CN102757692B - Thermosetting system white ink composition of LED flexible strip plate - Google Patents
Thermosetting system white ink composition of LED flexible strip plate Download PDFInfo
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- CN102757692B CN102757692B CN201110165855.6A CN201110165855A CN102757692B CN 102757692 B CN102757692 B CN 102757692B CN 201110165855 A CN201110165855 A CN 201110165855A CN 102757692 B CN102757692 B CN 102757692B
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Abstract
The invention relates to the technical field of LED strip plate printing on a flexible circuit board, and discloses a thermosetting system white ink composition of an LED flexible strip plate. The thermosetting system white ink composition is mainly prepared by the components as follows: thermosetting resin, curing agent and cross-linking agent, inorganic filler and coloring material, white pigment, solvent and auxiliaries, wherein the weight ratio of the thermosetting resin to the curing agent and cross-linking agent to the inorganic filler and coloring material to the white pigment to the white pigment to the solvent to the auxiliaries is (20 to 50):(3 to 25):(0 to 20):(25 to 50):(0 to 20):(0.01 to 10). The invention aims to provide the thermosetting white ink composition which has the advantages of relatively high flexibility, soldering resistance and capability of being prevented from yellowing.
Description
Technical field
The present invention relates to the technical field that in flexible circuit board, LED lamp batten is printed, relate in particular to the soft lamp batten of a kind of thermosetting system LED white ink composition.
Background technology
Along with energy-saving and cost-reducing implementation, the application of LED illumination market is more and more extensive, and LED lamp batten is that a kind of flexible circuit board by deflection forms, surface-coated adularescent welding resistance ink.This white ink one is LED light fully can be reflected, and does not affect light color; The 2nd, make the apparent cleaning of lamp bar.
Produce at present the technology of this white welding resistance ink, substantially be all that welding resistance ink basis from hardboard before develops, therefore its matrix resin composition is modified epoxy resin system, so just there are two major defects, first, more crisp after ink solidification, pliability is poor, easily embrittlement after destroying or force to yield; The second, ink, crossing Reflow Soldering 220-265 DEG C, 3-5 minute time, because epoxy resin is more, causes ink xanthochromia under high temperature.
Summary of the invention
The object of this invention is to provide a kind of flexibility better, welding resistance and the thermofixation white ink composition of xanthochromia not.
To achieve these goals, the technical solution used in the present invention is,
A kind of thermofixation white ink composition, is mainly made up of following composition: thermosetting resin, solidifying agent and linking agent, mineral filler and colorant, white pigment, solvent, auxiliary agent;
Described thermosetting resin, solidifying agent and linking agent, mineral filler and colorant, white pigment, solvent, auxiliary agent is 20-50: 3-25: 0-20: 25-50: 0-20: 0.01-10 by weight.
Optionally, described thermosetting resin is mainly the one in acrylic resin, Synolac, vibrin, silicone resin, epoxy resin.
Optionally, described acrylic resin is mainly thermosetting acrylate resin; Described Synolac is mainly the short-oil alkyd of non-dryness; Described vibrin is mainly one or both the vibrin containing in hydroxyl or carboxyl functional group; Described silicone resin is mainly to contain the silicone resin containing crosslinking reaction group such as hydroxyl, epoxy group(ing); Described epoxy resin is mainly one or more in dihydroxyphenyl propane, Bisphenol F, novolac epoxy.
Optionally, described solidifying agent and linking agent be mainly contain with described thermosetting resin in the resin that curing reaction can occur of hydroxyl, epoxy group(ing), carboxyl, cyanic acid base, urethano etc.
Optionally, described resin is mainly one or more in epoxy resin, resol, aminoresin, urethane resin.
Optionally, described mineral filler and colorant are mainly one or more in kaolin, wilkinite, silica powder, talcum powder, mica powder, blue dyes, orchil, purple dye, green colouring material.
Optionally, described white pigment is mainly one or more in barium sulfate, titanium dioxide.
Optionally, described solvent is mainly one or more in acetone, butanone, pimelinketone, isophorone, toluene, dimethylbenzene, ethyl acetate, butylacetate, methyl alcohol, Virahol, propyl carbinol, isopropylcarbinol, two propyl alcohol ketone, ethylene glycol ethyl ether, butyl glycol ether, propandiol butyl ether, 1-Methoxy-2-propyl acetate, dibasic ester.
Optionally, described auxiliary agent is mainly one or more in flow agent, defoamer, dispersion agent, wetting agent, catalyzer, softening agent, anti-settling agent, antioxidant, white dyes, adhesive agent, ultraviolet absorbers.
Therefore, compared with prior art, apply technical scheme of the present invention, there is following beneficial effect:
The invention has the beneficial effects as follows for LED lamp batten making technology demand, be applied in for solving hardboard welding resistance ink the defect that flex circuit application is applied, design taking a kind of flexibility contain preferably crosslinkable, can reactive functionality thermosetting resin as bulk resin, in conjunction with appropriate solidifying agent and linking agent, can there is chemical reaction formation (partly) interpenetrating net polymer in above two individual system under hot effect.Need other auxiliary agent, filler, pigment, solvent etc. in conjunction with this ink, obtain deflection performance good, the soft lamp batten of the thermosetting system LED white ink composition of welding resistance and not xanthochromia.
Embodiment
To describe the present invention in detail by specific embodiment below, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment 1:
First take by mass percentage following material:
1. thermosetting resin: acrylic resin 40
Special Resin (referring to the wherein a kind of of modified epoxy, acrylic resin modified, modified polyester resin)
5
2. solidifying agent and linking agent: aminoresin 5
3. mineral filler and colorant: talcum powder 5
4. white pigment: titanium dioxide 38
5. solvent: PMA 7
6. auxiliary agent: flow agent, defoamer, dispersion agent, softening agent, adhesive agent, antioxidant, catalyzer 3
By 40 parts of acrylic resins, 5 parts of epoxy resin, with after 7 parts of solvent; 5 parts of aminoresin, 5 parts of talcum powder, 38 parts of titanium dioxides, 1 part of dispersion agent, 0.5 part of flow agent, 0.5 part of defoamer, 0.2 part of softening agent, 0.2 part of adhesive agent, 0.1 part of antioxidant, 0.5 part of catalyzer are successively put into mixture, in high speed dispersor, mix, grind the following strainer filtration of 10 μ m through three-roller or sand mill, obtain the soft lamp batten of thermosetting system LED white ink composition.
Embodiment 2:
1. thermosetting resin: Synolac 35 epoxy resin 8
2. solidifying agent and linking agent: aminoresin 6
3. mineral filler and colorant: talcum powder 5
4. white pigment: titanium dioxide 38
5. solvent: isophorone 7
6. auxiliary agent: flow agent, defoamer, dispersion agent, softening agent, adhesive agent, antioxidant, catalyzer 3
By 40 parts of Synolac, 8 parts of epoxy resin, with after 7 parts of solvent; 6 parts of aminoresin, 5 parts of talcum powder, 38 parts of titanium dioxides, 1 part of dispersion agent, 0.5 part of flow agent, 0.5 part of defoamer, 0.2 part of softening agent, 0.2 part of adhesive agent, 0.1 part of antioxidant, 0.5 part of catalyzer are successively put into mixture, in high speed dispersor, mix, grind the following strainer filtration of 10um through three-roller or sand mill, obtain the soft lamp batten of thermosetting system LED white ink composition.
Embodiment 3:
1. thermosetting resin: alkyd resin 42
2. solidifying agent and linking agent: aminoresin 5.5
3. mineral filler and colorant: talcum powder 3
4. white pigment: titanium dioxide 40
5. solvent: isophorone 6.5
6. auxiliary agent: flow agent, defoamer, dispersion agent, softening agent, adhesive agent, antioxidant, catalyzer 3
By 42 parts of vibrin, with after 6.5 parts of solvent; 5.5 parts of aminoresin, 3 parts of talcum powder, 40 parts of titanium dioxides, 1 part of dispersion agent, 0.5 part of flow agent, 0.5 part of defoamer, 0.2 part of softening agent, 0.2 part of adhesive agent, 0.1 part of antioxidant, 0.5 part of catalyzer are successively put into mixture, in high speed dispersor, mix, grind the following strainer filtration of 10um through three-roller or sand mill, obtain the soft lamp batten of thermosetting system LED white ink composition.
Embodiment 4:
1. thermosetting resin: vibrin 30
Acrylic resin 10
2. solidifying agent and linking agent: aminoresin 6
3. mineral filler and colorant: talcum powder 5
4. white pigment: titanium dioxide 38
5. solvent: PMA 7
6. auxiliary agent: flow agent, defoamer, dispersion agent, softening agent, adhesive agent, antioxidant, catalyzer 3
By 30 parts of vibrin, 10 parts of acrylic resins, with after 7 parts of solvent; 6 parts of aminoresin, 5 parts of talcum powder, 38 parts of titanium dioxides, 1 part of dispersion agent, 0.5 part of flow agent, 0.5 part of defoamer, 0.2 part of softening agent, 0.2 part of adhesive agent, 0.1 part of antioxidant, 0.5 part of catalyzer are successively put into mixture, in high speed dispersor, mix, grind the following strainer filtration of 10um through three-roller or sand mill, obtain the soft lamp batten of thermosetting system LED white ink composition.
Embodiment 5:
1. thermosetting resin: vibrin 30
Epoxy resin 10
2. solidifying agent and linking agent: aminoresin 5
Urethane resin 3
3. mineral filler and colorant: talcum powder 5
4. white pigment: titanium dioxide 38
5. solvent: PMA 7
6. auxiliary agent: flow agent, defoamer, dispersion agent, softening agent, adhesive agent, antioxidant, catalyzer 3
By 30 parts of vibrin, 10 parts of epoxy resin, with after 7 parts of solvent; 5 parts of aminoresin, 3 parts of urethane resins, 5 parts of talcum powder, 38 parts of titanium dioxides, 1 part of dispersion agent, 0.5 part of flow agent, 0.5 part of defoamer, 0.2 part of softening agent, 0.2 part of adhesive agent, 0.1 part of antioxidant, 0.5 part of catalyzer are successively put into mixture, in high speed dispersor, mix, grind the following strainer filtration of 10um through three-roller or sand mill, obtain the soft lamp batten of thermosetting system LED white ink composition.
Therefore, in the present invention thermosetting resin be mainly a kind of in acrylic resin, Synolac, vibrin, silicone resin, epoxy resin or and several; Acrylic resin is mainly thermosetting acrylate resin; Synolac is mainly the short-oil alkyd of non-dryness; Vibrin is mainly one or both the vibrin containing in hydroxyl or carboxyl functional group; Silicone resin is mainly to contain the silicone resin containing crosslinking reaction group such as hydroxyl, epoxy group(ing); Epoxy resin is mainly one or more in dihydroxyphenyl propane, Bisphenol F, novolac epoxy; Solidifying agent and linking agent be mainly contain with described thermosetting resin in the resin that curing reaction can occur of hydroxyl, epoxy group(ing), carboxyl, cyanic acid base, urethano etc.; Mineral filler and colorant are mainly one or more in kaolin, wilkinite, silica powder, talcum powder, mica powder, blue dyes, orchil, purple dye, green colouring material; White pigment is mainly one or more in barium sulfate, titanium dioxide; Solvent is mainly one or more in acetone, butanone, pimelinketone, isophorone, toluene, dimethylbenzene, ethyl acetate, butylacetate, methyl alcohol, Virahol, propyl carbinol, isopropylcarbinol, two propyl alcohol ketone, ethylene glycol ethyl ether, butyl glycol ether, propandiol butyl ether, 1-Methoxy-2-propyl acetate, dibasic ester; Auxiliary agent is mainly one or more in flow agent, defoamer, dispersion agent, wetting agent, catalyzer, softening agent, anti-settling agent, antioxidant, white dyes, adhesive agent, ultraviolet absorbers; The invention has the beneficial effects as follows for LED lamp batten making technology demand, be applied in for solving hardboard welding resistance ink the defect that flex circuit application is applied, design taking a kind of flexibility contain preferably crosslinkable, can reactive functionality thermosetting resin as bulk resin, in conjunction with appropriate solidifying agent or linking agent, can there is chemical reaction formation (partly) interpenetrating net polymer in above two individual system under hot effect.Need other auxiliary agent, filler, pigment, solvent etc. in conjunction with this ink, obtain deflection performance good, the soft lamp batten of the thermosetting system LED white ink composition of welding resistance and not xanthochromia.
The technical scheme above embodiment of the present invention being provided is described in detail, applied principle and the embodiment of specific case to the embodiment of the present invention herein and set forth, the explanation of above embodiment is only applicable to help to understand the principle of the embodiment of the present invention; , for one of ordinary skill in the art, according to the embodiment of the present invention, in embodiment and range of application, all will change, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (2)
1. a thermofixation white ink composition, is characterized in that, is made up of following component: thermosetting resin, solidifying agent, mineral filler, white pigment, solvent and auxiliary agent;
Wherein said thermosetting resin is vibrin, and described solidifying agent is aminoresin, and described mineral filler is talcum powder, and described white pigment is titanium dioxide, and described solvent is isophorone;
The ratio of weight and number of above-mentioned each component is:
2. a kind of thermofixation white ink composition according to claim 1, it is characterized in that, described auxiliary agent is one or more in flow agent, defoamer, dispersion agent, wetting agent, catalyzer, softening agent, anti-settling agent, antioxidant, white dyes, adhesive agent, ultraviolet absorbers.
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| CN201110165855.6A CN102757692B (en) | 2011-06-10 | 2011-06-10 | Thermosetting system white ink composition of LED flexible strip plate |
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| CN201110165855.6A CN102757692B (en) | 2011-06-10 | 2011-06-10 | Thermosetting system white ink composition of LED flexible strip plate |
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| CN102757692B true CN102757692B (en) | 2014-11-12 |
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| WO2022067690A1 (en) * | 2020-09-30 | 2022-04-07 | 深圳市艾比森光电股份有限公司 | Ink for led display screen and led display screen |
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| CN114163870B (en) * | 2021-12-29 | 2023-07-21 | 桂林智熠感光材料科技有限公司 | Light-shielding ink for LED (light-emitting diode) bracket and preparation method thereof |
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| CN1544550A (en) * | 2003-11-21 | 2004-11-10 | 大化集团有限责任公司 | Hot curing solder resistant printing-ink composition |
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| JPS6064667A (en) * | 1983-09-20 | 1985-04-13 | Dainippon Toryo Co Ltd | Finishing method of rust preventing film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1544550A (en) * | 2003-11-21 | 2004-11-10 | 大化集团有限责任公司 | Hot curing solder resistant printing-ink composition |
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