CN106009102A - Insulating material for nuclear power plant and production technology thereof - Google Patents
Insulating material for nuclear power plant and production technology thereof Download PDFInfo
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- CN106009102A CN106009102A CN201610441951.1A CN201610441951A CN106009102A CN 106009102 A CN106009102 A CN 106009102A CN 201610441951 A CN201610441951 A CN 201610441951A CN 106009102 A CN106009102 A CN 106009102A
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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
- 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
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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
- C08L25/00—Compositions 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 an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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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
- C08L2201/02—Flame or fire retardant/resistant
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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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- 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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Abstract
The invention discloses an insulating material for a nuclear power plant and a production technology thereof. The insulating material is prepared from, by weight, 30-50 parts of a rubber matrix, 15-30 parts of a fire retardant, 8-12 parts of a silane coupling agent, 10-20 parts of chlorinated polyethylene, 1-4 parts of an ultraviolet absorber, 4-10 parts of methyl tin mercaptide, 5-15 parts of a toughening modifier, 15-25 parts of a polyolefin compound, 15-30 parts of polystyrene resin, 8-15 parts of nano-silica, 8-15 parts of crosslinked fluororesin, 10-15 parts of a compound antioxidant and 10-30 parts of reinforcing fibers. The preparation technology is simple, and the preparation process is environmentally friendly and free of pollution; the prepared material has excellent acid and alkali resistance, high temperature resistance, fire retardance and irradiation resistance, is long in service life and can widely serve as cable insulating materials for a nuclear power plant.
Description
Technical field
The present invention relates to insulant preparing technical field, be specially a kind of used in nuclear power station insulant and production technology thereof.
Background technology
After Fukushima, Japan event, various countries more pay attention to Nuclear Safety problem.Our country is the most positive must carry out the higher introduction obtaining Generation Ⅲ of safety and independent research, introduces from the western room of the U.S. at present
AP1000 Generation Ⅲ, the CAP1400 Generation Ⅲ of state's core independent research and center and in the ACP1000 Generation Ⅲ of wide core cooperation be that " No. Hua Longyi " nuclear power technology is all in actively pushing forward, the propelling of Generation Ⅲ, proposes requirements at the higher level to insulant in nuclear power station shell；Insulant in so-called containment, refer under seismic (seismal effect and the function of its regulation of having had the ability under industrial and mineral after normal industrial and mineral, design basis accident and major accident industrial and mineral and accident, but the insulant of existing power cable for nuclear power plant is corrosion-resistant, anti-pressure ability is poor, and service life is short.
Summary of the invention
It is an object of the invention to provide a kind of used in nuclear power station insulant and production technology thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of used in nuclear power station insulant, insulative composition includes rubber matrix 30-50 part, fire retardant 15-30 part, silane coupler 8-12 part, chlorinated polyethylene 10-20 part, UV absorbent 1-4 part, Methyl stannum mercaptide 4-10 part, plasticized modifier 5-15 part, polyolefin complex 15-25 part, polystyrene resin 15-30 part, nanometer grade silica 8-15 part, cross-linking type fluororesin 8-15 part, composite type antioxidant agent 10-15 part and reinforcing fiber 10-30 part by weight.
Preferably, described rubber matrix is made up of 30% EP rubbers, nitrile rubber 50% and 20% methyl trifluoro propyl silicone rubber.
Preferably, described reinforcing fiber is made up of 30% steel fibre, 30% glass fibre, 40% Plant fiber's mixing.
Preferably, preferred composition proportion is: rubber matrix 40 parts, fire retardant 25 parts, silane coupler 10 parts, chlorinated polyethylene 15 parts, UV absorbent 3 parts, Methyl stannum mercaptide 7 parts, plasticized modifier 10 parts, polyolefin complex 20 parts, polystyrene resin 22 parts, nanometer grade silica 12 parts, cross-linking type fluororesin 12 parts, composite type antioxidant agent 12 parts and reinforcing fiber 20 parts.
Preferably, its production technology comprises the following steps:
A, rubber matrix, fire retardant, silane coupler, chlorinated polyethylene, UV absorbent being added in reactor and carry out adding hot mixing, heating-up temperature is 80 DEG C-100 DEG C, and heat time heating time is 25min-35min, obtains A mixture；
B, in A mixture add Methyl stannum mercaptide, plasticized modifier, polyolefin complex, polystyrene resin, nanometer grade silica, cross-linking type fluororesin mixing after put into banbury is carried out mixing, melting temperature is 130 DEG C-150 DEG C, mixing time is 10min-20min, obtains B mixture；
C, adding composite type antioxidant agent and reinforcing fiber carry out high-speed stirred in B mixture, stir speed (S.S.) is 3000-5000 rev/min, and mixing time is 15min-30min, obtains C mixture；
D, C mixture is discharged in double screw extruder, is expressed in injection machine after batch mixing is completely melted, injection mo(u)lding and get final product at 195 DEG C.
Compared with prior art, the invention has the beneficial effects as follows: processing technology of the present invention is simple, manufacturing process is environment friendly and pollution-free, the material prepared has the acid and alkali-resistance of excellence, high temperature resistant, fire-retardant, radiation-resistant property, and service life is long, is widely used as cables of nuclear power insulant；Reinforcing fiber in the present invention is made up of 30% steel fibre, 30% glass fibre, 40% Plant fiber's mixing, by increasing capacitance it is possible to increase the elasticity of cable and toughness, improves its anti-pressure ability.
Detailed description of the invention
Below the technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is only a part of embodiment of the present invention; rather than whole embodiments; based on the embodiment in the present invention; the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
The present invention provides a kind of technical scheme: a kind of used in nuclear power station insulant, insulative composition includes rubber matrix 30-50 part, fire retardant 15-30 part, silane coupler 8-12 part, chlorinated polyethylene 10-20 part, UV absorbent 1-4 part, Methyl stannum mercaptide 4-10 part, plasticized modifier 5-15 part, polyolefin complex 15-25 part, polystyrene resin 15-30 part, nanometer grade silica 8-15 part, cross-linking type fluororesin 8-15 part, composite type antioxidant agent 10-15 part and reinforcing fiber 10-30 part by weight.
Embodiment one:
The composition proportion used is: rubber matrix 30 parts, fire retardant 15 parts, silane coupler 8 parts, chlorinated polyethylene 10 parts, UV absorbent 1 part, Methyl stannum mercaptide 4 parts, plasticized modifier 5 parts, polyolefin complex 15 parts, polystyrene resin 15 parts, nanometer grade silica 8 parts, cross-linking type fluororesin 8 parts, composite type antioxidant agent 10 parts and reinforcing fiber 10 parts.
In the present embodiment, rubber matrix is made up of 30% EP rubbers, nitrile rubber 50% and 20% methyl trifluoro propyl silicone rubber.
In the present embodiment, reinforcing fiber is made up of 30% steel fibre, 30% glass fibre, 40% Plant fiber's mixing.
The production technology of the present embodiment comprises the following steps:
A, rubber matrix, fire retardant, silane coupler, chlorinated polyethylene, UV absorbent being added in reactor and carry out adding hot mixing, heating-up temperature is 80 DEG C, and heat time heating time is 25min, obtains A mixture；
B, in A mixture add Methyl stannum mercaptide, plasticized modifier, polyolefin complex, polystyrene resin, nanometer grade silica, cross-linking type fluororesin mixing after put into banbury is carried out mixing, melting temperature is 130 DEG C, mixing time is 10min, obtains B mixture；
C, adding composite type antioxidant agent and reinforcing fiber carry out high-speed stirred in B mixture, stir speed (S.S.) is 3000 revs/min, and mixing time is 15min, obtains C mixture；
D, C mixture is discharged in double screw extruder, is expressed in injection machine after batch mixing is completely melted, injection mo(u)lding and get final product at 195 DEG C.
Embodiment two:
The composition proportion used is: rubber matrix 35 parts, fire retardant 18 parts, silane coupler 9 parts, chlorinated polyethylene 12 parts, UV absorbent 2 parts, Methyl stannum mercaptide 5 parts, plasticized modifier 7 parts, polyolefin complex 17 parts, polystyrene resin 17 parts, nanometer grade silica 9 parts, cross-linking type fluororesin 9 parts, composite type antioxidant agent 11 parts and reinforcing fiber 12 parts.
In the present embodiment, rubber matrix is made up of 30% EP rubbers, nitrile rubber 50% and 20% methyl trifluoro propyl silicone rubber.
In the present embodiment, reinforcing fiber is made up of 30% steel fibre, 30% glass fibre, 40% Plant fiber's mixing.
The production technology of the present embodiment comprises the following steps:
A, rubber matrix, fire retardant, silane coupler, chlorinated polyethylene, UV absorbent being added in reactor and carry out adding hot mixing, heating-up temperature is 85 DEG C, and heat time heating time is 28min, obtains A mixture；
B, in A mixture add Methyl stannum mercaptide, plasticized modifier, polyolefin complex, polystyrene resin, nanometer grade silica, cross-linking type fluororesin mixing after put into banbury is carried out mixing, melting temperature is 135 DEG C, mixing time is 12min, obtains B mixture；
C, adding composite type antioxidant agent and reinforcing fiber carry out high-speed stirred in B mixture, stir speed (S.S.) is 3200 revs/min, and mixing time is 17min, obtains C mixture；
D, C mixture is discharged in double screw extruder, is expressed in injection machine after batch mixing is completely melted, injection mo(u)lding and get final product at 195 DEG C.
Embodiment three:
The composition proportion used is: rubber matrix 50 parts, fire retardant 30 parts, silane coupler 12 parts, chlorinated polyethylene 20 parts, UV absorbent 4 parts, Methyl stannum mercaptide 10 parts, plasticized modifier 15 parts, polyolefin complex 25 parts, polystyrene resin 30 parts, nanometer grade silica 15 parts, cross-linking type fluororesin 15 parts, composite type antioxidant agent 15 parts and reinforcing fiber 30 parts.
In the present embodiment, rubber matrix is made up of 30% EP rubbers, nitrile rubber 50% and 20% methyl trifluoro propyl silicone rubber.
In the present embodiment, reinforcing fiber is made up of 30% steel fibre, 30% glass fibre, 40% Plant fiber's mixing.
The production technology of the present embodiment comprises the following steps:
A, rubber matrix, fire retardant, silane coupler, chlorinated polyethylene, UV absorbent being added in reactor and carry out adding hot mixing, heating-up temperature is 100 DEG C, and heat time heating time is 35min, obtains A mixture；
B, in A mixture add Methyl stannum mercaptide, plasticized modifier, polyolefin complex, polystyrene resin, nanometer grade silica, cross-linking type fluororesin mixing after put into banbury is carried out mixing, melting temperature is 150 DEG C, mixing time is 20min, obtains B mixture；
C, adding composite type antioxidant agent and reinforcing fiber carry out high-speed stirred in B mixture, stir speed (S.S.) is 5000 revs/min, and mixing time is 30min, obtains C mixture；
D, C mixture is discharged in double screw extruder, is expressed in injection machine after batch mixing is completely melted, injection mo(u)lding and get final product at 195 DEG C.
Embodiment four:
The composition proportion used is: rubber matrix 45 parts, fire retardant 25 parts, silane coupler 11 parts, chlorinated polyethylene 18 parts, UV absorbent 3 parts, Methyl stannum mercaptide 8 parts, plasticized modifier 14 parts, polyolefin complex 24 parts, polystyrene resin 28 parts, nanometer grade silica 14 parts, cross-linking type fluororesin 14 parts, composite type antioxidant agent 14 parts and reinforcing fiber 28 parts.
In the present embodiment, rubber matrix is made up of 30% EP rubbers, nitrile rubber 50% and 20% methyl trifluoro propyl silicone rubber.
In the present embodiment, reinforcing fiber is made up of 30% steel fibre, 30% glass fibre, 40% Plant fiber's mixing.
The production technology of the present embodiment comprises the following steps:
A, rubber matrix, fire retardant, silane coupler, chlorinated polyethylene, UV absorbent being added in reactor and carry out adding hot mixing, heating-up temperature is 95 DEG C, and heat time heating time is 32min, obtains A mixture；
B, in A mixture add Methyl stannum mercaptide, plasticized modifier, polyolefin complex, polystyrene resin, nanometer grade silica, cross-linking type fluororesin mixing after put into banbury is carried out mixing, melting temperature is 145 DEG C, mixing time is 18min, obtains B mixture；
C, adding composite type antioxidant agent and reinforcing fiber carry out high-speed stirred in B mixture, stir speed (S.S.) is 4800 revs/min, and mixing time is 28min, obtains C mixture；
D, C mixture is discharged in double screw extruder, is expressed in injection machine after batch mixing is completely melted, injection mo(u)lding and get final product at 195 DEG C.
Embodiment five:
The composition proportion used is: rubber matrix 40 parts, fire retardant 25 parts, silane coupler 10 parts, chlorinated polyethylene 15 parts, UV absorbent 3 parts, Methyl stannum mercaptide 7 parts, plasticized modifier 10 parts, polyolefin complex 20 parts, polystyrene resin 22 parts, nanometer grade silica 12 parts, cross-linking type fluororesin 12 parts, composite type antioxidant agent 12 parts and reinforcing fiber 20 parts.
In the present embodiment, rubber matrix is made up of 30% EP rubbers, nitrile rubber 50% and 20% methyl trifluoro propyl silicone rubber.
In the present embodiment, reinforcing fiber is made up of 30% steel fibre, 30% glass fibre, 40% Plant fiber's mixing.
The production technology of the present embodiment comprises the following steps:
A, rubber matrix, fire retardant, silane coupler, chlorinated polyethylene, UV absorbent being added in reactor and carry out adding hot mixing, heating-up temperature is 90 DEG C, and heat time heating time is 30min, obtains A mixture；
B, in A mixture add Methyl stannum mercaptide, plasticized modifier, polyolefin complex, polystyrene resin, nanometer grade silica, cross-linking type fluororesin mixing after put into banbury is carried out mixing, melting temperature is 140 DEG C, mixing time is 15min, obtains B mixture；
C, adding composite type antioxidant agent and reinforcing fiber carry out high-speed stirred in B mixture, stir speed (S.S.) is 4000 revs/min, and mixing time is 22min, obtains C mixture；
D, C mixture is discharged in double screw extruder, is expressed in injection machine after batch mixing is completely melted, injection mo(u)lding and get final product at 195 DEG C.
The insulant that common insulant and various embodiments of the present invention prepare is carried out tensile strength, fracture elongation and insulation resistance test, obtains data such as following table:
From upper table experimental data, the insulant that embodiment five prepares can reach optimum performance.
Processing technology of the present invention is simple, manufacturing process is environment friendly and pollution-free, and the material prepared has the acid and alkali-resistance of excellence, high temperature resistant, fire-retardant, radiation-resistant property, and service life is long, is widely used as cables of nuclear power insulant；Reinforcing fiber in the present invention is made up of 30% steel fibre, 30% glass fibre, 40% Plant fiber's mixing, by increasing capacitance it is possible to increase the elasticity of cable and toughness, improves its anti-pressure ability.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can carry out multiple change without departing from the principles and spirit of the present invention, revise, replace and modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a used in nuclear power station insulant, it is characterised in that: insulative composition includes rubber matrix 30-50 part, fire retardant 15-30 part, silane coupler 8-12 part, chlorinated polyethylene 10-20 part, UV absorbent 1-4 part, Methyl stannum mercaptide 4-10 part, plasticized modifier 5-15 part, polyolefin complex 15-25 part, polystyrene resin 15-30 part, nanometer grade silica 8-15 part, cross-linking type fluororesin 8-15 part, composite type antioxidant agent 10-15 part and reinforcing fiber 10-30 part by weight.
A kind of used in nuclear power station insulant the most according to claim 1, it is characterised in that: described rubber matrix is made up of 30% EP rubbers, nitrile rubber 50% and 20% methyl trifluoro propyl silicone rubber.
A kind of used in nuclear power station insulant the most according to claim 1, it is characterised in that: described reinforcing fiber is made up of 30% steel fibre, 30% glass fibre, 40% Plant fiber's mixing.
A kind of used in nuclear power station insulant the most according to claim 1, it is characterised in that: preferably composition proportion is: rubber matrix 40 parts, fire retardant 25 parts, silane coupler 10 parts, chlorinated polyethylene 15 parts, UV absorbent 3 parts, Methyl stannum mercaptide 7 parts, plasticized modifier 10 parts, polyolefin complex 20 parts, polystyrene resin 22 parts, nanometer grade silica 12 parts, cross-linking type fluororesin 12 parts, composite type antioxidant agent 12 parts and reinforcing fiber 20 parts.
A kind of used in nuclear power station insulant the most according to claim 1, it is characterised in that: its production technology comprises the following steps:
A, rubber matrix, fire retardant, silane coupler, chlorinated polyethylene, UV absorbent being added in reactor and carry out adding hot mixing, heating-up temperature is 80 DEG C-100 DEG C, and heat time heating time is 25min-35min, obtains A mixture；
B, in A mixture add Methyl stannum mercaptide, plasticized modifier, polyolefin complex, polystyrene resin, nanometer grade silica, cross-linking type fluororesin mixing after put into banbury is carried out mixing, melting temperature is 130 DEG C-150 DEG C, mixing time is 10min-20min, obtains B mixture；
C, adding composite type antioxidant agent and reinforcing fiber carry out high-speed stirred in B mixture, stir speed (S.S.) is 3000-5000 rev/min, and mixing time is 15min-30min, obtains C mixture；
D, C mixture is discharged in double screw extruder, is expressed in injection machine after batch mixing is completely melted, injection mo(u)lding and get final product at 195 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610441951.1A CN106009102A (en) | 2016-06-20 | 2016-06-20 | Insulating material for nuclear power plant and production technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610441951.1A CN106009102A (en) | 2016-06-20 | 2016-06-20 | Insulating material for nuclear power plant and production technology thereof |
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| CN201610441951.1A Pending CN106009102A (en) | 2016-06-20 | 2016-06-20 | Insulating material for nuclear power plant and production technology thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107151357A (en) * | 2017-04-19 | 2017-09-12 | 安徽华电线缆集团有限公司 | A kind of floating power station vibration resistance tension UV resistant high-low temperature resistant CABLE MATERIALS |
| CN108384249A (en) * | 2018-03-12 | 2018-08-10 | 合肥尚强电气科技有限公司 | A kind of insulating materials and preparation method thereof of Current Transformer Secondary overvoltage protection device |
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| CN102911465A (en) * | 2012-09-18 | 2013-02-06 | 铜陵市铜都特种线缆厂 | Fireproof power supply cable material with high flame retardance and preparation method thereof |
| CN103881246A (en) * | 2014-04-14 | 2014-06-25 | 上海三原电缆附件有限公司 | Insulating material for high-voltage direct-current cable accessories and preparation method of insulating material |
| CN104008807A (en) * | 2014-04-23 | 2014-08-27 | 晶锋集团股份有限公司 | Low-smoke power cable for ship |
| CN104610663A (en) * | 2015-01-15 | 2015-05-13 | 无为县华祥电缆材料有限公司 | Aging-resistant and low-temperature-resistant EPDM (ethylene-propylene-diene monomer) rubber cable material |
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2016
- 2016-06-20 CN CN201610441951.1A patent/CN106009102A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911465A (en) * | 2012-09-18 | 2013-02-06 | 铜陵市铜都特种线缆厂 | Fireproof power supply cable material with high flame retardance and preparation method thereof |
| CN103881246A (en) * | 2014-04-14 | 2014-06-25 | 上海三原电缆附件有限公司 | Insulating material for high-voltage direct-current cable accessories and preparation method of insulating material |
| CN104008807A (en) * | 2014-04-23 | 2014-08-27 | 晶锋集团股份有限公司 | Low-smoke power cable for ship |
| CN104610663A (en) * | 2015-01-15 | 2015-05-13 | 无为县华祥电缆材料有限公司 | Aging-resistant and low-temperature-resistant EPDM (ethylene-propylene-diene monomer) rubber cable material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107151357A (en) * | 2017-04-19 | 2017-09-12 | 安徽华电线缆集团有限公司 | A kind of floating power station vibration resistance tension UV resistant high-low temperature resistant CABLE MATERIALS |
| CN108384249A (en) * | 2018-03-12 | 2018-08-10 | 合肥尚强电气科技有限公司 | A kind of insulating materials and preparation method thereof of Current Transformer Secondary overvoltage protection device |
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