CN106195695A - A kind of production technology of flexible LED lamp bar - Google Patents
A kind of production technology of flexible LED lamp bar Download PDFInfo
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- CN106195695A CN106195695A CN201610503251.0A CN201610503251A CN106195695A CN 106195695 A CN106195695 A CN 106195695A CN 201610503251 A CN201610503251 A CN 201610503251A CN 106195695 A CN106195695 A CN 106195695A
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- led lamp
- flexible led
- weight ratio
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- imposite
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- 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
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- 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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to technical field of electronic products, be specifically related to the production technology of a kind of flexible LED lamp bar, comprise the steps: (1) imposite paster: polylith flexible PCB is carried out respectively paster process, obtains polylith flexible LED lamp plate；(2) imposite welding: the head and the tail of polylith flexible LED lamp plate are welded successively, obtains flexible LED lamp plate imposite；(3) imposite glue spraying: the flexible LED lamp plate after welding is carried out glue spraying process；(4) imposite cutting: the flexible LED lamp plate imposite after glue spraying is cut into a plurality of flexible LED lamp bar and carries out clot respectively.The present invention, by using the welding of imposite paster, imposite, imposite glue spraying and imposite cutting, one-time positioning in process of production, substantially increases the production efficiency of whole production process, and production yields is tens times of increases, and production efficiency is high, and production cost is low.
Description
Technical field
The present invention relates to technical field of electronic products, be specifically related to the production technology of a kind of flexible LED lamp bar.
Background technology
The production technology of existing flexible LED lamp bar is to cut into light bar one by one by after the flexible PCB paster of imposite
(cut and have tens afterwards), carry out welding, glue spraying and clot the most respectively, will wall scroll in middle each production process
Location produces, and has had a strong impact on whole production efficiency.
Summary of the invention
In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide a kind of flexible LED lamp bar
Production technology.
The purpose of the present invention is achieved through the following technical solutions: the production technology of a kind of flexible LED lamp bar, including walking as follows
Rapid:
(1) imposite paster: polylith flexible PCB is carried out respectively paster process, obtains polylith flexible LED lamp plate；
(2) imposite welding: the head and the tail of polylith flexible LED lamp plate are welded successively, obtains flexible LED lamp plate imposite；
(3) imposite glue spraying: the flexible LED lamp plate after welding is carried out glue spraying process；
(4) imposite cutting: the flexible LED lamp plate imposite after glue spraying is cut into a plurality of flexible LED lamp bar and carries out clot respectively.
Preferably, in described step (3), the distance between gum exudation mouth and the described flexible LED lamp plate of glue spraying is 0.4-
0.8mm, glue spraying pressure is 0.12-0.16MPa, and glue spraying speed is 10-20cm/s, and the thickness of glue spraying is 0.3-0.5mm.
The present invention is by the distance between strict gum exudation mouth and the flexible LED lamp plate controlling glue spraying, and glue spraying pressure and spray
Glue speed, can control the thickness of glue spraying at 0.3-0.5mm, and glue spraying is uniform, effective.
Preferably, in described step (3), the glue that glue spraying uses includes the raw material of following weight portion:
Epoxy resin 15-35 part
Phenolic resin 15-35 part
Synthetic rubber 5-15 part
Filler 5-15 part
Fire retardant 1-5 part
Firming agent 1-5 part
Curing accelerator 0.5-1.5 part
Coupling agent 0.5-1.5 part
Solvent 80-120 part.
The glue of the present invention is by using above-mentioned raw materials, and strictly controls the weight proportion of each raw material, and prepared glue is solid
Change speed fast, also there is good fire resistance, peel strength, scolding tin thermostability, electrical property and heat-resisting quantity.
Preferably, described epoxy resin is halogen-free epoxy resin, high-fire resistance epoxy resin and fire-retarded epoxy resin
In at least one.
The present invention is by using above-mentioned epoxy resin, and prepared glue has good process based prediction model, and it is to gold
Belonging to and the surface of nonmetallic materials has excellent adhesive strength, dielectric properties are good, and deformation retract rate is little, and product size is stable
Property good, hardness is high, and pliability is preferable.
Described halogen-free epoxy resin is by bisphenol A type epoxy resin, bisphenol f type epoxy resin and bisphenol-A D-ring oxygen tree
The mixture that fat forms with weight ratio 2-4:1.4-2.2:1.
The present invention is by using bisphenol A type epoxy resin, bisphenol f type epoxy resin and bisphenol-A D-ring epoxy resins as nothing
Halogen epoxy resin is compounding to be used, and to control its weight ratio be 2-4:1.4-2.2:1, and environmental protection, prepared glue has preferably
Electric property.
Described fire-retarded epoxy resin is the phosphorus weight content phosphorous epoxy resin at 1%-3%.
The present invention, by using phosphorus weight content at the phosphorous epoxy resin of 1%-3% as fire-retarded epoxy resin, prepares
Glue there is good fire resistance.
Preferably, described phenolic resin is with weight ratio 1:0.5-by phenol type phenolic resin and bisphenol A-type phenolic resin
The mixture of 1.5 compositions.
The present invention is by using phenol type phenolic resin and bisphenol A-type phenolic aldehyde tree to use as phenolic resin is compounding, and controls
Making its weight ratio is 1:0.5-1.5, and prepared glue has preferable heat resistance and electric property.
The mixture that described synthetic rubber is made up of with weight ratio 1:1.6-2.4 butadiene-styrene rubber and nitrile rubber.
The present invention is by using butadiene-styrene rubber and nitrile rubber to use as synthetic rubber is compounding, and controls its weight ratio and be
1:1.6-2.4, the glue prepared has preferable heat resistance.
Preferably, described filler is with weight ratio 1:0.8-1.2 by magnesium hydroxide, titanium dioxide and nano-calcium carbonate:
1.4-2.2 the mixture of composition.
The present invention is by using magnesium hydroxide, titanium dioxide and nano-calcium carbonate to use as filler is compounding, and controls
Its weight ratio is 1:0.8-1.2:1.4-2.2, and prepared glue has preferable peel strength and resistance to elevated temperatures.
The mixture that described fire retardant is made up of with weight ratio 1-3:1 antimony oxide and aluminium hydroxide.
The present invention is by using antimony oxide and aluminium hydroxide to use as fire retardant is compounding, and controls its weight ratio and be
1-3:1, prepared glue has preferable fire resistance.
Preferably, described firming agent is with weight by vinyl triamine, diamino-cyclohexane and di-2-ethylhexylphosphine oxide hexamethylene alkanamine
Mixture than 1:0.8-1.2:1.5-2.5 composition.
The present invention compounds as firming agent by using vinyl triamine, diamino-cyclohexane and di-2-ethylhexylphosphine oxide hexamethylene alkanamine
Using, and to control its weight ratio be 1:0.8-1.2:1.5-2.5, prepared glue curing rate is fast, and solidification effect is good.
Described curing accelerator is with weight by 2-ethyl imidazol(e), 2-ethyl-4-methylimidazole and 2-phenyl-4-methylimidazole
Measure the mixture than 1.5-2.5:0.5-1.5:1 composition.
The present invention is by using 2-ethyl imidazol(e), 2-ethyl-4-methylimidazole and 2-phenyl-4-methylimidazole as solidification
Accelerator is compounding to be used, and to control its weight ratio be 1.5-2.5:0.5-1.5:1, and prepared glue curing rate is fast, solidification effect
The best.
Preferably, described coupling agent be by vinyltriacetoxy silane, vinyl three tert-butyl peroxide silane and
The mixture that vinyl three ('beta '-methoxy ethyoxyl) silane forms with weight ratio 1.4-2.2:1:2-4.
The present invention is by using vinyltriacetoxy silane, vinyl three tert-butyl peroxide silane and vinyl three
('beta '-methoxy ethyoxyl) silane is as coupling agent, and to control its weight ratio be 1.4-2.2:1:2-4, can improve synthetic resin
Interface performance with electrodeless filler.
Described solvent is with weight ratio 1:0.8-1.2 by DMAC N,N' dimethyl acetamide, methyl ethyl ketone and ethylene glycol monomethyl ether:
The mixture of 2-4 composition.
The present invention makes as solvent complex by using DMAC N,N' dimethyl acetamide, methyl ethyl ketone and ethylene glycol monomethyl ether
With, and to control its weight ratio be 1:0.8-1.2:2-4, its solute effect is good.
Preferably, in described step (3), the glue that glue spraying uses also includes defoamer 0.5-1.5 part and thickening agent 0.5-
1.5 part.
Described defoamer is with weight ratio 4-6:2-by NPE, sodium carboxymethyl cellulose and silicon dioxide
The mixture of 4:1 composition.
The present invention by use NPE, sodium carboxymethyl cellulose and silicon dioxide as defoamer, and
Controlling its weight ratio is 4-6:2-4:1, and its defoaming effect is good.
Described thickening agent is with weight ratio 1 by carboxymethyl cellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose:
1.5-2.5:0.5-1.5 the mixture of composition.
The present invention is by using carboxymethyl cellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose multiple as thickening agent
Joining use, and to control its weight ratio be 1:1.5-2.5:0.5-1.5, prepared glue has preferable stability.
Preferably, in described step (3), the glue that glue spraying uses also includes antioxidant 0.5-1.5 part and ultraviolet (UV) resistant agent
0.5-1.5 part.
The mixture that described antioxidant is made up of with weight ratio 1:1-2 antioxidant 1010 and irgasfos 168.
The present invention is by using antioxidant 1010 and irgasfos 168 to use as antioxidant is compounding, and controls its weight ratio
For 1:1-2, two kinds of antioxidant are environmental protection antioxidant and have certain synergism, can delay or suppress material oxidation mistake
The carrying out of journey, thus stop the aging of material and extend its service life.
Described ultraviolet (UV) resistant agent is by 4-benzoyloxy-2,2,6,6-tetramethyl piperidines and 2-hydroxyl-4-n-octyloxy
The mixture that benzophenone forms with weight ratio 1:1.8-2.6.
The present invention is by using 4-benzoyloxy-2,2,6,6-tetramethyl piperidines and 2-hydroxyl-4-n-octyloxy hexichol
Ketone uses as ultraviolet (UV) resistant agent is compounding, and the glue uvioresistant prepared is effective, substantially increases goods at exposure air
In service life.
The beneficial effects of the present invention is: the present invention cuts by using the welding of imposite paster, imposite, imposite glue spraying and imposite
Cut, in process of production one-time positioning, lacked 1/tens relative to the location work after cutting, substantially increased whole life
The production efficiency of product process, and production yields is tens times of increases, production efficiency is high, and production cost is low.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment, the present invention is further illustrated, real
The content that the mode of executing is mentioned not limitation of the invention.
Embodiment 1
The production technology of a kind of flexible LED lamp bar, comprises the steps:
(1) imposite paster: polylith flexible PCB is carried out respectively paster process, obtains polylith flexible LED lamp plate；
(2) imposite welding: the head and the tail of polylith flexible LED lamp plate are welded successively, obtains flexible LED lamp plate imposite；
(3) imposite glue spraying: the flexible LED lamp plate after welding is carried out glue spraying process；
(4) imposite cutting: the flexible LED lamp plate imposite after glue spraying is cut into a plurality of flexible LED lamp bar and carries out clot respectively.
In described step (3), the distance between gum exudation mouth and the described flexible LED lamp plate of glue spraying is 0.4mm, and glue spraying pressure is
0.12MPa, glue spraying speed is 10cm/s, and the thickness of glue spraying is 0.3mm.
In described step (3), the glue that glue spraying uses includes the raw material of following weight portion:
Epoxy resin 15 parts
15 parts of phenolic resin
Synthetic rubber 5 parts
Filler 5 parts
Fire retardant 1 part
1 part of firming agent
Curing accelerator 0.5 part
Coupling agent 0.5 part
Solvent 80 parts.
Described epoxy resin is halogen-free epoxy resin；Described halogen-free epoxy resin is by bisphenol A type epoxy resin, double
The mixture that phenol F type epoxy resin and bisphenol-A D-ring epoxy resins form with weight ratio 2:1.4:1.
Described phenolic resin by phenol type phenolic resin and bisphenol A-type phenolic resin with weight ratio 1:0.5 form mixed
Compound；The mixture that described synthetic rubber is made up of with weight ratio 1:1.6 butadiene-styrene rubber and nitrile rubber.
Described filler by magnesium hydroxide, titanium dioxide and nano-calcium carbonate with weight ratio 1:0.8:1.4 form mixed
Compound；The mixture that described fire retardant is made up of with weight ratio 1:1 antimony oxide and aluminium hydroxide.
Described firming agent is with weight ratio 1:0.8 by vinyl triamine, diamino-cyclohexane and di-2-ethylhexylphosphine oxide hexamethylene alkanamine:
The mixture of 1.5 compositions；Described curing accelerator is by 2-ethyl imidazol(e), 2-ethyl-4-methylimidazole and 2-phenyl-4-methyl
The mixture that imidazoles forms with weight ratio 1.5:0.5:1.
Described coupling agent is by vinyltriacetoxy silane, vinyl three tert-butyl peroxide silane and vinyl three
The mixture that ('beta '-methoxy ethyoxyl) silane forms with weight ratio 1.4:1:2；Described solvent be by DMAC N,N' dimethyl acetamide,
The mixture that methyl ethyl ketone and ethylene glycol monomethyl ether form with weight ratio 1:0.8:2.
In described step (3), the glue that glue spraying uses also includes defoamer 0.5 part and thickening agent 0.5 part；Described defoamer
The mixture being made up of with weight ratio 4:2:1 NPE, sodium carboxymethyl cellulose and silicon dioxide；Described increasing
Thick dose by carboxymethyl cellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose with weight ratio 1:1.5:0.5 form mixed
Compound.
In described step (3), the glue that glue spraying uses also includes 0.5 part of antioxidant and ultraviolet (UV) resistant agent 0.5 part；Described anti-
The mixture that oxygen agent is made up of with weight ratio 1:1 antioxidant 1010 and irgasfos 168；Described ultraviolet (UV) resistant agent is by 4-benzene first
The mixing that acyloxy-2,2,6,6-tetramethyl piperidines and Octabenzone form with weight ratio 1:1.8
Thing.
Embodiment 2
The present embodiment is with the difference of above-described embodiment 1:
In described step (3), the distance between gum exudation mouth and the described flexible LED lamp plate of glue spraying is 0.5mm, and glue spraying pressure is
0.13MPa, glue spraying speed is 12cm/s, and the thickness of glue spraying is 0.35mm.
In described step (3), the glue that glue spraying uses includes the raw material of following weight portion:
Epoxy resin 20 parts
20 parts of phenolic resin
Synthetic rubber 8 parts
Filler 8 parts
Fire retardant 2 parts
2 parts of firming agent
Curing accelerator 0.8 part
Coupling agent 0.8 part
Solvent 90 parts.
Described epoxy resin is high-fire resistance epoxy resin.
Described phenolic resin by phenol type phenolic resin and bisphenol A-type phenolic resin with weight ratio 1:0.8 form mixed
Compound；The mixture that described synthetic rubber is made up of with weight ratio 1:1.8 butadiene-styrene rubber and nitrile rubber.
Described filler by magnesium hydroxide, titanium dioxide and nano-calcium carbonate with weight ratio 1:0.9:1.6 form mixed
Compound；The mixture that described fire retardant is made up of with weight ratio 1.5:1 antimony oxide and aluminium hydroxide.
Described firming agent is with weight ratio 1:0.9 by vinyl triamine, diamino-cyclohexane and di-2-ethylhexylphosphine oxide hexamethylene alkanamine:
The mixture of 1.8 compositions；Described curing accelerator is by 2-ethyl imidazol(e), 2-ethyl-4-methylimidazole and 2-phenyl-4-methyl
The mixture that imidazoles forms with weight ratio 1.8:0.8:1.
Described coupling agent is by vinyltriacetoxy silane, vinyl three tert-butyl peroxide silane and vinyl three
The mixture that ('beta '-methoxy ethyoxyl) silane forms with weight ratio 1.6:1:2.5；Described solvent is by N, N-dimethylacetamide
The mixture that amine, methyl ethyl ketone and ethylene glycol monomethyl ether form with weight ratio 1:0.9:2.5.
In described step (3), the glue that glue spraying uses also includes defoamer 0.8 part and thickening agent 0.8 part；Described defoamer
The mixture being made up of with weight ratio 4.5:2.5:1 NPE, sodium carboxymethyl cellulose and silicon dioxide；Institute
State thickening agent to be made up of with weight ratio 1:1.8:0.8 carboxymethyl cellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose
Mixture.
In described step (3), the glue that glue spraying uses also includes 0.8 part of antioxidant and ultraviolet (UV) resistant agent 0.8 part；Described anti-
The mixture that oxygen agent is made up of with weight ratio 1:1.2 antioxidant 1010 and irgasfos 168；Described ultraviolet (UV) resistant agent is by 4-benzene
The mixing that formyloxy-2,2,6,6-tetramethyl piperidines and Octabenzone form with weight ratio 1:2.0
Thing.
Embodiment 3
The present embodiment is with the difference of above-described embodiment 1:
In described step (3), the distance between gum exudation mouth and the described flexible LED lamp plate of glue spraying is 0.6mm, and glue spraying pressure is
0.14MPa, glue spraying speed is 15cm/s, and the thickness of glue spraying is 0.4mm.
In described step (3), the glue that glue spraying uses includes the raw material of following weight portion:
Epoxy resin 25 parts
25 parts of phenolic resin
Synthetic rubber 10 parts
Filler 10 parts
Fire retardant 3 parts
3 parts of firming agent
Curing accelerator 1 part
Coupling agent 1 part
Solvent 100 parts.
Described epoxy resin is fire-retarded epoxy resin；Described fire-retarded epoxy resin be phosphorus weight content 1% phosphorous
Epoxy resin.
The mixing that described phenolic resin is made up of with weight ratio 1:1 phenol type phenolic resin and bisphenol A-type phenolic resin
Thing；The mixture that described synthetic rubber is made up of with weight ratio 1:2 butadiene-styrene rubber and nitrile rubber.
The mixing that described filler is made up of with weight ratio 1:1:1.8 magnesium hydroxide, titanium dioxide and nano-calcium carbonate
Thing；The mixture that described fire retardant is made up of with weight ratio 2:1 antimony oxide and aluminium hydroxide.
Described firming agent is with weight ratio 1:1:2 by vinyl triamine, diamino-cyclohexane and di-2-ethylhexylphosphine oxide hexamethylene alkanamine
The mixture of composition；Described curing accelerator is by 2-ethyl imidazol(e), 2-ethyl-4-methylimidazole and 2-phenyl-4-methyl miaow
The mixture that azoles forms with weight ratio 2:1:1.
Described coupling agent is by vinyltriacetoxy silane, vinyl three tert-butyl peroxide silane and vinyl three
The mixture that ('beta '-methoxy ethyoxyl) silane forms with weight ratio 1.8:1:3；Described solvent be by DMAC N,N' dimethyl acetamide,
The mixture that methyl ethyl ketone and ethylene glycol monomethyl ether form with weight ratio 1:1:3.
In described step (3), the glue that glue spraying uses also includes defoamer 1 part and thickening agent 1 part；Described defoamer be by
The mixture that NPE, sodium carboxymethyl cellulose and silicon dioxide form with weight ratio 5:3:1；Described thickening agent
The mixture being made up of with weight ratio 1:2:1 carboxymethyl cellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose.
In described step (3), the glue that glue spraying uses also includes 1 part of antioxidant and ultraviolet (UV) resistant agent 1 part；Described antioxidant
The mixture being made up of with weight ratio 1:1.5 antioxidant 1010 and irgasfos 168；Described ultraviolet (UV) resistant agent is by 4-benzoyl
The mixture that epoxide-2,2,6,6-tetramethyl piperidines and Octabenzone form with weight ratio 1:2.2.
Embodiment 4
The present embodiment is with the difference of above-described embodiment 1:
In described step (3), the distance between gum exudation mouth and the described flexible LED lamp plate of glue spraying is 0.7mm, and glue spraying pressure is
0.15MPa, glue spraying speed is 18cm/s, and the thickness of glue spraying is 0.45mm.
In described step (3), the glue that glue spraying uses includes the raw material of following weight portion:
Epoxy resin 30 parts
30 parts of phenolic resin
Synthetic rubber 12 parts
Filler 12 parts
Fire retardant 4 parts
4 parts of firming agent
Curing accelerator 1.2 parts
Coupling agent 1.2 parts
Solvent 110 parts.
The mixture that described epoxy resin is halogen-free epoxy resin and fire-retarded epoxy resin forms with weight ratio 1:1；
Described halogen-free epoxy resin is with weight by bisphenol A type epoxy resin, bisphenol f type epoxy resin and bisphenol-A D-ring epoxy resins
Mixture than 3:1.8:1 composition；Described fire-retarded epoxy resin be phosphorus weight content 2% phosphorous epoxy resin.
Described phenolic resin by phenol type phenolic resin and bisphenol A-type phenolic resin with weight ratio 1:1.2 form mixed
Compound；The mixture that described synthetic rubber is made up of with weight ratio 1:2.2 butadiene-styrene rubber and nitrile rubber.
The mixing that described filler is made up of with weight ratio 1:1.1:2 magnesium hydroxide, titanium dioxide and nano-calcium carbonate
Thing；The mixture that described fire retardant is made up of with weight ratio 2.5:1 antimony oxide and aluminium hydroxide.
Described firming agent is with weight ratio 1:1.1 by vinyl triamine, diamino-cyclohexane and di-2-ethylhexylphosphine oxide hexamethylene alkanamine:
The mixture of 2.2 compositions；Described curing accelerator is by 2-ethyl imidazol(e), 2-ethyl-4-methylimidazole and 2-phenyl-4-methyl
The mixture that imidazoles forms with weight ratio 2.2:1.2:1.
Described coupling agent is by vinyltriacetoxy silane, vinyl three tert-butyl peroxide silane and vinyl three
The mixture that ('beta '-methoxy ethyoxyl) silane forms with weight ratio 2:1:3.5；Described solvent be by DMAC N,N' dimethyl acetamide,
The mixture that methyl ethyl ketone and ethylene glycol monomethyl ether form with weight ratio 1:1.1:3.5.
In described step (3), the glue that glue spraying uses also includes defoamer 1.2 parts and thickening agent 1.2 parts；Described defoamer
The mixture being made up of with weight ratio 5.5:3.5:1 NPE, sodium carboxymethyl cellulose and silicon dioxide；Institute
State thickening agent to be made up of with weight ratio 1:2.2:1.2 carboxymethyl cellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose
Mixture.
In described step (3), the glue that glue spraying uses also includes 1.2 parts of antioxidant and ultraviolet (UV) resistant agent 1.2 parts；Described anti-
The mixture that oxygen agent is made up of with weight ratio 1:1.8 antioxidant 1010 and irgasfos 168；Described ultraviolet (UV) resistant agent is by 4-benzene
The mixing that formyloxy-2,2,6,6-tetramethyl piperidines and Octabenzone form with weight ratio 1:2.4
Thing.
Embodiment 5
The present embodiment is with the difference of above-described embodiment 1:
In described step (3), the distance between gum exudation mouth and the described flexible LED lamp plate of glue spraying is 0.8mm, and glue spraying pressure is
0.16MPa, glue spraying speed is 20cm/s, and the thickness of glue spraying is 0.5mm.
In described step (3), the glue that glue spraying uses includes the raw material of following weight portion:
Epoxy resin 35 parts
35 parts of phenolic resin
Synthetic rubber 15 parts
Filler 15 parts
Fire retardant 5 parts
5 parts of firming agent
Curing accelerator 1.5 parts
Coupling agent 1.5 parts
Solvent 120 parts.
The mixture that described epoxy resin is halogen-free epoxy resin and fire-retarded epoxy resin forms with weight ratio 1:2；
Described halogen-free epoxy resin is with weight by bisphenol A type epoxy resin, bisphenol f type epoxy resin and bisphenol-A D-ring epoxy resins
Mixture than 4:2.2:1 composition；Described fire-retarded epoxy resin be phosphorus weight content 3% phosphorous epoxy resin.
Described phenolic resin by phenol type phenolic resin and bisphenol A-type phenolic resin with weight ratio 1:1.5 form mixed
Compound；The mixture that described synthetic rubber is made up of with weight ratio 1:2.4 butadiene-styrene rubber and nitrile rubber.
Described filler by magnesium hydroxide, titanium dioxide and nano-calcium carbonate with weight ratio 1:1.2:2.2 form mixed
Compound；The mixture that described fire retardant is made up of with weight ratio 3:1 antimony oxide and aluminium hydroxide.
Described firming agent is with weight ratio 1:1.2 by vinyl triamine, diamino-cyclohexane and di-2-ethylhexylphosphine oxide hexamethylene alkanamine:
The mixture of 2.5 compositions；Described curing accelerator is by 2-ethyl imidazol(e), 2-ethyl-4-methylimidazole and 2-phenyl-4-methyl
The mixture that imidazoles forms with weight ratio 2.5:1.5:1.
Described coupling agent is by vinyltriacetoxy silane, vinyl three tert-butyl peroxide silane and vinyl three
The mixture that ('beta '-methoxy ethyoxyl) silane forms with weight ratio 2.2:1:4；Described solvent be by DMAC N,N' dimethyl acetamide,
The mixture that methyl ethyl ketone and ethylene glycol monomethyl ether form with weight ratio 1:1.2:4.
In described step (3), the glue that glue spraying uses also includes defoamer 1.5 parts and thickening agent 1.5 parts；Described defoamer
The mixture being made up of with weight ratio 6:4:1 NPE, sodium carboxymethyl cellulose and silicon dioxide；Described increasing
Thick dose by carboxymethyl cellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose with weight ratio 1:2.5:1.5 form mixed
Compound.
In described step (3), the glue that glue spraying uses also includes 1.5 parts of antioxidant and ultraviolet (UV) resistant agent 1.5 parts；Described anti-
The mixture that oxygen agent is made up of with weight ratio 1:2 antioxidant 1010 and irgasfos 168；Described ultraviolet (UV) resistant agent is by 4-benzene first
The mixing that acyloxy-2,2,6,6-tetramethyl piperidines and Octabenzone form with weight ratio 1:2.6
Thing.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can realize with alternate manner,
Without departing from obvious replacement any on the premise of present inventive concept all within protection scope of the present invention.
Claims (10)
1. the production technology of a flexible LED lamp bar, it is characterised in that: comprise the steps:
(1) imposite paster: polylith flexible PCB is carried out respectively paster process, obtains polylith flexible LED lamp plate；
(2) imposite welding: the head and the tail of polylith flexible LED lamp plate are welded successively, obtains flexible LED lamp plate imposite；
(3) imposite glue spraying: the flexible LED lamp plate after welding is carried out glue spraying process；
(4) imposite cutting: the flexible LED lamp plate imposite after glue spraying is cut into a plurality of flexible LED lamp bar.
The production technology of a kind of flexible LED lamp bar the most according to claim 1, it is characterised in that: in described step (3), spray
Distance between gum exudation mouth and the described flexible LED lamp plate of glue is 0.4-0.8mm, and glue spraying pressure is 0.12-0.16MPa, glue spraying speed
Degree is 10-20cm/s, and the thickness of glue spraying is 0.3-0.5mm.
The production technology of a kind of flexible LED lamp bar the most according to claim 1, it is characterised in that: in described step (3), spray
The glue that glue uses includes the raw material of following weight portion:
Epoxy resin 15-35 part
Phenolic resin 15-35 part
Synthetic rubber 5-15 part
Filler 5-15 part
Fire retardant 1-5 part
Firming agent 1-5 part
Curing accelerator 0.5-1.5 part
Coupling agent 0.5-1.5 part
Solvent 80-120 part.
The production technology of a kind of flexible LED lamp bar the most according to claim 3, it is characterised in that: described epoxy resin is nothing
At least one in halogen epoxy resin, high-fire resistance epoxy resin and fire-retarded epoxy resin；Described halogen-free epoxy resin
It is with weight ratio 2-4:1.4-2.2:1 group by bisphenol A type epoxy resin, bisphenol f type epoxy resin and bisphenol-A D-ring epoxy resins
The mixture become；Described fire-retarded epoxy resin is the phosphorus weight content phosphorous epoxy resin at 1%-3%.
The production technology of a kind of flexible LED lamp bar the most according to claim 3, it is characterised in that: described phenolic resin be by
The mixture that phenol type phenolic resin and bisphenol A-type phenolic resin form with weight ratio 1:0.5-1.5；Described synthetic rubber be by
The mixture that butadiene-styrene rubber and nitrile rubber form with weight ratio 1:1.6-2.4.
The production technology of a kind of flexible LED lamp bar the most according to claim 3, it is characterised in that: described filler is by hydrogen
The mixture that magnesium oxide, titanium dioxide and nano-calcium carbonate form with weight ratio 1:0.8-1.2:1.4-2.2；Described fire retardant is
The mixture being made up of with weight ratio 1-3:1 antimony oxide and aluminium hydroxide.
The production technology of a kind of flexible LED lamp bar the most according to claim 3, it is characterised in that: described firming agent is by second
The mixture that thiazolinyl triamine, diamino-cyclohexane and di-2-ethylhexylphosphine oxide hexamethylene alkanamine form with weight ratio 1:0.8-1.2:1.5-2.5；
Described curing accelerator is with weight ratio 1.5-by 2-ethyl imidazol(e), 2-ethyl-4-methylimidazole and 2-phenyl-4-methylimidazole
2.5:0.5-1.5:1 the mixture of composition.
The production technology of a kind of flexible LED lamp bar the most according to claim 3, it is characterised in that: described coupling agent is by second
Thiazolinyl triacetoxysilane, vinyl three tert-butyl peroxide silane and vinyl three ('beta '-methoxy ethyoxyl) silane are with weight
Measure the mixture than 1.4-2.2:1:2-4 composition；Described solvent is by DMAC N,N' dimethyl acetamide, methyl ethyl ketone and ethylene glycol
The mixture that methyl ether forms with weight ratio 1:0.8-1.2:2-4.
The production technology of a kind of flexible LED lamp bar the most according to claim 3, it is characterised in that: in described step (3), spray
The glue that glue uses also includes defoamer 0.5-1.5 part and thickening agent 0.5-1.5 part；Described defoamer is by polyoxyethylene nonyl phenyl second
The mixture that alkene ether, sodium carboxymethyl cellulose and silicon dioxide form with weight ratio 4-6:2-4:1；Described thickening agent is by carboxylic first
The mixture that base cellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose form with weight ratio 1:1.5-2.5:0.5-1.5.
The production technology of a kind of flexible LED lamp bar the most according to claim 3, it is characterised in that: in described step (3), spray
The glue that glue uses also includes antioxidant 0.5-1.5 part and ultraviolet (UV) resistant agent 0.5-1.5 part；Described antioxidant is by antioxidant
1010 and the mixture that forms with weight ratio 1:1-2 of irgasfos 168；Described ultraviolet (UV) resistant agent is by 4-benzoyloxy-2,2,
The mixture that 6,6-tetramethyl piperidines and Octabenzone form with weight ratio 1:1.8-2.6.
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| CN106833404A (en) * | 2016-12-28 | 2017-06-13 | 广东三泰迈高光电科技有限公司 | A kind of LED light bar gum and LED light bar gum coating technique |
| CN112954899A (en) * | 2021-01-29 | 2021-06-11 | 新余市木林森线路板有限公司 | LED flexible lamp strip circuit board and preparation method thereof |
| CN113334453A (en) * | 2021-06-16 | 2021-09-03 | 深圳市佑明光电有限公司 | Automatic production line and process for LED diffuse reflection TV backlight lamp bar |
| CN114087547A (en) * | 2021-11-24 | 2022-02-25 | 盐城东山精密制造有限公司 | Process for realizing high-efficiency wide angle of lamp bead |
| CN114941812A (en) * | 2022-05-30 | 2022-08-26 | 佛山市锐安特光电科技有限公司 | Light bar glue spraying method, glue spraying light bar production method and glue spraying light bar |
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| CN113334453B (en) * | 2021-06-16 | 2023-01-03 | 深圳市佑明光电有限公司 | Automatic production line and process for LED diffuse reflection TV backlight lamp bar |
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|---|---|
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