CN103419295A - Technology and equipment for producing high-temperature-resistant flame-retardant alcohol-type silica gel through continuous method - Google Patents
Technology and equipment for producing high-temperature-resistant flame-retardant alcohol-type silica gel through continuous method Download PDFInfo
- Publication number
- CN103419295A CN103419295A CN2013103312918A CN201310331291A CN103419295A CN 103419295 A CN103419295 A CN 103419295A CN 2013103312918 A CN2013103312918 A CN 2013103312918A CN 201310331291 A CN201310331291 A CN 201310331291A CN 103419295 A CN103419295 A CN 103419295A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- silica gel
- retardant
- intermediate storage
- temperature
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/487—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with consecutive casings or screws, e.g. for feeding, discharging, mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7485—Systems, i.e. flow charts or diagrams; Plants with consecutive mixers, e.g. with premixing some of the components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
Abstract
The invention discloses a technology for producing an electronic-grade high-temperature-resistant flame-retardant alcohol-type silica gel through a continuous method. In the technology, components of the high-temperature-resistant flame-retardant alcohol-type silica gel are added into a continuous production line for reacting to obtain the silica gel, wherein the components of the high-temperature-resistant flame-retardant alcohol-type silica gel comprise polysiloxane, fumed silica, a high-temperature-resistant filler, a flame-retardant filler, a plasticizer, a crosslinking agent, a coupling agent and a catalyst; the production line adopting the continuous method comprises a set of serially-connected twin-screw extruder, a metering device, a cooler and subpackaging equipment. The technology provided by the invention is high in production efficiency, low in labor intensity and high in productivity, and is applicable to mass production; material and energy consumption is low, so that the cost is reduced; the produced high-temperature-resistant flame-retardant alcohol-type silica gel is good and uniform in quality and high in stability; the continuously produced high-temperature-resistant flame-retardant alcohol-type silica gel has the advantages of low molecular weight, long-term temperature resistance to 260 DEG C, excellent V-0 flame-retardant grade and the like, has excellent electrical performance, has no corrosion to a substrate, and fully meets requirements on an electronic-grade silica gel product.
Description
Technical field
The present invention relates to the production of heat-resistant fireproof alcohol type silica gel, more specifically, relate to technology and production equipment that continuity method is produced heat-resistant fireproof alcohol type silica gel.
Background technology
Because pure type silica gel is compared with other type (depickling type, ketoxime removing type) silica gel, there is nonirritant tart flavour, metal non-corrosiveness, nothing are vulcanized to the advantages such as cracking phenomena, can keep good physical property and electrical property in exacting terms, be class combination property silicon rubber preferably, so electronic apparatus is selected dealcoholized silicone rubber usually with silicon rubber.General dealcoholized silicone rubber can used below 180 ℃ for a long time, but, due to the development of new and high technology, its heat resistance is had higher requirement, and the heat endurance that therefore improves silicon rubber becomes the focus of people's research.General silicon rubber is met naked light and can be burnt, and produces white smog, and flame retardant rating can not reach UL authentication V-1 or V-0 level.Flame-proof silicon rubber is to add fire retardant in silicon rubber, produces the product with flame retardancy and self-extinguishment.
Heat-resistant fireproof alcohol type silica gel requires to produce under the condition of airtight, vacuum, at present, domestic universal production method is that a kind of single cylinder with planetary mixer, discontinuous form are produced, for example, the base polymer of first with kneader, drying being crossed, heatproof filler and other fillers, pigment and catalyst, and obtain sizing material through vacuum row bubble, and finally proceed to liquid-filling machine, pour into after metering in metal hose or plastics sealed tube and obtain product.The advantage of this technique is that production technology is simple, easy to operate, can adjust at any time composition and engineering, changes product variety; Shortcoming is exposed in air while being the material transfer, easily produces skinning when the product of damp and hot weather production or production quick solidifying; Occur that loss, human error cause the quality shakiness while producing due to single cylinder, discontinuous, manpower, material consumption, energy consumption are too high.The technology of twin-screw continuity method production heat-resistant fireproof electron level alcohol type silica gel is at present also immature, at present the domestic report that there is not yet.
Summary of the invention
The object of the present invention is to provide a kind of technology and equipment that can produce continuously heat-resistant fireproof alcohol type silica gel.
At first the invention provides a kind of continuity method and produce the production equipment of heat-resistant fireproof alcohol type silica gel, comprise the first double screw extruder, the second double screw extruder and cooler, described the first double screw extruder is connected with cooler, described cooler is connected with the second double screw extruder, described the first double screw extruder is provided with the first vacuum port, the first charging aperture and the first filter, also be provided with the first intermediate storage tank be attached thereto, described the first intermediate storage tank is provided with a plurality of raw material storage tanks that are attached thereto, described the second double screw extruder is provided with the second vacuum port, the second charging aperture and the second filter, also be provided with the second intermediate storage tank be attached thereto, described the second intermediate storage tank is provided with a plurality of raw material storage tanks that are attached thereto.
Described raw material storage tank all is connected with the second intermediate storage tank with the first intermediate storage tank by metering device.
Metering device is the weight-loss type flowmeter.
Described the second double screw extruder is connected with dispensing apparatus.
The technology that further provides a kind of continuity method to produce heat-resistant fireproof alcohol type silica gel, described technology is by above-mentioned production equipment realization, and concrete steps are as follows,
S1. add respectively polysiloxanes, heatproof filler, fire-retardant filler and plasticizer in 4 raw material storage tanks that are connected with the first intermediate storage tank, in 3 raw material storage tanks that are connected with the second intermediate storage tank, add respectively crosslinking agent, coupling agent and catalyst;
S2. set the addition of each component, by the weight-loss type flowmeter, polysiloxanes, heatproof filler, fire-retardant filler and plasticizer are added in the first intermediate storage tank, crosslinking agent, coupling agent and catalyst are added in the second intermediate storage tank;
S3. start the first and second double screw extruders, obtain heat-resistant fireproof alcohol type silica gel.
Described polysiloxanes is R``O-[SiORR`] n-SiOR``, wherein: n=10~10000, R is methyl, ethyl, vinyl or phenyl, and R` is methyl, ethyl, vinyl or phenyl, and R`` is H, methyl, ethyl, vinyl or propyl group;
Described heatproof filler is Fe
2O
3, Fe(OH)
3, CuO, TiO
2, Ce
2O
3Deng in a kind of or any several mixture.
Described fire-retardant filler is a kind of or any several mixture in magnesium hydroxide, nitrogenated flame retardant or boron class fire proofing etc.
Described plasticizer can be selected dimethicone or mineral oil;
Described catalyst can be selected organotin catalysts or organic titanium catalyst, and wherein organotin catalysts is dibutyl tin laurate, dibutyltin diacetate or stannous octoate; The organic titanium catalyst is (R
1) Ti(R
2)
2Or (R
3)
2Ti(R
2)
2, R wherein
1 Be 1,3 propane diols, 1,2 propane diols or butanediol, R
2For acetylacetone,2,4-pentanedione or ethyl acetoacetate, R
3For ethanol, propyl alcohol, isopropyl alcohol or butanols;
Described crosslinking agent is (R
4) nSi(R
5) m, m+n=4 wherein, m=3 or 4, n=0 or 1, R4 are methyl, ethyl, vinyl or phenyl, R5 is methoxyl group, ethyoxyl, propoxyl group, isopropoxy, butoxy, acetoxyl group, acetoxime or propenyloxy group;
Described coupling agent is aminopropyl trimethoxysilane.
In the raw material storage tank be connected with the first intermediate storage tank, also comprise the raw material storage tank that calcium carbonate, aerosil, precipitated silica, barium sulfate, iron oxide, alumina silicate or silica flour are housed.
The characteristics of continuity method production heatproof silica gel production technology are: raw material is inputted in the main equipment double screw extruder by metering system automatically, continuously, material completes dispersion, dehydration, reaction in dual-screw-stem machine, produce product and export from twin-screw equipment continuously, enter the packaging facilities packaging product.Have automaticity high, production efficiency is high, and labour intensity reduces greatly, and production capacity is large, is applicable to large-scale production; Material and energy loss thereof are few, cost-saving; The good quality of product homogeneous, the advantages such as good stability.The heat-resistant fireproof electron level alcohol type silica gel of producing by this technology, quality reaches international standards fully.
The continuity method production technology of heat-resistant fireproof electron level of the present invention alcohol type silica gel does not need premixed or pretreatment, and technological parameter has larger adjustability, and production operation elasticity is large.
The continuously producing process of a kind of heatproof silica gel provided by the invention, this technique is to add a continuity method production line to be reacted and output heatproof silica gel the component that forms heatproof silica gel, the component of described heatproof silica gel comprises polysiloxanes, heat-resistant filler, fire-retardant filler, reinforced filling, plasticizer, crosslinking agent, coupling agent and catalyst, described continuous production line comprises one group of series connection twin-screw extrusion unit, metering device, cooler and dispensing apparatus, the twin-screw extrusion unit of wherein contacting is two or more double screw extruder, double screw extruder is provided with charging aperture, discharging opening and vacuum port, double screw extruder is linked together through cooler, front be called the single order machine, back be called the second order machine, by that analogy, dispensing apparatus is arranged on the end of continuous production line.
The manufacturing process of existing intermittence or heat-resistant fireproof silica gel is compared, and the present invention has following characteristics:
1. the present invention is the continuity method production method, and production capacity is much higher than the batch production method, and labour intensity reduces greatly;
2. the product that the present invention produces meets ROTHS and REACH requirement, 260 ℃ of long-term heatproofs, hangs down the few fire-retardant pure type silica gel of electron level of molecule content.
In manufacture process of the present invention without middle product, there is no interim stock;
4. the present invention is continuous production method, does not need cleaning equipment midway, and without the material waste, productive rate is high;
5. the whole process of the present invention is airtight process, in the material exposure air, free from environmental pollution, do not endanger operator's health;
6. technological parameter of the present invention has larger adjustability, and production operation elasticity is large, does not need any premix material in manufacture process;
7. two double screw extruders of the present invention can be debugged step by step, and the single order machine is debugged rear material and just entered the second order machine, and the material of single order machine debugging can also be recycled like this.
8. the present invention installs cooler between the series winding double screw extruder, can accurately control the temperature that enters second order machine material, is conducive to material reaction in the second order machine.
The accompanying drawing explanation
Fig. 1 is overall structure of the present invention.
Wherein, 1 is raw material storage tank, and 2 is the weight-loss type flowmeter, 3 is the first intermediate storage tank, and 4 is charging aperture, and 5 is powerful kneading block, 6 is the first vacuum port, 7 is the first filter, and 8 is cooler, and 11 is the second intermediate storage tank, 12 is mixing section, 13 is the second vacuum port, and 14 is the second filter, and 15 is dispensing apparatus.
The specific embodiment
Polysiloxanes, heat-resistant filler, fire proofing, supporting material, plasticizer pass through weight-loss type flowmeter 2 from raw material storage tank 1 to first intermediate storage tank 3, then from charging aperture 4, be input to the first double screw extruder, polysiloxanes, heatproof filler, fire-retardant filler and other fillers mix at the powerful kneading block 5 of the first double screw extruder, form and full-bodied paste, under the effect of high strength mixed cell part, filler is dispersed in polysiloxanes fully, utilize the first vacuum port 6, the moisture in mixture and low-boiling-point substance are removed.Utilize the first filter 7, material filters down at this through out-of-date impurity wherein.Sizing material enters cooler 8 from the first twin-screw extrusion comes, and its temperature is down to below 20 ℃ from 110 ℃.Sizing material through the subcooler cooling enters the second double screw extruder, crosslinking agent, catalyst, coupling agent are put into the second intermediate storage tank 11 from raw material storage tank 1 by weight-loss type flowmeter 2, then from charging aperture 4, be input to the second double screw extruder, material mixes and reacts at the mixing section 12 of the second double screw extruder, and utilize the second vacuum port 13, for the accessory substance produced except dereaction, sizing material enters packing in dispensing apparatus 15 through the second filter 14.
Embodiment 1
The component of heatproof silica gel, meter by weight ratio:
Hydroxy-end capped polysiloxanes 100
Heat-resistant filler 1
Fire-retardant filler 5
Reinforced filling 5
Dimethicone 10
MTMS 3
Coupling agent 1
Catalyst 0.5
The component of heatproof silica gel, meter by weight ratio:
Hydroxy-end capped polysiloxanes 100
Heat-resistant filler 10
Fire-retardant filler 50
Reinforced filling 50
Dimethicone 30
MTMS 10
Coupling agent 5
Make properties of product:
Performance project | Unit | Quality index | Method of testing | Embodiment 1 | |
Outward appearance | --- --- | White | Range estimation | White | White |
Viscosity | CP | 40000-60000 | ASTM D 2196-99 | Qualified | Qualified |
Surface drying time | min | 1-5 | WI-09-07 | Qualified | Qualified |
Low molecule content (D3-D10) | mg/kg | ≤150 | Gas chromatography | Qualified | Qualified |
Hardness | Shao A | 70±10 | GB/T531-08 | Qualified | Qualified |
Elongation at break | (%) | ≥80 | GB/T528-09 | Qualified | Qualified |
Breaking strength | MPa | ≥2.0 | GB/T528-09 | Qualified | Qualified |
Shear strength (aluminium/aluminium) | MPa | ≥1.5 | GB/T7124-08 | Qualified | Qualified |
Shear strength (PCB/PCB) | MPa | ≥2.0 | GB/T7124-08 | Qualified | Qualified |
Electrical equipment intensity | Kv/mm | ≥20 | GB/T1408-06 | Qualified | Qualified |
Dielectric constant (50Hz) | --- --- | ≤6.0 | GB/T1409-06 | Qualified | Qualified |
Dielectric dissipation factor (50Hz) | --- --- | ≤0.4 | GB/T1409-06 | Qualified | Qualified |
Specific insulation | Ω·cm | ≥1×1013 | GB/T1410-06 | Qualified | Qualified |
Flame retardant rating | --- --- | V-0 | UL-94 | Qualified | Qualified |
Temperature tolerance | ℃ | -55~260 | --- --- | Qualified | Qualified |
ROHS | --- --- | Meet | The X-fluorescence spectrometer | Qualified | Qualified |
REACH | --- --- | Meet | --- --- | Qualified | Qualified |
Claims (7)
1. a continuity method is produced the production equipment of heat-resistant fireproof alcohol type silica gel, it is characterized in that, comprise the first double screw extruder, the second double screw extruder and cooler, described the first double screw extruder is connected with cooler, described cooler is connected with the second double screw extruder, described the first double screw extruder is provided with the first vacuum port, the first charging aperture and the first filter, also be provided with the first intermediate storage tank be attached thereto, described the first intermediate storage tank is provided with a plurality of raw material storage tanks that are attached thereto, described the second double screw extruder is provided with the second vacuum port, the second charging aperture and the second filter, also be provided with the second intermediate storage tank be attached thereto, described the second intermediate storage tank is provided with a plurality of raw material storage tanks that are attached thereto.
2. production equipment according to claim 1, is characterized in that, described raw material storage tank all is connected with the second intermediate storage tank with the first intermediate storage tank by metering device.
3. production equipment according to claim 2, is characterized in that, metering device is the weight-loss type flowmeter.
4. production equipment according to claim 1, is characterized in that, described the second double screw extruder is connected with dispensing apparatus.
5. the technology that continuity method is produced heat-resistant fireproof alcohol type silica gel, is characterized in that, described technology is by the arbitrary described production equipment realization of claim 1 ~ 4, and concrete steps are as follows,
S1. add respectively polysiloxanes, heatproof filler, fire-retardant filler and plasticizer in 4 raw material storage tanks that are connected with the first intermediate storage tank, in 3 raw material storage tanks that are connected with the second intermediate storage tank, add respectively crosslinking agent, coupling agent and catalyst;
S2. set the addition of each component, by the weight-loss type flowmeter, polysiloxanes, heatproof filler, fire-retardant filler and plasticizer are added in the first intermediate storage tank, crosslinking agent, coupling agent and catalyst are added in the second intermediate storage tank;
S3. start the first and second double screw extruders, obtain heat-resistant fireproof alcohol type silica gel.
6. technology according to claim 5, it is characterized in that, described polysiloxanes is R``O-[SiORR`] n-SiOR``, wherein: n=10~10000, R is methyl, ethyl, vinyl or phenyl, R` is methyl, ethyl, vinyl or phenyl, and R`` is H, methyl, ethyl, vinyl or propyl group;
Described heatproof filler is Fe
2O
3, Fe(OH)
3, CuO, TiO
2, Ce
2O
3Deng in a kind of or any several mixture,
Described fire-retardant filler is a kind of or any several mixture in magnesium hydroxide, nitrogenated flame retardant or boron class fire proofing etc.,
Described plasticizer can be selected dimethicone or mineral oil;
Described catalyst can be selected organotin catalysts or organic titanium catalyst, and wherein organotin catalysts is dibutyl tin laurate, dibutyltin diacetate or stannous octoate; The organic titanium catalyst is (R
1) Ti(R
2)
2Or (R
3)
2Ti(R
2)
2, R wherein
1Be 1,3 propane diols, 1,2 propane diols or butanediol, R
2For acetylacetone,2,4-pentanedione or ethyl acetoacetate, R
3For ethanol, propyl alcohol, isopropyl alcohol or butanols;
Described crosslinking agent is (R
4) nSi(R
5) m, m+n=4 wherein, m=3 or 4, n=0 or 1, R4 are methyl, ethyl, vinyl or phenyl, R5 is methoxyl group, ethyoxyl, propoxyl group, isopropoxy, butoxy, acetoxyl group, acetoxime or propenyloxy group;
Described coupling agent is aminopropyl trimethoxysilane.
7. technology according to claim 5, it is characterized in that, in the raw material storage tank be connected with the first intermediate storage tank, also comprise the raw material storage tank that calcium carbonate, aerosil, precipitated silica, barium sulfate, iron oxide, alumina silicate or silica flour are housed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2013103312918A CN103419295A (en) | 2013-08-01 | 2013-08-01 | Technology and equipment for producing high-temperature-resistant flame-retardant alcohol-type silica gel through continuous method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2013103312918A CN103419295A (en) | 2013-08-01 | 2013-08-01 | Technology and equipment for producing high-temperature-resistant flame-retardant alcohol-type silica gel through continuous method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103419295A true CN103419295A (en) | 2013-12-04 |
Family
ID=49644919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2013103312918A Pending CN103419295A (en) | 2013-08-01 | 2013-08-01 | Technology and equipment for producing high-temperature-resistant flame-retardant alcohol-type silica gel through continuous method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103419295A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108192349A (en) * | 2017-12-13 | 2018-06-22 | 天永诚高分子材料(常州)有限公司 | A kind of dealcoholized type room temperature vulcanized silicone rubber and preparation method thereof |
WO2023076071A1 (en) * | 2021-10-29 | 2023-05-04 | Exxonmobil Chemical Patents Inc. | Method of forming a composition comprising a functionalized polymer |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997009162A1 (en) * | 1995-09-05 | 1997-03-13 | The Goodyear Tire & Rubber Company | Continuous mixing of silica loaded elastomeric compounds |
CN1640938A (en) * | 2004-12-10 | 2005-07-20 | 广州市白云化工实业有限公司 | Technology for continuously making single-component mist-solidifying silicon-ketone composition |
CN101250391A (en) * | 2008-04-12 | 2008-08-27 | 中山市三和气雾有限公司 | One-component thermostable silicone sealant |
CN101747859A (en) * | 2010-01-29 | 2010-06-23 | 浙江凌志精细化工有限公司 | Silicone fireproof sealant for construction and preparation method thereof |
EP2295222A2 (en) * | 1999-12-21 | 2011-03-16 | General Electric Company | Compounding filled silicone compositions |
CN102173003A (en) * | 2010-12-24 | 2011-09-07 | 张启发 | Automatic production line for thermal vulcanized silicon rubber |
CN102357935A (en) * | 2011-08-30 | 2012-02-22 | 佛山市金银河机械设备有限公司 | Automatic continuous production line of liquid silicon rubber |
-
2013
- 2013-08-01 CN CN2013103312918A patent/CN103419295A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997009162A1 (en) * | 1995-09-05 | 1997-03-13 | The Goodyear Tire & Rubber Company | Continuous mixing of silica loaded elastomeric compounds |
EP2295222A2 (en) * | 1999-12-21 | 2011-03-16 | General Electric Company | Compounding filled silicone compositions |
CN1640938A (en) * | 2004-12-10 | 2005-07-20 | 广州市白云化工实业有限公司 | Technology for continuously making single-component mist-solidifying silicon-ketone composition |
CN101250391A (en) * | 2008-04-12 | 2008-08-27 | 中山市三和气雾有限公司 | One-component thermostable silicone sealant |
CN101747859A (en) * | 2010-01-29 | 2010-06-23 | 浙江凌志精细化工有限公司 | Silicone fireproof sealant for construction and preparation method thereof |
CN102173003A (en) * | 2010-12-24 | 2011-09-07 | 张启发 | Automatic production line for thermal vulcanized silicon rubber |
CN102357935A (en) * | 2011-08-30 | 2012-02-22 | 佛山市金银河机械设备有限公司 | Automatic continuous production line of liquid silicon rubber |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108192349A (en) * | 2017-12-13 | 2018-06-22 | 天永诚高分子材料(常州)有限公司 | A kind of dealcoholized type room temperature vulcanized silicone rubber and preparation method thereof |
WO2023076071A1 (en) * | 2021-10-29 | 2023-05-04 | Exxonmobil Chemical Patents Inc. | Method of forming a composition comprising a functionalized polymer |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106833478B (en) | High-performance flame-retardant two-component silane modified polyether sealant and preparation method thereof | |
CN102618208B (en) | Halogen-free flame-retardant heat-conduction organosilicon electronic pouring sealant and preparation technology thereof | |
CN104927362A (en) | Flame-retardant ceramization silicon rubber and preparation method | |
CN108264840B (en) | Novel anti-pollution flashover coating and preparation method thereof | |
CN104449522B (en) | One assembles with fire-retardant heat-resistance type silyl-terminated polyether sealant | |
CN103305010A (en) | Double-component addition type insulation silicon rubber and preparation method thereof | |
CN106633390B (en) | A kind of ground-buried high voltage power cable modified polypropene enhancing corrugate sheath pipe and preparation method thereof | |
CN112322250A (en) | Silicone weather-resistant flame-retardant sealant and preparation method thereof | |
CN104212171A (en) | Room temperature vulcanized silicone rubber composite material and preparation method thereof | |
CN104152102A (en) | High performance silicone sealant and preparation method thereof | |
CN107699188A (en) | A kind of transparent high temperature resistant flame-proof silicone sealant and preparation method | |
CN112321955A (en) | Environment-friendly flame-retardant insulating rubber composite material and preparation method thereof | |
CN103419295A (en) | Technology and equipment for producing high-temperature-resistant flame-retardant alcohol-type silica gel through continuous method | |
CN104693793B (en) | A kind of flame-retardant reinforced nylon composite and preparation method thereof | |
CN107325781A (en) | Silicone sealant compositions, organosilicon sealant and preparation method thereof | |
CN103740107A (en) | Non-drying halogen-free organic fireproof jam material and preparation method thereof | |
CN108359193A (en) | A kind of network layout flame-proof environmental protection CABLE MATERIALS and preparation method thereof | |
CN110684358A (en) | Filling foaming encapsulation silica gel for new energy power battery, preparation method and application | |
CN103419346A (en) | Continuous production process and production equipment for heat-conducting silica gel | |
CN109762237A (en) | It can ceramic fire-resistant polyolefin material | |
CN103408949B (en) | Ultrahigh hardness rubber unvulcanizate and preparation method thereof | |
CN105368068A (en) | High-temperature-resistant, high-breakdown-voltage and filler-free organic silicone rubber for sleeve | |
CN109880264B (en) | High-strength flame-retardant plastic steel profile based on organic silicon modified polyvinyl chloride | |
CN112778966A (en) | Ketoxime-removing type silicone sealant with high light transmittance and preparation method thereof | |
CN106634814A (en) | Organic silicon electronic pouring sealant with good ultraviolet-resisting cooling performance for PCB (Printed Circuit Board) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: 525027 District 28, hi tech Industrial Park, Guangdong, Maoming Applicant after: CSI CHEMICAL CO., LTD. Address before: 525027 District 28, hi tech Industrial Park, Guangdong, Maoming Applicant before: Guangdong Xinying New Material Co., Ltd. |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: GUANGDONG CHEERY NEW MATERIAL CO., LTD. TO: XISHIDAI MATERIAL TECHNOLOGY CO., LTD. |
|
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131204 |