CN201988197U - Solvent evaporation apparatus for solvent type pressure-sensitive adhesive - Google Patents
Solvent evaporation apparatus for solvent type pressure-sensitive adhesive Download PDFInfo
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- CN201988197U CN201988197U CN201120038253XU CN201120038253U CN201988197U CN 201988197 U CN201988197 U CN 201988197U CN 201120038253X U CN201120038253X U CN 201120038253XU CN 201120038253 U CN201120038253 U CN 201120038253U CN 201988197 U CN201988197 U CN 201988197U
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- solvent
- sensitive adhesive
- type pressure
- pressure sensitive
- evaporating kettle
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Abstract
A solvent evaporation apparatus for solvent type pressure-sensitive adhesive mainly comprises an evaporation kettle, a condenser, a solvent recovery tank, heaters and a stirrer, the cavity of the evaporation kettle is sealed, the top of the evaporation kettle communicates with the condenser through a pipeline, and the condensate outlet of the condenser communicates with the solvent recovery tank through a pipeline; the heaters are arranged on the bottom and side of the evaporation kettle, and the stirrer is arranged in the evaporation kettle; and a fan is arranged on the top of the evaporation kettle. The solvent evaporation apparatus can remove and recover all solvents (methylbenzene and ethyl acetate) in the sealed environment after pressure-sensitive adhesive is polymerized, the recovery rate is higher than 99.9 percent, consequently, the overall cost of adhesive can be reduced, and the environment can be prevented from being polluted.
Description
Technical field
The utility model relates to a kind of solvent evaporation equipment of solvent-borne type pressure sensitive adhesive, belongs to the adhesive material preparing technical field.
Background technology
Pressure sensitive adhesive (pressure sensitive adhesive) is the abbreviation of pressure-sensitive adhesive, is a class has sensitiveness to pressure adhesive.Pressure sensitive adhesive can be divided into rubber-type and resin type two classes according to the matrix resin composition, and rubber-type can be divided into natural rubber and synthetic rubber class again, and resin type mainly comprises polyacrylate, silicone based and polyurethanes again.According to the difference of decentralized medium, be divided into water-based and solvent-borne type pressure sensitive adhesive.Water-borne pressure sensitive adhesive is to react with the medium of water as reaction, promptly gets the pressure sensitive adhesive goods after the coating oven dry.Because water-borne pressure sensitive adhesive adopts water as solvent, so it is cheap, throughput rate is very fast, but its adhesive performance is not high.Solvent-borne type pressure sensitive adhesive toluene, organic solvents such as ethyl acetate react as the medium of reaction, and in solvent-borne type pressure sensitive adhesive finished product, organic solvent accounts for 60～75% of gross weight, and adhesive accounts for 25～40% of gross weight.
The technology maturation of solvent-borne type pressure sensitive adhesive has good pressure-sensitive and caking property, again because advantages such as resistances to ag(e)ing, light resistance, resistance to water, oil resistivity, so almost not through the time change the problem that causes that pressure-sensitive descends, and peelable performance is good.At present, the solvent-borne type pressure sensitive adhesive is owing to environmental issue causes progressively dwindling of the scope of application, its reason is: because the solvent-borne type pressure sensitive adhesive is in the process of coating, the a large amount of organic solvent evaporations that need wherein to contain fall, and therefore the problem that causes mainly contains: one, the long processing time of pressure sensitive adhesive goods; Two, Zheng Fa solvent causes actual bodily harm to the operator; Three, Zheng Fa solvent itself does not have sufficient utilization can cause waste yet; In heating process, substrates coated is damaged.
Summary of the invention
The utility model provides a kind of solvent evaporation equipment of solvent-borne type pressure sensitive adhesive, and purpose is to solve the solvent-borne type pressure sensitive adhesive needs evaporating solvent in the process of coating problem.
For achieving the above object, the technical solution adopted in the utility model is: the solvent evaporation equipment of solvent-borne type pressure sensitive adhesive, mainly form by evaporating kettle, condensing unit, solvent recovery jar, heater and agitator, the bore seal of described evaporating kettle, its top is communicated with described condensing unit by pipeline, and the cooling liquid outlet of described condensing unit is communicated with described solvent recovery jar by pipeline; The bottom of described evaporating kettle and sidepiece are all established described heater, and described agitator is established in its inside; The top of described evaporating kettle is provided with air-supply arrangement.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described evaporating kettle is provided with thermometer and Pressure gauge.
2, in the such scheme, described evaporating kettle is provided with charging aperture, and charging aperture is provided with seal valve.
3, in the such scheme, described condensing unit adopts water cooling plant, can be on the pipeline between evaporating kettle and the solvent recovery jar coil pipe of outsourcing with water inlet and delivery port.
4, in the such scheme, described heater can be steam heater or electric heater unit.
5, in the such scheme, described agitator is made of axle and blade.
6, in the such scheme, described air-supply arrangement can be air blast.
7, in the such scheme, described air-supply arrangement can be accelerated the flowing velocity of gaseous solvent to condensing unit.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, the utility model all removes the solvent after the pressure sensitive adhesive polymerization (toluene, ethyl acetate) in closed environment and all reclaims, and its rate of recovery is up to more than 99.9%, thereby the whole cost of reduction adhesive is avoided environmental pollution.
2, the organic solvent that toluene, ethyl acetate equal solvent type pressure sensitive adhesive are commonly used has features such as poisonous, inflammable, in the roasting adhesive process when the solvent-borne type pressure sensitive adhesive directly is coated with, when heating makes the organic solvent volatilization, cause operative employee's actual bodily harm at first easily, next has explosion danger, and the utility model is owing to evaporated solvent and recovery before coating, therefore can effectively avoid the coating process potential safety hazard, and can improve coating production efficiency greatly by saving the roasting required time of glue.
Description of drawings
Accompanying drawing 1 is the utility model schematic diagram.
In the above accompanying drawing: 1, evaporating kettle; 2, condensing unit; 3, solvent recovery jar; 4, heater; 5, agitator; 6, thermometer; 7, Pressure gauge; 8, air-supply arrangement.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: the solvent evaporation equipment of solvent-borne type pressure sensitive adhesive
Shown in accompanying drawing 1, the solvent evaporation equipment of solvent-borne type pressure sensitive adhesive, mainly form by evaporating kettle 1, condensing unit 2, solvent recovery jar 3, heater 4 and agitator 5, the bore seal of described evaporating kettle 1, its top is communicated with described condensing unit 2 by pipeline, and the cooling liquid outlet of described condensing unit 2 is communicated with described solvent recovery jar 3 by pipeline; The bottom of described evaporating kettle 1 and sidepiece are all established described heater 4, and described agitator 5 is established in its inside.Described evaporating kettle 1 is provided with thermometer 6 and Pressure gauge 7.The top of described evaporating kettle 1 is provided with air-supply arrangement 8.
The utility model at first adds the solvent-borne type pressure sensitive adhesive by charge door in evaporating kettle 1 when work, close the bore seal that charge door makes evaporating kettle 1 then.Open heater 4 then, heating makes the solvent in the solvent-borne type pressure sensitive adhesive of evaporating kettle reach boiling point, and solvent becomes gaseous state by liquid state, when the solvent of gaseous state is flowed through described condensing unit 2 by pipeline, becomes liquid state again, flow to described solvent recovery jar 3 then and collects.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (2)
1. the solvent evaporation equipment of a solvent-borne type pressure sensitive adhesive, it is characterized in that: mainly form by evaporating kettle, condensing unit, solvent recovery jar, heater and agitator, the bore seal of described evaporating kettle, its top is communicated with described condensing unit by pipeline, and the cooling liquid outlet of described condensing unit is communicated with described solvent recovery jar by pipeline; The bottom of described evaporating kettle and sidepiece are all established described heater, and described agitator is established in its inside; The top of described evaporating kettle is provided with air-supply arrangement.
2. the solvent evaporation equipment of solvent-borne type pressure sensitive adhesive according to claim 1 is characterized in that: described evaporating kettle is provided with thermometer and Pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120038253XU CN201988197U (en) | 2011-02-14 | 2011-02-14 | Solvent evaporation apparatus for solvent type pressure-sensitive adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120038253XU CN201988197U (en) | 2011-02-14 | 2011-02-14 | Solvent evaporation apparatus for solvent type pressure-sensitive adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201988197U true CN201988197U (en) | 2011-09-28 |
Family
ID=44664702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120038253XU Expired - Lifetime CN201988197U (en) | 2011-02-14 | 2011-02-14 | Solvent evaporation apparatus for solvent type pressure-sensitive adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201988197U (en) |
-
2011
- 2011-02-14 CN CN201120038253XU patent/CN201988197U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SUZHOU SIDIKE NEW MATERIALS SCIENCE AND TECHNOLOGY Free format text: FORMER NAME: SUZHOU SIDIKET ELECTRONICS ADHESIVE MATERIAL CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 215400 Taicang Economic Development Zone, Jiangsu, Qingdao West Road, No. 11, No. Patentee after: Suzhou Sidike New Material Science & Technology Co., Ltd. Address before: 215400 Luoyang, Jiangsu, Taicang Banqiao Town, East Road, No. 221, No. Patentee before: Suzhou Sidike Stickiness Electron Stuff Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 223900 Sihong Province Economic Development Zone, Suqian, West Ocean West Road, No. 6 Patentee after: Jiangsu Stick new materials Polytron Technologies Inc Address before: 215400 Taicang Economic Development Zone, Jiangsu, Qingdao West Road, No. 11, No. Patentee before: Suzhou Sidike New Material Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |