CN105086373A - Vacuum insulating material - Google Patents
Vacuum insulating material Download PDFInfo
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- CN105086373A CN105086373A CN201510605505.5A CN201510605505A CN105086373A CN 105086373 A CN105086373 A CN 105086373A CN 201510605505 A CN201510605505 A CN 201510605505A CN 105086373 A CN105086373 A CN 105086373A
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Abstract
The invention discloses a vacuum insulating material. The vacuum insulating material comprises, by weight, 25-50 parts of epoxy resin, 6-12 parts of polypropylene reinforcement fibers, 10-15 parts of nanoscale aluminum hydroxide particles, 5-15 parts of curing agents, 2-3 parts of alkali latex, 5-10 parts of silicon dioxide and 10-25 parts of expanded graphite flame retardant. In this way, the vacuum insulating material is easy to get; the prepared vacuum insulating material not only reduces the specific resistance, but also has good flame retardation, the long service life of a vacuum insulator is guaranteed, and the using safety of the vacuum insulator is improved.
Description
Technical field
The present invention relates to the field of vacuum technique, particularly relate to a kind of vacuum insulation.
Background technology
The common discharge type of vacuum insulator is edge flashing, after electric discharge, the electric charge of insulator surface can not disappear very soon, these electric charges being present in insulator surface can make the edge flashing intensity of insulator reduce on the one hand, on the other hand, when residual charge runs up to a certain degree, can puncture when internal field strengthens, make insulator produce unrepairable and destroy.
In prior art, respectively by the performance using the method for new insulating material and interpolation hydrated alumina particles to improve vacuum insulator.The former comprises urethane, crosslinked polystyrene, acrylic resin etc. by new insulating material used, although improve electric property and the mechanical property of insulator, but still can not extend the work-ing life of insulator; The hydrated alumina particles that the latter adds by all pressing and forming the resistivity that water adsorption film reduces material surface, and then facilitates the disappearance of residual charge, extends the life-span of insulator.
But in the last few years, along with pulse power device is to more high-octane future development, hydrated alumina particles when the water adsorption film that insulator surface produces at electrion, very easily cause electrical spark, even initiation fire under the clear condition of high electric energy, the security of use declines.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of vacuum insulation, easy realization, prepared vacuum insulation not only reduces resistivity, and has splendid flame retardant properties, not only ensure that vacuum insulator higher work-ing life, and improve its safety in utilization.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of vacuum insulation, comprise the raw material of following weight part:
Epoxy resin 25-50 part;
Polypropylene fortifying fibre 6-12 part;
Nano level hydrated alumina particles 10-15 part;
Solidifying agent 5-15 part;
Alkali latex 2-3 part;
Silicon-dioxide 5-10 part;
Expanded graphite fire retardant 10-25 part.
In a preferred embodiment of the present invention, described solidifying agent adopts aromatic polyamine.
In a preferred embodiment of the present invention, the diameter of described nano level hydrated alumina particles is 150-650nm.
In a preferred embodiment of the present invention, the order number of described expanded graphite fire retardant is 250-450 order, and fixed carbon content is 95-99%.
The invention has the beneficial effects as follows: vacuum insulation of the present invention, prepared vacuum insulation not only reduces resistivity, and has splendid flame retardant properties, not only ensure that vacuum insulator higher work-ing life, and improves its safety in utilization.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention comprises:
A kind of vacuum insulation, comprises the raw material of following weight part:
Epoxy resin 25-50 part;
Polypropylene fortifying fibre 6-12 part;
Nano level hydrated alumina particles 10-15 part;
Solidifying agent 5-15 part;
Alkali latex 2-3 part;
Silicon-dioxide 5-10 part;
Expanded graphite fire retardant 10-25 part.
In above-mentioned, described solidifying agent adopts aromatic polyamine.
Further, the diameter of described nano level hydrated alumina particles is 150-650nm; The order number of described expanded graphite fire retardant is 250-450 order, and fixed carbon content is 95-99%.
Embodiment:
By the epoxy resin of 35 parts, the polypropylene of 10 parts increases fiber, the nano level hydrated alumina particles of 8 parts is heated to 60 DEG C, the solidifying agent of 5 parts, the alkali latex of 3 parts, the expanded graphite fire retardant of the silicon-dioxide of 7 parts and 20 parts is put into vacuum chamber and to be bled 30min, the baking oven putting into 60 DEG C after taking-up is incubated 10min, put into vacuum chamber again and vacuumize 30min, until surface does not have bubble, then mould is placed in an oven in advance, be incubated 60 DEG C, compound is slowly imported mould, be warming up to 100 DEG C, insulation 2h, be warming up to 120 DEG C again, be incubated 2h again, namely specimen material is prepared complete.
The technical parameter of vacuum insulation prepared by aforesaid method is: surface resistivity 2.5 × 1011 Ω m, my V-0 level of limiting oxygen index(LOI) 33%, UL-94 vertical combustion.
In sum, the vacuum insulation of invention, prepared vacuum insulation not only reduces resistivity, and has splendid flame retardant properties, not only ensure that vacuum insulator higher work-ing life, and improves its safety in utilization.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a vacuum insulation, is characterized in that, comprises the raw material of following weight part:
Epoxy resin 25-50 part;
Polypropylene fortifying fibre 6-12 part;
Nano level hydrated alumina particles 10-15 part;
Solidifying agent 5-15 part;
Alkali latex 2-3 part;
Silicon-dioxide 5-10 part;
Expanded graphite fire retardant 10-25 part.
2. vacuum insulation according to claim 1, is characterized in that, described solidifying agent adopts aromatic polyamine.
3. vacuum insulation according to claim 1, is characterized in that, the diameter of described nano level hydrated alumina particles is 150-650nm.
4. vacuum insulation according to claim 1, is characterized in that, the order number of described expanded graphite fire retardant is 250-450 order, and fixed carbon content is 95-99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605505.5A CN105086373A (en) | 2015-09-22 | 2015-09-22 | Vacuum insulating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605505.5A CN105086373A (en) | 2015-09-22 | 2015-09-22 | Vacuum insulating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105086373A true CN105086373A (en) | 2015-11-25 |
Family
ID=54567753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510605505.5A Pending CN105086373A (en) | 2015-09-22 | 2015-09-22 | Vacuum insulating material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105086373A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281238A (en) * | 2015-11-26 | 2016-01-27 | 国家电网公司 | Multi-purpose security frame for power transformation device maintenance |
| CN105820402A (en) * | 2016-05-31 | 2016-08-03 | 苏州普京真空技术有限公司 | Heat-conductive flame-retardant insulating material |
| CN105907041A (en) * | 2016-06-17 | 2016-08-31 | 无锡英普林纳米科技有限公司 | Nano insulation material and preparation method thereof |
| CN105924780A (en) * | 2016-05-31 | 2016-09-07 | 苏州普京真空技术有限公司 | Vacuum insulating material |
| CN105949618A (en) * | 2016-05-31 | 2016-09-21 | 苏州普京真空技术有限公司 | Heat-conducting insulating material |
| CN107325488A (en) * | 2017-08-03 | 2017-11-07 | 安徽华能集团电器有限公司 | A kind of transformer insulating materials |
| CN111019293A (en) * | 2019-11-30 | 2020-04-17 | 无锡市明江保温材料有限公司 | Vacuum insulation material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1506979A (en) * | 2002-12-09 | 2004-06-23 | 上海纯青实业有限公司 | Lamp holder insulating material |
| CN1604237A (en) * | 2004-10-22 | 2005-04-06 | 西安交通大学 | vacuum insulator coating capable of increasing flashover voltage and method of preparation thereof |
| CN103589114A (en) * | 2013-10-15 | 2014-02-19 | 昆山市奋发绝缘材料有限公司 | Vacuum insulating material and preparation method thereof |
| CN103619899A (en) * | 2011-06-24 | 2014-03-05 | 气体产品与化学公司 | Epoxy resin compositions |
-
2015
- 2015-09-22 CN CN201510605505.5A patent/CN105086373A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1506979A (en) * | 2002-12-09 | 2004-06-23 | 上海纯青实业有限公司 | Lamp holder insulating material |
| CN1604237A (en) * | 2004-10-22 | 2005-04-06 | 西安交通大学 | vacuum insulator coating capable of increasing flashover voltage and method of preparation thereof |
| CN103619899A (en) * | 2011-06-24 | 2014-03-05 | 气体产品与化学公司 | Epoxy resin compositions |
| CN103589114A (en) * | 2013-10-15 | 2014-02-19 | 昆山市奋发绝缘材料有限公司 | Vacuum insulating material and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281238A (en) * | 2015-11-26 | 2016-01-27 | 国家电网公司 | Multi-purpose security frame for power transformation device maintenance |
| CN105820402A (en) * | 2016-05-31 | 2016-08-03 | 苏州普京真空技术有限公司 | Heat-conductive flame-retardant insulating material |
| CN105924780A (en) * | 2016-05-31 | 2016-09-07 | 苏州普京真空技术有限公司 | Vacuum insulating material |
| CN105949618A (en) * | 2016-05-31 | 2016-09-21 | 苏州普京真空技术有限公司 | Heat-conducting insulating material |
| CN105907041A (en) * | 2016-06-17 | 2016-08-31 | 无锡英普林纳米科技有限公司 | Nano insulation material and preparation method thereof |
| CN107325488A (en) * | 2017-08-03 | 2017-11-07 | 安徽华能集团电器有限公司 | A kind of transformer insulating materials |
| CN111019293A (en) * | 2019-11-30 | 2020-04-17 | 无锡市明江保温材料有限公司 | Vacuum insulation material and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151125 |