CN103971777A - Nuclear-radiation-preventive hard carbon fiber base thermal insulation material and manufacturing method thereof - Google Patents
Nuclear-radiation-preventive hard carbon fiber base thermal insulation material and manufacturing method thereof Download PDFInfo
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- CN103971777A CN103971777A CN201410183081.3A CN201410183081A CN103971777A CN 103971777 A CN103971777 A CN 103971777A CN 201410183081 A CN201410183081 A CN 201410183081A CN 103971777 A CN103971777 A CN 103971777A
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Abstract
The invention discloses a nuclear-radiation-preventive hard carbon fiber base thermal insulation material and a manufacturing method of the material and belongs to the technical field of thermal insulation materials. According to the material, hard carbon fiber felt serves as a matrix, and flexible lead fiber cloth is fixedly connected to the surface of the hard carbon fiber felt matrix in an adhering mode. The manufacturing method includes the steps that the surface of the ground and washed hard carbon fiber felt matrix is coated with adhesion agents, and then, the ground and washed flexible lead fiber cloth is arranged on the adhesion agents in an adhering mode and is fixed, pressed, dried and cured so that the nuclear-radiation-preventive hard carbon fiber base thermal insulation material can be obtained. The material not only has the thermal insulation and heat preserving effect but also can have strong prevention effect on nuclear radiation, the material can be used for devices or apparatuses needing thermal insulation and nuclear radiation prevention, the material is simple in forming and manufacturing technology and convenient to use, and meanwhile the high temperature prevention effect and the nuclear radiation prevention effect are achieved.
Description
Technical field
The invention belongs to heat-barrier material technical field, particularly a kind of heat-barrier material of anti-nuclear radiation, also relates to its preparation method in addition.
Background technology
Along with the development of modern science and technology, human society is more and more vigorous to the demand of the energy, at present a lot of countries all start to build nuclear power station, utilize nuclear power generation to solve the demand of the energy, but core is applied in when offering convenience to the mankind, brought hidden danger also to the mankind's health, the ray discharging in nuclear reaction can cause serious injury biology, causes the various diseases such as canceration, gene mutation.Therefore, how safety utilize nuclear energy, become the important topic of current scientific circles research.
Utilizing in process of core, the ducted liquid of core, waste water etc. can cause in the time of transport:
1, lost a large amount of heat, increases energy consumption;
2, a large amount of ray of radiation, is detrimental to health;
3, the temperature of core pipeline is higher, is also unfavorable for maintenance staff's constructing operation.
Therefore,, from these two angles, exploitation one had both had thermal insulation function, can have the material of great protective action to seem particularly important to nuclear radiation again.At present domesticly still adopt aspect heat insulation traditional ceramic blankets, the operation such as buried to complete in core pipe insulation, fundamentally do not solve the problem of high temperature, nuclear defence.
Summary of the invention
The object of the invention is to overcome above the deficiencies in the prior art, hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation and preparation method thereof is provided, this heat-barrier material is made by plumbous flexibility fiber cloth is fixedly connected on to hard carbon fibrofelt matrix in the mode of bonding, bonding adopts resinoid bond, after being fixed and clamped, baking and curing obtains the hard carbon fiber base heat-barrier material of anti-nuclear radiation, this material had both had thermal insulation function, can there is great protective action to nuclear radiation again, can be heat insulation for needs and the device or equipment of anti-nuclear radiation on, there is moulding, preparation technology is simple, feature easy to use.
The technical scheme that the present invention adopted is for achieving the above object: a kind of hard carbon fiber base heat-barrier material of anti-nuclear radiation, is characterized in that: using hard carbon fibrofelt as matrix, be fixedly connected with flexible plumbous fiber cloth on hard carbon fibrofelt matrix surface.
The plumbous fiber cloth of described flexibility is fixedly connected on hard carbon fibrofelt matrix surface in the mode of bonding.
A preparation method for the hard carbon fiber base heat-barrier material of anti-nuclear radiation, is characterized in that, comprises the following steps:
(1) base substrate is made:
Hard carbon fibrofelt matrix surface, after polishing, cleaning treatment, is obtained to rough surface; By after plumbous flexibility fiber cloth cutting through polishing and cleaning treatment, obtain rough surface;
(2) molding bonded:
At step (1) hard carbon fibrofelt after treatment matrix surface coated with adhesive, then the plumbous fiber cloth of step (1) flexibility after treatment is pasted on cementing agent, be fixed and clamped, baking and curing, obtains the hard carbon fiber base heat-barrier material of anti-nuclear radiation.
In described step (2), cementing agent is resinoid bond.
Described resinoid bond is thermosetting epoxy resin or thermosetting phenolic resin.
The pressure being fixed and clamped in described step (2) is 0.5-2MPa.
In described step (2), baking and curing temperature is 150-200 DEG C, and the time is 5-12 hour.
Described hard carbon fibrofelt matrix and the flexible plumbous fiber cloth peel strength after by step (2) molding bonded is 0.3-1MPa.
The present invention uses hard carbon fibrofelt as heat-barrier material matrix, the presoma of this hard carbon fibrofelt can be polyacrylonitrile, viscose glue or pitch, this material has the advantages such as coefficient of heat conductivity is little, thermal capacity is low, density is little, linear expansion coefficient is little, high temperature resistant, resistance to sudden heating is strong, chemical resistance is strong, and there is certain radiation shield performance, can under comparatively harsh environmental baseline, apply; On this basis, utilize the main medium of flexible plumbous fiber cloth as anti-nuclear radiation, compound to both by structural design and special process, obtains having the heat-barrier material of nuclear radiation protection function.This materials'use is convenient, has solved the problem of anti-high temperature, anti-nuclear radiation simultaneously.
Beneficial effect of the present invention is:
(1), the heat-proof quality of material is combined with anti-nuclear radiation performance, increased the multifunctionality of material;
(2), adopt flexible plumbous fiber cloth as nuclear radiation protection component, the plasticity of the multifunctional material of formation is high, can manufacture moulding according to environment for use, has improved the diversity of its application, for example flat board, cylinder, abnormity etc.;
(3), reduced plumbous serviceability temperature during as nuclear defence, ensured the safe reliability of material.
Brief description of the drawings
Fig. 1 is a kind of structural representation of hard carbon fiber base heat-barrier material of anti-nuclear radiation.
In figure: 1, flexible plumbous fiber cloth, 2, bonding agent, 3, hard carbon fibrofelt
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but the present invention is not limited to specific embodiment.
Embodiment 1
The hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation as shown in Figure 1, using hard carbon fibrofelt as matrix, on hard carbon fibrofelt matrix surface, be fixedly connected with flexible plumbous fiber cloth, flexible plumbous fiber cloth is fixedly connected on hard carbon fibrofelt matrix surface in the mode of bonding.The presoma of this hard carbon fibrofelt is pitch, and flexible plumbous fiber cloth is the fiber of the hot candied one-tenth of lead alloy, and its principal ingredient is the alloying elements such as lead, boron, and flexible plumbous fiber cloth, than lead or the soft hard of stereotype, can be bonded to various shapes.
The preparation method of the hard carbon fiber base heat-barrier material of this anti-nuclear radiation, comprises the following steps:
(1) base substrate is made:
Hard carbon fibrofelt matrix surface, after polishing, cleaning treatment, is obtained to rough surface; By after plumbous flexibility fiber cloth cutting through polishing and cleaning treatment, obtain rough surface;
(2) moulding:
Step (1) hard carbon fibrofelt after treatment matrix and flexible plumbous fiber cloth are carried out to molding bonded by cementing agent, obtain the hard carbon fiber base heat-barrier material of anti-nuclear radiation.
The concrete technology of molding bonded is: at step (1) hard carbon fibrofelt after treatment matrix surface coated with resins cementing agent, then the plumbous fiber cloth of step (1) flexibility after treatment is pasted on resinoid bond, be fixed and clamped with mould, baking and curing, resinoid bond is thermosetting epoxy resin, and the pressure being fixed and clamped is 0.5MPa, and baking and curing temperature is 200 DEG C, time is 5 hours, obtains the hard carbon fiber base heat-barrier material of the anti-nuclear radiation of sizing.Hard carbon fibrofelt matrix and the flexible plumbous fiber cloth peel strength after by molding bonded in step (2) is 0.3MPa.When practical application, attention in cold junction, farthest weakens the harm of nuclear radiation by plumbous flexibility fiber cloth one side, also can avoid losing efficacy because excess Temperature causes plumbous thawing.
Embodiment 2
The hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation as shown in Figure 1, using hard carbon fibrofelt as matrix, on hard carbon fibrofelt matrix surface, be fixedly connected with flexible plumbous fiber cloth, flexible plumbous fiber cloth is fixedly connected on hard carbon fibrofelt matrix surface in the mode of bonding.The presoma of this hard carbon fibrofelt is that polypropylene is fine, and flexible plumbous fiber cloth is the fiber of the hot candied one-tenth of lead alloy, and its principal ingredient is the alloying elements such as lead, boron, and flexible plumbous fiber cloth, than lead or the soft hard of stereotype, can be bonded to various shapes.
The preparation method of the hard carbon fiber base heat-barrier material of this anti-nuclear radiation, comprises the following steps:
(1) base substrate is made:
Hard carbon fibrofelt matrix surface, after polishing, cleaning treatment, is obtained to rough surface; By after plumbous flexibility fiber cloth cutting through polishing and cleaning treatment, obtain rough surface;
(2) moulding:
Step (1) hard carbon fibrofelt after treatment matrix and flexible plumbous fiber cloth are carried out to molding bonded by cementing agent, obtain the hard carbon fiber base heat-barrier material of anti-nuclear radiation.
The concrete technology of molding bonded is: at step (1) hard carbon fibrofelt after treatment matrix surface coated with resins cementing agent, then the plumbous fiber cloth of step (1) flexibility after treatment is pasted on resinoid bond, be fixed and clamped with mould, baking and curing, resinoid bond is thermosetting phenolic resin, and the pressure being fixed and clamped is 2MPa, and baking and curing temperature is 150 DEG C, time is 12 hours, obtains the hard carbon fiber base heat-barrier material of the anti-nuclear radiation of sizing.Hard carbon fibrofelt matrix and the flexible plumbous fiber cloth peel strength after by molding bonded in step (2) is 1MPa.When practical application, attention in cold junction, farthest weakens the harm of nuclear radiation by plumbous flexibility fiber cloth one side, also can avoid losing efficacy because excess Temperature causes plumbous thawing.
Embodiment 3
The hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation as shown in Figure 1, using hard carbon fibrofelt as matrix, on hard carbon fibrofelt matrix surface, be fixedly connected with flexible plumbous fiber cloth, flexible plumbous fiber cloth is fixedly connected on hard carbon fibrofelt matrix surface in the mode of bonding.The presoma of this hard carbon fibrofelt is that polypropylene is fine, and flexible plumbous fiber cloth is the fiber of the hot candied one-tenth of lead alloy, and its principal ingredient is the alloying elements such as lead, boron, and flexible plumbous fiber cloth, than lead or the soft hard of stereotype, can be bonded to various shapes.
The preparation method of the hard carbon fiber base heat-barrier material of this anti-nuclear radiation, comprises the following steps:
(1) base substrate is made:
Hard carbon fibrofelt matrix surface, after polishing, cleaning treatment, is obtained to rough surface; By after plumbous flexibility fiber cloth cutting through polishing and cleaning treatment, obtain rough surface;
(2) moulding:
Step (1) hard carbon fibrofelt after treatment matrix and flexible plumbous fiber cloth are carried out to molding bonded by cementing agent, obtain the hard carbon fiber base heat-barrier material of anti-nuclear radiation.
The concrete technology of molding bonded is: at step (1) hard carbon fibrofelt after treatment matrix surface coated with resins cementing agent, then the plumbous fiber cloth of step (1) flexibility after treatment is pasted on resinoid bond, be fixed and clamped with mould, baking and curing, resinoid bond is thermosetting phenolic resin, and the pressure being fixed and clamped is 1MPa, and baking and curing temperature is 180 DEG C, time is 8 hours, obtains the hard carbon fiber base heat-barrier material of the anti-nuclear radiation of sizing.Hard carbon fibrofelt matrix and the flexible plumbous fiber cloth peel strength after by molding bonded in step (2) is 0.7MPa.When practical application, attention in cold junction, farthest weakens the harm of nuclear radiation by plumbous flexibility fiber cloth one side, also can avoid losing efficacy because excess Temperature causes plumbous thawing.
Claims (8)
1. a hard carbon fiber base heat-barrier material for anti-nuclear radiation, is characterized in that: using hard carbon fibrofelt as matrix, be fixedly connected with flexible plumbous fiber cloth on hard carbon fibrofelt matrix surface.
2. the hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation according to claim 1, is characterized in that: the plumbous fiber cloth of described flexibility is fixedly connected on hard carbon fibrofelt matrix surface in the mode of bonding.
3. the preparation method of the hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation according to claim 1, is characterized in that, comprises the following steps:
(1) base substrate is made:
Hard carbon fibrofelt matrix surface, after polishing, cleaning treatment, is obtained to rough surface; By after plumbous flexibility fiber cloth cutting through polishing and cleaning treatment, obtain rough surface;
(2) molding bonded:
At step (1) hard carbon fibrofelt after treatment matrix surface coated with adhesive, then the plumbous fiber cloth of step (1) flexibility after treatment is pasted on cementing agent, be fixed and clamped, baking and curing, obtains the hard carbon fiber base heat-barrier material of anti-nuclear radiation.
4. the preparation method of the hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation according to claim 3, is characterized in that, in described step (2), cementing agent is resinoid bond.
5. the preparation method of the hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation according to claim 4, is characterized in that, described resinoid bond is thermosetting epoxy resin or thermosetting phenolic resin.
6. the preparation method of the hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation according to claim 3, is characterized in that, the pressure being fixed and clamped in described step (2) is 0.5-2MPa.
7. the preparation method of the hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation according to claim 3, is characterized in that, in described step (2), baking and curing temperature is 150-200 DEG C, and the time is 5-12 hour.
8. the preparation method of the hard carbon fiber base heat-barrier material of a kind of anti-nuclear radiation according to claim 3, it is characterized in that, described hard carbon fibrofelt matrix and the flexible plumbous fiber cloth peel strength after by step (2) molding bonded is 0.3-1MPa.
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| CN201410183081.3A CN103971777A (en) | 2014-04-30 | 2014-04-30 | Nuclear-radiation-preventive hard carbon fiber base thermal insulation material and manufacturing method thereof |
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| CN201410183081.3A CN103971777A (en) | 2014-04-30 | 2014-04-30 | Nuclear-radiation-preventive hard carbon fiber base thermal insulation material and manufacturing method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2479115Y (en) * | 2001-06-08 | 2002-02-27 | 朱英 | Screen decorative bunting |
| CN1764987A (en) * | 2003-03-18 | 2006-04-26 | 日本钨合金株式会社 | Shielding material |
| US20110068283A1 (en) * | 2009-09-23 | 2011-03-24 | National Taiwan University | Electromagnetic wave absorption component and device |
| CN102651244A (en) * | 2012-05-19 | 2012-08-29 | 扬州锦江有色金属有限公司 | Nuclear radiation shielding product woven alloy lead filament chip |
| JP2013044737A (en) * | 2011-08-19 | 2013-03-04 | Self:Kk | Radiation shield |
| CN103045983A (en) * | 2012-12-27 | 2013-04-17 | 大连理工大学 | Preparation method of carbon fiber-based high-temperature heat-insulating material with surface tungsten coating |
| CN103489514A (en) * | 2013-10-16 | 2014-01-01 | 江苏昊达有限责任公司 | Armoring steel tape for special cable |
-
2014
- 2014-04-30 CN CN201410183081.3A patent/CN103971777A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2479115Y (en) * | 2001-06-08 | 2002-02-27 | 朱英 | Screen decorative bunting |
| CN1764987A (en) * | 2003-03-18 | 2006-04-26 | 日本钨合金株式会社 | Shielding material |
| US20110068283A1 (en) * | 2009-09-23 | 2011-03-24 | National Taiwan University | Electromagnetic wave absorption component and device |
| JP2013044737A (en) * | 2011-08-19 | 2013-03-04 | Self:Kk | Radiation shield |
| CN102651244A (en) * | 2012-05-19 | 2012-08-29 | 扬州锦江有色金属有限公司 | Nuclear radiation shielding product woven alloy lead filament chip |
| CN103045983A (en) * | 2012-12-27 | 2013-04-17 | 大连理工大学 | Preparation method of carbon fiber-based high-temperature heat-insulating material with surface tungsten coating |
| CN103489514A (en) * | 2013-10-16 | 2014-01-01 | 江苏昊达有限责任公司 | Armoring steel tape for special cable |
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Application publication date: 20140806 |