CN103923583A - One-component end silane polyacrylate binder and preparation method thereof - Google Patents
One-component end silane polyacrylate binder and preparation method thereof Download PDFInfo
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- CN103923583A CN103923583A CN201410143603.7A CN201410143603A CN103923583A CN 103923583 A CN103923583 A CN 103923583A CN 201410143603 A CN201410143603 A CN 201410143603A CN 103923583 A CN103923583 A CN 103923583A
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Abstract
The invention discloses a one-component end silane polyacrylate binder and a preparation method thereof, wherein the binder consists of the following components in parts by weight: 100-200 parts of end silane polyacrylate, 30-80 parts of plasticizer, 150-300 parts of incremental filler, 10-100 parts of colorant, 1-25 parts of thixotropic agent, 0.5-15 parts of moisture scavenger, 0.5-25 parts of binding accelerant and 0.5-15 parts of catalyst. As the UV (ultraviolet)-resistance is better and the binding property can be greatly improved, the binder can satisfy the binding requirements of different materials and can be widely applied to the automobile manufacturing industry, the transportation industry, the container manufacturing, the metal and nonmetal processing industry, the equipment manufacturing, the air conditioners and ventilation devices.
Description
Technical field
The present invention designs a kind of single-component adhesive of the various material material that can bond, particularly a kind of single-component end-silicane-group acrylate resin and preparation method thereof.
Background technology
Seal gum is to guide to be out of shape with trim shape, is difficult for trickling, has certain close-burning sealing material.For filling configuration gap, to play the tackiness agent of sealing function.They have anti-leak, waterproof, vibration proof and sound insulation, the effect such as heat insulation.At present mainly comprise poly-sulphur class, silicone based, polyurethanes at each industrial circle seal gum used, poly-sulphur class seal gum weathering resistance is poor, simultaneously due to the preparation process pollution problem of thiorubber, and the smell problem of seal gum, it uses chance fewer and feweri; Silicone based seal gum good weatherability, but intensity is slightly low, surface cannot spray treatment, has limited greatly its range of application; And polyurethane sealant exists weathering resistance and the poor problem of cementability equally, isocyanic ester character is active simultaneously, and the seal gum based on isocyanate prepolymer exists poor storage stability, and production environment requires high, the shortcoming that difficulty is large.
Silyl-terminated polyether sealant claims again organosilicon modified polyether seal gum or modified silicone seal gum.Silyl-terminated polyether sealant has been inherited the advantage of silicone sealant and polyurethane sealant, shows the advantages such as good cementability, covering with paint property, weather resistance, environment friendly, low contamination and low viscosity and good application property.Application puts it at aspects such as automobile industry, transportation, boats and ships and Production Container, metal and nonmetal processing industry, device fabrication, air-conditioning and ventilation plants.
In general, because the molecular backbone chain of silyl-terminated polyether sealant is polyalcohol polyether, the therefore poor-performing of resistance to UV; The moisture-curable that simultaneously its curing mode is end-silicane-group, cause in this kind of seal gum cohesiveness of some range of application lower, not strong to the universality of unlike material material.
Summary of the invention
For addressing the above problem, the invention discloses a kind of single-component end-silicane-group acrylate resin and preparation method thereof, the cohesiveness of its resistance to UV better performances and the material to unlike material can increase substantially, good weatherability, universality is strong, there is good quality stability, not oxidizable, aging and be corroded long service life.
Single-component end-silicane-group acrylate resin disclosed by the invention, forms (in parts by weight) by following component, end-silicane-group polyacrylic ester 100-200 part; Softening agent 30-80 part; Increment filler 150-300 part; Tinting material 10-100 part; Thixotropic agent 1-25 part; Moisture scavenger 0.5-15 part; Adhesive accelerant 0.5-25 part; Catalyzer 0.5-15 part.
The one of single-component end-silicane-group acrylate resin disclosed by the invention is improved, described end-silicane-group polyacrylic ester is the polyacrylic ester that a kind of end group at least contains 2 hydrolyzable silane bases, and wherein said hydrolyzable silane base is one or several in trimethoxysilyl, methyl dimethoxy oxygen base silyl, triethoxysilyl, methyl diethoxy silyl.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described softening agent is any molar mixture of a kind of ester or several esters in phthalate.As one or several the mixture in dioctyl phthalate (DOP), Di Iso Decyl Phthalate etc.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described increment filler is that one or several any quality in light calcium carbonate, surface-treated calcium carbonate, silicon powder, mica powder, silica powder, diatomite, kaolin compares mixture.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described tinting material is that one or several any quality in titanium dioxide, iron oxide black, carbon black compares mixture.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described thixotropic agent is that one or several any quality in carbon black, gas-phase silica, hydrogenated castor oil, organobentonite, polyamide wax compares mixture.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described moisture scavenger is the reaction silane coupling agent class vinyltrimethoxy silane that is easily hydrolyzed.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described adhesive accelerant is one or several any molar mixture in silane coupling agent and derivative (as γ-aminopropyltrimethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ mercaptopropyitrimethoxy silane, gamma-methyl allyl acyloxypropyl trimethoxysilane etc.) thereof.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and catalyzer is one or several in the fatty acid salt catalyzer of metal-salt type or the composite catalyst of titanate ester catalyzer or lipid acid tin compound and alkyl amine compound.As composite catalyst of dibutyl tin laurate, dibutyltin diacetate, two (levulinic ketone ester) dibutyl tin, phthalic acid dibutyl tin, stannous octoate and n-Laurylamine etc.
Another improvement of single-component end-silicane-group acrylate resin disclosed by the invention, in the composite catalyst of lipid acid tin compound and alkyl amine compound, alkyl amine compound accounts for 0 ~ 50% of lipid acid tin compound and alkyl amine compound integral molar quantity.
The preparation method of single-component end-silicane-group acrylate resin disclosed by the invention; first in twin shaft planetary power stirrer still, add successively end-silicane-group polyacrylic ester, softening agent, reinforced filling, thixotropic agent, tinting material, increment filler, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add moisture scavenger, adhesive accelerant and catalyzer, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Single-component end-silicane-group acrylate resin disclosed by the invention and preparation method thereof, compared with traditional single-component silyl-terminated polyether tackiness agent, the cohesiveness of its resistance to UV better performances and the material to unlike material can increase substantially, good weatherability, and universality is strong.
Embodiment
Below in conjunction with embodiment, further illustrate the present invention, should understand following embodiment and only be not used in and limit the scope of the invention for the present invention is described.
Single-component end-silicane-group acrylate resin disclosed by the invention, forms (in parts by weight) by following component, end-silicane-group polyacrylic ester 100-200 part; Softening agent 30-80 part; Increment filler 150-300 part; Tinting material 10-100 part; Thixotropic agent 1-25 part; Moisture scavenger 0.5-15 part; Adhesive accelerant 0.5-25 part; Catalyzer 0.5-15 part.
The one of single-component end-silicane-group acrylate resin disclosed by the invention is improved, described end-silicane-group polyacrylic ester is the polyacrylic ester that a kind of end group at least contains 2 hydrolyzable silane bases, and wherein said hydrolyzable silane base is one or several in trimethoxysilyl, methyl dimethoxy oxygen base silyl, triethoxysilyl, methyl diethoxy silyl.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described softening agent is any molar mixture of a kind of ester or several esters in phthalate.As dioctyl phthalate (DOP), Di Iso Decyl Phthalate etc.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described increment filler is that one or several any quality in light calcium carbonate, surface-treated calcium carbonate, silicon powder, mica powder, silica powder, diatomite, kaolin compares mixture.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described tinting material is that one or several any quality in titanium dioxide, iron oxide black, carbon black compares mixture.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described thixotropic agent is that one or several any quality in carbon black, gas-phase silica, hydrogenated castor oil, organobentonite, polyamide wax compares mixture.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described moisture scavenger is the reaction silane coupling agent class vinyltrimethoxy silane that is easily hydrolyzed.
Another of single-component end-silicane-group acrylate resin disclosed by the invention improved, and described adhesive accelerant is one or several any molar mixture in silane coupling agent and derivative (as γ-aminopropyltrimethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ mercaptopropyitrimethoxy silane, gamma-methyl allyl acyloxypropyl trimethoxysilane etc.) thereof.
Another improvement of single-component end-silicane-group acrylate resin disclosed by the invention, catalyzer is the composite catalyst that one or several and the alkyl amine compound in fatty acid salt or titanate ester or the lipid acid tin compound of metal-salt type forms, and wherein alkyl amine compound accounts for 0 ~ 50% of composite catalyst integral molar quantity.As composite catalyst of dibutyl tin laurate, dibutyltin diacetate, two (levulinic ketone ester) dibutyl tin, phthalic acid dibutyl tin, stannous octoate and n-Laurylamine etc.
The preparation method of single-component end-silicane-group acrylate resin disclosed by the invention; first in twin shaft planetary power stirrer still, add successively end-silicane-group polyacrylic ester, softening agent, thixotropic agent, tinting material, increment filler, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add moisture scavenger, adhesive accelerant and catalyzer, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 1
In twin shaft planetary power stirrer still, add successively 100 parts of end-silicane-group polyacrylic ester (end group is trimethoxysilyl), 30 parts of dioctyl phthalate (DOP)s, 150 parts of light calcium carbonates, 10 parts of titanium dioxide, 1 part of carbon black, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 0.5 part of 0.5 part of vinyltrimethoxy silane, 0.5 part of γ-aminopropyltrimethoxysilane and dibutyl tin laurate, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 2
In twin shaft planetary power stirrer still, add successively 110 parts of end-silicane-group polyacrylic ester (end group is methyl dimethoxy oxygen base silyl), 35 parts of Di Iso Decyl Phthalates, 165 parts, iron black 20 parts, surface-treated calcium carbonate (infiltrating 2 hours with surfactant), 3 parts of gas-phase silicas, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 2 parts of 1.5 parts of vinyltrimethoxy silanes, 3 parts of γ-glycidyl ether oxygen propyl trimethoxy silicanes and dibutyl tin laurates, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 3
In twin shaft planetary power stirrer still, add successively 120 parts of end-silicane-group polyacrylic ester (end group is triethoxysilyl), 40 parts of dioctyl phthalate (DOP)s, 180 parts of silicon powders, 15 parts of hydrogenated castor oils, 5 parts of carbon blacks, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 3.5 parts of 2.5 parts of vinyltrimethoxy silanes, 5.5 parts of γ-glycidyl ether oxygen propyl trimethoxy silicanes and two (levulinic ketone ester) dibutyl tins, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 4
In twin shaft planetary power stirrer still, add successively 130 parts of end-silicane-group polyacrylic ester (end group is methyl diethoxy silyl), 45 parts of Di Iso Decyl Phthalates, 195 parts of mica powders, 30 parts of titanium dioxide, 7 parts of organobentonites, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 5 parts of 3.5 parts of vinyltrimethoxy silanes, 8 parts of γ-glycidyl ether oxygen propyl trimethoxy silicanes and dibutyl tin laurates, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 5
In twin shaft planetary power stirrer still, add successively 140 parts of end-silicane-group polyacrylic ester (end group is trimethoxysilyl), 50 parts of Di Iso Decyl Phthalates, 210 parts of silica powders, 40 parts of iron oxide blacks, 9 parts of polyamide waxes, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 6.5 parts of 4.5 parts of vinyltrimethoxy silanes, 10.5 parts of γ-glycidyl ether oxygen propyl trimethoxy silicanes and dibutyltin diacetates, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 6
In twin shaft planetary power stirrer still, add successively 150 parts of end-silicane-group polyacrylic ester (end group is trimethoxysilyl), 55 parts of dioctyl phthalate (DOP)s, 225 parts, diatomite, 50 parts of carbon blacks, 13 parts of carbon blacks, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 7 parts of vinyltrimethoxy silanes, 13 parts of γ-glycidyl ether oxygen propyl trimethoxy silicanes and stannous octoate and n-Laurylamine composite catalyst (wherein n-Laurylamine account for stannous octoate and n-Laurylamine composite catalyst integral molar quantity 30%) 8 parts, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 7
In twin shaft planetary power stirrer still, add successively 160 parts of end-silicane-group polyacrylic ester (end group is trimethoxysilyl), 60 parts of dioctyl phthalate (DOP)s, 240 parts of kaolin, (m titanium dioxide: m iron oxide black: m carbon black=1:2:7) 60 parts, 16 parts of gas-phase silicas, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 9.5 parts of 9 parts of vinyltrimethoxy silanes, 15.5 parts of gamma-methyl allyl acyloxypropyl trimethoxysilanes and dibutyl tin laurates, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 8
In twin shaft planetary power stirrer still, add successively 170 parts of end-silicane-group polyacrylic ester (end group is trimethoxysilyl), (n dioctyl phthalate (DOP): n Di Iso Decyl Phthalate=1:3) 65 parts, (m light calcium carbonate: m shows the calcium carbonate of processing: m silicon powder=2:3:5) 255 parts, (m titanium dioxide: m iron oxide black: m carbon black=0:2:7) 70 parts, 19 parts of hydrogenated castor oils, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 11 parts of 11 parts of vinyltrimethoxy silanes, 18 parts of gamma-methyl allyl acyloxypropyl trimethoxysilanes and dibutyl tin laurates (wherein 50% of the composite catalyst integral molar quantity of dibutyl tin laurate and n-Laurylamine), mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 9
In twin shaft planetary power stirrer still, add successively 180 parts of end-silicane-group polyacrylic ester (end group is triethoxysilyl), (n dioctyl phthalate (DOP): n Di Iso Decyl Phthalate=1:5) 70 parts, (m light calcium carbonate: m shows the calcium carbonate of processing: m silicon powder=4:2:7) 270 parts, (m titanium dioxide: m iron oxide black: m carbon black=1:0:7) 80 parts, (m gas-phase silica: m organobentonite: m carbon black: m hydrogenated castor oil=1:2:7:5) 22 parts, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 13.5 parts of 13 parts of vinyltrimethoxy silanes, 20.5 parts of γ-glycidyl ether oxygen propyl trimethoxy silicanes and dibutyl tin laurates, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 10
In twin shaft planetary power stirrer still, add successively 190 parts of end-silicane-group polyacrylic ester (end group is trimethoxysilyl), (n dioctyl phthalate (DOP): n Di Iso Decyl Phthalate=2:7) 75 parts, (m mica powder: m silica powder: m diatomite: m kaolin=1:2:3:5) 285 parts, (m titanium dioxide: m iron oxide black: m carbon black=1:2:0) 90 parts, (m carbon black: m hydrogenated castor oil: m polyamide wax=4:2:5) 25 parts, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 15 parts of 15 parts of vinyltrimethoxy silanes, 23 parts of γ-glycidyl ether oxygen propyl trimethoxy silicanes and dibutyltin diacetates (wherein 10% of the composite catalyst integral molar quantity of dibutyltin diacetate and n-Laurylamine), mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Embodiment 11
In twin shaft planetary power stirrer still, add successively 200 parts of end-silicane-group polyacrylic ester (end group is triethoxysilyl), (n dioctyl phthalate (DOP): n Di Iso Decyl Phthalate=4:9) 80 parts, (m mica powder: m silica powder: m diatomite: m kaolin=2:3:5:1) 300 parts, (m titanium dioxide: m iron oxide black: m carbon black=4:2:7) 100 parts, (m gas-phase silica: m organobentonite: m carbon black=1:2:7) 10 parts, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 2.5 parts of 3 parts of vinyltrimethoxy silanes, 25 parts of γ-glycidyl ether oxygen propyl trimethoxy silicanes and phthalic acid dibutyl tins, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
Comparative example 1
In twin shaft planetary power stirrer still, add successively 150 parts of silyl-terminated polyethers (end group is trimethoxysilyl), 60 parts of dioctyl phthalate (DOP)s, 200 parts of light calcium carbonates, 15 parts of titanium dioxide, 3 parts of gas-phase silicas, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add 2 parts of 5 parts of vinyltrimethoxy silanes, 3 parts of γ-aminopropyltrimethoxysilanes and dibutyl tin laurates, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is one-component silicyl polyether sealing adhesive.
In order to contrast the performance of single-component end-silicane-group polyacrylic ester and traditional single-component silyl-terminated polyether tackiness agent, do
Promote weathering resistance experiment and lap shear strength test.
Experimental technique is as follows:
Promote weathering resistance experiment: experiment slice is determined in SWOM tester after quickening in 0-200 days is aging and observed configuration of surface.
Lap shear strength: press ISO4587-2003 tackiness agent, the bioassay standard of the tie-in module stretching lap shear strength of rigidity to rigidity.
Result is as shown in the table (wherein for promoting weathering resistance experimental result 3: unchanged; 2: surperficial efflorescence; 1: crack appears in surface)
From upper table result, single-component end-silicane-group acrylate resin disclosed by the invention and preparation method thereof, the cohesiveness of its good weatherability and resistance to UV better performances and the material to unlike material can obtain increasing substantially.
The disclosed technique means of the present invention program is not limited only to the disclosed technique means of above-mentioned technique means, also comprises the technical scheme being made up of above technical characterictic arbitrary combination.The above is the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a single-component end-silicane-group acrylate resin, is characterized in that: form (in parts by weight) by following component, end-silicane-group polyacrylic ester 100-200 part; Softening agent 30-80 part; Increment filler 150-300 part; Tinting material 10-100 part; Thixotropic agent 1-25 part; Moisture scavenger 0.5-15 part; Adhesive accelerant 0.5-25 part; Catalyzer 0.5-15 part.
2. single-component end-silicane-group acrylate resin according to claim 1, it is characterized in that: described end-silicane-group polyacrylic ester is the polyacrylic ester that a kind of end group at least contains 2 hydrolyzable silane bases, wherein said hydrolyzable silane base is one or several in trimethoxysilyl, methyl dimethoxy oxygen base silyl, triethoxysilyl, methyl diethoxy silyl.
3. single-component end-silicane-group acrylate resin according to claim 1, is characterized in that: described softening agent is any molar mixture of a kind of ester or several esters in phthalate.
4. single-component end-silicane-group acrylate resin according to claim 1, is characterized in that: described increment filler is that one or several any quality in light calcium carbonate, surface-treated calcium carbonate, silicon powder, mica powder, silica powder, diatomite, kaolin compares mixture.
5. single-component end-silicane-group acrylate resin according to claim 1, is characterized in that: described tinting material is that one or several any quality in titanium dioxide, iron oxide black, carbon black compares mixture.
6. single-component end-silicane-group acrylate resin according to claim 1, is characterized in that: described thixotropic agent is that one or several any quality in carbon black, gas-phase silica, hydrogenated castor oil, organobentonite, polyamide wax compares mixture.
7. single-component end-silicane-group acrylate resin according to claim 1, is characterized in that: described moisture scavenger is vinyltrimethoxy silane.
8. single-component end-silicane-group acrylate resin according to claim 1, is characterized in that: described adhesive accelerant is one or several any molar mixture in silane coupling agent and derivative thereof.
9. single-component end-silicane-group acrylate resin according to claim 1, it is characterized in that: described catalyzer is the one in the fatty acid salt catalyzer of metal-salt type or the composite catalyst of titanate ester catalyzer or lipid acid tin compound and alkyl amine compound, wherein, in the composite catalyst of fat acid tin compound and alkyl amine compound, alkyl amine compound accounts for 0 ~ 50% of lipid acid tin compound and alkyl amine compound integral molar quantity.
10. the preparation method of single-component end-silicane-group acrylate resin according to claim 1; it is characterized in that: first in twin shaft planetary power stirrer still, add successively end-silicane-group polyacrylic ester, softening agent, thixotropic agent, tinting material, increment filler, under room temperature, stir 30 ~ 40 minutes; Then be warmed up to 110 ~ 120 DEG C, mix and blend 1 ~ 3 hour under vacuum state; Be cooled to below 50 DEG C, add moisture scavenger, adhesive accelerant and catalyzer, mix and blend 30 ~ 40 minutes under vacuum state, the even paste of gained is single-component end-silicane-group polyacrylic ester sealant.
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| CN110093130A (en) * | 2018-01-31 | 2019-08-06 | 上海宝银电子材料有限公司 | A kind of electromagnetic shielding conductive silver glue and preparation method thereof |
| CN112538326A (en) * | 2020-11-19 | 2021-03-23 | 万华化学集团股份有限公司 | Silane modified polyacrylate sealant and preparation method thereof |
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Application publication date: 20140716 |