CN107132159B - Pretreatment device and method for simultaneously measuring hydrophobic and oleophobic characteristics of paper - Google Patents
Pretreatment device and method for simultaneously measuring hydrophobic and oleophobic characteristics of paper Download PDFInfo
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- CN107132159B CN107132159B CN201710329697.0A CN201710329697A CN107132159B CN 107132159 B CN107132159 B CN 107132159B CN 201710329697 A CN201710329697 A CN 201710329697A CN 107132159 B CN107132159 B CN 107132159B
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- sample table
- base
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- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title description 8
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 230000005484 gravity Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000002203 pretreatment Methods 0.000 claims abstract description 6
- 239000002699 waste material Substances 0.000 claims description 16
- 239000012466 permeate Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000003988 headspace gas chromatography Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
Abstract
The invention discloses a pretreatment device and a pretreatment method for simultaneously measuring the hydrophobic and oleophobic characteristics of paper, wherein the pretreatment device comprises two sample needles with the same structure, a sample table, two sample needle mounting brackets with the same structure and a base; the two sample needle mounting brackets are respectively parallel and vertically fixed on the base; the two sample needles are respectively fixed on the two sample needle mounting brackets; the sample table is positioned below the two sample needles, and two ends of the sample table are respectively arranged on the base through the supporting frame; a clamping groove for fixing the sample is arranged on the surface of the sample table and below the two sample needles. The sample table is rotationally connected with the support frame; one side of the supporting frame is provided with a rotary button connected with the sample table. The double-sample needle is used for simultaneously titrating water and oily substances, and the non-permeated liquid flows out under the action of gravity through the rotation of the sample table, so that the sample after the water absorption and the oil absorption of the paper is obtained, the hydrophobic and oleophobic characteristics of the paper are simultaneously measured by combining a headspace gas chromatography technology, and the experimental efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of paper detection, in particular to a pretreatment device and method for simultaneously measuring the hydrophobic and oleophobic characteristics of paper.
Background
At present, the wetting property of the test liquid on paper is mainly realized by measuring a contact angle, and the measurement of the contact angle is mainly realized by measuring angles, heights or force. These methods require manual continuous accurate operation and observation, have many human factors in the measurement process, and the accuracy of data depends largely on the personal skills of the measurer, so that large experimental errors can occur. Furthermore, various optical instruments and mechanical instruments are needed for measurement in the operations, the steps are very tedious and time-consuming, the operation is very complex, and the working efficiency and the activity of operators are seriously affected.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a pretreatment device and a pretreatment method for measuring the hydrophobic and oleophobic characteristics of paper, which have simple structure and convenient operation. The device can greatly reduce errors caused by manual operation and visual resolution, simplify complex experimental processes and improve experimental efficiency.
The invention is realized by the following technical scheme:
a pretreatment device for simultaneously measuring the hydrophobic and oleophobic properties of paper comprises the following components:
two sample needles 1 with the same structure;
a sample stage 2;
two sample needle mounting brackets 3 with the same structure;
a base 7;
the two sample needle mounting brackets 3 are respectively parallel and vertically fixed on the base 7;
the two sample needles 1 are respectively fixed on two sample needle mounting brackets 3;
the sample table 2 is positioned below the two sample needles 1, and two ends of the sample table are respectively arranged on the base 7 through the supporting frames 4;
a clamping groove 9 for fixing a sample is provided on the surface of the sample stage 2 below the two sample pins 1.
The sample table 2 is rotatably connected with the support frame 4 through a shaft;
one side of the supporting frame 4 is provided with a rotary button 5 connected with the sample table 2;
when the rotary knob 5 is turned, the levelness and the inclination of the sample stage 2 can be adjusted.
The middle part of the base 7 is provided with a waste liquid tank 6;
when the rotary knob 5 is rotated and the sample stage 2 is gradually tilted, the liquid which does not penetrate into the sample falls into the waste liquid tank 6 by gravity.
The sample needle mounting bracket 3 is provided with a sliding rod 8 for controlling the sample needle 1 to suck and titrate the liquid to be measured; the sliding rod 8 is arranged in the sliding groove of the sample needle mounting bracket 3.
A drain hole 10 for draining the liquid is provided at one side of the bottom of the waste liquid tank 6.
The sample needle 1 is made of glass or plastic.
The sliding rod 8 is made of metal or plastic.
Two sample needles 1 were used to hold water and oily liquids, respectively.
Collecting; firstly, inserting paper into a clamping groove 9, and rotating a rotary button 5 to adjust the levelness of a sample table 2 so that the plane of the paper and a sample needle 1 are kept perpendicular to each other;
lifting the sliding rod 8 to enable corresponding liquid samples to be respectively sucked into each sample needle 1, and synchronously adjusting the descending speed of the sliding rod 8 to enable the corresponding liquid samples to be stably dripped on paper; standing the paper for 60s to enable the liquid sample to fully permeate the paper;
rotating the rotary button 5 turns the sample stage 2 over, and the non-permeated liquid flows into the waste liquid tank 6 under the action of gravity, so that sample collection is completed.
Compared with the prior art, the invention has the following advantages and effects:
1. according to the invention, two sample needle mounting brackets 3 are respectively parallel and vertically fixed on a base 7; the two sample needles 1 are respectively fixed on the two sample needle mounting brackets 3; the sample table 2 is positioned below the two sample needles 1, and two ends of the sample table are respectively arranged on the base 7 through the supporting frame 4; the sample stage 2 has functions of overturning, leveling and the like. By being combined with a headspace gas chromatograph, the manual error and complicated steps caused by directly measuring the contact angle can be avoided, thereby greatly improving the accuracy and experimental efficiency of experimental data.
2. The traditional method for testing the hydrophobic and oleophobic characteristics of the paper needs to measure the contact angle, is long in time consumption and complex in process, and is operated manually to observe and read the scale, and then calculation is carried out; the invention combines the headspace gas chromatography, omits the step of measuring the contact angle, and achieves the aim of accurately measuring the hydrophobic and oleophobic performance of the paper.
3. According to the invention, the double-sample needle 1 is utilized to simultaneously titrate water and oily substances, and the non-permeated liquid flows out under the action of gravity through the rotation of the sample table 2, so that the sample after the water absorption and oil absorption of the paper is obtained, and the hydrophobic and oleophobic characteristics of the paper are simultaneously measured by combining the headspace gas chromatography technology, so that the experimental efficiency is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a pretreatment device for simultaneously measuring the hydrophobic and oleophobic properties of paper according to the present invention.
FIG. 2 is a schematic front view of a pretreatment device for simultaneously measuring the hydrophobic and oleophobic properties of paper according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Examples
As shown in fig. 1 and 2. The invention discloses a pretreatment device for simultaneously measuring the hydrophobic and oleophobic characteristics of paper, which comprises the following components:
two sample needles 1 with the same structure;
a sample stage 2;
two sample needle mounting brackets 3 with the same structure;
a base 7;
the two sample needle mounting brackets 3 are respectively parallel and vertically fixed on the base 7;
the two sample needles 1 are respectively fixed on two sample needle mounting brackets 3;
the sample table 2 is positioned below the two sample needles 1, and two ends of the sample table are respectively arranged on the base 7 through the supporting frames 4;
a clamping groove 9 for fixing a sample is provided on the surface of the sample stage 2 below the two sample pins 1. The specific shape and size of the clamping groove 9 can be determined according to practical application.
The sample table 2 is rotatably connected with the support frame 4 through a shaft;
one side of the supporting frame 4 is provided with a rotary button 5 connected with the sample table 2;
when the rotary knob 5 is turned, the levelness and the inclination of the sample stage 2 can be adjusted.
The middle part of the base 7 is provided with a waste liquid tank 6;
when the rotary knob 5 is rotated and the sample stage 2 is gradually tilted, the liquid which does not penetrate into the sample falls into the waste liquid tank 6 by gravity. The waste liquid tank 6 has a length of about 10cm, a width of about 3cm and a depth of about 1cm; of course, the specific dimensions may be determined according to the actual application.
The sample needle mounting bracket 3 is provided with a sliding rod 8 for controlling the sample needle 1 to suck and titrate the liquid to be measured; the sliding rod 8 is arranged in the sliding groove of the sample needle mounting bracket 3.
A drain hole 10 for draining the liquid is provided at one side of the bottom of the waste liquid tank 6.
The sample needle 1 is made of glass or plastic.
The sliding rod 8 is made of metal or plastic.
Two sample needles 1 were used to hold water and oily liquids, respectively.
The pretreatment method for simultaneously determining the hydrophobic and oleophobic characteristics of the paper can be realized by the following steps:
step one: firstly, inserting paper into a clamping groove 9, and rotating a rotary button 5 to adjust the levelness of a sample table 2 so that the plane of the paper and a sample needle 1 are kept perpendicular to each other;
step two: lifting the sliding rod 8 to enable corresponding liquid samples to be respectively sucked into each sample needle 1, and synchronously adjusting the descending speed of the sliding rod 8 to enable the corresponding liquid samples to be stably dripped on paper; standing the paper for 60s to enable the liquid sample to fully permeate the paper;
step three: rotating the rotary button 5 turns the sample stage 2 over, and the non-permeated liquid flows into the waste liquid tank 6 under the action of gravity, so that sample collection is completed.
After the sample pretreatment is completed, water is added to wash the waste liquid tank 6, and the washing waste liquid is discharged from the liquid discharge hole 10.
As described above, the present invention can be preferably realized.
The embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the invention should be made and equivalents should be construed as falling within the scope of the invention.
Claims (1)
1. A pretreatment method for simultaneously measuring the hydrophobic and oleophobic characteristics of paper is characterized in that the pretreatment method is realized by a pretreatment device for simultaneously measuring the hydrophobic and oleophobic characteristics of the paper;
the pretreatment device comprises the following components:
two sample needles (1) with the same structure;
a sample stage (2);
two sample needle mounting brackets (3) with the same structure;
a base (7);
the two sample needle mounting brackets (3) are respectively parallel and vertically fixed on the base (7);
the two sample needles (1) are respectively fixed on the two sample needle mounting brackets (3);
the sample table (2) is positioned below the two sample needles (1), and two ends of the sample table are respectively arranged on the base (7) through the supporting frame (4);
a clamping groove (9) for fixing a sample is arranged on the surface of the sample table (2) and below the two sample needles (1);
the sample table (2) is rotatably connected with the support frame (4) through a shaft;
one side of the supporting frame (4) is provided with a rotary button (5) connected with the sample table (2);
when the rotary button (5) is rotated, the levelness and the inclination of the sample table (2) can be adjusted;
the middle part of the base (7) is provided with a waste liquid tank (6);
when the rotary button (5) is rotated and the sample table (2) is gradually inclined, the liquid which does not permeate into the sample falls into the waste liquid tank (6) under the action of gravity;
the sample needle mounting bracket (3) is provided with a sliding rod (8) for controlling the sample needle (1) to suck and titrate the liquid to be measured; the sliding rod (8) is arranged in a sliding groove of the sample needle mounting bracket (3);
a liquid discharge hole (10) for discharging liquid in the waste liquid tank (6) is arranged at one side of the bottom of the waste liquid tank;
the sample needle (1) is made of glass or plastic;
the sliding rod (8) is made of metal or plastic;
the two sample needles (1) are respectively used for placing water and oily liquid;
the pretreatment method comprises the following steps:
step one: firstly, inserting paper into a clamping groove (9), and rotating a rotary button (5) to adjust the levelness of a sample table (2) so that the plane of the paper and a sample needle (1) are kept perpendicular to each other;
step two: lifting the sliding rod (8) to enable corresponding liquid samples to be respectively sucked into each sample needle (1), and synchronously adjusting the descending speed of the sliding rod (8) to enable the corresponding liquid samples to be stably dripped on paper; standing the paper for 60s to enable the liquid sample to fully permeate the paper;
step three: rotating the rotary button (5) to enable the sample table (2) to turn over, and enabling the non-permeated liquid to flow into the waste liquid tank (6) under the action of gravity, so that sample collection is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710329697.0A CN107132159B (en) | 2017-05-11 | 2017-05-11 | Pretreatment device and method for simultaneously measuring hydrophobic and oleophobic characteristics of paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710329697.0A CN107132159B (en) | 2017-05-11 | 2017-05-11 | Pretreatment device and method for simultaneously measuring hydrophobic and oleophobic characteristics of paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107132159A CN107132159A (en) | 2017-09-05 |
| CN107132159B true CN107132159B (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710329697.0A Active CN107132159B (en) | 2017-05-11 | 2017-05-11 | Pretreatment device and method for simultaneously measuring hydrophobic and oleophobic characteristics of paper |
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| Country | Link |
|---|---|
| CN (1) | CN107132159B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917060B (en) * | 2019-02-28 | 2022-02-01 | 云南中烟工业有限责任公司 | Method for measuring oil repellency of paper by using tracer-headspace gas chromatography |
| CN109910486B (en) * | 2019-03-13 | 2021-02-12 | 华邦古楼新材料有限公司 | Method and equipment for manufacturing high-performance thermal sublimation transfer printing paper |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865807A (en) * | 2010-04-15 | 2010-10-20 | 上海梭伦信息科技有限公司 | Apparatus and method for testing solid-liquid dynamic and static contact angles by actual liquid droplet method |
| CN204314182U (en) * | 2014-12-04 | 2015-05-06 | 上海梭伦信息科技有限公司 | A kind of interfacial tension based on analytical balance and contact angle proving installation |
-
2017
- 2017-05-11 CN CN201710329697.0A patent/CN107132159B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865807A (en) * | 2010-04-15 | 2010-10-20 | 上海梭伦信息科技有限公司 | Apparatus and method for testing solid-liquid dynamic and static contact angles by actual liquid droplet method |
| CN204314182U (en) * | 2014-12-04 | 2015-05-06 | 上海梭伦信息科技有限公司 | A kind of interfacial tension based on analytical balance and contact angle proving installation |
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| CN107132159A (en) | 2017-09-05 |
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