CN202849301U - Continuous production device of polyphenylene terephthalamide resins - Google Patents
Continuous production device of polyphenylene terephthalamide resins Download PDFInfo
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- CN202849301U CN202849301U CN 201220508501 CN201220508501U CN202849301U CN 202849301 U CN202849301 U CN 202849301U CN 201220508501 CN201220508501 CN 201220508501 CN 201220508501 U CN201220508501 U CN 201220508501U CN 202849301 U CN202849301 U CN 202849301U
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Abstract
The utility model discloses a continuous production device of polyphenylene terephthalamide resins, belongs to the field of polymer materials, and relates to a polymer material manufacturing technology. The device is characterized in that the device comprises a p-phenylenediamine melt and solvent mixing and cooling device, a pre-polycondensed twin-screw reactor, a combined second-order polycondensed twin-screw reactor and a water washing device. After the device is adopted, p-phenylenediamine and paraphthaloyl chloride are fed in a melt mode, so that continuous metering errors are reduced, the influence of the concentration and flow fluctuations of solvents on the molar ratio of p-phenylenediamine to paraphthaloyl chloride is reduced, and obtained polyphenylene terephthalamide resins are stable in quality, narrow in molecular weight distribution and low in ash content, therefore, the device is applicable to the industrial large-scale continuous preparation of polyphenylene terephthalamide resins.
Description
Technical field
Belong to polymeric material field, relate to the Polymer materialspreparation technology.Exactly relate to a kind of continuous production device of PPTA resin.
Background technology
The Fanglun 1414 also claims para-aramid fiber, p-aramid fiber is the widest, the organic fibre that has the call of purposes in the world today's three large high-performance fibers, p-aramid fiber is called " changeable Buddha's warrior attendant " by material circle, its purposes is very extensive, be the first-selection of making high-strength light plate armour and special type protection material, be widely used in the fields such as space flight, aviation, military project, electromechanics, building, automobile, sports goods.
The quality of Fanglun 1414's quality and PPTA resin has very large dependency, only has that logarithmic viscosity number is high, even molecular weight distribution and the low PPTA resin of ash content could stably prepare high-quality Fanglun 1414.
US Patent No. P3850888, USP3884881, Chinese patent CN 1687186A, CN10155023A disclose the method for continuous production PPTA resin, but equal unexposed its production equipments; Chinese patent CN 102206339A discloses the method for continuous production PPTA resin, its production equipment is also disclosed simultaneously, but this device is when Ursol D is reinforced, adopt Powdered Ursol D feed way, error in dipping is larger, and be difficult to reach the effect that moment mixes when mixing with p-phthaloyl chloride, in addition, this device arranges a tempering tank between number one double-screw reactor and No. second double-screw reactor, increased the control difficulty of residence time of material, in case residence time of material control is inaccurate, material will solidify in tempering tank, blocking pipeline.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of continuous production device of PPTA resin is provided.
The technical scheme that the utility model is taked is as follows:
A kind of continuous production device of PPTA resin, the annexation of its device is: at CaCl
2Connecting solvent delivery pump and solvent flux meter between the solvent input terminus of the output terminal of-nmp solvent holding tank and mixing tank; Between the PPD input terminus of the output terminal of PPD melting holding tank and mixing tank, connecting PPD transferpump and PPD under meter; Between the PPD solution input terminus of the output terminal of mixing tank and batching mixing tank, connecting interchanger; Between the TPC input terminus of the output terminal of TPC melting holding tank and batching mixing tank, connecting TPC transferpump and TPC under meter; The output terminal of batching mixing tank directly is connected on the input terminus of precondensation double-screw reactor; The output terminal of precondensation double-screw reactor is connecting the input terminus of polycondensation double-screw reactor; Between the output terminal of the input terminus of material stock tank and polycondensation double-screw reactor, connecting rinsing machine.
Positively effect of the present utility model is:
(1) is applicable to large-scale industrialization continuous production PPTA resin;
(2) Ursol D and p-phthaloyl chloride all adopt the melt feed way, have reduced the continuous measurement error;
(3) CaCl
2The fluctuation of-nmp solvent concentration and flow can not affect the mole proportioning of Ursol D and p-phthaloyl chloride;
(4) stable, the narrow molecular weight distribution of gained PPTA resin quality, ash content are low.
Description of drawings
Fig. 1 is the utility model production equipment structural representation
Embodiment
Now by reference to the accompanying drawings structure of the present utility model is described further.
A kind of continuous production device of PPTA resin, the annexation of its device is: at CaCl
2Connecting solvent delivery pump (3) and solvent flux meter (5) between the solvent input terminus of the output terminal of-nmp solvent holding tank (1) and mixing tank (7); Between the PPD input terminus of the output terminal of PPD melting holding tank (2) and mixing tank (7), connecting PPD transferpump (4) and PPD under meter (6); Between the PPD solution input terminus of the output terminal of mixing tank (7) and batching mixing tank (12), connecting interchanger (8); Between the TPC input terminus of the output terminal of TPC melting holding tank (9) and batching mixing tank (12), connecting TPC transferpump (10) and TPC under meter (11); The output terminal of batching mixing tank (12) directly is connected on the input terminus of precondensation double-screw reactor (13); The output terminal of precondensation double-screw reactor (13) is connecting the input terminus of polycondensation double-screw reactor (14); Between the output terminal of the input terminus of material stock tank (16) and polycondensation double-screw reactor (14), connecting rinsing machine (15).
Described solvent delivery pump (3) adopts impeller pump or toothed gear pump, preferentially selects toothed gear pump.
Described PPD transferpump (4) and TPC transferpump (10) adopt toothed gear pump.
Described solvent flux meter (5) adopts volumetric flow meter or mass flowmeter, preferentially selects mass flowmeter.
Described PPD under meter (6) and TPC under meter (11) adopt mass flowmeter.
Described mixing tank (7) adopts static mixer.
Described interchanger (8) adopts plate-type heat exchanger.
Described precondensation double-screw reactor (13) diameter is 110～130mm, length-to-diameter ratio 6～8, and rotating speed is 200～400rpm, preferentially selecting precondensation double-screw reactor (13) diameter is 125mm, length-to-diameter ratio 7.2, rotating speed is 250～350rpm.
Described polycondensation double-screw reactor (14) is built-up type second order double-screw reactor, the first rank double-screw reactor diameter is 110～130mm, length-to-diameter ratio 6～8, rotating speed is 200～400rpm, second-order double-screw reactor diameter is 380～420mm, length-to-diameter ratio is 9～11, rotating speed is 20～80rpm, the first rank double-screw reactor diameter of preferential selection polycondensation double-screw reactor (14) is 125mm, length-to-diameter ratio 7.2, rotating speed are 250～350rpm, and second-order double-screw reactor diameter is 400mm, length-to-diameter ratio is 10, and rotating speed is 30～60rpm.
Described rinsing machine (15) adopts centrifugal filter or horizontal vacuum belt filter, preferential selection level belt vacuum filter.
Case study on implementation.
Embodiment 1:
CaCl in the holding tank (1)
2PPD melt in-nmp solvent and the PPD melting holding tank (2), respectively under the conveying of gear type solvent delivery pump (3) and PPD transferpump (4), under the metering of quality formula solvent flux meter (5) and PPD under meter (6), with 1050.0 mass parts/hour and 60.2 mass parts/hour speed, join continuously simultaneously in the mixing tank (7) and mix, mixed solution is behind interchanger (8), temperature is reduced to below 0 ℃, TPC melt with 113.02 mass parts/little, join continuously simultaneously in the batching mixing tank (12) and mix, then flowing into diameter is 125mm, length-to-diameter ratio is 7.2, rotating speed is 300rpm, jacket temperature is 0 ℃ precondensation double-screw reactor, in this reactor, flow into polycondensation double-screw reactor (14) behind the reaction 8s, polycondensation double-screw reactor (14) is built-up type second order double-screw reactor, the first rank double-screw reactor diameter is 125mm, length-to-diameter ratio 7.2, rotating speed is 300rpm, second-order double-screw reactor diameter is 400mm, length-to-diameter ratio is 10, rotating speed is 60rpm, material reacts 8min in polycondensation double-screw reactor (14) after, extrude faint yellow crumb shape polymer mixture, this mixture obtains moisture PPTA polymer after rinsing machine (15) washing, this polymer obtains being fit to the PPTA resin that spinning is used after drying.
Embodiment 2:
CaCl in the holding tank (1)
2PPD melt in-nmp solvent and the PPD melting holding tank (2), respectively under the conveying of gear type solvent delivery pump (3) and PPD transferpump (4), under the metering of quality formula solvent flux meter (5) and PPD under meter (6), with 1000.0 mass parts/hour and 58.0 mass parts/hour speed, join continuously simultaneously in the mixing tank (7) and mix, mixed solution is behind interchanger (8), temperature is reduced to below 0 ℃, TPC melt with 108.9 mass parts/little, join continuously simultaneously in the batching mixing tank (12) and mix, then flowing into diameter is 125mm, length-to-diameter ratio is 7.2, rotating speed is 250rpm, jacket temperature is 0 ℃ precondensation double-screw reactor, in this reactor, flow into polycondensation double-screw reactor (14) behind the reaction 10s, polycondensation double-screw reactor (14) is built-up type second order double-screw reactor, the first rank double-screw reactor diameter is 125mm, length-to-diameter ratio 7.2, rotating speed is 250rpm, second-order double-screw reactor diameter is 400mm, length-to-diameter ratio is 10, rotating speed is 50rpm, material reacts 10min in polycondensation double-screw reactor (14) after, extrude faint yellow crumb shape polymer mixture, this mixture obtains moisture PPTA polymer after rinsing machine (15) washing, this polymer obtains being fit to the PPTA resin that spinning is used after drying.
Embodiment 3:
CaCl in the holding tank (1)
2PPD melt in-nmp solvent and the PPD melting holding tank (2), respectively under the conveying of gear type solvent delivery pump (3) and PPD transferpump (4), under the metering of quality formula solvent flux meter (5) and PPD under meter (6), with 950.0 mass parts/hour and 50.0 mass parts/hour speed, join continuously simultaneously in the mixing tank (7) and mix, mixed solution is behind interchanger (8), temperature is reduced to below 0 ℃, TPC melt with 93.7 mass parts/little, join continuously simultaneously in the batching mixing tank (12) and mix, then flowing into diameter is 125mm, length-to-diameter ratio is 7.2, rotating speed is 200rpm, jacket temperature is 0 ℃ precondensation double-screw reactor, in this reactor, flow into polycondensation double-screw reactor (14) behind the reaction 12s, polycondensation double-screw reactor (14) is built-up type second order double-screw reactor, the first rank double-screw reactor diameter is 125mm, length-to-diameter ratio 7.2, rotating speed is 200rpm, second-order double-screw reactor diameter is 400mm, length-to-diameter ratio is 10, rotating speed is 50rpm, material reacts 12min in polycondensation double-screw reactor (14) after, extrude faint yellow crumb shape polymer mixture, this mixture obtains moisture PPTA polymer after rinsing machine (15) washing, this polymer obtains being fit to the PPTA resin that spinning is used after drying.
Claims (10)
1. the continuous production device of a PPTA resin, it is characterized in that: the annexation of its device is: at CaCl
2Connecting solvent delivery pump (3) and solvent flux meter (5) between the solvent input terminus of the output terminal of-nmp solvent holding tank (1) and mixing tank (7); Between the PPD input terminus of the output terminal of PPD melting holding tank (2) and mixing tank (7), connecting PPD transferpump (4) and PPD under meter (6); Between the PPD solution input terminus of the output terminal of mixing tank (7) and batching mixing tank (12), connecting interchanger (8); Between the TPC input terminus of the output terminal of TPC melting holding tank (9) and batching mixing tank (12), connecting TPC transferpump (10) and TPC under meter (11); The output terminal of batching mixing tank (12) directly is connected on the input terminus of precondensation double-screw reactor (13); The output terminal of precondensation double-screw reactor (13) is connecting the input terminus of polycondensation double-screw reactor (14); Between the output terminal of the input terminus of material stock tank (16) and polycondensation double-screw reactor (14), connecting rinsing machine (15).
2. the continuous production device of a kind of PPTA resin according to claim 1 is characterized in that: described solvent delivery pump (3) employing impeller pump or toothed gear pump.
3. the continuous production device of a kind of PPTA resin according to claim 1 is characterized in that: described PPD transferpump (4) and TPC transferpump (10) employing toothed gear pump.
4. the continuous production device of a kind of PPTA resin according to claim 1 is characterized in that: described solvent flux meter (5) employing volumetric flow meter or mass flowmeter.
5. the continuous production device of a kind of PPTA resin according to claim 1 is characterized in that: described PPD under meter (6) and TPC under meter (11) employing mass flowmeter.
6. the continuous production device of a kind of PPTA resin according to claim 1 is characterized in that: described mixing tank (7) employing static mixer.
7. the continuous production device of a kind of PPTA resin according to claim 1 is characterized in that: described interchanger (8) employing plate-type heat exchanger.
8. the continuous production device of a kind of PPTA resin according to claim 1, it is characterized in that: described precondensation double-screw reactor (13) diameter is 110～130mm, length-to-diameter ratio 6～8, rotating speed is 200～400rpm.
9. the continuous production device of a kind of PPTA resin according to claim 1, it is characterized in that: described polycondensation double-screw reactor (14) is built-up type second order double-screw reactor, the first rank double-screw reactor diameter is 110～130mm, length-to-diameter ratio 6～8, rotating speed is 200～400rpm, second-order double-screw reactor diameter is 380～420mm, and length-to-diameter ratio is 9～11, and rotating speed is 20～80rpm.
10. the continuous production device of a kind of PPTA resin according to claim 1 is characterized in that: described rinsing machine (15) employing centrifugal filter or horizontal vacuum belt filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220508501 CN202849301U (en) | 2012-10-03 | 2012-10-03 | Continuous production device of polyphenylene terephthalamide resins |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220508501 CN202849301U (en) | 2012-10-03 | 2012-10-03 | Continuous production device of polyphenylene terephthalamide resins |
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| CN202849301U true CN202849301U (en) | 2013-04-03 |
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| CN 201220508501 Withdrawn - After Issue CN202849301U (en) | 2012-10-03 | 2012-10-03 | Continuous production device of polyphenylene terephthalamide resins |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838744A (en) * | 2012-10-03 | 2012-12-26 | 上海会博新材料科技有限公司 | Continuous production device for poly-p-phenylene terephthamide resin |
| CN105688706A (en) * | 2016-04-18 | 2016-06-22 | 山东万圣博科技股份有限公司 | Continuous ursol dissolving device and method |
| CN106084212A (en) * | 2016-08-12 | 2016-11-09 | 上海会博新材料科技有限公司 | Prepare the device of high-purity meta-aramid resin solution continuously |
| CN106626448A (en) * | 2017-03-17 | 2017-05-10 | 远东电缆有限公司 | Resin mixing system and mixing technique for composite core pultrusion process |
| CN112375500A (en) * | 2020-11-23 | 2021-02-19 | 山东禹王和天下新材料有限公司 | Method for producing alpha-cyanoacrylate adhesive by continuous feeding |
| CN114316256A (en) * | 2021-12-08 | 2022-04-12 | 山东聚芳新材料股份有限公司 | Synthesis method of superfine para-aramid resin |
-
2012
- 2012-10-03 CN CN 201220508501 patent/CN202849301U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838744A (en) * | 2012-10-03 | 2012-12-26 | 上海会博新材料科技有限公司 | Continuous production device for poly-p-phenylene terephthamide resin |
| CN102838744B (en) * | 2012-10-03 | 2014-08-13 | 上海会博新材料科技有限公司 | Continuous production device for poly-p-phenylene terephthamide resin |
| CN105688706A (en) * | 2016-04-18 | 2016-06-22 | 山东万圣博科技股份有限公司 | Continuous ursol dissolving device and method |
| CN106084212A (en) * | 2016-08-12 | 2016-11-09 | 上海会博新材料科技有限公司 | Prepare the device of high-purity meta-aramid resin solution continuously |
| CN106084212B (en) * | 2016-08-12 | 2018-04-06 | 上海会博新材料科技有限公司 | Continuously prepare the device of high-purity meta-aramid resin solution |
| CN106626448A (en) * | 2017-03-17 | 2017-05-10 | 远东电缆有限公司 | Resin mixing system and mixing technique for composite core pultrusion process |
| CN106626448B (en) * | 2017-03-17 | 2019-04-05 | 远东电缆有限公司 | A kind of composite core pultrude process resin mixing system and mixing procedure |
| CN112375500A (en) * | 2020-11-23 | 2021-02-19 | 山东禹王和天下新材料有限公司 | Method for producing alpha-cyanoacrylate adhesive by continuous feeding |
| CN114316256A (en) * | 2021-12-08 | 2022-04-12 | 山东聚芳新材料股份有限公司 | Synthesis method of superfine para-aramid resin |
| CN114316256B (en) * | 2021-12-08 | 2023-09-05 | 山东聚芳新材料股份有限公司 | Synthesis method of superfine para-aramid resin |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20140813 |
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| RGAV | Abandon patent right to avoid regrant |