CN205269665U - Emulsion polymerisation reation kettle - Google Patents
Emulsion polymerisation reation kettle Download PDFInfo
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- CN205269665U CN205269665U CN201620016757.4U CN201620016757U CN205269665U CN 205269665 U CN205269665 U CN 205269665U CN 201620016757 U CN201620016757 U CN 201620016757U CN 205269665 U CN205269665 U CN 205269665U
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- agitator
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- emulsion polymerization
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Abstract
The utility model provides an emulsion polymerisation reation kettle, it includes: reation kettle body, top cap, bottom and agitator. The reation kettle body is provided with the cavity that holds that is used for holding reaction solution, and the agitator includes agitator motor, rabbling mechanism and setting element, and the rabbling mechanism includes puddler and a plurality of stirring vane. Rabbling mechanism, setting element all are located and hold the cavity. The setting element with hold wall connection in the cavity, the one end of the neighbouring bottom of puddler is passed through the bearing and is rotated with the setting element and be connected, the setting element is close to the discharge gate. Because both ends with the puddler are all by spacing, consequently, the degree of the rocking greatly reduced of pivoted puddler to the distortion of having avoided the puddler damages the condition of perhaps colliding the reation kettle body.
Description
Technical field
The utility model relates to Polymer production apparatus field, specifically, it relates to a kind of emulsion polymerization still.
Background technology
Emulsion polymerization still is a kind of conversion unit being widely used in chemical industry, food, medicine and other fields. Emulsion polymerization still take generally water as medium, and its operating pressure, temperature are not high, therefore security height, operation of being more convenient for. But different according to the product produced, the requirement of letex polymerization still is also not quite similar. The design of existing emulsion polymerization still is unreasonable causes whipping appts to rock greatly, easily damage.
Practical novel content
The purpose of this utility model is to provide a kind of emulsion polymerization still, it is to increase the stability of the whipping appts in reactor, avoids rocking of whipping appts, so that it is guaranteed that the use weather resistance of whipping appts.
The utility model is achieved in that
Emulsion polymerization still comprises: reactor body, top cover, bottom and agitator, reactor body is provided with the accommodating chamber for holding reaction soln, reactor body two ends be provided with opening and respectively with bottom, top cover connects, agitator comprises agitator motor, stirring mechanism and positioning element, agitator motor is arranged at outside top cover, stirring mechanism and positioning element are positioned at accommodating chamber, stirring mechanism comprises agitator arm and is connected to multiple agitating vanes of agitator arm end, positioning element is connected with the inwall of reactor body, agitator arm is rotating is connected to positioning element.
Preferably, positioning element is circular ring structure, and positioning element is provided with the first limited impression, and agitator arm is arranged in the first limited impression by bearing.
Contact area between annulus and accommodating chamber inwall is big, therefore, the stability that annulus is fixed on accommodating chamber improves, bigger impact, perturbation action can be born, so that the stable of connected bearing also improves thereupon, and then play the restriction effect to agitator arm, avoid agitator arm and rock, reduce friction, it is to increase the stability that agitator arm rotates.
Preferably, arranging elastomeric pad in the first limited impression, bearing contacts connection with elastomeric pad.
Elastomeric pad can produce deformation under external forces, plays the effect of damping, lubrication, thus reduces the friction between bearing and annulus, avoids the small vibration of agitator arm to the impact of annulus, it is to increase its stability.
Preferably, positioning element comprises at least three poles and set collar, and one end of pole is connected with set collar outer wall, and the other end of pole is connected with the inwall of reactor body, set collar is provided with the 2nd limited impression, and agitator arm is arranged in the 2nd limited impression by bearing.
Three supports and set collar are connected to form tripod-shaped structure, and three poles are fixed on accommodating chamber inwall away from one end of set collar and are formed a stable plane, at the same time it is assured that the stability of the agitator arm being connected with set collar. In addition, pole also can play the effect improving mixing effect. Agitating vane rotational response solution motion, pole can hinder the proper motion of reaction soln, causes the change of its flow pattern, makes reaction soln local stir bigger.
Preferably, emulsion polymerization still also comprises: step-down gear, and agitator arm is connected with agitator motor by step-down gear.
When agitator motor excessive velocities and its rotating speed controllability are not high, therefore, the rotation controllability of agitator arm is also lower, acceleration and the abrupt deceleration suddenly that stir may cause agitator arm repeatedly to carry out back rotation under the drive of agitating vane, thus the rotating shaft of agitator motor is caused certain infringement, reduce the stability and stability that are connected between agitating vane with agitator arm simultaneously.
Step-down gear then can lower the rotating speed of agitator motor, and the controllability of the rotating speed of agitator arm is increased greatly, and the rotation of agitator arm and stopping are more steady, mitigation, thus the impact that when reducing high-speed rotation, agitating vane and agitator arm are subject to.
Preferably, described emulsion polymerization still also comprises: be arranged in accommodating chamber and away from the traverse baffle of agitating vane, the inwall of reactor is fixed in the side of traverse baffle.
Traverse baffle increases the reaction soln resistance of motion, changes the flow pattern of reaction soln so that stirring more abundant, the reaction homogeneity of reaction soln is higher. In addition, when agitator motor shuts down, traverse baffle hinders the motion of reaction soln so that it is agitating vane and agitator arm can stop sooner, so that can quickly discharging.
Preferably, agitating vane is symmetrical arranged with the axial centre of agitator arm. Agitating vane is symmetrical arranged the problem rocking or forcing deflection avoiding agitator arm list side excessive by power and to cause, and reduces agitator arm distortion by power, it is ensured that the degree that is connected firmly of the junction between the output shaft of agitator motor and agitator arm.
Preferably, emulsion polymerization still also comprises: rock arm, and the middle part of rock arm is provided with fixed orifices, and agitator arm is fixedly connected with through fixed orifices with rock arm, and rock arm is connected to one end of the contiguous agitator motor of agitator arm.
Rock arm is arranged at one end of the contiguous agitator motor of agitator arm, then the two ends of agitator arm are limited by rock arm and agitating vane acting in conjunction, agitator arm two ends simultaneously by power, the rotation making agitator arm more steadily, braking faster. In addition, rock arm also plays the effect improving stirring intensity so that the disturbance that reaction soln is subject to is stronger, thus improves mixing effect.
Preferably, bottom is provided with thief hole, and thief hole is connected with accommodating chamber, and thief hole is connected with valve.
During the sampling analysis of existing reactor, utilize valve and Y-tube to coordinate and put material sampling from discharge port. But, this just causes the resident reaction soln of meeting between discharge port and valve, thus can cause blocking, and then impact samples normally and puts material. Thief hole and discharge port are independently arranged, it is possible to simplify the structure of sampling unit, it is convenient to safeguard and change. Meanwhile, thief hole and discharge port can independently use, then can reduce the frequent loaded down with trivial details step opening discharge port. Thief hole sampling amount is few, and discharge hole for discharge amount is big, and both independently arrange the waste that can reduce reaction soln.
Preferably, emulsion polymerization still also comprises: scraper plate, and scraper plate is arranged at one end of the contiguous bottom of agitator arm and is connected with the sidewall of agitator arm.
Easily there is the problem that glue slag blocks in the discharge port of reactor, discharge port then can be produced scratch effect by scraper plate, reduces the glue slag being piled up in discharge port. Can freely be flowed out by discharge port when reaction soln is fluid state; When glue slag is piled up in discharge port, the glue slag of accumulation is broken up, is set ahead by scraper plate, keeps the usual of discharge port, thus realizes discharging fast and efficiently.
The useful effect of such scheme:
The utility model provides a kind of emulsion polymerization still, and it comprises the whipping appts fixed by positioning element. By the position-limiting action of positioning element, the situation of rocking of whipping appts is reduced greatly, thus improves the working security of whipping appts, avoid the situation that whipping appts and reactor inwall collide.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, it is briefly described to the accompanying drawing used required in embodiment below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore should not be counted as is the restriction to scope, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
The structural representation of the emulsion polymerization still that Fig. 1 provides for the utility model embodiment 1;
The structural representation of the positioning element in the emulsion polymerization still that Fig. 2 provides for the utility model embodiment 1;
The structural representation of another kind of positioning element in the emulsion polymerization still that Fig. 3 provides for the utility model embodiment 1;
The structural representation of the emulsion polymerization still that Fig. 4 provides for the utility model embodiment 2;
The structural representation of the reactor body being provided with traverse baffle in the emulsion polymerization still that Fig. 5 provides for the utility model embodiment 2;
The structural representation of the emulsion polymerization still that Fig. 6 provides for the utility model embodiment 3.
Description of reference numerals
Reactor body 101; Top cover 102; Bottom 103; Agitator motor 104;
Agitator arm 105; Agitating vane 106; Positioning element 107;
First limited impression 109; Set collar 110; Pole 111; 2nd limited impression 112;
Discharge port 113; Traverse baffle 201; Rock arm 301; Thief hole 302;
Stirring mechanism 400; Agitator 401; Accommodating chamber 402.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments. The assembly of the utility model embodiment usually describing in accompanying drawing herein and illustrating can be arranged with various different configuration and design. Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but only represent selected embodiment of the present utility model. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that: similar label and letter accompanying drawing below represents similar item, therefore, once a certain Xiang Yi accompanying drawing is defined, then do not need it carries out definition further and explains in accompanying drawing subsequently.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " outward " or position are closed, or this practicality novel product orientation usually put or position relation when using, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model. in addition, term " first ", " the 2nd ", " the 3rd " etc. are only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, such as, it is possible to be fixedly connected with, can also be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to particular case understands the concrete implication of above-mentioned term in the utility model.
Embodiment 1
Consult Fig. 1 to Fig. 3, present embodiments provide a kind of emulsion polymerization still 100, comprising: reactor body 101, top cover 102, bottom 103 and agitator 401. Reactor body 101 is provided with the accommodating chamber 402 for holding reaction soln, agitator 401 comprises agitator motor 104, stirring mechanism 400 and positioning element 107, stirring mechanism 400 comprises agitator arm 105 and multiple agitating vane 106, agitating vane 106 is arranged at agitator arm 105, and stirring mechanism 400, positioning element 107 are all positioned at accommodating chamber 402.
Reactor body 101 is tubular construction, reactor body 101 both ends open and being connected with bottom 103, top cover 102 respectively. Agitator motor 104 is arranged at top cover 102, and one end of agitator arm 105 is connected with the output revolving shaft of agitator motor 104. Bottom 103 is provided with discharge port 113, and discharge port 113 is connected with accommodating chamber 402, and positioning element 107 is connected with accommodating chamber 402 inwall, and one end of the contiguous bottom 103 of agitator arm 105 is rotationally connected by bearing and positioning element 107, the contiguous discharge port 113 of positioning element 107.
In order to avoid reaction soln system to the erosion of reactor body 101, reactor body 101 can adopt clad steel plate to be made, top cover 102 and bottom 103 are connected with reactor body 101 by seal washer, it is to increase the stopping property of reactor, avoid the problems such as reaction soln generation seepage.
Existing reactor, many employing suspension type whipping apptss, namely one end of whipping appts is connected with drive system, and the other end of whipping appts is directly outstanding to be put in reactor. When the volume of reactor is less, it is little that the rotation of whipping appts is subject to impact; When reactor volume is bigger, the impact that the whipping appts of high-speed rotation is subject to reaction soln is relatively big, and whipping appts may shake, and then causes the collision with reactor or the connection portion with external drive system to loosen.
For the problems referred to above, the reactor that the present embodiment provides is provided with a kind of whipping appts with stationary installation. This whipping appts is the agitator 401 being made up of agitator motor 104, stirring mechanism 400 and positioning element 107, and stirring mechanism 400 comprises agitator arm 105 and multiple agitating vane 106 (in the present embodiment being three). One end of agitator arm 105 is connected with agitator motor 104, and the other end of agitator arm 105 is connected with positioning element 107, thus the two ends making agitator arm 105 are all limited, and rocking of agitator arm 105 reduces greatly. What agitator arm 105 rocked weakens, it is possible to avoid agitating vane 106 and accommodating chamber 402 directly to collide, it is to increase the slow-roll stabilization of agitator arm 105, thus is conducive to improving whipping appts work-ing life.
As a kind of implementation, positioning element 107 is circular ring structure. Positioning element 107 is provided with the first limited impression 109, and agitator arm 105 bearing is arranged in the first limited impression 109. Positioning element 107 is fixed on the inwall of accommodating chamber 402, and it arranges the first limited impression 109 in order to hold bearing. Agitator arm 105 is that transfer is rotated under the first spacing groove restriction effect of circular positioning element 107 taking bearing.
In order to avoid the abrasion of the extruding between bearing and annulus and friction, minimizing annulus, arranging elastomeric pad in the first limited impression 109, bearing contacts connection with elastomeric pad. Elastomeric pad is out of shape under external force squeezing action, thus plays shock absorption.
As another kind of implementation, consulting Fig. 3, positioning element 107 is made up of three poles 111 and set collar 110. Wherein, one end of pole 111 is connected with set collar 110 outer wall, the other end of pole 111 is connected with the inwall of reactor body 101, and set collar 110 is provided with the 2nd limited impression 112 for placing bearing, and agitator arm 105 is arranged in described 2nd limited impression by bearing. The quantity of pole 111 can increase as required, and its concrete quantity is not limited by the present embodiment, but at least three.
Three poles 111 are connected to form similar tripod structure, and one end of three poles 111 and accommodating chamber 402 are connected to form a stable plane, make positioning element 107 keep stable, and minimizing is subject to the impact of the reaction soln stirred. Pole 111 also can in order to stop that reaction soln moves, and the reaction soln of motion strikes against pole 111 thus changes flow pattern, makes stirring more violent.
Embodiment 2
Consult Fig. 4, Fig. 5, present embodiments provide a kind of emulsion polymerization still 100a, comprising: reactor body 101, top cover 102, bottom 103 and agitator 401. Reactor body 101 is provided with the accommodating chamber 402 for holding reaction soln, agitator 401 comprises agitator motor 104, stirring mechanism 400 and positioning element 107, stirring mechanism 400 comprises agitator arm 105 and multiple agitating vane 106, agitating vane 106 is arranged at agitator arm 105, and stirring mechanism 400, positioning element 107 are all positioned at accommodating chamber 402. In order to make agitator arm 105 more balanced by power, agitating vane 106 is symmetrical arranged with the axial centre of agitator arm 105. Agitating vane 106 can be subject to reaction soln simultaneously to be impacted, and agitating vane 106 is symmetrical arranged, thus the reactive force that agitator arm 105 is balanced, the problem avoiding agitator arm 105 uneven by power and to cause it to rock.
Reactor body 101 is tubular construction, reactor body 101 both ends open and being connected with bottom 103, top cover 102 respectively. Agitator motor 104 is arranged at top cover 102, and one end of agitator arm 105 is connected with the output revolving shaft of agitator motor 104. Bottom 103 is provided with discharge port 113, and discharge port 113 is connected with accommodating chamber 402, and positioning element 107 is connected with accommodating chamber 402 inwall, and one end of the contiguous bottom 103 of agitator arm 105 is rotationally connected by bearing and positioning element 107, the contiguous discharge port 113 of positioning element 107.
Owing to the rotating speed of agitator motor 104 is higher, inconvenience its rotating speed of control, the rotation controllability of agitator arm 105 is caused to reduce, and during the opening and closing of agitator motor 104, the change of speed is big, and agitator arm 105 and agitating vane 106 are rotated further under inertia effect the degree that is connected firmly of agitator arm 105 and agitating vane 106 can be caused to decline, it is unfavorable for improving the work-ing life of agitator 401.
The output speed of agitator motor 104 is reduced, to improve the controllability stirred by arranging step-down gear. Specifically, agitator arm 105 is connected with agitator motor 104 by step-down gear. The output shaft of agitator motor 104 is connected with the input shaft of step-down gear, and the output shaft of step-down gear is connected with agitator arm 105. Utilize step-down gear more convenient can realize the rotating speed control of agitator 401, to reduce rocking of the agitating vane 106 of agitator arm 105.
Goodly, emulsion polymerization still is also provided with traverse baffle 201, and traverse baffle 201 is positioned at accommodating chamber 402 and away from agitating vane 106, the inwall of reactor body 101 is fixed in the side of traverse baffle 201. Reaction soln motion under the driving of agitating vane 106, when it impacts traverse baffle 201, traverse baffle 201 affects the proper flow of reaction soln, thus its direction of motion is changed, and changes the flow pattern of local, thus the effect being uniformly mixed improves.
Embodiment 3
Consult Fig. 6, present embodiments provide a kind of emulsion polymerization still 100b, comprising: reactor body 101, top cover 102, bottom 103 and agitator 401. Reactor body 101 is provided with the accommodating chamber 402 for holding reaction soln, agitator 401 comprises agitator motor 104, stirring mechanism 400 and positioning element 107, stirring mechanism 400 comprises agitator arm 105 and multiple agitating vane 106, agitating vane 106 is arranged at agitator arm 105, and stirring mechanism 400, positioning element 107 are all positioned at accommodating chamber 402.
Reactor body 101 is tubular construction, reactor body 101 both ends open and being connected with bottom 103, top cover 102 respectively. Agitator motor 104 is arranged at top cover 102, and one end of agitator arm 105 is connected with the output revolving shaft of agitator motor 104. Bottom 103 is provided with discharge port 113, and discharge port 113 is connected with accommodating chamber 402, and positioning element 107 is connected with accommodating chamber 402 inwall, and one end of the contiguous bottom 103 of agitator arm 105 is rotationally connected by bearing and positioning element 107, the contiguous discharge port 113 of positioning element 107.
In addition, emulsion polymerization still is also provided with rock arm 301, and the middle part of rock arm 301 is provided with fixed orifices, and agitator arm 105 is fixedly connected with through fixed orifices with rock arm 301, and rock arm 301 is connected to one end of the contiguous agitator motor 104 of agitator arm 105. Rock arm 301 increases the contact area between agitator arm 105 and reaction soln, and the rock arm 301 of agitator arm 105 both sides is subject to supporting role power, the difficulty of rocking of agitator arm 105 is increased, thus improves the stability of agitator arm 105.
In order to control reaction process, it is necessary to the reaction soln of letex polymerization is carried out sampling analysis, consequently, it is desirable to arrange sampling unit. Existing reactor, utilizes discharge port 113 to sample, but, this but result in the problem that blocking occurs reaction soln. Based on above-mentioned situation, the reactor in this enforcement is provided with independent thief hole 302, and thief hole 302 is arranged at bottom 103, and thief hole 302 is connected with accommodating chamber 402, and thief hole 302 is connected with valve.
Design independent thief hole 302, can avoid utilizing discharge port 113 sampling to cause the problem of material waste, prevent the situation that frequently unlatching discharge port 113 causes discharge port 113 to block. Thief hole 302 can complete sampling fast, shortens the operating time. In addition, reactor also comprises scraper plate, and scraper plate is arranged at the contiguous one end of bottom 103 of agitator arm 105 and the sidewall with agitator arm 105 is connected. The rotating drive scraper plate of agitator arm 105 rotates, such that it is able to the glue slag being gathered in discharge port 113 is broken up or peeled off, thus avoids the blocking of discharge port 113.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an emulsion polymerization still, it is characterized in that, comprise: reactor body, top cover, bottom and agitator, described reactor body is provided with the accommodating chamber for holding reaction soln, described reactor body two ends be provided with opening and respectively with described bottom, described top cover connects, described agitator comprises agitator motor, stirring mechanism and positioning element, described agitator motor is arranged at outside described top cover, described stirring mechanism and described positioning element are positioned at described accommodating chamber, described stirring mechanism comprises agitator arm and is connected to multiple agitating vanes of described agitator arm end, described positioning element is connected with the inwall of described reactor body, described agitator arm is rotating is connected to described positioning element.
2. emulsion polymerization still according to claim 1, it is characterised in that, described positioning element is circular ring structure, and described positioning element is provided with the first limited impression, and described agitator arm is arranged in described first limited impression by bearing.
3. emulsion polymerization still according to claim 2, it is characterised in that, in described first limited impression, elastomeric pad is set, described bearing contacts connection with described elastomeric pad.
4. emulsion polymerization still according to claim 1, it is characterized in that, described positioning element comprises at least three poles and set collar, one end of described pole is connected with described set collar outer wall, the other end of described pole is connected with the inwall of described reactor body, described set collar is provided with the 2nd limited impression, and described agitator arm is arranged in described 2nd limited impression by bearing.
5. according to the emulsion polymerization still one of Claims 1-4 Suo Shu, it is characterised in that, described agitator also comprises: step-down gear, and described agitator arm is connected with described agitator motor by described step-down gear.
6. emulsion polymerization still according to claim 5, it is characterised in that, also comprise: be arranged in described accommodating chamber and away from the traverse baffle of described agitating vane, the inwall of described reactor body is fixed in the side of described traverse baffle.
7. emulsion polymerization still according to claim 1, it is characterised in that, described agitating vane is symmetrical arranged with the axial centre of described agitator arm.
8. emulsion polymerization still according to claim 1, it is characterized in that, also comprise: rock arm, the middle part of described rock arm is provided with fixed orifices, described agitator arm is fixedly connected with through described fixed orifices with described rock arm, and described rock arm is connected to one end of the contiguous described agitator motor of described agitator arm.
9. emulsion polymerization still according to claim 7 or 8, it is characterised in that, described bottom is provided with thief hole, and described thief hole is connected with described accommodating chamber, and described thief hole is connected with valve.
10. emulsion polymerization still according to claim 1, it is characterised in that, also comprise: scraper plate, described scraper plate is arranged at the contiguous one end of described bottom of described agitator arm and the sidewall with described agitator arm is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620016757.4U CN205269665U (en) | 2016-01-08 | 2016-01-08 | Emulsion polymerisation reation kettle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620016757.4U CN205269665U (en) | 2016-01-08 | 2016-01-08 | Emulsion polymerisation reation kettle |
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| CN205269665U true CN205269665U (en) | 2016-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126643A (en) * | 2018-01-15 | 2018-06-08 | 安徽龙谷商贸有限公司 | A kind of combined type emulsion polymerization kettle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126643A (en) * | 2018-01-15 | 2018-06-08 | 安徽龙谷商贸有限公司 | A kind of combined type emulsion polymerization kettle |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: MBS (Methyl methacrylate-Butadiene-Styrene) emulsion polymerization reaction kettle Effective date of registration: 20171222 Granted publication date: 20160601 Pledgee: Jiangxi science and technology Company Limited by Guarantee Pledgor: JIANGXI YUEFENG POLYMER CO., LTD. Registration number: 2017360000047 |
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Date of cancellation: 20190129 Granted publication date: 20160601 Pledgee: Jiangxi science and technology Company Limited by Guarantee Pledgor: JIANGXI YUEFENG POLYMER CO., LTD. Registration number: 2017360000047 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: MBS (Methyl methacrylate-Butadiene-Styrene) emulsion polymerization reaction kettle Effective date of registration: 20190221 Granted publication date: 20160601 Pledgee: Jiangxi science and technology Company Limited by Guarantee Pledgor: JIANGXI YUEFENG POLYMER CO., LTD. Registration number: 2019360000009 |
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Date of cancellation: 20200403 Granted publication date: 20160601 Pledgee: Jiangxi science and technology Company Limited by Guarantee Pledgor: JIANGXI YUEFENG POLYMER Co.,Ltd. Registration number: 2019360000009 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |