CN102632559A - Production line of silicone adhesive and continuous production method - Google Patents
Production line of silicone adhesive and continuous production method Download PDFInfo
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- CN102632559A CN102632559A CN2012101320050A CN201210132005A CN102632559A CN 102632559 A CN102632559 A CN 102632559A CN 2012101320050 A CN2012101320050 A CN 2012101320050A CN 201210132005 A CN201210132005 A CN 201210132005A CN 102632559 A CN102632559 A CN 102632559A
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Abstract
The invention relates to the relative field of the production of a silicone adhesive and particularly relates to a continuous production method of a silicone adhesive. The continuous production method mainly comprises the following steps of: mixing materials; conveying and metering; forcedly feeding; dispersing at a high speed; controlling a temperature; carrying out reaction; and carrying out split charging and packaging processes. The invention further discloses a production line of the silicone adhesive, comprising a double-screw mixing conveyor, a continuous type mixing reaction screw rod, a continuous type high-speed dispersing machine, a pipeline type powder continuous online metering system, a cooling and temperature-controlling facility, an air exhausting facility, a buffer storage and a split charging and packaging facility. Compared with the prior art, the continuous production process and production line provided by the invention improve the production efficiency of the silicone adhesive taking white carbon black as a reinforcing filler, improve the working environment, reduce the material waste and staff work, and improve and stabilize the product quality.
Description
Technical field
The present invention relates to the production line and the continuous producing method of the production association area, particularly a kind of silicone adhesive of silicone adhesive.
Background technology
Be that the silicone adhesive of main reinforced filling is with the batch process at present at home with white carbon serve as main production; This batch process production process efficient is low; The material waste is serious, produces particle because of the rubber cement ingress of air, and the white carbon ingress of air reduces the product combination property; Have greater environmental impacts simultaneously, to workers ' health influence very big (byproduct of reaction and dust have a strong impact on operator's health).Problems such as and existing relevant continuous and automatic production line all is reinforced filling with calcium carbonate, is that the production technology of reinforced filling is all immature with the white carbon, exists the product quality fluctuation big, and particle is many, and the equipment operation time is short do not possess use value.
Summary of the invention
The present invention provides a kind of production line and continuous producing method of silicone adhesive, is that the production technology of reinforced filling exists the product quality fluctuation big with the white carbon with what solve that prior art exists, and particle is many, the technical problem that the equipment operation time is short.
The technical scheme that adopts is following:
A kind of is the production line of silicone adhesive of the moisture-curable of reinforced filling with the white carbon; It is characterized in that; Comprise: the first twin-screw mixing conveyer, the second twin-screw mixing conveyer, the 3rd screw mixes conveyer, continuous high-speed dispersion machine, first accumulator, second accumulator, material cooler, racking machine, the continuous on-line metering of one or more liquid system, one or more crosslinking agent on-line metering system, the continuous on-line metering of one or more auxiliary agent system, the continuous on-line metering of one or more duct type powders system, wherein:
The charge door of the said first twin-screw mixing conveyer is connected with the discharging opening of the discharging opening of the continuous on-line metering of one or more liquid system and one or more crosslinking agent on-line metering system respectively; The discharging opening of the first twin-screw mixing conveyer is connected with a charge door of continuous high-speed dispersion machine through first accumulator, and another charge door of continuous high-speed dispersion machine is connected with the discharging opening of the continuous on-line metering of one or more duct type powders system;
The discharging opening of continuous high-speed dispersion machine is connected with the charge door of the second twin-screw mixing conveyer; The discharging opening of the second twin-screw mixing conveyer is connected with the charge door of the 3rd screw mixes conveyer through behind the material cooler, and the charge door of the 3rd screw mixes conveyer also is connected with the discharging opening of the continuous on-line metering of one or more auxiliary agents system;
The discharging opening of the 3rd screw mixes conveyer is connected with the charging aperture of racking machine through second accumulator.
Wherein, the first twin-screw mixing conveyer, the second twin-screw mixing conveyer and the 3rd twin-screw mixing conveyer are used for mixing; Disperse, regulate temperature, reaction; Remove accessory substance and bubble, can realize heating up and cooling according to process requirements in the different phase of twin-screw mixing conveyer;
The continuous on-line metering of duct type powder system is used for the conveying and metering of powder and the mandatory continuous high-speed dispersion machine that is transported under the situation of pressure is being arranged.
The continuous high-speed dispersion machine is used for mixing of powder and basic film forming matter, and the gas in the powder is separated, and forms basic rubber cement, can the powder that contain a large amount of gases be mixed with the even of base polymer, and can guarantee gas is separated fully;
First accumulator and second accumulator are guaranteed the continuity of whole production line;, the part dispensing apparatus section time is unlikely to stop at once production line after going wrong shutdown; The use of accumulator simultaneously can guarantee the reaction time, and can guarantee when follow-up packing operation is shut down more than five minutes, to guarantee that transfer matic need not shut down.
The material cooler is used for cooling of basic rubber cement and finished product rubber cement.
Racking machine is used for said finished product rubber cement is distributed into finished product.
Further, the described first twin-screw mixing conveyer, the second twin-screw mixing conveyer and the 3rd twin-screw mixing conveyer are parallel dual-screw extruding machine.
Further, the described first twin-screw mixing conveyer, the second twin-screw mixing conveyer and the 3rd twin-screw mixing conveyer are equipped with the gaseous by-product outlet.
Further, the continuous on-line metering of said duct type powder system produces the pressure greater than 0.3MPa at discharging opening, can realize continuous metering.
A kind of is the continuous manufacturing method of silicone adhesive of the moisture-curable of reinforced filling with the white carbon, comprising:
Step 1; Crosslinking agent is joined in the first twin-screw mixing conveyer through one or more crosslinking agent on-line metering system; Base polymer and plasticizer are joined in the first twin-screw mixing conveyer through the continuous on-line metering of one or more liquid system; Make base polymer, plasticizer and crosslinking agent in the first twin-screw mixing conveyer, mix and react, through first accumulator control reaction time and reaction temperature, remove reacted accessory substance after; Obtain basic film forming matter (this basis film forming matter is partially end-blocked); And carry the white carbon powder to the continuous on-line metering of duct type powder system metering, to require remove accessory substance before, in certain temperature range, carry out the reaction of certain hour;
In the above-mentioned steps,, comprise base polymer to described all materials, crosslinking agent, plasticizer, white carbon, tackifier, stabilizing agents etc. are realized evenly continuous automatic adding;
That is carried out when shutting down prevents the method that air gets into and prevents sealing glue solidifying.
Further, in the said step 2, the white carbon powder is pressed in the process of continuous high-speed dispersion machine, the white carbon powder completely cuts off ingress of air, under certain pressure, join in the high speed dispersor.
Further, the described first twin-screw mixing conveyer, the second twin-screw mixing conveyer and the 3rd twin-screw mixing conveyer are equipped with the gaseous by-product outlet, wherein:
In the said step 1, base polymer, plasticizer and crosslinking agent mix in the first twin-screw mixing conveyer and when reacting, the first twin-screw mixing conveyer carries out exhaust through the gaseous by-product outlet;
In the said step 3, basic rubber cement sent into the second twin-screw mixing conveyer after, the second twin-screw mixing conveyer carries out exhaust through the gaseous by-product outlet, accomplishes degassing step;
In the said step 4, the 3rd twin-screw mixing conveyer carries out exhaust through the gaseous by-product outlet, accomplishes degassing step.
The present invention has following advantage: realize hermetically sealed serialization production, improved performance of products, reduced production cost, improved working environment.Solved following key issue in the process:
1. the even serialization of various materials adds automatically, adopts special data and computational methods, accurate Weighing module, and special material transfer equipment combines, and guarantees the stable of various batchings.
2. the reaction time problem in the production process.Through the accurate control and the adjusting of temperature, bonding apparatus has adopted the increase accumulator, and modes such as prolongation pipeline guarantee that technological parameter is able to satisfy.
3. the water imbibition of white carbon, the problem that air gets into.Through the special devices design, avoid white carbon suction and air to get into.
Basic film forming matter behind the end-blocking after add in the white carbon ingress of air process problem that produces particle.Through special devices design, gas separation schemes has rapidly been avoided the dried glue particle that the white carbon air causes and the scattering problem of white carbon.
5. the continuity problem of production line.Adopt to increase the design of part accumulator, avoid the halting problem of the whole production line that the individual equipment fault causes, really realize serialization production.
Description of drawings
Fig. 1 is the production line sketch map of the embodiment of the invention.
Comprising: the continuous on-line metering of liquid system 1, twin-screw mixing conveyer 2, gaseous by-product outlet 3, accumulator 4, continuous high-speed dispersion machine 5, the continuous on-line metering of duct type powder system 6, twin-screw mixing conveyer 7, material cooler 8, twin-screw mixing conveyer 9, the continuous on-line metering of auxiliary agent system 10, the continuous on-line metering of crosslinking agent system 11, packing packaging system 12.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed explanation.
As shown in Figure 1; Present embodiment be a kind of be the production line of silicone adhesive of the moisture-curable of reinforced filling with the white carbon; Comprise: twin-screw mixing conveyer 2, twin-screw mixing conveyer 7, screw mixes conveyer 9, the continuous on-line metering of duct type powder system 6, continuous high-speed dispersion machine 5, two accumulators 4, material cooler 8, packing packaging system 12 (being racking machine), the continuous on-line metering of one or more liquid systems 1 (only mark one among the figure; In fact can have a plurality of), one or more crosslinking agent on-line metering system 11 (only marks one among the figure; In fact can have a plurality of), the continuous on-line metering of one or more auxiliary agent system 10 (only marks one among the figure; In fact can have a plurality of), wherein:
The charge door of twin-screw mixing conveyer 2 is connected with the discharging opening of the discharging opening of the continuous on-line metering of one or more liquid system 1 and one or more crosslinking agent on-line metering system 11 respectively; The discharging opening of twin-screw mixing conveyer 2 is connected with a charge door of continuous high-speed dispersion machine 5 through accumulator 4, and another charge door of continuous high-speed dispersion machine 5 is connected with the discharging opening of the continuous on-line metering of one or more duct type powders system 6;
The discharging opening of continuous high-speed dispersion machine 5 is connected with the charge door of twin-screw mixing conveyer 7; The discharging opening of twin-screw mixing conveyer 7 is connected with the charge door of screw mixes conveyer 9 through material cooler 8 backs, and the charge door of screw mixes conveyer 9 also is connected with the discharging opening of the continuous on-line metering of one or more auxiliary agents system 10;
The discharging opening of screw mixes conveyer 9 is connected with the charging aperture of racking machine 12 through accumulator 4.
This is that the production process of silicone adhesive of reinforced filling is following with the white carbon:
Step 1; With base polymer; Plasticizer overlaps through one or the continuous on-line metering of many cover liquid systems 1, and crosslinking agent joins in the twin-screw mixing conveyer 2 through the perhaps many cover crosslinking agents of cover on-line metering system 11 and mixes, and carries out exhaust through vacuum system through gaseous by-product outlet 3; Guarantee to react completely through 4 control times of accumulator and temperature, make partially end-blocked base polymer.Partially end-blocked base polymer is cooled off.
Claims (7)
1. one kind is the production line of silicone adhesive of the moisture-curable of reinforced filling with the white carbon; It is characterized in that; Comprise: the first twin-screw mixing conveyer, the second twin-screw mixing conveyer, the 3rd screw mixes conveyer, continuous high-speed dispersion machine, first accumulator, second accumulator, material cooler, racking machine, the continuous on-line metering of one or more liquid system, one or more crosslinking agent on-line metering system, the continuous on-line metering of one or more auxiliary agent system, the continuous on-line metering of one or more duct type powders system, wherein:
The charge door of the said first twin-screw mixing conveyer is connected with the discharging opening of the discharging opening of the continuous on-line metering of one or more liquid system and one or more crosslinking agent on-line metering system respectively; The discharging opening of the first twin-screw mixing conveyer is connected with a charge door of continuous high-speed dispersion machine through first accumulator, and another charge door of continuous high-speed dispersion machine is connected with the discharging opening of the continuous on-line metering of one or more duct type powders system;
The discharging opening of continuous high-speed dispersion machine is connected with the charge door of the second twin-screw mixing conveyer; The discharging opening of the second twin-screw mixing conveyer is connected with the charge door of the 3rd screw mixes conveyer through behind the material cooler, and the charge door of the 3rd screw mixes conveyer also is connected with the discharging opening of the continuous on-line metering of one or more auxiliary agents system;
The discharging opening of the 3rd screw mixes conveyer is connected with the charging aperture of racking machine through second accumulator.
2. according to claim 1 is the production line of silicone adhesive of the moisture-curable of reinforced filling with the white carbon; It is characterized in that the described first twin-screw mixing conveyer, the second twin-screw mixing conveyer and the 3rd twin-screw mixing conveyer are parallel dual-screw extruding machine.
3. according to claim 1 is the production line of silicone adhesive of the moisture-curable of reinforced filling with the white carbon; It is characterized in that the described first twin-screw mixing conveyer, the second twin-screw mixing conveyer and the 3rd twin-screw mixing conveyer are equipped with the gaseous by-product outlet.
4. according to claim 1 is the production line of silicone adhesive of the moisture-curable of reinforced filling with the white carbon, it is characterized in that, the continuous on-line metering of said duct type powder system produces the pressure greater than 0.3MPa at discharging opening.
5. one kind is the continuous manufacturing method of silicone adhesive of the moisture-curable of reinforced filling with the white carbon, and adopting claim 1 described is that the production line of silicone adhesive of the moisture-curable of reinforced filling carries out the serialization manufacturing with the white carbon, it is characterized in that, comprising:
Step (1); Crosslinking agent is joined in the first twin-screw mixing conveyer through one or more crosslinking agent on-line metering system; Base polymer and plasticizer are joined in the first twin-screw mixing conveyer through the continuous on-line metering of one or more liquid system; Make base polymer, plasticizer and crosslinking agent in the first twin-screw mixing conveyer, mix and react, through first accumulator control reaction time and reaction temperature, remove reacted accessory substance after; Obtain basic film forming matter, and carry the white carbon powder to the metering of the continuous on-line metering of duct type powder system;
Step (2); Basic film forming matter that step 1 is obtained and the white carbon powder of carrying through the metering of the continuous on-line metering of duct type powder system are pressed in the continuous high-speed dispersion machine; Mixed base film forming matter and white carbon powder in the continuous high-speed dispersion machine; And the separation of completion gas, form basic rubber cement;
Step (3) is sent basic rubber cement into the second twin-screw mixing conveyer, outgases, lowers the temperature and further shear and disperse the basic rubber cement after obtaining handling according to preset technology and product requirement;
Step (4); Basic rubber cement after step 3 processing is sent into the 3rd twin-screw mixing conveyer, and add plasticizer, catalyst, tackifier and/or stabilizing agent continuously, fully mix through the continuous on-line metering of one or more auxiliary agents system; Reaction also outgases, and makes the finished product rubber cement;
Step (5) is further cooled off the finished product rubber cement and is stored in second accumulator;
Step (6) is sent the finished product rubber cement into racking machine, is distributed into preset specification, obtains the silicone adhesive finished product.
6. according to claim 5 is the continuous manufacturing method of silicone adhesive of the moisture-curable of reinforced filling with the white carbon; It is characterized in that; In the said step (2), the white carbon powder is pressed in the process of continuous high-speed dispersion machine, the white carbon powder completely cuts off ingress of air.
7. according to claim 5 is the continuous manufacturing method of silicone adhesive of the moisture-curable of reinforced filling with the white carbon; It is characterized in that; The described first twin-screw mixing conveyer, the second twin-screw mixing conveyer and the 3rd twin-screw mixing conveyer are equipped with the gaseous by-product outlet, wherein:
In the said step (1), base polymer, plasticizer and crosslinking agent mix in the first twin-screw mixing conveyer and when reacting, the first twin-screw mixing conveyer carries out exhaust through the gaseous by-product outlet;
In the said step (3), basic rubber cement sent into the second twin-screw mixing conveyer after, the second twin-screw mixing conveyer carries out exhaust through the gaseous by-product outlet, accomplishes degassing step;
In the said step (4), the 3rd twin-screw mixing conveyer carries out exhaust through the gaseous by-product outlet, accomplishes degassing step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012101320050A CN102632559A (en) | 2012-04-27 | 2012-04-27 | Production line of silicone adhesive and continuous production method |
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| CN2012101320050A CN102632559A (en) | 2012-04-27 | 2012-04-27 | Production line of silicone adhesive and continuous production method |
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| CN102632559A true CN102632559A (en) | 2012-08-15 |
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| CN2012101320050A Pending CN102632559A (en) | 2012-04-27 | 2012-04-27 | Production line of silicone adhesive and continuous production method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925306A (en) * | 2012-11-19 | 2013-02-13 | 上海制皂(集团)如皋有限公司 | Continuous preparation processing technology of detergent |
| CN105037410A (en) * | 2015-06-18 | 2015-11-11 | 天津市安正电力高分子材料有限公司 | Equipment for producing silane materials through one-step method |
| CN107553767A (en) * | 2017-10-10 | 2018-01-09 | 广东普赛达密封粘胶有限公司 | A kind of serialization moisture curable polyurethane composition production line and its production method |
| CN113398827A (en) * | 2021-06-29 | 2021-09-17 | 湖北通成高新材料有限公司 | Continuous automatic production system and method for component B of two-component silicone adhesive |
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| EP0841363A1 (en) * | 1996-11-07 | 1998-05-13 | Shin-Etsu Chemical Co., Ltd. | Preparation of silicone rubber compositions |
| CN1303888A (en) * | 1999-12-21 | 2001-07-18 | 通用电气公司 | Process for continuously producing composition of siloxanes |
| 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 |
| CN101787210A (en) * | 2010-01-29 | 2010-07-28 | 张启发 | Production method and production line of silicone adhesive |
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2012
- 2012-04-27 CN CN2012101320050A patent/CN102632559A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0841363A1 (en) * | 1996-11-07 | 1998-05-13 | Shin-Etsu Chemical Co., Ltd. | Preparation of silicone rubber compositions |
| CN1303888A (en) * | 1999-12-21 | 2001-07-18 | 通用电气公司 | Process for continuously producing composition of siloxanes |
| 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 |
| CN101787210A (en) * | 2010-01-29 | 2010-07-28 | 张启发 | Production method and production line of silicone adhesive |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925306A (en) * | 2012-11-19 | 2013-02-13 | 上海制皂(集团)如皋有限公司 | Continuous preparation processing technology of detergent |
| CN105037410A (en) * | 2015-06-18 | 2015-11-11 | 天津市安正电力高分子材料有限公司 | Equipment for producing silane materials through one-step method |
| CN107553767A (en) * | 2017-10-10 | 2018-01-09 | 广东普赛达密封粘胶有限公司 | A kind of serialization moisture curable polyurethane composition production line and its production method |
| CN113398827A (en) * | 2021-06-29 | 2021-09-17 | 湖北通成高新材料有限公司 | Continuous automatic production system and method for component B of two-component silicone adhesive |
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Application publication date: 20120815 |