CN104558235B - A kind of manufacture method of high adhered modification guar gum - Google Patents
A kind of manufacture method of high adhered modification guar gum Download PDFInfo
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- CN104558235B CN104558235B CN201510040786.4A CN201510040786A CN104558235B CN 104558235 B CN104558235 B CN 104558235B CN 201510040786 A CN201510040786 A CN 201510040786A CN 104558235 B CN104558235 B CN 104558235B
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Abstract
The invention discloses a kind of manufacture method of high adhered modification guar gum, it is characterized in that guar splits, liquid base, etherifying agent, carbon dioxide, water are added in high pressure resistant reactor carries out alkalization, etherification reaction under wise temperature, modified guar is made, modified guar piece wash and purified product is made in centrifugal treating, high adhered modification guar gum finished product is made by superfinishing technology, rapidly acting dry technology, the crushing of air-flow vortex micro mist and sorting technology again in purified product.Continuous mixture high adhered modification guar gum obtained by the present invention is white powder or off-white powder, have the advantages that particle is thin, swelling rate is fast, water insoluble matter content is less than 3%, 200 eye mesh screen percent of pass are 100%, and 300 eye mesh screen percent of pass are 98%, and viscosity can reach 6200~7500mPa.s.
Description
Technical field
The present invention relates to a kind of manufacture method of high adhered modification guar gum.
Background technology
Guar gum and its derivative as oil reservoir fracturing fluid thickening agent, for can pressure break success, increase production and improve productivity and play
Key effect, most of China oil field can use the oil field fracturing fluid of different performance, in the prior art, by guar gum
The hydrophilic group of molecule is modified acquisition modified guar product, in many areas, this thickening agent guar products mixture
When there is following defect：
1st, the swelling rate in water is slow, and peak viscosity is can be only achieved for a long time；
2nd, using the organic solvent pollution environment in isolation technics, discharge capacity is big；
3rd, guar splits time during modified-reaction is long, reduces guar gum molecular weight, and viscosity utilization rate is low.
The content of the invention
In order to solve guar products above-mentioned technical problem present in production technology, the present invention provides a kind of high glue and changed
The manufacture method of property guar gum.The high adhered modification guar products produced by the manufacture method solve Guar adhesiveness not
The high shortcoming of enough, water-insoluble.
The technical solution adopted for the present invention to solve the technical problems is：Invent a kind of manufacturer of high adhered modification guar gum
Method, it is characterised in that guar splits is added in high pressure resistant reactor and carries out quaternization, the obtained modified guar of etherification reaction
After piece, progress is washed and purified product is made in centrifugal treating, then passes through superfinishing technology, rapidly acting dry technology, air-flow vortex
Micro mist is crushed and high adhered modification guar gum finished product is made in sorting technology；
First step quaternization：Added in high pressure resistant reactor after guar splits, under confined space, temperature is maintained at
50-60 DEG C, under 0.03-0.06 MPas of nitrogen protection, add liquid base, Stirring 20~30 minutes；
Second step etherification reaction：Airtight vacuum pressure, temperature keeps 50~70 DEG C, 0.01~0.03 MPa of nitrogen protection
Under, etherifying agent is added, is reacted 0.5~3 hour；
3rd step：Airtight vacuum pressure, adds carbon dioxide, stirs 15 minutes；
4th step：Add running water to continue after stirring 30 minutes, blowing obtains modified guar piece, add washing washing
Wash centrifugal treating and purified product is made.
In the present invention, parts by weight shared by each raw material are as follows：
Guar splits：300-400 parts
Liquid base：30-70 parts
Etherifying agent：60-80 parts
Carbon dioxide：6-10 parts
Running water：100-150 parts
Washings：3500-4000 parts
Liquid base used is 30% alkali lye, and etherifying agent is expoxy propane, and superfinishing technology refers to that the roller of high pressure three grinds skill
Art, rapidly acting dry technology refers to modified guar coarse powder by high efficiency drying flashing apparatus, reaches modified guar coarse powder
Water content is 7%~10%, and air-flow vortex micro mist crushing technology refers to set modified guar coarse powder in air-flow vortex super fine
Standby middle progress is finely divided, screening, finally gives modified guar powder more than 200 mesh that can sieve.
Compared with prior art, the beneficial effects of the invention are as follows：
Continuous mixture high adhered modification guar gum finished product obtained by the present invention is white powder or off-white powder.With
Grain is thin, swelling rate is fast, advantage of the water insoluble matter content less than 3%, and 200 eye mesh screen percent of pass are 100%, and 300 eye mesh screens pass through
Rate is 98%, and viscosity can reach 6200~7500mPa.s；Raw material involved in course of reaction, process route is prepared all to meet
The requirement of Green Chemistry, will not produce pollutant, economic, environmental protection, strong adaptability.
Embodiment
Embodiment 1
High adhered modification Guar gel is as follows：
Quaternization：After high pressure resistant reactor adds 300 parts of films, 50 DEG C or so of keeping temperature has 0.03MPa nitrogen
Protection is lower to add 30 parts of liquid aqueous slkalis, Stirring 20 minutes；
Etherification reaction：Airtight vacuum lays down pressure, and temperature is kept for 60 DEG C, and has 0.01 MPa of nitrogen protection is lower to add 60 parts
Etherifying agent, reacts 1 hour；
Then 6 parts of carbon dioxide are added, after stirring 15 minutes, 100 parts of running water is added and continues to stir 30 minutes, blowing is
Modified guar piece is obtained, purified product is made after modified guar piece is added into 3500 parts of washing water washing centrifugal treatings, then
Purified product is subjected to superfinishing, highly effective drying, the processing of air-flow vortex micro mist, vibratory sieve screening, following performance is finally given
The product of index：
1）Apparent viscosity：7150mPa.s
2）Water-insoluble：2.5%
3）Sieving rate：100% passes through 300 mesh by 200 mesh, 98%;
Embodiment 2
Quaternization：It is 55 DEG C, 0.04 MPa of nitrogen pressure in temperature after high pressure resistant reactor adds 350 parts of films
Under conditions of Stirring 25 minutes；
Etherification reaction：Airtight vacuum lays down pressure, and temperature is kept for 65 DEG C, and has 0.02 MPa of nitrogen protection is lower to add 70 parts
Etherifying agent, reacts 1.5 hours；
Then 7 parts of carbon dioxide are added, after stirring 15 minutes, 120 parts of running water is added and continues to stir 30 minutes, blowing is
Modified guar piece is obtained, purified product is made after modified guar piece is added into 3800 parts of washing water washing centrifugal treatings, this
Production technology is identical with embodiment 1 afterwards, repeats no more, and finally gives with the product of descending performance indications：
1）Apparent viscosity：7450mPa.s
2）Water-insoluble：2.0%
3）Sieving rate：100% passes through 300 mesh by 200 mesh, 98%;
Embodiment 3
Quaternization：It is 60 DEG C, 0.05 MPa of nitrogen pressure in temperature after high pressure resistant reactor adds 400 parts of films
Under conditions of, add 70 parts of liquid aqueous slkalis, Stirring 30 minutes；
Etherification reaction：Closed reactor is vacuumized, and temperature is kept for 70 DEG C, and has 0.03 MPa of nitrogen protection is lower to add 80 parts
Etherifying agent, reacts 2 hours；
Then 10 parts of carbon dioxide are added, after stirring 15 minutes, 150 parts of running water is added and continues to stir 30 minutes, blowing
Modified guar piece is obtained, purified product is made after modified guar piece is added into 4000 parts of washing water washing centrifugal treatings,
Hereafter production technology is identical with embodiment 1, repeats no more, and finally gives the product of following performance indications：
1）Apparent viscosity：7200mPa.s
2）Water-insoluble：2.2%
3）Sieving rate：100% passes through 300 mesh by 200 mesh, 98%
* illustrate：Running water and washings essence used is all running water in the present invention, because in various processes step
In added component and order it is different, so a different name is to show difference.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (6)
1. a kind of manufacture method of high adhered modification guar gum, it is characterised in that add guar splits in high pressure resistant reactor and carry out
Quaternization, etherification reaction are made after modified guar piece, and progress is washed and purified product is made in centrifugal treating, then by super
Grinding technique, rapidly acting dry technology, air-flow vortex micro mist are crushed and high adhered modification guar gum finished product is made in sorting technology；
First step quaternization：Added in high pressure resistant reactor after guar splits, under confined space, temperature is maintained at 50-60
DEG C, under 0.03-0.06 MPas of nitrogen protection, add liquid base, Stirring 20~30 minutes；
Second step etherification reaction：Airtight vacuum lays down pressure, and temperature keeps 50~70 DEG C, 0.01~0.03 MPa of nitrogen protection
Under, etherifying agent is added, is reacted 0.5~3 hour；
3rd step：Airtight vacuum lays down pressure, adds carbon dioxide, stirs 15 minutes；
4th step：Add running water continue stir 30 minutes after, blowing obtains modified guar piece, add washing water washing from
Purified product is made in heart processing.
2. a kind of manufacture method of high adhered modification guar gum according to claim 1, it is characterised in that each parts by weight of raw materials
Number is as follows：
Guar splits：300-400 parts
Liquid base：30-70 parts
Etherifying agent：60-80 parts
Carbon dioxide：6-10 parts
Running water：100-150 parts
Washings：3500-4000 parts.
3. a kind of manufacture method of high adhered modification guar gum according to claim 1 or 2, it is characterised in that the liquid base
For 30% alkali lye, the etherifying agent is expoxy propane.
4. a kind of manufacture method of high adhered modification guar gum according to claim 1, it is characterised in that superfinishing technology
Refer to the roller grinding technique of high pressure three.
5. a kind of manufacture method of high adhered modification guar gum according to claim 1, it is characterised in that rapidly acting dry technology
Refer to modified guar coarse powder by high efficiency drying flashing apparatus, modified guar coarse powder water content is reached 7%~10%.
6. a kind of manufacture method of high adhered modification guar gum according to claim 1, it is characterised in that air-flow vortex micro mist
Crushing technology refers to modified guar coarse powder carrying out finely divided, screening in air-flow vortex super fine equipment, finally given
The modified guar powder that can be sieved more than 200 mesh.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510040786.4A CN104558235B (en) | 2015-01-28 | 2015-01-28 | A kind of manufacture method of high adhered modification guar gum |
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| CN201510040786.4A CN104558235B (en) | 2015-01-28 | 2015-01-28 | A kind of manufacture method of high adhered modification guar gum |
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| CN104558235B true CN104558235B (en) | 2017-07-21 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105566508A (en) * | 2016-01-25 | 2016-05-11 | 江苏金和万方新材料科技有限公司 | Preparation method of hydroxyethyl guar gum for cigarette paper |
| CN111440250A (en) * | 2020-05-25 | 2020-07-24 | 刘东辉 | Nonionic tara gum polysaccharide derivative and preparation method and application thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269975A (en) * | 1980-03-10 | 1981-05-26 | National Starch And Chemical Corporation | Preparation of guar gum |
| CN1176171C (en) * | 2002-03-04 | 2004-11-17 | 无锡金鑫科技有限公司 | Preparation method of high-viscosity nano guar gum |
| ITVA20110014A1 (en) * | 2011-05-25 | 2012-11-26 | Lamberti Spa | HYDROXIPROPY GUAR |
| CN103524633A (en) * | 2013-09-28 | 2014-01-22 | 昆山市周市溴化锂溶液厂 | Method for preparing high-viscosity modified guar gum |
| CN103641927B (en) * | 2013-12-10 | 2015-12-09 | 东营金明工贸有限公司 | A kind of preparation method being applicable to the fast hydrating guar of mixture continuously under cold condition |
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Effective date of registration: 20210210 Address after: 257300 Xiaoli village, Dawang Town, Guangrao County, Dongying City, Shandong Province Patentee after: SHANDONG DEKUN INDUSTRY AND TRADE Co.,Ltd. Address before: 257335 Dongying Jiayi Chemical Co., Ltd., Xiaoli village, Dawang Town, Guangrao County, Dongying City, Shandong Province Patentee before: DONGYING JIAYI CHEMICAL Co.,Ltd. |