CN2824013Y - Tester for high water absorbility resin strength - Google Patents
Tester for high water absorbility resin strength Download PDFInfo
- Publication number
- CN2824013Y CN2824013Y CN 200520086604 CN200520086604U CN2824013Y CN 2824013 Y CN2824013 Y CN 2824013Y CN 200520086604 CN200520086604 CN 200520086604 CN 200520086604 U CN200520086604 U CN 200520086604U CN 2824013 Y CN2824013 Y CN 2824013Y
- Authority
- CN
- China
- Prior art keywords
- high water
- pressure
- circular disc
- absorbent resin
- tester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a tester, particularly to a tester for high water absorptivity resin strength. The utility model is characterized in that an upper circular disc and a lower circular disc are respectively arranged on the two ends of a middle container, and the inner diameter of the circular disc is matched with the inner diameter of the middle container. The inner part of the top end of the upper circular disc is provided with small pores which are distributed uniformly, the outer part of the upper circular disc is orderly sheathed with a pressure gauge and a pressure pump, and high water absorptivity resin gel is arranged between the pressure gauge and the small pores. The bottom of the middle container is provided with a filtering net and a filtering piece, and the upper surface of the filtering net is filled with sand. The utility model has the advantage that via the pressurization of the pressure pump, the indication situation of the pressure gauge can be observed. When the high water absorptivity resin gel is sheared into pieces which successfully pass through the small pores, the pressure drops immediately, and then the pressure at that time, is compressive strength. In addition, the pumping velocity can be adjusted via the pressurization of the pressure pump, and thus the stability and the precision of the test are enhanced.
Description
One, technical field:
The utility model relates to a kind of determining instrument, particularly relates to a kind of super absorbent resin intensity measuring device.
Two, background technology:
Super absorbent resin is born in the sixties in 20th century as a kind of functional high molecule material.Be described as one of new technology nineties in 20th century in Japan.Development and exploitation to functional high molecule material now become one of the research focus in materialogy field.Super absorbent resin claims that again super strength water absorbent (Super Absorbent Resin, be called for short SAP) is to obtain a kind of new type functional macromolecular material with tridimensional network of developing rapidly in recent years.This material it can the quality of absorption own hundreds of times to thousands of times water, not only rate of water absorption is fast, multiplying power is high, and the not easy-to-use mechanical pressure of the moisture that absorbs extrudes, has good water retention property, its Stability Analysis of Structures particularly, nonpoisonous and tasteless, so purposes is quite extensive, be widely used in all trades and professions such as oil exploitation, industry, agricultural, forestry, gardening, food industry and health care.
In addition, the gel after the super absorbent resin suction need have certain intensity, to keep good water-retaining property and processing characteristics.Super absorbent resin intensity Yin Wendu, pressure and expansion multiple etc. are different and different, even widely different.High hydroscopicity resin hydrogel have viscosity, if disperse in water, then suction forms hydrogel at once, apparent viscosity increases.The rheological behaviour of resin hydrogel meets the index law of pseudoplastic fluid, that is to say, its apparent viscosity will reduce along with the increase of shear rate.In addition, temperature difference, the viscosity of gel are also significantly different, and general temperature raises, and viscosity reduces.If the resin crosslinking degree is too low, make the water-soluble formation colloidal sol of partial tree fat, colloidal sol will influence the practical application of resin.Because this special rheological property of super absorbent resin, thickening property is its remarkable characteristic, just solution viscosity can be improved greatly with very a spot of resin.Owing to above reason, the test relative difficulty of high water absorbent resin gel intensity is bigger, is in the qualitative evaluation stage both at home and abroad mostly, and more existing method for quantitatively evaluating operation easier are big, and poor stability is difficult to guarantee accuracy.
Three, summary of the invention:
The purpose of this utility model is exactly the above-mentioned defective that exists at prior art, provides a kind of and suppresses with forcing pump, and the speed of pumping into can be adjusted, and has improved the super absorbent resin intensity measuring device of measuring stability precision.
Its technical scheme is: respectively put last disk (8) and lower disc (10) that diameter and intermediate receptacle (2) internal diameter coincide at the two ends of intermediate receptacle (2), the inner distribution aperture (9) in last disk (8) top, the outside is socket tensimeter (7) and forcing pump (1) successively, and the high water absorbent resin gel body places between tensimeter (7) and the aperture (9); Be provided with filter screen (4) and filter disc (5) in described intermediate receptacle (2) bottom, and on filter screen (4), fill sand grains (3).
The receiver (6) of groove shape can also be set under described intermediate receptacle (2) in addition.
Effect of the present utility model is: by suppressing with forcing pump, observe tensimeter indication situation, after high water absorbent resin gel body shearing-crushing passes through aperture smoothly, pressure descends rapidly, the pressure of this moment is compressive strength, in addition, and by suppressing with forcing pump, the speed of pumping into can be adjusted, and has improved the measuring stability precision.
Four, description of drawings:
Fig. 1 is a structural representation of the present utility model.
Five, embodiment:
In conjunction with the accompanying drawings, the utility model will be further described:
Its technical scheme is: the two ends of intermediate receptacle 2 put respectively that diameter and intermediate receptacle 2 internal diameters coincide on disk 8 and lower disc 10, the inner distribution aperture 9 in last disk 8 tops, the outside is socket tensimeter 7 and forcing pump 1 successively, and the high water absorbent resin gel body places between tensimeter 7 and the aperture 9; Be provided with filter screen 4 and filter disc 5 in described intermediate receptacle 2 bottoms, and on filter screen 4, fill sand grains 3.The receiver 6 of groove shape can also be set under described intermediate receptacle 2 in addition.
Its method of operating is: a, filter screen are last, and filter disc with holes installs analyzer down by figure.B, in the intermediate receptacle 2 of analyzer, fill a certain amount of sand grains and the analyzer two ends are fixed, tighten the valve screw.C, the analyzer that will install sand grains are fixed on the fixed mount, and connect with forcing pump.D, opening pressure pump, record pressure and discharge capacity.The pressure that e, observation are injected behind the high water absorbent resin gel body changes and displacement variation.F, treat all stable back of pressure and discharge capacity record data, observe manometric indication situation, wait for when pressure descends suddenly, write down force value, be breakthrough pressure.
Claims (2)
1, a kind of super absorbent resin intensity measuring device, it is characterized in that: respectively put last disk (8) and lower disc (10) that diameter and intermediate receptacle (2) internal diameter coincide at the two ends of intermediate receptacle (2), the inner evenly distribution aperture (9) in last disk (8) top, the outside is socket tensimeter (7) and forcing pump (1) successively, and the high water absorbent resin gel body places between tensimeter (7) and the aperture (9); Be provided with filter screen (4) and filter disc (5) in described intermediate receptacle (2) bottom, and on filter screen (4), fill sand grains (3).
2, super absorbent resin intensity measuring device according to claim 1 is characterized in that: the receiver (6) that groove shape is set under described intermediate receptacle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520086604 CN2824013Y (en) | 2005-08-25 | 2005-08-25 | Tester for high water absorbility resin strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520086604 CN2824013Y (en) | 2005-08-25 | 2005-08-25 | Tester for high water absorbility resin strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2824013Y true CN2824013Y (en) | 2006-10-04 |
Family
ID=37033128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520086604 Expired - Fee Related CN2824013Y (en) | 2005-08-25 | 2005-08-25 | Tester for high water absorbility resin strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2824013Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515156A (en) * | 2017-08-24 | 2017-12-26 | 中国石油天然气股份有限公司 | A kind of strength test system and method for water plugging profile control agent |
| US10634595B2 (en) | 2015-10-07 | 2020-04-28 | Lg Chem, Ltd. | Method of measuring fracture strength of single particles of superabsorbent polymer |
-
2005
- 2005-08-25 CN CN 200520086604 patent/CN2824013Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10634595B2 (en) | 2015-10-07 | 2020-04-28 | Lg Chem, Ltd. | Method of measuring fracture strength of single particles of superabsorbent polymer |
| CN107515156A (en) * | 2017-08-24 | 2017-12-26 | 中国石油天然气股份有限公司 | A kind of strength test system and method for water plugging profile control agent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |