CN109608641A - Fluorine-containing trapezoidal organic siliconresin for LED packaging plastic - Google Patents
Fluorine-containing trapezoidal organic siliconresin for LED packaging plastic Download PDFInfo
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- CN109608641A CN109608641A CN201811413884.8A CN201811413884A CN109608641A CN 109608641 A CN109608641 A CN 109608641A CN 201811413884 A CN201811413884 A CN 201811413884A CN 109608641 A CN109608641 A CN 109608641A
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- fluorine
- packaging plastic
- organic siliconresin
- led packaging
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 29
- 229920003023 plastic Polymers 0.000 title claims abstract description 21
- 239000004033 plastic Substances 0.000 title claims abstract description 21
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 20
- 239000011737 fluorine Substances 0.000 title claims abstract description 19
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 17
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- -1 methyl triethoxy, vinyl Chemical group 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000000725 trifluoropropyl group Chemical group [H]C([H])(*)C([H])([H])C(F)(F)F 0.000 claims description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 229910020487 SiO3/2 Inorganic materials 0.000 abstract 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 48
- 239000000243 solution Substances 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 239000003795 chemical substances by application Substances 0.000 description 12
- 238000003756 stirring Methods 0.000 description 11
- 239000000741 silica gel Substances 0.000 description 9
- 229910002027 silica gel Inorganic materials 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000007832 Na2SO4 Substances 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 235000019441 ethanol Nutrition 0.000 description 8
- 229910052938 sodium sulfate Inorganic materials 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000012797 qualification Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000003292 glue Substances 0.000 description 6
- 238000005987 sulfurization reaction Methods 0.000 description 5
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 4
- 238000007098 aminolysis reaction Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000002390 rotary evaporation Methods 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
- 229960002668 sodium chloride Drugs 0.000 description 4
- 235000002639 sodium chloride Nutrition 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 150000002221 fluorine Chemical class 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- COQQVPBGUONWDF-UHFFFAOYSA-N trifluoro(octyl)silane Chemical compound CCCCCCCC[Si](F)(F)F COQQVPBGUONWDF-UHFFFAOYSA-N 0.000 description 2
- YFVKHKCZBSGZPE-UHFFFAOYSA-N 1-(1,3-benzodioxol-5-yl)-2-(propylamino)propan-1-one Chemical compound CCCNC(C)C(=O)C1=CC=C2OCOC2=C1 YFVKHKCZBSGZPE-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 1
- JLGNHOJUQFHYEZ-UHFFFAOYSA-N trimethoxy(3,3,3-trifluoropropyl)silane Chemical compound CO[Si](OC)(OC)CCC(F)(F)F JLGNHOJUQFHYEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/24—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen halogen-containing groups
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Wrappers (AREA)
- Packages (AREA)
Abstract
The invention belongs to packaging plastic technical fields, are related to a kind of fluorine-containing trapezoidal organic siliconresin for LED packaging plastic, and general structure is (R1SiO3/2)m1(R2SiO3/2)m2(R3SiO3/2)m3, wherein m1、m2Value is 3~10, m3Value is 7~100, R3For organic fluoride-containing group.Fluorine-containing trapezoidal organic siliconresin of the invention be used for LED packaging plastic after, make the performance of packaging plastic weatherability, stain resistant and in terms of be obviously improved.
Description
Technical field
The present invention relates to packaging plastic technical field, in particular to a kind of fluorine-containing trapezoidal organosilicon tree for LED packaging plastic
Rouge.
Background technique
Since silicone rubber compound can be formed with excellent performance such as weatherability, heat resistance and certain optical transparence,
Therefore every field is had been widely used for.Due to surfaces of tacky, when silicone rubber compound is used as electrical, electronic component protection
When coating, surface can be led to the problem of and glue dust deposit；Further, since the silicon oxygen bond of organosilicon causes intermolecular interaction non-
Often faint, not fine and close after silica gel vulcanization, moisture and oxygen in air are very easy to penetrate, and eventually lead to silicon rubber and are applying
When LED packaging plastic, sulfuration resistant poor performance.
The knot of organic silicon packaging glue is improved according to the method for known to previous patent, there are some manufacturers to take organic inorganic hybridization
Structure, to promote the barrier property to moisture and oxygen；Ye You manufacturer takes adds one layer of fine and close primary coat before LED packaging silicon rubber
Method attempts to solve the problems, such as silica gel moisture-inhibiting oxygen flow, to improve the sulfuration resistant performance of LED after encapsulation.But it is difficult whole mention
Height is used for the comprehensive performance of LED packaging plastic.
Summary of the invention
The main purpose of the present invention is to provide a kind of fluorine-containing trapezoidal organic siliconresins for LED packaging plastic, use this
Fluorine-containing trapezoidal organic siliconresin can make the overall target of LED packaging plastic have very big promotion.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of fluorine-containing trapezoidal organosilicon for LED packaging plastic
Resin, skeleton symbol are as follows
Wherein m1、m2Value is 3~10, m3Value is 7~100, R3For organic fluoride-containing group.
Specifically, R3It is ten trifluoro octyl of trichlorine, trifluoro propyl trimethoxy, 4- methyl-(perfluor base ethyl) propyl
One of trimethoxy.
Specifically, R1And R2It is taken respectively from methyl triethoxy, vinyl triethoxyl, ethyl triethoxy, allyl base
One of trimethoxy.
Further, the R1Or R2Containing unsaturated double-bond.
By adopting the above technical scheme, the beneficial effect of technical solution of the present invention is:
After fluorine-containing trapezoidal organic siliconresin of the invention is used for LED packaging plastic, makes the performance of packaging plastic in weatherability, resistance to is stained with
Dirty and sulfuration resistant etc. is obviously improved.
Specific embodiment
Invention is further described in detail combined with specific embodiments below.
Embodiment 1:
0.15 gram of pre- aminolysis agent p-phenylenediamine and 25 milliliters of etoh solvent are added in the there-necked flask of nitrogen protection, slowly drip
4.6 grams of 1.2 grams of methylate triethoxysilane, 0.4 gram of vinyltriethoxysilane and ten trifluoro octyl silane of trichlorine and 30
The toluene solution of milliliter, temperature maintain between -10 to 0 degree, stir 30 minutes, then 1.8 grams of water and 10 milliliters of second are slowly added dropwise
Alcohol mixed liquor stirs 1 hour after being added dropwise, and filtering, filtrate rotary evaporation removes ethyl alcohol, remaining toluene solution Na2SO4
Dry, supernatant liquor is condensed with the drop concentrated hydrochloric acid of 0.2 gram of closure agent MM and 2, with the sodium chloride of saturation after stirring 24 hours at room temperature
Aqueous solution washes neutrality, then uses anhydrous Na2SO4 is dried to obtain colorless and transparent toluene solution, removes toluene and is dried in vacuo, obtains
To fluorine-containing 4.3 grams of trapezoidal organic siliconresin, for use.
By product according to commercially available low refraction (refractive index 1.41, such as DOW CORNING 6336) silica gel A B agent mix after 5% weight hundred
Divide ratio, is added to wherein, after mixing, glue dispensing and packaging is on 2835 model brackets；80 degree 1 hour, 150 degree 2 hours toast
Solidification waits test performance.
Embodiment 2:
0.15 gram of pre- aminolysis agent p-phenylenediamine and 25 milliliters of etoh solvent are added in the there-necked flask of nitrogen protection, slowly drip
Add 4.32 grams of 1.5 grams of ethyl triethoxysilane, 0.4 gram of vinyltriethoxysilane and trifluoro propyl trimethoxy silane and
30 milliliters of toluene solution, temperature maintain between -10 to 0 degree, stir 30 minutes, then 1.2 grams of water and 10 milliliters are slowly added dropwise
Alcohol mixeding liquid stirs 1 hour after being added dropwise, filtering, and filtrate rotary evaporation removes ethyl alcohol, and remaining toluene solution is used
Na2SO4Dry, supernatant liquor is condensed with the drop concentrated hydrochloric acid of 0.15 gram of closure agent MM and 2, with saturation after stirring 24 hours at room temperature
Sodium-chloride water solution washes neutrality, then uses anhydrous Na2SO4It is dried to obtain colorless and transparent toluene solution, simultaneously vacuum is dry for removal toluene
It is dry, 3.9 grams of fluorine-containing trapezoidal organic siliconresin is obtained, for use.
By product according to commercially available low refraction (refractive index 1.41, such as DOW CORNING 6336) silica gel A B agent mix after 5% weight hundred
Divide ratio, is added to wherein, after mixing, glue dispensing and packaging is on 2835 model brackets；80 degree 1 hour, 150 degree 2 hours toast
Solidification waits test performance.
Embodiment 3:
0.15 gram of pre- aminolysis agent p-phenylenediamine and 25 milliliters of etoh solvent are added in the there-necked flask of nitrogen protection, slowly drip
1.2 grams of methylate triethoxysilane, 0.9 gram of 4- methyl of allyl base trimethoxy silane-(perfluor base ethyl) propyl three
The toluene solution that 5.7 grams and 30 milliliters of methoxy silane, temperature maintain between -10 to 0 degree, stir 30 minutes, then slowly drop
Add 1.6 grams of water and 10 milliliters of alcohol mixeding liquids, stirred 1 hour after being added dropwise, filtered, filtrate rotary evaporation removes ethyl alcohol, remains
Remaining toluene solution Na2SO4Dry, supernatant liquor is condensed with the drop concentrated hydrochloric acid of 0.3 gram of closure agent MM and 4, and it is small to stir 24 at room temperature
The sodium-chloride water solution of Shi Houyong saturation washes neutrality, then uses anhydrous Na2SO4It is dried to obtain colorless and transparent toluene solution, is removed
Toluene is simultaneously dried in vacuo, and obtains 4.7 grams of fluorine-containing trapezoidal organic siliconresin, for use.
By product according to commercially available low refraction (refractive index 1.41, such as DOW CORNING 6336) silica gel A B agent mix after 5% weight hundred
Divide ratio, is added to wherein, after mixing, glue dispensing and packaging is on 2835 model brackets；80 degree 1 hour, 150 degree 2 hours toast
Solidification waits test performance.
Embodiment 4:
0.15 gram of pre- aminolysis agent p-phenylenediamine and 25 milliliters of etoh solvent are added in the there-necked flask of nitrogen protection, slowly drip
4.6 grams of 1.2 grams of methylate triethoxysilane, 0.4 gram of vinyltriethoxysilane and ten trifluoro octyl silane of trichlorine and 30
The toluene solution of milliliter, temperature maintain between -10 to 0 degree, stir 3 minutes, then 1.8 grams of water and 10 milliliters of ethyl alcohol are slowly added dropwise
Mixed liquor stirs 1 hour after being added dropwise, and filtering, filtrate rotary evaporation removes ethyl alcohol, remaining toluene solution Na2SO4It is dry
Dry, supernatant liquor is condensed with the drop concentrated hydrochloric acid of 0.2 gram of closure agent MM and 2, with the sodium chloride water of saturation after stirring 24 hours at room temperature
Solution washes neutrality, then uses anhydrous Na2SO4It is dried to obtain colorless and transparent toluene solution, remove toluene and is dried in vacuo, is obtained
4.1 grams of fluorine-containing trapezoidal organic siliconresin, for use.
By product according to commercially available low refraction (refractive index 1.41, such as DOW CORNING 6336) silica gel A B agent mix after 10% weight
Percentage is measured, is added to wherein, after mixing, glue dispensing and packaging is on 2835 model brackets；80 degree 1 hour, 150 degree 2 hours
Baking-curing waits test performance.
Reference examples 1: the 2835LED bracket for the low refraction silica gel packaging that commercially available refractive index is 1.41.
Reference examples 2:2835 sky bracket.
After enumerating LED encapsulation, every test performance of silica gel is protected, each tests 25 brackets, and test method is as follows:
1. resistance to soldering heat: 80 degree pre-process 24 hours, 260 degree 10 seconds cross furnace 3 times, it is each mistake furnace after check resin situation and
It lights, is considered as qualification within decaying 10%.
2. moisture and hot ageing: 80 degree pre-process 24 hours, temperature -10~65 degree, 0~90%RH of humidity circulation 10 times, totally 240
Hour, it checks and lights situation, be considered as qualification within decaying 10%.
3. high temperature storage: 80 degree pre-process 24 hours, 100 degree 1000 hours, performance is lighted in test, is decayed and is regarded within 10%
For qualification.
4. high temperature and humidity stores: 80 degree pre-process 24 hours, and 85 degree, 85%RH 1000 hours, are checked and light performance, decline
It is considered as qualification within subtracting 10%.
5. surface stain resistant situation: it is outdoor, 1000 hours, range estimation.
6. sulfuration resistant performance: in 100 milliliters of closed reagent bottles, the 1 gram of sulphur powder that tiles and bracket/packaged bracket while putting
Enter wherein, 85 degree are toasted 8 hours, and it is qualified that brightness decay is just calculated less than 30%.
Table 1:
It is excellent: to indicate that 25 test brackets are all qualified；It is good: to indicate 20~22 bracket qualifications；It is bad: expression 15~
20 bracket qualifications；Disappointing: expression 15 with lower bracket qualification.
As shown in Table 1, fluorine-containing trapezoidal organic siliconresin of the invention is for making the performance of packaging plastic exist after LED packaging plastic
Weatherability, stain resistant and sulfuration resistant etc. are obviously improved.
This fluorine-containing trapezoidal organic siliconresin can make LED packaging plastic have preferable moisture-inhibiting oxygen permeability, institute on curing at elevated temperature
It is got a promotion with weatherability, part fluorine atom moves to Silica Surface during silica gel solidifies, and further decreases Silica Surface
Can, so that it keeps cleaning time significantly to extend.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (4)
1. a kind of fluorine-containing trapezoidal organic siliconresin for LED packaging plastic, it is characterised in that: its skeleton symbol is as follows
Wherein m1、m2Value is 3~10, m3Value is 7~100, R3For organic fluoride-containing group.
2. the fluorine-containing trapezoidal organic siliconresin according to claim 1 for LED packaging plastic, it is characterised in that: R3It is trichlorine
One of ten trifluoro octyls, trifluoro propyl trimethoxy, 4- methyl-(perfluor base ethyl) propyl trimethoxy.
3. the fluorine-containing trapezoidal organic siliconresin according to claim 1 for LED packaging plastic, it is characterised in that: R1And R2Point
It is not derived from one of methyl triethoxy, vinyl triethoxyl, ethyl triethoxy, allyl base trimethoxy.
4. the fluorine-containing trapezoidal organic siliconresin according to claim 3 for LED packaging plastic, it is characterised in that: the R1Or
R2Containing unsaturated double-bond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413884.8A CN109608641A (en) | 2018-11-26 | 2018-11-26 | Fluorine-containing trapezoidal organic siliconresin for LED packaging plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413884.8A CN109608641A (en) | 2018-11-26 | 2018-11-26 | Fluorine-containing trapezoidal organic siliconresin for LED packaging plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109608641A true CN109608641A (en) | 2019-04-12 |
Family
ID=66003878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811413884.8A Pending CN109608641A (en) | 2018-11-26 | 2018-11-26 | Fluorine-containing trapezoidal organic siliconresin for LED packaging plastic |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04350802A (en) * | 1991-05-29 | 1992-12-04 | Sumitomo Electric Ind Ltd | plastic optical fiber |
| CN1105678A (en) * | 1994-01-21 | 1995-07-26 | 中国科学院化学研究所 | Trapezoidal polysiloxane capable of displaying non-linear optical effect and liquid crystal property and functional film |
| CN1105677A (en) * | 1994-01-21 | 1995-07-26 | 中国科学院化学研究所 | High-regularity ladder polyhydric sesquisiloxane and its copolymer and preparing method thereof |
| CN1796441A (en) * | 2004-12-30 | 2006-07-05 | 中国科学院化学研究所 | Trapezoidal organic poly sesquisiloxane and preparation method |
| CN101965387A (en) * | 2008-02-19 | 2011-02-02 | 琳得科株式会社 | Adhesive mainly composed of polyorganosiloxane compound |
| CN104045831A (en) * | 2013-03-14 | 2014-09-17 | 中国科学院化学研究所 | Siloxane bridged ladderlike polysiloxane and preparation method thereof |
| CN105418928A (en) * | 2015-12-29 | 2016-03-23 | 广东恒大新材料科技有限公司 | Trifluoropropyl-group-modification methyl phenyl vinyl silicon resin and LED packaging adhesive |
| CN106795288A (en) * | 2014-10-03 | 2017-05-31 | 住友化学株式会社 | Silicone resin, UV LED Encapulant compositions, solidfied material and UV LED encapsulants |
-
2018
- 2018-11-26 CN CN201811413884.8A patent/CN109608641A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04350802A (en) * | 1991-05-29 | 1992-12-04 | Sumitomo Electric Ind Ltd | plastic optical fiber |
| CN1105678A (en) * | 1994-01-21 | 1995-07-26 | 中国科学院化学研究所 | Trapezoidal polysiloxane capable of displaying non-linear optical effect and liquid crystal property and functional film |
| CN1105677A (en) * | 1994-01-21 | 1995-07-26 | 中国科学院化学研究所 | High-regularity ladder polyhydric sesquisiloxane and its copolymer and preparing method thereof |
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