CN108183007A - One kind is used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof and preparation method and application - Google Patents
One kind is used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof and preparation method and application Download PDFInfo
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- CN108183007A CN108183007A CN201711405322.4A CN201711405322A CN108183007A CN 108183007 A CN108183007 A CN 108183007A CN 201711405322 A CN201711405322 A CN 201711405322A CN 108183007 A CN108183007 A CN 108183007A
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- retardant
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- 239000012774 insulation material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 54
- 239000003292 glue Substances 0.000 claims abstract description 54
- 239000004593 Epoxy Substances 0.000 claims abstract description 50
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 29
- 239000004744 fabric Substances 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 27
- 238000009954 braiding Methods 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000003822 epoxy resin Substances 0.000 claims abstract description 14
- 229920006267 polyester film Polymers 0.000 claims abstract description 11
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 claims abstract description 4
- 230000000979 retarding effect Effects 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 17
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 11
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 229920006335 epoxy glue Polymers 0.000 claims description 4
- 150000004984 aromatic diamines Chemical class 0.000 claims description 3
- 239000004848 polyfunctional curative Substances 0.000 claims description 3
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 2
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 2
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- CAAULPUQFIIOTL-UHFFFAOYSA-L methyl phosphate(2-) Chemical group COP([O-])([O-])=O CAAULPUQFIIOTL-UHFFFAOYSA-L 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000011810 insulating material Substances 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- -1 amido diphenyl sulphone Chemical compound 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229920000784 Nomex Polymers 0.000 description 4
- 239000004763 nomex Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 3
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 2
- 229940018564 m-phenylenediamine Drugs 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- KZTYYGOKRVBIMI-UHFFFAOYSA-N S-phenyl benzenesulfonothioate Natural products C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- URLKBWYHVLBVBO-UHFFFAOYSA-N p-dimethylbenzene Natural products CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/60—Composite insulating bodies
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/66—Joining insulating bodies together, e.g. by bonding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
- H01B19/04—Treating the surfaces, e.g. applying coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Insulating Bodies (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention relates to one kind to be used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof, including laminated polyester film, the first mixing glue-line, the second mixing glue-line, the first braiding glass cloth, the second braiding glass cloth, the fire-retardant glue-line of the first B ranks, the 2nd fire-retardant glue-line of B ranks, the fire-retardant glue-line of first B ranks and the 2nd fire-retardant glue-line of B ranks are formed by B rank flame-retardant glues, and the raw material of the B rank flame-retardant glues mass ratio that respectively includes feeding intake is 10 ~ 15:1 Halogenless fire retarded epoxy resin and epoxy curing agent, Halogenless fire retarded epoxy resin are 0.5 ~ 2 including the mass ratio that feeds intake:1 from anti-flaming liquid epoxy resin and from flame retarding solid epoxy resin or including the mass ratio that feeds intake is 0.4 ~ 2:0.4~2:1 liquid epoxies, solid epoxy and halogen-free flame retardants.The insulating materials of the present invention is not easy that the moisture absorption, insulation effect are good, and temperature resistant grade can reach F grades.
Description
Technical field
The invention belongs to composite insulating material fields, and in particular to one kind is used for F grades of slots of nuclear power or transformer halogen-free flameproof
Insulating materials and preparation method and application.
Background technology
The part that motor forms shifting magnetic field includes iron core and coil.Iron core has what is extended along the direction of magnetic field movement
Yoke and tooth that is prominent from yoke and being arranged along magnetic field movement direction.Part between any two adjacent teeth is known as slot.
Coil is formed so that Wire-wound is enclosed in tooth rim, is as a result located in slot to coiler part.In order to ensure motor iron core and
Electrical isolation between coil, can along each slot of restriction of iron core each surface configuration insulating paper (hereinafter referred to as slot insulating paper or
Person's slot insulation material).
Existing nuclear power or transformer generator amature slot interior insulation part, due to structure etc., Nomex (Nomex nylon) (NOMEX
Paper) external, the easy moisture absorption, side mouthful is easily deformed inward, it is impossible to play insulation protection very well.
Invention content
There is provided a kind of insulation effect good and environmentally protective use the invention aims to overcome the deficiencies in the prior art
In F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof and preparation method and application.
In order to achieve the above objectives, the technical solution adopted by the present invention is：
It is an object of the present invention to provide one kind to be used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof, including
Laminated polyester film, is arranged on the polyester film at the first mixing glue-line being arranged in the one side of the laminated polyester film
Second on the another side of layer mixes glue-line, the first braiding glass cloth being arranged on the first mixing glue-line, is arranged on
Second on the second mixing glue-line weaves glass cloth, the first B ranks resistance being arranged on the first braiding glass cloth
Combustion glue-line, the 2nd fire-retardant glue-line of B ranks being arranged on the second braiding glass cloth,
The fire-retardant glue-line of first B ranks and the 2nd fire-retardant glue-line of B ranks are formed by B rank flame-retardant glues, the B
The raw material of the rank flame-retardant glue mass ratio that respectively includes feeding intake is 10~15:1 Halogenless fire retarded epoxy resin and epoxy resin cure
Agent, the Halogenless fire retarded epoxy resin are 0.5~2 including the mass ratio that feeds intake:1 from anti-flaming liquid epoxy resin and from fire-retardant
Solid epoxy is 0.4~2 including the mass ratio that feeds intake:0.4~2:1 liquid epoxies, solid epoxy and
Halogen-free flame retardants.
Preferably, in the B rank flame-retardant glues, the liquid epoxies, the solid epoxy and institute
The mass ratio that feeds intake for the halogen-free flame retardants stated is 0.4~1:0.4~1:1.
Preferably, the dry rubber content of the fire-retardant glue-line of the first B ranks and the 2nd fire-retardant glue-line of B ranks is respectively 40
~60g/m2。
Preferably, the first mixing glue-line and the described second mixing glue-line are formed by mixture glue, and described is mixed
The raw material of the rubber alloy water mass ratio that respectively includes feeding intake is 7~10:1~1.5:1 PU glue, epoxy glue and halogen-free flame retardants, it is described
PU glue include feeding intake mass ratio for 5~8:1 Henkel Liofol UR 2716 and Henkel curing agent UK 5500 or including
The mass ratio that feeds intake is 6~9:1 boss's glue AP1387 and boss glue Hardener Z；The epoxy glue includes the mass ratio that feeds intake
It is 4~8:1 modified epoxy and epoxy curing agent, the modified epoxy are 0.5 including the mass ratio that feeds intake
~2:1 liquid epoxies and solid epoxy.
It is further preferred that in the mixture glue, the liquid epoxies and the solid epoxy
The mass ratio that feeds intake for 0.8~1.2:1.
Preferably, the dry rubber content of the first mixing glue-line and the described second mixing glue-line is respectively 10~20g/
m2。
Preferably, the epoxy curing agent is one or more compositions in aromatic diamines curing agent
Mixture, the liquid epoxies be E44-6101, the solid epoxy be E12-604, the Halogen
Fire retardant is methyl-phosphoric acid dimethyl ester, oligomeric ammonium polyphosphate and one kind or mixture in triphenyl phosphate.
It is further preferred that aromatic diamines curing agent includes two amido diphenyl sulphone (DPS)s (DDS), two amido diphenyl-methanes
(DDM), m-phenylene diamine (MPD) (MPDA), 4,4 ' diaminodiphenyl ethers (DDE) and paraxylene amine (DMB) etc..
Preferably, it can also be used from anti-flaming liquid epoxy resin and from flame retarding solid epoxy resin existing containing P, the resistance of N
Epoxy resin is fired, such as smells epoxy.
Described F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof are used for it is a further object to provide a kind of
The preparation method of material, includes the following steps：
Then step (1), the two-sided upper mixture glue by the polyester film are 10 ± 3 in 70~100 DEG C, speed
M/min, tension is except solvent, obtains the first mixing glue-line and the described second mixing glue-line under 60~80N；
Step (2), the composite braided glass cloth on the first mixing glue-line and the described second mixing glue-line, form
The first braiding glass cloth and the second braiding glass cloth, then winds, coiled material cures 20~30 hours at 120 ± 5 DEG C；
Step (3), B ranks described on the surface of the first braiding glass cloth and the described second braiding glass cloth
Then flame-retardant glue is dried to epoxy resin and reaches B ranks in an oven, form the fire-retardant glue-line of the first B ranks and described
The 2nd fire-retardant glue-line of B ranks, wherein, the temperature for controlling the baking oven front end is 80-100 DEG C, the temperature of stage casing and back segment is 130
~150 DEG C.
Preferably, the preparation method of the mixture glue is：By the liquid epoxies and the solid ring
Oxygen resin is added in solvent, is stirred 30 ± 5 minutes, then adds in the epoxy curing agent, is stirred 10 ± 5 minutes,
The halogen-free flame retardants is added, is stirred 10 ± 5 minutes, adds in a kind of ingredient in the PU glue, stirs 20 ± 5 points
Clock adds in another ingredient in the PU glue, stirs 10 ± 5 minutes, then with solvent by 20~30 DEG C of mixture glue
4# glasss of viscosity are adjusted to 15-16 seconds；
The preparation method of the B rank flame-retardant glues is：By the liquid epoxies and the solids epoxy tree
Fat is added in solvent, is stirred 30 ± 5 minutes, then adds in the epoxy curing agent, is stirred 10 ± 5 minutes, then is added
Enter the halogen-free flame retardants, stir 10 ± 5 minutes；
Wherein, the solvent is ethyl acetate, methyl ethyl ketone or acetone.
Third object of the present invention is to provide a kind of described F grades of slot insulation materials of halogen-free flameproof in nuclear power or transformer
With the application in power generation rotor slot.
In the present invention, the component proportion of mixture glue can improve the tensile strength and insulation performance of product.
The thickness of the insulating materials of the present invention can carry out independent assortment collocation according to requirements.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
The present invention passes through polyester film and two layers of braiding glass cloth by using B ranks flame-retardant glue and mixture glue
It is compound so that insulating materials is not easy that the moisture absorption, insulation effect are good, and temperature resistant grade can reach F grades.
Specific embodiment
The present invention is further described below in conjunction with embodiment.
Embodiment 1 to 4
The preparation method of each embodiment is as follows, and the proportioning that the proportioning of mixture glue is shown in Table 1, B rank flame-retardant glues is shown in Table 2, production
The performance of product is shown in Table 3.
Preparation method：
Step (1) prepares mixture glue：Liquid epoxies E44-6101 and solid epoxy E12-604 is added in
It into acetone, stirs 30 ± 5 minutes, then adds in epoxy curing agent, stir 10 ± 5 minutes, add halogen-free flame retardants,
Stirring 10 ± 5 minutes adds in a kind of ingredient (UR 2716 or AP1387) in PU glue, stirs 20 ± 5 minutes, adds in PU glue
Another ingredient (UK 5500 or Hardener Z), stir 10 ± 5 minutes, then with acetone by 25 DEG C of 4# of mixture glue
Cup viscosity is adjusted to 15-16 seconds.
Step (2) prepares B rank flame-retardant glues：Liquid epoxies E44-6101 and solid epoxy E12-604 are added
Enter into acetone, stir 30 ± 5 minutes, then add in epoxy curing agent, stir 10 ± 5 minutes, add halogen-free flameproof
Agent is stirred 10 ± 5 minutes.
Then step (3), the two-sided upper mixture glue by polyester film are 10 ± 3 ms/min, tension in 80 DEG C, speed
To remove solvent under 70N, the first mixing glue-line and the second mixing glue-line are obtained；
Step (4), the composite braided glass cloth on the first mixing glue-line and the second mixing glue-line, form the first braiding glass
Cloth and the second braiding glass cloth, then wind, coiled material cures 24 hours at 120 ± 5 DEG C；
Step (5), the B rank flame-retardant glues on the surface of the first braiding glass cloth and the second braiding glass cloth, are then drying
Epoxy resin is dried in case and reaches B ranks, forms the fire-retardant glue-line of the first B ranks and the 2nd fire-retardant glue-line of B ranks, wherein, control baking oven
The temperature of front end is 90 DEG C, the temperature of stage casing and back segment is 140 DEG C.
Table 1
Table 2
Comparative example 1
It is substantially same as Example 1, the difference lies in：Braiding glass cloth is replaced using Nomex paper.
Comparative example 2
Preparation method is same as Example 1, the difference lies in, B ranks flame-retardant glue uses the mixture glue of embodiment 1,
Glue-line i.e. in comparative example 3 is formed by mixture glue.The performance of product is shown in Table 3
Comparative example 3
Preparation method is same as Example 1, the difference lies in, mixture glue uses the B rank flame-retardant glues of embodiment 1,
Glue-line Uniform B rank flame-retardant glue i.e. in comparative example 4 is formed.The performance of product is shown in Table 3
Table 3
Recommend condition of cure：130 DEG C 5 hours；Or 140 DEG C 4 hours；Or 150 DEG C 3 hours.
Wherein, nominal thickness, tensile strength are not bent, breakdown voltage is not bent, humidity index TI, flame retardant rating, inhale glue
The test method of amount is with reference to GBT5591.2-2002 electric insulations composite flexible material part 2：Test method.
The test method of hydroscopicity is with reference to GBT1034-2008.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should be covered by the protection scope of the present invention.
Claims (10)
1. one kind is used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof, it is characterised in that：Including laminated polyester film, set
It puts the in the one side of the laminated polyester film first mixing glue-line, be arranged on the another side of the laminated polyester film
Second mixing glue-line, is arranged on second mixing at the first braiding glass cloth being arranged on the first mixing glue-line
Second on glue-line weaves glass cloth, the fire-retardant glue-line of the first B ranks being arranged on the first braiding glass cloth, is arranged on institute
The 2nd fire-retardant glue-line of B ranks on the second braiding glass cloth stated,
The fire-retardant glue-line of first B ranks and the 2nd fire-retardant glue-line of B ranks are formed by B rank flame-retardant glues, B ranks resistance
The raw material of the combustion glue mass ratio that respectively includes feeding intake is 10 ~ 15:1 Halogenless fire retarded epoxy resin and epoxy curing agent, institute
The Halogenless fire retarded epoxy resin stated is 0.5 ~ 2 including the mass ratio that feeds intake:1 from anti-flaming liquid epoxy resin and from flame retarding solid ring
Oxygen resin is 0.4 ~ 2 including the mass ratio that feeds intake:0.4~2:1 liquid epoxies, solid epoxy and halogen-free flameproof
Agent.
2. according to claim 1 be used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof, it is characterised in that：Institute
In the B rank flame-retardant glues stated, the throwing of the liquid epoxies, the solid epoxy and the halogen-free flame retardants
It is 0.4 ~ 1 to expect mass ratio:0.4~1:1.
3. according to claim 1 or 2 be used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof, it is characterised in that：
The fire-retardant glue-line of first B ranks and the dry rubber content of the 2nd fire-retardant glue-line of B ranks are respectively 40 ~ 60g/m2。
4. according to claim 1 be used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof, it is characterised in that：Institute
The the first mixing glue-line and the described second mixing glue-line stated are formed by mixture glue, and the raw material of the mixture glue wraps respectively
It is 7 ~ 10 to include the mass ratio that feeds intake:1~1.5:1 PU glue, epoxy glue and halogen-free flame retardants, the PU glue include the mass ratio that feeds intake
It is 5 ~ 8:1 Henkel Liofol UR 2716 and Henkel curing agent UK 5500 are 6 ~ 9 including the mass ratio that feeds intake:1 wave
Scholar's glue AP1387 and boss glue Hardener Z；The epoxy glue is 4 ~ 8 including the mass ratio that feeds intake:1 modified epoxy
And epoxy curing agent, the modified epoxy are 0.5 ~ 2 including the mass ratio that feeds intake:1 liquid epoxies and solid
Body epoxy resin.
5. according to claim 4 be used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof, it is characterised in that：Institute
In the mixture glue stated, the mass ratio that feeds intake of the liquid epoxies and the solid epoxy is 0.8 ~ 1.2:1.
6. being used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof according to claim 1,4 or 5, feature exists
In：The first mixing glue-line and the dry rubber content of the described second mixing glue-line are respectively 10 ~ 20g/m2。
7. it is used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof according to any one of claim 1 to 2,4 to 5
Material, it is characterised in that：The epoxy curing agent is one or more compositions in aromatic diamines curing agent
Mixture, the liquid epoxies be E44-6101, the solid epoxy be E12-604, the Halogen
Fire retardant is methyl-phosphoric acid dimethyl ester, oligomeric ammonium polyphosphate and one kind or mixture in triphenyl phosphate.
8. it is a kind of as described in any one of claim 1 to 7 for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof
Preparation method, it is characterised in that：Include the following steps：
Step（1）, by the two-sided upper mixture glue of the polyester film, be then 10 ± 3 ms/min in 70 ~ 100 DEG C, speed
Clock, tension is, except solvent, obtain the first mixing glue-line and the described second mixing glue-line under 60 ~ 80N；
Step（2）, on described first mixing glue-line and the described second mixing glue-line composite braided glass cloth, described in formation
First braiding glass cloth and second braiding glass cloth, then wind, coiled material cures 20 ~ 30 hours at 120 ± 5 DEG C；
Step（3）, B ranks described on the surface of described first braiding glass cloth and the described second braiding glass cloth it is fire-retardant
Then glue is dried to epoxy resin and reaches B ranks in an oven, form the fire-retardant glue-line of the first B ranks and the 2nd B
The fire-retardant glue-line of rank, wherein, the temperature for controlling the baking oven front end is 80-100 DEG C, the temperature of stage casing and back segment is 130 ~ 150
℃。
9. preparation method according to claim 8, it is characterised in that：The preparation method of the mixture glue is：By institute
The liquid epoxies and the solid epoxy stated are added in solvent, are stirred 30 ± 5 minutes, then described in addition
Epoxy curing agent stirs 10 ± 5 minutes, adds the halogen-free flame retardants, stirs 10 ± 5 minutes, adds in described
A kind of ingredient in PU glue stirs 20 ± 5 minutes, adds in another ingredient in the PU glue, stirs 10 ± 5 minutes, so
20 ~ 30 DEG C of 4# glasss of viscosity of mixture glue are adjusted to 15-16 seconds with solvent afterwards；
The preparation method of the B rank flame-retardant glues is：The liquid epoxies and the solid epoxy are added
Enter into solvent, stir 30 ± 5 minutes, then add in the epoxy curing agent, stir 10 ± 5 minutes, add institute
The halogen-free flame retardants stated stirs 10 ± 5 minutes；
Wherein, the solvent is ethyl acetate, methyl ethyl ketone or acetone.
10. a kind of F grades of slot insulation materials of halogen-free flameproof as described in any one of claim 1 to 7 are used in nuclear power or transformer
Application in power generation rotor slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405322.4A CN108183007A (en) | 2017-12-22 | 2017-12-22 | One kind is used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof and preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405322.4A CN108183007A (en) | 2017-12-22 | 2017-12-22 | One kind is used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof and preparation method and application |
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| CN108183007A true CN108183007A (en) | 2018-06-19 |
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| CN201711405322.4A Pending CN108183007A (en) | 2017-12-22 | 2017-12-22 | One kind is used for F grades of slot insulation materials of nuclear power or transformer halogen-free flameproof and preparation method and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080540A1 (en) * | 2017-10-25 | 2019-05-02 | 苏州巨峰电气绝缘系统股份有限公司 | Gearbox-oil-resistant and halogen-free flame-retardant groove insulating material of electric vehicle motor and application thereof |
| WO2019119782A1 (en) * | 2017-12-22 | 2019-06-27 | 苏州巨峰电气绝缘系统股份有限公司 | Halogen-free flame retardant h-class slot insulating material for nuclear power or transformer, and preparation method therefor |
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| CN1865382A (en) * | 2005-04-13 | 2006-11-22 | 信越化学工业株式会社 | Flame retardant adhesive composition, and adhesive sheet, coverlay film and flexible copper-clad laminate using same |
| CN103072352A (en) * | 2013-01-13 | 2013-05-01 | 株洲时代电气绝缘有限责任公司 | Coating type composite material for dry type transformer and preparation method thereof |
| CN105482442A (en) * | 2015-12-31 | 2016-04-13 | 广东生益科技股份有限公司 | Halogen-free resin composition and cover film prepared from the same |
| CN107175861A (en) * | 2017-05-25 | 2017-09-19 | 杭州科能新材料科技有限公司 | A kind of glass fibre membrane and glass fibre vacuum bag |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1865382A (en) * | 2005-04-13 | 2006-11-22 | 信越化学工业株式会社 | Flame retardant adhesive composition, and adhesive sheet, coverlay film and flexible copper-clad laminate using same |
| CN103072352A (en) * | 2013-01-13 | 2013-05-01 | 株洲时代电气绝缘有限责任公司 | Coating type composite material for dry type transformer and preparation method thereof |
| CN105482442A (en) * | 2015-12-31 | 2016-04-13 | 广东生益科技股份有限公司 | Halogen-free resin composition and cover film prepared from the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019080540A1 (en) * | 2017-10-25 | 2019-05-02 | 苏州巨峰电气绝缘系统股份有限公司 | Gearbox-oil-resistant and halogen-free flame-retardant groove insulating material of electric vehicle motor and application thereof |
| WO2019119782A1 (en) * | 2017-12-22 | 2019-06-27 | 苏州巨峰电气绝缘系统股份有限公司 | Halogen-free flame retardant h-class slot insulating material for nuclear power or transformer, and preparation method therefor |
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