CN114106768A - Bi-component flame-retardant silicone sealant and preparation method thereof - Google Patents
Bi-component flame-retardant silicone sealant and preparation method thereof Download PDFInfo
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- CN114106768A CN114106768A CN202111364789.5A CN202111364789A CN114106768A CN 114106768 A CN114106768 A CN 114106768A CN 202111364789 A CN202111364789 A CN 202111364789A CN 114106768 A CN114106768 A CN 114106768A
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
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Abstract
The invention relates to a bi-component flame-retardant silicone sealant and a preparation method thereof. The silicone sealant consists of a component A and a component B, wherein the component A mainly comprises the following components: alpha, omega-dihydroxy polydimethylsiloxane, dimethyl silicone oil, surface modified inorganic flame-retardant filler and reinforcing filler; the component B mainly comprises: carbon black color paste, a silane cross-linking agent, a composite silane coupling agent, an organic phosphorus flame retardant and an organic tin catalyst. Compared with the existing bi-component flame-retardant silicone sealant, the invention greatly improves the mechanical property of the sealant by using the inorganic flame-retardant filler surface-modified by the silane coupling agent, and makes up for the mechanical defect caused by the reduction of the content of the reinforcing filler. The sealant has high elasticity, high weather resistance, high strength and high adhesion, and can flexibly adjust the curing time.
Description
Technical Field
The invention belongs to the technical field of silicone sealant, and particularly relates to a bi-component flame-retardant silicone sealant and a preparation method thereof.
Background
The silicone sealant is a paste formed by mixing polysiloxane serving as a main raw material, a cross-linking agent, a filler, a plasticizer, a coupling agent and a catalyst in a vacuum state, and an elastic rubber body is formed through a curing reaction. The silicone sealant comprises two forms, namely a one-component sealant and a two-component sealant, wherein the one-component sealant is cured and formed by changing physical properties through crosslinking and curing by contacting moisture in the air; the two-component sealant is divided into A, B two groups, and any group alone can not form curing, but two groups of mucilage can generate curing once mixed, and the two groups of mucilage can be divided into two-component condensed type room temperature vulcanized silicone sealant and two-component addition type room temperature vulcanized silicone sealant according to the curing mechanism.
At present, a large amount of solid flame retardant is added into the common flame-retardant sealant, the addition amount of the sealant reinforcing filler is reduced, the mechanical property of the sealant is greatly lost, meanwhile, the compatibility of the inorganic flame-retardant material and the organic high polymer is poor, the phenomenon of particle agglomeration is easily generated, the dispersibility of the inorganic flame-retardant material in the composite material is influenced, and the comprehensive performance of the composite material is reduced.
Disclosure of Invention
The invention provides a bi-component flame-retardant silicone sealant, which is different from the traditional flame-retardant sealant, and adopts a silane coupling agent to modify inorganic flame-retardant powder, and the silane coupling agent can react with the surface of the powder to form chemical bonds to achieve the modification effect. The specific study scheme is as follows:
bi-component flame-retardant silicone sealant and preparation method thereof
The component A mainly comprises: 100 parts of alpha, omega-dihydroxy polydimethylsiloxane, 30-70 parts of dimethyl silicone oil, 50-110 parts of surface modified inorganic flame-retardant filler and 160 parts of reinforcing filler.
The component B mainly comprises: 100 parts of carbon black color paste, 25-50 parts of silane cross-linking agent, 5-20 parts of composite silane coupling agent, 1-3 parts of organic flame retardant and 0.5-3 parts of organic tin catalyst.
The surface modified inorganic flame-retardant filler is silane coupling agent modified aluminum hydroxide, mica powder and ceramic powder.
The surface modification method is a chemical coating method, inorganic powder is added into a ball mill, a silane coupling agent with the weight of 0.6-2.0% of the weight of the powder is uniformly added into the ball mill in a high-pressure spraying mode, and ball milling, mixing and scattering are carried out at normal temperature, so that the silane coupling agent and active-OH groups on the powder are subjected to chemical reaction, and the silane coupling agent surface modified inorganic flame-retardant filler can be obtained.
The silane coupling agent for surface modification is gamma-aminopropyltrimethoxysilane.
Preferably, according to the present invention, the viscosity of the α, ω -dihydroxypolydimethylsiloxane is 20000 cps.
Preferably, according to the present invention, the viscosity of the dimethylsilicone fluid is 350 cps.
Preferably, according to the present invention, the surface-modified inorganic flame retardant filler comprises a mixture of one or more of aluminum hydroxide, mica powder and ceramic powder.
According to the invention, the reinforcing filler preferably comprises at least one of nano active calcium carbonate, superfine calcium carbonate, ground calcium carbonate, titanium dioxide, fumed silica, precipitated silica and silica micropowder.
Further preferably, the reinforcing filler is a mixture of nano activated calcium carbonate and ground calcium carbonate.
Preferably, according to the present invention, the silane cross-linking agent comprises one or more of methyltrimethoxysilane, methyltriethoxysilane, vinyltrimethoxysilane, dimethyldimethoxysilane, vinyltriethoxysilane, polymethyltrimethoxysilane, polymethyltriethoxysilane.
Further preferably, the silane crosslinking agent is one of polymethyltrimethoxysilane and polymethyltriethoxysilane.
Preferably, the composite silane coupling agent includes one or more of gamma- (2, 3-glycidoxy) propyltrimethoxysilane, N- (2-aminoethyl) -3-aminopropyltrimethoxysilane, gamma-aminopropyltriethoxysilane, N-beta-aminoethyl gamma-aminopropyltrimethoxysilane, N-beta-aminoethyl gamma-aminopropyltriethoxysilane, gamma-glycidoxypropyltrimethoxysilane, gamma-methacryloxypropyltrimethoxysilane, epoxypropyltriethoxysilane, and mercaptopropyltrimethoxysilane.
More preferably, the composite silane coupling agent is a mixture of gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, N- (2-aminoethyl) -3-aminopropyl trimethoxy silane and gamma-aminopropyl trimethoxy silane.
Preferably according to the present invention, the organic flame retardant comprises one or more of trimethyl phosphate, tripropyl phosphate, triethyl phosphate, triisobutyl phosphate, trichloroethyl phosphate, trichloropropyl phosphate, cresyl diphenyl phosphate, tricresyl phosphate, triphenyl phosphate, and trixylenyl phosphate.
More preferably, the organic flame retardant is one of cresyldiphenyl phosphate or tricresyl phosphate.
According to a preferred embodiment of the present invention, the organotin catalyst includes at least one of dibutyltin diacetate, dibutyltin dilaurate, dioctyltin dilaurate, stannous octoate, dimethyltin dineodecanoate, and dibutyltin bis (β -diketonate).
Further preferably, the organotin catalyst is one of dibutyltin dilaurate and dioctyltin dilaurate. The invention also provides a preparation method of the bi-component flame-retardant silicone sealant, which is characterized by comprising the following technical processes:
preparation of component A: and putting the alpha, omega-dihydroxy polydimethylsiloxane, the dimethyl silicone oil, the surface modified inorganic flame-retardant filler and the reinforcing filler into a kneading machine, stirring for 60-90min under a vacuum condition, and uniformly mixing to obtain the component A.
Preparation of the component B: adding the carbon black color paste and the silane cross-linking agent into a planetary gear, stirring for 60min under the condition of less than or equal to-0.08 MPa, adding the composite silane coupling agent, the organic phosphorus flame retardant and the organic tin catalyst after uniform mixing, stirring for 60min under the condition of less than or equal to-0.08 MPa, and obtaining the component B after uniform mixing.
A. Mixing the component B: A. and the component B is prepared according to the following formula A, B, 10-18: 1, and the mixture is used after being uniformly mixed.
The invention has the advantages that:
1. the silane coupling agent is adopted to modify the surface of the inorganic flame-retardant filler, so that the compatibility and the mixed dispersibility of the inorganic powder and the high polymer are improved, and the comprehensive performance of the composite material is further improved.
2. The composite silane coupling agent adopted by the invention effectively improves the interface performance of the colloid and the flame retardant, so that the colloid and the flame retardant have good adhesion and stability;
and 3, the AB component and the AB component are stored separately, and are mixed according to different proportions when in use, so that the curing time of the sealant can be flexibly adjusted, and the sealant has the characteristics of convenience in operation and simple process.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be illustrative only and not limiting.
The raw materials used in this example include the following:
(1) the preparation method of the carbon black color paste comprises the following steps:
and (3) putting 30 parts by mass of carbon black powder, 70 parts by mass of alpha, omega-dihydroxy polydimethylsiloxane and 30 parts by mass of dimethyl silicone oil into a kneader, and mixing for 90-120min under a vacuum condition to obtain the carbon black color paste.
(2) The silane coupling agent surface modified inorganic flame-retardant filler is prepared by the following steps:
adding one or more of aluminum hydroxide, mica powder and ceramic powder into a ball mill, uniformly adding gamma-aminopropyl trimethoxy silane with the weight of 0.6-2.0% of the weight of the powder into the ball mill in a high-pressure spraying manner, and carrying out ball milling, mixing and scattering at normal temperature to obtain the modified inorganic flame-retardant filler.
(3) The preparation method of the composite silane coupling agent comprises the following steps:
mixing gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, N- (2-aminoethyl) -3-aminopropyl trimethoxy silane and gamma-aminopropyl trimethoxy silane in the weight ratio of 5: 1: 5, and mixing uniformly.
Example 1
A two-component flame-retardant silicone sealant comprises a component A and a component B.
The component A comprises: 1000g of alpha, omega-dihydroxy polydimethylsiloxane with 20000 viscosity, 460g of simethicone, 820g of nano active calcium carbonate, 400g of heavy calcium carbonate and 700g of aluminum hydroxide surface-modified by silane coupling agent; the components are weighed and sequentially added into a kneader, and stirred for 90min under a vacuum condition to obtain the component A.
The component B comprises: 100g of carbon black color paste, 33g of polymethyl trimethoxy silane, 20g of composite silane coupling agent, 1.5g of diphenyl cresyl phosphate and 0.9g of dibutyltin dilaurate; weighing the components, adding the carbon black color paste and the polymethyl trimethoxy silane, stirring for 60min under the condition of less than or equal to-0.08 MPa, adding the composite silane coupling agent, the diphenyl cresyl phosphate and the dibutyltin dilaurate, and stirring for 60min under the condition of less than or equal to-0.08 MPa to obtain the component B.
Example 2
The steps of the method are the same as those of the example 1, only the aluminum hydroxide modified by the surface of the silane coupling agent is replaced by the mica powder modified by the surface of the silane coupling agent, and the component A is obtained.
Example 3
The steps of the method are the same as those of the example 1, only the aluminum hydroxide modified by the surface of the silane coupling agent is replaced by the ceramic powder modified by the surface of the silane coupling agent, and the component A is obtained.
Example 4
The method has the same steps as the example 1, and only the aluminum hydroxide modified by the surface of the silane coupling agent is replaced by a 1:1:1 mixture of the aluminum hydroxide modified by the surface of the silane coupling agent, ceramic powder and mica powder to obtain the component A.
Example 5
The procedure of the method was the same as in example 1, except that aluminum hydroxide surface-modified with a silane coupling agent was replaced with aluminum hydroxide to obtain component A.
Example 6
The steps of the method are the same as those of the example 1, and only the aluminum hydroxide modified by the surface of the silane coupling agent is replaced by the ceramic powder to obtain the component A.
Example 7
The steps of the method are the same as those of the example 1, only the aluminum hydroxide modified by the silane coupling agent is replaced by mica powder, and the component A is obtained.
Example 8
The procedure of the method is the same as that of example 1, and in the step of preparing only the silane coupling agent surface-modified aluminum hydroxide, the addition amount of the gamma-aminopropyltrimethoxysilane is 0.45%, so that the component A is obtained.
Example 9
The steps of the method are the same as example 1, in the step of only preparing the aluminum hydroxide with the surface modified by the silane coupling agent, the addition amount of the gamma-aminopropyl trimethoxy silane is 2.5 percent, and the component A is obtained.
Example 10
The procedure of the method is the same as that of example 1, and in the step of preparing only the silane coupling agent surface-modified aluminum hydroxide, the gamma-aminopropyltrimethoxysilane is replaced by N- (2-aminoethyl) -3-aminopropyltrimethoxysilane to obtain the component A.
Example 11
The steps of the method are the same as those of the example 1, and only the composite silane coupling agent is replaced by gamma-aminopropyl trimethoxy silane to obtain a component B.
Example 12
The procedure of example 1 was followed, except that the composite silane coupling agent was replaced with N- (2-aminoethyl) -3-aminopropyltrimethoxysilane to obtain component B.
Example 13
The steps of the method are the same as those of the example 1, only the composite silane coupling agent is replaced by gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, and the component B is obtained.
Example 14
The preparation method of the two-component silicone sealant by adopting the prior art comprises the following steps: 1000g of alpha, omega-dihydroxy polydimethylsiloxane, 300g of simethicone, 700g of aluminum hydroxide, 800g of nano calcium carbonate and 300g of heavy calcium carbonate;
the component B comprises: 100g of carbon black color paste, 40g of polymethyl trimethoxy silane, 15g of gamma-aminopropyl trimethoxy silane, 1g of triphenyl phosphate and 1g of dibutyltin dilaurate.
The A, B two components of each example were mixed as follows: 1, uniformly mixing the raw materials in a mass ratio to prepare an adhesive tape, a rubber plate and an I-shaped part, and testing surface drying time, adhesive property, flame retardant property and mechanical property, wherein the specific test standards are as follows: GB/T13477.5-2002 building sealing material test method part 5 surface dry time measurement; GB/T13477.10-2017 building sealing material test method part 8 tensile adhesion determination; GB/T10701-. The relevant data are shown in table 1.
TABLE 1 grades of tack-free time, adhesion, mechanical properties and vertical burn Properties of the sealants
The data show that after the silane coupling agent is used for surface modification of the flame-retardant filler, compared with the traditional flame-retardant adhesive, the flame-retardant adhesive disclosed by the invention not only ensures the necessary flame-retardant property, but also improves the elasticity and the strength, and makes up for the mechanical defect of the traditional flame-retardant adhesive; after the composite silane coupling agent is adopted, the adhesiveness and the stability of the sealant are improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The bi-component flame-retardant silicone sealant is characterized by comprising a component A and a component B, and the bi-component flame-retardant silicone sealant comprises the following components in parts by weight:
the component A comprises:
100 parts of alpha, omega-dihydroxy polydimethylsiloxane
30-70 parts of dimethyl silicone oil
50-110 parts of inorganic flame-retardant filler
100 portions of reinforcing filler
And B component:
100 portions of carbon black color paste
25-50 parts of silane cross-linking agent
5-20 parts of composite silane coupling agent
1-3 parts of organic phosphorus flame retardant
0.5-3 parts of organic tin catalyst.
2. The two-part flame retardant silicone sealant of claim 1 wherein the α, ω -dihydroxy polydimethylsiloxane has the general structural formula HO- [ SiOR2]-SiOH, wherein R is methyl, n ranges from 50 to 2000, said α, ω -dihydroxypolydimethylsiloxane is a mixture of α, ω -dihydroxypolydimethylsiloxanes of different viscosities, selected from one or more of 2000, 5000, 10000, 20000 cps.
3. The two-part flame retardant silicone sealant according to claim 1 wherein the dimethicone has a viscosity of 50 to 1000 cps.
4. The two-component flame-retardant silicone sealant according to claim 1, wherein the inorganic flame-retardant filler is a mixture of one or more of aluminum hydroxide, mica powder and ceramic powder which are surface-modified by a silane coupling agent;
the reinforcing filler comprises at least one of nano active calcium carbonate, superfine calcium carbonate, heavy calcium carbonate, fumed silica, precipitated silica and silica micropowder.
5. The two-component flame-retardant silicone sealant according to claim 1, wherein the silane coupling agent surface-modified aluminum hydroxide, mica powder and ceramic powder are prepared by adding one or more of aluminum hydroxide, mica powder and ceramic powder into a ball mill, uniformly adding gamma-aminopropyltrimethoxysilane with a weight of 0.6-2.0% of the weight of the powder into the ball mill in a high-pressure spraying manner, and performing ball milling, mixing and scattering at normal temperature to obtain the modified inorganic flame-retardant filler.
6. The two-component flame retardant silicone sealant according to claim 1, wherein the carbon black color paste is prepared by the following method: putting 20-40 parts by mass of carbon black powder, 40-80 parts by mass of alpha, omega-dihydroxy polydimethylsiloxane and 20-40 parts by mass of simethicone into a kneader, and mixing for 90-120min under a vacuum condition to obtain carbon black color paste, wherein carbon black in the carbon black color paste is the carbon black powder with an oil absorption value of 50-60cc/100 g.
7. The two-part flame retardant silicone sealant according to claim 1, wherein the silane cross-linking agent comprises one or more of methyltrimethoxysilane, methyltriethoxysilane, vinyltrimethoxysilane, dimethyldimethoxysilane, vinyltriethoxysilane, and polymethyltrimethoxysilane, and the composite silane coupling agent comprises γ - (2, 3-glycidoxy) propyltrimethoxysilane, N- (2-aminoethyl) -3-aminopropyltrimethoxysilane, γ -aminopropyltriethoxysilane, N- β aminoethyl γ -aminopropyltrimethoxysilane, N- β aminoethyl γ -aminopropyltriethoxysilane, γ -glycidoxypropyltrimethoxysilane, gamma-glycidoxypropyltrimethoxysilane, and mixtures thereof, One or more of gamma-methacryloxypropyltrimethoxysilane, epoxypropyltriethoxysilane, and mercaptopropyltrimethoxysilane.
8. The two-part flame retardant silicone sealant according to claim 1, wherein the organophosphorus based flame retardant comprises one or more of trimethyl phosphate, tripropyl phosphate, triethyl phosphate, triisobutyl phosphate, trichloroethyl phosphate, trichloropropyl phosphate, cresyldiphenyl phosphate, tricresyl phosphate, triphenyl phosphate, trixylenyl phosphate; the organic tin catalyst comprises at least one of dibutyltin diacetate, dibutyltin dilaurate, dioctyltin dilaurate, stannous octoate, dimethyltin dineodecanoate and dibutyltin bis (beta-diketone ester).
9. The two-component flame retardant silicone sealant according to claim 1, wherein the mixing ratio of the component A to the component B is A: B = 10-18: 1 weight ratio.
10. A method of preparing a two-component flame retardant silicone sealant as claimed in any one of claims 1 to 9 comprising the steps of:
preparation of component A: putting alpha, omega-dihydroxy polydimethylsiloxane, dimethyl silicone oil, surface modified inorganic flame-retardant filler and reinforcing filler into a kneading machine, and stirring under a vacuum condition; mixing for 60-90min to obtain component A;
preparation of the component B: adding the carbon black color paste and the silane cross-linking agent into a planetary gear, stirring for 60min under the condition of less than or equal to-0.08 MPa, adding the composite silane coupling agent, the organic phosphorus flame retardant and the organic tin catalyst after uniform mixing, stirring for 60min under the condition of less than or equal to-0.08 MPa, and obtaining a component B after uniform mixing;
A. mixing the component B:
A. b component is prepared according to the following steps of A: B = 10-18: 1, and the mixture is used after being uniformly mixed.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115838583A (en) * | 2022-12-26 | 2023-03-24 | 广州市白云化工实业有限公司 | Anti-settling high-fluidity flame-retardant double-component organic silicon pouring sealant and preparation method thereof |
CN116042171A (en) * | 2023-01-28 | 2023-05-02 | 山东景茂新材料有限公司 | Preparation method of high-strength flame-retardant silicone sealant |
CN116285860A (en) * | 2022-12-21 | 2023-06-23 | 佛山巨马新材料有限公司 | High-adhesion barrier type bi-component silicone sealant and preparation method thereof |
CN117070186A (en) * | 2023-10-18 | 2023-11-17 | 山东景茂新材料有限公司 | Preparation method of alcohol type silicone sealant |
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CN102618208A (en) * | 2011-01-28 | 2012-08-01 | 深圳市百丽春粘胶实业有限公司 | Halogen-free flame-retardant heat-conduction organosilicon electronic pouring sealant and preparation technology thereof |
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2021
- 2021-11-17 CN CN202111364789.5A patent/CN114106768A/en active Pending
Patent Citations (1)
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CN102618208A (en) * | 2011-01-28 | 2012-08-01 | 深圳市百丽春粘胶实业有限公司 | Halogen-free flame-retardant heat-conduction organosilicon electronic pouring sealant and preparation technology thereof |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116285860A (en) * | 2022-12-21 | 2023-06-23 | 佛山巨马新材料有限公司 | High-adhesion barrier type bi-component silicone sealant and preparation method thereof |
CN115838583A (en) * | 2022-12-26 | 2023-03-24 | 广州市白云化工实业有限公司 | Anti-settling high-fluidity flame-retardant double-component organic silicon pouring sealant and preparation method thereof |
CN116042171A (en) * | 2023-01-28 | 2023-05-02 | 山东景茂新材料有限公司 | Preparation method of high-strength flame-retardant silicone sealant |
CN116042171B (en) * | 2023-01-28 | 2023-06-20 | 山东景茂新材料有限公司 | Preparation method of high-strength flame-retardant silicone sealant |
CN117070186A (en) * | 2023-10-18 | 2023-11-17 | 山东景茂新材料有限公司 | Preparation method of alcohol type silicone sealant |
CN117070186B (en) * | 2023-10-18 | 2023-12-26 | 山东景茂新材料有限公司 | Preparation method of alcohol type silicone sealant |
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