CN106041367A - Soldering flux for light-emitting diode - Google Patents
Soldering flux for light-emitting diode Download PDFInfo
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- CN106041367A CN106041367A CN201610554352.0A CN201610554352A CN106041367A CN 106041367 A CN106041367 A CN 106041367A CN 201610554352 A CN201610554352 A CN 201610554352A CN 106041367 A CN106041367 A CN 106041367A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3612—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
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Abstract
The invention relates to soldering flux for a light-emitting diode. The soldering flux consists of the following components in parts by mass: 16-20 parts of PC, 18-22 parts of sorbitol anhydride mono-oleic acid ester, 14-18 parts of sodium tungstate, 12-16 parts of phosphated castor oil, 18-22 parts of dialkenyl succinimide, 14-18 parts of succinimide, 12-16 parts of acrylate emulsion, 18-22 parts of dibutyl phthalate, 14-18 parts of inositol hexaphosphate, 12-16 parts of zinc borate, 18-22 parts of urea, 14-18 parts of pentaerythritol octahydrogen tetraphosphate, 14-18 parts of molybdenum disulfide, 12-16 parts of disodium stannous citrate, 18-22 parts of bronze powder, 14-18 parts of magnesium oxide, 12-16 parts of dibutyltin dilaurate, 18-22 parts of halogenated butyl rubber, 14-18 parts of gum rosin and 12-16 parts of sodium aluminate. The soldering flux is applied to welding in a production process of the light-emitting diode, so that welding effect is better, a welding defect rate is low, and the light-emitting diode obtained by welding is good in quality.
Description
Technical field
The present invention relates to a kind of effective scaling powder of light-emitting diodes, belong to LED technology field.
Background technology
In recent years, along with the continuous progress of science and technology, China's light emitting diode industry quickly grows.Life at light emitting diode
During production. art, welding is main processing step.The adjuvant used when scaling powder is welding, the Main Function of scaling powder is
Remove solder and the oxide by weldering mother metal surface, make metal surface reach necessary cleannes, thus surface when preventing welding
Reoxidation, reduce solder surface tension, improve welding effect, it may be said that the quality of scaling powder performance directly influences luminescence
The welding quality of diode.
Summary of the invention
It is an object of the invention to provide a kind of effective scaling powder of light-emitting diodes, in order to light-emitting diodes is better achieved effective
The auxiliary welding function of scaling powder.
To achieve these goals, technical scheme is as follows.
A kind of effective scaling powder of light-emitting diodes, is made up of the component of following mass fraction: PC16～20 parts, sorbitol anhydride list
Oleate 18～22 parts, sodium tungstate 14～18 parts, phosphorylation Oleum Ricini 12～16 parts, diene base succimide 18～22 parts,
Butanimide 14～18 parts, acrylic acid ester emulsion 12～16 parts, dibutyl phthalate 18～22 parts, inositol hexaphosphate
14～18 parts, Firebrake ZB 12～16 parts, carbamide 18～22 parts, pentaerythritol phosphate 14～18 parts, molybdenum bisuphide 14～18 parts,
Distannous citrate 12～16 parts, bronze powder 18～22 parts, magnesium oxide 14～18 parts, dibutyl tin laurate 12～16
Part, halogenated butyl rubber 18～22 parts, gum rosin 14～18 parts, sodium aluminate 12～16 parts.
Further, the effective scaling powder of above-mentioned light-emitting diodes, it is made up of the component of following mass fraction: PC16 part, Pyrusussuriensis
Alcohol acid anhydride monoleate 18 parts, sodium tungstate 14 parts, phosphorylation Oleum Ricini 12 parts, diene base succimide 18 parts, butanimide
14 parts, acrylic acid ester emulsion 12 parts, dibutyl phthalate 18 parts, inositol hexaphosphate 14 parts, Firebrake ZB 12 parts, carbamide 18
Part, pentaerythritol phosphate 14 parts, molybdenum bisuphide 14 parts, distannous citrate 12 parts, bronze powder 18 parts, magnesium oxide 14 parts,
Dibutyl tin laurate 12 parts, halogenated butyl rubber 18 parts, gum rosin 14 parts, sodium aluminate 12 parts.
Further, the effective scaling powder of above-mentioned light-emitting diodes, it is made up of the component of following mass fraction: PC18 part, Pyrusussuriensis
Alcohol acid anhydride monoleate 20 parts, sodium tungstate 16 parts, phosphorylation Oleum Ricini 14 parts, diene base succimide 20 parts, butanimide
16 parts, acrylic acid ester emulsion 14 parts, dibutyl phthalate 20 parts, inositol hexaphosphate 16 parts, Firebrake ZB 14 parts, carbamide 20
Part, pentaerythritol phosphate 16 parts, molybdenum bisuphide 16 parts, distannous citrate 14 parts, bronze powder 20 parts, magnesium oxide 16 parts,
Dibutyl tin laurate 14 parts, halogenated butyl rubber 20 parts, gum rosin 16 parts, sodium aluminate 14 parts.
Further, the effective scaling powder of above-mentioned light-emitting diodes, it is made up of the component of following mass fraction: PC20 part, Pyrusussuriensis
Alcohol acid anhydride monoleate 22 parts, sodium tungstate 18 parts, phosphorylation Oleum Ricini 16 parts, diene base succimide 22 parts, butanimide
18 parts, acrylic acid ester emulsion 16 parts, dibutyl phthalate 22 parts, inositol hexaphosphate 18 parts, Firebrake ZB 16 parts, carbamide 22
Part, pentaerythritol phosphate 18 parts, molybdenum bisuphide 18 parts, distannous citrate 16 parts, bronze powder 22 parts, magnesium oxide 18 parts,
Dibutyl tin laurate 16 parts, halogenated butyl rubber 22 parts, gum rosin 18 parts, sodium aluminate 16 parts.
Further, described bronze powder is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 30～50 mesh,
50～80 mesh, 80～100 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 3～7:4～8:1.
Further, described magnesium oxide is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 30～50 mesh,
50～80 mesh, 80～100 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 3～8:2～8:1.
Further, the viscosity of described acrylic acid ester emulsion is 12000～14000mpa.s at 25 DEG C.
Further, described sodium aluminate is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 20～50 mesh,
50～70 mesh, 70～90 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 2～4:3～5:1.
Further, the viscosity of described sorbitan mono-oleic acid ester is 8000～10000mpa.s at 25 DEG C.
Further, above-mentioned light-emitting diodes effective scaling powder preparation method step is as follows:
(1) by the PC of described mass fraction, sorbitan mono-oleic acid ester, sodium tungstate, phosphorylation Oleum Ricini, double allyl butyrate two
Acid imide, butanimide, acrylic acid ester emulsion, carbamide, pentaerythritol phosphate, molybdenum bisuphide, dibutyl tin laurate,
Halogenated butyl rubber, gum rosin, sodium aluminate are mixed, ultrasonic high speed dispersion, and ultrasonic frequency is 20～40KHz, dispersion speed
Degree 5000～about 5400r/min, jitter time is 30～60min；
(2) distannous citrate of described mass fraction, bronze powder, magnesium oxide are added, ultrasonic high speed dispersion, ultrasound wave
Frequency is 20～35KHz, rate of dispersion 4800～about 5200r/min, and jitter time is 30～50min；
(3) adding the dibutyl phthalate of described mass fraction, inositol hexaphosphate, Firebrake ZB, ultrasonic high speed is divided
Dissipating, ultrasonic frequency is 20～30KHz, rate of dispersion 4600～about 4800r/min, and jitter time is 20～40min；Mixing
This product is prepared after uniformly.
This beneficial effect of the invention is: by the weldering in flux application of the present invention to light emitting diode production process
In connecing, welding effect can be made more preferable, welding fault rate is low, and the light emitting diode quality that welding obtains is good.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is described, in order to be better understood from the present invention.
Embodiment 1
The effective scaling powder of light-emitting diodes in the present embodiment, is made up of the component of following mass fraction: PC16 part, sorbitol
Acid anhydride monoleate 18 parts, sodium tungstate 14 parts, phosphorylation Oleum Ricini 12 parts, diene base succimide 18 parts, butanimide 14
Part, acrylic acid ester emulsion 12 parts, dibutyl phthalate 18 parts, inositol hexaphosphate 14 parts, Firebrake ZB 12 parts, carbamide 18
Part, pentaerythritol phosphate 14 parts, molybdenum bisuphide 14 parts, distannous citrate 12 parts, bronze powder 18 parts, magnesium oxide 14 parts,
Dibutyl tin laurate 12 parts, halogenated butyl rubber 18 parts, gum rosin 14 parts, sodium aluminate 12 parts.
Described bronze powder is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 30～50 mesh, 50～80 mesh,
80～100 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 3:4:1.
Described magnesium oxide is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 30～50 mesh, 50～80 mesh,
80～100 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 3:2:1.
The viscosity of described acrylic acid ester emulsion is 12000mpa.s at 25 DEG C.
Described sodium aluminate is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 20～50 mesh, 50～70 mesh,
70～90 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 2:3:1.
The viscosity of described sorbitan mono-oleic acid ester is 8000mpa.s at 25 DEG C.
Above-mentioned light-emitting diodes effective scaling powder preparation method step is as follows:
(1) by the PC of described mass fraction, sorbitan mono-oleic acid ester, sodium tungstate, phosphorylation Oleum Ricini, double allyl butyrate two
Acid imide, butanimide, acrylic acid ester emulsion, carbamide, pentaerythritol phosphate, molybdenum bisuphide, dibutyl tin laurate,
Halogenated butyl rubber, gum rosin, sodium aluminate are mixed, ultrasonic high speed dispersion, and ultrasonic frequency is 20kHz, rate of dispersion
About 5400r/min, jitter time is 60min；
(2) distannous citrate of described mass fraction, bronze powder, magnesium oxide are added, ultrasonic high speed dispersion, ultrasound wave
Frequency is 20kHz, rate of dispersion about 5200r/min, and jitter time is 50min；
(3) adding the dibutyl phthalate of described mass fraction, inositol hexaphosphate, Firebrake ZB, ultrasonic high speed is divided
Dissipating, ultrasonic frequency is 20kHz, rate of dispersion about 4800r/min, and jitter time is 40min；This is prepared after mix homogeneously
Product.
By the present embodiment prepare scaling powder, be used for welding light emitting diode, in welding process, do not produce unpleasant or
Poisonous gas, after welding terminates, welding effect is good, and its face of weld is clean, is not required to be carried out.
Embodiment 2
The effective scaling powder of light-emitting diodes in the present embodiment, is made up of the component of following mass fraction: PC18 part, sorbitol
Acid anhydride monoleate 20 parts, sodium tungstate 16 parts, phosphorylation Oleum Ricini 14 parts, diene base succimide 20 parts, butanimide 16
Part, acrylic acid ester emulsion 14 parts, dibutyl phthalate 20 parts, inositol hexaphosphate 16 parts, Firebrake ZB 14 parts, carbamide 20
Part, pentaerythritol phosphate 16 parts, molybdenum bisuphide 16 parts, distannous citrate 14 parts, bronze powder 20 parts, magnesium oxide 16 parts,
Dibutyl tin laurate 14 parts, halogenated butyl rubber 20 parts, gum rosin 16 parts, sodium aluminate 14 parts.
Described bronze powder is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 30～50 mesh, 50～80 mesh,
80～100 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 5:6:1.
Described magnesium oxide is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 30～50 mesh, 50～80 mesh,
80～100 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 5:5:1.
The viscosity of described acrylic acid ester emulsion is 13000mpa.s at 25 DEG C.
Described sodium aluminate is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 20～50 mesh, 50～70 mesh,
70～90 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 3:4:1.
The viscosity of described sorbitan mono-oleic acid ester is 9000mpa.s at 25 DEG C.
Above-mentioned light-emitting diodes effective scaling powder preparation method step is as follows:
(1) by the PC of described mass fraction, sorbitan mono-oleic acid ester, sodium tungstate, phosphorylation Oleum Ricini, double allyl butyrate two
Acid imide, butanimide, acrylic acid ester emulsion, carbamide, pentaerythritol phosphate, molybdenum bisuphide, dibutyl tin laurate,
Halogenated butyl rubber, gum rosin, sodium aluminate are mixed, ultrasonic high speed dispersion, and ultrasonic frequency is 30kHz, rate of dispersion
About 5200r/min, jitter time is 45min；
(2) distannous citrate of described mass fraction, bronze powder, magnesium oxide are added, ultrasonic high speed dispersion, ultrasound wave
Frequency is 27kHz, rate of dispersion about 5000r/min, and jitter time is 40min；
(3) adding the dibutyl phthalate of described mass fraction, inositol hexaphosphate, Firebrake ZB, ultrasonic high speed is divided
Dissipating, ultrasonic frequency is 25kHz, rate of dispersion about 4700r/min, and jitter time is 30min；This is prepared after mix homogeneously
Product.
Embodiment 3
The effective scaling powder of light-emitting diodes in the present embodiment, is made up of the component of following mass fraction: PC20 part, sorbitol
Acid anhydride monoleate 22 parts, sodium tungstate 18 parts, phosphorylation Oleum Ricini 16 parts, diene base succimide 22 parts, butanimide 18
Part, acrylic acid ester emulsion 16 parts, dibutyl phthalate 22 parts, inositol hexaphosphate 18 parts, Firebrake ZB 16 parts, carbamide 22
Part, pentaerythritol phosphate 18 parts, molybdenum bisuphide 18 parts, distannous citrate 16 parts, bronze powder 22 parts, magnesium oxide 18 parts,
Dibutyl tin laurate 16 parts, halogenated butyl rubber 22 parts, gum rosin 18 parts, sodium aluminate 16 parts.
Described bronze powder is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 30～50 mesh, 50～80 mesh,
80～100 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 7:8:1.
Described magnesium oxide is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 30～50 mesh, 50～80 mesh,
80～100 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 8:8:1.
The viscosity of described acrylic acid ester emulsion is 14000mpa.s at 25 DEG C.
Described sodium aluminate is made up of the powder body of three kinds of particle diameter mesh numbers, its particle diameter mesh number be respectively 20～50 mesh, 50～70 mesh,
70～90 mesh, the mixing quality ratio of above-mentioned three kinds of powder body is 4:5:1.
The viscosity of described sorbitan mono-oleic acid ester is 10000mpa.s at 25 DEG C.
Above-mentioned light-emitting diodes effective scaling powder preparation method step is as follows:
(1) by the PC of described mass fraction, sorbitan mono-oleic acid ester, sodium tungstate, phosphorylation Oleum Ricini, double allyl butyrate two
Acid imide, butanimide, acrylic acid ester emulsion, carbamide, pentaerythritol phosphate, molybdenum bisuphide, dibutyl tin laurate,
Halogenated butyl rubber, gum rosin, sodium aluminate are mixed, ultrasonic high speed dispersion, and ultrasonic frequency is 40kHz, rate of dispersion
5000r/min, jitter time is 30min；
(2) distannous citrate of described mass fraction, bronze powder, magnesium oxide are added, ultrasonic high speed dispersion, ultrasound wave
Frequency is 35kHz, rate of dispersion 4800r/min, and jitter time is 30min；
(3) adding the dibutyl phthalate of described mass fraction, inositol hexaphosphate, Firebrake ZB, ultrasonic high speed is divided
Dissipating, ultrasonic frequency is 30kHz, rate of dispersion about 4600r/min, and jitter time is 20min；This is prepared after mix homogeneously
Product.
By the present embodiment prepare scaling powder, be used for welding light emitting diode, in welding process, do not produce unpleasant or
Poisonous gas, after welding terminates, welding effect is good, and its face of weld is clean, is not required to be carried out.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. the effective scaling powder of light-emitting diodes, it is characterised in that: it is made up of the component of following mass fraction: PC16～20 parts,
Sorbitan mono-oleic acid ester 18～22 parts, sodium tungstate 14～18 parts, phosphorylation Oleum Ricini 12～16 parts, diene base succimide
18～22 parts, butanimide 14～18 parts, acrylic acid ester emulsion 12～16 parts, dibutyl phthalate 18～22 parts, flesh
Alcohol six phosphate ester 14～18 parts, Firebrake ZB 12～16 parts, carbamide 18～22 parts, pentaerythritol phosphate 14～18 parts, curing
Molybdenum 14～18 parts, distannous citrate 12～16 parts, bronze powder 18～22 parts, magnesium oxide 14～18 parts, tin dilaurate two fourth
Base stannum 12～16 parts, halogenated butyl rubber 18～22 parts, gum rosin 14～18 parts, sodium aluminate 12～16 parts.
The effective scaling powder of light-emitting diodes the most according to claim 1, it is characterised in that: the effective scaling powder of described light-emitting diodes
It is made up of the component of following mass fraction: PC16 part, sorbitan mono-oleic acid ester 18 parts, sodium tungstate 14 parts, phosphorylation Oleum Ricini
12 parts, diene base succimide 18 parts, butanimide 14 parts, acrylic acid ester emulsion 12 parts, dibutyl phthalate 18
Part, inositol hexaphosphate 14 parts, Firebrake ZB 12 parts, 18 parts of carbamide, pentaerythritol phosphate 14 parts, molybdenum bisuphide 14 parts, Fructus Citri Limoniae
Distannous 12 parts of acid, bronze powder 18 parts, magnesium oxide 14 parts, dibutyl tin laurate 12 parts, halogenated butyl rubber 18 parts, fat
Colophonium 14 parts, sodium aluminate 12 parts.
The effective scaling powder of light-emitting diodes the most according to claim 1, it is characterised in that: the effective scaling powder of described light-emitting diodes
It is made up of the component of following mass fraction: PC18 part, sorbitan mono-oleic acid ester 20 parts, sodium tungstate 16 parts, phosphorylation Oleum Ricini
14 parts, diene base succimide 20 parts, butanimide 16 parts, acrylic acid ester emulsion 14 parts, dibutyl phthalate 20
Part, inositol hexaphosphate 16 parts, Firebrake ZB 14 parts, 20 parts of carbamide, pentaerythritol phosphate 16 parts, molybdenum bisuphide 16 parts, Fructus Citri Limoniae
Distannous 14 parts of acid, bronze powder 20 parts, magnesium oxide 16 parts, dibutyl tin laurate 14 parts, halogenated butyl rubber 20 parts, fat
Colophonium 16 parts, sodium aluminate 14 parts.
The effective scaling powder of light-emitting diodes the most according to claim 1, it is characterised in that: the effective scaling powder of described light-emitting diodes
It is made up of the component of following mass fraction: PC20 part, sorbitan mono-oleic acid ester 22 parts, sodium tungstate 18 parts, phosphorylation Oleum Ricini
16 parts, diene base succimide 22 parts, butanimide 18 parts, acrylic acid ester emulsion 16 parts, dibutyl phthalate 22
Part, inositol hexaphosphate 18 parts, Firebrake ZB 16 parts, 22 parts of carbamide, pentaerythritol phosphate 18 parts, molybdenum bisuphide 18 parts, Fructus Citri Limoniae
Distannous 16 parts of acid, bronze powder 22 parts, magnesium oxide 18 parts, dibutyl tin laurate 16 parts, halogenated butyl rubber 22 parts, fat
Colophonium 18 parts, sodium aluminate 16 parts.
The effective scaling powder of light-emitting diodes the most according to claim 1, it is characterised in that: described bronze powder is by three kinds of particle diameter mesh
The powder body composition of number, its particle diameter mesh number is respectively 30～50 mesh, 50～80 mesh, 80～100 mesh, the mictoplasm of above-mentioned three kinds of powder body
Amount ratio is 3～7:4～8:1.
The effective scaling powder of light-emitting diodes the most according to claim 1, it is characterised in that: described magnesium oxide is by three kinds of particle diameter mesh
The powder body composition of number, its particle diameter mesh number is respectively 30～50 mesh, 50～80 mesh, 80～100 mesh, the mictoplasm of above-mentioned three kinds of powder body
Amount ratio is 3～8:2～8:1.
The effective scaling powder of light-emitting diodes the most according to claim 1, it is characterised in that: the viscosity of described acrylic acid ester emulsion
It is 12000～14000mpa.s at 25 DEG C.
The effective scaling powder of light-emitting diodes the most according to claim 1, it is characterised in that: described sodium aluminate is by three kinds of particle diameter mesh
The powder body composition of number, its particle diameter mesh number is respectively 20～50 mesh, 50～70 mesh, 70～90 mesh, the mictoplasm of above-mentioned three kinds of powder body
Amount ratio is 2～4:3～5:1.
The effective scaling powder of light-emitting diodes the most according to claim 1, it is characterised in that: described sorbitan mono-oleic acid ester
Viscosity is 8000～10000mpa.s at 25 DEG C.
The effective scaling powder of light-emitting diodes the most according to claim 1, it is characterised in that: described light-emitting diodes is effective helps weldering
Agent preparation method step is as follows:
(1) by the PC of described mass fraction, sorbitan mono-oleic acid ester, sodium tungstate, phosphorylation Oleum Ricini, diene base succinyl Asia
Amine, butanimide, acrylic acid ester emulsion, carbamide, pentaerythritol phosphate, molybdenum bisuphide, dibutyl tin laurate, halogenation
Butyl rubber, gum rosin, sodium aluminate are mixed, ultrasonic high speed dispersion, and ultrasonic frequency is 20～40KHz, rate of dispersion
5000～5400r/min, jitter time is 30～60min；
(2) distannous citrate of described mass fraction, bronze powder, magnesium oxide are added, ultrasonic high speed dispersion, ultrasonic frequency
Being 20～35KHz, rate of dispersion 4800～5200r/min, jitter time is 30～50min；
(3) dibutyl phthalate of described mass fraction, inositol hexaphosphate, Firebrake ZB are added, ultrasonic high speed dispersion is super
Frequency of sound wave is 20～30KHz, rate of dispersion 4600～4800r/min, and jitter time is 20～40min；Make after mix homogeneously
Obtain this product.
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| CN201610554352.0A CN106041367A (en) | 2016-07-14 | 2016-07-14 | Soldering flux for light-emitting diode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326471A (en) * | 2017-12-11 | 2018-07-27 | 安徽宝辰机电设备科技有限公司 | A kind of scaling powder additive |
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