CN111879701A - Side wall mounting bonding performance test method for rubber material bonding adhesive film - Google Patents
Side wall mounting bonding performance test method for rubber material bonding adhesive film Download PDFInfo
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- CN111879701A CN111879701A CN202010797883.9A CN202010797883A CN111879701A CN 111879701 A CN111879701 A CN 111879701A CN 202010797883 A CN202010797883 A CN 202010797883A CN 111879701 A CN111879701 A CN 111879701A
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Abstract
The invention discloses a side wall mounting bonding performance testing method for a rubber material bonding adhesive film, which is used for detecting the bonding performance of the adhesive film for bonding two rubber materials on the lateral direction of a vertical surface, and comprises the following steps: s1, determining the size of the square adhesive film according to the use requirement of the size of the bonding surface, and freezing the square adhesive film for 24-178h at-15 ℃ to-25 ℃ for later use; s2, fixing the two rubber materials on two vertical rectangular flat plates respectively, loading pressure on two parallel opposite surfaces of the two rectangular flat plates for a certain time, and enabling the rubber film to firmly bond the two rubber materials; s3, fixing a first rectangular flat plate of the two rectangular flat plates, loading a pulling force K on two corner parts at two ends of the second upper edge, wherein the angle between the pulling force K and the horizontal direction of the second rectangular flat plate is alpha, and testing the debonding (time) condition of the rubber material and the adhesive film under different pulling forces K after the rubber material is bonded with the adhesive film.
Description
Technical Field
The invention relates to the field of solid rocket engine bonding, in particular to a side wall mounting bonding performance testing method for a rubber material bonding adhesive film.
Background
The heat insulating layer of the rocket engine shell is made of rubber materials, the process needs to bond the rubber materials, the currently adopted bonding process is to prepare an adhesive film by using a bonding agent and bond the heat insulating layer by using the adhesive film, wherein application numbers 202010448618.X and 202010448619.4 respectively disclose preparation and use methods of an adhesive film for bonding the rubber materials.
However, due to factors such as a preparation process of the adhesive film, a formula of the adhesive and the like, the adhesive performance of the frozen adhesive film cannot be simply estimated, and can be accurately judged only by verification through experiments, the existing device can only carry out a pull bias test, and for an application scene with a large load dead weight, the load refers to an object firmly bonded with a rubber material, the two loads need to be bonded together through the rubber material, and a side wall mounting test needs to be further carried out to verify the adhesive performance of the adhesive film; moreover, due to the particularity of the usage scenario of the adhesive film, the adhesive performance of the adhesive film under different working conditions (for example, the adhesive film surface is wet and has adhesive defects) needs to be comprehensively controlled. In summary, a method suitable for the mounting test of the side wall of the adhesive film is provided to verify the adhesive performance of the adhesive film.
Disclosure of Invention
The invention provides a side wall mounting bonding performance testing method for a rubber material bonding adhesive film, which can simulate the practical application working condition of the adhesive film, verify the strain conditions of the lateral bonding of the rubber material, such as tearing, shearing and stripping, and the damage condition of slow and slow stripping under the action of the gravitational moment of the load, and is favorable for mastering the bonding performance of the adhesive film.
The invention relates to a side wall mounting bonding performance test method for a rubber material bonding adhesive film,
the side wall mounting test method is used for detecting the bonding performance of a rubber film for laterally bonding two rubber materials on a vertical surface, and comprises the following steps:
s1, determining the size of the square adhesive film according to the use requirement of the size of the bonding surface, and freezing the square adhesive film for 24-178h at-15 ℃ to-25 ℃ for later use;
s2, fixing two rubber materials on two vertical rectangular flat plates respectively, locating on two parallel opposite surfaces of the two rectangular flat plates, placing the frozen rubber film between the two rubber materials, and loading pressure on the two rectangular flat plates in the opposite horizontal direction for a certain time to enable the rubber film to firmly bond the two rubber materials;
s3, fixing a first rectangular flat plate in two rectangular flat plates, arranging a second upper edge and a second lower edge on the second rectangular flat plate, loading a pulling force K at two corner positions at two ends of the second upper edge, forming an angle alpha between the pulling force K and the angle of the second rectangular flat plate in the horizontal direction, and testing the debonding (time) condition under different pulling forces K after the rubber material is bonded with the adhesive film.
Further, in step S1, the size of the adhesive film is determined according to the ratio of the area of the bonding surface, and the size of the adhesive film is 1/15-1/25, preferably 1/20 of the area of the bonding surface.
Further, in step S1, the size of the adhesive film is 500mm × 100 mm × 500mm × 2-4mm, and the component force of the pulling force K in the vertical direction is 1/15-1/25 of the self-weight of the load.
Preferably, the component of the pulling force K in the vertical direction is 1/20 of the dead weight of the load.
Further, in step S2, the rubber material is fixed on the two parallel opposite rectangular flat plates of the two vertical rectangular flat plates respectively in the following manner: the rubber material is respectively bonded with two parallel and opposite rectangular flat plates of the two rectangular flat plates by using an adhesive, and the rubber material is fixed on the edges of the two rectangular flat plates by adopting a layering mode; the two rectangular flat plates are sized and shaped to completely cover the adhesive film.
Further, in step S2, the specific manner of loading the second rectangular flat plate with the pulling force K forming an angle α with the horizontal direction is as follows: the hanging support plate is arranged on the lower edge of the second rectangular flat plate and is perpendicular to the second rectangular flat plate, the length L of the hanging support plate and the vertical height H of the second rectangular flat plate determine the value of an angle alpha, the angle alpha is 30-45 degrees, one end of the hanging support plate is detachably connected with the lower edge of the second rectangular flat plate, a vertical load is loaded on the other end of the hanging support plate, the hanging support plate is linearly connected with two corner positions at two ends of the upper edge of the second rectangular flat plate through slings, and the pulling force K is obtained by loading the vertical load.
Further, in step S3, the loading pull force K increases with the loading duration, the loading pull force K increases in time, 2 to 4 time periods, 14 to 48 hours is one time period, and the value after 1.5 times of the dead weight reduction 1/20 of the load is reached in the last time period of loading the vertical load.
Preferably 3 periods.
Furthermore, the temperature of the test environment is 10-30 ℃ and the humidity is 30-60% in the test process.
Further, in step S3, the criterion of the debonding (time) condition: and in the last vertical load loading period, 48h of non-debonding is qualified.
Further, in step S1, after the glue film is frozen, the following steps are performed:
s11, spraying water on the two sides of the adhesive film; and then carrying out subsequent steps, and carrying out a side wall mounting test for simulating the wetting of the surface of the adhesive film.
Further, in step S1, the size of the adhesive film is reduced, and the adhesion area with the rubber material is reduced accordingly, so that a side wall mounting test simulating adhesion defects is performed.
The side wall mounting bonding performance test method of the rubber material bonding adhesive film has the following characteristics:
1. the method can simulate the practical application working condition of the adhesive film, verify the adhesive property of the load under the action of the gravity moment of the adhesive film, test experimental data are more accurate, and the method is favorable for mastering the adhesive property of the adhesive film in a frozen state;
2. the method can simulate the adhesive property of the adhesive film in a special environment, and after the surface of the adhesive film is affected with damp and when the adhesive defect occurs, the pulling force K is loaded to simulate the experimental data of the adhesive effect, thereby being beneficial to mastering the using method of the adhesive film and ensuring the adhesive quality of the adhesive film in the using process;
3. the reasonable size of the tested adhesive film is determined according to the area of the bonding surface, a testing device with a proper size is convenient to manufacture, the testing cost is saved, and the problems that the testing result cannot truly simulate the use scene when the size of the tested adhesive film is too small, and the testing cost is too large, time and labor are wasted and high are solved.
Drawings
FIG. 1 is a force analysis diagram of a method for testing adhesive properties of an adhesive film;
FIG. 2 is a perspective view of the testing device in a ready state (loading drive mount not shown);
FIG. 3 is a perspective view of the testing device at another perspective of readiness (loading drive mount not shown);
FIG. 4 is a schematic perspective view of the testing device in a loaded state;
FIG. 5 is a schematic perspective view of the adhesive film pressing assembly;
FIG. 6 is a schematic perspective view of another view of the adhesive film pressing assembly;
the device comprises a machine frame 1, a glue film fixing component 2, a glue film pressing component 3, a glue film loading testing component 4, a press plate positioning frame 5, a fixed press plate 6, a movable press plate 7, a hanging plate 8, a side pressure driving piece positioning frame 9, a side pressure driving piece 10, a first bolt 11, a first through hole 12, a first vertical plate 13, a first transverse plate 14, a side pressure telescopic rod 15, a pressing plate 16, a guide rod 17, a pressing strip 18, a loading driving piece mounting frame 19, a loading driving piece 20, a second vertical plate 21, a second transverse plate 22, a rib plate 23, a lifting ring 24, a lifting hole 25, a sling 26, a pull lock 27 and a hook 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The adhesive film comprises a framework base material and an adhesive, wherein the adhesive is soaked into the interior and the exterior of the framework base material, the adhesive comprises a polysiloxane modified epoxy resin body, a low molecular weight polyamide curing agent and hydrophilic white carbon black, and the polysiloxane modified epoxy resin body, namely a component A, the low molecular weight polyamide curing agent, namely a component B and the hydrophilic white carbon black are mixed according to the mass ratio of 100:40-55: 5-7; the preparation method of the adhesive film comprises the following steps:
mixing the adhesive, namely stirring and mixing a component A, a component B and hydrophilic white carbon black to prepare the adhesive, wherein the component A is a polysiloxane modified epoxy resin body, and the component B is a low molecular weight polyamide curing agent;
gumming, namely gumming an adhesive on the upper surface and the lower surface of the framework substrate respectively, and then wrapping the framework substrate by using release paper;
forming an adhesive film, namely placing the wrapped framework base material into a forming tool, and compressing the wrapped framework base material into a block shape through the forming tool to obtain the adhesive film;
example 1:
the invention relates to a side wall mounting bonding performance test method for a rubber material bonding adhesive film,
as shown in fig. 1, the side wall mounting test method is used for detecting the bonding performance of a glue film for laterally bonding two rubber materials on a vertical surface, and comprises the following steps:
s1, determining the size of the square adhesive film according to the use requirement of the size of the bonding surface, and freezing the square adhesive film for 24-178h at-15 ℃ to-25 ℃ for later use;
s2, fixing two rubber materials on two vertical rectangular flat plates respectively, locating on two parallel opposite surfaces of the two rectangular flat plates, placing the frozen rubber film between the two rubber materials, and loading pressure on the two rectangular flat plates in the opposite horizontal direction for a certain time to enable the rubber film to firmly bond the two rubber materials;
s3, fixing a first rectangular flat plate in two rectangular flat plates, arranging a second upper edge and a second lower edge on the second rectangular flat plate, loading a pulling force K at two corner positions at two ends of the second upper edge, forming an angle alpha between the pulling force K and the angle of the second rectangular flat plate in the horizontal direction, and testing the debonding (time) condition under different pulling forces K after the rubber material is bonded with the adhesive film.
In step S1, the size of the adhesive film is determined according to the ratio of the area of the bonding surface, which is 1/20 in this embodiment, the determined size of the adhesive film is 300mm × 300mm × 3mm, and the adhesive film is frozen at-20 ℃ for 144h (i.e., 6 days) for use.
In step S2, the rubber material is fixed to the two parallel and opposite rectangular flat plates of the two vertical rectangular flat plates in the following manner: the rubber material is respectively bonded with two parallel and opposite rectangular flat plates of the two rectangular flat plates by using an adhesive, and the rubber material is fixed on the edges of the two rectangular flat plates by adopting a layering mode; the size and the shape of the two rectangular flat plates are required to completely cover the adhesive film, and the specific mode of loading the pulling force K which forms an angle alpha with the horizontal direction on the second rectangular flat plate is as follows: the utility model discloses a test device, including first piece rectangle flat board, second piece rectangle flat board, hang the support plate below the dull and stereotyped second of second piece rectangle, hang the support plate with the dull and stereotyped numerical value of alpha angle is confirmed to the dull and stereotyped vertical height H of second piece rectangle, alpha is 30, can confirm the carry plate of suitable length, the processing preparation testing arrangement of being convenient for, the one end of hanging the support plate with the dull and stereotyped second of second piece rectangle is followed the dismantlement and is connected, the other end loading vertical load of hanging the support plate, hang the support plate with the dull and stereotyped second of second piece rectangle is followed two angle positions at both ends and is passed through hoist cable sharp connection, it obtains to the carry plate through loading vertical load to drag power K, it is 1/20 of load dead weight to drag power K at the component of vertical direction.
The testing device shown in figures 2-6 is manufactured by the method and comprises a frame, a glue film fixing component, a glue film pressing component and a glue film loading testing component,
the adhesive film fixing assembly comprises a pressing plate positioning frame, a fixed pressing plate and a movable pressing plate, wherein the fixed pressing plate and the movable pressing plate are two rectangular flat plates (the fixed pressing plate is a first rectangular flat plate, and the movable pressing plate is a second rectangular flat plate), the pressing plate positioning frame is arranged at the upper part of one end of the rack, and the fixed pressing plate is fixedly connected with the pressing plate positioning frame;
the adhesive film pressing assembly is arranged on one side of the adhesive film fixing assembly and is detachably connected with the rack;
the adhesive film loading test assembly comprises a hanging support plate, and the hanging support plate is detachably connected with the movable pressing plate.
The glued membrane compresses tightly the subassembly and includes side pressure driving piece locating rack, side pressure driving piece and a plurality of first bolt, side pressure driving piece locating rack is "L" type, the vertical section of side pressure driving piece locating rack is equipped with the first riser, the horizontal segment is equipped with first diaphragm, the side pressure driving piece is installed on the first riser, is located the top of first diaphragm, be equipped with a plurality of first through-holes on the first diaphragm, first bolt passes first through-hole and installs side pressure driving piece locating rack in the frame.
Install the pressure strip on the side pressure telescopic link of side pressure driving piece, install two parallel guide arms on the pressure strip, two guide arms are located the both sides of side pressure driving piece, two guide arms and riser sliding connection, two linear bearing of installation on the riser in this embodiment are used for the guide arm to pass sliding connection respectively, and side pressure driving piece drive guide arm horizontal motion in linear bearing.
The fixed pressing plate and the movable pressing plate are rectangular, the pressing plate further comprises a plurality of pressing strips and pressing screws (not shown in the figure), the length of each pressing strip is equal to the side length of the fixed pressing plate and the side length of the movable pressing plate, a plurality of screw through holes (not shown in the figure) are sequentially arranged on the pressing strips at intervals, the pressing screws penetrate through the screw through holes to fix the pressing strips on the side faces of the fixed pressing plate and the side faces of the movable pressing plate, and the number of the pressing screws and the number of the screw.
The adhesive film loading test assembly further comprises a loading driving piece mounting frame and a loading driving piece, the loading driving piece mounting frame is arranged on the rack, the loading driving piece is mounted on the loading driving piece mounting frame, and the loading driving piece is located above the mounting plate.
The hanging support plate is detachably connected with the movable pressing plate through a second bolt (not shown in the figure), the hanging support plate is L-shaped, a second vertical plate is arranged at the vertical section of the hanging support plate, a second transverse plate is arranged at the horizontal section of the hanging support plate, two rib plates are arranged on the side surface of the hanging support plate, a second through hole (not shown in the figure) is arranged on the second vertical plate, and the second bolt penetrates through the second through hole and is connected with a threaded hole in the movable pressing plate.
The upper portion of activity clamp plate is equipped with two rings, be equipped with two lewis holes that correspond the connection with rings on two gusset plates of hanging the support plate, rings and lewis hole pass through the hoist cable and connect, the hoist cable includes the zip, the both ends of zip are connected with the couple respectively, the zip passes through helicitic texture with the couple and is connected.
The side pressure driving piece and the loading driving piece are cylinders, and the cylinders are sequentially connected with the control valve, the air pressure meter, the regulating valve and the air storage tank through air pipes. The pressure of the cylinder is adjusted by an adjusting valve, the pressure intensity of the air pressure is adjusted within the range of 0.1-0.8MPa, wherein the pressure F of the cylinder is P multiplied by S, S is the sectional area of the cylinder diameter of the cylinder, and S is pi multiplied (D/2)2And D is the diameter of the cylinder diameter.
When the rubber film pressing device is used, two rubber materials are respectively fixed on a fixed pressing plate and a movable pressing plate, two plate surfaces of the rubber materials, which are parallel and opposite to the fixed pressing plate and the movable pressing plate, are respectively bonded by an adhesive, meanwhile, the rubber materials are respectively fixed on the edges of the fixed pressing plate and the movable pressing plate by adopting pressing strips, the number of the pressing strips on the fixed pressing plate and the movable pressing plate is three, the pressing strips and the rubber materials are positioned on the vertical two sides of the fixed pressing plate and the movable pressing plate and are fixed with the top edge through pressing screws, and the sizes and the shapes of the fixed pressing plate; the side pressure driving piece positioning frame is installed on the rack through a first bolt, the glue film is placed between the movable pressing plate and the fixed pressing plate, the control valve is opened to enable the side pressure telescopic rod of the side pressure driving piece to extend to be in contact with the movable pressing plate, and the movable pressing plate is horizontally loaded with pressure, wherein the horizontal direction loading pressure (namely the pressure F of an air cylinder) is 1000N, the loading time is 24h, the humidity is 44%, the temperature is 21 ℃, and the thickness of the loaded glue film is 2.4 mm; enabling the rubber film to firmly bond the two rubber materials, closing the control valve to enable the side pressure telescopic rod to retract, and dismantling the rubber film pressing assembly; mounting a hanging plate on a movable pressing plate, wherein the bottom of the hanging plate is in a suspended state, so that the bottom of the hanging plate is kept in a gap of more than 40mm with the top of a rack, connecting a hanging ring with a hanging hole through a sling, loading a load 3000N onto the hanging plate through a loading driving piece, and positioning the loading position of the loading driving piece between two hanging holes;
the loading pulling force K is increased along with the loading duration, the loading pulling force K is increased in time period, the time period is 3, 14h is a time period, the value obtained after the dead weight is reduced by 1/20 by 1.5 times when the vertical load is loaded in the last time period is obtained, and the criterion of the debonding (time) condition is as follows: in the last vertical load loading period, 48 hours of non-debonding is qualified, namely the loading load of the loading driving part is increased along with the loading duration, no debonding condition exists after 3000N of the loading load is loaded to the mounting plate for 14 hours, the loading load is increased to 4000N to the mounting plate for 14 hours, no debonding condition still exists, the loading load is continuously increased to 5500N to the mounting plate, no debonding condition exists for 50 hours, and the adhesive film bonding performance is qualified.
Example 2
The size of the adhesive film determined in the embodiment is 500mm × 500mm × 4mm, the adhesive film is frozen for 72 hours at the temperature of minus 15 ℃, alpha is 45 degrees, the horizontal loading pressure (namely the pressure F of an air cylinder) is 2000N, the loading time is 1 hour, the humidity is 40 percent, the temperature is 20 ℃, and the thickness of the loaded adhesive film is 3mm, so that the adhesive film can firmly bond two rubber materials;
and (3) loading a vertical load test, wherein the time interval is 2, 36h is one time interval, no debonding condition exists after loading a load of 3500N to the mounting plate for 36h, then increasing the loading load to 6500N to the mounting plate, no debonding condition exists after 48h, and the adhesive film bonding performance is qualified.
Example 3:
the size of the adhesive film determined in the embodiment is 300mm multiplied by 3mm, the adhesive film is frozen for 48 hours (namely 2 days) at the temperature of minus 20 ℃, water is sprayed on the two sides of the adhesive film, and the water spraying amount is 5 ml; and then carrying out subsequent steps, and carrying out a side wall mounting test for simulating the wetting of the surface of the adhesive film. The horizontal loading pressure (namely the pressure F of the air cylinder) is 1000N, the loading time is 48h, the humidity is 60 percent, the temperature is 10 ℃, and the thickness of the loaded adhesive film is 3mm, so that the adhesive film can firmly bond the two rubber materials;
and (3) loading a vertical load test, wherein the time interval is 2, 24h is one time interval, after loading the load 2320N to the mounting plate for 24h, the debonding condition is avoided, then the loading load is increased to 3320N to the mounting plate, after 22h, the debonding condition occurs, and the adhesive film bonding performance is unqualified.
Example 4:
in this embodiment, the size of the adhesive film is reduced, the adhesion area with the rubber material is correspondingly reduced, a sidewall mounting test for simulating the adhesion defect is performed, a sidewall mounting test for simulating the adhesion defect of the adhesion area of a 200mm × 300mm × 3mm shrinkage ratio frozen adhesive film for three days is performed, the adhesive film is frozen for 48 hours (i.e., 2 days) at-20 ℃, and a sidewall mounting test for simulating the wetting of the surface of the adhesive film is performed. The horizontal loading pressure (namely the pressure F of the air cylinder) is 1000N, the loading time is 48h, the humidity is 53 percent, the temperature is 11 ℃, and the thickness of the loaded adhesive film is 2.7mm, so that the adhesive film can firmly bond the two rubber materials;
and (3) loading a vertical load test, wherein the time interval is 2, 48h is one time interval, loading a load from 2160N to the mounting plate, and after 2 time intervals, no debonding condition exists, then increasing the loading load to 4160N to the mounting plate, and after 48h, no debonding condition exists, so that the adhesive film bonding performance is qualified.
Claims (10)
1. A side wall mounting bonding performance test method for a rubber material bonding adhesive film,
the side wall mounting bonding performance testing method for the rubber material bonding adhesive film is used for detecting the bonding performance of the adhesive film for bonding two rubber materials on the lateral side of the vertical surface, and comprises the following steps of:
s1, determining the size of the square adhesive film according to the use requirement of the size of the bonding surface, and freezing the square adhesive film for 24-178h at the temperature of-15 ℃ to-25 ℃ for later use;
s2, fixing two rubber materials on two vertical rectangular flat plates respectively, locating on two parallel opposite surfaces of the two rectangular flat plates, placing the frozen rubber film between the two rubber materials, and loading pressure on the two rectangular flat plates in the opposite horizontal direction for a certain time to enable the rubber film to firmly bond the two rubber materials;
s3, fixing a first rectangular flat plate in two rectangular flat plates, arranging a second upper edge and a second lower edge on the second rectangular flat plate, loading a pulling force K at two corner positions at two ends of the second upper edge, forming an angle alpha between the pulling force K and the angle of the second rectangular flat plate in the horizontal direction, and testing the debonding condition of the rubber material and the adhesive film under different pulling forces K after the rubber material is bonded with the adhesive film.
2. The method for testing the sidewall mounting adhesion performance of the rubber material adhesion adhesive film as claimed in claim 1, wherein in step S1, the size of the adhesive film is determined according to the ratio of the area of the adhesion surface, and the size of the adhesive film is 1/15-1/25 of the area of the adhesion surface.
3. The method as claimed in claim 1 or 2, wherein in step S1, the adhesive film has a dimension of 100-500mm x 2-4mm, and the component of the pulling force K in the vertical direction is 1/15-1/25 of the dead weight.
4. The method for testing the mounting adhesion performance of the sidewall of the rubber material adhesive film according to claim 3, wherein in the step S2, the rubber material is fixed on the two parallel rectangular flat plates of the two vertical rectangular flat plates in the following manner: the rubber material is respectively bonded with two parallel and opposite rectangular flat plates of the two rectangular flat plates by using an adhesive, and the rubber material is fixed on the edges of the two rectangular flat plates by adopting a layering mode; the two rectangular flat plates are sized and shaped to completely cover the adhesive film.
5. The method for testing the mounting adhesion performance of the sidewall of the rubber material adhesive film as claimed in claim 4, wherein in step S2, the second rectangular plate is loaded with the pulling force K forming an angle α with the horizontal direction in a specific manner: the hanging support plate is arranged on the lower edge of the second rectangular flat plate and is perpendicular to the second rectangular flat plate, the length L of the hanging support plate and the vertical height H of the second rectangular flat plate determine the value of an angle alpha, the angle alpha is 30-45 degrees, one end of the hanging support plate is detachably connected with the lower edge of the second rectangular flat plate, a vertical load is loaded on the other end of the hanging support plate, the hanging support plate is linearly connected with two corner positions at two ends of the upper edge of the second rectangular flat plate through slings, and the pulling force K is obtained by loading the vertical load.
6. The method for testing the hanging adhesion performance of the sidewall of the rubber material adhesive film as claimed in claim 5, wherein in step S3, the loading pulling force K increases with the loading time T1, the loading pulling force K increases in time, 2-4 time intervals are provided, 14-48h is a time interval, and the value after the dead weight of the load is reduced by 1/20 which is 1.5 times of the value in the last time interval of the loading vertical load.
7. The method for testing the sidewall mounting adhesion performance of the rubber material adhesive film according to claim 6, wherein: the temperature of the test environment is 10-30 ℃ and the humidity is 30-60% in the test process.
8. The method for testing the sidewall mounting adhesion performance of the rubber material adhesive film as claimed in claim 7, wherein in step S3, the criterion of the debonding condition is as follows: and in the last vertical load loading period, 48h of non-debonding is qualified.
9. The method for testing the sidewall mounting adhesion performance of the rubber material adhesive film as claimed in claim 1, wherein in step S1, after the film is frozen, the following steps are performed:
s11, spraying water on the two sides of the adhesive film; and then carrying out subsequent steps, and carrying out a side wall mounting test for simulating the wetting of the surface of the adhesive film.
10. The method as claimed in claim 1, wherein in step S1, the size of the adhesive film is reduced, and the adhesive area with the rubber material is correspondingly reduced, so as to perform a sidewall mounting test for simulating the adhesive defect.
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| US20020100334A1 (en) * | 2001-01-29 | 2002-08-01 | Goh Loh-Nah Luona | Apparatus to quantify the adhesion of film |
| CN201819868U (en) * | 2010-09-16 | 2011-05-04 | 曹通远 | Adhesive stripping force measuring system |
| CN103335943A (en) * | 2013-05-31 | 2013-10-02 | 东莞市正新包装制品有限公司 | Detection method for adhesion of gravure ink for plastic film |
| CN105378454A (en) * | 2013-07-18 | 2016-03-02 | 惠普发展公司，有限责任合伙企业 | Testing peel force of adhesive medium |
| CN105136536A (en) * | 2015-08-14 | 2015-12-09 | 江苏恒神股份有限公司 | Composite compression sample manufacturing method |
| CN105928874A (en) * | 2016-06-28 | 2016-09-07 | 山东玲珑轮胎股份有限公司 | Mutual viscidity test fixture of unvulcanized rubber |
| CN109627998A (en) * | 2017-10-05 | 2019-04-16 | 高级航空技术有限责任公司 | Glue film and arragement construction and method for verifying glue connection |
| CN210514059U (en) * | 2019-08-28 | 2020-05-12 | 江西桦安新型材料有限公司 | Adhesive film initial adhesion testing device |
| CN110763626A (en) * | 2019-10-30 | 2020-02-07 | 南京玻璃纤维研究设计院有限公司 | Method for detecting film-coating fastness of PTFE film-coated filter material and sample laminating machine |
| CN111454672A (en) * | 2020-05-25 | 2020-07-28 | 湖北航泰科技有限公司 | Adhesive film for bonding rubber material and preparation method thereof |
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