CN201648276U - Grafting reaction device for pre-irradiation grafting - Google Patents
Grafting reaction device for pre-irradiation grafting Download PDFInfo
- Publication number
- CN201648276U CN201648276U CN2010200333844U CN201020033384U CN201648276U CN 201648276 U CN201648276 U CN 201648276U CN 2010200333844 U CN2010200333844 U CN 2010200333844U CN 201020033384 U CN201020033384 U CN 201020033384U CN 201648276 U CN201648276 U CN 201648276U
- Authority
- CN
- China
- Prior art keywords
- reaction vessel
- reaction
- irradiation grafting
- water
- reaction device
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Graft Or Block Polymers (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
The utility model discloses a grafting reaction device for pre-irradiation grafting, which comprises an inert gas inflating device and at least one reaction vessel, wherein the inert gas inflating device is used for providing inert gas, a sand core is arranged in the reaction vessel, the reaction vessel is divided into an upper layer and a lower layer by the sand core, a gas inlet opening is arranged on the side wall of the lower layer of the reaction vessel and is connected with the inert gas inflating device, the outer side of the reaction vessel is provided with a constant-temperature sandwich layer, a water inlet opening and a water outlet opening are arranged on the constant-temperature sandwich layer and are both connected with a circular constant-temperature water bath tank, the upper end of the reaction vessel is provided with a sample placing opening, a piston is arranged on the sample placing opening, and a vent hole is arranged on the piston. The utility model can obtain uniform small bubbles through the dispersion effect of the sand core by inflating the inert gas from the bottom, the whole reaction solution is stirred through the upward and downward movement of the bubbles, the uniformity of reaction products is improved, and in addition, the reaction vessel is free from vacuum sealing treatment.
Description
Technical field
The utility model relates to a kind of graft reaction device that is used for pre-irradiation grafting, particularly a kind of graft reaction device that is used for pre-irradiation grafting that is applicable to cloth shape or membranaceous homalographic than large sample.
Background technology
The radiation graft copolymerization technology is extremely important aspect in the Radiation Chemistry of Polymer applied research.Radiation-induced graft copolymerization is will and progressively to grow up according to macromolecule modified demand on the basis of radio polymerization reaction.According to the difference of radiation graft copolymerization reactions steps, method for radio-grafting roughly can be divided into mutual radiation grafting method and pre-irradiation grafting method two big classes.
Together the irradiation grafting method relatively, the relatively independent of pre-irradiation grafting technology irradiation and graft reaction step carries out, for studying and production provides great convenience.The pre-irradiation grafting copolymerization can be divided into again that trapped radical causes and two kinds of superoxide methods according to the macromolecular structure characteristics.
Adopt the graft copolymerization of trapped radical initiating method, its sample must keep high vacuum or logical rare gas element deoxygenation at pre-irradiation.Because this method has very strict requirement for high molecular structure and test conditions, and is rare in actual applications.
Different with aforesaid method is when during to high molecular radiation, can generate alkyl peroxide or alkyl peroxide in the system under aerobic conditions.This class superoxide at room temperature can more stable preservation of long period.The method of adopt heating subsequently, adding some reductive agent or UV-irradiation produces the effectively oxygen radical of trigger monomer graft reaction after with peroxide breakdown.
But generally speaking,, in the pre-irradiation grafting reaction process of using, the reaction vessel ware must be carried out graft reaction at a certain temperature after the letting nitrogen in and deoxidizing sealing at present because airborne oxygen is the strong capture agent of free radical.So reaction conditions is strict and this is difficult to continue carry out.For some similar cloth shape or membranaceous sample, be difficult to stir simultaneously.
The utility model content
Thereby the technical problems to be solved in the utility model be for overcome in the pre-irradiation grafting reaction unit of the prior art repeatedly filling with inert gas and after vacuumizing deoxygenation sealing cause can't successive reaction drawback, a kind of graft reaction device that is used for pre-irradiation grafting that is applicable to cloth shape or membranaceous homalographic than large sample is provided.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of graft reaction device that is used for pre-irradiation grafting, its characteristics are that it comprises: one is used to provide the rare gas element of rare gas element to blast device; At least one reaction vessel, be provided with a core in this reaction vessel, this core is divided into this reaction vessel two-layer up and down, the sidewall of the lower floor of this reaction vessel is provided with an inlet mouth, this inlet mouth blasts device with this rare gas element and is connected, the outside of this reaction vessel is provided with a constant temperature interlayer, this constant temperature interlayer is provided with a water-in and a water outlet, this water-in all is connected with a circulation constant temperature water bath with this water outlet, the upper end of this reaction vessel is provided with a setting-out mouth, this setting-out mouth is provided with a piston, and this piston is provided with a ventilating pit.
Wherein, this water-in is located at the below of this constant temperature interlayer, and this water outlet is located at the top of this constant temperature interlayer.
Wherein, this graft reaction device that is used for pre-irradiation grafting comprises two or more this reaction vessels.
Wherein, this water inlet and this inlet mouth place are equipped with a control valve.
Wherein, this reaction vessel adopts glass to make, and this piston is a ground glass stopper.
Wherein, this setting-out mouth place is provided with a serpentine condenser, thereby is used for preventing that the monomer volatilization from changing the monomer concentration of reaction soln.
Wherein, this core is the core of G1, G2, G3, G4, G5 or G6 model.
Wherein, this core is the core of G4 or G5 model.
Wherein, this rare gas element is nitrogen, helium or argon gas.
In the utility model, but above-mentioned optimum condition arbitrary combination on the basis that meets this area general knowledge promptly gets each preferred embodiments of the utility model.
Positive progressive effect of the present utility model is: the utility model is constantly carried the constant temperature water source by the circulation constant temperature water bath in the constant temperature interlayer, can carry out graft reaction simultaneously to a plurality of samples under same steady temperature.In addition, employing obtains uniform small bubbles charge into the dissemination of rare gas element and the core through having uniform pore size from the bottom after, stir entire reaction solution by the even bubble motion from bottom to top that continues the generation of drum nitrogen, make that reaction vessel internal reaction solution is even, improved the homogeneity of reaction product, and reaction soln is carried out the deoxygenation processing owing to feed rare gas element continuously, so need not to carry out vacuum-sealing, handles by reaction vessel, last reaction finishes direct replacing the in back and treats that grafts gets final product, be convenient to the operation of follow-up test, thereby have the quantity-produced characteristics.Further, because each reaction vessel can be controlled separately by control valve, other reaction vessels can work on when a reaction vessel was carried out solution replacement or other operations, had improved the efficient of producing.
Description of drawings
Fig. 1 is the graft reaction schematic representation of apparatus that is used for pre-irradiation grafting among the utility model one embodiment.
Fig. 2 is the structural representation of the reaction vessel among Fig. 1.
Embodiment
Enumerate preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
As shown in Figure 1, the graft reaction device that is used for pre-irradiation grafting in the utility model comprises that one is used to provide the gas cylinder of rare gas element, is example with nitrogen in the present embodiment, and those skilled in the art also can adopt argon gas or helium to replace nitrogen.The gas outlet of gas cylinder connects a rare gas element and blasts device 1, is used for rare gas element is sent into the reaction vessel 2 that is attached thereto.As shown in Figure 2, the bottom of reaction vessel 2 is provided with a core 22, and it can be the core of any one model among the G1-G6, and preferable is G4 or G5 model core.Core 22 is divided into the chamber in the reaction vessel 2 two-layer up and down, last sheaf space is used for ccontaining reaction soln and treats grafts through pre-radiating, the sidewall of lower layer space is provided with an inlet mouth 25, by described inlet mouth 25 reaction vessel 2 and rare gas element are blasted device 1 UNICOM, an air intake control valve can be set at inlet mouth 25 places.The nitrogen that is blasted forms tiny and uniform bubble through core 22 and pours in sheaf space, thereby the reaction soln in the last sheaf space is played stirring action, removes the oxygen in the solution.The top of reaction vessel 2 is provided with a setting-out mouth 27,26 sealings of ground glass piston of described setting-out mouth 27 usefulness, ground glass piston 26 is provided with a ventilating pit 261 that is used for gas communication, is blasted nitrogen in the reaction vessel 2 and drives the oxygen in the solution out of back and flow out from ventilating pit 261.Also be provided with a constant temperature interlayer 21 outside the wall of container of reaction vessel 2, the below of this constant temperature interlayer 21 is provided with a water-in 23, and the top of constant temperature interlayer 21 is provided with a water outlet 24.Described water-in 23 is connected with a circulation constant temperature water bath 3 with water outlet 24, at water-in 23 a water inlet control valve (not shown) can be set.In process of grafting, circulation constant temperature water bath 3 is carried to 21 circulations of constant temperature interlayer by water-in 23 and water outlet 24 and has been heated to the water of preset temp, thereby makes the temperature in the reaction vessel 2 reach the desired temperature of graft reaction.Preferable, this constant temperature interlayer 21 adopts the material with effect of heat insulation to make, and reduces the loss of temperature, guarantees the accuracy of temperature of reaction control.
The graft reaction device that is used for the pre-irradiation grafting reaction in the utility model can comprise one or more above-mentioned reaction vessels.Whether each reaction vessel can feed rare gas element and hot water by control corresponding valve control on inlet mouth and the water-in.
3 pairs of water-bath waters of elder generation's ON cycle constant temperature water bath heat during use, and Heating temperature is adjusted according to different graft reactions, and according to the characteristics of pre-irradiation grafting, but setting range is 60～95 degrees centigrade, and preferable is 65 degrees centigrade.After water temperature reaches design temperature, the reaction soln that adding configures in right amount in reaction vessel 2, to put into reaction soln through the grafts for the treatment of of radiation treatment then, open inlet mouth 25 and feed rare gas element, behind the air that this process continues fully to remove in the reaction soln in 15～20 minutes, continuing to feed under the situation of rare gas element, open the water-in 23 of constant temperature interlayer 21 and the water cycle switch of water outlet 24 and circulation constant temperature water bath 3 successively and begin reaction soln is heated, make peroxide radical decompose the beginning graft polymerization reaction.The utility model is particularly useful for the pre-irradiation grafting reaction of cloth shape or bulk sample.In addition, because each reaction vessel can work alone by control valve control, need not to stop heating and inflation after reaction stops, the grafts of directly changing in the reaction vessel for the treatment of just can carry out graft reaction next time, thereby has the quantity-produced characteristics.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these embodiments.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (9)
1. graft reaction device that is used for pre-irradiation grafting, it is characterized in that it comprises: one is used to provide the rare gas element of rare gas element to blast device; At least one reaction vessel, be provided with a core in this reaction vessel, this core is divided into this reaction vessel two-layer up and down, the sidewall of the lower floor of this reaction vessel is provided with an inlet mouth, this inlet mouth blasts device with this rare gas element and is connected, the outside of this reaction vessel is provided with a constant temperature interlayer, this constant temperature interlayer is provided with a water-in and a water outlet, this water-in all is connected with a circulation constant temperature water bath with this water outlet, the upper end of this reaction vessel is provided with a setting-out mouth, this setting-out mouth is provided with a piston, and this piston is provided with a ventilating pit.
2. the graft reaction device that is used for pre-irradiation grafting according to claim 1 is characterized in that this water-in is located at the below of this constant temperature interlayer, and this water outlet is located at the top of this constant temperature interlayer.
3. the graft reaction device that is used for pre-irradiation grafting according to claim 1 is characterized in that, this graft reaction device that is used for pre-irradiation grafting comprises two or more this reaction vessels.
4. the graft reaction device that is used for pre-irradiation grafting according to claim 1 is characterized in that, this water inlet and this inlet mouth place are equipped with a control valve.
5. the graft reaction device that is used for pre-irradiation grafting according to claim 1 is characterized in that, this reaction vessel adopts glass to make, and this piston is a ground glass stopper.
6. the graft reaction device that is used for pre-irradiation grafting according to claim 1 is characterized in that, this setting-out mouth place is provided with a serpentine condenser.
7. the graft reaction device that is used for pre-irradiation grafting according to claim 1 is characterized in that, this core is the core of G1, G2, G3, G4, G5 or G6 model.
8. the graft reaction device that is used for pre-irradiation grafting according to claim 1 is characterized in that this core is the core of G4 or G5 model.
9. the graft reaction device that is used for pre-irradiation grafting according to claim 1 is characterized in that this rare gas element is nitrogen, helium or argon gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200333844U CN201648276U (en) | 2010-01-22 | 2010-01-22 | Grafting reaction device for pre-irradiation grafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200333844U CN201648276U (en) | 2010-01-22 | 2010-01-22 | Grafting reaction device for pre-irradiation grafting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201648276U true CN201648276U (en) | 2010-11-24 |
Family
ID=43113505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200333844U Expired - Fee Related CN201648276U (en) | 2010-01-22 | 2010-01-22 | Grafting reaction device for pre-irradiation grafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201648276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116666A (en) * | 2011-01-05 | 2011-07-06 | 丹东科泰仪器仪表有限公司 | Constant-temperature sonic nozzle process gas flow calibration facility and constant-temperature stagnation vessel |
-
2010
- 2010-01-22 CN CN2010200333844U patent/CN201648276U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116666A (en) * | 2011-01-05 | 2011-07-06 | 丹东科泰仪器仪表有限公司 | Constant-temperature sonic nozzle process gas flow calibration facility and constant-temperature stagnation vessel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204404762U (en) | A kind of vacuum drying chamber with agitating function | |
| CN204074076U (en) | A kind of reactor with hybrid feed mechanism | |
| CN107043473B (en) | Reclaimed rubber normal-pressure desulfurization system | |
| CN201648276U (en) | Grafting reaction device for pre-irradiation grafting | |
| CN104744946B (en) | A kind of high temperature resistant type silicon rubber foam material and preparation method thereof | |
| CN108059215A (en) | A kind of experimental provision and application method of iron-carbon micro-electrolysis processing oily waste water | |
| CN104805289A (en) | Efficient and automatic device for recovering cadmium ions in high-cadmium solution and recovery method | |
| CN106906133A (en) | A kind of multi-chamber microorganism fermentation tank | |
| CN204544175U (en) | A kind of reactor with waste gas recovering device | |
| CN206735891U (en) | Gas stripping type rotary-cut is aerated disperser | |
| CN105505527A (en) | Preparation method for lubricating oil pour point depressing type viscosity index improver | |
| CN102151537B (en) | Raw rubber polymerization reaction device | |
| JP2002058915A (en) | Water treating tank and water treating device | |
| WO2017006285A1 (en) | Methods and devices for performing reactions | |
| CN206199094U (en) | New and effective stirring conveyor prepared by a kind of medicine | |
| CN114525188A (en) | Aging accelerating process for white spirit | |
| CN206881693U (en) | A kind of ultrasonic continuous reaction apparatus | |
| CN217856108U (en) | Convenient high-efficient preparation mixes device of iron nickel sulfide | |
| CN108905932B (en) | Experimental device suitable for gas-liquid interface reaction and using method thereof | |
| CN105646804A (en) | Preparation method and application of macropore/mesoporous nickel surface ion imprinting polymer | |
| CN206424913U (en) | A kind of acrylic monomers charging device | |
| CN206767822U (en) | A kind of sewage disposal device to stir | |
| CN206692629U (en) | Yeast lactic acid mixed microbes continuous fermentation tank | |
| CN107915806B (en) | Method for grafting polar monomer onto polypropylene particles | |
| CN109926026A (en) | A kind of ion-exchange type decolorizing printing and dyeing waste water gel mould and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130122 |