CN103364337A - Device and method for determining surface tenacity of material - Google Patents
Device and method for determining surface tenacity of material Download PDFInfo
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- CN103364337A CN103364337A CN201210085541XA CN201210085541A CN103364337A CN 103364337 A CN103364337 A CN 103364337A CN 201210085541X A CN201210085541X A CN 201210085541XA CN 201210085541 A CN201210085541 A CN 201210085541A CN 103364337 A CN103364337 A CN 103364337A
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Abstract
The invention relates to a device and a method for determining the surface tenacity of a material. The device comprises a test environment, a first sample fixing bed, a second sample fixing bed, a temperature controller, a humidity regulator, a pressurization controller and a pressurization regulator, wherein the first sample fixing bed is arranged in the test environment and used for fixing a first test workpiece; the second sample fixing bed is arranged in the test environment, used for fixing a second test workpiece and opposite to the first sample fixing bed; the temperature controller is coupled with the test environment and is a device for controlling the temperature setting of the test environment; the humidity regulator is coupled with the test environment and is a device for controlling the humidity setting of the test environment; the pressurization controller is arranged in the test environment, and the pressure output end of the pressurization controller is coupled with the first sample fixing bed; the pressurization regulator is coupled with the pressurization controller so as to regulate the output pressure of the pressurization controller. By separating tensile forces (namely, tenacity L) of two test samples, the tenacity between two adjacent materials can be judged.
Description
Technical field
The present invention relates to measure the apparatus and method of material degree of adhesion, relate in particular to the apparatus and method of coating surface degree of adhesion.
Background technology
Contact between same or the bi-material is unavoidable, and some material require is bonded together closely, and some is bonded together and may causes unnecessary trouble on the contrary.Tend to adopt the materials such as leather, plastics, rubber to make such as the furniture in the household, electrical equipment, decoration, and the employed decorative paint of metope or furniture is easy and these objects come in contact, if stick together, when mobile these objects, tend to the generation of filming is destroyed, that have even can become piece to uncover to come off, affect attractive in appearance and result of use.And this adhesion phenomenon often can be in the situation that varying environment humidity, temperature and negative pressure show different adhesion degree.For long-term place temperature, humidity is higher and negative pressure is larger environment, the goods such as leather, plastics, rubber and paint film more easily produce adhesion phenomenon.Contact the load pressure that is subject to these materials when filming larger, and ambient temperature and humidity is when larger, adhesion phenomenon is also more serious.
After only knowing about the height of an anti-stick even degree of coating products, could be when formula Design, the optimization by raw-material selection prescription reduces and even avoids the generation of adhesion phenomenon.Therefore the apparatus and method of measuring the material surface degree of adhesion are an important housing of this area.
Summary of the invention
The object of the present invention is to provide a kind of apparatus and method of measuring the material surface degree of adhesion, so that the degree of adhesion that measuring and calculating same or bi-material are in contact with one another, and finally pass judgment on degree of adhesion to the influence degree of material production.
The device of mensuration material surface degree of adhesion of the present invention is characterized in, comprises test environment; The first sample fixed station is arranged in the test environment, is used for fixing test the first workpiece; The second sample fixed station is arranged in the test environment, is used for the fixing test second workpiece, is oppositely arranged with the first sample fixed station.Temperature controller with the coupling of this test environment, is the setup control device of the temperature of this test environment; Humidistat with the coupling of this test environment, is the setup control device of the humidity of this test environment; Loading controls is arranged in the test environment, and its pressure output end couples the first sample fixed station; And add voltage regulator, and loading controls couples so that regulate the output pressure of this loading controls.
The device of described mensuration material surface degree of adhesion, its further characteristics be, also comprises pressurization, bonding dynamometry inductor, is arranged on the power bang path of described loading controls; Temperature, humidity sensor are arranged in the test environment; Display couples described pressurization, bonding dynamometry inductor and temperature, humidity sensor; And timer.
The device of described mensuration material surface degree of adhesion, its further characteristics are that described test environment is airtight casing.
The device of described mensuration material surface degree of adhesion, its further characteristics are that the extruding controller is jacking gear.
The method of mensuration material surface degree of adhesion of the present invention is utilized aforesaid device, comprises steps A, according to the requirement of test, prepares the test sample of certain size; B with the vis-a-vis of two test sample, is separately fixed on the first sample fixed station and the second sample fixed station; C starts temperature, humidistat, with default temperature, humidity value; D, the output pressure value of default loading controls starts the pressurized control apparatus so that two test sample front contacts, and obtains the contact of two test sample; And E, maximum pull when separating by adding default loading controls two test sample of voltage regulator is finished regulation after duration of contact, can utilize loading controls to separate two test sample, obtain the pulling force of required reality, thereby can carry out the judgement of material surface degree of adhesion.
The method of described mensuration material surface degree of adhesion, its further characteristics are also to comprise step B ' between steps A and step B, for at least one test sample, first the specimen plate is carried out pre-service, guarantee the surface firmly, cleaning, drying, the defects liability period according to test material requires is attached to test sample respectively on the different specimen plates, be prepared maintenance, enter step B after finishing maintenance.
The method of described mensuration material surface degree of adhesion, its further characteristics are that test sample is two kinds of identical or different materials.
Be that degree of adhesion L value can be passed judgment on adhesion degree between the material by the pulling force that separates two test sample, when degree of adhesion value＞0, the time, storeroom produces adhesion; The adhesion value shows that more greatly the adhesion between the material is more serious; Adhesion contact time T and degree of adhesion are proportional, and when duration of contact, the T value increased, adhesion value L increased on year-on-year basis, also more easily produces adhesion; Contact pressure F and degree of adhesion are proportional, and when contact pressure F value value increased, adhesion value L increased on year-on-year basis, also more easily produced adhesion.The degree of adhesion value is relevant with the interbed adhesion of basic unit, is evaluation method below: when L value=0, show the bonding phenomenon occurs between bi-material; When L value＞0, during K (cohesive strength of material and basic unit)＞L, show the bonding phenomenon occurs between bi-material, but storeroom can separate, can generating material and basic unit's break-off; When L value＞0, K≤L shows the bonding phenomenon occurs between bi-material, and is bonded together between the material and cannot separates, therefore, and can generating material and basic unit's break-off.
In the coating development process, formula Design, raw-material selection and collocation, can remedy and improve the resistance to blocking of coating, aforesaid device and method makes it more evidence-based, to reducing and even avoiding coating to cause the generation of easy adhesion phenomenon because of characteristics such as self prescription, materials, quantifiable Technical Reference data are provided, realized the original intention of inventing.
Description of drawings
Fig. 1 is the schematic diagram of measuring the device of material surface degree of adhesion.
Embodiment
In aftermentioned embodiment, " material " comprises the implication of " coating " or " the employed decorative paint of metope or furniture ".
As shown in Figure 1, the device of mensuration material surface degree of adhesion comprises test environment 1, the first sample fixed station 2, the second sample fixed station 3, loading controls 4, temperature controller 5, humidity controller 6, adds voltage regulator 7, pressurization, bonding dynamometry inductor 8, temperature inductor 9, humidity sensor 10, display 11 and timer 12.
Test environment 1 is but is not limited to airtight casing.The first sample fixed station 2, the second sample fixed station 3 are arranged in the test environment 1, loading controls 4 for but be not limited to jacking gear, hydraulically powered jacking gear for example.In one embodiment of this invention, the first sample fixed station 2 is connected to the pressure output end (being in the drawings the lower end) of loading controls 4, and the pressure-acting of loading controls 4 outputs is on the first sample fixed station 2.The first sample fixed station 2 and the second sample fixed station 3 are to be oppositely arranged, and loading controls 4 drives the first sample fixed station 2 and moves, and can make the first sample fixed station 2 contact the generation contact with sample on the second sample fixed station 3.Loading controls 4 with add voltage regulator 7 and couple, add voltage regulator 7 and for example be oil pump, its configurable button is by pressing or rotational button is regulated the output pressure of loading controls 4.Pressurization, bonding dynamometry inductor 8 are arranged on the Path of Force Transfer of loading controls 4, therefore can detect the pressure of loading controls 4 outputs, comprise adding the pulling force that is pressed in the pressure on the sample and separates two samples.Temperature inductor 9 is for detection of the temperature of test environment 1, and temperature sensor 9 and display 11 couple, and humidity sensor 10 is for detection of the humidity of test environment 1, and humidity sensor 10 also couples with display 11.Temperature signal, moisture signal that temperature sensor 9, humidity sensor 10 detect show in display 11 intuitively.Same, pressurization, bonding dynamometry inductor 8 also couple with display 11, and the force signal that pressurization, bonding dynamometry inductor 8 detect shows in display 11 intuitively.Temperature controller 5 and humidity controller 6 can be selected the commercially available prod, and it is for the value that the control of temperature and humidity of test environment 1 is being preset.Timer 12 is used for the time of record test.
In one embodiment of this invention, the device of measuring the material surface degree of adhesion comprises control device, it can control according to the time signal of timer 12 time of the pressurization of the sample on 4 pairs of the first sample fixed stations 1 of loading controls, the second sample fixed station 2, the size of the power that the storing pressurized, bonding dynamometry inductor 8 that can also be used for control device detects, and the temperature that detects of temperature sensor 9, humidity sensor 10, the size of humidity.The function of control device can artificial substituting.
In an embodiment of the method for measuring the material surface degree of adhesion, with reference to Fig. 1, its step is as follows:
1, according to the requirement of test, prepare the test sample of certain size, sample can be two kinds of identical or different materials;
2, the specimen plate is carried out pre-service, guarantee the surface firmly, cleaning, drying;
3, the defects liability period that requires according to test material, the preparation maintenance;
4, after defects liability period is finished, take out test sample, vis-a-vis is separately fixed on the sample fixed station;
5, default humiture value starts temperature and humidity control device;
6, default pressure values F (contact: the power that the bi-material contact is carried), and sample T duration of contact (duration of contact: bi-material is in the time of certain contact contact need), start pressurized control device, its liftable pressurizer descends, and two samples are positive to be contacted, and display shows both contact pressure F according to the signal of the detection of storing pressurized, bonding dynamometry inductor 8;
Maximum pull K when 7, default sample separates (cohesive strength of material, when test material is two kinds of dissimilar materials, the cohesive strength of getting the minimum value material), the test beginning;
8, (duration of contact: bi-material is in the time of certain contact contact need to finish regulation T duration of contact, unit: h), the apparatus capable of fluctuating of pressurized control device rises, display shows the pulling force L (adhesion value: produce adhesion, the power that produces during separation after the bi-material contact) of required reality when sample separates.
In abovementioned steps, data definition is as follows:
L (degree of adhesion): after the bi-material contact at certain contact with produce adhesion in duration of contact, required time and the power of generation during separation;
F (contact): the power that the bi-material contact is carried, unit: Mpa
K (cohesive strength): the cohesive strength of material and basic unit, unit: Mpa;
T (duration of contact): bi-material is in the time of certain contact contact need, unit: h
In the aforementioned embodiment, the judge of degree of adhesion:
Degree of adhesion L value be pass judgment on adhesion degree between the material and with the key index of basic unit's adhesive ability;
Degree of adhesion value＞0, the time, storeroom produces adhesion;
The adhesion value shows that more greatly the adhesion between the material is more serious;
Adhesion contact time T and degree of adhesion are proportional, and when duration of contact, the T value increased, adhesion value L increased on year-on-year basis, also more easily produces adhesion;
Contact pressure F and degree of adhesion are proportional, and when contact pressure F value value increased, adhesion value L increased on year-on-year basis, also more easily produced adhesion;
The degree of adhesion value is relevant with the interbed adhesion of basic unit, is evaluation method below:
When L value=0, show the bonding phenomenon occurs between bi-material;
When L value＞0, during K＞L, show the bonding phenomenon occurs between bi-material, but storeroom can separate, can generating material and basic unit's break-off;
When L value＞0, K≤L shows the bonding phenomenon occurs between bi-material, and is bonded together between the material and cannot separates, therefore, and meeting generating material and basic unit's break-off;
In addition, the adhesion value is relevant with humiture, and can increase along with the increase of humiture, also relevant with the duration of contact of storeroom, can increase with the increase of duration of contact, therefore, in the practical application of material, therefore, in the practical application of material, need to be foundation according to humiture value, material value duration of contact of material applied environment, as setting test condition.
The inventor has also carried out measuring the test 1 of the method for material surface degree of adhesion:
1) respectively with dissimilar coating A, B, C, D, five samples of E, use the preparing device of filming to be prepared;
2) film thickness monitoring is 150 microns of wet films be advisable (generally, total wet-film thickness of 2 times latex paints of common metope brushing is greatly about about 150 microns);
3) get latex paint sample to be measured, after stirring, use 150 microns preparing devices of filming test sample plate surface blade coating one time, obvious leakage is scraped, the not first-class phenomenon of thickness if having, and blade coating again after cleaning up is as the criterion with surperficial no significant defect;
4) model for preparing carries out maintenance under defined terms, generally maintenance 7 days in 23 ± 2 ℃, 50 ± 5% environment;
5) test sample plate is fixed on the sample fixed station 2, gets synthetic overlay film leather and be fixed on the sample fixed station 1, two test surfaces are installed relatively;
6) probe temperature is set: 23 ± 2 ℃, testing humidity: 50 ± 5%; Setting T duration of contact is 24 hours; Contact 10Mpa;
7) start proving installation, one by one 5 samples are tested, record also calculates, and obtains concrete data as follows:
The actual pulling force of different materials is different, and degree of adhesion is also different: (the cohesive strength K of sample is the cohesive strength of sample coating and basic unit, is the actual measurement given data)
Test data shows:
1) the adhesion value L=0 of sample A and sample D illustrates within the test duration not stick together;
2) the adhesion value L of sample C, sample E＞0 illustrates that this sample all sticks together within the test duration;
The adhesion value L of sample B＞0, and actual pulling force L=K illustrate that this sample adhesion is serious within the test duration, and test material and basic unit's break-off have occured;
The inventor has also carried out measuring the test 2 of the method for material surface degree of adhesion:
According to the test result of test 1, continue A, C, D, four samples of E are tested:
Sample preparation and method of testing and require are the samely just constantly adjusted contact, obtain concrete data as follows:
Test data shows:
1) sample A is when contact rises to 30Mpa, and adhesion has occured in L＞0;
2) although the adhesion value L of sample C＞0, numerical value is also relatively stable＜K, although illustrate and stick together, can not produce material and basic unit's break-off;
3) the adhesion value L=0 of sample D illustrates in test and falls to see that lower this sample can not stick together;
4) sample E adhesion value L＞0, when contact rose to 40Mpa, actual pulling force L=K illustrated that this sample adhesion is serious, and test material and basic unit's break-off have occured;
The inventor has also carried out measuring the test 3 of the method for material surface degree of adhesion:
According to the test result of test 2, continue A, C, three samples of D are tested:
Sample preparation and method of testing and require the samely just constantly will be adjusted duration of contact, obtain concrete data as follows:
Identical material is different duration of contact, and degree of adhesion is also different:
Test data shows:
1) sample A has produced the break-off with basic unit when rise to 96 hours duration of contact;
2) sample C has produced the break-off with basic unit when rise to 72 hours duration of contact;
3) the adhesion value L=0 of sample D illustrates in test and falls to see that lower this sample can not stick together;
Above three groups of test datas show:
1, sample A is when contact rises to 30Mpa, and adhesion has occured in L value＞0; When rising to 96 hours duration of contact, produced the break-off with basic unit;
2, sample B namely can stick together with the leather-like object contact at normal temperatures and also adhesion serious, coating is damaged, and basic unit breaks away from, and can't normally use to be badly in need of improving;
3, the L value changes little sample C in the situation that contact rises, but when rise to 72 hours duration of contact, produce the break-off with basic unit, shown in normal indoor environment and can use, but be not suitable for using the zone that contacts with leather, plastics material long-time;
4, D shows in normal indoor environment and can use safety qualified without adhesion phenomenon;
5, the break-off with basic unit has occured in sample E when contact rises to 40Mpa, is not suitable for using the zone that contacts with leather, plastics material, needs to improve.
Claims (7)
1. measure the device of material surface degree of adhesion, it is characterized in that, comprise
Test environment;
The first sample fixed station is arranged in the test environment, is used for fixing test the first workpiece;
The second sample fixed station is arranged in the test environment, is used for the fixing test second workpiece, is oppositely arranged with the first sample fixed station;
Temperature controller with the coupling of this test environment, is the setup control device of the temperature of this test environment;
Humidistat with the coupling of this test environment, is the setup control device of the humidity of this test environment;
Loading controls is arranged in the test environment, and its pressure output end couples the first sample fixed station; And
Add voltage regulator, and loading controls couples so that regulate the output pressure of this loading controls.
2. the device of mensuration material surface degree of adhesion as claimed in claim 1 is characterized in that, also comprises
Pressurization, bonding dynamometry inductor are arranged on the power bang path of described loading controls;
Temperature, humidity sensor are arranged in the test environment;
Display couples described pressurization, bonding dynamometry inductor and temperature, humidity sensor; And
Timer.
3. the device of mensuration material surface degree of adhesion as claimed in claim 1 is characterized in that, described test environment is airtight casing.
4. the device of mensuration material surface degree of adhesion as claimed in claim 1 is characterized in that, the extruding controller is jacking gear.
5. utilize device as claimed in claim 1 or 2 to measure the method for material surface degree of adhesion, it is characterized in that, comprise step
A according to the requirement of test, prepares the test sample of certain size;
B with the vis-a-vis of two test sample, is separately fixed on the first sample fixed station and the second sample fixed station;
C starts temperature, humidistat, with default temperature, humidity value;
D, the output pressure value of default loading controls starts the pressurized control apparatus so that two test sample front contacts, and obtains the contact of two test sample; And
E, maximum pull when separating by adding default loading controls two test sample of voltage regulator is finished regulation after duration of contact, can utilize loading controls to separate two test sample, obtain the pulling force of required reality, thereby can carry out the judgement of material surface degree of adhesion.
6. the method for mensuration material surface degree of adhesion as claimed in claim 5, it is characterized in that between steps A and step B, also comprising step B ', for at least one test sample, first the specimen plate is carried out pre-service, guarantee the surface firmly, cleaning, drying, the defects liability period according to test material requires is attached to test sample respectively on the different specimen plates, be prepared maintenance, enter step B after finishing maintenance.
7. the method for mensuration material surface degree of adhesion as claimed in claim 5 is characterized in that test sample is two kinds of identical or different materials.
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| CN107209104A (en) * | 2014-12-02 | 2017-09-26 | 戴纳索尔伊莱斯托米罗斯公司 | Manual control or the roller-ball devices of remote control for measuring instantaneous cohesive |
| CN109060604A (en) * | 2018-08-28 | 2018-12-21 | 四川大学 | For characterizing the tester and test method of material surface self-cleaning property |
| CN109470631A (en) * | 2017-09-08 | 2019-03-15 | 东洋橡胶工业株式会社 | The adhesive test method of rubber and the adhesive test system of rubber |
| CN111157447A (en) * | 2020-01-03 | 2020-05-15 | 云南名博包装印刷有限公司 | Device for testing heat resistance of adhesive and testing method using device |
| CN112033900A (en) * | 2020-10-12 | 2020-12-04 | 常德市芙蓉实业发展有限责任公司 | Paper adhesion testing method |
| EP4194839A4 (en) * | 2021-10-19 | 2024-02-28 | China Tobacco Yunnan Ind Co Ltd | Device for testing adhesion resistance of tipping paper for cigarettes and use method therefor |
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| EP4194839A4 (en) * | 2021-10-19 | 2024-02-28 | China Tobacco Yunnan Ind Co Ltd | Device for testing adhesion resistance of tipping paper for cigarettes and use method therefor |
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| CN103364337B (en) | 2015-12-02 |
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