CN104341545A - Method for preparing cross-linked polyelectrolyte - Google Patents
Method for preparing cross-linked polyelectrolyte Download PDFInfo
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- CN104341545A CN104341545A CN201410622590.1A CN201410622590A CN104341545A CN 104341545 A CN104341545 A CN 104341545A CN 201410622590 A CN201410622590 A CN 201410622590A CN 104341545 A CN104341545 A CN 104341545A
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Abstract
The invention discloses a method for preparing a cross-linked polyelectrolyte. The method is characterized in that crylic acid serves as a raw material, sodium persulfate aqueous solution, trimethylolpropane triacrylate and sodium isoascorbate solution serve as auxiliary materials for preparing a monomer mixture, and the raw material and the mixture are subject to polymerization reaction to prepare the cross-linked polyelectrolyte which is colloidal. The method provided by the invention is simple in production process, high in equipment utilization rate, high in reaction speed, low in energy consumption and low in cost.
Description
Technical field
The invention belongs to polymer organic field, be specifically related to a kind of preparation method of Crosslinked Polyelectrolyte.
Background technology
Heart trouble is the more common circulation system disease of a class.
The recycle system is by the sanguimotor neurohumour organizational composition of heart, blood vessel and adjustment, circulation system disease, also referred to as cardiovascular diseases, comprises the disease of above-mentioned all histoorgans, in internal disease, belongs to common disease, wherein common with heart trouble, the labor force of patient can be affected significantly.
Chronic pulmonary heart disease is a kind of comparatively common heart disease in China, and pathomechanism is pulmonary hypertension and high blood viscosity, and due to long term hypoxia, cause Pulmonary Vascular to shrink and cause Pulmonary vascular cell to thicken, cause microcirculation disturbance, pulmonary hypertension occurs.
Complication common is clinically acid base imbalance and electrolyte disturbance, and next has the infringement of upper gastrointestinal hemorrhage, shock, Liver and kidney function and pulmonary encephalopathy etc.
1, pulmonary encephalopathy: be one of modal severe complication of cor pulmonale is also the major reason causing patients with cor pulmonale death, poor prognosis.
2, irregular pulse: various types of irregular pulse can appear in patients with cor pulmonale, wherein modal have paroxysmal supraventricular tachycardia and artrial premature beat.
3, acid base equilibrium and electrolyte balance disorder: the pulmonary heart disease compensatory phase, various types of acid base imbalance can appear in patient, and modal have metabolic acidosis and respiratory acidosis, and also likely several situation exists simultaneously.
It is several that electrolyte disturbance common are hyperkalemia, low blood sodium, low blood chlorine and hypokalemia.
4, digestive tract hemorrhage: the patient be in a bad way often increases due to anoxic, digestive tube extravasated blood and irritability Adrenal Glucocorticoids Secretion, and occurs digestive tube stress ulcer hemorrhage.
5, suffer a shock: Patients with Chronic Cor Pulmonale often there will be septic shock, hemorrhagic shock or cardiogenic shock.
Current research often finds heart trouble along with ionogen wadding disorderly, brings a series of complication simultaneously.
Meanwhile, control the electrolyte balance in human body, there is the effect alleviating complication, also can play good effect in cardiopathic treatment simultaneously.
Summary of the invention
The object of this invention is to provide a kind of preparation method of Crosslinked Polyelectrolyte, the method production technique be simple, equipment efficiency of usage is high, speed of response is fast, less energy consumption and cost is low.SAP product application is obtained in sanitary product, water and soil water-holding agent, agriculture water-holding agent, extinguish material, food desiccant after this product and oxyhydroxide hybrid reaction.
A preparation method for Crosslinked Polyelectrolyte, comprises the following steps:
(1) sodium persulfate aqueous solution is prepared
Take Sodium Persulfate solid, put into water, be mixed with the sodium persulfate aqueous solution of 1-20%, be referred to as solution A;
(2) sodium elythorbate solution is prepared
Take SODIUM ISOVITAMIN C solid, put into water, be mixed with the saccharosonic acid sodium water solution of 0.5-3%, be referred to as solution B;
(3) SODIUM ISOVITAMIN C dilute solution is prepared
With heating unit, water is heated, after temperature-stable, add solution B, stir 20min, obtain the SODIUM ISOVITAMIN C 0.01%-0.1% aqueous solution, be referred to as solution C;
(4) monomer mixture is prepared
Control the temperature of acrylic acid solution, add Viscoat 295, stir 10min, add the solution A in step (1), stir 20min, obtain monomer mixture, be referred to as solution D;
(5) polyreaction
Solution D in solution C in step (3) and step (4) being carried out polyreaction by cushioning mixing tank, obtaining being polymerized jelly, until one of them raw material terminates;
(6) wash
Polymkeric substance after polyreaction passes in homogenizer, passes into deionized water and carries out quick wash 30min, and water is emptying, washs 2-4 time, and washing terminates rear placement on a moving belt, delivers to and moulds on bag dish;
(7) cut
Adopt cutting machine and extruding nodulizer, be broken into tiny piece;
(8) dry
By after fragmentation tiny piece be placed on moisture eliminator inner drying, drying temperature is≤150 DEG C, and time of drying is 4-12 hour.
Wherein, the heating unit in described step (3) is immersion heater.
Wherein, the Heating temperature in described step (3) is 30-80 DEG C.
Wherein, the travelling belt speed in described step (6) is not more than 10 ms/min.
Wherein, in described step (5), the proportioning of solution C and solution D is 1:1.8-2.2,
Further, in described step (5), the proportioning of solution C and solution D is 1:2.
Wherein, the temperature in described step (4) controls between 12-40 DEG C.
Wherein, described Cutting Length is not more than 5mm.
Compared with prior art, the present invention has following beneficial effect:
(1) preparation method provided by the invention adopts vinylformic acid to be starting material, and water is solvent, the polymerization process being auxiliary material with Sodium Persulfate, Viscoat 295, and material source is extensive, and observable index is lower.
(2) adopt temperature accurately to control in reaction process, substantially reduce the reaction times, improve reaction efficiency.
(3) method of the present invention's employing is effective fast, and substantially reduce the reaction times, plant factor substantially increases.
(4) product cut size of the inventive method is not more than 5 millimeters, and steady quality is reliable, and purity is high, and practicality is good, and plant factor is high.
Embodiment
Below in conjunction with embodiment, the present invention is described further:
Embodiment 1
A preparation method for Crosslinked Polyelectrolyte, comprises the following steps:
(1) sodium persulfate aqueous solution is prepared
Take 0.375kg Sodium Persulfate solid, put into 3.3kg water, be mixed with the sodium persulfate aqueous solution of 1%, be referred to as solution A;
(2) sodium elythorbate solution is prepared
Take 0.045kg SODIUM ISOVITAMIN C solid, put into 3.3kg water, be mixed with the saccharosonic acid sodium water solution of 1.3%, be referred to as solution B;
(3) SODIUM ISOVITAMIN C dilute solution is prepared
Adopt heating unit to heat 41.655kg water, after 30 DEG C of temperature-stables, add solution B, stir 20min, obtain 0.1% SODIUM ISOVITAMIN C dilute solution, be referred to as solution C;
(4) monomer mixture is prepared
The temperature of control 50kg acrylic acid solution is 12 DEG C, adds 0.415kg Viscoat 295, stirs 10min, adds the solution A in step (1), stirs 20min, obtains monomer mixture, be referred to as solution D;
(5) polyreaction
Solution D in solution C in step (3) and step (4) is carried out polyreaction by cushioning mixing tank, and the throughput ratio of solution C and solution D is 1:1.8;
(6) wash
Polymkeric substance after polyreaction passes in homogenizer, pass into 100L deionized water and carry out quick wash 30min, water is emptying, wash 4 times, washing terminates rear placement on a moving belt, delivers to and moulds on bag dish, obtain being polymerized jelly, until one of them raw material terminates, line speed is 2.34m/min;
(7) cut
Adopt cutting machine and extruding nodulizer, be broken into tiny piece, Cutting Length is 4.6mm;
(8) dry
The particle of well cutting is positioned over loft drier inner drying, and drying temperature is 150 DEG C, and time of drying is 4 hours.
In Crosslinked Polyelectrolyte product, outward appearance is light yellow opaque particle, water-content be 3.7% lower than regulation 5%, monomer residue is 18ppm, far below the 50ppm that index specifies, salt loading degree is 45g/g, in the scope of the 45-60g/g of regulation, heavy metal content is lower than 20ppm, and sodium content is less than 0.1% and conforms with the regulations, total soluble polymer is 0.3%, lower than 1% of regulation.
Embodiment 2
A preparation method for Crosslinked Polyelectrolyte, comprises the following steps:
(1) sodium persulfate aqueous solution is prepared
Take 8.25g Sodium Persulfate solid, put into 33g water, be mixed with the sodium persulfate aqueous solution of 20%, be referred to as solution A;
(2) sodium elythorbate solution is prepared
Take 1.021g SODIUM ISOVITAMIN C solid, put into 33g water, be mixed with the saccharosonic acid sodium water solution of 3%, be referred to as solution B;
(3) SODIUM ISOVITAMIN C dilute solution is prepared
Adopt heating unit to heat 10176g water, after 80 DEG C of temperature-stables, add solution B, stir 20min, obtain the SODIUM ISOVITAMIN C dilute solution of 0.01%, be referred to as solution C;
(4) monomer mixture is prepared
The temperature of control 500g acrylic acid solution is 40 DEG C, adds 4.15g Viscoat 295, stirs 10min, adds the solution A in step (1), stirs 20min, obtains monomer mixture, be referred to as solution D;
(5) polyreaction
Solution D in solution C in step (3) and step (4) is carried out polyreaction by cushioning mixing tank, and the throughput ratio of solution C and solution D is 1:2.2;
(6) wash
Polymkeric substance after polyreaction passes in homogenizer, pass into 4L deionized water and carry out quick wash 30min, water is emptying, wash 3 times, washing terminates rear placement on a moving belt, delivers to and moulds on bag dish, obtains being polymerized jelly, until one of them raw material terminates, line speed is 10m/min;
(7) cut
Adopt cutting machine and extruding nodulizer, be broken into tiny piece, Cutting Length is 2mm;
(8) dry
The particle of well cutting is positioned over loft drier inner drying, and drying temperature is 100 DEG C, and time of drying is 12 hours.
In Crosslinked Polyelectrolyte product, outward appearance is light yellow opaque particle, water-content be 4.1% lower than regulation 5%, monomer residue is 27ppm, far below the 50ppm that index specifies, salt loading degree is 49g/g, in the scope of the 45-60g/g of regulation, heavy metal content is lower than 20ppm, and sodium content is less than 0.1% and conforms with the regulations, total soluble polymer is 0.5%, lower than 1% of regulation.
Embodiment 3
A preparation method for Crosslinked Polyelectrolyte, comprises the following steps:
(1) sodium persulfate aqueous solution is prepared
Take 37.5g Sodium Persulfate solid, put into 330g water, be mixed with the sodium persulfate aqueous solution of 10%, be referred to as solution A;
(2) sodium elythorbate solution is prepared
Take 4.5g SODIUM ISOVITAMIN C solid, put into 330g water, be mixed with the saccharosonic acid sodium water solution of 1.3%, be referred to as solution B;
(3) SODIUM ISOVITAMIN C dilute solution is prepared
Adopt heating unit to heat 4165.5g water, after 50 DEG C of temperature-stables, add solution B, stir 20min, obtain 0.1% SODIUM ISOVITAMIN C dilute solution, be referred to as solution C;
(4) monomer mixture is prepared
The temperature of control 5000g acrylic acid solution is 25 DEG C, adds 41.5g Viscoat 295, stirs 10min, adds the solution A in step (1), stirs 20min, obtains monomer mixture, be referred to as solution D;
(5) polyreaction
Solution D in solution C in step (3) and step (4) is carried out polyreaction by cushioning mixing tank, and the throughput ratio of solution C and solution D is 1:2.0;
(6) wash
Polymkeric substance after polyreaction passes in homogenizer, pass into 4L deionized water and carry out quick wash 30min, water is emptying, wash 3 times, washing terminates rear placement on a moving belt, delivers to and moulds on bag dish, obtains being polymerized jelly, until one of them raw material terminates, line speed is 4.7m/min;
(7) cut
Adopt cutting machine and extruding nodulizer, be broken into tiny piece, Cutting Length is 4mm;
(8) dry
The particle of well cutting is positioned over loft drier inner drying, and drying temperature is 123 DEG C, and time of drying is 6 hours.
In Crosslinked Polyelectrolyte product, outward appearance is light yellow opaque particle, water-content be 3.4% lower than regulation 5%, monomer residue is 21ppm, far below the 50ppm that index specifies, salt loading degree is 47g/g, in the scope of the 45-60g/g of regulation, heavy metal content is lower than 20ppm, and sodium content is less than 0.1% and conforms with the regulations, total soluble polymer is 0.4%, lower than 1% of regulation.
The foregoing is only some embodiments of the present invention, do not limit the present invention, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, all drop in protection scope of the present invention.
Claims (7)
1. a preparation method for Crosslinked Polyelectrolyte, comprises the following steps:
(1) sodium persulfate aqueous solution is prepared
Take Sodium Persulfate solid, put into water, be mixed with the sodium persulfate aqueous solution of 1-20%, be referred to as solution A;
(2) sodium elythorbate solution is prepared
Take SODIUM ISOVITAMIN C solid, put into water, be mixed with the saccharosonic acid sodium water solution of 0.5-3%, be referred to as solution B;
(3) SODIUM ISOVITAMIN C dilute solution is prepared
With heating unit, water is heated, after temperature-stable, add solution B, stir 20min, obtain the SODIUM ISOVITAMIN C 0.01%-0.1% aqueous solution, be referred to as solution C;
(4) monomer mixture is prepared
Control the temperature of acrylic acid solution, add Viscoat 295, stir 10min, add the solution A in step (1), stir 20min, obtain monomer mixture, be referred to as solution D;
(5) polyreaction
Solution D in solution C in step (3) and step (4) being carried out polyreaction by cushioning mixing tank, obtaining being polymerized jelly, until one of them raw material terminates;
(6) wash
Polymkeric substance after polyreaction passes in homogenizer, passes into deionized water and carries out quick wash 30min, and water is emptying, washs 2-4 time, and washing terminates rear placement on a moving belt, delivers to and moulds on bag dish;
(7) cut
Adopt cutting machine and extruding nodulizer, be broken into tiny piece;
(8) dry
By after fragmentation tiny piece be placed on moisture eliminator inner drying, drying temperature is≤150 DEG C, and time of drying is 4-12 hour.
2. the preparation method of a kind of Crosslinked Polyelectrolyte according to claim 1, is characterized in that: the heating unit in described step (3) is immersion heater.
3. the preparation method of a kind of Crosslinked Polyelectrolyte according to claim 1, is characterized in that: the Heating temperature in described step (3) is 30-80 DEG C.
4. the preparation method of a kind of Crosslinked Polyelectrolyte according to claim 1, is characterized in that: the travelling belt speed in described step (6) is not more than 10 ms/min.
5. the preparation method of a kind of Crosslinked Polyelectrolyte according to claim 1, is characterized in that: in described step (5), the proportioning of solution C and solution D is 1:1.8-2.2.
6. the preparation method of a kind of Crosslinked Polyelectrolyte according to claim 5, is characterized in that: in described step (5), the proportioning of solution C and solution D is 1:2.0
The preparation method of a kind of Crosslinked Polyelectrolyte according to claim 1, is characterized in that: the temperature in described step (4) controls between 12-40 DEG C.
7. the preparation method of a kind of Crosslinked Polyelectrolyte according to claim 1, is characterized in that: described Cutting Length is not more than 5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410622590.1A CN104341545A (en) | 2014-11-08 | 2014-11-08 | Method for preparing cross-linked polyelectrolyte |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410622590.1A CN104341545A (en) | 2014-11-08 | 2014-11-08 | Method for preparing cross-linked polyelectrolyte |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1165152A (en) * | 1997-04-22 | 1997-11-19 | 梅秀泉 | Polyacrylate type high water absorption resin |
| CN1872890A (en) * | 2006-06-30 | 2006-12-06 | 上海华谊丙烯酸有限公司 | Method for preparing high absorptive resin in acrylic acid type |
| CN101100493A (en) * | 2007-06-29 | 2008-01-09 | 上海华谊丙烯酸有限公司 | Method for fast preparing high water absorption resin |
| WO2009156229A2 (en) * | 2008-06-27 | 2009-12-30 | Construction Research & Technology Gmbh | Time-delayed super-absorbent polymers |
-
2014
- 2014-11-08 CN CN201410622590.1A patent/CN104341545A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1165152A (en) * | 1997-04-22 | 1997-11-19 | 梅秀泉 | Polyacrylate type high water absorption resin |
| CN1872890A (en) * | 2006-06-30 | 2006-12-06 | 上海华谊丙烯酸有限公司 | Method for preparing high absorptive resin in acrylic acid type |
| CN101100493A (en) * | 2007-06-29 | 2008-01-09 | 上海华谊丙烯酸有限公司 | Method for fast preparing high water absorption resin |
| WO2009156229A2 (en) * | 2008-06-27 | 2009-12-30 | Construction Research & Technology Gmbh | Time-delayed super-absorbent polymers |
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Application publication date: 20150211 |