CN109694686A - Single-component silicone fluid sealant and preparation method thereof - Google Patents
Single-component silicone fluid sealant and preparation method thereof Download PDFInfo
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- CN109694686A CN109694686A CN201811615041.6A CN201811615041A CN109694686A CN 109694686 A CN109694686 A CN 109694686A CN 201811615041 A CN201811615041 A CN 201811615041A CN 109694686 A CN109694686 A CN 109694686A
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses the single-component silicone fluid sealants and preparation method thereof that a kind of curing rate is fast and storage stability is high.The single-component silicone fluid sealant includes 100 parts of polysiloxanediol, 50~150 parts of inorganic filler, 8~18 parts of silane multiple crosslinking agent, 1~5 part of silane composite coupler, 1~5 part of curing accelerator and 0.05~0.5 part of catalyst.One-component silicone sealant curing rate early period is fast, can form the adhesive tape with some strength in a short time, and stores process and stablize, and will not thicken；Good mechanical performance after solidification, can be by 20 grades as defined in 20E JC/T 881.The one-component silicone sealant can have good caking property with most of matrix, can be widely used for house ornamentation door and window market.
Description
Technical field
The present invention relates to chemical fields, more particularly, to a kind of single-component silicone fluid sealant and preparation method thereof.
Background technique
In recent years, the production method of whole unit piece widely uses in house ornamentation door and window market, and the dedicated silicone sealant of door and window is made
For the important component of unit piece, early period, curing rate will directly affect the production efficiency of the products such as door and window.However, according to
Door and window Market Feedback shows, door and window silicone sealant curing rate on the market is generally partially slow at present, especially autumn and winter more
Add obviously, the shipment period for substantially extending door and window finished product or even some manufacturers are in order to pursue shipment speed, in sealant
It is also uncured to some strength when, door and window semi-finished product are subjected to the operation such as mobile, " turn-over " by force, cause door and window occur displacement,
Deformation, seriously affects the quality of product.Therefore, develop that a kind of curing rate early period is fast, door and window silicon special of high comprehensive performance
Ketone seal gum is just at the urgent need in market.
Silicone sealant will realize that early period curing rate is fast, most directly effective method be exactly improve auxiliary agent entirety it is living
Property.But auxiliary agent activity is improved simply and will cause Storage period shortening, the thickening of sealant, or even is occurred cured in glue bottle
Situation.Patent CN108059944 A discloses a kind of preparation method of rapid curing bi-component silicone sealant, but for door and window
For market, single-component silicone fluid sealant is easy to operate, low for equipment requirements, and applicability is stronger.
Summary of the invention
Based on this, it is necessary to provide a kind of curing rate is fast and storage stability is high single-component silicone fluid sealant and its
Preparation method.
A kind of single-component silicone fluid sealant, each component including following parts by weight:
Wherein, the structural formula of the polysiloxanediol be for
N is integer and n satisfaction makes viscosity 8Pa.s~200Pa.s of the polysiloxanediol at 25 DEG C.
The inorganic filler is selected from nm-class active calcium carbonate, powdered whiting and gas phase in one of the embodiments,
At least one of white carbon black.
The silane multiple crosslinking agent is selected from vinyl tributyl ketoximyl silane, four butanone in one of the embodiments,
Oximino silane, phenyl tributanoximo silane, four (methylisobutylketone oximido) silane, vinyl three (methylisobutylketone oximido) silicon
Alkane, vinyl tri acetylacetonate oximino silane, methyl tributanoximo silane, propyl tributanoximo silane, three (methyl tert-butyl of methyl
Ketoxime base) at least one of silane and methyl tri acetylacetonate oximino silane.
The silane multiple crosslinking agent includes at least two different components in one of the embodiments,.
The silane composite coupler is selected from r-chloropropyl trimethoxyl silane, chloropropyl three in one of the embodiments,
Ethoxysilane, γ-aminopropyltrimethoxysilane, gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ-aminopropyl front three
Oxysilane, N- β aminoethyl gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ-aminopropyltriethoxy dimethoxysilane, N-
β aminoethyl γ-aminopropyltriethoxy diethoxy silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-glycidol
Ether oxygen propyl triethoxysilane, γ-glycidyl ether oxygen propyl methyl dimethoxysilane, γ-glycidyl ether oxygen propyl
Methyldiethoxysilane, epoxycyclohexyl trimethoxy silane, epoxycyclohexyl triethoxysilane, mercapto propyl trimethoxy
Silane, mercaptopropyltriethoxysilane, isocyanate group propyl trimethoxy silicane and isocyanate group propyl triethoxy
At least two in silane.
The curing accelerator is selected from methyl triacetoxysilane, vinyl triacetyl in one of the embodiments,
Oxysilane, ethyltriacetoxysilane, propyl triacetoxysilane, phenyl triacetoxysilane, (the 2- second of methyl three
Base hexylyloxy) at least one of silane and methyl three (benzoyloxy group) silane.
The catalyst is selected from dibutyl tin dilaurate, dibutyltin diacetate, February in one of the embodiments,
Cinnamic acid dioctyl tin, two (dodecyl sulphur) dibutyl tins, stannous octoate, two fourth acetylacetone,2,4-pentanedione tin, two neodecanoic acid stannous methides
And at least one of dibutyl tin bis- (beta-diketo-esters).
The single-component silicone fluid sealant includes each component of following parts by weight in one of the embodiments:
Above-mentioned one-component silicone sealant curing rate early period is fast, can form the glue with some strength in a short time
Item, and store process and stablize, it will not thicken；Good mechanical performance after solidification, can be by 20 grades as defined in JC/T881.
The one-component silicone sealant and most of matrix have good caking property, can be widely used for house ornamentation door and window market.
A kind of preparation method of single-component silicone fluid sealant described in any of the above-described embodiment, includes the following steps:
Polysiloxanediol is dehydrated in negative pressure of vacuum environment with inorganic filler and is blended, base-material is made；
By the base-material and silane multiple crosslinking agent, silane composite coupler, curing accelerator and catalyst in vacuum
It is stirred to react in subnormal ambient, obtains the single-component silicone fluid sealant.
It is in 50 DEG C~150 DEG C of vacuum that dehydration, which is blended, in be set forth in negative pressure of vacuum environment in one of the embodiments,
30min~300min is blended in dehydration in subnormal ambient；
Be stirred to react in be set forth in negative pressure of vacuum environment is at room temperature, under conditions of revolving speed is 10rpm~800rpm
React 30min~180min.
The preparation method principle of the one-component silicone sealant is simple, it is easy to accomplish, it can be widely used to promote.
Specific embodiment
It to facilitate the understanding of the present invention, below will be to invention is more fully described.But the present invention can be to be permitted
Mostly different form is realized, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes
It is more thorough and comprehensive to the understanding of the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
The present invention provides a kind of single-component silicone fluid sealants comprising each component of following parts by weight:
Wherein, the structural formula of polysiloxanediol be forn
For integer and n satisfaction makes viscosity 8Pa.s~200Pa.s of the polysiloxanediol at 25 DEG C.The single-component silicone fluid sealant
In polysiloxanediol can be a kind of n value specifically substance, be also possible to the mixing of a variety of different materials of different n values
Object.
In a specific example, inorganic filler is selected from nm-class active calcium carbonate, powdered whiting and gas-phase silica
At least one of.
In a specific example, silane multiple crosslinking agent is selected from vinyl tributyl ketoximyl silane, four butanone oximido silicon
Alkane, phenyl tributanoximo silane, four (methylisobutylketone oximido) silane, vinyl three (methylisobutylketone oximido) silane, second
Alkenyl tri acetylacetonate oximino silane, methyl tributanoximo silane, propyl tributanoximo silane, (the methyl tert-butyl ketoxime of methyl three
Base) at least one of silane and methyl tri acetylacetonate oximino silane.Preferably, silane multiple crosslinking agent does not include at least two not
Same component, as can be any two kinds in above-mentioned silane multiple crosslinking agent set, any three kinds or any three kinds or more
The combination of component.
In a specific example, silane composite coupler is selected from r-chloropropyl trimethoxyl silane, chloropropyl triethoxy
Silane, γ-aminopropyltrimethoxysilane, gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ-aminopropyl trimethoxy silicon
Alkane, N- β aminoethyl gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ-aminopropyltriethoxy dimethoxysilane, N- β ammonia second
Base γ-aminopropyltriethoxy diethoxy silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-glycidyl ether oxygen third
Ethyl triethoxy silicane alkane, γ-glycidyl ether oxygen propyl methyl dimethoxysilane, γ-glycidyl ether oxygen propyl methyl two
Ethoxysilane, epoxycyclohexyl trimethoxy silane, epoxycyclohexyl triethoxysilane, mercaptopropyl trimethoxysilane,
In mercaptopropyltriethoxysilane, isocyanate group propyl trimethoxy silicane and isocyanate group propyl-triethoxysilicane
At least two.
In a specific example, curing accelerator is selected from methyl triacetoxysilane, vinyl triacetoxy silicon
Alkane, ethyltriacetoxysilane, propyl triacetoxysilane, phenyl triacetoxysilane, (the 2- ethyl hexanoyl of methyl three
Oxygroup) at least one of silane and methyl three (benzoyloxy group) silane.By using curing accelerator, can promote when in use
Into the curing rate of silicone sealant.
In a specific example, catalyst is selected from dibutyl tin dilaurate, dibutyltin diacetate, tin dilaurate two
Tin octylate, two (dodecyl sulphur) dibutyl tins, stannous octoate, two fourth acetylacetone,2,4-pentanedione tin, two neodecanoic acid stannous methides and two fourths
At least one of base tin bis- (beta-diketo-esters).
In a specific example, above-mentioned single-component silicone fluid sealant includes each component of following parts by weight:
More specifically, wherein silane multiple crosslinking agent (one pack system or various ingredients are whole) independently can be 12 parts, 13
Part, 14 parts or 15 parts；Silane composite coupler (various ingredients are whole) independently can be 3 parts, 3.5 parts or 4 parts；Solidification promotes
Agent independently can be 2 parts, 3 parts or 4 parts；Catalyst independently can be 0.2 part, 0.3 part, 0.4 part or 0.5 part.
One-component silicone sealant curing rate early period is fast, can form the adhesive tape with some strength in a short time,
And it stores process to stablize, will not thicken；Good mechanical performance after solidification, can be by 20 grades as defined in 20E JC/T881.
The one-component silicone sealant can have good caking property with most of matrix, can be widely used for house ornamentation door and window market.
The present invention further additionally provides a kind of preparation method of above-mentioned single-component silicone fluid sealant comprising following step
It is rapid:
Polysiloxanediol is dehydrated in negative pressure of vacuum environment with inorganic filler and is blended, base-material is made；
By base-material and silane multiple crosslinking agent, silane composite coupler, curing accelerator and catalyst in negative pressure of vacuum
It is stirred to react in environment, obtains single-component silicone fluid sealant.
It is negative in 50 DEG C~150 DEG C of vacuum that dehydration, which is blended, in a specific example, in be set forth in negative pressure of vacuum environment
30min~300min is blended in dehydration in pressure ring border；Be stirred to react in negative pressure of vacuum environment is at room temperature, to be in revolving speed
30min~180min is reacted under conditions of 10rpm~800rpm.
The negative pressure of vacuum environment can be but not limited to -0.06MPa~-0.10MPa environment.
More specifically, the dehydration blending can be carries out in kneader；It is described when being stirred to react in planet machine or height
It is carried out in degree dispersator.
The preparation method principle of the one-component silicone sealant is simple, it is easy to accomplish, it can be widely used to promote.
One-component silicone sealant of the invention and preparation method thereof is carried out below in conjunction with specific embodiment and comparative example
Further details of explanation.
Embodiment 1
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), four butanone oximino silanes 12
Part, 3 parts of gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ -2 parts of aminopropyltriethoxy dimethoxysilane, methyl triacetyl
1 part of oxysilane and 0.2 part of dibutyltin diacetate are added into double-planet equipment, vacuum degree is -0.09MPa, revolving speed is
Chemical reaction 90min is carried out under conditions of 300rpm.Product performance index is shown in Table 1.
Embodiment 2
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), four butanone oximino silanes 8
Part, 4 parts of vinyl three (methylisobutylketone oximido) silane, 3 parts of gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ-ammonia third
2 parts of ylmethyl dimethoxysilane, 1 part of methyl triacetoxysilane and 0.2 part of dibutyltin diacetate are added to double-planet
In equipment, chemical reaction 90min is carried out under conditions of vacuum degree is -0.09MPa, revolving speed is 300rpm.Product performance index
It is shown in Table 1.
Embodiment 3
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), vinyl tributanoximos
10 parts of silane, 5 parts of phenyl tributanoximo silane, 1.5 parts of gamma-aminopropyl-triethoxy-silane, epoxycyclohexyl trimethoxy
1.5 parts of silane, 3 parts of vinyltriacetoxy silane and 0.3 part of dibutyltin diacetate are added into double-planet equipment,
Chemical reaction 90min is carried out under conditions of vacuum degree is 0.09MPa, revolving speed is 300rpm.Product performance index is shown in Table 1.
Embodiment 4
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), four (methyl tert-butyl ketoximes
Base) 6 parts of silane, 6 parts of methyl tributanoximo silane, 3 parts of γ-aminopropyltrimethoxysilane, mercaptopropyl trimethoxysilane 1
Part, 4 parts of phenyl triacetoxysilane and 0.4 part of dibutyl tin dilaurate are added into double-planet equipment, in vacuum degree
Chemical reaction 90min is carried out under conditions of being 300rpm for 0.09MPa, revolving speed.Product performance index is shown in Table 1.
Embodiment 5
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), vinyl tri acetylacetonate oximidos
7 parts of silane, 8 parts of methyl three (methylisobutylketone oximido) silane, 2 parts of N- β aminoethyl γ-aminopropyltrimethoxysilane, γ-contracting
2 parts of water glycerol ether oxygen propyl trimethoxy silicane, 2 parts of ethyltriacetoxysilane and 0.5 part of tin dilaurate dioctyl tin
It is added into double-planet equipment, chemical reaction 90min is carried out under conditions of vacuum degree is 0.09MPa, revolving speed is 300rpm.It produces
Product performance indicator is shown in Table 1.
Comparative example 1
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), four butanone oximino silanes 12
Part, 3 parts of gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ -2 parts of aminopropyltriethoxy dimethoxysilane, two acetic acid, two fourth
0.2 part of base tin is added into double-planet equipment, and it is anti-that chemistry is carried out under conditions of vacuum degree is -0.09MPa, revolving speed is 300rpm
Answer 90min.Product performance index is shown in Table 1.
Comparative example 2
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), four butanone oximino silanes 8
Part, 4 parts of vinyl three (methylisobutylketone oximido) silane, 3 parts of gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ-ammonia third
2 parts of ylmethyl dimethoxysilane and 0.2 part of dibutyltin diacetate are added into double-planet equipment, be in vacuum degree-
0.09MPa, revolving speed carry out chemical reaction 90min under conditions of being 300rpm.Product performance index is shown in Table 1.
Comparative example 3
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), four butanone oximino silanes 8
Part, 4 parts of vinyl three (methylisobutylketone oximido) silane, 5 parts of gamma-aminopropyl-triethoxy-silane, methyl triacetoxyl group silicon
1 part of alkane and 0.2 part of dibutyltin diacetate addition are -0.09MPa, revolving speed 300rpm in vacuum degree into double-planet equipment
Under conditions of carry out chemical reaction 90min.Product performance index is shown in Table 1.
Comparative example 4
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), four butanone oximino silanes 8
Part, 4 parts of vinyl three (methylisobutylketone oximido) silane, 3 parts of gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ-ammonia third
2 parts of ylmethyl dimethoxysilane, 0.5 part of methyl triacetoxysilane and 0.2 part of dibutyltin diacetate are added to duplicate rows
In star equipment, chemical reaction 90min is carried out under conditions of vacuum degree is -0.09MPa, revolving speed is 300rpm.Properties of product refer to
Mark is shown in Table 1.
Comparative example 5
By base-material 200 parts of (containing 100 parts of polysiloxanediols and 100 parts of inorganic filler), four butanone oximino silanes 8
Part, 4 parts of vinyl three (methylisobutylketone oximido) silane, 3 parts of gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ-ammonia third
2 parts of ylmethyl dimethoxysilane, 8 parts of methyl triacetoxysilane and 0.2 part of dibutyltin diacetate are added to double-planet
In equipment, chemical reaction 90min is carried out under conditions of vacuum degree is -0.09MPa, revolving speed is 300rpm.Product performance index
It is shown in Table 1.
The performance comparison of each embodiment and comparative example of table 1
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of single-component silicone fluid sealant, which is characterized in that each component including following parts by weight:
Wherein, the structural formula of the polysiloxanediol be forn
For integer and n satisfaction makes viscosity 8Pa.s~200Pa.s of the polysiloxanediol at 25 DEG C.
2. single-component silicone fluid sealant as described in claim 1, which is characterized in that the inorganic filler is selected from nano active carbon
At least one of sour calcium, powdered whiting and gas-phase silica.
3. single-component silicone fluid sealant as described in claim 1, which is characterized in that the silane multiple crosslinking agent is selected from ethylene
Base tributanoximo silane, four butanone oximino silanes, phenyl tributanoximo silane, four (methylisobutylketone oximido) silane, second
Alkenyl three (methylisobutylketone oximido) silane, vinyl tri acetylacetonate oximino silane, methyl tributanoximo silane, three butanone of propyl
At least one of oximino silane, (methylisobutylketone oximido) silane of methyl three and methyl tri acetylacetonate oximino silane.
4. single-component silicone fluid sealant as claimed in claim 3, which is characterized in that the silane multiple crosslinking agent includes at least
Two different components.
5. single-component silicone fluid sealant as described in claim 1, which is characterized in that the silane composite coupler is selected from chlorine third
Base trimethoxy silane, chloropropyl triethoxysilane, γ-aminopropyltrimethoxysilane, gamma-aminopropyl-triethoxy silicon
Alkane, N- β aminoethyl γ-aminopropyltrimethoxysilane, N- β aminoethyl gamma-aminopropyl-triethoxy-silane, N- β aminoethyl γ-
Aminopropyltriethoxy dimethoxysilane, N- β aminoethyl γ-aminopropyltriethoxy diethoxy silane, γ-glycidyl ether oxygen propyl
Trimethoxy silane, γ-glycidoxypropyltrietandysilane andysilane, γ-glycidyl ether oxygen propyl methyl dimethoxy oxygroup
Silane, γ-glycidyl ether oxygen propyl methyldiethoxysilane, epoxycyclohexyl trimethoxy silane, epoxycyclohexyl three
Ethoxysilane, mercaptopropyl trimethoxysilane, mercaptopropyltriethoxysilane, isocyanate group propyl trimethoxy silicane with
And at least two in isocyanate group propyl-triethoxysilicane.
6. single-component silicone fluid sealant as described in claim 1, which is characterized in that the curing accelerator is selected from three second of methyl
Acyloxy silane, vinyltriacetoxy silane, ethyltriacetoxysilane, propyl triacetoxysilane, phenyl three
At least one of acetoxylsilane, (the 2- ethyl hexanoyl oxygroup) silane of methyl three and methyl three (benzoyloxy group) silane.
7. single-component silicone fluid sealant as described in claim 1, which is characterized in that the catalyst is selected from two fourth of tin dilaurate
Ji Xi, dibutyltin diacetate, tin dilaurate dioctyl tin, two (dodecyl sulphur) dibutyl tins, stannous octoate, two fourth acetyl
At least one of acetone tin, two neodecanoic acid stannous methides and dibutyl tin bis- (beta-diketo-esters).
8. such as single-component silicone fluid sealant according to any one of claims 1 to 7, which is characterized in that including following parts by weight
Several each components:
9. a kind of preparation method of such as single-component silicone fluid sealant according to any one of claims 1 to 8, which is characterized in that
Include the following steps:
Polysiloxanediol is dehydrated in negative pressure of vacuum environment with inorganic filler and is blended, base-material is made；
By the base-material and silane multiple crosslinking agent, silane composite coupler, curing accelerator and catalyst in negative pressure of vacuum
It is stirred to react in environment, obtains the single-component silicone fluid sealant.
10. the preparation method of single-component silicone fluid sealant as claimed in claim 9, which is characterized in that be set forth in negative pressure of vacuum
It is that 30min~300min is blended in dehydration in 50 DEG C~150 DEG C of negative pressure of vacuum environment that dehydration, which is blended, in environment；
Be stirred to react in be set forth in negative pressure of vacuum environment is at room temperature, to react under conditions of revolving speed is 10rpm~800rpm
30min~180min.
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| CN112300750A (en) * | 2020-11-18 | 2021-02-02 | 广州市高士实业有限公司 | Panel lamp glue and comprehensive performance evaluation method thereof |
| CN112457819A (en) * | 2019-09-09 | 2021-03-09 | 广州以恒有机硅有限公司 | High-adhesion silicone sealant |
| CN113528079A (en) * | 2021-07-23 | 2021-10-22 | 杭州之江新材料有限公司 | Silicone sealant for PP (polypropylene) material and preparation method thereof |
| CN114214024A (en) * | 2021-12-14 | 2022-03-22 | 杭州之江有机硅化工有限公司 | Environment-friendly high-displacement silicone sealant and preparation method thereof |
| CN114525106A (en) * | 2022-02-22 | 2022-05-24 | 江苏光辉粘合科技有限公司 | Preparation method of ultrahigh-speed LED lamp tube adhesive |
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| CN112457819A (en) * | 2019-09-09 | 2021-03-09 | 广州以恒有机硅有限公司 | High-adhesion silicone sealant |
| CN112300750A (en) * | 2020-11-18 | 2021-02-02 | 广州市高士实业有限公司 | Panel lamp glue and comprehensive performance evaluation method thereof |
| CN113528079A (en) * | 2021-07-23 | 2021-10-22 | 杭州之江新材料有限公司 | Silicone sealant for PP (polypropylene) material and preparation method thereof |
| CN114214024A (en) * | 2021-12-14 | 2022-03-22 | 杭州之江有机硅化工有限公司 | Environment-friendly high-displacement silicone sealant and preparation method thereof |
| CN114525106A (en) * | 2022-02-22 | 2022-05-24 | 江苏光辉粘合科技有限公司 | Preparation method of ultrahigh-speed LED lamp tube adhesive |
| CN114525106B (en) * | 2022-02-22 | 2023-01-06 | 江苏光辉粘合科技有限公司 | Preparation method of ultrahigh-speed LED lamp tube adhesive |
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