CN104277761B - A kind of refrigerator inside sensor fluid sealant and preparation method thereof - Google Patents
A kind of refrigerator inside sensor fluid sealant and preparation method thereof Download PDFInfo
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- CN104277761B CN104277761B CN201410491761.1A CN201410491761A CN104277761B CN 104277761 B CN104277761 B CN 104277761B CN 201410491761 A CN201410491761 A CN 201410491761A CN 104277761 B CN104277761 B CN 104277761B
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Abstract
The present invention relates to sensor technical field, it discloses a kind of refrigerator inside sensor fluid sealant and preparation method thereof, described refrigerator inside sensor fluid sealant includes the raw material of following weight portion: Polymethyl methacrylate 90 110 parts, organic siliconresin 20 35 parts, white carbon black 37 parts, toluene di-isocyanate(TDI) 48 parts, containing hydrogen silicone oil plasticizer 38 parts, catalyst 15 parts, vulcanizing agent 35 parts, cross-linking agent 15 parts, 15 parts of firming agent.Having good bonding between inventive sensor fluid sealant and housing, humidity resistance is good, is easily formed, good springiness, and molecular structure stabilized is ageing-resistant, environment-protecting asepsis.
Description
Technical field
The present invention relates to sensor technical field, refer more particularly to a kind of refrigerator inside sensor fluid sealant and preparation thereof
Method.
Background technology
Sealing is that operation is built in the pass during sensor production, and the quality of sealing effectiveness directly influences the performance of sensor and refers to
Mark and long-time stability.Especially in today that the market competition is day by day fierce, product quality is exactly the life of enterprise, sensor
No exception.Carry out the seal operation of sensor, be one of important step improving sensor mass.Sensor production process
In encapsulant different, the sealing effectiveness played on a sensor is the most different, and the performance indications of sensor are also had difference
The impact of degree.Using irrational sealing technology to carry out sensor guard sealing, the sealing property of fluid sealant is very possible
Lost efficacy, the most probably affected the long-time stability of sensor.Want to ensure and improve the exclusion seal effect of sensor, choosing
Selecting the most excellent fluid sealant is one of key.If the sealing effectiveness of fluid sealant itself is bad, both make the sealing that employing is best
Technique is the most of no avail to the sealing property of sensor.For ensureing by the safety and reliability of seal sensor, to fluid sealant
Requirement harsher, it is desirable to be there is between the device of embedding and housing good bonding, the impact of wet and heat ageing resistant, cold-hot,
UV resistant long-term irradiation, good insulation preformance.
Summary of the invention
It is an object of the invention to provide a kind of refrigerator inside sensor fluid sealant and preparation method thereof, and have between housing
Good bonding, humidity resistance is good, is easily formed, good springiness.
For achieving the above object, the present invention is by the following technical solutions:
A kind of refrigerator inside sensor fluid sealant, including the raw material of following weight portion: Polymethyl methacrylate 90
110 parts, organic siliconresin 20 35 parts, white carbon black 37 parts, toluene di-isocyanate(TDI) 48 parts, containing hydrogen silicone oil
Plasticizer 38 parts, catalyst 15 parts, vulcanizing agent 35 parts, cross-linking agent 15 parts, 15 parts of firming agent.
Preferably, described refrigerator inside sensor fluid sealant includes the raw material of following weight portion: poly-methyl ethylene silicon
98 parts of oxygen alkane, organic siliconresin 24 parts, white carbon black 5.5 parts, toluene di-isocyanate(TDI) 6 parts, containing hydrogen silicone oil plasticizer 4
Part, catalyst 2 parts, vulcanizing agent 4 parts, cross-linking agent 2 parts, 3 parts of firming agent.
Preferably, described refrigerator inside sensor fluid sealant includes the raw material of following weight portion: poly-methyl ethylene silicon
105 parts of oxygen alkane, organic siliconresin 30 parts, white carbon black 6 parts, toluene di-isocyanate(TDI) 5 parts, containing hydrogen silicone oil plasticizer 5
Part, catalyst 3 parts, vulcanizing agent 35 parts, cross-linking agent 3.5 parts, 3 parts of firming agent.
Preferably, described refrigerator inside sensor fluid sealant includes the raw material of following weight portion: poly-methyl ethylene silicon
100 parts of oxygen alkane, organic siliconresin 28 parts, white carbon black 4.5 parts, toluene di-isocyanate(TDI) 4.5 parts, containing hydrogen silicone oil plasticising
Agent 3.5 parts, catalyst 2.5 parts, vulcanizing agent 4.5 parts, cross-linking agent 4 parts, 4 parts of firming agent.
Present invention also offers the preparation method of a kind of refrigerator inside sensor fluid sealant, comprise the following steps:
(1) based on described weight portion, described Polymethyl methacrylate and toluene di-isocyanate(TDI) are added reactor
In, it is stirred and heated to 70 75 DEG C, is incubated 2 2.5 hours, obtains solution A；
(2) based on described weight portion, by described organic siliconresin, white carbon black, containing hydrogen silicone oil plasticizer, catalyst, sulfur
Agent, cross-linking agent and firming agent mixing and stirring, be warming up to 50 60 DEG C, heats 2 2.5 hours, obtains B
Solution；
(3) solution A of step (1) gained is mixed homogeneously with the B solution of step (2) gained.
The present invention compared with prior art, has the advantage that between inventive sensor fluid sealant and housing have good gluing
Connecing property, humidity resistance is good, is easily formed, good springiness, molecular structure stabilized, ageing-resistant, environment-protecting asepsis.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is further described in detail.
Embodiment one:
A kind of refrigerator inside sensor fluid sealant, including the raw material of following weight portion: Polymethyl methacrylate 110
Part, organic siliconresin 35 parts, white carbon black 7 parts, toluene di-isocyanate(TDI) 8 parts, containing hydrogen silicone oil plasticizer 8 parts, catalysis
Agent 5 parts, vulcanizing agent 5 parts, cross-linking agent 5 parts, 5 parts of firming agent.
The preparation method of described refrigerator inside sensor fluid sealant comprises the following steps:
(1) based on described weight portion, described Polymethyl methacrylate and toluene di-isocyanate(TDI) are added reactor
In, it is stirred and heated to 75 DEG C, is incubated 2.5 hours, obtains solution A；
(2) based on described weight portion, by described organic siliconresin, white carbon black, containing hydrogen silicone oil plasticizer, catalyst, sulfur
Agent, cross-linking agent and firming agent mixing and stirring, be warming up to 60 DEG C, heats 2.5 hours, obtains B solution；
(3) solution A of step (1) gained is mixed homogeneously with the B solution of step (2) gained.
Embodiment two:
A kind of refrigerator inside sensor fluid sealant, including the raw material of following weight portion: Polymethyl methacrylate 90
Part, organic siliconresin 20 parts, white carbon black 3 parts, toluene di-isocyanate(TDI) 4 parts, containing hydrogen silicone oil plasticizer 3 parts, catalysis
Agent 1 part, vulcanizing agent 3 parts, cross-linking agent 1 part, 1 part of firming agent.
The preparation method of described refrigerator inside sensor fluid sealant comprises the following steps:
(1) based on described weight portion, described Polymethyl methacrylate and toluene di-isocyanate(TDI) are added reactor
In, it is stirred and heated to 70 DEG C, is incubated 2 hours, obtains solution A；
(2) based on described weight portion, by described organic siliconresin, white carbon black, containing hydrogen silicone oil plasticizer, catalyst, sulfur
Agent, cross-linking agent and firming agent mixing and stirring, be warming up to 50 DEG C, heats 2 hours, obtains B solution；
(3) solution A of step (1) gained is mixed homogeneously with the B solution of step (2) gained.
Embodiment three:
A kind of refrigerator inside sensor fluid sealant, including the raw material of following weight portion: Polymethyl methacrylate 98
Part, organic siliconresin 24 parts, white carbon black 5.5 parts, toluene di-isocyanate(TDI) 6 parts, containing hydrogen silicone oil plasticizer 4 parts, urge
Agent 2 parts, vulcanizing agent 4 parts, cross-linking agent 2 parts, 3 parts of firming agent.
The preparation method of described refrigerator inside sensor fluid sealant comprises the following steps:
(1) based on described weight portion, described Polymethyl methacrylate and toluene di-isocyanate(TDI) are added reactor
In, it is stirred and heated to 73 DEG C, is incubated 2.2 hours, obtains solution A；
(2) based on described weight portion, by described organic siliconresin, white carbon black, containing hydrogen silicone oil plasticizer, catalyst, sulfur
Agent, cross-linking agent and firming agent mixing and stirring, be warming up to 55 DEG C, heats 2.2 hours, obtains B solution；
(3) solution A of step (1) gained is mixed homogeneously with the B solution of step (2) gained.
Embodiment four:
A kind of refrigerator inside sensor fluid sealant, including the raw material of following weight portion: Polymethyl methacrylate 105
Part, organic siliconresin 30 parts, white carbon black 6 parts, toluene di-isocyanate(TDI) 5 parts, containing hydrogen silicone oil plasticizer 5 parts, catalysis
Agent 3 parts, vulcanizing agent 35 parts, cross-linking agent 3.5 parts, 3 parts of firming agent.
The preparation method of described refrigerator inside sensor fluid sealant comprises the following steps:
(1) based on described weight portion, described Polymethyl methacrylate and toluene di-isocyanate(TDI) are added reactor
In, it is stirred and heated to 74 DEG C, is incubated 2.4 hours, obtains solution A；
(2) based on described weight portion, by described organic siliconresin, white carbon black, containing hydrogen silicone oil plasticizer, catalyst, sulfur
Agent, cross-linking agent and firming agent mixing and stirring, be warming up to 58 DEG C, heats 2.4 hours, obtains B solution；
(3) solution A of step (1) gained is mixed homogeneously with the B solution of step (2) gained.
Embodiment five:
A kind of refrigerator inside sensor fluid sealant, including the raw material of following weight portion: Polymethyl methacrylate 100
Part, organic siliconresin 28 parts, white carbon black 4.5 parts, toluene di-isocyanate(TDI) 4.5 parts, containing hydrogen silicone oil plasticizer 3.5 parts,
Catalyst 2.5 parts, vulcanizing agent 4.5 parts, cross-linking agent 4 parts, 4 parts of firming agent.
The preparation method of described refrigerator inside sensor fluid sealant comprises the following steps:
(1) based on described weight portion, described Polymethyl methacrylate and toluene di-isocyanate(TDI) are added reactor
In, it is stirred and heated to 73 DEG C, is incubated 2.3 hours, obtains solution A；
(2) based on described weight portion, by described organic siliconresin, white carbon black, containing hydrogen silicone oil plasticizer, catalyst, sulfur
Agent, cross-linking agent and firming agent mixing and stirring, be warming up to 55 DEG C, heats 2.3 hours, obtains B solution；
(3) solution A of step (1) gained is mixed homogeneously with the B solution of step (2) gained.
It should be noted last that, above detailed description of the invention only in order to technical scheme to be described and unrestricted,
Although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, can
Technical scheme is modified or equivalent, without deviating from spirit and the model of technical solution of the present invention
Enclosing, it all should be contained in the middle of scope of the presently claimed invention.
Claims (5)
1. a refrigerator inside sensor fluid sealant, it is characterised in that include the raw material of following weight portion: poly-methyl
Vinylsiloxane 90 110 parts, organic siliconresin 20 35 parts, white carbon black 37 parts, toluene di-isocyanate(TDI) 4
8 parts, containing hydrogen silicone oil plasticizer 38 parts, catalyst 15 parts, vulcanizing agent 35 parts, cross-linking agent 15 parts,
15 parts of firming agent.
Refrigerator inside sensor fluid sealant the most according to claim 1, it is characterised in that include following weight
The raw material of part: Polymethyl methacrylate 98 parts, organic siliconresin 24 parts, white carbon black 5.5 parts, toluene diisocyanate
Acid esters 6 parts, containing hydrogen silicone oil plasticizer 4 parts, catalyst 2 parts, vulcanizing agent 4 parts, cross-linking agent 2 parts, firming agent 3
Part.
Refrigerator inside sensor fluid sealant the most according to claim 1, it is characterised in that include following weight
The raw material of part: Polymethyl methacrylate 105 parts, organic siliconresin 30 parts, white carbon black 6 parts, toluene diisocynate
Ester 5 parts, containing hydrogen silicone oil plasticizer 5 parts, catalyst 3 parts, vulcanizing agent 35 parts, cross-linking agent 3.5 parts, firming agent
3 parts.
Refrigerator inside sensor fluid sealant the most according to claim 1, it is characterised in that include following weight
The raw material of part: Polymethyl methacrylate 100 parts, organic siliconresin 28 parts, white carbon black 4.5 parts, toluene diisocyanate
Acid esters 4.5 parts, containing hydrogen silicone oil plasticizer 3.5 parts, catalyst 2.5 parts, vulcanizing agent 4.5 parts, cross-linking agent 4 parts, Gu
Agent 4 parts.
5. a preparation method for the refrigerator inside sensor fluid sealant that one of Claims 1-4 is described, its feature
Being, it comprises the following steps:
(1) based on described weight portion, described Polymethyl methacrylate and toluene di-isocyanate(TDI) are added reactor
In, it is stirred and heated to 70 75 DEG C, is incubated 2 2.5 hours, obtains solution A；
(2) based on described weight portion, by described organic siliconresin, white carbon black, containing hydrogen silicone oil plasticizer, catalyst, sulfur
Agent, cross-linking agent and firming agent mixing and stirring, be warming up to 50 60 DEG C, heats 2 2.5 hours, obtains B
Solution；
(3) solution A of step (1) gained is mixed homogeneously with the B solution of step (2) gained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410491761.1A CN104277761B (en) | 2014-09-23 | 2014-09-23 | A kind of refrigerator inside sensor fluid sealant and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410491761.1A CN104277761B (en) | 2014-09-23 | 2014-09-23 | A kind of refrigerator inside sensor fluid sealant and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104277761A CN104277761A (en) | 2015-01-14 |
| CN104277761B true CN104277761B (en) | 2016-08-17 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665622A (en) * | 2009-09-28 | 2010-03-10 | 陕西电力科学研究院 | Preparation method of single-component room-temperature vulcanized silicone rubber |
| CN103122149A (en) * | 2013-03-18 | 2013-05-29 | 株洲时代新材料科技股份有限公司 | Silicon rubber with high refractive index and high transparency for optical encapsulation and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6602551B2 (en) * | 2001-07-02 | 2003-08-05 | General Electric Company | Curable silicone adhesive compositions |
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2014
- 2014-09-23 CN CN201410491761.1A patent/CN104277761B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665622A (en) * | 2009-09-28 | 2010-03-10 | 陕西电力科学研究院 | Preparation method of single-component room-temperature vulcanized silicone rubber |
| CN103122149A (en) * | 2013-03-18 | 2013-05-29 | 株洲时代新材料科技股份有限公司 | Silicon rubber with high refractive index and high transparency for optical encapsulation and preparation method thereof |
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| CN104277761A (en) | 2015-01-14 |
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