CN104371640A - Low-volatility single-component de-ketoxime type silicone rubber for lamps and preparation method of silicone rubber - Google Patents
Low-volatility single-component de-ketoxime type silicone rubber for lamps and preparation method of silicone rubber Download PDFInfo
- Publication number
- CN104371640A CN104371640A CN201410736722.3A CN201410736722A CN104371640A CN 104371640 A CN104371640 A CN 104371640A CN 201410736722 A CN201410736722 A CN 201410736722A CN 104371640 A CN104371640 A CN 104371640A
- Authority
- CN
- China
- Prior art keywords
- silicon rubber
- type silicon
- light fixture
- low volatility
- removing type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses low-volatility single-component de-ketoxime type silicone rubber for lamps. The silicone rubber comprises, by weight, 80-110 parts of a, omega-dyhydroxy polydimethyl siloxane, 50-100 parts of calcium carbonate, 1-10 parts of fumed silica, 1-10 parts of neutralizer, 5-30 parts of cross-linking agent, 0.5-5 parts of coupling agent and 0.01-1 part of catalyst, wherein the neutralizer is one or combination of hydrotalcite, aluminum silicate, magnesium silicate, zeolite, bamboo charcoal powder and organic isocyanate. The silicone rubber has the advantages the influence of ketoxime substances on PC materials is eliminated by lowering volatile content, and the rubber does not generate unpleasant smells during actual application, does not corrode and destroy the PC materials and good in cohesiveness.
Description
Technical field
The present invention relates to high molecule sealing materials technical field, particularly relate to a kind of light fixture low volatility single-component ketoxime removing type silicon rubber and preparation method thereof.
Background technology
Organosilicon material has excellent adhesiveproperties and weather resistance, and be widely used in the industries such as building, automobile, electronics, but ketoxime removing type silicon rubber can discharge ketoxime class material in crosslinking reaction process, the content of its fugitive constituent reaches 350 more than μ g/g.At present, prior art major part lamp base or lampshade are PC (polycarbonate) material, cause problem of Cracking because ketoxime class material can cause corrosion failure to PC material, therefore the use of ketoxime removing type silicon rubber on light fixture is restricted always.But, because the relative dealcoholized silicone rubber of the by product of ketoxime removing type silicon rubber in crosslinking reaction wants much less, therefore solve ketoxime removing type silicon rubber to the problem of PC material corrosive properties, application advantage widely will be brought for it.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of light fixture low volatility single-component ketoxime removing type silicon rubber is provided, by reducing volatile content, eliminating ketoxime class material to the impact of PC material.Another object of the present invention is to the preparation method that above-mentioned light fixture low volatility single-component ketoxime removing type silicon rubber is provided.
Object of the present invention is achieved by the following technical programs:
A kind of light fixture low volatility single-component ketoxime removing type silicon rubber provided by the invention, its raw material consists of by weight:
Described neutralizing agent is one in hydrotalcite, pure aluminium silicate, Magnesium Silicate q-agent, zeolite, bamboo carbon powder, organic isocyanate class or its combination.
Further, a of the present invention, the viscosity of alpha, omega-dihydroxy polydimethyl siloxane at 25 DEG C of temperature is 10000 ~ 80000mpa.s.Described calcium carbonate is the mixture of water-ground limestone and light calcium carbonate, by weight water-ground limestone: light calcium carbonate=0.1 ~ 10: 1; The median size of described calcium carbonate is 2 ~ 10 μm, and water ratio is lower than 0.1%.Described aerosil is through hydrophobic treatment, and its specific surface area is 200 ~ 240m
2/ g.Described linking agent is one in methyl tributanoximo silane, vinyl tributyl ketoximyl silane, phenyl tributanoximo silane, four Diacetylmonoxime base silanes, methyl tri acetylacetonate oximino silane or its combination.Described coupling agent is one in γ-aminopropyl triethoxysilane, γ-methacryloxypropyl trimethoxy silane, γ-mercaptopropyl trimethoxysilane, vinyltrimethoxy silane, Y-(2,3-epoxy third oxygen) propyl trimethoxy silicane, N-(β-aminoethyl)-Y-aminopropyl trimethoxysilane or its combination.Described catalyzer is one in dihydroxy acid dialkyl tin, the sub-tin of dihydroxy acid, 2-ethyl hexyl oxy titanic acid ester, titanium propanolate, butyl (tetra) titanate, di-n-butyl tin dilaurate tin, di-n-butyl two tin acetate or its combination.
Another object of the present invention is achieved by the following technical programs:
The preparation method of above-mentioned light fixture low volatility single-component ketoxime removing type silicon rubber provided by the invention is as follows: respectively formed by described raw material, under vacuum tightness-0.07 ~-0.1Mpa, stirring velocity 2 ~ 40Hz, be uniformly mixed 30 ~ 60min, namely discharging is filling obtains product.
The present invention has following beneficial effect:
(1) the present invention adds neutralizing agent with above-mentioned formula system, by absorbing ketoxime class material or reacting with ketoxime, reduce or neutralized the fugitive constituent of silicon rubber, eliminate ketoxime class material to the impact of PC material, do not produce bad smell in actual applications, to the corrosion-free destruction of PC material (cracking).
(2) cementability of the material such as silicon rubber of the present invention and PC is good, weathering resistance and environmental aging functional, surface drying time (min) is 6 ~ 10, hardness (shoreA) is 35 ~ 39, tensile strength (MPa) is 1.58 ~ 1.63, elongation at break (%) is 280 ~ 395, volume resistance (Ω .cm) is 1.1 × 10
15~ 1.5 × 10
15, voltage breakdown (kv/mm) is 15 ~ 16, fugitive constituent (μ g/g) is 74 ~ 105, and oozes out phenomenon without greasy dirt.
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment
A kind of light fixture low volatility single-component ketoxime removing type silicon rubber of the embodiment of the present invention, by a, alpha, omega-dihydroxy polydimethyl siloxane, calcium carbonate, aerosil, neutralizing agent, linking agent, coupling agent, catalyzer form.Wherein, calcium carbonate is the mixture of water-ground limestone and light calcium carbonate, and its water ratio is lower than 0.1%; Aerosil is through hydrophobic treatment.
Embodiment one:
1, a kind of light fixture low volatility single-component ketoxime removing type silicon rubber of the present embodiment, its raw material consists of by weight:
* coupling agent is: by weight N-(β-aminoethyl)-Y-aminopropyl trimethoxysilane: Y-(2,3-epoxy third oxygen) propyl trimethoxy silicane=3: the mixture of 1.
2, the preparation method of a kind of light fixture of the present embodiment low volatility single-component ketoxime removing type silicon rubber is as follows: respectively formed by above-mentioned raw materials, under vacuum tightness-0.09Mpa, stirring velocity 20Hz, be uniformly mixed 30min, namely discharging is filling obtains product.
Embodiment two:
1, a kind of light fixture low volatility single-component ketoxime removing type silicon rubber of the present embodiment, its raw material consists of by weight:
2, the preparation method of a kind of light fixture of the present embodiment low volatility single-component ketoxime removing type silicon rubber is as follows: respectively formed by above-mentioned raw materials, under vacuum tightness-0.09Mpa, stirring velocity 25Hz, be uniformly mixed 30min, namely discharging is filling obtains product.
Embodiment three:
1, a kind of light fixture low volatility single-component ketoxime removing type silicon rubber of the present embodiment, its raw material consists of by weight:
2, the preparation method of a kind of light fixture of the present embodiment low volatility single-component ketoxime removing type silicon rubber is as follows: respectively formed by above-mentioned raw materials, under vacuum tightness-0.08Mpa, stirring velocity 25Hz, be uniformly mixed 40min, namely discharging is filling obtains product.
Embodiment four:
1, a kind of light fixture low volatility single-component ketoxime removing type silicon rubber of the present embodiment, its raw material consists of by weight:
2, the preparation method of a kind of light fixture of the present embodiment low volatility single-component ketoxime removing type silicon rubber is as follows: respectively formed by above-mentioned raw materials, under vacuum tightness-0.09Mpa, stirring velocity 20Hz, be uniformly mixed 50min, namely discharging is filling obtains product.
Embodiment five:
1, a kind of light fixture low volatility single-component ketoxime removing type silicon rubber of the present embodiment, its raw material consists of by weight:
2, the preparation method of a kind of light fixture of the present embodiment low volatility single-component ketoxime removing type silicon rubber is as follows: respectively formed by above-mentioned raw materials, under vacuum tightness-0.09Mpa, stirring velocity 25Hz, be uniformly mixed 40min, namely discharging is filling obtains product.
Embodiment six:
1, a kind of light fixture low volatility single-component ketoxime removing type silicon rubber of the present embodiment, its raw material consists of by weight:
2, the preparation method of a kind of light fixture of the present embodiment low volatility single-component ketoxime removing type silicon rubber is as follows: respectively formed by above-mentioned raw materials, under vacuum tightness-0.09Mpa, stirring velocity 25Hz, be uniformly mixed 40min, namely discharging is filling obtains product.
Embodiment seven:
1, a kind of light fixture low volatility single-component ketoxime removing type silicon rubber of the present embodiment, its raw material consists of by weight:
2, the preparation method of a kind of light fixture of the present embodiment low volatility single-component ketoxime removing type silicon rubber is as follows: respectively formed by above-mentioned raw materials, under vacuum tightness-0.09Mpa, stirring velocity 25Hz, be uniformly mixed 40min, namely discharging is filling obtains product.
Embodiment eight:
1, a kind of light fixture low volatility single-component ketoxime removing type silicon rubber of the present embodiment, its raw material consists of by weight:
* coupling agent is: by weight γ-mercaptopropyl trimethoxysilane: N-(β-aminoethyl)-Y-aminopropyl trimethoxysilane: Y-(2,3-epoxy third oxygen) propyl trimethoxy silicane=1: the mixture of 2: 1.
2, the preparation method of a kind of light fixture of the present embodiment low volatility single-component ketoxime removing type silicon rubber is as follows: respectively formed by above-mentioned raw materials, under vacuum tightness-0.09Mpa, stirring velocity 25Hz, be uniformly mixed 40min, namely discharging is filling obtains product.
The performance test of the ketoxime removing type silicon rubber that various embodiments of the present invention obtain is as follows: the shore hardness testing colloid according to GB/T531; Surface drying time is tested according to GB/T13477.5; According to GB/T1692 test volume resistivity; Voltage breakdown is tested according to GB/T1695; Elongation at break and tensile strength is tested according to GB/T528; The corrodibility of PC is surveyed according to Q/B GZHN-ZJ-005; Fugitive constituent is tested according to PV3015.Test the performance index obtained as shown in table 1.
The performance index of the ketoxime removing type silicon rubber that table 1 various embodiments of the present invention obtain
A kind of light fixture low volatility single-component ketoxime removing type silicon rubber and preparation method thereof of the present invention, its reaction raw materials composition and preparation method's processing parameter are not limited to the above-mentioned embodiment enumerated.
Claims (8)
1. a light fixture low volatility single-component ketoxime removing type silicon rubber, is characterized in that its raw material consists of by weight:
Described neutralizing agent is one in hydrotalcite, pure aluminium silicate, Magnesium Silicate q-agent, zeolite, bamboo carbon powder, organic isocyanate class or its combination.
2. light fixture low volatility single-component ketoxime removing type silicon rubber according to claim 1, it is characterized in that: described a, the viscosity of alpha, omega-dihydroxy polydimethyl siloxane at 25 DEG C of temperature is 10000 ~ 80000mpa.s.
3. light fixture low volatility single-component ketoxime removing type silicon rubber according to claim 1, is characterized in that: described calcium carbonate is the mixture of water-ground limestone and light calcium carbonate, by weight water-ground limestone: light calcium carbonate=0.1 ~ 10: 1; The median size of described calcium carbonate is 2 ~ 10 μm, and water ratio is lower than 0.1%.
4. light fixture low volatility single-component ketoxime removing type silicon rubber according to claim 1, is characterized in that: described aerosil is through hydrophobic treatment, and its specific surface area is 200 ~ 240m
2/ g.
5. light fixture low volatility single-component ketoxime removing type silicon rubber according to claim 1, is characterized in that: described linking agent is one in methyl tributanoximo silane, vinyl tributyl ketoximyl silane, phenyl tributanoximo silane, four Diacetylmonoxime base silanes, methyl tri acetylacetonate oximino silane or its combination.
6. light fixture low volatility single-component ketoxime removing type silicon rubber according to claim 1, it is characterized in that: described coupling agent is one in γ-aminopropyl triethoxysilane, γ-methacryloxypropyl trimethoxy silane, γ-mercaptopropyl trimethoxysilane, vinyltrimethoxy silane, Y-(2,3-epoxy third oxygen) propyl trimethoxy silicane, N-(β-aminoethyl)-Y-aminopropyl trimethoxysilane or its combination.
7. light fixture low volatility single-component ketoxime removing type silicon rubber according to claim 1, is characterized in that: described catalyzer is one in dihydroxy acid dialkyl tin, the sub-tin of dihydroxy acid, 2-ethyl hexyl oxy titanic acid ester, titanium propanolate, butyl (tetra) titanate, di-n-butyl tin dilaurate tin, di-n-butyl two tin acetate or its combination.
8. the preparation method of one of claim 1-7 described light fixture low volatility single-component ketoxime removing type silicon rubber, it is characterized in that: described raw material is respectively formed, under vacuum tightness-0.07 ~-0.1Mpa, stirring velocity 2 ~ 40Hz, be uniformly mixed 30 ~ 60min, namely discharging is filling obtains product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736722.3A CN104371640A (en) | 2014-12-04 | 2014-12-04 | Low-volatility single-component de-ketoxime type silicone rubber for lamps and preparation method of silicone rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736722.3A CN104371640A (en) | 2014-12-04 | 2014-12-04 | Low-volatility single-component de-ketoxime type silicone rubber for lamps and preparation method of silicone rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104371640A true CN104371640A (en) | 2015-02-25 |
Family
ID=52550844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410736722.3A Pending CN104371640A (en) | 2014-12-04 | 2014-12-04 | Low-volatility single-component de-ketoxime type silicone rubber for lamps and preparation method of silicone rubber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104371640A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105524590A (en) * | 2016-02-18 | 2016-04-27 | 广州市白云化工实业有限公司 | Single-component RTV (room temperature vulcanization) silicone sealing material for LED lamp and preparation method of single-component RTV silicone sealing material |
| CN106753203A (en) * | 2016-12-26 | 2017-05-31 | 广州市白云化工实业有限公司 | A kind of depickling type organic silicon adhesive and preparation method thereof |
| CN109294060A (en) * | 2018-09-20 | 2019-02-01 | 安徽江淮汽车集团股份有限公司 | A kind of composite material VOC modifier and preparation method |
| CN110272712A (en) * | 2018-03-13 | 2019-09-24 | 中蓝晨光化工研究设计院有限公司 | A kind of chip or wiring board non-corrosive silicon rubber bonder and preparation method thereof |
| CN111621155A (en) * | 2020-05-29 | 2020-09-04 | 广州汇纳新材料科技有限公司 | Two-component ketoxime-removing silicone rubber capable of being deeply cured and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103387811A (en) * | 2013-08-14 | 2013-11-13 | 福建瑞森化工有限公司 | Organic silicon rubber waterproof adhesive and preparation method thereof |
| EP2784124A1 (en) * | 2011-11-25 | 2014-10-01 | LG Chem, Ltd. | Curable composition |
-
2014
- 2014-12-04 CN CN201410736722.3A patent/CN104371640A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2784124A1 (en) * | 2011-11-25 | 2014-10-01 | LG Chem, Ltd. | Curable composition |
| CN103387811A (en) * | 2013-08-14 | 2013-11-13 | 福建瑞森化工有限公司 | Organic silicon rubber waterproof adhesive and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105524590A (en) * | 2016-02-18 | 2016-04-27 | 广州市白云化工实业有限公司 | Single-component RTV (room temperature vulcanization) silicone sealing material for LED lamp and preparation method of single-component RTV silicone sealing material |
| CN105524590B (en) * | 2016-02-18 | 2018-08-14 | 广州市白云化工实业有限公司 | LED light single-component room temperature vulcanized silicone sealant material and preparation method thereof |
| CN106753203A (en) * | 2016-12-26 | 2017-05-31 | 广州市白云化工实业有限公司 | A kind of depickling type organic silicon adhesive and preparation method thereof |
| CN106753203B (en) * | 2016-12-26 | 2020-04-14 | 广州市白云化工实业有限公司 | Deacidifying type organic silicon adhesive and preparation method thereof |
| CN110272712A (en) * | 2018-03-13 | 2019-09-24 | 中蓝晨光化工研究设计院有限公司 | A kind of chip or wiring board non-corrosive silicon rubber bonder and preparation method thereof |
| CN109294060A (en) * | 2018-09-20 | 2019-02-01 | 安徽江淮汽车集团股份有限公司 | A kind of composite material VOC modifier and preparation method |
| CN111621155A (en) * | 2020-05-29 | 2020-09-04 | 广州汇纳新材料科技有限公司 | Two-component ketoxime-removing silicone rubber capable of being deeply cured and preparation method thereof |
| CN111621155B (en) * | 2020-05-29 | 2022-04-22 | 广州汇纳新材料科技有限公司 | Two-component ketoxime-removing silicone rubber capable of being deeply cured and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104371640A (en) | Low-volatility single-component de-ketoxime type silicone rubber for lamps and preparation method of silicone rubber | |
| CN110591638B (en) | Low-proportion bi-component dealcoholized organosilicon sealant and preparation method and application thereof | |
| CN104946193B (en) | A kind of solar photovoltaic assembly organic fluorinated silicone sealing material and preparation method thereof | |
| CN1216943C (en) | Silastic composition capable of solid at room temp. | |
| CN105255439B (en) | A kind of high elongation rate two-component structural silicone adhesive and preparation method thereof | |
| CN106190012B (en) | A kind of transparent high-intensitive Self-leveling piptonychia alcohol type single-component organic silicon glue and preparation method thereof | |
| CN104673180A (en) | Condensed type double-component silicone sealant and preparation method thereof | |
| WO2014175358A1 (en) | Curable composition, and joint structure produced using same | |
| CN104531049B (en) | Anti-pollution silicone weather-resistant sealant and preparation method of sealant | |
| CN104448833A (en) | Low-odor and low-corrosion single-component deketoxime type silicone rubber and preparation method thereof | |
| CN103602073A (en) | High-flame-retardancy fireproof silicone sealant and preparation method thereof | |
| CN103436216A (en) | Dealcoholized organosilicone sealant with low modulus and high elongation percentage and preparation method thereof | |
| JP6254422B2 (en) | Curable composition and joint structure using the same | |
| CN109609084A (en) | Silicone sealant and preparation method thereof | |
| CN105647462A (en) | Condensed type two-component silicone sealant and preparation method thereof | |
| CN104263315A (en) | Acidic and transparent silicone weather-resistant sealant for construction | |
| WO2019024429A1 (en) | Moisture curable compositions | |
| KR101513680B1 (en) | Non-flammable One component vulcanizable silicone sealant and manufacturing method there of | |
| CN106244091A (en) | A kind of high intensity dealcoholized type double component room temperature vulcanization silicon rubber building sealant and preparation method thereof | |
| CN109762510A (en) | A kind of silicone weather resistant glue and preparation method thereof of high displacement capacity | |
| JP6325333B2 (en) | Curable composition and joint structure using the same | |
| CN112210341B (en) | Double-vulcanization system building sealant and preparation method thereof | |
| CN109880580A (en) | A kind of resistance to alcohol, acid type room temperature vulcanized organosilicon sealant and preparation method thereof | |
| CN106634773B (en) | Organic silicon modified wallboard adhesive and preparation method thereof | |
| CN104357004A (en) | Pouring sealant suitable for use in high and cold environment as well as preparation method and application of pouring sealant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150225 |
|
| RJ01 | Rejection of invention patent application after publication |