CN103031748B - Single-component heat-curing silk-screen printing silica gel and preparation method thereof - Google Patents
Single-component heat-curing silk-screen printing silica gel and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a single-component heat-curing silk-screen printing silica gel and a preparation method thereof. The silk-screen printing silica gel is convenient to use and operate, and high in adhesion, and does not block a silk screen easily. With the adoption of the method, the surface drying time of the silk-screen printing silica gel at room temperature is effectively prolonged, a problem that the traditional single-component silk-screen printing silica gel blocks the silk screen is solved, the production efficiency of the single-component silk-screen printing silica gel and the traditional double-component silk-screen printing silica gel is the same through heat forming and curing in a using process, and the single-component silk-screen printing silica gel is excellent in adhesive strength, and wider in application scope.
Description
Technical field
The present invention relates to a kind of silk-screen silica-gel and preparation method thereof, particularly relate to a kind of one-component heat-curing type silk-screen silica-gel and preparation method thereof.
Background technology
Silk-screen silica-gel is a kind of by serigraphy, can adhere to the special silica-gel of textile surface securely.There is environmental protection, chromatography can be printed, adhesive force is good, intensity is high, the soft exquisiteness of feel, third dimension is strong, decorative effect is attractive in appearance, excellent performance, the feature such as nontoxic.Current silk-screen silica-gel has two kinds, and one is two component silk-screen silica-gel, could use, and need at 120-160 DEG C of baking-curing after needing A, B two kinds of silica gel mixing.Another is the one pack system silica gel without the need to baking, within room temperature 6-10 minute, is that nature dries.The former can use for a long time and there will not be phenomenon such as plug net etc., but needs to toast, and to the cloth of part material or fabric adhesive force poor.Do not need baking after the latter's printing, but easily fill in net, therefore constantly will change silica gel when printing, waste more, be generally applicable to adopt the material of A, B silica gel or the printing of fabric.
Summary of the invention
The object of the invention is to overcome defect of the prior art, a kind of one-component heat-curing type silk-screen silica-gel and preparation method thereof be provided, described silk-screen silica-gel use easy to operate, not easily fill in net, strong adhesion, applied widely.
The present invention is achieved by the following technical programs.
A kind of one-component heat-curing type silk-screen silica-gel, the constituent of described silk-screen silica-gel is as follows by parts by mass:
Described base-material is by the α of 100 parts, and the filler of alpha, omega-dihydroxy polydimethyl siloxane and 5-200 part joins in vacuum kneader, and maintenance temperature is 100-150 DEG C, and vacuum is that the blended 30-200 minute that dewaters under 0.06-0.095MPa obtains.
Above-mentioned a kind of one-component heat-curing type silk-screen silica-gel, wherein, described α, the viscosity of alpha, omega-dihydroxy polydimethyl siloxane is 1500-20000 centipoise.
Above-mentioned a kind of one-component heat-curing type silk-screen silica-gel, wherein, described filler is at least one in nano-calcium carbonate, fume colloidal silica, precipitated silica, diatomite, silicon powder and organobentonite.
Above-mentioned a kind of one-component heat-curing type silk-screen silica-gel, wherein, described plasticizer is at least one in viscosity methyl-silicone oil, white oil and the alkoxyl silicone oil moored in 50-500.
Above-mentioned a kind of one-component heat-curing type silk-screen silica-gel, wherein, described crosslinking agent is at least one in methyl tributanoximo silane, vinyl tributyl ketoximyl silane, phenyl tributanoximo silane and four diacetylmonoxime base silanes.
Above-mentioned a kind of one-component heat-curing type silk-screen silica-gel, wherein, described coupling agent is at least one in gamma-aminopropyl-triethoxy-silane, N-β-aminoethyl-γ-aminopropyltrimethoxysilane, two (γ-trimethoxy-silylpropyl) amine and γ-glycidyl ether oxygen propyl trimethoxy silicane.
Above-mentioned a kind of one-component heat-curing type silk-screen silica-gel, wherein, described catalyst is at least one in isopropyl titanate, butyl titanate, two (ethyl acetoacetate) two (isopropoxy) titanate esters complex compound and two (acetylacetone,2,4-pentanedione) two (isopropoxy) titanate esters complex compound.
A kind of preparation method of one-component heat-curing type silk-screen silica-gel, preparation process is as follows: by α, alpha, omega-dihydroxy polydimethyl siloxane and filler join in vacuum kneader, maintenance temperature is 100-150 DEG C, vacuum is the blended 30-200 minute that dewaters under 0.06-0.095MPa, be cooled to room temperature and obtain base-material, then at room temperature by base-material, crosslinking agent, be uniformly mixed in the stirred tank that coupling agent and plasticizer join high speed dispersion, be 0.06-0.095MPa in vacuum, rotating speed is stir 60-180 minute under the condition of 20-600rpm, and then add catalyst, be 0.06-0.095MPa in vacuum, rotating speed is stir discharging after 60-180 minute under the condition of 20-600rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
Silk-screen silica-gel of the present invention use easy to operate, not easily fill in net, strong adhesion.Described method extends silk-screen silica-gel surface drying time at room temperature effectively, solve the plug net problem of traditional one-component silk-screen silica-gel, the one-component silk-screen silica-gel production efficiency identical with traditional two component silk-screen silica-gel is imparted by hot briquetting solidification in use procedure, and there is excellent adhesion strength, the scope of application is wider.
Detailed description of the invention
Embodiment 1
By α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and nano-calcium carbonate 200 parts join in vacuum kneader, temperature is kept to be 100 DEG C, vacuum is dewater under 0.06MPa blended 120 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, methyl tributanoximo silane 5 parts, vinyl tributyl ketoximyl silane 5 parts, be uniformly mixed in the stirred tank that gamma-aminopropyl-triethoxy-silane 2 parts and methyl-silicone oil 10 parts join high speed dispersion, be 0.06MPa in vacuum, rotating speed is stir 120 minutes under the condition of 100rpm, and then add 0.01 part, two (ethyl acetoacetate) two (isopropoxy) titanate esters complex compound, be 0.06MPa in vacuum, rotating speed is stir discharging after 120 minutes under the condition of 100rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
Embodiment 2
By α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and nano-calcium carbonate 5 parts join in vacuum kneader, temperature is kept to be 120 DEG C, vacuum is dewater under 0.06MPa blended 30 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, methyl tributanoximo silane 10 parts, be uniformly mixed in the stirred tank that gamma-aminopropyl-triethoxy-silane 0.5 part and methyl-silicone oil 3 parts join high speed dispersion, be 0.06MPa in vacuum, rotating speed is stir 60 minutes under the condition of 20rpm, and then add 0.1 part, two (ethyl acetoacetate) two (isopropoxy) titanate esters complex compound, be 0.06MPa in vacuum, rotating speed is stir discharging after 120 minutes under the condition of 100rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
Embodiment 3
By α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and fume colloidal silica 25 parts, 50 parts, diatomite joins in vacuum kneader, temperature is kept to be 120 DEG C, vacuum is dewater under 0.07MPa blended 90 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, vinyl tributyl ketoximyl silane 10 parts, be uniformly mixed in the stirred tank that N-β-aminoethyl-γ-aminopropyltrimethoxysilane 0.9 part and white oil 15 parts join high speed dispersion, be 0.07MPa in vacuum, rotating speed is stir 120 minutes under the condition of 200rpm, and then add isopropyl titanate 0.3 part, be 0.07MPa in vacuum, rotating speed is stir discharging after 120 minutes under the condition of 200rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
Embodiment 4
By α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and silicon powder 100 parts, organobentonite 50 parts joins in vacuum kneader, temperature is kept to be 140 DEG C, vacuum is dewater under 0.08MPa blended 150 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, methyl tributanoximo silane 7 parts, phenyl tributanoximo silane 3 parts, gamma-aminopropyl-triethoxy-silane 1 part, two (γ-trimethoxy-silylpropyl) amine 1.2 parts, be uniformly mixed in the stirred tank that methyl-silicone oil 15 parts and alkoxyl silicone oil 15 parts join high speed dispersion, be 0.08MPa in vacuum, rotating speed is stir 180 minutes under the condition of 400rpm, and then add butyl titanate 0.1 part, 0.1 part, two (ethyl acetoacetate) two (isopropoxy) titanate esters complex compound, be 0.08MPa in vacuum, rotating speed is stir discharging after 180 minutes under the condition of 400rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
Embodiment 5
By α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and precipitated silica 80 parts, silicon powder 120 parts joins in vacuum kneader, temperature is kept to be 150 DEG C, vacuum is dewater under 0.095MPa blended 200 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, vinyl tributyl ketoximyl silane 10 parts, four diacetylmonoxime base silanes 5 parts, γ-glycidyl ether oxygen propyl trimethoxy silicane 1.5 parts, N-β-aminoethyl-γ-aminopropyltrimethoxysilane 1.5 parts, be uniformly mixed in the stirred tank that methyl-silicone oil 15 parts and white oil 25 parts join high speed dispersion, be 0.095MPa in vacuum, rotating speed is stir discharging after 60 minutes under the condition of 600rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
The performance indications of silk-screen silica-gel of the present invention are as follows:
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (5)
1. an one-component heat-curing type silk-screen silica-gel, it is characterized in that, as follows by parts by mass: by α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and nano-calcium carbonate 200 parts join in vacuum kneader, temperature is kept to be 100 DEG C, vacuum is dewater under 0.06MPa blended 120 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, methyl tributanoximo silane 5 parts, vinyl tributyl ketoximyl silane 5 parts, be uniformly mixed in the stirred tank that gamma-aminopropyl-triethoxy-silane 2 parts and methyl-silicone oil 10 parts join high speed dispersion, be 0.06MPa in vacuum, rotating speed is stir 120 minutes under the condition of 100rpm, and then add 0.01 part, two (ethyl acetoacetate) two (isopropoxy) titanate esters complex compound, be 0.06MPa in vacuum, rotating speed is stir discharging after 120 minutes under the condition of 100rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
2. an one-component heat-curing type silk-screen silica-gel, it is characterized in that, as follows by parts by mass: by α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and nano-calcium carbonate 5 parts join in vacuum kneader, temperature is kept to be 120 DEG C, vacuum is dewater under 0.06MPa blended 30 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, methyl tributanoximo silane 10 parts, be uniformly mixed in the stirred tank that gamma-aminopropyl-triethoxy-silane 0.5 part and methyl-silicone oil 3 parts join high speed dispersion, be 0.06MPa in vacuum, rotating speed is stir 60 minutes under the condition of 20rpm, and then add 0.1 part, two (ethyl acetoacetate) two (isopropoxy) titanate esters complex compound, be 0.06MPa in vacuum, rotating speed is stir discharging after 120 minutes under the condition of 100rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
3. an one-component heat-curing type silk-screen silica-gel, it is characterized in that, as follows by parts by mass: by α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and fume colloidal silica 25 parts, 50 parts, diatomite joins in vacuum kneader, temperature is kept to be 120 DEG C, vacuum is dewater under 0.07MPa blended 90 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, vinyl tributyl ketoximyl silane 10 parts, be uniformly mixed in the stirred tank that N-β-aminoethyl-γ-aminopropyltrimethoxysilane 0.9 part and white oil 15 parts join high speed dispersion, be 0.07MPa in vacuum, rotating speed is stir 120 minutes under the condition of 200rpm, and then add isopropyl titanate 0.3 part, be 0.07MPa in vacuum, rotating speed is stir discharging after 120 minutes under the condition of 200rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
4. an one-component heat-curing type silk-screen silica-gel, it is characterized in that, as follows by parts by mass: by α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and silicon powder 100 parts, organobentonite 50 parts joins in vacuum kneader, temperature is kept to be 140 DEG C, vacuum is dewater under 0.08MPa blended 150 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, methyl tributanoximo silane 7 parts, phenyl tributanoximo silane 3 parts, gamma-aminopropyl-triethoxy-silane 1 part, two (γ-trimethoxy-silylpropyl) amine 1.2 parts, be uniformly mixed in the stirred tank that methyl-silicone oil 15 parts and alkoxyl silicone oil 15 parts join high speed dispersion, be 0.08MPa in vacuum, rotating speed is stir 180 minutes under the condition of 400rpm, and then add butyl titanate 0.1 part, 0.1 part, two (ethyl acetoacetate) two (isopropoxy) titanate esters complex compound, be 0.08MPa in vacuum, rotating speed is stir discharging after 180 minutes under the condition of 400rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
5. an one-component heat-curing type silk-screen silica-gel, it is characterized in that, as follows by parts by mass: by α, alpha, omega-dihydroxy polydimethyl siloxane 100 parts and precipitated silica 80 parts, silicon powder 120 parts joins in vacuum kneader, temperature is kept to be 150 DEG C, vacuum is dewater under 0.095MPa blended 200 minutes, be cooled to room temperature and obtain base-material, then at room temperature by base-material 100 parts, vinyl tributyl ketoximyl silane 10 parts, four diacetylmonoxime base silanes 5 parts, γ-glycidyl ether oxygen propyl trimethoxy silicane 1.5 parts, N-β-aminoethyl-γ-aminopropyltrimethoxysilane 1.5 parts, be uniformly mixed in the stirred tank that methyl-silicone oil 15 parts and white oil 25 parts join high speed dispersion, be 0.095MPa in vacuum, rotating speed is stir discharging after 60 minutes under the condition of 600rpm, one-component heat-curing type silk-screen silica-gel can be obtained.
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| CN104562775A (en) * | 2014-07-03 | 2015-04-29 | 东莞市良展有机硅科技有限公司 | Condensed type printing silica gel, preparation method and application |
| CN105178034A (en) * | 2015-11-04 | 2015-12-23 | 佛山市幸多新材料有限公司 | Single-component textile printing organic silica gel and preparation method thereof |
| CN110385858B (en) * | 2019-08-02 | 2020-06-26 | 厦门欧替埃电子工业有限公司 | Bonding device for producing connecting piece by using liquid silica gel |
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| JPH05125350A (en) * | 1991-08-09 | 1993-05-21 | Toyoda Gosei Co Ltd | Adhesive composition |
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| EP0644246A2 (en) * | 1993-09-17 | 1995-03-22 | Dow Corning Toray Silicone Company, Limited | Silicone compositions for the formation of cured release coatings |
| JP3535281B2 (en) * | 1995-08-31 | 2004-06-07 | 株式会社巴川製紙所 | Adhesive tape and liquid adhesive for electronic parts |
| CN101760172A (en) * | 2008-12-24 | 2010-06-30 | 湖北回天胶业股份有限公司 | Single-component dealcoholization-type organic silicon sealant |
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Address after: Yangzhong City Development Zone, Jiangsu city of Zhenjiang province 212211 Hong Kong Road No. 568 Patentee after: JIANGSU TIANCHEN NEW MATERIALS CO., LTD. Address before: Yangzhong City Development Zone, Jiangsu city of Zhenjiang province 212211 Hong Kong Road No. 568 Patentee before: JIANGSU TIANCHEN NEW MATERIALS CO., LTD. |