CN112980375A - Single-component silane modified polyether sealant and preparation method thereof - Google Patents
Single-component silane modified polyether sealant and preparation method thereof Download PDFInfo
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- CN112980375A CN112980375A CN202110107681.1A CN202110107681A CN112980375A CN 112980375 A CN112980375 A CN 112980375A CN 202110107681 A CN202110107681 A CN 202110107681A CN 112980375 A CN112980375 A CN 112980375A
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- modified polyether
- silane
- polyether sealant
- component silane
- resin
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- 239000004526 silane-modified polyether Substances 0.000 title claims abstract description 59
- 239000000565 sealant Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 30
- 239000004014 plasticizer Substances 0.000 claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 239000007822 coupling agent Substances 0.000 claims abstract description 10
- 239000012763 reinforcing filler Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 4
- 150000002148 esters Chemical class 0.000 claims abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910021485 fumed silica Inorganic materials 0.000 claims description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 6
- -1 amine compound Chemical class 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- RGCPMRIOBZXXBR-UHFFFAOYSA-N butan-1-olate;dibutyltin(2+) Chemical group CCCCO[Sn](CCCC)(CCCC)OCCCC RGCPMRIOBZXXBR-UHFFFAOYSA-N 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000004132 cross linking Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical group CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- DOIRQSBPFJWKBE-UHFFFAOYSA-N phthalic acid di-n-butyl ester Natural products CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000003707 silyl modified polymer Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
- C09J171/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention provides a single-component silane modified polyether sealant and a preparation method thereof, wherein the preparation raw materials of the single-component silane modified polyether sealant comprise the following components in parts by weight: silane modified polyether resin A, silane modified polyether resin B, a plasticizer, a reinforcing filler, an antioxidant, a water removing agent, a coupling agent and a catalyst. Compared with the prior art, the invention has the beneficial effects that: according to the invention, resins with different activities, novel aliphatic alkylated ester and other components are matched with each other, so that curing and crosslinking are accelerated, the cohesive force of the sealant is improved, and the tensile strength and the bonding strength are improved.
Description
Technical Field
The invention belongs to the field of polymer sealants, and particularly relates to a single-component silane modified polyether sealant and a preparation method thereof.
Background
The silane modified polymer integrates the advantages of polyurethane and organic silicon of the existing two sealant systems, such as high elasticity, excellent weather resistance and high bonding strength, and can be used in the fields of automobile manufacturing, railway vehicles, engineering machinery, home decoration, curtain walls, building external wall panel sealing and the like.
In the fields of industrial manufacturing, such as automobiles, railway vehicles and the like, due to special manufacturing process and use working condition environment, the bonding sealing material can not be contacted with ultrahigh temperature condition. At present, polyurethane can only bear 100 ℃, and although organic silicon has good temperature resistance, the polyurethane has the defects of material pollution, incapability of paint spraying and modification and the like; the conventional silane modified sealant can bear the high temperature of 120 ℃ at most, but the high temperature of 180 ℃ or even 200 ℃ is often encountered in the actual use and assembly production. In order to meet the technical requirement of high temperature resistance, the traditional technical means needs to synthesize and modify silane modified resin, so that the cost is high, the process is complex, and industrialization is not easy to form.
Disclosure of Invention
In order to solve the technical problems, the invention provides a single-component silane modified polyether sealant and a preparation method thereof.
The specific technical scheme is as follows:
the single-component silane modified polyether sealant is characterized in that the preparation raw materials of the single-component silane modified polyether sealant comprise the following components in parts by weight:
the structural formula of the silane modified polyether resin A is as follows:
the structural formula of the silane modified polyether resin B is as follows:
the plasticizer is an aliphatic alkylated ester plasticizer.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, resins with different activities, novel aliphatic alkylated ester and other components are matched with each other, so that the curing and crosslinking are accelerated, the cohesive force of the sealant is improved, the tensile strength and the bonding strength are improved, and the high temperature resistance of 200 ℃ can be better realized for 24 hours, thereby meeting the requirements of bonding and sealing in various industrial manufacturing fields.
Further, the weight portion of the silane modified polyether resin B is 10 to 15 portions;
the beneficial effect of adopting the further technical scheme is that: the silane modified polyether resin B in the weight part range is selected to be matched with the rest components, and the tensile strength of the silane modified polyether resin B is more than 3.0 MPa.
Further, the plasticizer is hallstar Plasthall @190 and/or hallstar Plasthall @ 180S.
Further, the plasticizer is hallstar Plasthall @ 180S.
The beneficial effect of adopting the further technical scheme is that: the plasticizer of the type is selected to be matched with the other components, the Shore A hardness of the product reaches the optimal value, and the elongation of the product is increased to 497% after high temperature.
Further, the antioxidant is an amine compound.
Further, the antioxidant is OKABEST of OKA-Tec, GermanyTMCLX 50。
Adopt above-mentioned technical scheme's beneficial effect to lie in: the antioxidant is matched with other components, so that the ageing resistance can be improved, and the medium resistance of a system can be improved compared with the traditional antioxidant.
Further, the reinforcing filler comprises:
20-45 parts of superfine calcium carbonate;
and
1-8 parts of fumed silica.
The beneficial effect of adopting the further technical scheme is that: different reinforcing fillers are adopted to be matched with other components, so that the good medium resistance of the system can be realized.
Further, the particle size of the superfine calcium carbonate is 60 nm-80 nm, and the fumed silica is hydrophobic fumed silica with the specific surface area of 150m2/g。
Further, the single-component silane modified polyether sealant comprises 5-10 parts of high temperature resistant resin;
the high-temperature resistant resin is selected from one or more of silicone resin, phenolic resin and epoxy resin.
The beneficial effect of adopting the further technical scheme is that: the medium resistance of the system can be further improved by adopting the high-temperature resistant resin powder.
Further, the coupling agent is an amino coupling agent.
Further, the catalyst is a chelate type organotin catalyst.
The beneficial effect of adopting the further technical scheme is that: the chelating organotin catalyst can be matched with other components, so that the crosslinking density can be further improved, the cohesive force of the sealant can be further improved, and the temperature resistance can be improved.
Further, the water removing agent is vinyl trimethoxy silane.
Further, the coupling agent is selected from one or more of gamma-aminopropyltrimethoxysilane, gamma-aminopropyltriethoxysilane and gamma- (2, 3-glycidoxy) propyltrimethoxysilane.
Further, the catalyst is dibutyltin dibutoxide.
The preparation method of the single-component silane modified polyether sealant is characterized by comprising the following steps:
dehydrating and blending the silane modified polyether resin A, the silane modified polyether resin B, the plasticizer, the reinforcing filler and the antioxidant in parts by weight; and then sequentially adding a water removing agent, a coupling agent and a catalyst and mixing to obtain the single-component silane modified polyether sealant.
Further, the preparation method of the single-component silane modified polyether sealant comprises the following steps: according to the mass parts, putting the silane modified polyether resin A, the silane modified polyether resin B, the plasticizer, the superfine calcium carbonate, the heat-resistant resin powder, the antioxidant and the fumed silica into a high-speed dispersion machine, dehydrating and blending at the temperature of 90-110 ℃ and the vacuum degree of more than-0.09 MPa, and stirring at the speed of 800-900 r/min for 60-200 min; and cooling to room temperature, sequentially removing the water removing agent, the amino coupling agent and the catalyst under the protection of nitrogen, and stirring for 30-60 minutes under the condition that the vacuum degree is more than-0.09 MPa to obtain the 200 ℃ high-temperature resistant single-component silane modified polyether sealant.
Detailed Description
The following description is given in conjunction with the examples, which are given for the purpose of illustration only and are not intended to limit the scope of the invention.
Example 1
This example provides different types of one-component silane modified polyether sealants.
The preparation method comprises the following steps:
putting the silane modified polyether resin A, the silane modified polyether resin B, the plasticizer, the superfine calcium carbonate, the high-temperature resistant resin, the antioxidant and the fumed silica into a high-speed dispersion machine, dehydrating and blending at the temperature of 90-110 ℃ and the vacuum degree of more than-0.09 MPa, and stirring at the speed of 800-900 revolutions per minute for 60-200 minutes;
and cooling to room temperature, sequentially adding a water removing agent, a coupling agent and a catalyst under the protection of nitrogen, and stirring for 30-60 minutes under the condition that the vacuum degree is more than-0.09 MPa to obtain the 200 ℃ high-temperature resistant single-component silane modified polyether sealant, wherein the selection and the ratio of the raw materials of different types are shown in Table 1.
TABLE 1 EXAMPLE 1 selection of raw materials and parts by weight of monocomponent silane modified polyether sealant for each model
Example 2
This example provides a one-component silane-modified polyether sealant model S2.
In this example, the antioxidant type was replaced with 0.5 part of 2, 6-di-t-butyl-4-methylphenol as compared with the type of example S1-4, and the preparation method was the same as in example 1.
Example 3
This example provides a one-component silane-modified polyether sealant model S3.
In this example, the catalyst type was replaced with 0.1 part of dibutyltin dilaurate as an alternative to model No. S1-4, and the preparation was carried out in the same manner as in example 1.
Example 4
This example provides a one-component silane-modified polyether sealant model S4.
In comparison with the model of the example S1-3, this example was conducted in the same manner as in the example 1 except that the high temperature resistant resin component was removed.
Example 5
This example provides a one-component silane-modified polyether sealant model S5.
Compared with the model of the example S1-1, the weight part of the ultrafine calcium carbonate is changed to 22 parts without adding fumed silica, and the preparation method is the same as that of the example 1.
Example 6
This example provides a one-component silane-modified polyether sealant model S6.
Compared with the model of the example S1-1, the preparation method is the same as the example 1 except that the superfine calcium carbonate is not added and the fumed silica is changed into 22 parts by weight.
Comparative example 1
This comparative example provides a one-component silane modified polyether sealant model D1.
The preparation method is the same as that of example 1.
The raw materials and the parts by weight are as follows:
comparative example 2
This comparative example provides a one-component silane modified polyether sealant model D2.
The preparation method is the same as that of example 1.
The raw materials and the parts by weight are as follows:
the specific types or classes of silicone, phenolic, and epoxy resins referred to in the examples and comparative examples above are all conventional in the art.
Example 8
Performance testing of the examples and comparative examples
The performance test processes of the embodiments 1 to 7 and the comparative examples 1 to 2 are the same, and the specific steps are as follows:
(1) tensile strength and elongation at break test: preparing the glue solution into a 3.0 +/-0.1 mm glue piece in a polytetrafluoroethylene mould, curing for 7 days at the temperature of 23 +/-2 ℃ and the relative humidity of 50 +/-5%, and then testing according to GB 528.
(2) The standard sample is placed at a high temperature of 200 ℃ for 24 hours, taken out, and tested for mechanical properties and appearance after aging, and the results are shown in table 2.
TABLE 2 post-aging Performance test results of examples and comparative examples
As can be seen from the results in Table 1, compared with comparative example 1, the single-component silane modified polyether sealant prepared by the invention has good comprehensive performance under normal temperature conditions, Shore A hardness of more than 30, tensile strength of more than 2.0MPa, elongation of more than 400%, no cracking and no pulverization at high temperature, and good adhesion performance compared with the single-component silane modified polyether sealant prepared by only using one of the two silane modified polyether resins.
Compared with the comparative example 2, the single-component silane modified polyether sealant prepared by the invention has good comprehensive performance under normal temperature conditions, the A hardness is more than 30, the tensile strength is more than 2.0MPa, the elongation is more than 400%, and the single-component silane modified polyether sealant has no crack or pulverization at high temperature and keeps good viscosity performance compared with the traditional o-benzene plasticizer.
Moreover, the inventor research team finds that when one or more of silicon resin powder, phenolic resin powder and epoxy resin powder is/are added into silane modified polyether resin to be matched with the rest of components when amine compound antioxidant, fumed silica and superfine calcium carbonate are selected as reinforcing filler, the Shore A hardness is more than 46 at normal temperature, the tensile strength is more than 2.9MPa, the elongation is more than 450%, and after the high-temperature environment, the Shore A hardness is more than 45, the tensile strength is more than 2.9MPa, and the elongation is more than 450%.
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 single-component silane modified polyether sealant is characterized by comprising the following components in parts by weight:
wherein the structural formula of the silane modified polyether resin A is as follows:
the structural formula of the silane modified polyether resin B is as follows:
the plasticizer is an aliphatic alkylated ester plasticizer.
2. The one-component silane-modified polyether sealant according to claim 1, wherein the plasticizer is hallstar Plasthall @190 and/or hallstar Plasthall @ 180S.
3. The one-component silane-modified polyether sealant as claimed in claim 1, wherein the antioxidant is an amine compound.
4. The one-component silane-modified polyether sealant according to claim 1 or 3, wherein the antioxidant is OKABEST of OKA-Tec, GermanyTMCLX 50。
5. The one-part silane-modified polyether sealant of claim 1, wherein the reinforcing filler comprises:
20-45 parts of superfine calcium carbonate;
and
1-8 parts of fumed silica.
6. The one-component silane-modified polyether sealant according to claim 1, wherein the one-component silane-modified polyether sealant comprises 5 to 10 parts of high temperature resistant resin;
the high-temperature resistant resin is selected from one or more of silicone resin, phenolic resin and epoxy resin.
7. The one-component silane-modified polyether sealant according to claim 1, wherein the coupling agent is an amino coupling agent.
8. The one-component silane-modified polyether sealant according to claim 1, wherein the catalyst is a chelating organotin catalyst.
9. The one-component silane-modified polyether sealant according to claim 1 or 8, wherein the catalyst is dibutyltin dibutoxide.
10. The method of preparing a one-component silane-modified polyether sealant according to claim 9, wherein the one-component silane-modified polyether sealant is prepared by a method comprising:
dehydrating and blending the silane modified polyether resin A, the silane modified polyether resin B, the plasticizer, the reinforcing filler and the antioxidant in parts by weight; and then sequentially adding a water removing agent, a coupling agent and a catalyst and mixing to obtain the single-component silane modified polyether sealant.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698902A (en) * | 2021-08-19 | 2021-11-26 | 江苏矽时代材料科技有限公司 | Quick-curing and bonding bi-component nail-free glue and preparation method thereof |
| CN115123456A (en) * | 2022-07-12 | 2022-09-30 | 广东凯力船艇股份有限公司 | Method for installing underwater observation window |
| CN117165159A (en) * | 2023-09-26 | 2023-12-05 | 科顺防水科技股份有限公司 | Silane modified polyether waterproof paint and preparation method thereof |
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| JP2004002875A (en) * | 2003-06-26 | 2004-01-08 | Konishi Co Ltd | Silicone resin |
| CN101760173A (en) * | 2008-12-24 | 2010-06-30 | 湖北回天胶业股份有限公司 | One-component silicyl polyether sealing adhesive and preparation method thereof |
| CN106634768A (en) * | 2016-12-14 | 2017-05-10 | 湖北回天新材料股份有限公司 | Silane modified polyether sealant with excellent water soaking bonding performance and preparation method thereof |
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| CN110105907A (en) * | 2019-04-18 | 2019-08-09 | 广州集泰化工股份有限公司 | A kind of vehicle glass quick assembling one-component silane modified polyether seal glue and preparation method thereof |
| CN111500240A (en) * | 2020-04-09 | 2020-08-07 | 湖北南北车新材料有限公司 | Silane modified polyether sealant with excellent chemical medium resistance and preparation method thereof |
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| CN113698902A (en) * | 2021-08-19 | 2021-11-26 | 江苏矽时代材料科技有限公司 | Quick-curing and bonding bi-component nail-free glue and preparation method thereof |
| CN115123456A (en) * | 2022-07-12 | 2022-09-30 | 广东凯力船艇股份有限公司 | Method for installing underwater observation window |
| CN115123456B (en) * | 2022-07-12 | 2024-04-05 | 广东凯力船艇股份有限公司 | Installation method of underwater sightseeing window |
| CN117165159A (en) * | 2023-09-26 | 2023-12-05 | 科顺防水科技股份有限公司 | Silane modified polyether waterproof paint and preparation method thereof |
| CN117165159B (en) * | 2023-09-26 | 2024-04-02 | 科顺防水科技股份有限公司 | Silane modified polyether waterproof paint and preparation method thereof |
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