CN105566568B - A kind of preparation method of silicon light diffusing agent - Google Patents
A kind of preparation method of silicon light diffusing agent Download PDFInfo
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- CN105566568B CN105566568B CN201510943508.XA CN201510943508A CN105566568B CN 105566568 B CN105566568 B CN 105566568B CN 201510943508 A CN201510943508 A CN 201510943508A CN 105566568 B CN105566568 B CN 105566568B
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- light diffusing
- diffusing agent
- sodium
- methyl
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- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 8
- 239000010703 silicon Substances 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- -1 siloxanes Chemical class 0.000 claims abstract description 16
- 150000004702 methyl esters Chemical class 0.000 claims abstract description 10
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002270 dispersing agent Substances 0.000 claims abstract description 6
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 6
- RQAVKYPVSDCFJQ-UHFFFAOYSA-N 2-methyl-n-(2-methylpropoxy)prop-2-enamide Chemical compound CC(C)CONC(=O)C(C)=C RQAVKYPVSDCFJQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 11
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 5
- 238000006735 epoxidation reaction Methods 0.000 claims description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- BTBJBAZGXNKLQC-UHFFFAOYSA-N ammonium lauryl sulfate Chemical compound [NH4+].CCCCCCCCCCCCOS([O-])(=O)=O BTBJBAZGXNKLQC-UHFFFAOYSA-N 0.000 claims description 2
- 229940063953 ammonium lauryl sulfate Drugs 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 claims description 2
- 239000001103 potassium chloride Substances 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L sodium sulphate Substances [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- JYTNGEWJAZCVAN-UHFFFAOYSA-N 2-hexadecylbenzenesulfonic acid;sodium Chemical compound [Na].CCCCCCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O JYTNGEWJAZCVAN-UHFFFAOYSA-N 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004593 Epoxy Substances 0.000 abstract description 7
- 239000003999 initiator Substances 0.000 abstract description 3
- 238000005119 centrifugation Methods 0.000 abstract description 2
- 239000003112 inhibitor Substances 0.000 abstract description 2
- 238000010792 warming Methods 0.000 abstract description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 6
- 239000004926 polymethyl methacrylate Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- PBRXKNKPUMMYPO-UHFFFAOYSA-N 1-$l^{1}-oxidanyl-2-methylpropane Chemical compound CC(C)C[O] PBRXKNKPUMMYPO-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229910052634 enstatite Inorganic materials 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000000913 palmityl 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])C([H])([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 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 208000007578 phototoxic dermatitis Diseases 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 1
- MZSDGDXXBZSFTG-UHFFFAOYSA-M sodium;benzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1 MZSDGDXXBZSFTG-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
- C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
- C08F283/126—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes on to polysiloxanes being the result of polycondensation and radical polymerisation reactions
Abstract
The invention provides a kind of preparation method of silicon light diffusing agent, preparation method is as follows：In a kettle., pure water, polymerization inhibitor are squeezed into, add a certain amount of dispersant, initiator, (3 mercaptopropyi) trimethoxy silane (MPTS), the acrylic acid epoxy methyl esters of 2 methyl 2, N (isobutoxy) Methacrylamide, tetramethyl tetravinyl siloxanes participates in polymerization, is warming up to reaction temperature, and question response terminates, centrifugation, dries.Obtain this patent product.
Description
Technical field
The present invention relates to a kind of light diffusing agent, particularly a kind of preparation method of silicon light diffusing agent.
Background technology
Inorganic particulate, including glass microballoon, SiO, TiO, CaCO3, MgSiO3, BaSO4 and vulcanization are used light diffusing agent more
Thing ZnS, BaS etc..These inorganic particulates are typically hard, irregular, easily worn and torn process equipment during processing, dispersed phase
Grain size is extremely difficult to uniformly decline the mechanical property of polymeric matrix, and these particles are to hot, oxygen and ultraviolet photosensitive
Sense, if the excessive uneven surface for also resulting in material of dispersed particle, and, the addition of inorganic particulate can have a strong impact on printing opacity
Rate, seriously limits application of the inorganic particulate in photodiffusion material.In recent years, organic polymer particle is used as light diffusing agent
Using also more, mainly there are polymethyl methacrylate, polystyrene, silicones, acrylic resin, methyl methacrylate
One styrene copolymerzation with cross-linking microballoon etc..
CN103193915 is related to a kind of light diffusing agent, PMMA light diffusing sheets and preparation method thereof.The light diffusing agent is benzene second
The random copolymer of alkene (St) and methacryloxypropyl isobutyl group polyhedral oligomeric silsesquioxane (MAiBuPOSS).PMMA
The composition and weight/mass percentage composition of light diffusing sheet be：Polymethyl methacrylate 97.0~99.5%, light diffusing agent 0.5~
3.0%, the weight/mass percentage composition of above each component is 100%.Styrene content and MAiBuPOSS compositions in light diffusing agent
Refractive index is different from the refractive index of PMMA, and when light is by material, light can be by repeatedly refraction, finally by the light of base material
It is soft that line becomes light.MAiBuPOSS compositions cause that dispersiveness liftings of the PS in PMMA is notable simultaneously, obtain excellent saturating
Photosensitiveness and light scattering, optical performance is high.
CN101849201 provides a kind of light diffusing and light transmission that can be assigned better than existing spherical resin particle
Property, improve the light diffusing agent of the performance of final products such as screen.Light diffusing agent of the invention is included in surface has multiple pits
Spherical resin particle, the transparency, optics physical property are excellent, so using the optical diffusion film of the light diffusing agent there is excellent light to expand
Dissipate property and total light transmission.
The light diffusing agent of existing known technology disperses bad in the base, there is agglomeration.Needs be surface-treated with
Guarantee is uniformly dispersed, to improve light dispersiveness.
The content of the invention
In view of the shortcomings of the prior art, the invention discloses a kind of preparation method of silicon light diffusing agent, preparation method is such as
Under：
In a kettle., pure water is squeezed into, polymerization inhibitor adds a certain amount of dispersant, initiator, (3- mercaptopropyis) front three
TMOS (MPTS), 2- methyl -2- acrylic acid epoxy methyl esters, N- (isobutoxy) Methacrylamide, tetramethyl tetrem
Alkenyl siloxane participates in polymerization, is warming up to reaction temperature, and question response terminates, centrifugation, dries.Obtain this patent product.
The present invention provides a kind of preparation method of silicon light diffusing agent, is realized by following steps：
Step 1) water phase preparation：
By weight, it is interior in a kettle. to add 1000 parts of water, 0.5-2 parts of dispersant to stir.
Step 2) oil phase preparation：
By weight, in 100 parts of (3- mercaptopropyis) trimethoxy silanes (MPTS), monomer total amount degree is accounted for
0.5~5% 2- methyl -2- acrylic acid epoxy methyl esters, accounts for N- (the isobutyl oxygen of monomer total amount degree 0.5~5%
Base) Methacrylamide, the tetramethyl tetravinyl siloxanes participation polymerization of monomer total amount degree 0.5~5% is accounted for, then
0.5~2 part of sodium peroxydisulfate is added to stir；
Step 3) polymerisation：
The oil-phase solution that will be prepared is added to step 1) in equipped with having prepared the reactor of water phase, then in 70-90
DEG C, 1-4h is reacted, reaction is filtered after terminating, and drying obtains product.
The preferred sodium peroxydisulfate of initiator.
(3- mercaptopropyis) trimethoxy silane (MPTS) is commercially available prod, such as Hubei Ju Sheng Science and Technology Ltd.s life
The product of product；2- methyl -2- acrylic acid epoxies the methyl esters is commercially available prod, such as Shanghai Yan Jing bio tech ltd pin
The product sold；N- (isobutoxy) Methacrylamide is commercially available prod.Such as Nanjing Kang Manlin chemical industry Industrial Co., Ltd.
The product of production；The tetramethyl tetravinyl siloxanes is commercially available prod.Such as the product of Hubei Ju Sheng Science and Technology Ltd.s production
Product.
The dispersant includes anion emulsifier, is ammonium lauryl sulfate, neopelex, cetyl
The chain alkyl type anion such as benzene sulfonic acid sodium salt, B-53, polyoxyethylene alkyl ether sodium sulphate and paraffin sulfonate
Any one in type emulsifying agent, perfluoro caprylic acid sylvite or ammonium salt and the pungent sulfonate sodium of perfluor alkane or ammonium salt.It is preferred that dodecyl
Benzene sulfonic acid sodium salt.
Beneficial effects of the present invention：
Existing light diffusing agent.Needs are surface-treated to ensure to be uniformly dispersed, to improve light dispersiveness.By
The functional groups such as epoxy radicals, isobutoxy, silica group are introduced on skeleton, makes resistance to oxidation in light diffusing particles matrix material, it is unsuitable
Translucency is influenceed because of degraded, makes light transmittance higher.
Specific embodiment
Following examples are only to further illustrate the present invention, are not limitation the scope of protection of the invention.
The present invention provides a kind of preparation method of silicon light diffusing agent, is realized by following steps：
Embodiment 1：
The preparation of step 1. water phase
The interior addition 1000Kg water in 2000L autoclaves, 1Kg neopelexes stir.
The preparation of step 2. oil phase
In 500L reactors, by 100Kg (3- mercaptopropyis) trimethoxy silane (MPTS), 1Kg2- methyl -2- third
Olefin(e) acid epoxidation methyl esters, 1KgN- (isobutoxy) Methacrylamide, 2Kg tetramethyl tetravinyls siloxanes adds 1Kg over cures
Sour sodium, stirs.
Step 3. polymerisation
The oil-phase solution that will be prepared is equipped with the autoclave for having prepared water phase in being added to step 1, then anti-from 80 DEG C
Answer 14h, reaction to be centrifuged after terminating, be dried to obtain product.Numbering is SX-1.
Embodiment 2
The preparation of step 1. water phase
The interior addition 1000Kg water in 2000L autoclaves, 0.5Kg neopelexes stir.
The preparation of step 2. oil phase
In 500L reactors, by 100Kg (3- mercaptopropyis) trimethoxy silane (MPTS), 0.5Kg2- methyl -2-
Acrylic acid epoxy methyl esters, 0.5KgN- (isobutoxy) Methacrylamide, 0.5Kg tetramethyl tetravinyl siloxanes is added
0.1Kg sodium peroxydisulfates, stir.
Step 3. polymerisation
The oil-phase solution that will be prepared is equipped with the autoclave for having prepared water phase in being added to step 1, then anti-from 70 DEG C
Answer 2h, reaction to be centrifuged after terminating, be dried to obtain product.Numbering is SX-2.
Embodiment 3
The preparation of step 1. water phase
The interior addition 1000Kg water in 2000L autoclaves, 2Kg neopelexes stir.
The preparation of step 2. oil phase
In 500L reactors, by 100Kg (3- mercaptopropyis) trimethoxy silane (MPTS), 5Kg2- methyl -2- third
Olefin(e) acid epoxidation methyl esters, 5KgN- (isobutoxy) Methacrylamide, 5Kg tetramethyl tetravinyl siloxanes adds 0.5Kg
Sodium peroxydisulfate, stirs.
Step 3. polymerisation
The oil-phase solution that will be prepared is equipped with the autoclave for having prepared water phase in being added to step 1, then anti-from 90 DEG C
Answer 1h, reaction to be centrifuged after terminating, be dried to obtain product.Numbering is SX-3.
Comparative example 1
2- methyl -2- acrylic acid epoxy methyl esters is added without, production code member is SX-4.
Comparative example 2
N- (isobutoxy) Methacrylamide is added without, production code member is SX-5.
Comparative example 3
Tetramethyl tetravinyl siloxanes is added without, production code member is SX-6.
Comparative example 4
It is added without tetramethyl tetravinyl siloxanes, N- (isobutoxy) Methacrylamide, 2- methyl -2- acrylic acid
Epoxidation methyl esters production code member is SX-7.
Embodiment 4
1 part of obtained light diffusing particles in embodiment 1-3 and comparative example 1-3,0.3 part of antioxidant is carried out pre- with diffusant
Dispersion, after adding 100 parts of PC particles, is transferred to stirring in low speed mixer, is melted altogether with double screw extruder after being well mixed
Mixed, granulation, most afterwards through injection machine injection moulding light diffusing sheet.
Optic test
Using light transmittance/mist degree tester (EEL57D, Shanghai precision instrument Co., Ltd), surveyed by GB/T2410-2008
Examination.
Claims (1)
1. a kind of preparation method of silicon light diffusing agent, it is characterised in that comprise the following steps：
Step 1) water phase preparation：
By weight, it is interior in a kettle. to add 1000 parts of water, 0.5-2 parts of dispersant to stir；
The dispersant includes ammonium lauryl sulfate, neopelex, cetyl benzenesulfonic acid sodium, dialkyl group amber
Sour sodium, polyoxyethylene alkyl ether sodium sulphate and paraffin sulfonate, perfluoro caprylic acid sylvite or ammonium salt and the pungent sulfonate of perfluor alkane；
Step 2) oil phase preparation：
By weight, in 100 parts of (3- mercaptopropyis) trimethoxy silanes (MPTS), 0.5~5 part of 2- methyl -2- propylene
Sour epoxidation methyl esters, 0.5~5 part N- (isobutoxy) Methacrylamide, 0.5~5 part of tetramethyl tetravinyl silicon
Oxygen alkane participates in polymerization, adds 0.5~2 part of sodium peroxydisulfate and stirs；
Step 3) polymerisation：
By step 2) in the oil-phase solution for preparing be added to step 1) in equipped with the reactor for having prepared water phase, then in 70-
90 DEG C, 1-4h is reacted, reaction is filtered after terminating, and drying obtains product.
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| CN103275321A (en) * | 2013-05-17 | 2013-09-04 | 涌奇材料技术（上海）有限公司 | Preparation method and application of organosilicon photo-diffusion particle |
| CN105131183A (en) * | 2015-09-24 | 2015-12-09 | 衢州市中通化工有限公司 | Preparation method of fluorosilicone optical diffusing agent |
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| JP5860689B2 (en) * | 2011-12-20 | 2016-02-16 | 株式会社日本触媒 | Organic particles for light diffusion media |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102037059A (en) * | 2008-05-21 | 2011-04-27 | 住友精化株式会社 | Resin particle having many recesses on surface thereof |
| CN103275321A (en) * | 2013-05-17 | 2013-09-04 | 涌奇材料技术（上海）有限公司 | Preparation method and application of organosilicon photo-diffusion particle |
| CN105131183A (en) * | 2015-09-24 | 2015-12-09 | 衢州市中通化工有限公司 | Preparation method of fluorosilicone optical diffusing agent |
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