CN105218743A - Strengthen the method for the anti-degradation property of cationic polyacrylamide - Google Patents
Strengthen the method for the anti-degradation property of cationic polyacrylamide Download PDFInfo
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- CN105218743A CN105218743A CN201410315024.6A CN201410315024A CN105218743A CN 105218743 A CN105218743 A CN 105218743A CN 201410315024 A CN201410315024 A CN 201410315024A CN 105218743 A CN105218743 A CN 105218743A
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- cationic polyacrylamide
- degradation property
- hmpa
- oxine
- oxidation inhibitor
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Abstract
The present invention relates to the method strengthening the anti-degradation property of cationic polyacrylamide.The method is made up of the raw material of following weight part: acrylamide 200-270, cationic monomer 80-170, deionized water 600-700, initiator 0.08-0.12, oxine 0.002-0.006, HMPA 5-10, oxidation inhibitor 0.01-0.06.Preparation method is: add deionized water in the reactor, acrylamide, cationic monomer, oxine, HMPA and oxidation inhibitor, is adjusted to by pH value between 4 ~ 5, and logical nitrogen deoxygenation 30min, adds initiator 2 ~ 5 DEG C of starting polymerization.Temperature about 75 DEG C, peak, temperature no longer rises and is considered as reaction end.Reaction terminates rear taking-up jelly, after fragmentation, micelle is placed in baking oven and carries out drying in 75 DEG C.Take out dry micelle after 2h and pulverize and obtain this product.This product is compared with cationic polyacrylamide on current market, and maximum feature is that anti-degradation capability is strong, and the viscosity retention time of its aqueous solution can extend 5-8 doubly.
Description
Technical field
The present invention relates to the method for the anti-degradation property of enhancing cationic polyacrylamide in polymeric water-soluble field of polymer technology.
Background technology
The degradation-resistant ability of polyacrylamide is the hot of research in industry always, particularly cationic polyacrylamide, after dissolving with underground water or tap water, its viscosity retention time of 50% only has 8 hours, if the solution prepared is used up not in time, will to degrade inefficacy, to cause huge waste and environmental pollution.
Summary of the invention
The method of the anti-degradation property of enhancing cationic polyacrylamide described in this patent; by cationic monomer and acrylamide copolymerization; and a kind of polymkeric substance with very strong anti-degradation capability prepared by adding special protective material; this method does not affect the use properties of polymkeric substance; existing installation need not be changed; simple and practical, polymkeric substance 50% viscosity retention time can be extended to more than 40 hours.
The present invention relates to the method strengthening the anti-degradation property of cationic polyacrylamide, the method is made up of the raw material of following weight part: acrylamide 200-270, cationic monomer 80-170, deionized water 600-700, initiator 0.08-0.12, oxine 0.002-0.006, HMPA 5-10, oxidation inhibitor 0.01-0.06; Preparation method is: add acrylamide in the reactor, cationic monomer water, deionized water, oxine, HMPA and oxidation inhibitor, be adjusted to pH value between 4 ~ 5, logical nitrogen deoxygenation 30min, add initiator 2 ~ 5 DEG C of starting polymerization, temperature about 75 DEG C, peak, temperature no longer rises and is considered as reaction end, and reaction terminates rear taking-up jelly, after fragmentation, micelle is placed in baking oven and carries out drying in 75 DEG C, take out dry micelle after 2h and pulverize and obtain this product.
This product structure and market usual production indifference, but various raw materials used not only can play the effect of protection molecular chain, can also eliminate in water that various complicated ingredient is on the impact of result of use, and therefore in use effect is more stable.
Embodiment
Embodiment 1
Parts by weight of raw materials is: acrylamide 200, cationic monomer 80, deionized water 600, oxine 0.002, HMPA 5-10, oxidation inhibitor 0.01-0.06, Potassium Persulphate 0.08, sodium bisulfite 0.04.
Concrete preparation process is:
(1) acrylamide is added in the reactor, the cationic monomer aqueous solution, deionized water, oxine, HMPA and oxidation inhibitor;
(2) be adjusted between 4 ~ 5 by pH value, logical nitrogen deoxygenation 30min, adds initiator at 2 DEG C of initiated polymerizations;
(3) reaction terminates rear taking-up jelly, by polymer prills, micelle is placed in baking oven and carries out drying in 75 DEG C;
(4) take out dry micelle after 2h and pulverize and obtain this product, applicable salinity lower than 2000 water, 50% viscosity retention time 45 hours.
Embodiment 2
Parts by weight of raw materials is: acrylamide 220, cationic monomer 909, deionized water 630, oxine 0.004, HMPA 6, oxidation inhibitor 0.03, Potassium Persulphate 0.06, sodium bisulfite 0.03.
Concrete preparation process is:
(1) acrylamide is added in the reactor, the cationic monomer aqueous solution, deionized water, oxine, HMPA and oxidation inhibitor;
(2) be adjusted between 4 ~ 5 by pH value, logical nitrogen deoxygenation 30min, adds initiator at 2 DEG C of initiated polymerizations;
(3) reaction terminates rear taking-up jelly, by polymer prills, micelle is placed in baking oven and carries out drying in 75 DEG C;
(4) take out dry micelle after 2h and pulverize and obtain this product, be applicable to the water of salinity 2000-10000,50% viscosity retention time 48 hours.
Embodiment 3
Parts by weight of raw materials is: acrylamide 270, cationic monomer 170, deionized water 700, oxine 0.006, HMPA 10, oxidation inhibitor 0.06, Potassium Persulphate 0.07, sodium bisulfite 0.035.
Concrete preparation process is:
(1) acrylamide is added in the reactor, the cationic monomer aqueous solution, deionized water, oxine, HMPA and oxidation inhibitor;
(2) be adjusted between 4 ~ 5 by pH value, logical nitrogen deoxygenation 30min, adds initiator at 2 DEG C of initiated polymerizations;
(3) reaction terminates rear taking-up jelly, by polymer prills, micelle is placed in baking oven and carries out drying in 75 DEG C;
(4) take out dry micelle after 2h and pulverize and obtain this product, the water that applicable salinity is greater than 10000,50% viscosity retention time 43 hours.
Claims (6)
1. the present invention relates to the method strengthening the anti-degradation property of cationic polyacrylamide, the method is made up of the raw material of following weight part: acrylamide 200-270, cationic monomer 80-170, deionized water 600-700, initiator 0.08-0.12, oxine 0.002-0.006, HMPA 5-10, oxidation inhibitor 0.01-0.06; Preparation method is: add deionized water in the reactor, acrylamide, cationic monomer, oxine, HMPA and oxidation inhibitor, pH value is adjusted between 4 ~ 5, logical nitrogen deoxygenation 30min, adds initiator 2 ~ 5 DEG C of starting polymerization, and reaction terminates rear taking-up jelly, after fragmentation, micelle is placed in baking oven and carries out drying in 75 DEG C, take out dry micelle after 2h and pulverize and obtain this product.
2. the method for the anti-degradation property of enhancing cationic polyacrylamide according to claim 1, is characterized in that described cationic monomer can be acrylyl oxy-ethyl-trimethyl salmiac, MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride.
3. the method for the anti-degradation property of enhancing cationic polyacrylamide according to claim 1, oxine is eliminate to dissolve metal ion contained in water used to the impact of viscosity as the effect of important source material, its effect is irreplaceable, and the large I of its consumption regulates according to the salinity of local water.
4. the method for the anti-degradation property of enhancing cationic polyacrylamide according to claim 1, HMPA is eliminate to dissolve microorganism contained in water used and External Heat Flux, ultraviolet to the impact of viscosity as the effect of important source material, and its effect is irreplaceable.
5. the method for the anti-degradation property of enhancing cationic polyacrylamide according to claim 1, the oxidation inhibitor described in it is antioxidant BHT, and its effect is irreplaceable.
6. the method for the anti-degradation property of enhancing cationic polyacrylamide according to claim 1, is characterized in that described initiator is Potassium Persulphate and S-WAT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315024.6A CN105218743A (en) | 2014-07-04 | 2014-07-04 | Strengthen the method for the anti-degradation property of cationic polyacrylamide |
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| CN201410315024.6A CN105218743A (en) | 2014-07-04 | 2014-07-04 | Strengthen the method for the anti-degradation property of cationic polyacrylamide |
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| CN105218743A true CN105218743A (en) | 2016-01-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105273130A (en) * | 2015-11-06 | 2016-01-27 | 东营市诺尔化工有限责任公司 | Preparing method for degradability-resisting enhancement-type cationic polyacrylamide |
| CN116854223A (en) * | 2023-09-04 | 2023-10-10 | 杭州尚善若水环保科技有限公司 | Combined medicament and process for preventing degradation of cationic polymeric flocculant after dissolution |
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| CN102516455A (en) * | 2011-12-15 | 2012-06-27 | 东营市诺尔化工有限责任公司 | Multi-polymerization preparation method of flocculant |
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- 2014-07-04 CN CN201410315024.6A patent/CN105218743A/en active Pending
Patent Citations (4)
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| CN101353392A (en) * | 2007-07-27 | 2009-01-28 | 朱定洋 | Preparation method of high molecular weight instant cationic polyacrylamide |
| CN102516455A (en) * | 2011-12-15 | 2012-06-27 | 东营市诺尔化工有限责任公司 | Multi-polymerization preparation method of flocculant |
| CN102532409A (en) * | 2011-12-15 | 2012-07-04 | 东营市诺尔化工有限责任公司 | Method for preparing net-shaped cationic polyacrylamide |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105273130A (en) * | 2015-11-06 | 2016-01-27 | 东营市诺尔化工有限责任公司 | Preparing method for degradability-resisting enhancement-type cationic polyacrylamide |
| CN116854223A (en) * | 2023-09-04 | 2023-10-10 | 杭州尚善若水环保科技有限公司 | Combined medicament and process for preventing degradation of cationic polymeric flocculant after dissolution |
| CN116854223B (en) * | 2023-09-04 | 2023-12-15 | 杭州尚善若水环保科技有限公司 | Combined medicament and process for preventing degradation of cationic polymeric flocculant after dissolution |
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