CN109411311A - A kind of arc extinction slurry for fuse protector and preparation method thereof - Google Patents
A kind of arc extinction slurry for fuse protector and preparation method thereof Download PDFInfo
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- CN109411311A CN109411311A CN201811201137.8A CN201811201137A CN109411311A CN 109411311 A CN109411311 A CN 109411311A CN 201811201137 A CN201811201137 A CN 201811201137A CN 109411311 A CN109411311 A CN 109411311A
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- phenolic resin
- arc extinction
- borosilicate
- preparation
- hydroxide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/38—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
- H01H69/02—Manufacture of fuses
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of arc extinction slurry for fuse protector, weight percent compositions are as follows: the double modified thermoplastic phenolic resin 10%~35% of borosilicate, modified magnesium hydroxide 20%~65%, microencapsulated powder oil 1%~5%, organic solvent 5%~40%, hexa 0.6%~4% etc..The phenolic resin is carried out double modified using boric acid and silane coupling agent, and modified magnesium hydroxide and microencapsulated powder oil etc. is added as composite flame-retardant agent, electrical insulating property, heat resistance, ablation resistance, instantaneous heat-resisting quantity and the flame-retarding characteristic etc. of thermoplastic phenolic resin are substantially increased, arc extinction slurry also has stronger mechanical property after solidifying around melt.The arc extinction slurry can be coated on around melt by modes such as filling or thick film screen printings, and fuse breaking capacity is made to meet the application of 250VAC/100A or more.Arc extinction slurry of the invention has the remarkable advantages such as production cost is low, halogen-free environmental, arc extinguishing ability are strong, suitable for common at present shell-and-tube or thick film screen printing formula surface mount miniature fuse.
Description
Technical field
A kind of arc extinguishing the present invention relates to breaking capacity in 250VAC/100A or more surface mount miniature fuse is starched
Material, and in particular to a kind of using the double modified thermoplastic phenolic resin of borosilicate as the arc extinction slurry of matrix and the preparation side of the slurry
Method.
Background technique
Fuse is mainly by melt and to support or the insulator of melt is protected to form, and utilizes lower melting-point metal material
Or wire or pellet electrode etc. is made as melt in slurry, is connected on by the equipment in protection circuit, in circuit or circuit
When overloading or breaking down, melt, by instantaneous fuse, to cut off circuit, reaches the mesh of protection circuit or equipment due to fever
's.With the development that fuse is miniaturized, the disjunction safety problem of melt needs to examine when being increasingly becoming high-voltage large current application
The emphasis factors of worry.Fault current is excessive or the moment of short-circuit disconnection, the powerful electric arc of energy can be generated on melt, if molten
Body is nearby not provided with the material for extinguishing such electric arc, and fuse will burn or even have the danger for generating and exploding, gently then burn
The valuable element of other in circuit, it is heavy then even can because arc ignition occur fire, jeopardize personal safety.
CN102122595A discloses a kind of arc quenching agent for fuse, and the arc quenching agent is in traditional quartz sand arc extinguishing material
Chlorate, such as sodium chloride, potassium chloride, calcium chloride, barium chloride are added in material, electric arc generation can be drawn moment using quartz sand
Heat, pyrolytic go out chloride ion can neutralize electric arc generation ion, avoid electric arc generate ion under the high temperature conditions by
Arcing, to play good arc quenching effect.But due to the requirement for having Halogen in surface mount miniature fuse, and halogen
It is larger to the reliability effect in metal bath long-term use process with stronger moisture pick-up properties, thus this improved answer
There is very big limitation with range.It is disclosed in patent FR2927465A1, US8089023B2, CA101503540A etc. a kind of with pole
Good arc extinction performance, heat resistance, resistance to pressure and mold machinability arc extinguishing resin fabricated product production circuit breaker housing, including
Three polyolefin resin, crosslinking agent and metal hydroxides parts, in patent US2008237194A1, CN101615525A etc.
Disclose a kind of fuse casing or lining containing the production of the arc quenching materials such as metal hydroxides or melamine and adhesive
Pipe generates water vapour to extinguish electric arc, the residual that remaining solid composition is formed when using metal hydroxides and arc contacts
Object does not reduce the dielectric strength of composition, although such arc quenching material has relatively high arc extinction performance, but generallys use
Molding, extrusion forming are fuse shell, are difficult that slurry form is made and is applied on surface mount miniature fuse.
A kind of high pressure resistant surface-adhered type tube fuse is disclosed in CN202977346U, by filling out around the melt in insulation tube
Layer of silica gel is filled, extinguishes electric arc using the high-insulativity and high voltage breakdown capability of silica gel, is inhaled using the elasticity of silica gel itself
The energy generated in melt fusing process is received, however when practical operation, this structure is wanted in the specified breaking capacity when fuse
Expected effect is just lost when asking more than 250VAC/50A.
Melt is in breaking course in addition to generating a large amount of thermal energy, and can also be with the pressure for two kinds of forms occur: melt gasifies
The arcing pressure generated during the blast pressure of starting the arc moment generation impulse form and entire arcing.Conventional arc quenching material is general
It can occur physics and the chemistry such as to be pyrolyzed, melt, evaporate, distil and corrode by material itself under high-temperature heat flux effect
Variation causes quality consumption to take away heat on the surface of the material, so that reducing the thermal energy generated when melt disjunction influences.But due to
The presence of high temperature, the routine arc quenching material such as quartz sand, silica gel, thermosetting resin, glass coating is not often to blast pressure
Elastic buffer ability, the pyrolysis gas that arc-extinguishing unit generates but will cause the pressure rise inside arc-control device, thus be easy
Continue to cause the undesirable generation of fuse disjunction when arcing.
Summary of the invention
Goal of the invention: in view of the above-mentioned problems, the present invention provides a kind of arc extinction slurry, melt can effectively be extinguished
The electric arc generated in breaking course has the heat resistance of temperature rise during being able to bear this, it may have be able to bear during this
The resistance to pressure of internal pressure impact.
It is a further object to provide the preparation method of this arc extinction slurry, which has technique letter
Single, high production efficiency, manufacturing cost is low to wait remarkable advantages.
Technical solution: to achieve the above object, following technical scheme can be used in arc extinction slurry provided by the invention.
A kind of arc extinction slurry for fuse protector, the component of the arc extinction slurry include the double modified thermoplastic phenolic resin of borosilicate, change
Property hydroxide, microencapsulated powder oil, organic solvent, hexa；The weight percent of said components forms are as follows: borosilicate
Double modified thermoplastic phenolic resin 10%~35%, microencapsulated powder oil 1%~5%, have modified magnesium hydroxide 20%~65%
Solvent 5%~40%, hexa 0.6%~4%.
The utility model has the advantages that resin can be improved using the double modified thermoplastic phenolic resin of borosilicate in the arc extinction slurry in the present invention
Electrical insulating property, heat resistance, ablation resistance, instantaneous heat-resisting quantity and flame-retarding characteristic etc., after arc extinction slurry solidifies around melt
Also there is stronger mechanical property.In addition, the modification hydroxide and microencapsulated powder oil fire retardant that are added in arc extinction slurry into
One step improves the flame retardant property of boron-and-silicon-containing phenolic resin, and the arc extinction slurry is allow to be used in 250VAC/100A or more
The occasion of high-voltage large current disjunction.Arc extinction slurry production cost of the present invention is low, and halogen-free environmental is suitable as current Common surface
Mount filling and the printing slurry of miniature fuse.
Further, the modified hydroxide is modified using silane coupling agent, organosilicon, stearic acid one of which
Magnesium Hydroxide Nano-particles, Magnesium Hydroxide Nano-particles granularity are 3000~10000 mesh；Alternatively, the modified hydroxide is
Aluminium hydroxide, borax, zinc borate, melamine cyanurate.The effect that the magnesium hydroxide class powder is added be by its
It is thermally decomposed under high arc temperature, absorbs the heat that electric arc generates, while releasing the oxygen around large quantity of moisture dilution melt, decomposed
The activated magnesia of generation is adsorbed on bath surface and further prevents the progress of burning, so as to quickly extinguish electric arc.Institute
Microencapsulated powder oil is stated when can the absorb magnesium hydroxide burning moisture that decomposites and generate phosphoric acid, poly-metaphosphoric acid etc., be covered on
Phenolic surface makes resin surface dehydration carbonization, and forming one layer has certain thickness liquid film layer, blocks the expansion of oxygen and heat
It dissipates, to strengthen flame retardant effect, and guarantees the ability of safe disjunction.
The organic solvent is ethylene glycol, dimethylformamide, dimethyl acetamide, methyl pyrrolidone, dipropylene glycol
At least one of monomethyl ether.
And following technical scheme can be used in the preparation method of above-mentioned arc extinction slurry provided by the invention, comprising the following steps:
(1) the phenolic aldehyde tree needed in formula is weighed by the solid content conversion of the double modified thermoplastic phenol resin solutions of borosilicate
Rouge, then 0.5h~1h is stirred after being proportionally added into organic solvent；
(2) modified hydroxide, microencapsulated powder oil, hexa are weighed by formula, is added to step (1) and obtains
Solution in, be uniformly mixed to get to arc extinction slurry.
Wherein, before step (1), the double modified thermoplastic phenolic resin of borosilicate, the double modified thermoplastic phenol of the borosilicate are first manufactured
The preparation method of urea formaldehyde includes the following steps:
(a) by phenol and formaldehyde in molar ratio it is first that 1:0.4~1.2 is mixed, is heated to 40 DEG C~50 DEG C, stirring 0.5h~
2h adds the acid solution for accounting for phenol molar fraction 0.02%~1%, continues to stir and slowly heat up, controls reacting liquid temperature
It is 70 DEG C~90 DEG C, reacts 2h~6h；
(b) boric acid for accounting for phenol molar fraction 0.1%~5% is added in reaction solution, is warming up to 90 DEG C~110 DEG C, instead
Answer 2h~8h；
(c) silane coupling agent or organic silicon solution for accounting for phenol molar fraction 1%~30% are continuously added in reaction solution,
The reaction was continued 2h~12h；
(d) aqueous slkali is added and the pH value of reaction solution is adjusted to 6~7.5, add organic solvent and carry out extraction and separation, go
Fall water layer；
(e) after vacuumizing and heating desolventizing, organic solvent dissolution is added to get to the borosilicate is double and is modified thermoplastics
Property phenol resin solution.
Further, the acid solution in the preparation step (a) of the double modified thermoplastic phenolic resin of the borosilicate refers to salt
One of acid, nitric acid, ethanedioic acid, acetic acid；Aqueous slkali in the step (d) refers to sodium hydroxide, potassium hydroxide, ammonia
One of water, sodium carbonate.
Further, the silane coupling agent in double modified thermoplastic phenolic resin preparations step (c) of the borosilicate is a kind of
Silane with organo-functional group, and be one of KH550, KH560, KH570, KH792.
Further, extraction phenolic resin in the preparation step (d) of the double modified thermoplastic phenolic resin of the borosilicate
Organic solvent is one of toluene, dimethylbenzene, ethyl acetate, butyl acetate；Dissolution phenolic resin in the step (e)
Organic solvent is ethylene glycol, dimethylformamide, dimethyl acetamide, methyl pyrrolidone, one in dipropylene glycol monomethyl ether
Kind.
Further, heating vacuumizes desolventizing in the preparation step (e) of the double modified thermoplastic phenolic resin of the borosilicate
Temperature be 100 DEG C~120 DEG C.
The utility model has the advantages that above-mentioned preparation method has simple process, high production efficiency, the low advantage of manufacturing cost.
Specific embodiment
The present invention is described in detail With reference to embodiment.
Arc extinction slurry provided in the present invention is obtained by weight by following raw material: the double modified thermoplastic phenolic aldehyde of borosilicate
Resin 10%~35%, modified magnesium hydroxide 20%~65%, microencapsulated powder oil 1%~5%, organic solvent 5%~40%,
Hexa 0.6%~4%.
And in preparation method of the invention, including prepares the double modified thermoplastic phenolic resin of borosilicate and use the phenol
Urea formaldehyde prepares two step of arc extinction slurry.Above-mentioned arc extinction slurry and preparation method are carried out below by several embodiments further
Explanation.
Embodiment 1
First 1mol phenol and 0.4mol formaldehyde are mixed, are heated to 40 DEG C, 0.5h is stirred, adds 0.0002mol's
1mol/L hydrochloric acid, and 80 DEG C are heated to, stir 2h；0.005mol boric acid is added in reaction solution, is warming up to 100 DEG C, stirring
2h；Then the silane coupling agent of 0.1mol is added, maintains the temperature at 100 DEG C and stirs 5h；Ammonium hydroxide adjusting solution ph, which is added, is
It after 7.0 or so, is extracted with ethyl acetate, and removes the water layer isolated；It carries out vacuumizing desolventizing 1h at 110 DEG C；Finally
Ethylene glycol is added and carries out dissolving resin, obtains the double modified thermoplastic phenol resin solutions of borosilicate that solid content is about 60%.
Phenol resin solution 100g obtained above is taken, 30g ethylene glycol is added and is diluted, and stirs 0.5h；It weighs again
The silane coupler modified magnesium hydroxide of 180g, 6g microencapsulated powder oil, 3g hexa stir 2h to get institute of the present invention is arrived
The high breaking capacity surface mount miniature fuse arc extinction slurry stated.
Obtained arc extinction slurry is adjusted into viscosity to 40Pas~100Pas using ethylene glycol, passes through thick film screen printing work
Skill by the arc extinction slurry be printed on design rated current be 2A, dimensions is 6.1mm*2.5mm aluminium oxide ceramic substrate table
Above the fusing volume graphic in face, as arc extinguishing coating and protective layer, the fuse products that are required after resin solidification.
The test of 250VAC/100A breaking capacity is carried out to the 10pcs fuse products, product labelling is clear after disjunction test
Wash rice, protective layer is without obvious cracking, without lasting arcing Ignition phenomenon.
Embodiment 2
1mol phenol and 0.8mol formaldehyde are mixed, are heated to 50 DEG C, 1h is stirred, adds the 1mol/L second of 0.003mol
Diacid, and 90 DEG C are heated to, stir 4h；0.02mol boric acid is added in reaction solution and is warming up to 100 DEG C, stirring 5h, then
Continue that 0.15mol silane coupling agent is added in reaction solution, is stirred for 8h；It is 7.0 left that sodium hydrate regulator solution pH value, which is added,
It behind the right side, is extracted with toluene, and separates water-yielding stratum, carried out vacuumizing desolventizing 1.5h at 110 DEG C, be eventually adding dipropylene glycol list
Methyl ether carries out dissolving resin, obtains the double modified thermoplastic phenol resin solutions of borosilicate that solid content is about 60%.
Phenol resin solution 100g obtained above is taken, 50g dipropylene glycol monomethyl ether is added and is diluted, and stirs
0.5h；The organic-silicon-modified magnesium hydroxide of 260g, 10g microencapsulated powder oil are weighed again, and 10g hexa stirs 3h, obtains
High breaking capacity surface mount miniature fuse arc extinction slurry of the present invention.
It is 2A to rated current, in the side tube wall for the ceramic tubular fuse-link that dimensions is 6.1mm*2.5mm*2.5mm
Portion forms the square opening of a 0.3mm*0.3mm, and arc extinction slurry obtained above is adjusted using dipropylene glycol monomethyl ether and is glued
Fuse products are placed in the container for filling arc extinction slurry, and to 1Pas~5Pas to the container vacuum-pumping by degree
15min makes to obtain the fuse products filled with arc extinction slurry inside arc extinction slurry encapsulating to shell.
The test of 350VAC/100A breaking capacity, product labelling after disjunction test are carried out to the fuse products that 10pcs is obtained
Clear wash rice, ceramic tube is without obvious cracking, without lasting arcing Ignition phenomenon.
Embodiment 3
1mol phenol and 1.2mol formaldehyde are mixed, are heated to 50 DEG C, 2h is stirred, adds the 1mol/L's of 0.01mol
Acetic acid, and 90 DEG C are heated to, stir 6h；0.05mol boric acid is added in reaction solution and is warming up to 110 DEG C, stirring 8h, then
Continue the silane coupling agent that 0.3mol is added in reaction solution, is stirred for 12h；It is 7.0 that potassium hydroxide, which is added, and adjusts solution ph
Behind left and right, with n-butyl acetate extraction, and water-yielding stratum is separated, then carry out vacuumizing desolventizing 2h at 110 DEG C, be eventually adding diformazan
Yl acetamide carries out dissolving resin, obtains the double modified thermoplastic phenol resin solutions of borosilicate that solid content is about 60%.
Phenol resin solution 100g obtained above is taken, 60g dimethyl acetamide is added and is diluted, and stirs 0.5h；
The organic-silicon-modified magnesium hydroxide of 200g, 12g microencapsulated powder oil are weighed again, and 8g hexa stirs 3h, obtains the present invention
High breaking capacity surface mount miniature fuse arc extinction slurry.
It obtains filling the fuse products of the arc extinction slurry by mode described in embodiment 2 and breaking capacity survey is carried out to it
Examination, the results showed that also meet the disjunction condition of 350VAC/100A using the fuse products that this arc extinction slurry is filled.
The phenolic resin can also be replaced using modified thermosetting phenolic resin, be influenced not on the performance of arc extinction slurry
Greatly.
The present invention implement the technical solution method and approach it is very much, the above is only preferred implementation of the invention
Mode.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Several improvement can be made, these improvement also should be regarded as protection scope of the present invention.Each composition portion being not known in the present embodiment
The available prior art is divided to be realized.
Claims (10)
1. a kind of arc extinction slurry for fuse protector, which is characterized in that the component of the arc extinction slurry includes the double modified thermoplastic phenol of borosilicate
Urea formaldehyde, modified hydroxide, microencapsulated powder oil, organic solvent, hexa；The weight percent group of said components
Become: the double modified thermoplastic phenolic resin 10%~35% of borosilicate, modified magnesium hydroxide 20%~65%, microencapsulated powder oil
1%~5%, organic solvent 5%~40%, hexa 0.6%~4%.
2. arc extinction slurry according to claim 1, it is characterised in that: the modified hydroxide is using silane coupled
The modified Magnesium Hydroxide Nano-particles of agent, organosilicon, stearic acid one of which, Magnesium Hydroxide Nano-particles granularity is 3000~
10000 mesh.
3. arc extinction slurry according to claim 1, it is characterised in that: the modified hydroxide be aluminium hydroxide, borax,
Zinc borate, melamine cyanurate.
4. arc extinction slurry according to claim 1, it is characterised in that: the organic solvent is ethylene glycol, dimethyl formyl
At least one of amine, dimethyl acetamide, methyl pyrrolidone, dipropylene glycol monomethyl ether.
5. a kind of preparation method for preparing the arc extinction slurry as described in any one of claims 1 to 5, which is characterized in that including
Following steps:
(1) phenolic resin needed in formula is weighed by the solid content conversion of the double modified thermoplastic phenol resin solutions of borosilicate, then
0.5h~1h is stirred after being proportionally added into organic solvent；
(2) modified hydroxide, microencapsulated powder oil, hexa are weighed by formula, be added to step (1) obtain it is molten
In liquid, it is uniformly mixed to get arc extinction slurry is arrived.
6. preparation method according to claim 5, which is characterized in that before step (1), first manufacture the double modified thermoplastics of borosilicate
Property phenolic resin, the preparation method of the double modified thermoplastic phenolic resin of the borosilicate includes the following steps:
(a) by phenol and formaldehyde in molar ratio it is first that 1:0.4~1.2 is mixed, is heated to 40 DEG C~50 DEG C, stirs 0.5h~2h,
The acid solution for accounting for phenol molar fraction 0.02%~1% is added, continues to stir and slowly heat up, control reacting liquid temperature is 70
DEG C~90 DEG C, react 2h~6h；
(b) boric acid for accounting for phenol molar fraction 0.1%~5% is added in reaction solution, is warming up to 90 DEG C~110 DEG C, reacts 2h
~8h；
(c) silane coupling agent or organic silicon solution for accounting for phenol molar fraction 1%~30% are continuously added in reaction solution, are continued
React 2h~12h；
(d) aqueous slkali is added and the pH value of reaction solution is adjusted to 6~7.5, add organic solvent and carry out extraction and separation, remove water
Layer；
(e) after vacuumizing and heating desolventizing, organic solvent dissolution is added to get the double modified thermoplastic phenol of the borosilicate are arrived
Urea formaldehyde solution.
7. preparation method according to claim 6, it is characterised in that: the system of the double modified thermoplastic phenolic resin of the borosilicate
Acid solution in standby step (a) refers to one of hydrochloric acid, nitric acid, ethanedioic acid, acetic acid；Aqueous slkali in the step (d)
Refer to one of sodium hydroxide, potassium hydroxide, ammonium hydroxide, sodium carbonate.
8. preparation method according to claim 6, it is characterised in that: the double modified thermoplastic phenolic resin preparations of the borosilicate
Silane coupling agent in step (c) is a kind of silane with organo-functional group, and is KH550, KH560, KH570, KH792
One of.
9. preparation method according to claim 6, it is characterised in that: the system of the double modified thermoplastic phenolic resin of the borosilicate
The organic solvent of extraction phenolic resin is one of toluene, dimethylbenzene, ethyl acetate, butyl acetate in standby step (d)；Institute
The organic solvent for stating dissolution phenolic resin in step (e) is ethylene glycol, dimethylformamide, dimethyl acetamide, methyl pyrrole
One of pyrrolidone, dipropylene glycol monomethyl ether.
10. preparation method according to claim 9, it is characterised in that: the double modified thermoplastic phenolic resin of the borosilicate
It is 100 DEG C~120 DEG C that heating, which vacuumizes the temperature of desolventizing, in preparation step (e).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201137.8A CN109411311B (en) | 2018-10-16 | 2018-10-16 | Arc extinguishing slurry for fuse and preparation method thereof |
| PCT/CN2019/103468 WO2020078115A1 (en) | 2018-10-16 | 2019-08-30 | Arc-suppression slurry for fuse and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201137.8A CN109411311B (en) | 2018-10-16 | 2018-10-16 | Arc extinguishing slurry for fuse and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109411311A true CN109411311A (en) | 2019-03-01 |
| CN109411311B CN109411311B (en) | 2021-02-02 |
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| CN201811201137.8A Active CN109411311B (en) | 2018-10-16 | 2018-10-16 | Arc extinguishing slurry for fuse and preparation method thereof |
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| WO (1) | WO2020078115A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078115A1 (en) * | 2018-10-16 | 2020-04-23 | 南京萨特科技发展有限公司 | Arc-suppression slurry for fuse and preparation method therefor |
| CN112735930A (en) * | 2020-12-18 | 2021-04-30 | 中国振华集团云科电子有限公司 | Arc suppression material for improving breaking capacity of fuse and preparation method thereof |
| CN113436945A (en) * | 2021-06-24 | 2021-09-24 | 南京萨特科技发展有限公司 | Gas-generating arc-extinguishing powder and preparation method thereof |
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| CN103606497A (en) * | 2013-11-27 | 2014-02-26 | 南京萨特科技发展有限公司 | Arc extinction slurry for fuse protector |
| JP2014044924A (en) * | 2012-08-28 | 2014-03-13 | Soc Corp | High breaking capacity fuse |
| CN107474709A (en) * | 2016-06-08 | 2017-12-15 | 江阴市尤乐防火阻燃材料有限公司 | A kind of fireproof coating based on polyborosiloxane phenol-formaldehyde resin modified |
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| CN105968705B (en) * | 2016-05-17 | 2017-11-28 | 中国科学院化学研究所 | A kind of silicon boron modified phenolic resin and preparation method thereof |
| CN109411311B (en) * | 2018-10-16 | 2021-02-02 | 南京萨特科技发展有限公司 | Arc extinguishing slurry for fuse and preparation method thereof |
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- 2018-10-16 CN CN201811201137.8A patent/CN109411311B/en active Active
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2019
- 2019-08-30 WO PCT/CN2019/103468 patent/WO2020078115A1/en active Application Filing
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| JP2014044924A (en) * | 2012-08-28 | 2014-03-13 | Soc Corp | High breaking capacity fuse |
| CN103606497A (en) * | 2013-11-27 | 2014-02-26 | 南京萨特科技发展有限公司 | Arc extinction slurry for fuse protector |
| CN107474709A (en) * | 2016-06-08 | 2017-12-15 | 江阴市尤乐防火阻燃材料有限公司 | A kind of fireproof coating based on polyborosiloxane phenol-formaldehyde resin modified |
| CN108504257A (en) * | 2018-03-01 | 2018-09-07 | 广东至诚化学工业有限公司 | A kind of fire resistant coating and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078115A1 (en) * | 2018-10-16 | 2020-04-23 | 南京萨特科技发展有限公司 | Arc-suppression slurry for fuse and preparation method therefor |
| CN112735930A (en) * | 2020-12-18 | 2021-04-30 | 中国振华集团云科电子有限公司 | Arc suppression material for improving breaking capacity of fuse and preparation method thereof |
| CN113436945A (en) * | 2021-06-24 | 2021-09-24 | 南京萨特科技发展有限公司 | Gas-generating arc-extinguishing powder and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109411311B (en) | 2021-02-02 |
| WO2020078115A1 (en) | 2020-04-23 |
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