CN107286898A - A kind of resistance to vulcanization TFT LCD packaging silicon rubbers of high index of refraction - Google Patents
A kind of resistance to vulcanization TFT LCD packaging silicon rubbers of high index of refraction Download PDFInfo
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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
- 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
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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
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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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- 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
- C08L2205/05—Polymer mixtures characterised by other features containing polymer components which can react with one another
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Abstract
The invention discloses a kind of resistance to vulcanization TFT LCD packaging silicon rubbers of high index of refraction, it is made up of the raw material of following parts by weight:35 parts of 35 parts of nanometer diamond, 23 parts of curing accelerator and curing inhibitors that 72 84 parts of methyl phenyl vinyl polysiloxane, 36 44 parts of vinylite, 18 22 parts of the hydrogeneous diphenylpolysiloxane in chain extender end, 40 parts of polysiloxanes A30,28 34 parts of polysiloxanes B, 24 parts of 35 parts of 47 parts of 36 parts of 8 18 parts of organosilicon, platinum group catalyst, bonding agent, crosslinking agent, inhibitor containing cycloolefin structure, surface are modified.Compared with prior art, TFT LCD packaging silicon rubbers of the invention can be strong except with excellent optical texture, high index of refraction, and sulfidation-resistance, and sealing property, durability can be good, and weather resistance is good, yellowing-resistant, easy deaeration, the advantages of being easy to operation.
Description
Technical field
The present invention relates to packaging silicon rubber technical field, and in particular to a kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of high index of refraction.
Background technology
The rise of LED industry, new hope is brought to energy-saving and emission-reduction, energy environment protection, shown it is extremely wide should
Use prospect.With developing rapidly for LED industry especially Lighting Industry, LED progressively develops to high-power direction, therefore to encapsulation
Material, which is proposed, more more fully to be required.High index of refraction LED packaging silicon rubbers are because internal stress is small, ageing-resistant, resistant of high or low temperature
Can be good, the performance such as high light flux turns into important encapsulating material, is widely used in LED encapsulation fields.
With industrial expansion, the sulfur content in air increasingly increases, if encapsulating material selects improper, the sulphur in air
The silver layer of support can be corroded through encapsulating material or its bonding interface, form black silver sulfide, cause light decay drastically to increase
Plus.Therefore this just brings new challenge to encapsulating material, it is necessary to improve the sulfidation-resistance energy of encapsulating material.Therefore formula design
Upper use mostly improves phenyl polysiloxane content, improves the methods such as crosslink density and improves resistance to vulcanization, such design, although resistant to sulfur
Change performance to improve, but encapsulating material internal stress is too high, and can cause the toughness of material reduces, and reaction causes high/low temperature cold after packaging
The phenomenon such as easy to crack occurs after the dead lamp of thermal shock, encapsulating material high/low temperature.
The content of the invention
The present invention is intended to provide a kind of high index of refraction resistance to vulcanization TFT-LCD packaging silicon rubbers.
The present invention provides following technical scheme:
A kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of high index of refraction, it is made up of the raw material of following parts by weight:Methylbenzene
It is 72-84 parts of base vinyl polysiloxane, 36-44 parts of vinylite, hydrogeneous diphenylpolysiloxane 18-22 parts of chain extender end, poly-
30-40 parts of siloxanes A, 28-34 parts of polysiloxanes B, 8-18 parts of organosilicon, platinum group catalyst 3-6 containing cycloolefin structure
Part, 4-7 parts of bonding agent, 3-5 parts of crosslinking agent, 2-4 parts of inhibitor, 3-5 parts of the nanometer diamond of surface modification, curing accelerator 2-3
3-5 parts of part and curing inhibitors.
A kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of high index of refraction, its preparation method comprises the following steps:
(1) by methyl phenyl vinyl polysiloxane, vinylite, the hydrogeneous diphenylpolysiloxane in chain extender end, poly- silicon
Oxygen alkane A, polysiloxanes B are well mixed, and are heated the mixture to 45 DEG C and are carried out decentralized processing 15-25min;
(2) mixture after above-mentioned decentralized processing is heated to 55-60 DEG C, sequentially added while stirring containing cycloolefin knot
Nanometer diamond that the organosilicon of structure, platinum group catalyst, bonding agent, crosslinking agent, inhibitor, surface are modified, curing accelerator and solid
Change inhibitor, be sufficiently mixed uniformly, deaeration is then carried out under vacuum, obtain just glue;
(3) the just glue is subjected to curing process, obtains TFT-LCD packaging silicon rubbers, when being cooled to 45 DEG C, be put into a little
Dispensing is carried out on glue machine, 45 DEG C are maintained at, then more than 60min is preheated at a temperature of 150 DEG C and is dehumidified, is sealed after dehumidifying in 3-4h
Glue;
(4) 2-3h is toasted at a temperature of 70 DEG C after sealing processing, temperature then is brought up into 150 DEG C of baking 3-4h produces
The TFT-LCD packaging silicon rubbers.
The methyl phenyl vinyl polysiloxane molecular formula is
(ViMe2SiO1/2) x (PhSiO3/2) y, wherein, the Me is methyl, and Vi is vinyl, and Ph is phenyl, x:Y=
1:4-5。
The crosslinking agent is the organic hydrogen polysiloxanes containing pendant hydrogen, and structural formula is:
The platinum group catalyst is in the alcoholic solution, platinum-vinyl siloxane complex, platinum olefin complex of chloroplatinic acid
Any one, wherein platinum content is 3600-4500ppm.
The nanometer diamond that the surface is modified is prepared by following methods:White oil, silicone coupling agents and nanometer are bored
Stone is mixed, and the mass ratio of the silicone coupling agents and nanometer diamond is 2:1, stirred at 60-80 DEG C, it is isolated solid
Shape thing, 60-120min is dried under 120-150 DEG C, -0.1-0.99Mpa.
The structural formula of the organosilicon containing cycloolefin structure is as follows:
The curing accelerator is the complex of chloroplatinic acid and tetramethyl divinyl disiloxane, the curing inhibitors
For ethynylcyclohexanol.
Compared with prior art, the beneficial effects of the invention are as follows:The TFT-LCD packaging silicon rubbers of the present invention are except with excellent
Optical texture, high index of refraction, and sulfidation-resistance can be strong, sealing property, durability can be good, and weather resistance is good, yellowing-resistant,
Easy deaeration, the advantages of being easy to operation.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
A kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of the high index of refraction of embodiment 1, it is the raw material group by following parts by weight
Into:It is 72 parts of methyl phenyl vinyl polysiloxane, 36 parts of vinylite, 18 parts of the hydrogeneous diphenylpolysiloxane in chain extender end, poly-
30 parts of siloxanes A, 28 parts of polysiloxanes B, 3 parts of 8 parts of organosilicon, platinum group catalyst, bonding agent 4 containing cycloolefin structure
3 parts of 3 parts of nanometer diamond, 2 parts of curing accelerator and curing inhibitors that part, 3 parts of crosslinking agent, 2 parts of inhibitor, surface are modified.
A kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of high index of refraction, its preparation method comprises the following steps:
(1) by methyl phenyl vinyl polysiloxane, vinylite, the hydrogeneous diphenylpolysiloxane in chain extender end, poly- silicon
Oxygen alkane A, polysiloxanes B are well mixed, and are heated the mixture to 45 DEG C and are carried out decentralized processing 15-25min;
(2) mixture after above-mentioned decentralized processing is heated to 55-60 DEG C, sequentially added while stirring containing cycloolefin knot
Nanometer diamond that the organosilicon of structure, platinum group catalyst, bonding agent, crosslinking agent, inhibitor, surface are modified, curing accelerator and solid
Change inhibitor, be sufficiently mixed uniformly, deaeration is then carried out under vacuum, obtain just glue;
(3) the just glue is subjected to curing process, obtains TFT-LCD packaging silicon rubbers, when being cooled to 45 DEG C, be put into a little
Dispensing is carried out on glue machine, 45 DEG C are maintained at, then more than 60min is preheated at a temperature of 150 DEG C and is dehumidified, is sealed after dehumidifying in 3-4h
Glue;
(4) 2-3h is toasted at a temperature of 70 DEG C after sealing processing, temperature then is brought up into 150 DEG C of baking 3-4h produces
The TFT-LCD packaging silicon rubbers.
The methyl phenyl vinyl polysiloxane molecular formula is
(ViMe2SiO1/2) x (PhSiO3/2) y, wherein, the Me is methyl, and Vi is vinyl, and Ph is phenyl, x:Y=
1:4-5。
The crosslinking agent is the organic hydrogen polysiloxanes containing pendant hydrogen, and structural formula is:
The platinum group catalyst is in the alcoholic solution, platinum-vinyl siloxane complex, platinum olefin complex of chloroplatinic acid
Any one, wherein platinum content is 3600-4500ppm.
The nanometer diamond that the surface is modified is prepared by following methods:White oil, silicone coupling agents and nanometer are bored
Stone is mixed, and the mass ratio of the silicone coupling agents and nanometer diamond is 2:1, stirred at 60-80 DEG C, it is isolated solid
Shape thing, 60-120min is dried under 120-150 DEG C, -0.1-0.99Mpa.
The structural formula of the organosilicon containing cycloolefin structure is as follows:
The curing accelerator is the complex of chloroplatinic acid and tetramethyl divinyl disiloxane, the curing inhibitors
For ethynylcyclohexanol.
A kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of the high index of refraction of embodiment 2, it is the raw material group by following parts by weight
Into:It is 84 parts of methyl phenyl vinyl polysiloxane, 44 parts of vinylite, 22 parts of the hydrogeneous diphenylpolysiloxane in chain extender end, poly-
40 parts of siloxanes A, B34 parts of polysiloxanes, 6 parts of 18 parts of organosilicon, platinum group catalyst, bonding agent 7 containing cycloolefin structure
5 parts of 5 parts of nanometer diamond, 3 parts of curing accelerator and curing inhibitors that part, 5 parts of crosslinking agent, inhibitors 4 part, surface are modified.
A kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of high index of refraction, its preparation method comprises the following steps:
(1) by methyl phenyl vinyl polysiloxane, vinylite, the hydrogeneous diphenylpolysiloxane in chain extender end, poly- silicon
Oxygen alkane A, polysiloxanes B are well mixed, and are heated the mixture to 45 DEG C and are carried out decentralized processing 15-25min;
(2) mixture after above-mentioned decentralized processing is heated to 55-60 DEG C, sequentially added while stirring containing cycloolefin knot
Nanometer diamond that the organosilicon of structure, platinum group catalyst, bonding agent, crosslinking agent, inhibitor, surface are modified, curing accelerator and solid
Change inhibitor, be sufficiently mixed uniformly, deaeration is then carried out under vacuum, obtain just glue;
(3) the just glue is subjected to curing process, obtains TFT-LCD packaging silicon rubbers, when being cooled to 45 DEG C, be put into a little
Dispensing is carried out on glue machine, 45 DEG C are maintained at, then more than 60min is preheated at a temperature of 150 DEG C and is dehumidified, is sealed after dehumidifying in 3-4h
Glue;
(4) 2-3h is toasted at a temperature of 70 DEG C after sealing processing, temperature then is brought up into 150 DEG C of baking 3-4h produces
The TFT-LCD packaging silicon rubbers.
The methyl phenyl vinyl polysiloxane molecular formula is
(ViMe2SiO1/2) x (PhSiO3/2) y, wherein, the Me is methyl, and Vi is vinyl, and Ph is phenyl, x:Y=
1:4-5。
The crosslinking agent is the organic hydrogen polysiloxanes containing pendant hydrogen, and structural formula is:
The platinum group catalyst is in the alcoholic solution, platinum-vinyl siloxane complex, platinum olefin complex of chloroplatinic acid
Any one, wherein platinum content is 3600-4500ppm.
The nanometer diamond that the surface is modified is prepared by following methods:White oil, silicone coupling agents and nanometer are bored
Stone is mixed, and the mass ratio of the silicone coupling agents and nanometer diamond is 2:1, stirred at 60-80 DEG C, it is isolated solid
Shape thing, 60-120min is dried under 120-150 DEG C, -0.1-0.99Mpa.
The structural formula of the organosilicon containing cycloolefin structure is as follows:
The curing accelerator is the complex of chloroplatinic acid and tetramethyl divinyl disiloxane, the curing inhibitors
For ethynylcyclohexanol.
A kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of the high index of refraction of embodiment 3, it is the raw material group by following parts by weight
Into:It is 76 parts of methyl phenyl vinyl polysiloxane, 38 parts of vinylite, 20 parts of the hydrogeneous diphenylpolysiloxane in chain extender end, poly-
35 parts of siloxanes A, 32 parts of polysiloxanes B, 5 parts of 15 parts of organosilicon, platinum group catalyst, bonding agent 6 containing cycloolefin structure
4 parts of 4 parts of nanometer diamond, 3 parts of curing accelerator and curing inhibitors that part, 4 parts of crosslinking agent, 3 parts of inhibitor, surface are modified.
A kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of high index of refraction, its preparation method comprises the following steps:
(1) by methyl phenyl vinyl polysiloxane, vinylite, the hydrogeneous diphenylpolysiloxane in chain extender end, poly- silicon
Oxygen alkane A, polysiloxanes B are well mixed, and are heated the mixture to 45 DEG C and are carried out decentralized processing 15-25min;
(2) mixture after above-mentioned decentralized processing is heated to 55-60 DEG C, sequentially added while stirring containing cycloolefin knot
Nanometer diamond that the organosilicon of structure, platinum group catalyst, bonding agent, crosslinking agent, inhibitor, surface are modified, curing accelerator and solid
Change inhibitor, be sufficiently mixed uniformly, deaeration is then carried out under vacuum, obtain just glue;
(3) the just glue is subjected to curing process, obtains TFT-LCD packaging silicon rubbers, when being cooled to 45 DEG C, be put into a little
Dispensing is carried out on glue machine, 45 DEG C are maintained at, then more than 60min is preheated at a temperature of 150 DEG C and is dehumidified, is sealed after dehumidifying in 3-4h
Glue;
(4) 2-3h is toasted at a temperature of 70 DEG C after sealing processing, temperature then is brought up into 150 DEG C of baking 3-4h produces
The TFT-LCD packaging silicon rubbers.
The methyl phenyl vinyl polysiloxane molecular formula is
(ViMe2SiO1/2) x (PhSiO3/2) y, wherein, the Me is methyl, and Vi is vinyl, and Ph is phenyl, x:Y=
1:4-5。
The crosslinking agent is the organic hydrogen polysiloxanes containing pendant hydrogen, and structural formula is:
The platinum group catalyst is in the alcoholic solution, platinum-vinyl siloxane complex, platinum olefin complex of chloroplatinic acid
Any one, wherein platinum content is 3600-4500ppm.
The nanometer diamond that the surface is modified is prepared by following methods:White oil, silicone coupling agents and nanometer are bored
Stone is mixed, and the mass ratio of the silicone coupling agents and nanometer diamond is 2:1, stirred at 60-80 DEG C, it is isolated solid
Shape thing, 60-120min is dried under 120-150 DEG C, -0.1-0.99Mpa.
The structural formula of the organosilicon containing cycloolefin structure is as follows:
The curing accelerator is the complex of chloroplatinic acid and tetramethyl divinyl disiloxane, the curing inhibitors
For ethynylcyclohexanol.
It is obvious to a person skilled in the art that the invention is not restricted to the details of the one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than the explanation is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Although not each moreover, it will be appreciated that the present specification is described in terms of embodiments
Embodiment is only comprising an independent technical scheme, and this narrating mode of specification is only this area for clarity
Technical staff should be using specification as an entirety, and the technical solutions in the various embodiments may also be suitably combined, forms this
Art personnel may be appreciated other embodiment.
Claims (8)
1. a kind of resistance to vulcanization TFT-LCD packaging silicon rubbers of high index of refraction, it is characterised in that it is the raw material group by following parts by weight
Into:72-84 parts of methyl phenyl vinyl polysiloxane, 36-44 parts of vinylite, the hydrogeneous diphenylpolysiloxane in chain extender end
18-22 parts, 30-40 parts of polysiloxanes A, 28-34 parts of polysiloxanes B, 8-18 parts of organosilicon, platinum group containing cycloolefin structure
3-6 parts of catalyst, 4-7 parts of bonding agent, 3-5 parts of crosslinking agent, 2-4 parts of inhibitor, 3-5 parts of the nanometer diamond of surface modification, solidification
3-5 parts of 2-3 parts of accelerator and curing inhibitors.
2. the resistance to vulcanization TFT-LCD packaging silicon rubbers of a kind of high index of refraction according to claim 1, it is characterised in that it is prepared
Method comprises the following steps:
(1) by methyl phenyl vinyl polysiloxane, vinylite, the hydrogeneous diphenylpolysiloxane in chain extender end, polysiloxanes
A, polysiloxanes B are well mixed, and are heated the mixture to 45 DEG C and are carried out decentralized processing 15-25min;
(2) mixture after above-mentioned decentralized processing is heated to 55-60 DEG C, sequentially added while stirring containing cycloolefin structure
Nanometer diamond, curing accelerator and solidification suppression that organosilicon, platinum group catalyst, bonding agent, crosslinking agent, inhibitor, surface are modified
Preparation, is sufficiently mixed uniformly, and deaeration is then carried out under vacuum, obtains just glue;
(3) the just glue is subjected to curing process, obtains TFT-LCD packaging silicon rubbers, when being cooled to 45 DEG C, be put into point gum machine
Upper carry out dispensing, is maintained at 45 DEG C, then preheating more than 60min is dehumidified at a temperature of 150 DEG C, sealing in 3-4h after dehumidifying;
(4) 2-3h is toasted at a temperature of 70 DEG C after sealing processing, then by temperature bring up to 150 DEG C of baking 3-4h produce it is described
TFT-LCD packaging silicon rubbers.
3. the resistance to vulcanization TFT-LCD packaging silicon rubbers of a kind of high index of refraction according to claim 1, it is characterised in that:The first
Base phenyl vinyl polysiloxane molecular formula is (ViMe2SiO1/2) x (PhSiO3/2) y, wherein, the Me is methyl, and Vi is second
Alkenyl, Ph is phenyl, x:Y=1:4-5.
4. the resistance to vulcanization TFT-LCD packaging silicon rubbers of a kind of high index of refraction according to claim 1, it is characterised in that:It is described to hand over
Connection agent is the organic hydrogen polysiloxanes containing pendant hydrogen, and structural formula is:
5. the resistance to vulcanization TFT-LCD packaging silicon rubbers of a kind of high index of refraction according to claim 1, it is characterised in that:The platinum
Series catalysts are any one in the alcoholic solution, platinum-vinyl siloxane complex, platinum olefin complex of chloroplatinic acid, wherein
Platinum content is 3600-4500ppm.
6. the resistance to vulcanization TFT-LCD packaging silicon rubbers of a kind of high index of refraction according to claim 1, it is characterised in that:The table
The nanometer diamond that face is modified is prepared by following methods:White oil, silicone coupling agents and nanometer diamond are mixed, the silica
Alkane coupling agent and the mass ratio of nanometer diamond are 2:1, stirred at 60-80 DEG C, isolated solid content, in 120-150
DEG C, dry 60-120min under -0.1-0.99Mpa.
7. the resistance to vulcanization TFT-LCD packaging silicon rubbers of a kind of high index of refraction according to claim 1, it is characterised in that:It is described to contain
There is the structural formula of the organosilicon of cycloolefin structure as follows:
8. the resistance to vulcanization TFT-LCD packaging silicon rubbers of a kind of high index of refraction according to claim 1, it is characterised in that:It is described solid
Change the complex that accelerator is chloroplatinic acid and tetramethyl divinyl disiloxane, the curing inhibitors are acetenyl hexamethylene
Alcohol.
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CN105969301A (en) * | 2016-06-29 | 2016-09-28 | 上海康达化工新材料股份有限公司 | Organic silicone for high-power LED packaging and methods of preparing and using same |
CN106433551A (en) * | 2016-09-25 | 2017-02-22 | 肇庆皓明有机硅材料有限公司 | Thermal shock resistant high-refraction LED packaging glue composition and preparation method thereof |
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2017
- 2017-05-19 CN CN201710354592.0A patent/CN107286898A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102965069A (en) * | 2012-11-16 | 2013-03-13 | 烟台德邦先进硅材料有限公司 | Vulcanization-proof LED (light-emitting diode) packaging silica gel |
CN104710796A (en) * | 2015-03-16 | 2015-06-17 | 烟台德邦先进硅材料有限公司 | Organic silicon packaging silica gel composition for COB (chip on board) packaging and preparation method for composition |
CN105969301A (en) * | 2016-06-29 | 2016-09-28 | 上海康达化工新材料股份有限公司 | Organic silicone for high-power LED packaging and methods of preparing and using same |
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Application publication date: 20171024 |