CN108007857B - Method and device for combined test of weather resistance and friction resistance of two-dimensional code label - Google Patents
Method and device for combined test of weather resistance and friction resistance of two-dimensional code label Download PDFInfo
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- CN108007857B CN108007857B CN201711439453.4A CN201711439453A CN108007857B CN 108007857 B CN108007857 B CN 108007857B CN 201711439453 A CN201711439453 A CN 201711439453A CN 108007857 B CN108007857 B CN 108007857B
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- 238000012360 testing method Methods 0.000 title claims abstract description 263
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 238000005507 spraying Methods 0.000 claims abstract description 104
- 239000007921 spray Substances 0.000 claims description 23
- 239000011521 glass Substances 0.000 claims description 20
- 238000007719 peel strength test Methods 0.000 claims description 20
- 238000010998 test method Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 13
- 238000005260 corrosion Methods 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 10
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- 239000010935 stainless steel Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010963 304 stainless steel Substances 0.000 claims description 9
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 9
- 238000009529 body temperature measurement Methods 0.000 claims description 9
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- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 8
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- 238000001816 cooling Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000007639 printing Methods 0.000 claims description 6
- 230000035622 drinking Effects 0.000 claims description 5
- 239000005304 optical glass Substances 0.000 claims description 5
- 239000008399 tap water Substances 0.000 claims description 5
- 235000020679 tap water Nutrition 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 238000009864 tensile test Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010561 standard procedure Methods 0.000 abstract description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 6
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 6
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
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- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
Abstract
The content of the weather resistance and friction resistance combined test of the two-dimensional code label consists of a combination of a high-low temperature environment 90-degree peeling strength test, a water spraying test, an ultraviolet irradiation test and a surface friction resistance test of the label, and the test device consists of a combination of a high-low temperature environment 90-degree peeling strength test device, a water spraying test device, an ultraviolet irradiation test device and a surface friction resistance test device. The invention has the advantages that: the method can be used for testing the weather resistance and the abrasion resistance of the two-dimensional code label by using a system standard method, obtaining series data of related tests, and being beneficial to scientifically evaluating the service durability of the two-dimensional code label.
Description
Technical Field
The invention relates to the technical field of weather resistance tests of labels, in particular to a method and a device for a two-dimensional code label weather resistance and friction resistance combined test.
Background
Two-dimensional codes are widely used as a low-cost and high-efficiency product information recording technology, and due to different characteristics of products, the two-dimensional code information of some articles needs to be stored for a long time or longer time, and due to the fact that the storage conditions of the articles are greatly different, the durability requirement of the two-dimensional code label is provided. As the materials and the manufacturing process of the adhesive, the label paper and the two-dimensional code printer for recording information of various labels are different, the weather resistance difference is larger. At present, a method and a device special for a two-dimensional code label weather resistance and friction resistance combined test are lacked, and the implementation of the method and the device for testing and evaluating the weather resistance and the friction resistance of the two-dimensional code label has very important significance for the research, the design and the development and the application of the two-dimensional code label.
Disclosure of Invention
The invention aims to solve the problem that the weather resistance and the abrasion resistance of a two-dimensional code label are not tested and evaluated in the prior art, and provides a method and a device for a combined test of the weather resistance and the abrasion resistance of the two-dimensional code label, which are used for performing relevant test tests and evaluation on the two-dimensional code label.
The technical scheme of the invention is as follows:
the method for the combined test of the weather resistance and the friction resistance of the two-dimensional code label comprises the combination of a 90-degree peel strength test, a water spraying test, an ultraviolet irradiation test and a surface friction resistance test of the two-dimensional code label in a high-low temperature environment. The method comprises the following specific steps:
1, a 90-degree peel strength test of a two-dimensional code label in a high-low temperature environment;
the test temperature range is-20-60 ℃. One end of strip-shaped label paper with the width of 20 mm and the length of more than 500 mm, which is homogeneous with a two-dimension code label, is stuck on a target sticking object sample block, the target sticking object sample block stuck with the label paper is fixed in a constant temperature box of a sample loading table of a 90-degree peeling strength tester, the other end of the strip-shaped label paper extends out of the upper part of the constant temperature box and is clamped into a sample clamp of the 90-degree peeling strength tester as a traction end, the 90-degree peeling strength tester is adjusted to reach a stretching test standby state, the temperature range of the constant temperature box on the sample table is set to be minus 20 ℃ to 60 ℃, after the temperature in the constant temperature box reaches a set test temperature, the 90-degree peeling strength tester is started to start testing, the adhesive surface of the label paper is separated from the target sticking object sample block, and peeling traction force (unit: newton) obtained by the testing is recorded and divided by the width (unit: newton) of the label paper tape, so that the peeling strength value (unit: newton/millimeter) of the label paper tape in the width direction is obtained.
2, water spraying test;
the water spraying temperature conditions for the test were 25.+ -. 1 ℃. The two-dimensional code label is adhered to a sample block of a target adhesion object, then the sample block is horizontally placed in a water spraying test box, a water spraying test is carried out at a position 250-750 mm away from the upper surface of the two-dimensional code label by using a water spraying nozzle, water is drinking tap water at the test place, PH=7-8, spraying flow is 0.62-9.3 liters/min, pressure is 1-3 bar, the water spraying time range is 4-24 hours, the label cannot be submerged by the water level in the box in the test process, and after the test time is reached, deformation and structural change of two-dimensional code label paper, failure state of two-dimensional code label adhesion, corrosion conditions of two-dimensional code symbols and other printing symbols are observed and recorded.
3, ultraviolet irradiation test;
the irradiation temperature conditions for the test are 25-45 ℃. The method comprises the steps of sticking a test two-dimensional code label on a target sticking object sample block, horizontally placing the test two-dimensional code label in an irradiation test box, placing an ultraviolet light source at a position 250-500 mm away from the upper surface of the two-dimensional code label, wherein the wavelength range of the light source is 320-400 nanometers, the peak wavelength is 365 nanometers, the radiation intensity range of ultraviolet light is 3-65 milliwatts per square centimeter, the irradiation time is 24-150 hours, and checking the bonding intensity of the two-dimensional code label and the clear state of a printed character set of the two-dimensional code after the irradiation time is reached.
The test method of the bonding strength of the two-dimensional code label after the ultraviolet irradiation test is the same as the test method of the 90-degree peel strength in the high-low temperature environment in the step 1, and the test temperature condition is 25+/-1 ℃. The clear state of the printed characters of the two-dimensional code label is evaluated by a method combining observation comparison with the two-dimensional code label which is not subjected to irradiation test and identification reading with a two-dimensional code scanner.
4, surface friction resistance test;
the 60# page-shaped waterproof abrasive paper is tiled and fixed on a flat horizontal workbench, abrasive surfaces face upwards, printed complete two-dimensional code labels are flatly pasted on planar glass with the area not smaller than that of the two-dimensional code labels, the two-dimensional code labels pasted on the glass face downwards and are in contact with the waterproof abrasive paper abrasive surfaces tiled and fixed on the workbench, balance weights are placed on the back surfaces of the glass with the labels pasted for ballasting, the loaded glass with the two-dimensional code labels is moved back and forth at a constant speed by horizontal force on the waterproof abrasive paper, the movement speed is 3 cm/s, the one-way stroke is 150 mm, the two-dimensional code scanning reader is used for reading information recorded by the two-dimensional code repeatedly, the number of times of the reciprocating friction is recorded until the two-dimensional code information cannot be read, and the number of times of the reciprocating friction is used as a calibration value of the friction resistance of the two-dimensional code.
The ballast mass per unit area on the label, including the glass mass of the label, was 50 grams per square centimeter.
The invention provides a two-dimensional code label weather resistance and friction resistance combined test device which comprises a high-low temperature environment 90-degree peel strength test device, a water spraying test device, an ultraviolet irradiation test device and a surface friction resistance test device.
The 90-degree peel strength test device in the high-low temperature environment comprises: the device comprises a universal type 90-degree peel strength test and a constant temperature box which can be fixedly arranged on a sample workbench of a testing machine, wherein the bottom and the side surface of the constant temperature box are made of heat insulation materials, the upper part of the constant temperature box is opened and covers a movable heat insulation box cover, a target pasting object sample block for fixing test label paper is arranged at the bottom in the constant temperature box, a constant temperature box temperature detection control sensor is arranged in the constant temperature box, a high-low temperature circulating air flow inlet or outlet is respectively formed in the opposite side surface of the constant temperature box, and a through hole for connecting with a lower jaw of the 90-degree peel strength testing machine is formed in the heat insulation box cover;
the temperature measuring and displaying device and the temperature adjusting device are arranged in the incubator, the length of the incubator is 150-250 mm, the width of the incubator is 75-150 mm, the height of the incubator is 100-150 mm, and the temperature range which can be adjusted in the incubator is-20-60 ℃.
The water spraying test device comprises: the device comprises a water spraying test box, wherein a target pasting object sample block for fixing test label paper is arranged at the bottom in the water spraying test box through a water spraying support, a water spraying box temperature detection control sensor is arranged in the water spraying test box, a water spraying nozzle is arranged at the top of the water spraying test box, and the water spraying nozzle is communicated with a water spraying circulating water pump arranged at the bottom of the water spraying test box through a water spraying circulating pipeline;
the internal length of the water spraying test box is 250-1000 mm, the width is 250-1000 mm, the height is 500-1000 mm, the box body is made of stainless steel or other corrosion resistant materials, the water spraying test box has the functions of water temperature measurement and display and temperature regulation, and the temperature regulation range is 25+/-1 ℃. The diameter of the spray hole of the spray nozzle arranged at the top of the spray test box is 0.79-3.6 mm, the spray angle is 53-72 degrees, and the nozzle is made of copper, copper-base alloy, 304 stainless steel or other corrosion-resistant materials.
The ultraviolet irradiation test device comprises: the device comprises an irradiation test box, wherein a target pasting object sample block for fixing test label paper and an ultraviolet radiometer measuring sensor are arranged at the bottom in the irradiation test box through an irradiation test sample block bracket, an ultraviolet irradiation test temperature detection control sensor is arranged in the irradiation test box, an ultraviolet irradiation test cooling air flow inlet or outlet is respectively formed in the opposite side surfaces of the irradiation test box, and an ultraviolet light source is arranged at the top of the irradiation test box;
the irradiation test box is characterized in that the inner length of the irradiation test box is 250-1000 mm, the width of the irradiation test box is 250-1000 mm, the height of the irradiation test box is 500-1000 mm, the box body is made of stainless steel, the power of an ultraviolet light source, namely the ultraviolet light source, is 40-500W, the main peak wavelength of ultraviolet light is 365 nm, the ultraviolet light source is arranged at the top of the test box, the irradiation direction is downward, the irradiation test box is provided with a temperature measurement display and cooling device, and the temperature range is 25-45 ℃.
The surface friction resistance test device comprises: the test device comprises a label friction-resistant test support and a workbench, wherein page-shaped waterproof abrasive paper is fixed on the support and the workbench, a plane glass sheet adhered with a test label is placed on the page-shaped waterproof abrasive paper, and a counterweight weight is placed on the plane glass sheet;
the length of the table top of the page-shaped waterproof abrasive paper loading workbench is 28-50 cm, the width of the table top is 23-40 cm, the flatness of the table top is 80 microns, the platform is made of toughened glass, stainless steel, aluminum alloy or steel plate, and the thickness of the platform is not less than 5 mm. A304 stainless steel pressing strip with the length of 280 mm, the width of 20 mm and the thickness of 8-10 mm is additionally arranged on two sides of the upper surface of the platform in the width direction, and the pressing strip is fixed with the platform by a C-shaped clip. The thickness of the planar glass sheet is 3 mm, and the length and width direction dimensions of the planar glass sheet are 2 mm larger than those of the label according to the length and width of the label.
The invention has the advantages that:
the method can be used for testing the weather resistance and the abrasion resistance of the two-dimensional code label by using a system standard method, obtaining series data of related tests, and being beneficial to scientifically evaluating the service durability of the two-dimensional code label.
Drawings
FIG. 1 is a schematic diagram of a 90-degree peel strength test apparatus in a high and low temperature environment.
FIG. 2 is a schematic diagram of a water spray test apparatus.
FIG. 3 is a schematic view of an ultraviolet irradiation test apparatus.
FIG. 4 is a schematic view of an abrasion resistance test apparatus.
In fig. 1: 1. the device comprises a high-low temperature circulating air flow outlet of the incubator, a target pasting object sample block, test label paper, a temperature detection control sensor of the incubator, a lower jaw of a 6.90-degree peel strength tester, an upper heat insulation cover of the incubator, a high-low temperature circulating air flow inlet of the incubator, and a workbench of the 9.90-degree peel strength tester, wherein the temperature detection control sensor is arranged on the lower jaw of the incubator; 10. the water spraying test device comprises a water spraying test box, a water spraying support, a water spraying test target pasting object sample block, a water spraying test label, a water spraying box temperature detection control sensor, a water spraying nozzle, a water spraying circulating water pipeline and a water spraying circulating water pump, wherein the water spraying test box is 11; 18. the ultraviolet irradiation test box, 19, an ultraviolet irradiation sample block bracket, 20, a label target pasting object sample block, 21, an ultraviolet irradiation test box cooling air flow outlet, 22, an ultraviolet irradiation test label, 23, an ultraviolet irradiation test temperature detection control sensor, 24, an ultraviolet light source, 25, an ultraviolet irradiation test cooling air flow inlet, 26, an ultraviolet irradiation meter measuring sensor; 27. the test device comprises a label friction-resistant test support and a workbench, wherein the label friction-resistant test support comprises a sheet-shaped waterproof abrasive paper, a stainless steel pressing bar, a counterweight, an optical glass sheet, a friction test label and a 33. C-shaped clip.
Detailed Description
Example 1:
the two-dimensional code label weather resistance and friction resistance combined test device provided by the invention as shown in figures 1 to 4 comprises a high-low temperature environment 90-degree peel strength test device, a water spraying test device, an ultraviolet irradiation test device and a surface friction resistance test device which are combined.
The high-low temperature environment 90-degree peel strength test device (see fig. 1): the device comprises a universal type constant temperature box 2 which is used for a 90-degree peeling strength test and can be fixedly arranged on a sample workbench of a testing machine, wherein the bottom and the side surface of the constant temperature box are made of heat insulation materials, the upper part of the constant temperature box is opened and covers a movable heat insulation box cover 7, a target pasting object sample block 3 for fixing test label paper 4 is arranged at the bottom in the constant temperature box, a constant temperature box temperature detection control sensor 5 is arranged in the constant temperature box, a high-low temperature circulating air flow inlet 8 or a high-low temperature circulating air flow outlet 1 are respectively formed on the opposite side surface of the constant temperature box, and a through hole for connecting with a lower jaw 6 of the 90-degree peeling strength testing machine is formed on the heat insulation box cover;
the length of the incubator is 200 mm, the width is 100 mm, the height is 150 mm, and the adjustable temperature range in the incubator is-20-60 ℃.
The water spray test device (see fig. 2): the water spraying test device comprises a water spraying test box 10, wherein a water spraying test target pasting object sample block 12 for fixing a water spraying test tag 13 is arranged at the bottom in the water spraying test box through a water spraying support 11, a water spraying box temperature detection control sensor 14 is arranged in the water spraying test box 10, a water spraying nozzle 15 is arranged at the top of the water spraying test box 10, and the water spraying nozzle 15 is communicated with a water spraying circulating water pump 17 arranged at the bottom of the water spraying test box 10 through a water spraying circulating pipeline 16;
the inner length of the water spraying test box is 400 mm, the width is 250 mm, the height is 500 mm, the box body is made of 304 stainless steel materials, and the temperature adjustment range is 25+/-1 ℃. The diameter of the spray hole of the water spray nozzle 15 is 1.2 mm, the spray angle is 65 degrees, and the nozzle is made of copper, copper-base alloy, 304 stainless steel or other corrosion-resistant materials.
The ultraviolet irradiation test device (see fig. 3): the ultraviolet radiation test device comprises an irradiation test box 18, wherein a target pasting object sample block 20 for fixing an ultraviolet radiation test label 22 and an ultraviolet radiation meter measuring sensor 26 are arranged at the bottom in the irradiation test box 18 through an irradiation sample block bracket 19, an ultraviolet radiation test temperature detection control sensor 23 is arranged in the irradiation test box 18, an ultraviolet radiation test cooling air flow inlet 25 or an ultraviolet radiation test cooling air flow outlet 21 are respectively formed in opposite side surfaces of the irradiation test box 18, and an ultraviolet light source 24 is arranged at the top of the irradiation test box 18;
the irradiation test box is 400 mm in inner length, 250 mm in width and 500 mm in height, the box body is made of stainless steel, the power of the ultraviolet light source 24 is 500 watts, the main peak wavelength of ultraviolet light is 365 nanometers, the ultraviolet light source 24 is arranged at the top of the test box 18, the irradiation direction is downward, and the temperature range is 30+/-5 ℃.
The surface friction resistance test device (see fig. 4): the device comprises a label friction-resistant test support and a workbench 27, wherein a page-shaped waterproof abrasive paper 28 is fixed on the support and the workbench 27, a label sticking optical glass sheet 31 stuck with a friction test label 32 is placed on the page-shaped waterproof abrasive paper 28, and a counterweight 30 is placed on the label sticking optical glass sheet 31;
the label friction-resistant test support and the table top of the workbench 27 are 280 mm in length, 230 mm in width and 80 microns in table top flatness, and are made of toughened glass and 5 mm in thickness. A 304 stainless steel pressing bar 29 with a length of 280 mm, a width of 20 mm and a thickness of 8 mm is arranged on two sides of the label friction-resistant test support and the upper surface of the workbench 27 in the width direction, and the pressing bar is fixed by a C-shaped clamp 33. The thickness of the label-attached optical glass sheet 31 was 3 mm, and the length and width dimensions were each 2 mm larger according to the length and width of the friction test label 32.
Example 2:
the two-dimensional code label weather resistance and friction resistance combined test method is formed by combining a 90-degree peel strength test, a water spraying test, an ultraviolet irradiation test and a surface friction resistance test of a high-low temperature environment of the two-dimensional code label. The method comprises the following specific steps:
1. a 90-degree peel strength test method in normal temperature environment;
the method comprises the following steps: the test temperature conditions range from 25.+ -. 1 ℃. One end of strip-shaped label paper with the width of 20 mm and the length of 500 mm, which is homogeneous with a two-dimension code label, is stuck on an ABS (acrylonitrile-butadiene-styrene) strip-shaped sample block, the sample block stuck with the label paper is fixed in a constant temperature box of a sample loading table of a 90-degree peeling strength tester, the other end of the adhesive tape extends out of the upper part of the constant temperature box and is clamped into a sample clamp of the 90-degree peeling strength tester as a traction end, the 90-degree peeling strength tester is adjusted to reach a stretching test standby state, the temperature of the constant temperature box on the sample table is set to be minus 25+/-1 ℃, after the temperature in the constant temperature box reaches a set test temperature, the 90-degree peeling strength tester is started to start testing, the adhesive surface of the label paper is separated from the stuck sample block, the peeling traction force obtained by the test is recorded, and the traction force (in newtons) is divided by the width (in millimeters) of the label paper tape, and the traction force per millimeter width in the width direction of the label paper tape is the peeling strength value (in newtons/millimeters) of the label paper.
2. A water spraying test method;
the method comprises the following steps: the water spraying temperature conditions for the test were 25.+ -. 1 ℃. The two-dimensional code label is adhered to an ABS (acrylonitrile-butadiene-styrene) strip sample block, then the two-dimensional code label is horizontally placed in a water spraying test box, a water spraying nozzle is used for water spraying test at a position 500 mm above the upper surface of the label, water is used as drinking tap water, PH=7-8, spraying flow is 1.9 liters/min, pressure is 2 bar, water spraying time is 8 hours, the label cannot be submerged by the water level in the box in the test process, and after the test time is reached, deformation and structural change of label paper, failure state of label adhesion, and corrosion conditions of two-dimensional code symbols and other printing symbols are observed and recorded.
3. Ultraviolet irradiation test method
The method comprises the following steps: the irradiation temperature conditions for the test were 25.+ -. 1 ℃. Sticking a test two-dimensional code label on an ABS (acrylonitrile butadiene styrene) strip sample block, horizontally placing in an irradiation test box, and keeping a distance from the upper surface of the labelAn ultraviolet light source is arranged at the position 400 mm above the light source, the wavelength range of the light source is 320-400 nanometers, the peak wavelength is 365 nanometers, and the radiation intensity of ultraviolet rays is 15+/-0.5 milliwatts/cm 2 And (3) irradiating for 72 hours, and checking the bonding strength of the label and the clear state of the printed character set of the two-dimensional code after the irradiation time is reached. Test method of adhesive strength after irradiation the test temperature conditions of 25.+ -. 1 ℃ were used for the test method of 90 degree peel strength in normal temperature environment described in this example. The clear state of the printed characters is evaluated by a method of combining observation and comparison with a label which is not irradiated by irradiation and identification and reading by a two-dimensional code scanner.
4. A method of friction resistance testing;
the method comprises the following steps: the 60# page-shaped waterproof abrasive paper is tiled and fixed on a flat horizontal workbench, abrasive surfaces face upwards, printed complete two-dimensional code labels are flatly pasted on a planar glass sheet with the area not smaller than that of the two-dimensional code labels, the printed surfaces face downwards to be in contact with the abrasive surfaces of the waterproof abrasive paper tiled and fixed on the workbench, balance weights are placed on the back surfaces of the glass sheets of the pasted labels to ballast, the loaded labels are moved back and forth on the abrasive paper at a constant speed by using horizontal force, the moving speed is 3 cm/s, the one-way stroke is 150 mm, and the two-dimensional code scanning reader is used for reading information recorded by the two-dimensional code repeatedly and repeatedly carrying out reciprocating friction until the information of the two-dimensional code cannot be read, and the number of times of reciprocating friction is recorded to be used as a calibration value of the friction resistance of the two-dimensional code. The ballast mass per unit area on the label, including the glass mass of the label, was 50 grams per square centimeter.
Example 3:
the content of the two-dimensional code label weather resistance and friction resistance combination test method comprises a 90-degree peel strength test, a water spraying test, an ultraviolet irradiation test and a surface friction resistance test of the label.
1. 90-degree peel strength test method in low-temperature environment
The method comprises the following steps: the test temperature range was-20.+ -. 1 ℃. One end of strip-shaped label paper with the width of 20 mm and the length of 500 mm, which is homogeneous with a two-dimension code label, is stuck to a steel plate strip-shaped sample block sprayed with acrylic resin paint, the sample block stuck with the label paper is fixed in a constant temperature box of a sample loading table of a 90-degree peel strength testing machine, the other end of the adhesive tape extends out of the upper part of the constant temperature box and is clamped into a sample clamp of the 90-degree peel strength testing machine as a traction end, the 90-degree peel strength testing machine is adjusted to reach a tensile test standby state, the temperature of the constant temperature box on the sample table is set to be minus 20+/-1 ℃, after the temperature in the constant temperature box reaches a set test temperature, the 90-degree peel strength testing machine is started to start testing, the adhesive surface of the label paper is separated from the stuck sample block, and the peeling traction force obtained by the test is recorded, and the traction force (in newtons) is divided by the width (in millimeters) of the label paper tape, and the traction force per width in the width direction of the label tape is the peel strength value (in newtons/millimeters) of the label paper.
The test device structure comprises: the device consists of a universal type constant temperature box which is used for testing 90-degree peel strength and can be fixedly arranged on a sample workbench of a testing machine, wherein the bottom and the side surfaces of the constant temperature box are provided with heat insulation materials, the upper part of the constant temperature box is provided with an opening, a movable heat insulation material box cover is covered, the length of the constant temperature box is 200 mm, the width of the constant temperature box is 100 mm, the height of the constant temperature box is 150 mm, and a temperature measurement display device and a temperature adjusting device are arranged in the box.
2. Water spraying test method
The method comprises the following steps: the water spraying temperature conditions for the test were 25.+ -. 1 ℃. The two-dimensional code label is adhered to a steel plate strip-shaped sample block sprayed with acrylic resin paint, then the steel plate strip-shaped sample block is horizontally placed in a water spraying test box, a water spraying test is carried out at a position 500 mm away from the upper surface of the label by using a water spraying nozzle, water is drinking tap water, PH=7-8, spraying flow is 1.2 liters/min, pressure is 2 bar, water spraying time is 8 hours, the label cannot be submerged by the water level in the box in the test process, and after the test time is reached, deformation and structural change of label paper, failure state of label adhesion, corrosion conditions of two-dimensional code symbols and other printing symbols are observed and recorded.
The device structure is as follows: the water spraying test box has the internal length of 400 mm, the internal width of 250 mm and the internal height of 500 mm, the box body is made of transparent glass, and has the functions of water temperature measurement display and temperature regulation, and the water temperature in the box is 25+/-1 ℃. The top of the water spraying tank is provided with a spray head, the diameter of a spray hole of the spray head is 1.2+/-0.1 mm, the spray angle is 50+/-1 degrees, and the manufacturing material of the spray nozzle is 304 stainless steel.
3. Ultraviolet irradiation test method
As in example 2.
4. Friction resistance test method
As in example 2.
Example 4:
the two-dimensional code label weather resistance and friction resistance combined test method is composed of a 90-degree peel strength test, a water spraying test, an ultraviolet irradiation test and a surface friction resistance test of the label.
1. 90-degree peel strength test method in high-temperature environment
The method comprises the following steps: the test temperature range was 60.+ -. 1 ℃. One end of strip-shaped label paper with the width of 20 mm and the length of 500 mm, which is homogeneous with a two-dimension code label, is stuck on a strip-shaped sample block of an epoxy resin plastic spraying steel plate, the sample block stuck with the label paper is fixed in a constant temperature box of a sample loading table of a 90-degree peeling strength tester, the other end of the adhesive tape extends out of the upper part of the constant temperature box and is clamped into a sample clamp of the 90-degree peeling strength tester as a traction end, the 90-degree peeling strength tester is adjusted to reach a stretching test standby state, the temperature of the constant temperature box on the sample table is set to be 60+/-1 ℃, after the temperature in the constant temperature box reaches a set test temperature, the 90-degree peeling strength tester is started to start testing, the adhesive surface of the label paper is separated from the stuck sample block, and the peeling traction force obtained by the test is recorded, and the traction force (in newton) is divided by the width (in millimeter) of the label paper tape, so that the traction force per millimeter width of the label paper tape is the peeling strength value (in newton/millimeter) of the label paper.
The test device structure comprises: the device consists of a universal type constant temperature box which is used for testing 90-degree peel strength and can be fixedly arranged on a sample workbench of a testing machine, wherein the bottom and the side surfaces of the constant temperature box are provided with heat insulation materials, the upper part of the constant temperature box is provided with an opening, a movable heat insulation material box cover is covered, the length of the constant temperature box is 200 mm, the width of the constant temperature box is 100 mm, the height of the constant temperature box is 150 mm, and a temperature measurement display device and a temperature adjusting device are arranged in the box.
2. Water spraying test method
The method comprises the following steps: the water spraying temperature conditions for the test were 25.+ -. 1 ℃. The two-dimensional code label is adhered to a strip-shaped sample block of an epoxy resin plastic spraying steel plate, then the two-dimensional code label is horizontally placed in a water spraying test box, a water spraying nozzle is used for spraying water at a position 500 mm above the upper surface of the label, water is drinking tap water, PH=7-8, spraying flow is 2.1 liters/min, pressure level is 1.5 bar, water spraying time is 4 hours, the label cannot be submerged by the water level in the box in the test process, and after the test time is reached, deformation and structural change of label paper, failure state of label adhesion, corrosion conditions of two-dimensional code symbols and other printing symbols are observed and recorded.
The device structure is as follows: the water spraying test box has the internal length of 400 mm, the width of 250 mm and the height of 500 mm, the box body is made of 304 stainless steel, the water temperature measuring and displaying and temperature adjusting functions are realized, and the water temperature in the box is 25+/-1 ℃. The top of the water spraying tank is provided with a spray head, the diameter of a spray hole of the spray head is 2.0+/-0.1 mm, the spray angle is 65+/-1 degrees, and the manufacturing material of the spray nozzle is 304 stainless steel.
3. Ultraviolet irradiation test method
The method comprises the following steps: the test two-dimensional code label is stuck on a strip-shaped sample block of an epoxy resin plastic-sprayed steel plate, then the test two-dimensional code label is horizontally placed in an irradiation test box, an ultraviolet light source is placed at a position 400 mm above the upper surface of the label, the wavelength range of the light source is 320-400 nanometers, the peak wavelength is 365 nanometers, and the radiation intensity of ultraviolet rays is 15+/-0.5 milliwatts/cm 2 And (5) irradiating for 48 hours, and checking the bonding strength of the label and the clear state of the printed character set of the two-dimensional code after the irradiation time is reached. Test method of adhesive strength after irradiation the test temperature condition of 35.+ -. 1 ℃ was used for the test method of 90 degree peel strength in normal temperature environment described in this example. The clear state of the printed characters is evaluated by a method of combining observation and comparison with a label which is not irradiated by irradiation and identification and reading by a two-dimensional code scanner.
Device structure: the irradiation test box has the internal length of 400 mm, the width of 250 mm and the height of 500 mm, the box body is made of stainless steel, the rated power of the ultraviolet light source is 500W and is adjustable, the main peak wavelength of ultraviolet light is 365 nm, the ultraviolet light source is arranged at the top of the test box, the irradiation direction is downward, the irradiation test has the functions of temperature measurement display and adjustment, and the temperature range is 35+/-1 ℃.
4. Friction resistance test method
As in example 2.
Claims (6)
1. A two-dimensional code label weatherability and antifriction combination test method is characterized in that: the test method comprises a 90-degree peel strength test, a water spraying test, an ultraviolet irradiation test and a surface friction resistance test of the two-dimensional code label in a high-low temperature environment, and specifically comprises the following steps:
1, a 90-degree peel strength test of a two-dimensional code label in a high-low temperature environment;
the test temperature is in the range of-20 ℃ to 60 ℃, and the steps are as follows: one end of strip-shaped label paper with the width of 20 mm and the length of 500 mm, which is homogeneous with a two-dimension code label, is stuck on a target sticking object sample block, the target sticking object sample block stuck with the label paper is fixed in a constant temperature box of a sample loading table of a 90-degree peeling strength tester, the other end of the label paper extends out of the upper part of the constant temperature box and is clamped into a sample clamp of the 90-degree peeling strength tester as a traction end, the 90-degree peeling strength tester is adjusted to reach a tensile test standby state, the temperature of the constant temperature box on the sample table is set to be a test temperature, after the temperature in the constant temperature box reaches the set test temperature, the 90-degree peeling strength tester is started to start testing, the adhesive surface of the label paper is separated from the target sticking object sample block, the peeling traction obtained by the test is recorded, and the unit-width traction force in the width direction of the label paper tape is obtained by dividing the peeling traction force of the label paper tape, namely the peeling strength value of the label paper;
2, water spraying test;
the water spraying temperature conditions for the test are 25+/-1 ℃, and the steps are as follows: the method comprises the steps of sticking a tested two-dimensional code label on a target sticking object sample block, horizontally placing the sample block in a water spraying test box, carrying out a water spraying test by using a water spraying nozzle at a position 250-750 mm away from the upper surface of the two-dimensional code label, using water as drinking tap water at the test site, wherein the spraying flow is 0.62-9.3 liters/min, the pressure is 1-3 bars, the water spraying time is 4-24 hours, the two-dimensional code label cannot be submerged by the water level in the box in the test process, and observing and recording deformation and structural change of two-dimensional code label paper, failure state of two-dimensional code label sticking, and corrosion conditions of two-dimensional code symbols and other printing symbols after the test time is reached;
3, ultraviolet irradiation test;
the irradiation test temperature condition of the test is 25-45 ℃, and the steps are as follows: the method comprises the steps of sticking a test two-dimensional code label on a target sticking object sample block, horizontally placing the test two-dimensional code label in an irradiation test box, placing an ultraviolet light source at a position 250-500 mm away from the upper surface of the two-dimensional code label, wherein the wavelength range of the light source is 320-400 nanometers, the peak wavelength is 365 nanometers, the radiation intensity of ultraviolet light is 3-65 milliwatts per square centimeter, the irradiation time is 24-150 hours, and checking the bonding intensity of the label and the clear state of a printed character set of the two-dimensional code after reaching the irradiation time;
the method for testing the bonding strength of the two-dimensional code label after the ultraviolet irradiation test is the same as the 90-degree peel strength test in the high-low temperature environment in the step 1, and the test temperature condition is 25+/-1 ℃; the clear state of the printed characters of the two-dimensional code label is evaluated by a method combining observation comparison with the two-dimensional code label which is not subjected to irradiation test and identification reading with a two-dimensional code scanner;
4, surface friction resistance test;
the 60# page-shaped waterproof abrasive paper is tiled and fixed on a flat horizontal workbench, abrasive surfaces face upwards, printed complete two-dimensional code labels are flatly pasted on planar optical glass with the area not smaller than that of the two-dimensional code labels, the two-dimensional code label printing surfaces pasted on the glass face downwards and are in contact with the waterproof abrasive paper abrasive surfaces tiled and fixed on the workbench, balance weights are placed on the back surfaces of the glass with the attached labels to ballast, the loaded glass with the two-dimensional code labels is moved back and forth at a constant speed on the waterproof abrasive paper by using horizontal force, the movement speed is 3 cm/s, the one-way stroke is 150 mm, the two-dimensional code scanning reader is used for reading information recorded by the two-dimensional code repeatedly, the number of times of the reciprocating friction is recorded until the two-dimensional code information cannot be read, and the number of times of the reciprocating friction is used as a calibration value of the friction resistance of the two-dimensional code.
2. The two-dimensional code label weather resistance and friction resistance combined test device for realizing the method of claim 1 is characterized in that: the test device is formed by combining a 90-degree peel strength test device, a water spraying test device, an ultraviolet irradiation test device and a surface friction resistance test device in a high-low temperature environment;
the high-low temperature environment 90-degree peel strength test device consists of a universal 90-degree peel strength test and an incubator which can be fixedly arranged on a sample workbench of a tester, wherein the bottom and the side surface of the incubator are made of heat insulation materials, the upper part of the incubator is opened and covers a movable incubator cover, a target pasting object sample block for fixing test label paper is arranged at the bottom in the incubator, an incubator temperature detection control sensor is arranged in the incubator, a high-low temperature circulating air flow inlet or outlet is respectively formed in the opposite side surface of the incubator, and a through hole for connecting with a lower jaw of the 90-degree peel strength tester is formed in the incubator cover;
the water spraying test device consists of a water spraying test box, wherein the bottom in the water spraying test box is provided with a target pasting object sample block for fixing test label paper through a water spraying support, a water spraying box temperature detection control sensor is arranged in the water spraying test box, a water spraying nozzle is arranged at the top of the water spraying test box, and the water spraying nozzle is communicated with a water spraying circulating water pump arranged at the bottom of the water spraying test box through a water spraying circulating pipeline;
the ultraviolet irradiation test device consists of an irradiation test box, wherein a target pasting object sample block for fixing test label paper and an ultraviolet irradiation meter measuring sensor are arranged at the bottom in the irradiation test box through an irradiation test sample block bracket, an ultraviolet irradiation test temperature detection control sensor is arranged in the irradiation test box, an ultraviolet irradiation test cooling air flow inlet or outlet is respectively formed in the opposite side surfaces of the irradiation test box, and an ultraviolet light source is arranged at the top of the irradiation test box;
the surface friction-resistant test device comprises a label friction-resistant test support and a workbench, wherein page-shaped waterproof abrasive paper is fixed on the support and the workbench, a plane glass sheet adhered with a test label is placed on the page-shaped waterproof abrasive paper, and a counterweight weight is placed on the plane glass sheet.
3. The two-dimensional code label weatherability and antifriction combination test device of claim 2, characterized in that: the length of the incubator is 150-250 mm, the width is 75-150 mm, the height is 100-150 mm, a temperature measurement display device and a temperature adjusting device are arranged in the incubator, and the temperature adjusting range in the incubator is-20-60 ℃.
4. The two-dimensional code label weatherability and antifriction combination test device of claim 2, characterized in that: the internal length of the water spraying test box is 250-1000 mm, the width is 250-1000 mm, the height is 500-1000 mm, the box body is made of stainless steel or other corrosion-resistant materials, the water spraying test box has water temperature measurement display and temperature regulation functions, and the temperature regulation range is 25+/-1 ℃; the diameter of the spray hole of the spray nozzle arranged at the top of the spray test box is 0.79-3.6 mm, the spray angle is 53-72 degrees, and the nozzle is made of copper, copper-base alloy, 304 stainless steel or other corrosion-resistant materials.
5. The two-dimensional code label weatherability and antifriction combination test device of claim 2, characterized in that: the irradiation test box has the internal length of 250-1000 mm, the width of 250-1000 mm and the height of 500-1000 mm, the box body is made of stainless steel, the power of an ultraviolet light source, namely an ultraviolet lamp, is 40-500W, the main peak wavelength of ultraviolet light is 365 nm, the ultraviolet light source is arranged at the top of the test box, the irradiation direction is downward, the irradiation test box is provided with a temperature measurement display and cooling device, and the temperature range is 25-45 ℃.
6. The two-dimensional code label weatherability and antifriction combination test device of claim 2, characterized in that: the length of the table surface of the page-shaped waterproof abrasive paper loading workbench is 28-50 cm, the width of the table surface is 23-40 cm, the flatness of the table surface is 80 microns, the platform is made of toughened glass, stainless steel, aluminum alloy or steel plate, and the thickness of the platform is not less than 5 mm; the two sides of the width direction of the upper surface of the platform are provided with 304 stainless steel pressing strips with the length of 280 mm, the width of 20 mm and the thickness of 8-10 mm, and the pressing strips are fixed with the platform by C-shaped clips; the thickness of the planar glass sheet is 3 mm, and the length and width direction dimensions of the planar glass sheet are 2 mm larger than those of the label according to the length and width of the label.
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| CN111721700B (en) * | 2020-06-22 | 2022-04-01 | 云南中烟工业有限责任公司 | Method for rapidly detecting whether cigarette tipping paper is adhered to lips |
| CN111721701B (en) * | 2020-06-22 | 2022-04-01 | 云南中烟工业有限责任公司 | Method for measuring lip adhesion force of cigarette tipping paper |
| CN112945847A (en) * | 2021-02-22 | 2021-06-11 | 济南恒瑞金试验机有限公司 | 180-degree high-low temperature peel strength testing machine for lithium battery pole piece coating and testing method |
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