CN102040708A - Acrylic hydrophobic associated water-soluble polymer and preparation method thereof - Google Patents
Acrylic hydrophobic associated water-soluble polymer and preparation method thereof Download PDFInfo
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- CN102040708A CN102040708A CN2010105501412A CN201010550141A CN102040708A CN 102040708 A CN102040708 A CN 102040708A CN 2010105501412 A CN2010105501412 A CN 2010105501412A CN 201010550141 A CN201010550141 A CN 201010550141A CN 102040708 A CN102040708 A CN 102040708A
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Abstract
The invention relates to two fields of synthesis of a hydrophobic associated water-soluble polymer and performance of aqueous solution thereof. A method for synthesizing the hydrophobic associated water-soluble polymer P(AA-MAh)-C16 by esterification reaction is technically characterized in that: the raw material formula comprises 40.0 grams of poly (acrylic acid-maleic anhydride) (P(AA-MAh) and 1.0 to 1.5 grams of C16H33OH; and the process conditions comprise that: the reaction temperature is 80 DEG C, purified water serves as a solvent, dimethyl sulfate (DMS) serves as an initiator, the reaction time is about 23 hours, and the purification treatment reagents comprise purified water serving as a solvent and methylbenzene serving as a precipitant. A method for preparing the aqueous solution of the polymer is technically characterized in that: the raw material formula comprises 500 to 8,000 milligrams of polymer and 1 liter of purified water; and the process conditions comprise that: the polymer is ground into powder and dissolved at room temperature (25+/-2 DEG C) with stirring. The invention has the advantages that: the hydrophobic associated water-soluble polymer is synthesized, the polymer can be well dissolved in the water to obtain homogeneous-phase transparent aqueous solution, and the viscosity of the aqueous solution is greatly improved. The required raw materials are cheap, the operation process is direct and simple, and the invention has wide applicability and certain actual promotion significance.
Description
Technical field
The present invention relates to a kind of investigation of synthetic and aqueous solution performance of hydrophobic associated water-soluble polymer.
Background technology
Hydrophobic associated water-soluble polymer (HAWSP) is meant the formed class new polymers of the hydrophobic grouping of introducing minute quantity (molar fraction is less than 2%) on the water-soluble polymers main chain of routine.This base polymer has visibly different characteristic owing to hydrophobic effect shows with conventional polymer its SOLUTION PROPERTIES.In the aqueous solution, when polymer concentration was higher than critical association concentration, hydrophobic group was assembled a kind of structure based on the intermolecular association of reversible of formation mutually, shows as soltion viscosity on the macroscopic view and obviously rises, and promptly this polymkeric substance has good viscosifying action.At present, this polymkeric substance has been brought into play bigger effect in fields such as coating, paint, ore dressings.Have more wide application prospect in tertiary oil recovery, the adding of hydrophobic group can change the rheological property of polymkeric substance significantly, make its in mobility control, improve sweep efficiency and in profile control, play important effect.At present, thought based on molecular designing, introducing a certain amount of hydrophobic grouping with certain chain length in polyacrylic polymer, to prepare hydrophobic associated water-soluble polymer be the comparatively practicable method of this base polymer of development, also is research focus in recent years.
Poly-(vinylformic acid-maleic anhydride) P (AA-MAh) of multipolymer is as a kind of water-soluble very good polyacrylic polymer, obtained using widely in a lot of fields, clearly, in this polymkeric substance, introduce hydrophobic group and just can prepare a kind of hydrophobic associated water-soluble polymer, therefore, we have chosen hexadecyl alcohol C
16H
33Esterification takes place and synthesizes a kind of novel hydrophobic associated water-soluble polymer in the AA among OH and the P (AA-MAh).At present, do not see any relevant research report as yet.
Summary of the invention
The technical problem that solves
For fear of the deficiencies in the prior art part, simultaneously also in order to prepare a kind of novel hydrophobic associated water-soluble polymer, the present invention proposes a kind of preparation method of polymkeric substance, synthesizes to have obtained a kind of novel hydrophobic associated water-soluble polymer.
Technical scheme
The present invention is with poly-(vinylformic acid-maleic anhydride) P (AA-MAh) of a kind of multipolymer and hexadecyl alcohol C
16H
33Esterification takes place in OH, synthetizing hydrophobic associated water-soluble polymer P (AA-MAh)-C
16Its purpose is to obtain a kind of soluble in water and can increase substantially the hydrophobic associated water-soluble polymer of solution viscosity.
A kind of preparation hydrophobic associated water-soluble polymer P of the present invention (AA-MAh)-C
16Method, its technical characterictic is:
Synthesizing formula (by weight)
P(AA-MAh) 40.0g
C
16H
33OH 1.0～1.5g
Processing condition
Initiator DMS 1.0g
Solvent pure water 200ml
80 ℃ of temperature
The environment nitrogen protection
About 23h of reaction times
A kind of preparation hydrophobic associated water-soluble polymer P (AA-MAh)-C
16Method, it is characterized in that: concrete steps are as follows:
A) take by weighing the P (AA-MAh) of 40.0g and the C of 1.0～1.5g
16H
33OH adds the 200ml dissolved in purified water, adds 1.0g methyl-sulfate (DMS) then, mixes being placed in three mouthfuls of reaction flasks;
B) under the nitrogen protection, at 80 ℃ of following constant temperature stirring reaction 23h;
C) after the cooling, pour in the toluene and precipitate, promptly get crude product;
D) be that solvent, toluene are that precipitation agent carries out reprecipitation with the pure water, dissolve repeatedly, precipitate 4 times, can obtain the white rubber shaped polymer;
E) products therefrom is washed 4 times repeatedly with sherwood oil, vacuum-drying 3 days obtains purified polymer.
Polymer P of the present invention (AA-MAh)-C
16Be dissolved in the water, the preparation aqueous solution, its technical characterictic is:
Prescription
P(AA-MAh)-C
16 500～8000mg
Solvent (pure water) 1L
Processing condition
P (AA-MAh)-C
16Grind to form powder
Temperature room temperature (25 ± 2) ℃
The dissolution mechanism high-speed stirring
Described polymer P (AA-MAh)-C
16The preparation method of the aqueous solution is characterized in that: concrete steps are as follows:
A) with polymer P (AA-MAh)-C
16Grind to form powder;
B) take by weighing the polymer powders of 500～8000mg, and in container, measure the pure water of 1L;
C) under mechanical high-speed stirs, progressively add powder in the pure water;
D) high-speed stirring up to dissolving fully, obtains the aqueous solution of homogeneous phase transparent.
Beneficial effect
The invention has the beneficial effects as follows, the synthesis technique that a kind of method is feasible, be easy to realize is provided, synthesize and obtained a kind of novel hydrophobic associated water-soluble polymer, it is dissolved in and forms the homogeneous phase transparent and the highly stable aqueous solution in the water, and this polymkeric substance can improve viscosity in aqueous solution significantly.
Description of drawings
Fig. 1 is the synthesis process flow diagram of polymkeric substance.
Fig. 2 is the preparation flow figure of aqueous solutions of polymers.
Embodiment
For synthetic polymer P (the AA-MAh)-C that obtains
16, the present invention has taked following embodiment:
Take by weighing 40.0g P (AA-MAh) and 1.0～1.5g C
16H
33OH adds the 200ml dissolved in purified water, adds 1.0g methyl-sulfate (DMS) then, mixes being placed in three mouthfuls of reaction flasks; Under the nitrogen protection, at 80 ℃ of following constant temperature stirring reaction 23h; Reaction is cooled to room temperature after finishing, and pours in the toluene and precipitates, and promptly gets crude product; With the pure water is that solvent, toluene are that precipitation agent carries out reprecipitation, dissolves repeatedly, precipitates 4 times, can obtain the white rubber shaped polymer; At last products therefrom is washed 4 times repeatedly with sherwood oil, vacuum-drying 3 days obtains purified polymer.
In order to investigate synthetic polymer P (the AA-MAh)-C that obtains
16Aqueous solution performance, the present invention has taked following embodiment:
Embodiment 1: polymkeric substance is milled into powder, under the room temperature (25 ± 2) ℃, the 500mg polymer powders is added in the 1L pure water, constantly stir and make its dissolving, prepare the aqueous solutions of polymers that concentration is 500mg/L.
Embodiment 2: polymkeric substance is milled into powder, under the room temperature (25 ± 2) ℃, the 1000mg polymer powders is added in the 1L pure water, constantly stir and make its dissolving, prepare the aqueous solutions of polymers that concentration is 1000mg/L.
Embodiment 3: polymkeric substance is milled into powder, under the room temperature (25 ± 2) ℃, the 3000mg polymer powders is added in the 1L pure water, constantly stir and make its dissolving, prepare the aqueous solutions of polymers that concentration is 3000mg/L.
Embodiment 4: polymkeric substance is milled into powder, under the room temperature (25 ± 2) ℃, the 5000mg polymer powders is added in the 1L pure water, constantly stir and make its dissolving, prepare the aqueous solutions of polymers that concentration is 5000mg/L.
Embodiment 5: polymkeric substance is milled into powder, under the room temperature (25 ± 2) ℃, the 8000mg polymer powders is added in the 1L pure water, constantly stir and make its dissolving, prepare the aqueous solutions of polymers that concentration is 8000mg/L.
The aqueous solutions of polymers viscosity performance that above-mentioned embodiment obtains is as follows:
Claims (5)
1. hydrophobic associated water-soluble polymer is characterized in that: the synthetic composition of raw materials is poly-(vinylformic acid-maleic anhydride) P (AA-MAh) 40.0g of multipolymer, hexadecyl alcohol C
16H
33OH 1.0～1.5g.
2. a kind of hydrophobic associated water-soluble polymer according to claim 1 is characterized in that: temperature of reaction is controlled to be 80 ℃, and reaction solvent is a pure water, and reaction initiator is methyl-sulfate (DMS), and the reaction times is about 23h.
3. method for preparing the hydrophobic associated water-soluble polymer of claim 1～2, it is characterized in that: concrete steps are as follows:
A) take by weighing the P (AA-MAh) of 40.0g and the C of 1.0～1.5g
16H
33OH adds the 200ml dissolved in purified water, adds 1.0g methyl-sulfate (DMS) then, mixes being placed in three mouthfuls of reaction flasks;
B) under the nitrogen protection, at 80 ℃ of following constant temperature stirring reaction 23h;
C) after the cooling, pour in the toluene and precipitate, promptly get crude product;
D) be that solvent, toluene are that precipitation agent carries out reprecipitation with the pure water, dissolve repeatedly, precipitate 4 times, can obtain the white rubber shaped polymer;
E) products therefrom is washed 4 times repeatedly with sherwood oil, vacuum-drying obtained purified polymer after 3 days.
4. according to the polymkeric substance of the described preparation of claim 1～3, this polymer dissolution in water, be is characterized in that: the concrete operations step is as follows:
A) polymkeric substance is ground to form powder;
B) take by weighing the polymer powders of 500～8000mg, and in container, measure the pure water of 1L;
C) under mechanical high-speed stirs, progressively add powder in the pure water;
D) high-speed stirring up to dissolving fully, obtains the aqueous solution of homogeneous phase transparent.
5. based on claim 4, this aqueous solutions of polymers is characterised in that: under room temperature (25 ± 2) ℃, when the concentration of the aqueous solution was in the 500-8000mg/L scope, polymkeric substance all dissolved well, obtain homogeneous phase transparent solution, and solution viscosity is increased to 567.6mPas from 19.8mPas.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832086A (en) * | 2017-01-11 | 2017-06-13 | 北京长江脉医药科技有限责任公司 | A kind of instant capacity peroxidating high-molecular copolymer pasteurization material |
| CN108659149A (en) * | 2018-06-05 | 2018-10-16 | 中化化工科学技术研究总院有限公司 | The agricultural macromolecule emulsifier of fatty alcohol esters and its preparation and application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792506A (en) * | 2010-01-06 | 2010-08-04 | 西南石油大学 | Acrylamide hydrophobically associating water soluble polymer and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792506A (en) * | 2010-01-06 | 2010-08-04 | 西南石油大学 | Acrylamide hydrophobically associating water soluble polymer and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《广州化工》 20060630 颜杰等 丙烯酸/马来酸酐共聚改性表面活性剂的合成 38-40 3-5 第34卷, 第3期 * |
| 颜杰等: "丙烯酸/马来酸酐共聚改性表面活性剂的合成", 《广州化工》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832086A (en) * | 2017-01-11 | 2017-06-13 | 北京长江脉医药科技有限责任公司 | A kind of instant capacity peroxidating high-molecular copolymer pasteurization material |
| CN106832086B (en) * | 2017-01-11 | 2019-06-25 | 北京长江脉医药科技有限责任公司 | A kind of instant capacity peroxidating high-molecular copolymer pasteurization material |
| CN108659149A (en) * | 2018-06-05 | 2018-10-16 | 中化化工科学技术研究总院有限公司 | The agricultural macromolecule emulsifier of fatty alcohol esters and its preparation and application |
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Application publication date: 20110504 |