CN102655053B

CN102655053B - Liquid outer packing main agent of capacitor

Info

Publication number: CN102655053B
Application number: CN201210138585.4A
Authority: CN
Inventors: 王振东
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-08
Filing date: 2012-05-08
Publication date: 2014-04-09
Anticipated expiration: 2032-05-08
Also published as: CN102655053A

Abstract

The invention discloses a liquid outer packing main agent of a capacitor. The formula of the liquid outer packing main agent comprises blue slurry, resin, aluminium hydroxide, antimonous oxide, decabromodiphenyl ether, opaque glass and white carbon black, wherein the resin, the aluminium hydroxide, the antimonous oxide, the decabromodiphenyl ether, the opaque glass, the blue slurry and the white carbon black are weight in the percentage by mass: 100: (10-20): (10-20): (5-10): (3-5): (5-8): (3-5); and the blue slurry is mixture of resin, silica micropowder and phthalo blue according to the mass ratio of 100: (94-95): (26-27). Due to the new formula, the flame retardant property of the liquid envelope of the metallic film capacitor is improved, so that the liquid envelope is more convenient to use, and the quality grade of the metallic film capacitor can be improved.

Description

A kind of capacitor liquid outer encapsulating host

Technical field

The present invention relates to a kind of capacitor liquid outer encapsulating host.

Background technology

Metallic film capacitor is complete electronic set and electrical equipment, the requisite base components of power equipment.Along with scientific and technological development, to the reliability level of metallic film capacitor, planform, physical dimension, especially safety in utilization etc. has proposed more and more harsh requirement.The capacitor using under most of occasions all will possess good fire resistance.

In the liquid envelope of capacitor, the host of using traditional capacitor outer encapsulating flame-retardant formulations to manufacture, its outer encapsulating fire resistance can not meet the demands, and cost is high, flame retardant effect is bad, poor stability.

Summary of the invention

Object of the present invention is exactly to solve the outer encapsulating host of using traditional capacitor outer encapsulating flame-retardant formulations and preparing process to manufacture, and the capacitor product fire resistance of production can not reach requirement, cost is high, flame retardant effect is bad, the problem of poor stability.

The technical solution used in the present invention is: the formula of this capacitor liquid outer encapsulating host comprises blue slurry, resin, aluminium hydroxide, antimonous oxide, deca-BDE, glass white, white carbon, described resin, aluminium hydroxide, antimonous oxide, deca-BDE, glass white, blue slurry, white carbon be 100:(10～20 by mass percentage): (10～20): (5～10): (3～5): (5～8): (3～5) take, described blue slurry is by resin, silicon powder, phthalocyanine blue 100:(94～95 in mass ratio): (26～27) are mixed and are formed.

Adopt technique scheme, significantly improved capacitor liquid outer encapsulating fire resistance, cost, good flame retardation effect, safe.

The improvement of technique scheme, described deca-BDE and antimonous oxide and aluminium hydroxide shared mass ratio in described formula is 30～45.

The invention has the beneficial effects as follows: by adopting new formula, improved metallic film capacitor liquid envelope fire resistance, used safelyr, improved the credit rating of metallic film capacitor.

embodiment:

A kind of capacitor liquid outer encapsulating host, the formula that it is characterized in that described capacitor liquid outer encapsulating host comprises blue slurry, resin, aluminium hydroxide, antimonous oxide, deca-BDE, glass white, white carbon, described resin, aluminium hydroxide, antimonous oxide, deca-BDE, glass white, blue slurry, white carbon is 100:(10～20 by mass percentage): (10～20): (5～10): (3～5): (5～8): (3～5) mix formation, described blue slurry is by resin, silicon powder, phthalocyanine blue is 100:(94～95 in mass ratio): (26～27) mix formation, described deca-BDE and antimonous oxide and aluminium hydroxide shared mass ratio in described formula is 30～45.

A preferred embodiment of the present invention is that blue slurry is by resin, silicon powder, phthalocyanine blue 100:(94～95 in mass ratio): (26～27) mixing and stirring; On muller, mix, make grain even, fine and smooth stand-by, resin, aluminium hydroxide, antimonous oxide, deca-BDE, glass white, blue slurry, white carbon be 100:(10～20 by mass percentage): (10～20): (5～10): (3～5): (5～8): (3～5) take, stir, mix, make grain evenly, exquisiteness obtain and produce special type flame retardant liquid outer encapsulating host for metallic film capacitor, specific embodiment is as follows:

The hot baking of baking oven that other material except resin in described formula is placed in to 105 ℃ ± 5 ℃ must not be less than 4 hours, stand-by after drying.

Proportion speed by described blue slurry takes resin, phthalocyanine blue, silicon powder is put into agitator successively, and make silicon powder cover phthalocyanine blue completely, agitator is placed on mixer, with geometrical clamp, fix, bung is built by special cap, prevent that phthalocyanine blue from flying out, start power supply, start to stir, until silicon powder and phthalocyanine blue, dissolve in after resin completely, shut down, with putty shovel, bucket is blown in bucket along upper adhesion material, continuing start stirs, mixing time must not be less than 2 hours, after stirring, takes off in slurry, on muller, mix, repeatedly mix twice altogether, after having mixed, take off stand-by, resin is when temperature is lower, can place in baking oven 90 ℃ ± 5 ℃ is dried in the time of can stirring and takes out.

(10～20) in mass ratio: (10～20): (3～5): (5～10) accurately take dried antimonous oxide, aluminium hydroxide, glass white, deca-BDE and are placed in mixer, accurate 100:(5～8 in mass ratio) take resin and blue slurry, when resin and mill base temperature are lower, can place in baking oven 90 ℃ ± 5 ℃ and be dried in the time of can stirring and take out.Be placed in agitator, pour the filler in mixer into agitator, agitator is placed on mixer, by fixture, be fixed, starting power supply starts to stir, mixing time is greater than 1 hour, make filler, pigment stirs, shut down, by quality proportioning (3～5), accurately taking white carbon (aerosol) adds in agitator, start is stirred, when white carbon all dissolves in, with putty shovel, bucket is blown in bucket along upper adhesion material, continue stir to be less than 1.5 hours, make it fully to mix, observe blue host in agitator, when being stirred to without pimple, in the time of evenly, can shut down.

It is deca-BDE and antimonous oxide that the present invention has selected new material, is characterized in that fire resistance is excellent, security performance is good.

Described calendering process process is as follows: the roll of muller is cleaned up and adjust the spacing between each roller, turn on the power switch, machine, with putty shovel, encapsulating material host is added to and metal is housed between the roll of cutter, encapsulating material host or perfusion material host fall into metal bucket through mixing, the encapsulating material perfusion material host of having mixed is put into the shady and cool dry preparation of locating or being directly used in encapsulating material, the material particle having mixed is answered uniformity, the fine and smooth even cunning of outward appearance, in the process of mixing, all while occurring that material is in the mixed material that bleeds beyond roll, must mix again once, the material having mixed will be placed in the container of adding a cover, in case sneak into impurity, dust or the moisture absorption, the material having mixed is no more than 3 days standing time.

The process for preparation of capacitor liquid outer encapsulating host is as follows: by mixing, professional technological procedure is fully mixed above-mentioned encapsulating material host through muller, put in mixer the outer encapsulating host after mixing in mass ratio (20～40) and add diluent, and fully stir, make it to mix, be set to-the 0.1MPa of pressure vacuum gauge index of defoamer, the lacquer type organic coating of mixing is put into the deaeration for the first time that defoamer carries out 5～25 minutes, after abundant deaeration, liquid level foot has a small amount of bubble to bloat can to shut down taking-up, (25～32) add curing agent in mass ratio, and manually fully stir with wooden stick, make it to mix, put the outer encapsulating material that adds curing agent into deaeration for the second time that defoamer carries out 5～25 minutes, after abundant deaeration, liquid level only has a small amount of bubble to bloat can shut down taking-up, the encapsulating material of abundant deaeration is filtered with absorbent gauze, after filtration, can use, in process for preparation, should notice that prepared encapsulating material should meet the requirement that capacitor is sealed, do not show money or valuables one carries unintentionally, do not drop, without bubble, modest viscosity, seal thickness suitable, diluent is inflammable volatile material, after use, should seal and cover tightly, take material and must accurately and have record, remain and expect standing time, be no more than 24 hours, material therefor is inflammable thing, answer Fire Hazard Area, the each batching of high temperature season must not surpass half of full class consumption, in order to avoid there is tenesmus.

Claims

1. a capacitor liquid outer encapsulating host, it comprises blue slurry, resin, aluminium hydroxide, antimonous oxide, deca-BDE, glass white, white carbon its feature, and described resin, aluminium hydroxide, antimonous oxide, deca-BDE, glass white, blue slurry, white carbon be 100:(10～20 by mass percentage): (10～20): (5～10): (3～5): (5～8): (3～5) mix formation.

2. a kind of capacitor liquid outer encapsulating host as claimed in claim 1, is characterized in that described blue slurry is by resin, silicon powder, phthalocyanine blue 100:(94～95 in mass ratio): (26～27) are mixed and are formed.

3. a kind of capacitor liquid outer encapsulating host as claimed in claim 1 or 2, is characterized in that it is 30～45 that described deca-BDE and antimonous oxide and aluminium hydroxide account for mass ratio.