CN111072993A - Preparation method of guar gum solution - Google Patents
Preparation method of guar gum solution Download PDFInfo
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- CN111072993A CN111072993A CN201911311968.5A CN201911311968A CN111072993A CN 111072993 A CN111072993 A CN 111072993A CN 201911311968 A CN201911311968 A CN 201911311968A CN 111072993 A CN111072993 A CN 111072993A
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- guar gum
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- ethylene glycol
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- pure water
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
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Abstract
The invention discloses a preparation method of guar gum solution, which comprises the following steps: 1) weighing a certain amount of guar gum (0.5-5 parts), ethylene glycol (5-50 parts) and pure water (100 parts); 2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min; 3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The method can quickly prepare the guar gum glycol solution meeting the requirements, not only saves time, but also increases the preparation success rate from less than 10 percent to 100 percent.
Description
Technical Field
The invention belongs to the field of ceramics or new materials, and particularly relates to a preparation method of guar gum solution.
Background
Guar gum polymers are environmentally friendly natural polymers extracted from guar seeds produced in india, pakistan, etc. Because the water-soluble polyurethane resin has better water solubility and crosslinking property and can form a high-viscosity stable aqueous solution at low concentration, the water-soluble polyurethane resin is used as a thickening agent, a stabilizing agent and an adhesive and is widely applied to industries such as cosmetics, petroleum drilling and production, food, medicine, textile printing and dyeing, mining and mineral separation, daily chemical ceramics, building coatings, paper making and the like.
Although guar gum has good water solubility and thickening property, guar gum often has the following defects of high ① water insoluble matter content, incapability of rapidly swelling and hydrating ②, slow dissolving speed, uncontrollable ③ viscosity, weak electrolyte resistance and shear resistance of ④, analysis is carried out according to the molecular structure of the guar gum due to the fact that guar gum molecules in a solid state generally exist in a curled spherical structure, mannose in a main chain, a large number of hydroxyl groups are basically wrapped in the molecule, so that the proper water solubility is not shown, but the water solubility is greatly reduced due to the hydrogen bond effect in the molecule.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a preparation method of guar gum solution.
The invention aims to solve the technical problems in the background art, adopts the technical scheme that the preparation method of the guar gum solution comprises the following steps:
1) weighing a certain amount of guar gum (0.5-5 parts), ethylene glycol (5-50 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min.
The ethylene glycol in the step 1) is preferably 10-30 parts.
The guar gum in the step 1) is preferably 1-3 parts.
The guar gum in the step 1) is preferably 3-5 parts.
Advantageous effects
Since guar gum is soluble in water and insoluble in ethylene glycol, the general procedure for preparing guar gum is to add guar gum to water and stir it to dissolve before adding ethylene glycol and stirring it. However, when the particle size of the guar gum is small, the guar gum is easy to form agglomeration when added into water, is difficult to completely dissolve after long-time stirring, and the viscosity is difficult to control due to uncertainty of stirring time. Causing preparation failure.
The method can quickly prepare the guar gum glycol solution meeting the requirements, not only saves time, but also increases the preparation success rate from less than 10 percent to 100 percent.
Drawings
Figure 1 is a graph of the effect of guar content and ethylene glycol ratio on solution viscosity.
Detailed Description
The invention is further described below with reference to the following figures and specific examples.
The viscosity was measured in accordance with the present invention (viscosity measuring apparatus brookfield-DV2T, rotor No. 4, 20 rpm).
Example 1
1) Weighing certain amounts of guar gum (0.5 parts), ethylene glycol (5 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 2400 cp.
Example 2
1) Weighing a certain amount of guar gum (1 part), ethylene glycol (5 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 3280 cp.
Example 3
1) Weighing a certain amount of guar gum (3 parts), ethylene glycol (5 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity is 6750 cp.
Example 4
1) Weighing certain amounts of guar gum (5 parts), ethylene glycol (5 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity is 18860 cp.
Example 5
1) Weighing certain amounts of guar gum (0.5 parts), ethylene glycol (10 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 2120 cp.
Example 6
1) Weighing a certain amount of guar gum (1 part), ethylene glycol (10 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 3080 cp.
Example 7
1) Weighing a certain amount of guar gum (3 parts), ethylene glycol (10 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 6430 cp.
Example 8
1) Weighing certain amounts of guar gum (5 parts), ethylene glycol (10 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 17400 cp.
Example 9
1) Weighing certain amounts of guar gum (0.5 parts), ethylene glycol (30 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity is 2080 cp.
Example 10
1) Weighing a certain amount of guar gum (1 part), ethylene glycol (30 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 3094 cp.
Example 11
1) Weighing a certain amount of guar gum (3 parts), ethylene glycol (30 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 6210 cp.
Example 12
1) Weighing certain amounts of guar gum (5 parts), ethylene glycol (30 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 16700 cp.
Example 13
1) Weighing certain amounts of guar gum (0.5 parts), ethylene glycol (50 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 2010 cp.
Example 14
1) Weighing a certain amount of guar gum (1 part), ethylene glycol (50 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 2940 cp.
Example 15
1) Weighing a certain amount of guar gum (3 parts), ethylene glycol (50 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity is 6140 cp.
Example 16
1) Weighing certain amounts of guar gum (5 parts), ethylene glycol (50 parts) and pure water (100 parts);
2) adding a certain amount of guar gum into corresponding pure ethylene glycol, and stirring for 10min at the rotating speed of 100 r/min;
3) adding the mixture of guar gum and glycol into pure water, and stirring for 30min at the rotation speed of 100 r/min. The viscosity was 16000.
Claims (4)
1. A preparation method of guar gum solution is characterized by comprising the following steps:
1) weighing 0.5-5 parts of guar gum, 5-50 parts of ethylene glycol and 100 parts of pure water;
2) adding the guar gum obtained in the step 1) into the ethylene glycol obtained in the step 1), and stirring for 10min at a rotating speed of 100r/min to obtain a mixture of the guar gum and the ethylene glycol;
3) adding the mixture of the guar gum and the glycol obtained in the step 2) into pure water, and stirring for 30min at the rotating speed of 100 r/min.
2. The method for preparing guar gum solution according to claim 1, wherein the ethylene glycol in step 1) is preferably 10-30 parts.
3. The method for preparing guar gum solution according to claim 1, wherein guar gum in step 1) is preferably 1-3 parts.
4. The method for preparing guar gum solution according to claim 1, wherein guar gum in step 1) is preferably 3-5 parts.
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| CN201911311968.5A CN111072993A (en) | 2019-12-18 | 2019-12-18 | Preparation method of guar gum solution |
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| CN201911311968.5A CN111072993A (en) | 2019-12-18 | 2019-12-18 | Preparation method of guar gum solution |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101027376A (en) * | 2004-08-05 | 2007-08-29 | 贝克休斯公司 | Stabilizing crosslinked polymer guars and modified guar derivatives |
| CN103554288A (en) * | 2013-10-11 | 2014-02-05 | 北京国海能源技术研究院 | Instant guar gum and preparation method thereof |
| CN105542027A (en) * | 2016-01-25 | 2016-05-04 | 江苏金和万方新材料科技有限公司 | Manufacturing method of rapid hydration guar gum |
| CN105682745A (en) * | 2013-10-28 | 2016-06-15 | 宝洁公司 | Late stage addition of rheology modifier |
| CN105748417A (en) * | 2016-04-15 | 2016-07-13 | 广州创赛生物医用材料有限公司 | Preparation method of novel sulfhydrylated nanoparticles based on guar gum/cysteine conjugates |
-
2019
- 2019-12-18 CN CN201911311968.5A patent/CN111072993A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101027376A (en) * | 2004-08-05 | 2007-08-29 | 贝克休斯公司 | Stabilizing crosslinked polymer guars and modified guar derivatives |
| CN103554288A (en) * | 2013-10-11 | 2014-02-05 | 北京国海能源技术研究院 | Instant guar gum and preparation method thereof |
| CN105682745A (en) * | 2013-10-28 | 2016-06-15 | 宝洁公司 | Late stage addition of rheology modifier |
| CN105542027A (en) * | 2016-01-25 | 2016-05-04 | 江苏金和万方新材料科技有限公司 | Manufacturing method of rapid hydration guar gum |
| CN105748417A (en) * | 2016-04-15 | 2016-07-13 | 广州创赛生物医用材料有限公司 | Preparation method of novel sulfhydrylated nanoparticles based on guar gum/cysteine conjugates |
Non-Patent Citations (1)
| Title |
|---|
| 张玲等: ""醇对瓜尔胶高分子水溶液黏度的影响"", 《高分子材料科学与工程》 * |
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