC0.3 parts, 1 part of sulphur, 0.8 part of accelerator NS and bond
In A1.5 parts of addition mixers of agent, it is kneaded 4min, control dump temperature turns refining, by thickness 8- at 80-110 DEG C through open mill
12mm slices, room temperature cooling, you can endurance radiation resistance sizing material is made.
Embodiment 3
Formula rate is by weight：100 parts of ethylene propylene diene rubber, carbon black N330 are 30 parts, and carbon black N990 is 30 parts, white carbon
5 parts, 3 parts of DCP, 0.3 part of sulphur, 0.3 part of TMTD, 8 parts of zinc oxide, 3 parts of stearic acid, 18 parts of paraffin oil, 1 part of anti-aging agent RD,
1 part of antioxidant BLE, 1 part of antioxidant MC, 5 parts of cerium oxide, 3 parts of dysprosia, 2.5 parts of boron nitride, 2.8 parts of adhesive RS are glued
1.6 parts of mixture A, 5 parts of carbon nanotube.
First, it by 100 parts of ethylene propylene diene rubber, plasticates on a mill, adjusts roll spacing 1.5-4mm, roller temperature is controlled in 40-
50 DEG C, broken-down rubber is made in the 12min that plasticates.Then one section of mixing is carried out, first broken-down rubber is put into mixer, is pushed up in compression
Then bolt, mixing 1.5min open floating weight, each 30 parts of carbon black N330 and carbon black N990,5 parts of white carbon, zinc oxide 8 is added
Part, 3 parts of stearic acid, 18 parts of paraffin oil, 1 part of anti-aging agent RD, 1 part of antioxidant BLE, 1 part of antioxidant MC, 5 parts of cerium oxide, oxidation
5 parts, mixing 4min of 3 parts of dysprosium, 2.5 parts of boron nitride, 2.8 parts of adhesive RS and carbon nanotube, control dump temperature is in 140-160
DEG C, it turns refining through open mill, by thickness 8-12mm slices, room temperature cooling obtains one section of rubber compound, parks 12h；Finally carry out two sections
Be kneaded, rubber compound that one section is produced with DCP3 parts, 1.6 parts of addition mixers of 0.3 part, TMTD0.3 parts of sulphur and adhesive A
In, it is kneaded 3min, control dump temperature turns refining at 80-110 DEG C through open mill, and by thickness 8-12mm slices, room temperature cools down, i.e.,
Endurance radiation resistance sizing material can be made.
Comparative example 1
Formula rate is by weight：40 parts of ethylene propylene diene rubber, 60 parts of nitrile rubber, carbon black N550 are 30 parts, carbon black N770
It is 20 parts, 8 parts of white carbon, 0.3 part of 2 parts of DCP, TAIC, 1 part of sulphur, 0.8 part of accelerator NS, 5 parts of zinc oxide, stearic acid 3
Part, 8 parts of paraffin oil, 5 parts of liquid butadiene, 1 part of anti-aging agent RD, antioxidant 4020 is 1 part, 1 part of antioxidant BLE, microwax 1
Part, 2.5 parts of adhesive RS, 1.5 parts of adhesive A.
First, 60 parts of 40 parts of ethylene propylene diene rubber and nitrile rubber are plasticated on a mill, adjust roll spacing 1.5-4mm,
Roller temperature is controlled at 40-50 DEG C, and broken-down rubber is made in the 10min that plasticates.
Then one section of mixing is carried out, first puts into broken-down rubber in mixer, compression floating weight, mixing 0.5min, then
Floating weight is opened, it is 30 parts that carbon black N550, which is added, and carbon black N770 is 20 parts, 8 parts of white carbon, 5 parts of zinc oxide, 3 parts of stearic acid, paraffin
8 parts of oil, 5 parts of liquid butadiene, 1 part of anti-aging agent RD, antioxidant 4020 are 1 part, 1 part of antioxidant BLE, 1 part of microwax and viscous
RS2.5 parts of mixing 3min of mixture, control dump temperature turn refining, by thickness 8-12mm slices, often at 140-160 DEG C through open mill
Temperature is cooling, obtains one section of rubber compound, parks 6h；Two-stage mixing is finally carried out, 2 parts of the rubber compound that one section is produced and DCP,
0.3 part of TAIC, 1 part of sulphur in 1.5 parts of addition mixers of 0.8 part of accelerator NS and adhesive A, are kneaded 4min, control row
Glue temperature turns refining at 80-110 DEG C through open mill, by thickness 8-12mm slices, room temperature cooling, you can common sizing material is made.
To common sizing material made from above-described embodiment 1,2,3 obtained endurance radiation resistance diaphragm sizing materials and comparative example 1,
After being vulcanized under conditions of 155 DEG C × 20min, test specimen is obtained, and be tested for the property.
1, fatigue performance is tested, as a result such as table 1：
Table 1：
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Deflect number/ten thousand time | ＞ 25 | ＞ 25 | ＞ 25 | ＜ 15 |
2, Mechanics Performance Testing after irradiating, it is 935KGy that sample receives accumulative irradiation dose in air, as a result such as table 2：
Table 2：
Claims (17)
1. a kind of endurance irradiates diaphragm sizing material, promoted by ethylene propylene diene rubber, nitrile rubber, reinforcing filler, vulcanizing agent, vulcanization
Into agent, activating agent, plasticizer, anti-aging agent, Flouride-resistani acid phesphatase auxiliary agent, adhesive, antifatigue are made through plasticating and being kneaded, feature
It is：Formula rate is calculated as 40-100 parts of ethylene propylene diene rubber, 0-60 parts of nitrile rubber, reinforcing filler 25-120 by weight
Part, 0.3-5 parts of vulcanizing agent, 0-5 parts of vulcanization accelerator, 1-15 parts of activating agent, 5-30 parts of plasticizer, 1-5 parts of anti-aging agent, Flouride-resistani acid phesphatase
1-50 parts of auxiliary agent, 1-6 parts of adhesive, 1-10 parts of antifatigue.
2. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The reinforcing filler be white carbon,
Carbon black N115, carbon black N220, carbon black N330, carbon black N550, carbon black N770 or carbon black N990.
3. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The reinforcing filler be white carbon,
By any than mixing between carbon black N115, carbon black N220, carbon black N330, carbon black N550, carbon black N770 or carbon black N990.
4. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The vulcanizing agent be sulphur, DCP or
TAIC。
5. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The vulcanizing agent be sulphur, DCP or
By any than mixing between in TAIC.
6. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The vulcanization accelerator is thiurams
Vulcanization accelerator TMTD, thiazole accelerator DM, sulfenamide type accelerators CZ or sulfenamide type accelerators NS.
7. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The vulcanization accelerator is thiurams
Any ratio is pressed between Vulcanization accelerator TMTD, thiazole accelerator DM, sulfenamide type accelerators CZ or sulfenamide type accelerators NS
Mixing.
8. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The vulcanizing activator be zinc oxide or
Stearic acid.
9. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The vulcanizing activator be zinc oxide and
Stearic acid is by any than mixing.
10. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The plasticizer is paraffin oil, aromatic hydrocarbons
Oil, coumarone, C5 resins, C9 resins, dioctyl phthalate, liquid butadiene.
11. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The plasticizer is paraffin oil, aromatic hydrocarbons
By any than mixing between oil, coumarone, C5 resins, C9 resins, dioctyl phthalate, liquid butadiene.
12. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The anti-aging agent is anti-aging agent RD, prevents
Old agent 4020, antioxidant MC, antioxidant MB, antioxidant BLE or microwax.
13. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The anti-aging agent is anti-aging agent RD, prevents
By any than mixing between old agent 4020, antioxidant MC, antioxidant MB, antioxidant BLE or microwax.
14. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The Flouride-resistani acid phesphatase auxiliary agent is four oxidations
Three lead, dysprosia, cerium oxide, yttrium oxide, boron oxide, boron carbide or boron nitride.
15. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The Flouride-resistani acid phesphatase auxiliary agent is four oxidations
By any than mixing between three lead, dysprosia, cerium oxide, yttrium oxide, boron oxide, boron carbide or boron nitride.
16. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：Described adhesive is adhesive A and glues
Mixture RS.
17. endurance as described in claim 1 irradiates diaphragm sizing material, it is characterised in that：The antifatigue is carbon nanotube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139084.5A CN108359182A (en) | 2018-02-11 | 2018-02-11 | A kind of endurance irradiation diaphragm sizing material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139084.5A CN108359182A (en) | 2018-02-11 | 2018-02-11 | A kind of endurance irradiation diaphragm sizing material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240757A (en) * | 2019-06-06 | 2019-09-17 | 中国原子能科学研究院 | Ethylene propylene diene rubber flexibility base neutron shielding material and preparation method thereof |
| CN110240758A (en) * | 2019-06-18 | 2019-09-17 | 宁国市正道橡塑零部件有限公司 | A kind of self-lubricating abrasion-resistant rubber material and preparation method thereof |
| CN115232408A (en) * | 2022-08-02 | 2022-10-25 | 西北工业大学 | Anti-radiation ethylene propylene diene monomer composite material and preparation method thereof |
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| CN101864113A (en) * | 2009-04-17 | 2010-10-20 | 江苏华侃核电器材科技有限公司 | Heat shrinkable material for nuclear power station |
| CN102702591A (en) * | 2012-06-25 | 2012-10-03 | 青岛科技大学 | Hydrogenated nitrile rubber/carbon nanotube composite material and preparation method thereof |
| CN102796293A (en) * | 2012-08-16 | 2012-11-28 | 中橡集团曙光橡胶工业研究设计院 | High performance rubber sheath rubber material |
| CN104945694A (en) * | 2014-03-31 | 2015-09-30 | 山东隆源橡胶有限公司 | Oil-resistant flame-retardant covering adhesive and preparation method thereof |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864113A (en) * | 2009-04-17 | 2010-10-20 | 江苏华侃核电器材科技有限公司 | Heat shrinkable material for nuclear power station |
| CN102702591A (en) * | 2012-06-25 | 2012-10-03 | 青岛科技大学 | Hydrogenated nitrile rubber/carbon nanotube composite material and preparation method thereof |
| CN102796293A (en) * | 2012-08-16 | 2012-11-28 | 中橡集团曙光橡胶工业研究设计院 | High performance rubber sheath rubber material |
| CN104945694A (en) * | 2014-03-31 | 2015-09-30 | 山东隆源橡胶有限公司 | Oil-resistant flame-retardant covering adhesive and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240757A (en) * | 2019-06-06 | 2019-09-17 | 中国原子能科学研究院 | Ethylene propylene diene rubber flexibility base neutron shielding material and preparation method thereof |
| CN110240758A (en) * | 2019-06-18 | 2019-09-17 | 宁国市正道橡塑零部件有限公司 | A kind of self-lubricating abrasion-resistant rubber material and preparation method thereof |
| CN115232408A (en) * | 2022-08-02 | 2022-10-25 | 西北工业大学 | Anti-radiation ethylene propylene diene monomer composite material and preparation method thereof |
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Application publication date: 20180803 |