CN100569784C - The preparation method of halogenated alkyldiphenyl sulfonium hexafluoro phosphate and application - Google Patents
The preparation method of halogenated alkyldiphenyl sulfonium hexafluoro phosphate and application Download PDFInfo
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- CN100569784C CN100569784C CNB2005100718569A CN200510071856A CN100569784C CN 100569784 C CN100569784 C CN 100569784C CN B2005100718569 A CNB2005100718569 A CN B2005100718569A CN 200510071856 A CN200510071856 A CN 200510071856A CN 100569784 C CN100569784 C CN 100569784C
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- sulfonium hexafluorophosphate
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Abstract
The present invention relates to a kind of cation light initiator halogenated alkyldiphenyl sulfonium hexafluoro phosphate and its production and application.This compound odorlessness, the efficiency of initiation height is suitable as light trigger and is used for open loop of epoxy compound polymerization under the UV-irradiation.
Description
Invention field
The present invention relates to the preparation method and the application of halogenated alkyldiphenyl sulfonium hexafluoro phosphate.This compound is a kind of cation light initiator, is suitable as light trigger and is used for open loop of epoxy compound polymerization under the UV-irradiation.
Background of invention
The manufacture method and the application of this solution in the photo-cured coating prescription that the present invention relates to a class new compound and its manufacture method and contain its mixed light initiator solution.
Photocuring technology is a coating, printing ink, a kind of green technology in the fields such as tamanori, wherein acid cause the solidify material main body generally by the resin that contains alkyl epoxy and or polyvalent alcohol cyclic ethers class thinner and salt cation light initiator form, under enough ultraviolet energy effects, all solidify, with traditional solvent system ratio that contains, solvent-free discharging, the efficient height, energy-conservation etc. with conspicuous characteristics, compare with the radically curing system, volume change is little, strong adhesion on metal base has been applied in various fields: photopolymer plate, metal vessel coating, photoresist material especially can not be substituted aspect the 3D moulding.But the cation light initiator kind is few, and price generally is higher than radical photoinitiator, has limited the development of this class coating to a certain extent.Exploitation excellent performance, low-cost cation light initiator are very significant.4-thiophenyl phenyl phenylbenzene sulfonium hexafluorophosphate and 4, the mixture of the two hexafluorophosphates of 4 '-phenylbenzene sulfonium diphenyl sulfide (UVI6992, DOW) commercialization is sold, but its price is expensive, and it is big to solidify rear surface sulfocompound smell, has influenced use range.
At the deficiencies in the prior art, the present inventor has carried out intensive research.Found that this patent describes new compound and have good application performance, this compound has extremely low smell, finds simultaneously to mix by proper ratio with 4-thiophenyl phenyl phenylbenzene sulfonium hexafluorophosphate best curing efficiency to occur.This patent provides its manufacture method and methods for using them, so finished the present invention.
Summary of the invention
The invention provides the preparation method and the application of a photoinitiator halogenated alkyldiphenyl sulfonium hexafluoro phosphate.With the diphenyl sulfide is raw material, with saturated dihalide reaction, adds Potassium Hexafluorophosphate (or sodium hexafluoro phosphate) in the aqueous solution under the aluminum chloride katalysis, has precipitation to separate out, through the refining purity that obtains greater than 99% target compound.Be mixed for the highest curing efficiency to occur in the photo-cured coating prescription by 3: 1 weight with 4-thiophenyl phenyl phenylbenzene sulfonium hexafluorophosphate, especially heat after fixing effect excellence.
Detailed Description Of The Invention
One of purpose of the present invention is that a kind of smell of design is low, low-cost sulfosalt cationoid light trigger.
Another object of the present invention provides the preparation method of described compound, and Using such method can be synthesized them easily.
A further object of the present invention is the described application of compound method of research, and what described compound was provided mixes the example of using with other compounds by specified proportion.
The series compound of the present invention by following structural formula I is provided be as light trigger, and the preparation method of this compound and use brief overview.
Adopt photoinitiator compound of the present invention, reach the solution of forming with another compound, can in UV cationic curing prescription, use, can satisfy the user light trigger is hanged down smell and high efficiency requirement.
Wherein R is C
1-6Alkyl, X are halogen; Preferred R is C
1-4Alkyl, X are chlorine.
In the prior art, do not find this compound and its production and application example.
Below be some examples of compounds:
(1) chloromethyl phenylbenzene sulfonium hexafluorophosphate
(2) 2-chloro-ethyl phenylbenzene sulfonium hexafluorophosphate
(3) 3-chloro-propyl group phenylbenzene sulfonium hexafluorophosphate
(4) 4-chloro-butyl diphenyl sulfonium hexafluorophosphate
Methodology of organic synthesis has been adopted in their preparation, is raw material with diphenyl sulfide and dichloro-alkane, adds aluminum chloride as catalyzer in room temperature, has prepared target compound through hydrolysis, ion-exchange, purification step.
They and 4-thiophenyl phenyl phenylbenzene sulfonium hexafluorophosphate are mixed for the highest curing efficiency can occurring in the photo-cured coating prescription by 3: 1 weight.
Application quantity in photocuring system is 1%～5% with respect to resin, and is preferred 2%～4%, and they can be dissolved in propylene carbonate or polyvalent alcohol cyclic ethers and the alicyclic ring epoxy compound easily.In prescription, can use other necessary auxiliary agents such as flow agent etc.
Photocuring system is usually used in plastics, metallic surface coating and printing with the product form of coating, printing ink or tackiness agent.Adopt ultraviolet radiation, the high voltage mercury lamp of preferred wavelength range 200～500nm during curing.
Photoinitiator compound of the present invention is compared its superiority and is that it has extremely low smell and high curing efficiency with existing photoinitiator compound.
Embodiment
The present invention can be further described with indefiniteness embodiment hereinafter.
The preparation of embodiment 1:2-chloro-ethyl phenylbenzene sulfonium hexafluorophosphate
(a) in the four-hole bottle that stirring, thermometer and drying tube are arranged, drop into diphenyl sulfide 50.7g (0.27mol) and 1,2-ethylene dichloride 100ml, in the low temperature bath, stir to reduce temperature to 0 ℃, add aluminum trichloride (anhydrous) 48g (0.36mol) in batches, then stirring at room 12 hours.
(b) reaction solution is added drop-wise in 50ml concentrated hydrochloric acid and the 400g frozen water, stirs hydrolysis 1 hour, and solution is transferred to layering in the separating funnel, and each uses 150ml water washing twice lower floor's dichloroethane solution, merges the aqueous solution.
(c) 44g (0.239mol) Potassium Hexafluorophosphate is dissolved in the 500ml water, is added drop-wise to then in the said hydrolyzed aqueous solution, separates out white solid, and stirring at room 1h filters washing, obtains 2-chloro-ethyl-phenylbenzene sulfonium hexafluorophosphate crude product 89.3g after the drying.
(d) above-mentioned crude product 40g join be back in the 200ml methanol solution molten entirely, heat filtering, column crystallization is separated out in filtrate cooling, is cooled to-10 ℃ of filtrations.The gained solid dries and obtains pure product 36.2g, purity 99.0% (HPLC), fusing point 120-122 ℃.MS: positive ion 249.1; Negative ion 144.9.Ultimate analysis: C42.46% (theoretical value 42.60%), H3.66 (theoretical value 3.57%);
1H-NMR data: 3.48-3.53 (t, J=5.4Hz, CH
2Cl); 4.578-4.61 (t, J=5.4Hz, SCH
2); (7.74-7.80 t, phenyl ring 4H); (7.80-7.85 t, J=7.3Hz phenyl ring 2H); (7.967-7.993 d, J=7.8Hz phenyl ring 4H).
Embodiment 2:4-chloro-butyl diphenyl sulfonium hexafluorophosphate
Use 1, the 4-dichlorobutane replaces 1, the 2-ethylene dichloride, and the preparation method obtains 4-chloro-butyl diphenyl sulfonium hexafluorophosphate, fusing point 56.3-59.0 ℃ with embodiment 1.
1H-NMR data: 1.92-2.05 (m, 2CH
2); 3.53-3.57 (t, J=5.46Hz, CH
2Cl); 4.07-4.12 (t, J=7.4Hz, SCH
2); (7.67-7.78 m, phenyl ring 6H); (7.89-7.91 d, J=7.8Hz phenyl ring 4H).
Embodiment 3: chloromethyl phenylbenzene sulfonium hexafluorophosphate
Use methylene dichloride to replace 1, the 2-ethylene dichloride, the preparation method obtains chloromethyl phenylbenzene sulfonium hexafluorophosphate, fusing point 122.7-123.3 ℃ with embodiment 1.
1H-NMR data: 5.75 (s, CH
2Cl); (7.74-7.78 t, phenyl ring 4H); (7.821-7.869 t, J=7.3Hz phenyl ring 2H); (7.898-7.923 d, J=7.8Hz phenyl ring 4H).
Embodiment 4:2-chloro-ethyl phenylbenzene sulfonium hexafluorophosphate (I) is used in prescription with 4-thiophenyl phenyl-phenylbenzene sulfonium hexafluorophosphate (II) mixing solutions
(a) experimental raw
(b) prescription
| Raw material | UVA1530 | Propylene carbonate | BYK-307 | PI measures (II: I) |
| Prescription A (wt%) | 78.5 | 19 | 0.5 | 2 (10∶90) |
| Prescription B (wt%) | 78.5 | 19 | 0.5 | 2 (25∶75) |
| Prescription C (wt%) | 78.5 | 19 | 0.5 | 2 (50∶50) |
| Prescription D (wt%) | 78.5 | 19 | 0.5 | 2 (75∶25) |
| Prescription E (wt%) | 78.5 | 19 | 0.5 | 4 (UVI6992) |
(c) coating: sample is coated on the slide glass with 50u and 100u line rod spreader, uses high voltage mercury lamp (80w/cm, test plate (panel) and lamp are apart from 20cm), and the 45s surface is little sticking, the 60s completely solidified.The transparent not xanthochromia of cured film.
(d) condition of cure: sample all solidifies in the solid machine of track type UV-light, solidifies fast 6.8m/min, and lamp is apart from 13cm, two lamps solidify (single lamp power 1000W), check color and smell, carry out surface and the evaluation of deep layer curing performance, the grading of deep layer curing performance: 5 grades best, and 1 is differential.
(e) curing performance relatively
(f) conclusion
Prescription B is best relatively in five prescriptions, and I and II are mixed for providing the highest curing efficiency in the photo-cured coating prescription by 3: 1 weight.After solidifying and solidify, deep layer is better than the E that fills a prescription on two indexs of smell.
Use embodiment 2 and embodiment 3 prepared compounds also to obtain analog result.
Claims (10)
1, a kind of compound, its general structure:
Wherein R is C
1-6Alkyl, X are halogen.
2, according to the compound of claim 1, wherein R is C
1-4Alkyl, X are chlorine.
3, compound according to claim 2, it is selected from:
(1) chloromethyl phenylbenzene sulfonium hexafluorophosphate;
(2) 2-chloro-ethyl phenylbenzene sulfonium hexafluorophosphate;
(3) 3-chloro-propyl group phenylbenzene sulfonium hexafluorophosphate;
(4) 4-chloro-butyl diphenyl sulfonium hexafluorophosphate.
4, the preparation method of compound according to claim 2 is a raw material with diphenyl sulfide and dichloro-alkane, adds aluminum chloride as catalyzer in room temperature, has prepared target compound through hydrolysis, ion-exchange, purification step.
5, a kind of light solidifying paint composition, it comprises described compound of at least a claim 2 and 4-thiophenyl phenyl phenylbenzene sulfonium hexafluorophosphate, and they are dissolved in propylene carbonate or polyvalent alcohol cyclic ethers and the alicyclic ring epoxy compound, and wherein the blending ratio of described compound of claim 2 and 4-thiophenyl phenyl phenylbenzene sulfonium hexafluorophosphate is 1: 9-1: 1 weight.
6, light solidifying paint composition according to claim 5, wherein said blending ratio are 1: 3 weight.
7, light solidifying paint composition according to claim 5, wherein the application quantity of described compound of claim 2 and 4-thiophenyl phenyl phenylbenzene sulfonium hexafluorophosphate is 1-5 weight % with respect to resin.
8, light solidifying paint composition according to claim 7, wherein the application quantity of described compound of claim 2 and 4-thiophenyl phenyl phenylbenzene sulfonium hexafluorophosphate is 2-4 weight % with respect to resin.
9, a kind of Photocurable composition, it comprises the compound described at least a claim 2.
10, the compound described in the claim 2 is as the purposes of a kind of component of light and heat dual cure compositions.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100718569A CN100569784C (en) | 2005-05-26 | 2005-05-26 | The preparation method of halogenated alkyldiphenyl sulfonium hexafluoro phosphate and application |
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| CN100569784C true CN100569784C (en) | 2009-12-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012056201A3 (en) * | 2010-10-27 | 2012-09-27 | Hovione Inter Limited | Sulfonium ion based electrophilic reagents for monohalomethyl group transfer, their preparation and uses |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7397256B2 (en) * | 2019-11-12 | 2023-12-13 | 学校法人東京理科大学 | Sulfonium compounds, acid generators, curable compositions and cured products |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012056201A3 (en) * | 2010-10-27 | 2012-09-27 | Hovione Inter Limited | Sulfonium ion based electrophilic reagents for monohalomethyl group transfer, their preparation and uses |
| US9290446B2 (en) | 2010-10-27 | 2016-03-22 | Hovione Inter Limited | Electrophilic reagents for monohalomethylation, their preparation and their uses |
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| CN1869039A (en) | 2006-11-29 |
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Application publication date: 20061129 Assignee: Jiangsu Yingli Technology Development Co., Ltd. Assignor: Yingli Science and Technology Development Co., Ltd., Beijing Contract record no.: 2010320000404 Denomination of invention: Preparation method of halogenated alkyldiphenyl sulfonium hexafluoro phosphate and application Granted publication date: 20091216 License type: Exclusive License Record date: 20100415 |
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Address after: Beijing City, Haidian District Zhongguancun 100190 South 1 1 horse Baxter 10 storey building Patentee after: Yingli Science and Technology Development Co., Ltd., Beijing Address before: 100084 Haidian District Thunis International Exchange Center, Zhongguancun East Road, Beijing, four Patentee before: Yingli Science and Technology Development Co., Ltd., Beijing |
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