CN107699194A - Fluid sealant of high transparency yellowing-resistant and preparation method thereof - Google Patents
Fluid sealant of high transparency yellowing-resistant and preparation method thereof Download PDFInfo
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- CN107699194A CN107699194A CN201711003746.8A CN201711003746A CN107699194A CN 107699194 A CN107699194 A CN 107699194A CN 201711003746 A CN201711003746 A CN 201711003746A CN 107699194 A CN107699194 A CN 107699194A
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- fluid sealant
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- high transparency
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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
- C09J201/00—Adhesives based on unspecified macromolecular compounds
- C09J201/02—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C09J201/06—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing oxygen atoms
-
- 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
- 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
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of fluid sealant of high transparency yellowing-resistant and preparation method thereof, the fluid sealant includes the raw material of following parts by weight：100 parts of trimethoxy end block resins, 150~200 parts of aerosils, 25~35 parts of plasticizer, 5~10 parts of vinyltrimethoxy silanes, 5~10 parts of light stabilizers, 1~5 part of amino silicane coupling agent.The present invention not only has high transparency using trimethoxy end block resins, aerosil, plasticizer, vinyltrimethoxy silane, light stabilizer, amino silicane coupling agent as fluid sealant made from raw material, and anti-yellowing can be good, cementability is extensive, is suitable for bathroom in house ornamentation, toilet seat and kitchen sink peripheral sealing.
Description
Technical field
The present invention relates to fluid sealant field, especially a kind of fluid sealant of high transparency yellowing-resistant and preparation method thereof.
Background technology
Fluid sealant is widely used in the industries such as building, automobile, electric, mechanical, chemical industry and life staying idle at home, and this is
Because it has excellent anti-weathering aging, UV stable, crushing resistance, shock resistance, moisture resistant, high-low temperature resistant, is disliking
The features such as elasticity can be kept in bad climatic environment, does not tear and is not cracked.It is continuously increased with the usage amount of fluid sealant, its is saturating
Luminosity equation, easy the shortcomings that turning yellow, are constantly exposed, and which greatly limits the extensive use of fluid sealant.
The content of the invention
In view of this, it is an object of the invention to provide a kind of fluid sealant of high transparency yellowing-resistant and preparation method thereof, it is made
Fluid sealant transparency it is high, and anti-yellowing can be good.
To achieve these goals, the invention provides following technical scheme：
A kind of fluid sealant of high transparency yellowing-resistant, include the raw material of following parts by weight：
Preferably, the plasticizer is phthalic acid ester, dioctyl adipate, epoxidized soybean oil or phthalic acid two
Isodecyl ester.
Preferably, the light stabilizer is 2,4-DihydroxyBenzophenone, ESCALOL 567,2-
(2 '-hydroxyl-the 3 '-tert-butyl group -5 '-aminomethyl phenyl) -5- chlorobenzotriazoles or decanedioic acid two (2,2,6- tetramethyl -4- piperidyls)
Ester.
Preferably, the amino silicane coupling agent is phenylaminomethyl triethoxysilane, γ-aminopropyl trimethoxy silicon
Alkane or gamma-aminopropyl-triethoxy-silane.
Present invention also offers a kind of above-mentioned preparation method of the fluid sealant of high transparency yellowing-resistant, comprise the following steps：
A) vinyltrimethoxy silane is divided into first part of vinyltrimethoxy silane and second part of vinyl front three
TMOS；
B) plasticizer, first part of vinyltrimethoxy silane are added into glue making machine, after stirring, normal temperature water removal；
Resin and aerosil are added, scattered stirring at normal temperature, obtains compound at a high speed；
C) light stabilizer and amino silicane coupling agent are added in the compound obtained to step b), is vacuumized after stirring
Second part of vinyltrimethoxy silane is added, vacuumizes after stirring, obtains the fluid sealant of high transparency yellowing-resistant.
Preferably, in step c), two vacuum degree controls for vacuumizing glue making machine in whipping process are in more than 0.09MPa.
Fluid sealant of a kind of high transparency yellowing-resistant provided by the invention and preparation method thereof, the fluid sealant includes following heavy
Measure the raw material of number：100 parts of trimethoxy end block resins, 150~200 parts of aerosils, 25~35 parts of plasticizer, 5~
10 parts of vinyltrimethoxy silanes, 5~10 parts of light stabilizers, 1~5 part of amino silicane coupling agent.The present invention is with trimethoxy
End block resins, aerosil, plasticizer, vinyltrimethoxy silane, light stabilizer, amino silicane coupling agent are raw material
Obtained fluid sealant not only has high transparency, and anti-yellowing can be good, and cementability is extensive, is suitable for defending in house ornamentation
Bath, toilet seat and kitchen sink peripheral sealing.
Embodiment
A kind of fluid sealant of high transparency yellowing-resistant provided by the invention, include the raw material of following parts by weight：
In above-mentioned technical proposal, with trimethoxy end block resins, aerosil, plasticizer, vinyl trimethoxy
Silane, light stabilizer, amino silicane coupling agent are that fluid sealant made from raw material not only has high transparency, and anti-yellowing
Can be good, cementability is extensive, is suitable for bathroom in house ornamentation, toilet seat and kitchen sink peripheral sealing.
Trimethoxy end block resins can improve the viscosity and intensity of silicone sealant.
Aerosil can strengthen the transparency and peel strength of fluid sealant.
Plasticizer is used for the modulus of elasticity of fluid sealant, improves extensibility.In an embodiment of the present invention, plasticizer is adjacent benzene
Dicarboxylic acid esters, dioctyl adipate, epoxidized soybean oil or diisooctyl phthalate.
Vinyltrimethoxy silane is used for the humidity resistance for improving fluid sealant.
Light stabilizer is used for the anti-yellowing energy for improving fluid sealant, extends the service life of fluid sealant；In the reality of the present invention
Apply in example, light stabilizer is 2,4-DihydroxyBenzophenone, ESCALOL 567,2- (2 '-hydroxyls -3 '-uncle
Butyl -5 '-aminomethyl phenyl) -5- chlorobenzotriazoles or decanedioic acid two (2,2,6- tetramethyl -4- piperidyls) ester.
Amino silicane coupling agent is used for the adhesion strength for improving fluid sealant.In an embodiment of the present invention, amino silane is even
It is phenylaminomethyl triethoxysilane, γ-aminopropyltrimethoxysilane or gamma-aminopropyl-triethoxy-silane to join agent.
Present invention also offers a kind of above-mentioned preparation method of the fluid sealant of high transparency yellowing-resistant, comprise the following steps：
A) vinyltrimethoxy silane is divided into first part of vinyltrimethoxy silane and second part of vinyl front three
TMOS；
B) plasticizer, first part of vinyltrimethoxy silane are added into glue making machine, after stirring, normal temperature water removal；
Resin and aerosil are added, scattered stirring at normal temperature, obtains compound at a high speed；
C) light stabilizer and amino silicane coupling agent are added in the compound obtained to step b), is vacuumized after stirring
Second part of vinyltrimethoxy silane is added, vacuumizes after stirring, obtains the fluid sealant of high transparency yellowing-resistant.
Here, trimethoxy end block resins, aerosil, plasticizer, vinyltrimethoxy silane, light are stable
Agent, amino silicane coupling agent are same as above, will not be repeated here.
In above-mentioned technical proposal, method is simple, and the silicone sealant being prepared not only has low density, and extrudes
It is functional, it can effectively reduce constructor's labor intensity.
In an embodiment of the present invention, in step c), two vacuum degree controls for vacuumizing glue making machine in whipping process exist
More than 0.09MPa.
In above-mentioned technical proposal, preparation method is simple, and obtained fluid sealant not only has high transparency, and
Anti-yellowing can be good, and cementability is extensive, is suitable for bathroom in house ornamentation, toilet seat and kitchen sink peripheral sealing.
In order to further illustrate the present invention, the fluid sealant with reference to embodiment to high transparency yellowing-resistant provided by the invention
And preparation method thereof be described in detail, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1
The fluid sealant of high transparency yellowing-resistant includes the raw material of following parts by weight：
100 parts of trimethoxy end block resins, 150 parts of aerosils, 35 parts of plasticizer, 8.5 parts of vinyl trimethoxies
Base silane, 6.5 parts of light stabilizers, 1 part of amino silicane coupling agent；
The preparation method of the high extrudability silicone sealant of low-density, comprises the following steps：
A) vinyltrimethoxy silane is divided into first part of vinyltrimethoxy silane and second part of vinyl front three
TMOS；
B) plasticizer, first part of vinyltrimethoxy silane are added into glue making machine, after stirring, normal temperature water removal；
Resin and aerosil are added, scattered stirring at normal temperature, obtains compound at a high speed；
C) light stabilizer and amino silicane coupling agent are added in the compound obtained to step b), is vacuumized after stirring
Second part of vinyltrimethoxy silane is added, vacuumizes after stirring, obtains the fluid sealant of high transparency yellowing-resistant；
Three more than vacuum degree control 0.09MPa for vacuumizing glue making machine in stirring.
Embodiment 2
The fluid sealant of high transparency yellowing-resistant includes the raw material of following parts by weight：
100 parts of trimethoxy end block resins, 160 parts of aerosils, 32 parts of plasticizer, 10 parts of vinyl trimethoxies
Silane, 5 parts of light stabilizers, 4 parts of amino silicane coupling agents；
The preparation method of the high extrudability silicone sealant of low-density, comprises the following steps：
A) vinyltrimethoxy silane is divided into first part of vinyltrimethoxy silane and second part of vinyl front three
TMOS；
B) plasticizer, first part of vinyltrimethoxy silane are added into glue making machine, after stirring, normal temperature water removal；
Resin and aerosil are added, scattered stirring at normal temperature, obtains compound at a high speed；
C) light stabilizer and amino silicane coupling agent are added in the compound obtained to step b), is vacuumized after stirring
Second part of vinyltrimethoxy silane is added, vacuumizes after stirring, obtains the fluid sealant of high transparency yellowing-resistant；
Three more than vacuum degree control 0.09MPa for vacuumizing glue making machine in stirring.
Embodiment 3
The fluid sealant of high transparency yellowing-resistant includes the raw material of following parts by weight：
100 parts of trimethoxy end block resins, 190 parts of aerosils, 28 parts of plasticizer, 5 parts of vinyl trimethoxies
Silane, 10 parts of light stabilizers, 2 parts of amino silicane coupling agents；
The preparation method of the high extrudability silicone sealant of low-density, comprises the following steps：
A) vinyltrimethoxy silane is divided into first part of vinyltrimethoxy silane and second part of vinyl front three
TMOS；
B) plasticizer, first part of vinyltrimethoxy silane are added into glue making machine, after stirring, normal temperature water removal；
Resin and aerosil are added, scattered stirring at normal temperature, obtains compound at a high speed；
C) light stabilizer and amino silicane coupling agent are added in the compound obtained to step b), is vacuumized after stirring
Second part of vinyltrimethoxy silane is added, vacuumizes after stirring, obtains the fluid sealant of high transparency yellowing-resistant；
Three more than vacuum degree control 0.09MPa for vacuumizing glue making machine in stirring.
Embodiment 4
The fluid sealant of high transparency yellowing-resistant includes the raw material of following parts by weight：
100 parts of trimethoxy end block resins, 200 parts of aerosils, 25 parts of plasticizer, 6.5 parts of vinyl trimethoxies
Base silane, 8.5 parts of light stabilizers, 5 parts of amino silicane coupling agents；
The preparation method of the high extrudability silicone sealant of low-density, comprises the following steps：
A) vinyltrimethoxy silane is divided into first part of vinyltrimethoxy silane and second part of vinyl front three
TMOS；
B) plasticizer, first part of vinyltrimethoxy silane are added into glue making machine, after stirring, normal temperature water removal；
Resin and aerosil are added, scattered stirring at normal temperature, obtains compound at a high speed；
C) light stabilizer and amino silicane coupling agent are added in the compound obtained to step b), is vacuumized after stirring
Second part of vinyltrimethoxy silane is added, vacuumizes after stirring, obtains the fluid sealant of high transparency yellowing-resistant；
Three more than vacuum degree control 0.09MPa for vacuumizing glue making machine in stirring.
Embodiment 5
The fluid sealant of high transparency yellowing-resistant includes the raw material of following parts by weight：
100 parts of trimethoxy end block resins, 175 parts of aerosils, 30 parts of plasticizer, 7.5 parts of vinyl trimethoxies
Base silane, 7.5 parts of light stabilizers, 3 parts of amino silicane coupling agents；
The preparation method of the high extrudability silicone sealant of low-density, comprises the following steps：
A) vinyltrimethoxy silane is divided into first part of vinyltrimethoxy silane and second part of vinyl front three
TMOS；
B) plasticizer, first part of vinyltrimethoxy silane are added into glue making machine, after stirring, normal temperature water removal；
Resin and aerosil are added, scattered stirring at normal temperature, obtains compound at a high speed；
C) light stabilizer and amino silicane coupling agent are added in the compound obtained to step b), is vacuumized after stirring
Second part of vinyltrimethoxy silane is added, vacuumizes after stirring, obtains the fluid sealant of high transparency yellowing-resistant；
Three more than vacuum degree control 0.09MPa for vacuumizing glue making machine in stirring.
The test of transparency, resistance to flavescence grade, knot are carried out to the fluid sealant of high transparency yellowing-resistant made from embodiment 1~5
Fruit is shown in Table 1.
Wherein resistance to flavescence test condition：From power 300W, voltage 220V bulb, bulb ultraviolet optical wavelength exists
280~400mm, uitraviolet intensity are in 25 ± 0.4W/m2, bulb must do not changed using 100h, and pallet rotating speed is in 3 ± 1r/
Min, temperature is at 50 ± 2 DEG C, and distance is in 250 ± 2mm, testing time 1500h, observation discoloration.
The test result of the embodiment 1~5 of table 1
| Transparency (%) | Resistance to flavescence grade | |
| Embodiment 1 | 99.23 | 5 |
| Embodiment 2 | 99.12 | 5 |
| Embodiment 3 | 99.18 | 5 |
| Embodiment 4 | 99.28 | 5 |
| Embodiment 5 | 99.21 | 5 |
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using this to institute's public affairs
The described above for the embodiment opened, professional and technical personnel in the field are enable to realize or using the present invention.To these embodiments
A variety of modifications will be apparent for those skilled in the art, and generic principles defined herein can be
In the case of not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to
The embodiments shown herein, and it is to fit to the most wide model consistent with principles disclosed herein and novel features
Enclose.
Claims (6)
1. a kind of fluid sealant of high transparency yellowing-resistant, it is characterised in that include the raw material of following parts by weight：
2. fluid sealant as claimed in claim 1, it is characterised in that the plasticizer is phthalic acid ester, adipic acid two is pungent
Ester, epoxidized soybean oil or diisooctyl phthalate.
3. fluid sealant as claimed in claim 1, it is characterised in that the light stabilizer is 2,4-DihydroxyBenzophenone, 2-
Hydroxyl -4- methoxy benzophenones, 2- (2 '-hydroxyl-the 3 '-tert-butyl group -5 '-aminomethyl phenyl) -5- chlorobenzotriazoles or decanedioic acid
Two (2,2,6- tetramethyl -4- piperidyls) esters.
4. fluid sealant as claimed in claim 1, it is characterised in that the amino silicane coupling agent is the ethoxy of phenylaminomethyl three
Base silane, γ-aminopropyltrimethoxysilane or gamma-aminopropyl-triethoxy-silane.
5. a kind of preparation method of the fluid sealant of high transparency yellowing-resistant as described in any one of Claims 1 to 4, its feature exist
In comprising the following steps：
A) vinyltrimethoxy silane is divided into first part of vinyltrimethoxy silane and second part of vinyl trimethoxy
Silane；
B) plasticizer, first part of vinyltrimethoxy silane are added into glue making machine, after stirring, normal temperature water removal；Again plus
Enter resin and aerosil, scattered stirring at normal temperature, obtains compound at a high speed；
C) light stabilizer and amino silicane coupling agent are added in the compound obtained to step b), vacuumizes and is stirring evenly and then adding into
Second part of vinyltrimethoxy silane, is vacuumized after stirring, and obtains the fluid sealant of high transparency yellowing-resistant.
6. preparation method as claimed in claim 5, it is characterised in that in step c), two vacuumize glue in whipping process
The vacuum degree control of machine is in more than 0.09MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711003746.8A CN107699194A (en) | 2017-10-24 | 2017-10-24 | Fluid sealant of high transparency yellowing-resistant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711003746.8A CN107699194A (en) | 2017-10-24 | 2017-10-24 | Fluid sealant of high transparency yellowing-resistant and preparation method thereof |
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| CN107699194A true CN107699194A (en) | 2018-02-16 |
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| CN201711003746.8A Pending CN107699194A (en) | 2017-10-24 | 2017-10-24 | Fluid sealant of high transparency yellowing-resistant and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118546652A (en) * | 2024-05-16 | 2024-08-27 | 深圳先进电子材料国际创新研究院 | Single-component organic silica gel adhesive composition and organic silica gel adhesive prepared from same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408868A (en) * | 2010-09-20 | 2012-04-11 | 广州市回天精细化工有限公司 | Fast deep cured single-component dealcoholization type organic silicon casting glue and preparation method |
| CN103436216A (en) * | 2013-09-05 | 2013-12-11 | 江苏天辰硅材料有限公司 | Dealcoholized organosilicone sealant with low modulus and high elongation percentage and preparation method thereof |
| CN106398224A (en) * | 2016-10-27 | 2017-02-15 | 湖北环宇化工有限公司 | Preparation method of transparent dealcoholized vulcanizing silicone rubber by quickly curing single components at room temperature |
-
2017
- 2017-10-24 CN CN201711003746.8A patent/CN107699194A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408868A (en) * | 2010-09-20 | 2012-04-11 | 广州市回天精细化工有限公司 | Fast deep cured single-component dealcoholization type organic silicon casting glue and preparation method |
| CN103436216A (en) * | 2013-09-05 | 2013-12-11 | 江苏天辰硅材料有限公司 | Dealcoholized organosilicone sealant with low modulus and high elongation percentage and preparation method thereof |
| CN106398224A (en) * | 2016-10-27 | 2017-02-15 | 湖北环宇化工有限公司 | Preparation method of transparent dealcoholized vulcanizing silicone rubber by quickly curing single components at room temperature |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118546652A (en) * | 2024-05-16 | 2024-08-27 | 深圳先进电子材料国际创新研究院 | Single-component organic silica gel adhesive composition and organic silica gel adhesive prepared from same |
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