CN108896480B - Device and method for testing adhesive force of textile slurry - Google Patents
Device and method for testing adhesive force of textile slurry Download PDFInfo
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- CN108896480B CN108896480B CN201810437029.4A CN201810437029A CN108896480B CN 108896480 B CN108896480 B CN 108896480B CN 201810437029 A CN201810437029 A CN 201810437029A CN 108896480 B CN108896480 B CN 108896480B
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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Abstract
The invention relates to the field of textile size adhesion detection, and discloses and provides a device for testing textile size adhesion and a testing method thereof, wherein the device comprises a quantitative sizing device and a constant temperature device, the quantitative sizing device is provided with a groove plate (1), and the groove plate (1) is provided with a plurality of roving placing grooves (3) for placing roving and injecting size; the constant temperature device (2) is a constant temperature electric heating plate, and the trough plate (1) is arranged on the constant temperature device (3). The testing method comprises the steps of textile slurry sampling, device temperature adjustment, roving sizing, constant-temperature drying, humidity adjustment and testing, wherein roving strips are placed in a groove plate (1), and roving sizing can be quantitatively carried out at high temperature; the groove plate is arranged on the constant temperature device, the sizing roving strips are dried through the constant temperature device, the actual sizing yarn drying process is simulated, the actual sizing process can be reflected by the dried sizing roving strips, data are provided for the adhesion force comparison among the size, and the result has authenticity and comparability with the actual situation.
Description
Technical Field
The invention relates to the field of textile size adhesion detection, in particular to a device and a method for testing textile size adhesion.
Background
The roving method is a general method for detecting the adhesive property of the sizing agent, and can reflect the adhesive property of the sizing agent to a certain extent. However, the test results of the roving method are not comparable and are not authentic. Under the test condition of the existing method, different sizing agents have different sizing rates when sizing the same roving despite the same concentration of the sizing agent, and the sizing rates of the same sizing agent on different rovings are also different, so that the test result has no comparability, and the condition of good and bad adhesion of various sizing agents cannot be well reflected; under the test condition of the existing method, the roving is saturated and soaked, the obtained sizing rate is too high, the too high sizing rate can cause too high slurry cohesion in the roving, the too high sizing rate has great negative influence on the slurry adhesion test result, and even the slurry adhesion cannot be correctly judged from the test result; under the test condition of the existing method, the adhesion of the sizing agent on the fiber is realized by natural drying after the roving is soaked, which is contrary to the process characteristic that the sizing agent on the sizing agent is adhered on the fiber by high-temperature drying in the production practice process, and the real adhesion performance of the sizing agent on the fiber under the production condition cannot be reflected; under the test conditions of the existing method, the concentration of the pulp is far lower than that of the practical application in production, and the real adhesion performance of the pulp on the fiber under the production condition cannot be reflected. In order to eliminate the defects that the result is not comparable when the adhesive property of the sizing agent is detected by a roving method and the adhesive property of the sizing agent under the actual production condition cannot be reflected, the invention provides a novel method for testing the adhesive property of textile sizing agent, and the testing result has authenticity and comparability through quantitative sizing and constant-temperature drying technologies.
Disclosure of Invention
Aiming at the defect that the textile size adhesion detection technology in the prior art is incomplete, the invention provides a device and a method for testing the textile size adhesion.
In order to solve the technical problem, the invention is solved by the following technical scheme:
a device for testing the adhesive force of textile size comprises a quantitative sizing device and a constant temperature device, wherein the quantitative sizing device is provided with a groove plate, and the groove plate is provided with a plurality of roving placing grooves for placing roving and injecting the size; the constant temperature device is a constant temperature electric heating plate, and the trough plate is arranged on the constant temperature device. The roving placing groove is used for placing roving strips with specified lengths and injecting the specified size of the size to fulfill the aim of quantitative sizing, and the temperature of the constant temperature device can be constant at the size drying temperature in actual production.
Preferably, the groove plate is made of polypropylene material, the width of the groove plate is 180mm, and the length of the groove plate is 320 mm.
Preferably, the roving placement groove has a length of 150mm, a width of 10mm and a depth of 10 mm.
Preferably, the distance between every two adjacent roving placement grooves is 3 mm.
A method of testing an apparatus for testing the adhesion of textile slurry comprising the steps of:
A. placing the prepared slurry into a constant-temperature water bath for heat preservation, heating a constant-temperature device to a set temperature, and installing a trough plate on the constant-temperature device;
B. setting the temperature of a constant temperature device, when the surface temperatures of the constant temperature device and a groove plate reach the set temperature, placing the roving in a roving placing groove, taking high-temperature slurry by a metering device, quickly pouring the high-temperature slurry on the roving, and pressing the roving by a pressing rod to enable the roving to be soaked by the slurry to obtain a sizing roving strip;
C. drying the sized roving on a constant temperature device at constant temperature until the sized roving is dried to obtain dried roving;
D. placing the dried roving in a constant temperature and humidity chamber for 24 hours for humidity adjustment;
E. the breaking strength of the roving was measured with a fabric strength tester. The fabric strength meter measures the breaking strength of the roving and is characterized by the adhesion of the textile size. The principle of the method for testing the slurry adhesion is to characterize the slurry adhesion by the breaking strength of the sized roving. The specific adhesion is an index for measuring the adhesion performance of the sizing agent to the roving, namely B is F/S, wherein F is the breaking strength (N) of the roving; s is the sizing percentage (%) of the warp; b is specific adhesion (N). Under the condition that the sizing rate is directly available, the breaking strength of the roving can be obtained more conveniently.
Preferably, the prepared slurry in the step A is placed into a constant temperature water bath for heat preservation, and the temperature of the constant temperature water bath is 95 ℃. The constant temperature water bath is utilized to preserve the temperature of the slurry, so that the slurry keeps high temperature when being starched, and the application is consistent with the practical application.
Preferably, in the step B, the temperature of the thermostat device is set to 95 ℃, and the roving is placed in the roving placement tank when the surface temperatures of the thermostat device and the tank plate both reach 95 ℃. The temperature of the constant temperature device 2 and the temperature of the slot plate 1 are both 95 ℃, and the constant temperature device 2 is used for heating the slot plate 1 until the temperatures are consistent.
Preferably, the metering device in step B is a syringe, and the volume of the high-temperature slurry extracted is 1 mL. The using amount of the high-temperature size with the volume of 1mL is matched with the structure of the trough plate, the effect that the size layer is not too thin or too thick can be achieved, the sizing rate is kept at a stable value, compared with the situation that the roving is directly immersed into the size to naturally absorb the size, the sizing rates of different sizes to the same type of roving can be different under the same condition, the length, the width and the sizing amount of the roving are all at stable values, therefore, the sizing rates are equal, the excessive size is not added, and the supersaturation of the size absorption of the roving is avoided.
Preferably, the temperature of the constant temperature device in the step C is constant at 95 ℃, and the sized roving strips are placed on the constant temperature device to be dried for 1 hour. In the practical production process, the sizing agent on the sizing is dried at high temperature to realize the adhesion of the sizing agent on the fiber, the implementation process adopts a quantitative high-temperature sizing mode to size the roving strips, the actual sizing condition is simulated, the sized roving strips are dried at constant temperature, and the sized roving strips are placed on a constant temperature device to be dried, so that the real adhesion performance of the sizing agent on the fiber under the production condition can be simulated.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that: the roving strips are placed on a specially-made groove plate containing a plurality of roving placing grooves with the same size, and roving and sizing can be carried out quantitatively at high temperature; the groove plate is arranged on the constant temperature device, the sizing roving strips are dried through the constant temperature device, the actual sizing yarn drying process is simulated, the dried sizing roving strips can reflect the actual sizing process, the detection result is more authentic, more comparable data is provided for the adhesion force comparison between the sizing liquid, and the result is more authentic and comparable.
Drawings
Fig. 1 is a schematic structural diagram of the invention.
FIG. 2 is a diagram of a quantitative sizing apparatus.
The names of the parts indicated by the numerical references in the above figures are as follows: wherein, 1-frid, 2-constant temperature equipment, 3-roving standing groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A device for testing the adhesive force of textile size comprises a quantitative sizing device and a constant temperature device, wherein the quantitative sizing device is provided with a groove plate 1, and the groove plate 1 is provided with a plurality of roving placing grooves 3 for placing roving and injecting size; the constant temperature device 2 is a constant temperature electric heating plate, and the trough plate 1 is arranged on the constant temperature device 2. The temperature of the thermostat can be constant at the slashing drying temperature in actual production. In the embodiment, the constant temperature device is a constant temperature electric heating plate, the temperature setting range of the constant temperature electric heating plate is 40-110 ℃, the length of the constant temperature electric heating plate is 600mm, the width of the constant temperature electric heating plate is 400mm, and the height of the constant temperature electric heating plate is 200 mm.
The groove plate 1 is made of polypropylene materials, the width of the groove plate 1 is 180mm, and the length of the groove plate 1 is 320 mm. In the embodiment, the groove plate 1 is provided with 24 roving placing grooves 3,
the roving placing groove 3 is 150mm in length, 10mm in width and 10mm in depth.
The distance between every two adjacent roving placement grooves 3 is 3 mm.
A method of testing an apparatus for testing the adhesion of textile slurry comprising the steps of:
A. placing the prepared slurry into a constant-temperature water bath for heat preservation, heating the constant-temperature device 2 to a set temperature, and installing the trough plate 1 on the constant-temperature device 2;
B. setting the temperature of the constant temperature device 2, placing the roving in the roving placing groove 3 when the surface temperatures of the constant temperature device 2 and the groove plate 1 reach the set temperature, taking high-temperature slurry by using a metering device, quickly pouring the high-temperature slurry on the roving, and pressing the roving by using a pressing rod to enable the roving to be soaked by the slurry to obtain a sizing roving strip; in this embodiment, the press bar is a round-head glass bar;
C. drying the sizing roving on a constant temperature device 2 at constant temperature until the sizing roving is dried to obtain dried roving;
D. placing the dried roving in a constant temperature and humidity chamber for 24 hours for humidity adjustment;
E. the breaking strength of the roving was measured with a fabric strength tester.
And D, placing the prepared slurry in the step A into a constant-temperature water bath for heat preservation, wherein the temperature of the constant-temperature water bath is 95 ℃.
In the step B, the temperature of the thermostat 2 is set to 95 ℃, and when the surface temperatures of the thermostat 2 and the groove plate 1 reach 95 ℃, the roving is placed in the roving placing groove 3. The temperature of the constant temperature device 2 and the temperature of the slot plate 1 are both 95 ℃, and the constant temperature device 2 is used for heating the slot plate 1 until the temperatures are consistent.
The metering device in the step B is a syringe, and the volume of the extracted high-temperature slurry is 1 mL.
And C, the temperature of the constant temperature device 2 is constant at 95 ℃, and the sized roving strips are placed on the constant temperature device 2 to be dried for 1 hour.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (5)
1. A test method of a device for testing the adhesive force of textile size is characterized by comprising a device for testing the adhesive force of the textile size, which comprises a quantitative sizing device and a constant temperature device, wherein the quantitative sizing device is provided with a groove plate (1), and the groove plate (1) is provided with a plurality of roving placing grooves (3) for placing roving and injecting size; the constant temperature device (2) is a constant temperature electric heating plate, and the trough plate (1) is arranged on the constant temperature device (2); the groove plate (1) is made of polypropylene materials, the width of the groove plate (1) is 180mm, and the length of the groove plate (1) is 320 mm; the roving containing groove (3) is 150mm in length, 10mm in width and 10mm in depth; the distance between every two adjacent roving placing grooves (3) is 3 mm;
the method comprises the following steps:
A. placing the prepared slurry into a constant-temperature water bath for heat preservation, heating the constant-temperature device (2) to a set temperature, and installing the trough plate (1) on the constant-temperature device (2);
B. setting the temperature of the constant temperature device (2), when the surface temperatures of the constant temperature device (2) and the groove plate (1) reach the set temperature, placing the roving in the roving placing groove (3), taking high-temperature slurry by a metering device, quickly pouring the high-temperature slurry on the roving, and pressing the roving by a pressing rod to enable the roving to be soaked by the slurry to obtain a sizing roving strip;
C. drying the sized roving on a constant temperature device (2) at a constant temperature until the sized roving is dried to obtain dried roving;
D. placing the dried roving in a constant temperature and humidity chamber for 24 hours for humidity adjustment;
E. the breaking strength of the roving was measured with a fabric strength tester.
2. A method of testing an apparatus for testing the adhesion of a textile size according to claim 1, wherein: and D, placing the prepared slurry in the step A into a constant-temperature water bath for heat preservation, wherein the temperature of the constant-temperature water bath is 95 ℃.
3. A method of testing an apparatus for testing the adhesion of a textile size according to claim 1, wherein: and step B, setting the temperature of the constant temperature device (2) to be 95 ℃, and placing the rough yarn in the rough yarn placing groove (3) when the surface temperatures of the constant temperature device (2) and the groove plate (1) reach 95 ℃.
4. A method of testing an apparatus for testing the adhesion of a textile size according to claim 1, wherein: the metering device in the step B is a syringe, and the volume of the extracted high-temperature slurry is 1 mL.
5. A method of testing an apparatus for testing the adhesion of a textile size according to claim 1, wherein: and C, the temperature of the constant temperature device (2) is constant at 95 ℃, and the sized roving strips are placed on the constant temperature device (2) to be dried for 1 hour.
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| CN201810437029.4A CN108896480B (en) | 2018-05-09 | 2018-05-09 | Device and method for testing adhesive force of textile slurry |
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| CN201810437029.4A CN108896480B (en) | 2018-05-09 | 2018-05-09 | Device and method for testing adhesive force of textile slurry |
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| CN101750278A (en) * | 2009-12-18 | 2010-06-23 | 东华大学 | Roving fixed-quantity sizing device for testing size adhesivity by using roving method |
| CN102692379A (en) * | 2012-05-25 | 2012-09-26 | 东华大学 | Roving-rotation precision quantitative size application device and method for testing size adhesive power |
| CN104655469A (en) * | 2015-03-18 | 2015-05-27 | 苏州大学 | Quantitative-grouting sample preparation device and method for testing adhesion of starch slurry |
| JP6071915B2 (en) * | 2014-01-31 | 2017-02-01 | 株式会社東芝 | Apparatus and method for measuring slurry adhesive force |
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2018
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| CN101368335A (en) * | 2008-05-10 | 2009-02-18 | 安徽工程科技学院 | Modified starch slurry used for heat-sensitive chaine low temperature starching and preparation method thereof |
| CN101750278A (en) * | 2009-12-18 | 2010-06-23 | 东华大学 | Roving fixed-quantity sizing device for testing size adhesivity by using roving method |
| CN102692379A (en) * | 2012-05-25 | 2012-09-26 | 东华大学 | Roving-rotation precision quantitative size application device and method for testing size adhesive power |
| JP6071915B2 (en) * | 2014-01-31 | 2017-02-01 | 株式会社東芝 | Apparatus and method for measuring slurry adhesive force |
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Denomination of invention: A device for testing the adhesion force of textile slurry and its testing method Effective date of registration: 20230404 Granted publication date: 20210101 Pledgee: Zhejiang Lanxi Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG YUBO TEXTILE CO.,LTD. Registration number: Y2023980037278 |
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