CN104087229A - Acrylic resin-modified silane-terminated polyether sealant and preparation method thereof - Google Patents
Acrylic resin-modified silane-terminated polyether sealant and preparation method thereof Download PDFInfo
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- CN104087229A CN104087229A CN201410273369.XA CN201410273369A CN104087229A CN 104087229 A CN104087229 A CN 104087229A CN 201410273369 A CN201410273369 A CN 201410273369A CN 104087229 A CN104087229 A CN 104087229A
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Abstract
The invention relates to an acrylic resin-modified silane-terminated polyether sealant. The acrylic resin-modified silane-terminated polyether sealant is prepared from an acrylic resin-modified silane-terminated polyether polymer, a plasticizer, a filling material, a stabilizing agent, a water-removal additive, a viscosity promoter, a catalyst and a pigment in a certain ratio through mixing. The sealant has good anti-fouling performance and finishing performance and does not contaminate an adhered substrate.
Description
Technical field: the invention belongs to polymeric material field, be specifically related to a kind of acrylic resin modification end silylated polyether seal gum and preparation method thereof.
Background technology:
Along with the develop rapidly of large-scale curtain wall and prefabricated components, the application of organosilicon sealant also increases severely day by day, except playing the functions such as joint filling, bonding, sealing, also can beautify building materials and seam region.Common organosilicon sealant is because adding the materials such as silicone oil in its system, in addition inconsiderate complete aspect design and construction, often because of the sealed glue stain of its building surface, thereby affect the specious of buildings, therefore hold silicone-modified polyether seal glue to be more and more subject to the favor in market.
The structure of end silicon alkoxyl group modified polyether seal glue is special, and it had both contained the polyethers as main chain, contain again as the silylation that solidifies function base, thereby it had many advantages of silicone sealant and polyurethane sealant concurrently.This type of seal gum is compared with conventional seals glue, has good resistance to crocking and paintability.Better with the adhesive effect of multiple base material, and be difficult for by dust pollution, self can variable color or decolouring, can not pollute the base material of adhesion yet, and didirtresistance is good, outward appearance that can beautifying constructure.But for outdoor seal gum, except possessing good mechanical property and application property, because being subject to for a long time ultraviolet radiation, the Exposure to Sunlight time is long, wind and weather, the factors such as the continuous variation of atmospheric moisture, accelerated the aging speed of exterior wall seal gum, its weather resistance and weathering resistance are directly connected to security and the work-ing life of buildings, and the weathering resistance and the persistence that therefore strengthen seal gum are just particularly important, and the silicone-modified polyether seal glue of acrylic acid modified end just can reach this effect.
According to modification mode, can be divided into physical blending method and chemic modified method, this patent adopts physical blending method and chemical blending method to combine, present grafted-organosilicon monomer in acrylic molecules, and then with the silicone-modified polyether resin blend of end, strengthen the consistency of interlaminar resin.Seal gum after modification has advantages of acrylic resin and organosilicon polymer, has excellent cementability, water tolerance, resistance to soiling, acid and alkali-resistance salt, thermotolerance and mechanical property.
Summary of the invention
The object of this invention is to provide a kind of have superior weather resistance and anti-uv-ray, the surface of application is had to the sealing material of fine protection and decoration function, be specifically related to a kind of acrylic resin modification end silylated polyether seal gum and preparation method thereof.
By weight, its component is as follows for acrylic resin modification end silylated polyether seal gum:
In technique scheme, described silane modified polyether compound is acrylic acid modified end silylated polyether polymkeric substance, and molecular weight is 6000-20000, and its basic structure is (MeO)
2meSi
siMe (MeO)
2; Described softening agent is one or more mixing of phthalate, polyether glycol, fatty hydrocarbon ils; As a preferred version of acrylic resin modified polyether seal glue of the present invention, described softening agent is one or more mixing of the different certain herbaceous plants with big flowers ester of phthalic acid two, diisononyl phthalate, dimixo-octyl phthalate, polyether glycol, fatty hydrocarbon ils; Described filler is nano-calcium carbonate, surface treated nano-calcium carbonate, and particle diameter is 30-300nm; Described stablizer is a kind of of hindered amine as light stabilizer, benzotriazole light stabilizer; Described water-removal agent is vinyl alkoxy class, comprises vinyltrimethoxy silane, vinyltriethoxysilane, vinyl methyl dimethoxysilane; Described viscosity promotor is aminopropyl alkoxyl silicone alkanes, comprises aminopropyl triethoxysilane, aminopropyl trimethoxysilane, urea groups propyl-triethoxysilicane, aminophenyl dimethoxy silane, glycidoxy-propyltrimethoxy silane; Described catalyzer is organic tin catalyzer, is one or more of stannous octoate, butyric acid tin, dibutyltin diacetate, two sad dibutyl tins, dibutyl tin laurate; Described pigment is titanium dioxide, comprises anatase thpe white powder, Rutile type Titanium Dioxide.
The present invention also provides the preparation method of acrylic resin modification end silylated polyether seal gum, and step is as follows:
(1) add silane modified polyether compound, softening agent, stablizer, pigment, after stirring, vacuumize and stir;
(2) add filler in batches, vacuumize stirring;
(3) be warmed up to 90-110 ℃ of insulation;
(4) cool to below 40 ℃, add water-removal agent to vacuumize stirring;
(5) add adhesion promoter, vacuumize stirring;
(6) add catalyzer, vacuumize stirring.
The described stirred autoclave of step (1) (2) (4) (5) (6) is double dynamical planet machine;
The described vacuum condition of step (1) (2) (4) (5) (6) is 0.090 ± 0.005MPa;
The described churning time of step (1) (2) (4) (5) (6) is 30min;
Step (3) insulation 2h;
The operational condition of described double dynamical planet machine is 25 revs/min of revolution rotating speeds; Rotation rotating speed is 800 revs/min.
The acrylic resin modified polyether seal glue of preparing by method provided by the invention, its performance sees the following form:
| Viscosity/pa.s | 200-700 |
| 100% modulus/MPa | 0.2-0.7 |
| Tensile strength/MPa | 1-2.5 |
| Elongation at break/% | 300-800 |
| UV resistant and drench with rain/3000h | Nondiscoloration, does not ftracture |
Embodiment:
Now provide embodiment so that the present invention is specifically described; it is important to point out; following examples are only for the present invention is further described; can not be interpreted as limiting the scope of the invention, some nonessential improvement that the person skilled in the art in this field makes the present invention according to the invention described above content and adjustment still belong to protection scope of the present invention.
Embodiment 1
By weight, its component is seal gum
(1) add 100 parts of silane modified polyether compounds, 60 parts of Di Iso Decyl Phthalates, 3 parts of phenylformic acid (2,2,6,6-tetramethyl--4-hydroxy piperidine) ester, 10 parts of titanium dioxides, after stirring, vacuumize and stir;
(2) add 110 parts of nano-calcium carbonates in batches, vacuumize stirring;
(3) be warmed up to 90-110 ℃ of insulation;
(4) cool to below 40 ℃, add 4 parts of vinyltrimethoxy silanes to vacuumize stirring;
(5) add 3 parts of aminopropyl triethoxysilanes, vacuumize stirring;
(6) add 5 parts of butyric acid tin, vacuumize stirring, obtain acrylic resin modification end silylated polyether seal gum.
Embodiment 2
(1) (1) adds 100 parts of silane modified polyether compounds, 120 parts of polyether glycols, 3 parts of two (1,2,2,6,6-pentamethyl--4-hydroxy piperidine) esters of sebacic acid, 40 parts of pigment, after stirring, vacuumizes and stirs;
(2) add 200 parts of nano-calcium carbonates in batches, vacuumize stirring;
(3) be warmed up to 90-110 ℃ of insulation;
(4) cool to below 40 ℃, add 4 parts of vinyltriethoxysilanes to vacuumize stirring;
(5) add 6 parts of glycidoxy-propyltrimethoxy silanes, vacuumize stirring;
(6) add 2 part of two sad dibutyl tin, vacuumize stirring, obtain acrylic resin modification end silylated polyether seal gum.
Embodiment 3
(1) add 100 parts of silane modified polyether compounds, 100 parts of fatty hydrocarbon ils, 3 parts of benzotriazoles, 20 parts of titanium dioxides, after stirring, vacuumize and stir;
(2) add 300 parts of nano-calcium carbonates in batches, vacuumize stirring;
(3) be warmed up to 90-110 ℃ of insulation;
(4) cool to below 40 ℃, add 4 parts of vinyltrimethoxy silanes to vacuumize stirring;
(5) add 5 parts of aminophenyl dimethoxy silane, vacuumize stirring;
(6) add 3 parts of stannous octoates, vacuumize stirring, obtain acrylic resin modification end silylated polyether seal gum.
Embodiment 4
(1) add 100 parts of silane modified polyether compounds, 100 parts of diisononyl phthalate, 3 parts of stablizers, 30 parts of titanium dioxides, after stirring, vacuumize and stir;
(2) add 250 parts of nano-calcium carbonates in batches, vacuumize stirring;
(3) be warmed up to 90-110 ℃ of insulation;
(4) cool to below 40 ℃, add 4 parts of vinyl methyl dimethoxysilanes to vacuumize stirring;
(5) add 4 parts of urea groups propyl-triethoxysilicanes, vacuumize stirring;
(6) add 5 parts of dibutyltin diacetates, vacuumize stirring, obtain acrylic resin modification end silylated polyether seal gum.
Embodiment 5
(1) add 100 parts of silane modified polyether compounds, 120 parts of diisononyl phthalate, 3 parts of two (2,2,6,6-tetramethyl--4-hydroxy piperidine) esters of sebacic acid, 40 parts of titanium dioxides, after stirring, vacuumize and stir;
(2) add 320 parts of nano-calcium carbonates in batches, vacuumize stirring;
(3) be warmed up to 90-110 ℃ of insulation;
(4) cool to below 40 ℃, add 4 parts of vinyltriethoxysilanes to vacuumize stirring;
(5) add 5 parts of aminopropyl trimethoxysilane, vacuumize stirring;
(6) add 4 parts of butyric acid tin, vacuumize stirring, obtain acrylic resin modification end silylated polyether seal gum.
Claims (14)
1. an acrylic resin modification end silylated polyether seal gum, is characterized in that: described composition by weight for example under:
。
2. seal gum as claimed in claim 1, is characterized in that: described silane modified polyether compound is acrylic acid modified end silylated polyether polymkeric substance, and molecular weight is 6000-20000; Its basic structure is (MeO)
2meSi
siMe (MeO).
3. seal gum as claimed in claim 1, is characterized in that: described softening agent is one or more of phthalate, polyether glycol, fatty hydrocarbon ils.
4. the seal gum as described in claim 1 or 4, is characterized in that: described softening agent comprises Di Iso Decyl Phthalate, diisononyl phthalate, dimixo-octyl phthalate.
5. seal gum as claimed in claim 1, is characterized in that: described filler is surface treated nano-calcium carbonate, and particle diameter is between 30-300.
6. seal gum as claimed in claim 1, is characterized in that: described stablizer is a kind of of hindered amine as light stabilizer, benzotriazole light stabilizer.
7. seal gum as claimed in claim 1, is characterized in that: described water-removal agent is vinyl alkoxy silane class.
8. the seal gum as described in claim 1 or 7, is characterized in that: described water-removal agent comprises vinyltrimethoxy silane, vinyltriethoxysilane, vinyl methyl dimethoxysilane.
9. seal gum as claimed in claim 1, is characterized in that described adhesion promoter is alkoxy silane compound.
10. the seal gum as described in claim 1 or 9, is characterized in that: described adhesion promoter comprises aminopropyl triethoxysilane, aminopropyl trimethoxysilane, urea groups propyl-triethoxysilicane, aminophenyl dimethoxy silane, glycidoxy-propyltrimethoxy silane.
11. seal gums as claimed in claim 1, is characterized in that described catalyzer is organic tin catalyzer.
12. seal gums as described in claim 1-11, is characterized in that: described catalyzer is one or more of stannous octoate, butyric acid tin, dibutyltin diacetate, two sad dibutyl tins, dibutyl tin laurate.
13. seal gums as claimed in claim 1, is characterized in that: described pigment is titanium dioxide, comprise anatase thpe white powder, Rutile type Titanium Dioxide.
The preparation method of 14. 1 kinds of acrylic resin modification end silylated polyether seal gums, comprises the following steps:
(1) add silane modified polyether compound, softening agent, stablizer, pigment, after stirring, vacuumize and stir;
(2) add filler in batches, vacuumize stirring;
(3) be warmed up to 90-110 ℃ of insulation;
(4) cool to below 40 ℃, add water-removal agent to vacuumize stirring;
(5) add adhesion promoter, vacuumize stirring;
(6) add catalyzer, vacuumize stirring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410273369.XA CN104087229A (en) | 2014-06-18 | 2014-06-18 | Acrylic resin-modified silane-terminated polyether sealant and preparation method thereof |
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| CN201410273369.XA CN104087229A (en) | 2014-06-18 | 2014-06-18 | Acrylic resin-modified silane-terminated polyether sealant and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106893484A (en) * | 2017-03-15 | 2017-06-27 | 广东普赛达密封粘胶有限公司 | A kind of silane modified polyether seal glue silane coupling agent and its preparation method and application |
| CN107603549A (en) * | 2017-09-18 | 2018-01-19 | 广西华纳新材料科技有限公司 | A kind of high resiliency silane modified polyether seal glue and preparation method thereof |
| CN109135650A (en) * | 2018-08-06 | 2019-01-04 | 宁波联城住工科技有限公司 | One-component silane modified polyether seal glue and preparation method thereof |
| CN110041871A (en) * | 2019-04-11 | 2019-07-23 | 上海东大化学有限公司 | A kind of silane modified polyether seal glue and preparation method thereof |
| CN110903800A (en) * | 2019-12-12 | 2020-03-24 | 湖南柯盛新材料有限公司 | Building sealant and preparation method thereof |
| CN111269674A (en) * | 2020-03-31 | 2020-06-12 | 杭州之江新材料有限公司 | Silyl-terminated polyether-polyacrylate type sealant and preparation method thereof |
| CN111574930A (en) * | 2020-04-14 | 2020-08-25 | 广州集泰化工股份有限公司 | Silane modified polyether sealant and preparation method thereof |
| CN112094581A (en) * | 2020-03-13 | 2020-12-18 | 北京东方雨虹防水技术股份有限公司 | Solvent-free fast-curing reactive waterproof coating and preparation method thereof, and coil coating superposed waterproof structural system and construction method thereof |
| CN114058292A (en) * | 2021-12-30 | 2022-02-18 | 泰安乐邦环保科技有限公司 | Paint slag composite powder material and modified silane polyether adhesive prepared from same |
| CN114672274A (en) * | 2022-04-26 | 2022-06-28 | 烟台泰盛精化科技有限公司 | Acrylic acid modified MS sealant and preparation method thereof |
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| CN1995140A (en) * | 2005-12-28 | 2007-07-11 | 北京市天山新材料技术公司 | Single component silane modified polyether seal glue and its preparation method |
| CN102994034A (en) * | 2012-09-29 | 2013-03-27 | 北京东方雨虹防水技术股份有限公司 | Low-modulus single-component silane modified polyether sealing gum and preparation method thereof |
| CN104031594A (en) * | 2014-04-14 | 2014-09-10 | 广东信翼新材料股份有限公司 | Environment-friendly silane modified polyether industrial sealant |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1995140A (en) * | 2005-12-28 | 2007-07-11 | 北京市天山新材料技术公司 | Single component silane modified polyether seal glue and its preparation method |
| CN102994034A (en) * | 2012-09-29 | 2013-03-27 | 北京东方雨虹防水技术股份有限公司 | Low-modulus single-component silane modified polyether sealing gum and preparation method thereof |
| CN104031594A (en) * | 2014-04-14 | 2014-09-10 | 广东信翼新材料股份有限公司 | Environment-friendly silane modified polyether industrial sealant |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106893484A (en) * | 2017-03-15 | 2017-06-27 | 广东普赛达密封粘胶有限公司 | A kind of silane modified polyether seal glue silane coupling agent and its preparation method and application |
| CN107603549A (en) * | 2017-09-18 | 2018-01-19 | 广西华纳新材料科技有限公司 | A kind of high resiliency silane modified polyether seal glue and preparation method thereof |
| CN109135650A (en) * | 2018-08-06 | 2019-01-04 | 宁波联城住工科技有限公司 | One-component silane modified polyether seal glue and preparation method thereof |
| CN110041871A (en) * | 2019-04-11 | 2019-07-23 | 上海东大化学有限公司 | A kind of silane modified polyether seal glue and preparation method thereof |
| CN110903800A (en) * | 2019-12-12 | 2020-03-24 | 湖南柯盛新材料有限公司 | Building sealant and preparation method thereof |
| CN110903800B (en) * | 2019-12-12 | 2022-03-04 | 湖南柯盛新材料有限公司 | Building sealant and preparation method thereof |
| CN112094581A (en) * | 2020-03-13 | 2020-12-18 | 北京东方雨虹防水技术股份有限公司 | Solvent-free fast-curing reactive waterproof coating and preparation method thereof, and coil coating superposed waterproof structural system and construction method thereof |
| CN111269674A (en) * | 2020-03-31 | 2020-06-12 | 杭州之江新材料有限公司 | Silyl-terminated polyether-polyacrylate type sealant and preparation method thereof |
| CN111574930A (en) * | 2020-04-14 | 2020-08-25 | 广州集泰化工股份有限公司 | Silane modified polyether sealant and preparation method thereof |
| CN111574930B (en) * | 2020-04-14 | 2021-12-14 | 广州集泰化工股份有限公司 | Silane modified polyether sealant and preparation method thereof |
| CN114058292A (en) * | 2021-12-30 | 2022-02-18 | 泰安乐邦环保科技有限公司 | Paint slag composite powder material and modified silane polyether adhesive prepared from same |
| CN114672274A (en) * | 2022-04-26 | 2022-06-28 | 烟台泰盛精化科技有限公司 | Acrylic acid modified MS sealant and preparation method thereof |
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Application publication date: 20141008 |