CN106497508A - A kind of high anti-poisoning add-on type casting glue and preparation method thereof - Google Patents
A kind of high anti-poisoning add-on type casting glue and preparation method thereof Download PDFInfo
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- CN106497508A CN106497508A CN201610953358.5A CN201610953358A CN106497508A CN 106497508 A CN106497508 A CN 106497508A CN 201610953358 A CN201610953358 A CN 201610953358A CN 106497508 A CN106497508 A CN 106497508A
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- poisoning
- add
- casting glue
- type casting
- methylvinyl
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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
-
- 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
-
- 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
- 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
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of high anti-poisoning add-on type casting glue and preparation method thereof, wherein high anti-poisoning add-on type casting glue includes that two components of A and B, A groups are made up of the raw material of following mass percent：Methylvinyl-polysiloxane 20% ~ 40%, anti-denaturant 10% ~ 30%, methylhydrogenpolysi,oxane 5% ~ 30%, inorganic filler 20% ~ 60%, inorganic agent 0.01% ~ 1%, inhibitor 0.01% ~ 0.1%；B component is made up of the raw material of following mass percent：Methylvinyl-polysiloxane 20% ~ 40%, anti-denaturant 10% ~ 30%, inorganic filler 20% ~ 60%, inorganic agent 0.05% ~ 2%, catalyst 0.1% ~ 0.6%.High anti-poisoning add-on type embedding adhesiveness of the invention is little, good fluidity, without obvious not dry intoxicating phenomenon when in use, and completion of cure.
Description
Technical field
The present invention relates to chemical material preparation technique field, more particularly to a kind of high anti-poisoning add-on type casting glue and its
Preparation method.
Background technology
Existing casting glue has that viscosity is big, mobility is poor in use, the line of casting glue and welding assisted agent residuals
Road boards solder point, baton round cell-shell contact position are susceptible to the phenomenon for not doing poisoning, cause embedding adhesive curing not exclusively, Jin Erying
Ring bonding, the sealing property of electronic devices and components.
Content of the invention
For this purpose, the technical problem to be solved in the present invention is to overcome existing casting glue above shortcomings, and then provide one
Plant high anti-poisoning add-on type casting glue and preparation method thereof.
For achieving the above object, the present invention is employed the following technical solutions：
A kind of high anti-poisoning add-on type casting glue, it is characterised in that：Including two components of A and B,
Wherein A groups are made up of the raw material of following mass percent：
Methylvinyl-polysiloxane 20% ~ 40%
Anti- denaturant 10% ~ 30%
Methylhydrogenpolysi,oxane 5% ~ 30%
Inorganic filler 20% ~ 60%
Inorganic agent 0.01% ~ 1%
Inhibitor 0.01% ~ 0.1%
B component is made up of the raw material of following mass percent：
Methylvinyl-polysiloxane 20% ~ 40%
Anti- denaturant 10% ~ 30%
Inorganic filler 20% ~ 60%
Inorganic agent 0.05% ~ 2%
Catalyst 0.1% ~ 0.6%.
Preferably, in the methylhydrogenpolysi,oxane, hydrogen content is 0.01% ~ 1%；The weight of the methylhydrogenpolysi,oxane is equal
Molecular weight is 200 ~ 200000；The structural formula of the methylhydrogenpolysi,oxane is (R1)3SiO[R1R2SiO1/2]p[(R1)2SiO1/2]qSi(R1)3, wherein R1It is selected from-CH3、-CH2CH3Or-C6H5In any a kind, R2It is selected from-H ,-CH3, or-C6H5In any a kind,
P and q are the integer more than 0.
Preferably, the contents of ethylene in the methylvinyl-polysiloxane in component A and B component is 0.1% ~ 3%；
The weight average molecular weight of methylvinyl-polysiloxane is 500 ~ 200000；The structural formula of the methylvinyl-polysiloxane is：
CH2=CHSi(R4)2O[(R5)2SiO1/2]a(R4)2SiCH=CH2
Wherein R4And R5It is respectively selected from-CH3、-CH2CH3Or-C6H5In any a kind or at least two, a be integer more than 0.
Preferably, the structural formula of the anti-denaturant is R6(R7)2SiO[(R6)2SiO1/2]bSi(R7)2R6, wherein R6Choosing
From-CH3、-CH2CH3Or-C6H5In any a kind or at least two, R7It is selected from-CH=CH2、-CH2CH=CH2Or-CH2CH2CH=CH2
In any a kind or at least two, b be integer more than 0.
Preferably, 0.1 μm ~ 30 μm of the size scope of the inorganic filler.
Preferably, the inorganic filler is Titanium Dioxide, aluminium hydroxide, silicon dioxide, Calcium Carbonate, the one kind in aluminium oxide
Or at least two.
Preferably, the inhibitor is selected from divinyl tetramethyl disiloxane, acetylene Hexalin, diallyl formyl
Any a kind in amine, t etram-ethyltetravinylcyclotetrasiloxane, diallyl fumarate or at least 2 kinds of combination.
Preferably, the catalyst is platinum catalyst, and the platinum catalyst is the coordination thing or the chelate of platinum of platinum
Mixture with organopolysiloxane.
Preferably, the inorganic agent be hexamethyldisiloxane, MTMS, ethyl trimethoxy silane,
One kind in MTES, ethyl triethoxysilane or at least two.
A kind of preparation method of the high anti-poisoning add-on type casting glue described in any of the above-described, it is characterised in that：Will be high anti-
The component A and B component in mass ratio 1 of poisoning add-on type casting glue:1 mixing and stirring, is made after drained bubble under vacuo.
Beneficial effects of the present invention：
Add-on type embedding adhesiveness is little, good fluidity for the high anti-poisoning of the present invention, the wiring board bumps of glue and welding assisted agent residuals,
Baton round cell-shell is contacted, and without obvious not dry intoxicating phenomenon, completion of cure substantially increases dual composition addition type organic silicon potting adhesive
The suitability in assist side and ball cell-shell.
Specific embodiment
Embodiment one
A kind of high anti-poisoning add-on type casting glue, it is characterised in that：Including two components of A and B,
Wherein A groups are made up of the raw material of following mass percent：
Methylvinyl-polysiloxane 25.5
Anti- denaturant 10
Methylhydrogenpolysi,oxane 15
Inorganic filler 49
Inorganic agent 0.45
Inhibitor 0.05
B component：
Methylvinyl-polysiloxane 39.3
Anti- denaturant 10
Inorganic filler 50
Inorganic agent 0.5
Catalyst 0.2
By two components of above-mentioned A, B in mass ratio 1：1 mix homogeneously, under vacuo after drained bubble, product viscosity is little, mobility
Good, the wiring board with welding assisted agent residuals is poured into, after glue room temperature is fully cured and 24h is placed, glue is contacted with wiring board
Place is taken apart, invariably dry intoxicating phenomenon.
Wherein, in the methylhydrogenpolysi,oxane, hydrogen content is 0.01% ~ 1%；The methylhydrogenpolysi,oxane is divided equally again
Son amount is 200 ~ 200000；The structural formula of the methylhydrogenpolysi,oxane is (R1)3SiO[R1R2SiO1/2]p[(R1)2SiO1/2]qSi
(R1)3, wherein R1It is selected from-CH3、-CH2CH3Or-C6H5In any a kind, R2It is selected from-H ,-CH3, or-C6H5In any a kind, p and
Q is the integer more than 0.
The contents of ethylene in the methylvinyl-polysiloxane in component A and B component is 0.1% ~ 3%；Methyl second
The weight average molecular weight of thiazolinyl polysiloxanes is 500 ~ 200000；The structural formula of the methylvinyl-polysiloxane is：CH2=
CHSi(R4)2O[(R5)2SiO1/2]a(R4)2SiCH=CH2
Wherein R4And R5It is respectively selected from-CH3、-CH2CH3Or-C6H5In any a kind or at least two, a be integer more than 0.
The structural formula of the anti-denaturant is R6(R7)2SiO[(R6)2SiO1/2]bSi(R7)2R6, wherein R6It is selected from-CH3、-
CH2CH3Or-C6H5In any a kind or at least two, R7It is selected from-CH=CH2、-CH2CH=CH2Or-CH2CH2CH=CH2In any a kind
Or at least two, b are the integer more than 0.
0.1 μm ~ 30 μm of the size scope of the inorganic filler.The inorganic filler be Titanium Dioxide, aluminium hydroxide,
One kind in silicon dioxide, Calcium Carbonate, aluminium oxide or at least two.
The inhibitor is selected from divinyl tetramethyl disiloxane, acetylene Hexalin, diallyl formamide, tetramethyl
Any a kind in tetravinyl cyclotetrasiloxane, diallyl fumarate or at least 2 kinds of combination.
The catalyst is platinum catalyst, and the platinum catalyst is that the chelate of the coordination thing or platinum of platinum is poly- with organic
The mixture of siloxanes.
The inorganic agent is hexamethyldisiloxane, MTMS, ethyl trimethoxy silane, three second of methyl
One kind in TMOS, ethyl triethoxysilane or at least two.
Embodiment two
Two components of A and B in the high anti-poisoning add-on type casting glue of the present embodiment can also adopt following charge ratio：
Wherein A groups are made up of the raw material of following mass percent：
Methylvinyl-polysiloxane 40
Anti- denaturant 30
Methylhydrogenpolysi,oxane 30
Inorganic filler 60
Inorganic agent 1
Inhibitor 0.1
B component：
Methylvinyl-polysiloxane 40
Anti- denaturant 30
Inorganic filler 60
Inorganic agent 2
Catalyst 0.6
By two components of above-mentioned A, B in mass ratio 1：1 mix homogeneously, under vacuo after drained bubble, product viscosity is little, mobility
Good, the wiring board with welding assisted agent residuals is poured into, after glue room temperature is fully cured and 24h is placed, glue is contacted with wiring board
Place is taken apart, invariably dry intoxicating phenomenon.
Embodiment three
Two components of A and B in the high anti-poisoning add-on type casting glue of the present embodiment can also adopt following charge ratio：
Wherein A groups are made up of the raw material of following mass percent：
Methylvinyl-polysiloxane 20
Anti- denaturant 10
Methylhydrogenpolysi,oxane 5
Inorganic filler 20
Inorganic agent 0.01
Inhibitor 0.01
B component：
Methylvinyl-polysiloxane 20
Anti- denaturant 10
Inorganic filler 20
Inorganic agent 0.05
Catalyst 0.1
By two components of above-mentioned A, B in mass ratio 1：1 mix homogeneously, under vacuo after drained bubble, product viscosity is little, mobility
Good, the wiring board with welding assisted agent residuals is poured into, after glue room temperature is fully cured and 24h is placed, glue is contacted with wiring board
Place is taken apart, invariably dry intoxicating phenomenon.
Example IV
Two components of A and B in the high anti-poisoning add-on type casting glue of the present embodiment can also adopt following charge ratio：
Wherein A groups are made up of the raw material of following mass percent：
Methylvinyl-polysiloxane 30
Anti- denaturant 20
Methylhydrogenpolysi,oxane 25
Inorganic filler 40
Inorganic agent 0.6
Inhibitor 0.06
B component：
Methylvinyl-polysiloxane 30
Anti- denaturant 20
Inorganic filler 40
Inorganic agent 1
Catalyst 0.4
By two components of above-mentioned A, B in mass ratio 1：1 mix homogeneously, under vacuo after drained bubble, product viscosity is little, mobility
Good, the wiring board with welding assisted agent residuals is poured into, after glue room temperature is fully cured and 24h is placed, glue is contacted with wiring board
Place is taken apart, invariably dry intoxicating phenomenon.
Embodiment five
The present invention high anti-be poisoned add-on type casting glue preparation method be：By the component A of anti-for height poisoning add-on type casting glue and B
Component in mass ratio 1:1 mixing and stirring, can be made into after drained bubble, its preparation method very simple under vacuo.Make
Used time, only the high anti-add-on type casting glue of being poisoned for preparing need to be poured into wiring board with welding assisted agent residuals, treat that glue room temperature is complete
After all solidstate and place 24h.After the high anti-poisoning add-on type casting glue of the present invention is fully cured, glue is contacted with wiring board
Where take apart, it is possible to find dry intoxicating phenomenon invariably.And existing casting glue, under same testing conditions, contact scaling powder is residual
There is the liquid of flowing where staying（It is poisoned）.
Above-mentioned specific embodiment is simply explained in detail to technical scheme, the present invention not only only office
Be limited to above-described embodiment, it will be understood by those skilled in the art that every according to above-mentioned principle and spirit on the basis of the present invention
Improve, substitute, all should be within protection scope of the present invention.
Claims (10)
1. a kind of high anti-poisoning add-on type casting glue, it is characterised in that：Including two components of A and B,
Wherein A groups are made up of the raw material of following mass percent：
Methylvinyl-polysiloxane 20% ~ 40%
Anti- denaturant 10% ~ 30%
Methylhydrogenpolysi,oxane 5% ~ 30%
Inorganic filler 20% ~ 60%
Inorganic agent 0.01% ~ 1%
Inhibitor 0.01% ~ 0.1%
B component is made up of the raw material of following mass percent：
Methylvinyl-polysiloxane 20% ~ 40%
Anti- denaturant 10% ~ 30%
Inorganic filler 20% ~ 60%
Inorganic agent 0.05% ~ 2%
Catalyst 0.1% ~ 0.6%.
2. height according to claim 1 anti-poisoning add-on type casting glue, it is characterised in that：The methylhydrogenpolysi,oxane
In, hydrogen content is 0.01% ~ 1%；The weight average molecular weight of the methylhydrogenpolysi,oxane is 200 ~ 200000；The poly- silicon of the methyl hydrogen
The structural formula of oxygen alkane is (R1)3SiO[R1R2SiO1/2]p[(R1)2SiO1/2]qSi(R1)3, wherein R1It is selected from-CH3、-CH2CH3Or-
C6H5In any a kind, R2It is selected from-H ,-CH3, or-C6H5In any a kind, p and q is the integer more than 0.
3. height according to claim 1 anti-poisoning add-on type casting glue, it is characterised in that：Described in component A and B component
Contents of ethylene in methylvinyl-polysiloxane is 0.1% ~ 3%；The weight average molecular weight of methylvinyl-polysiloxane is 500
~200000；The structural formula of the methylvinyl-polysiloxane is： CH2=CHSi(R4)2O[(R5)2SiO1/2]a(R4)2SiCH=
CH2
Wherein R4And R5It is respectively selected from-CH3、-CH2CH3Or-C6H5In any a kind or at least two, a be integer more than 0.
4. height according to claim 1 anti-poisoning add-on type casting glue, it is characterised in that：The structural formula of the anti-denaturant
For R6(R7)2SiO[(R6)2SiO1/2]bSi(R7)2R6, wherein R6It is selected from-CH3、-CH2CH3Or-C6H5In any a kind or at least two
Kind, R7It is selected from-CH=CH2、-CH2CH=CH2Or-CH2CH2CH=CH2In any a kind or at least two, b be integer more than 0.
5. height according to claim 1 anti-poisoning add-on type casting glue, it is characterised in that：The particle diameter of the inorganic filler is big
0.1 μm ~ 30 μm of small range.
6. height according to claim 5 anti-poisoning add-on type casting glue, it is characterised in that：The inorganic filler is titanium dioxide
One kind in titanium, aluminium hydroxide, silicon dioxide, Calcium Carbonate, aluminium oxide or at least two.
7. height according to claim 1 anti-poisoning add-on type casting glue, it is characterised in that：The inhibitor is selected from divinyl
Base tetramethyl disiloxane, acetylene Hexalin, diallyl formamide, t etram-ethyltetravinylcyclotetrasiloxane, fumaric acid two
Any a kind in allyl ester or at least 2 kinds of combination.
8. height according to claim 1 anti-poisoning add-on type casting glue, it is characterised in that：The catalyst is catalyzed for platinum
Agent, mixture of the platinum catalyst for the chelate and organopolysiloxane of the coordination thing or platinum of platinum.
9. height according to claim 1 anti-poisoning add-on type casting glue, it is characterised in that：The inorganic agent is hexamethyl two
In silazane, MTMS, ethyl trimethoxy silane, MTES, ethyl triethoxysilane
One kind or at least two.
10. described in a kind of any one of claim 1-8 high anti-poisoning add-on type casting glue preparation method, it is characterised in that：
Component A and B component in mass ratio 1 by anti-for height poisoning add-on type casting glue:1 mixing and stirring, under vacuo after drained bubble
Make.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610953358.5A CN106497508A (en) | 2016-11-03 | 2016-11-03 | A kind of high anti-poisoning add-on type casting glue and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610953358.5A CN106497508A (en) | 2016-11-03 | 2016-11-03 | A kind of high anti-poisoning add-on type casting glue and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286861A (en) * | 2017-06-08 | 2017-10-24 | 仲恺农业工程学院 | Pouring sealant anti-poisoning agent and heat-conducting pouring sealant |
| CN111234771A (en) * | 2019-05-24 | 2020-06-05 | 深圳市鑫东邦科技有限公司 | Single-component addition type silicone gel and preparation method thereof |
| WO2025097279A1 (en) * | 2023-11-06 | 2025-05-15 | Dow Silicones Corporation | Silicone pottant composition, process and use thereof |
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| CN101824224A (en) * | 2010-04-15 | 2010-09-08 | 同济大学 | Preparation method of anti-poisoning silicon rubber |
| CN105038694A (en) * | 2015-08-12 | 2015-11-11 | 东莞兆舜有机硅科技股份有限公司 | A two-component addition type silicone adhesive potting glue and its application method |
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| CN101824224A (en) * | 2010-04-15 | 2010-09-08 | 同济大学 | Preparation method of anti-poisoning silicon rubber |
| CN105038694A (en) * | 2015-08-12 | 2015-11-11 | 东莞兆舜有机硅科技股份有限公司 | A two-component addition type silicone adhesive potting glue and its application method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286861A (en) * | 2017-06-08 | 2017-10-24 | 仲恺农业工程学院 | Pouring sealant anti-poisoning agent and heat-conducting pouring sealant |
| CN111234771A (en) * | 2019-05-24 | 2020-06-05 | 深圳市鑫东邦科技有限公司 | Single-component addition type silicone gel and preparation method thereof |
| WO2025097279A1 (en) * | 2023-11-06 | 2025-05-15 | Dow Silicones Corporation | Silicone pottant composition, process and use thereof |
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