CN104893652B - A kind of high temperature resistant silicone rubber adhesive resistant to chemical etching and preparation method thereof - Google Patents
A kind of high temperature resistant silicone rubber adhesive resistant to chemical etching and preparation method thereof Download PDFInfo
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- CN104893652B CN104893652B CN201510365598.9A CN201510365598A CN104893652B CN 104893652 B CN104893652 B CN 104893652B CN 201510365598 A CN201510365598 A CN 201510365598A CN 104893652 B CN104893652 B CN 104893652B
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Abstract
The invention discloses a kind of high temperature resistant silicone rubber adhesive resistant to chemical etching and preparation method thereof, it is formulated by the raw material of following weight portion：Line style dimethyl polysiloxane rubber 80 100, neoprene 20 30, triisopropanolamine ring borate 24, N [3（Trimethoxy silicon substrate）Propyl group] n-butylamine 58, methyl methacrylate 68, glycol monoethyl ether 67, alumina silicate 34, kaolin 10 15, bone meal 12 16, aquadag powder 20 30, fumed silica 79, zinc oxide 5 10, the beautiful powder 10 12 of silicon, nano titanium carbide 57, lithium soap stone flour 46, dibutyl tin laurate 35, isooctyl acid magnesium 8 10, maleic anhydride modified ester gum 46, urethane acrylate 57, diisooctyl phenyl phosphite 48, 2, 5 dimethyl 2, 5 di-t-butyl hexane peroxides 68, propylgallate 59, 4, 4' dioctyl diphenylamines 78.Obtained silicone rubber adhesive of the invention has the performances such as excellent adhesion strength, heat endurance, heat-resisting quantity and chemical resistance.
Description
Technical field
The present invention relates to a kind of adhesive, a kind of high temperature resistant silicone rubber adhesive resistant to chemical etching is concretely related to
And preparation method thereof.
Background technology
Silicone rubber adhesive is one-component transparency liquid, main silicon rubber and metal, resin, glass fibre, ceramics relatively
Bonding hot vulcanization.Silicon rubber is gathered in the presence of acid or base catalyst by dimethylsiloxane monomer and other organic silicon monomers
The class linear polymeric elastomer for closing, another feature of silicon rubber chemical constitution is saturability high, with heat very high
Stability, remarkable resistance to ag(e)ing and excellent cryogenic property, are preferable vibration-absorptive materials.With in the science and techniques of defence and work
Extensive use in industry construction, silicon rubber also turns into a more and more important research field with plastics, the Nian Jie of metal.Silicon rubber
Viscose binder without hot setting, thus is widely used in the bonding of high temperature resistant element, in recent years, to list due to easy to use
The research of component adhesive is just concentrated mainly on new cross-linking system, mechanism of crosslinking, effective catalyst preparation, Thermal degradation mechanism etc.
Several aspects, silicon rubber has excellent resistance to elevated temperatures in itself, typically can at 200 DEG C long-term use, but with modern section
The progress of skill, requirement higher is proposed to its heat resistance, viscous to silicon rubber especially with the development of Aeronautics and Astronautics technology
The heat resistance of mixture and requirement more and more higher resistant to chemical etching.
The content of the invention
It is an object of the invention to provide a kind of high temperature resistant silicone rubber adhesive resistant to chemical etching and preparation method thereof.
To reach above-mentioned purpose, the technical solution used in the present invention is：
A kind of high temperature resistant silicone rubber adhesive resistant to chemical etching, is formulated by the raw material of following weight portion：Line style two
Methyl polysiloxane rubber 80-100, neoprene 20-30, triisopropanolamine ring borate 2-4, N- [3-（Trimethoxy silicon
Base）Propyl group] n-butylamine 5-8, methyl methacrylate 6-8, glycol monoethyl ether 6-7, alumina silicate 3-4, kaolin 10-15, bone
Powder 12-16, aquadag powder 20-30, fumed silica 7-9, zinc oxide 5-10, the beautiful powder 10-12 of silicon, nano titanium carbide 5-
7th, lithium soap stone flour 4-6, dibutyl tin laurate 3-5, isooctyl acid magnesium 8-10, maleic anhydride modified ester gum 4-6, poly- ammonia
Ester acrylate 5-7, no the di-t-butyl hexane peroxide 6-8 of diisooctyl phenyl phosphite 4-8,2,5- dimethyl -2,5, food
Sub- propyl propionate 5-9,4,4'- dioctyl diphenylamine 7-8.
A kind of preparation method of high temperature resistant silicone rubber adhesive resistant to chemical etching, comprises the following steps：
（1）To in mill add kaolin, bone meal, aquadag powder, fumed silica, zinc oxide, the beautiful powder of silicon,
Nano titanium carbide, lithium soap stone flour, are warming up to 80-100 DEG C of stirring 40-60s, add triisopropanolamine ring borate, N- [3-
（Trimethoxy silicon substrate）Propyl group] n-butylamine, methyl methacrylate, high-speed stirred 6-8min, is premixed at 100-120 DEG C
Material；
（2）By line style dimethyl polysiloxane rubber, neoprene feeding chemical reaction kettle, with the rotating speed of 50-80r/min
Stirring, is warming up to 60-80 DEG C to chemical reaction kettle interlayer feeding steam while stirring, is subsequently adding glycol monoethyl ether, silicic acid
Aluminium, dibutyl tin laurate, isooctyl acid magnesium, maleic anhydride modified ester gum, urethane acrylate, the benzene of phosphorous acid one
Di-isooctyl, 2,5- dimethyl -2,5 di-t-butyl hexane peroxides, propylgallate, 4,4'- dioctyl diphenylamines etc.,
Stirring reaction 30-40min hours, steam is then shut off, material in kettle is placed stand-by after being cooled to normal temperature；
（3）By step（1）The premix for obtaining and step（2）Material in the chemical reaction kettle for obtaining is while send into high pressure
Homogenizer, adjust high pressure homogenizer in temperature be 30-35 DEG C, extruded under conditions of insulation, impacted, decompression expansion it is triple
Effect carry out it is homogeneous, the homogeneous time be 60-80min after obtain high temperature resistant silicone rubber adhesive resistant to chemical etching.
Beneficial effects of the present invention：
Coupling agent N- [the 3- of present invention addition（Trimethoxy silicon substrate）Propyl group] n-butylamine surface functional group and adhesive
Generation condensation reaction, the curing rate of raising adhesive, the adhesion strength of raising adhesive surface, the nano titanium carbide of addition,
Aquadag powder improves the heat endurance of adhesive, improves the heat-resisting quantity of adhesive, and fumed silica improves adhesive
Tensile strength, tear resistance and wearability, the beautiful powder of silicon of addition, maleic anhydride modified ester gum, lithium soap stone flour, silicic acid
Aluminium, etc. other functions additive can make the adhesive there is the performance such as resistant to chemical etching well.
Specific embodiment
Technical scheme of the present invention is further described with reference to specific embodiment.
Embodiment 1：
A kind of high temperature resistant silicone rubber adhesive resistant to chemical etching, by following weight portion（kg）Raw material be formulated：Line
Type dimethyl polysiloxane rubber 80, neoprene 20, triisopropanolamine ring borate 2, N- [3-（Trimethoxy silicon substrate）Third
Base] n-butylamine 5, methyl methacrylate 6, glycol monoethyl ether 6, alumina silicate 3, kaolin 10, bone meal 12, aquadag powder
20th, the beautiful powder 10 of fumed silica 7, zinc oxide 5, silicon, nano titanium carbide 5, lithium soap stone flour 4, dibutyl tin laurate 3,
Isooctyl acid magnesium 8, maleic anhydride modified ester gum 4, urethane acrylate 5, diisooctyl phenyl phosphite 4,2,5- bis-
The di-t-butyl hexane peroxide of methyl -2,5 6, propylgallate 5,4,4'- dioctyl diphenylamines 7.
A kind of preparation method of high temperature resistant silicone rubber adhesive resistant to chemical etching is comprised the following steps：
（1）To in mill add kaolin, bone meal, aquadag powder, fumed silica, zinc oxide, the beautiful powder of silicon,
Nano titanium carbide, lithium soap stone flour, are warming up to 80-100 DEG C of stirring 40-60s, add triisopropanolamine ring borate, N- [3-
（Trimethoxy silicon substrate）Propyl group] n-butylamine, methyl methacrylate, high-speed stirred 6-8min, is premixed at 100-120 DEG C
Material；
（2）By line style dimethyl polysiloxane rubber, neoprene feeding chemical reaction kettle, with the rotating speed of 50-80r/min
Stirring, is warming up to 60-80 DEG C to chemical reaction kettle interlayer feeding steam while stirring, is subsequently adding glycol monoethyl ether, silicic acid
Aluminium, dibutyl tin laurate, isooctyl acid magnesium, maleic anhydride modified ester gum, urethane acrylate, the benzene of phosphorous acid one
Di-isooctyl, 2,5- dimethyl -2,5 di-t-butyl hexane peroxides, propylgallate, 4,4'- dioctyl diphenylamines etc.,
Stirring reaction 30-40min hours, steam is then shut off, material in kettle is placed stand-by after being cooled to normal temperature；
（3）By step（1）The premix for obtaining and step（2）Material in the chemical reaction kettle for obtaining is while send into high pressure
Homogenizer, adjust high pressure homogenizer in temperature be 30-35 DEG C, extruded under conditions of insulation, impacted, decompression expansion it is triple
Effect carry out it is homogeneous, the homogeneous time be 60-80min after obtain high temperature resistant silicone rubber adhesive resistant to chemical etching.
Embodiment 2：
A kind of high temperature resistant silicone rubber adhesive resistant to chemical etching, by following weight portion（kg）Raw material be formulated：Line
Type dimethyl polysiloxane rubber 90, neoprene 25, triisopropanolamine ring borate 3, N- [3-（Trimethoxy silicon substrate）Third
Base] n-butylamine 6.5, methyl methacrylate 7, glycol monoethyl ether 6.5, alumina silicate 3.5, kaolin 12.5, bone meal 14, glue
The beautiful powder 11 of body graphite powder 25, fumed silica 8, zinc oxide 7.5, silicon, nano titanium carbide 6, lithium soap stone flour 5, tin dilaurate
Dibutyl tin 4, isooctyl acid magnesium 9, maleic anhydride modified ester gum 5, urethane acrylate 6, the benzene two of phosphorous acid one are different pungent
Ester 6, the di-t-butyl hexane peroxide 7 of 2,5- dimethyl -2,5, propylgallate 7,4,4'- dioctyl diphenylamines 7.5.
Preparation method is with embodiment 1.
Embodiment 3：
A kind of high temperature resistant silicone rubber adhesive resistant to chemical etching, by following weight portion（kg）Raw material be formulated：Line
Type dimethyl polysiloxane rubber 100, neoprene 30, triisopropanolamine ring borate 4, N- [3-（Trimethoxy silicon substrate）Third
Base] n-butylamine 8, methyl methacrylate 8, glycol monoethyl ether 7, alumina silicate 4, kaolin 10-15, bone meal 16, aquadag
The beautiful powder 12 of powder 30, fumed silica 9, zinc oxide 10, silicon, nano titanium carbide 7, lithium soap stone flour 6, dibutyl tin laurate
5th, isooctyl acid magnesium 10, maleic anhydride modified ester gum 6, urethane acrylate 7, diisooctyl phenyl phosphite 8,2,5-
The di-t-butyl hexane peroxide of dimethyl -2,5 8, propylgallate 9,4,4'- dioctyl diphenylamines 8.
Preparation method is with embodiment 1.
The performance test results such as following table of the silicone rubber adhesive resistant to chemical etching of high temperature resistant obtained in above-described embodiment 1-3
It is shown：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Curing rate（25 DEG C of temperature, humidity 50%）, | 15 | 14 | 13 |
| Tensile strength, Mpa | 1.2 | 1.4 | 1.5 |
| Tearing strength, KN/m | 3.3 | 3.2 | 3.4 |
| Elongation, % | 134 | 142 | 136 |
| Shear strength（250℃,2h）, Mpa | 1.86 | 1.94 | 1.88 |
Claims (1)
1. a kind of high temperature resistant silicone rubber adhesive resistant to chemical etching, it is characterised in that prepared by the raw material of following weight portion and
Into：Line style dimethyl polysiloxane rubber 80-100, neoprene 20-30, triisopropanolamine ring borate 2-4, N- [3-（Three
Methoxyl group silicon substrate）Propyl group] n-butylamine 5-8, methyl methacrylate 6-8, glycol monoethyl ether 6-7, alumina silicate 3-4, kaolin
10-15, bone meal 12-16, aquadag powder 20-30, fumed silica 7-9, zinc oxide 5-10, the beautiful powder 10-12 of silicon, nanometer
Titanium carbide 5-7, lithium soap stone flour 4-6, dibutyl tin laurate 3-5, isooctyl acid magnesium 8-10, maleic anhydride modified ester gum
4-6, urethane acrylate 5-7, the di-t-butyl hexane peroxide of diisooctyl phenyl phosphite 4-8,2,5- dimethyl -2,5
6-8, propylgallate 5-9,4,4'- dioctyl diphenylamine 7-8；
The preparation method of described high temperature resistant silicone rubber adhesive resistant to chemical etching, comprises the following steps：
（1）To addition kaolin, bone meal, aquadag powder, fumed silica, zinc oxide, the beautiful powder of silicon, nanometer in mill
Titanium carbide, lithium soap stone flour, are warming up to 80-100 DEG C of stirring 40-60s, add triisopropanolamine ring borate, N- [3-（Front three
Epoxide silicon substrate）Propyl group] n-butylamine, methyl methacrylate, high-speed stirred 6-8min, obtains premix at 100-120 DEG C；
（2）By line style dimethyl polysiloxane rubber, neoprene feeding chemical reaction kettle, stirred with the rotating speed of 50-80r/min
Mix, while stirring to chemical reaction kettle interlayer feeding steam be warming up to 60-80 DEG C, be subsequently adding glycol monoethyl ether, alumina silicate,
Dibutyl tin laurate, isooctyl acid magnesium, maleic anhydride modified ester gum, urethane acrylate, the benzene two of phosphorous acid one
Different monooctyl ester, 2,5- dimethyl -2,5 di-t-butyl hexane peroxides, propylgallate, 4,4'- dioctyl diphenylamines, stirring
Reaction 30-40min hours, is then shut off steam, and material in kettle is placed into stand-by after being cooled to normal temperature；
（3）By step（1）The premix for obtaining and step（2）Material in the chemical reaction kettle for obtaining is while send into high pressure homogenization
Machine, adjust high pressure homogenizer in temperature be 30-35 DEG C, extruded under conditions of insulation, impacted, decompression expansion triple role
Carry out it is homogeneous, the homogeneous time be 60-80min after obtain high temperature resistant silicone rubber adhesive resistant to chemical etching.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107304238A (en) * | 2016-04-20 | 2017-10-31 | 天津市有为印刷包装有限公司 | A kind of printing ink powder adhesive composition and preparation method thereof |
| CN107805453A (en) * | 2017-11-21 | 2018-03-16 | 成都顺宏鑫机械有限公司 | Wear-resisting waterproof feed belt |
| CN108976868A (en) * | 2018-08-08 | 2018-12-11 | 开化诚信树脂有限公司 | A kind of rosin resin resistant to high temperature and preparation method thereof |
| CN116496753B (en) * | 2023-06-29 | 2023-08-25 | 广州以恒有机硅有限公司 | High-performance organic silicon sealant and preparation method thereof |
Citations (4)
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|---|---|---|---|---|
| US4546017A (en) * | 1984-01-14 | 1985-10-08 | Dow Corning Limted | Organopolysiloxane composition curable to an elastomer and use thereof |
| CN101638518A (en) * | 2009-09-09 | 2010-02-03 | 成都硅宝科技股份有限公司 | Room-temperature vulcanized silicone rubber resisting acid-gas corrosion and high temperature and preparation method thereof |
| CN101792653A (en) * | 2010-03-19 | 2010-08-04 | 江苏明昊新材料科技有限公司 | Sealant for acrylic ester modified solar photovoltaic module and preparation method thereof |
| CN104194676A (en) * | 2014-08-26 | 2014-12-10 | 安徽神舟飞船胶业有限公司 | Formula and preparation process of transparent chloroprene-polysiloxane sealant |
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2015
- 2015-06-29 CN CN201510365598.9A patent/CN104893652B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546017A (en) * | 1984-01-14 | 1985-10-08 | Dow Corning Limted | Organopolysiloxane composition curable to an elastomer and use thereof |
| CN101638518A (en) * | 2009-09-09 | 2010-02-03 | 成都硅宝科技股份有限公司 | Room-temperature vulcanized silicone rubber resisting acid-gas corrosion and high temperature and preparation method thereof |
| CN101792653A (en) * | 2010-03-19 | 2010-08-04 | 江苏明昊新材料科技有限公司 | Sealant for acrylic ester modified solar photovoltaic module and preparation method thereof |
| CN104194676A (en) * | 2014-08-26 | 2014-12-10 | 安徽神舟飞船胶业有限公司 | Formula and preparation process of transparent chloroprene-polysiloxane sealant |
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Effective date of registration: 20200313 Address after: Group 2, Committee 17, Tiexi street, Yinzhou District, Tieling City, Liaoning Province Patentee after: Tieling Jiali rubber plastic products Co., Ltd Address before: 325000 Zhejiang city of Wenzhou province Ruian City Tangxia Town Road No. 142 Patentee before: Hu Tianli |