CN107576563A - Polymer material film chip test method - Google Patents
Polymer material film chip test method Download PDFInfo
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- CN107576563A CN107576563A CN201610522190.2A CN201610522190A CN107576563A CN 107576563 A CN107576563 A CN 107576563A CN 201610522190 A CN201610522190 A CN 201610522190A CN 107576563 A CN107576563 A CN 107576563A
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- Prior art keywords
- polymer material
- material film
- test method
- sample
- chip test
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- 239000002861 polymer material Substances 0.000 title claims abstract description 91
- 238000010998 test method Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000120 Artificial Saliva Substances 0.000 claims description 3
- 210000000214 mouth Anatomy 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 33
- 239000012528 membrane Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 210000003128 head Anatomy 0.000 description 4
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 3
- 101100299498 Xenopus laevis pteg gene Proteins 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The one side of the application provides a kind of polymer material film chip test method, including：On a convex globoidal and scheduled duration is kept a high polymer material diaphragm sample is tight；And extent of rebound after being released based on the high polymer material diaphragm sample or the combination of crazing quantity or both determine its performance.
Description
Technical field
Present invention relates generally to polymer material film chip test method.
Background technology
At present, for high polymer material diaphragm, for example the high polymer material diaphragm of facing is made, without ready-made suitable
The method of testing elastic recoverability and resistance to stress crack performance.
The Plastics-Oetermination of flexural properties method that national standard the GB/T9341-2000th, it is to bear against plastic sample both ends
In two fulcrums, then apply the power perpendicular to the plastic sample among plastic sample, bring it about bending, keep this curved
The plastic sample is discharged after curved state scheduled duration, the extent of rebound after being released based on the plastic sample determines its bendability
Energy.Because the high polymer material diaphragm for making facing is generally relatively thin, for example thickness is less than 2mm, if profit is entered with the aforedescribed process
Row test, after being released, the sample of different materials nearly all springs back to reset condition, can not Validity Test/differentiation material property
Energy.
Therefore, it is necessary to provide a kind of method of testing of high polymer material diaphragm.
The content of the invention
The one side of the application provides a kind of polymer material film chip test method, including：A polymer material film
Piece sample is tight on a convex globoidal and to keep scheduled duration；And after being released based on the high polymer material diaphragm sample
Extent of rebound or the combination of crazing quantity or both determine its performance.
In some embodiments, it is stretched by the tight high polymer material diaphragm sample on the convex globoidal
Scheduled volume.
In some embodiments, the scheduled volume is the elastic strain section model in the high polymer material diaphragm sample
Within enclosing.
In some embodiments, the scheduled volume is within the scope of 2%~5%.
In some embodiments, the span of the arch formed afterwards is released based on the high polymer material diaphragm sample
To weigh its extent of rebound.
In some embodiments, the height of the arch formed afterwards is released based on the high polymer material diaphragm sample
To weigh its extent of rebound.
In some embodiments, the both ends of the arch formed afterwards are released based on the high polymer material diaphragm sample
Angle weigh its extent of rebound.
In some embodiments, the high polymer material diaphragm sample is the strip with one fixed width.
In some embodiments, the thickness of the high polymer material diaphragm sample is 0.1mm~3mm.
In some embodiments, the predetermined duration is more than 24 hours.
In some embodiments, the tight high polymer material diaphragm sample on convex globoidal is to submerge in a liquid
Keep the scheduled duration.
In some embodiments, the liquid is artificial saliva.
In some embodiments, the temperature of the liquid keeps substantially constant and close to the temperature in human oral cavity.
Brief description of the drawings
The above-mentioned and other feature of the application is described further below with reference to accompanying drawing and its detailed description.It should manage
Solution, these accompanying drawings illustrate only some exemplary embodiments according to the application, therefore be not considered as to this
Apply for the limitation of protection domain.Unless otherwise indicated, accompanying drawing is not necessarily to scale, and wherein similar label represents similar
Part.
Fig. 1 is the indicative flowchart of the polymer material film chip test method in the application one embodiment；
Fig. 2 schematically illustrates the high polymer material Membrane probing device in the application one embodiment；
Fig. 2A schematically illustrates the arm-tie of the high polymer material Membrane probing device shown in Fig. 1；
Fig. 3 schematically illustrates the high polymer material diaphragm sample after tested in the application one embodiment；
Fig. 4 a are the photo of the PTEG diaphragm material samples after tested in the application one embodiment；
Fig. 4 b are the photo of the TPU membrane sheet material sample after tested in the application one embodiment.
Embodiment
It refer to form the accompanying drawing of this specification part in the following detailed description.Showing mentioned by specification and drawings
Meaning property embodiment is not intended to limit the protection domain of the application only merely for being illustrative purpose.In opening for the application
Under showing, it will be appreciated by those skilled in the art that many other embodiments can be used, and can be to described embodiment party
Formula makes various changes, without departing from the purport and protection domain of the application.It should be appreciated that the sheet for illustrating and illustrating herein
The various aspects of application can be arranged, replace, combine, separate and designed according to many different configurations, these difference configurations
All within the protection domain of the application.
It please join Fig. 1, be the schematic flow of the polymer material film chip test method 100 in the application one embodiment
Figure.
In 101, high polymer material diaphragm sample is made.
The polymer material film chip test method of the application is relatively specific for the polymer material film that thickness is 0.1~3mm
Piece.
In certain embodiments, high polymer material diaphragm can be cut into rectangular slat shape as sample, specific size
It can be determined according to test device, for example in one embodiment of the application, high polymer material diaphragm sample is that length is
120mm, width are 25mm rectangle.
In 103, clamping high polymer material diaphragm sample.
It please join Fig. 2, it schematically illustrates the high polymer material Membrane probing device in the application one embodiment
200。
High polymer material Membrane probing device 200 includes measuring head 201, and its one end is provided with test cambered surface 203.In some realities
Apply in example, the section of test cambered surface 203 can be circular arc.In some other embodiments, it can be ellipse to test the section of cambered surface 203
Circular arc.The section of test cambered surface 203 is not limited to circular arc and elliptic arc.
In certain embodiments, the shape of test cambered surface 203 can be determined according to the performance of tested high polymer material diaphragm
Shape and radius of curvature.For example less radius of curvature is more easy to make tested high polymer material diaphragm produce flexural deformation.
In certain embodiments, test cambered surface 203 can be a diameter of 48mm circular arc.
In certain embodiments, the detachable (not shown) in part of the test cambered surface 203 of measuring head 201, can basis
Real needs select different test cambered surfaces.
High polymer material Membrane probing device 200 also includes fixture 205a and 205b, respectively positioned at test cambered surface 203 rear
Both sides, for clamping high polymer material diaphragm sample.
Fixture 205a and 205b are connected to arm-tie 209 by connector 207a and 207b respectively, and arm-tie 209 can be along test arc
The raised direction in face 203, it is movable relative to test cambered surface 203.
Incorporated by reference to Fig. 2A, it schematically illustrates the arm-tie 209 in the application one embodiment.
The both ends of arm-tie 209 are respectively equipped with perforation 2091a and 2091b, are connected to arm-tie for connector 207a and 207b respectively
209 so that arm-tie 209 to test cambered surface 203 rear move when, can be driven by connector 207a and 207b fixture 205a with
205b is moved together.
Screw 2093 is provided among arm-tie 209, is coordinated with screw rod 211.One end of screw rod 211 is resisted against on measuring head 201
One end relative with test cambered surface 203.The other end of screw rod 211 is provided with handle 213, can be driven by swing handle 213
Screw rod 211.With the rotation of screw rod 211, the relative test cambered surface 203 of arm-tie 209 is movable.
Dial 2095 is provided with arm-tie 209 around screw 2093, the distance moved for indicating arm-tie 209.
In the one end relative with test cambered surface 203 of measuring head 201, extend to form flange 2011 to both sides.Flange 2011
Both sides are respectively equipped with perforation (not shown), so that connector 207a and 207b are passed through.In certain embodiments, connector 207a
It is rod member with 207b, and is fitted close with the perforation, therefore, arm-tie 209 can be transported along the track of the perforation definition
It is dynamic.
When testing high polymer material diaphragm, the both ends of high polymer material diaphragm sample 221 are first clamped in fixture respectively
On 205a and 205b, and high polymer material diaphragm sample 221 is positioned at the front of test cambered surface 203.
Being understood under the inspiration of the application, high polymer material Membrane probing device is not limited to above structure, as long as there is
Test cambered surface and can be tight in the mechanism in the test cambered surface by high-molecular diaphragm sample, it becomes possible to realize the height of the application
Molecular material Membrane probing method.
In 105, high polymer material diaphragm sample is stretched.
In certain embodiments, a certain degree of stretching can be carried out to high polymer material diaphragm sample 221, and makes its tight
Stretch tight in test cambered surface 203.
In certain embodiments, amount of tension can be determined according to the performance of tested high polymer material diaphragm, for example, it is larger
Amount of tension cause tested high polymer material diaphragm easily to produce crazing.
In certain embodiments, it to high polymer material diaphragm sample amount of tension can be at high polymer material diaphragm bullet
Property strain section within the scope of.
In certain embodiments, the amount of tension to high polymer material diaphragm sample can be 2%~5%.
In 107, high polymer material diaphragm sample is tested.
In certain embodiments, the test to high polymer material diaphragm sample can be high polymer material diaphragm sample
221 it is tight in test cambered surface 203 on keep scheduled duration.
In certain embodiments, the length of scheduled duration can be set according to the characteristic of material, such as, 1 can be used
Hour, 2 hours, 3 hours, 12 hours, 24 hours, 48 hours, 72 hours etc., it will not enumerate herein.
For the high polymer material diaphragm for making facing, it can be tested in the environment in similar oral cavity.
In certain embodiments, it is to be soaked in by the tight high polymer material diaphragm sample 221 in test cambered surface 203
Scheduled duration is kept in liquid.
In certain embodiments, high polymer material diaphragm can be soaked in water, olive oil, artificial saliva, drinks and
Among other various common liquids.
In certain embodiments, the temperature for the liquid for soaking high polymer material diaphragm sample can be maintained close to human body
At the temperature of temperature so that test environment is closer to oral environment.
In 109, high polymer material diaphragm sample is discharged.
After the completion of test, swing handle 213, it is tight in the shape in test cambered surface 203 to release high-molecular diaphragm sample 221
State, and high-molecular diaphragm sample 221 is removed from fixture 205a and 205b, it is allowed in naturally not by the state of external force.
In 111, high polymer material diaphragm sample performance is assessed.
In certain embodiments, the performance of high polymer material diaphragm sample can be investigated in terms of two.
On the one hand, it can be estimated that the elastic recovery of high polymer material diaphragm sample.It please join Fig. 3, in its natural state,
High polymer material diaphragm sample 221 after tested is domed.In certain embodiments, can be commented based on the width W of the arch
Estimate the elastic recovery of high polymer material diaphragm sample 221.In some other embodiments, can the height H based on the arch
To assess the elastic recovery of high polymer material diaphragm sample 221.In some other embodiments, can be based on the arch two
The angle [alpha] at end assesses the elastic recovery of high polymer material diaphragm sample 221.
In certain embodiments, the resilience journey of tested high polymer material diaphragm sample 221 can be measured in different time points
Degree, and its elastic recovery is assessed based on this.For example it can be released 1 hour respectively when released, it is small to be released 2
When, it is released measurement in 3 hours and is tested the extent of rebound of high polymer material diaphragm sample 221.
Another aspect, the resistance to stress crack performance of high polymer material diaphragm sample can also be assessed.In certain embodiments,
Its resistance to stress crack performance can be assessed based on caused craze density on high polymer material diaphragm sample after tested.
It please join Fig. 4 a, be the photo of a kind of PETG diaphragm materials sample after tested in the application one embodiment.By scheming
4a understand, after tested after, the PETG diaphragm material samples generate more crazing.
Please join Fig. 4 b, be the application one embodiment in, under the conditions of same test, a kind of TPU membrane sheet material after tested
Expect the photo of sample.From Fig. 4 b, after tested after, the TPU membrane sheet material sample does not almost produce crazing.
Therefore, the resistance to stress crack performance of the TPU membrane sheet material sample is better than the PETG diaphragm material samples.
The polymer material film chip test method of the application is more flexible, can according to the performance of specific measured material come
Set test parameter, such as amount of tension and by sample keep it is tight in test cambered surface duration.This method of testing is applicable very much
In the situation that multiple material is carried out to contrast test.
Although being disclosed that many aspects and embodiment of the application, under the inspiration of the application, the application its
In terms of him and embodiment is also obvious to those skilled in the art.Various aspects and embodiment disclosed herein
It is for illustration purposes only, and unrestricted purpose.The protection domain and purport of the application is only by appended claims come really
It is fixed.
Equally, each chart can show the exemplary architecture or other configurations of disclosed method and system, and it is helped
In feature and function that understanding can be included in disclosed method and system.Claimed content is not limited to shown show
Example property framework or configuration, and desired feature can be realized with various alternative architectures and configuration.In addition, for flow
Figure, functional descriptions and claim to a method, square frame described herein order, which should not necessarily be limited by, to be implemented with same order to hold
The various embodiments of the row function, unless explicitly pointing out within a context.
Unless otherwise expressly stated, term and phrase and its variant used herein are interpreted as open,
It is rather than restricted.In some instances, such as " one or more ", " at least ", autgmentability word as " but being not limited to "
Converge with the appearance of phrase or other similar terms should not be construed as may without the example of this autgmentability term in be intended to
Or need to represent the situation of constriction.
Claims (13)
1. a kind of polymer material film chip test method, including：
On a convex globoidal and scheduled duration is kept a high polymer material diaphragm sample is tight；And
The combination of extent of rebound or crazing quantity or both after being released based on the high polymer material diaphragm sample determines it
Performance.
2. polymer material film chip test method as claimed in claim 1, it is characterised in that by it is tight in the convex globoidal it
On the high polymer material diaphragm sample be stretched scheduled volume.
3. polymer material film chip test method as claimed in claim 2, it is characterised in that the scheduled volume is in the height
Within the elastic strain interval range of molecular material diaphragm sample.
4. polymer material film chip test method as claimed in claim 3, it is characterised in that the scheduled volume be 2%~
Within the scope of 5%.
5. polymer material film chip test method as claimed in claim 1, it is characterised in that based on the polymer material film
Piece sample is released the span of the arch formed afterwards to weigh its extent of rebound.
6. polymer material film chip test method as claimed in claim 1, it is characterised in that based on the polymer material film
Piece sample is released the height of the arch formed afterwards to weigh its extent of rebound.
7. polymer material film chip test method as claimed in claim 1, it is characterised in that based on the polymer material film
Piece sample is released the angle at the both ends of the arch formed afterwards to weigh its extent of rebound.
8. polymer material film chip test method as claimed in claim 1, it is characterised in that the high polymer material diaphragm examination
Sample is the strip with one fixed width.
9. polymer material film chip test method as claimed in claim 1, it is characterised in that the high polymer material diaphragm examination
The thickness of sample is 0.1mm~3mm.
10. polymer material film chip test method as claimed in claim 1, it is characterised in that the predetermined duration is more than
24 hours.
11. polymer material film chip test method as claimed in claim 1, it is characterised in that described tight on convex globoidal
High polymer material diaphragm sample be to submerge to keep the scheduled duration in a liquid.
12. polymer material film chip test method as claimed in claim 11, it is characterised in that the liquid is artificial saliva
Liquid.
13. polymer material film chip test method as claimed in claim 11, it is characterised in that the temperature of the liquid is kept
Substantially constant and close to the temperature in human oral cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610522190.2A CN107576563A (en) | 2016-07-04 | 2016-07-04 | Polymer material film chip test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610522190.2A CN107576563A (en) | 2016-07-04 | 2016-07-04 | Polymer material film chip test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107576563A true CN107576563A (en) | 2018-01-12 |
Family
ID=61049390
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610522190.2A Pending CN107576563A (en) | 2016-07-04 | 2016-07-04 | Polymer material film chip test method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903432A (en) * | 2021-01-18 | 2021-06-04 | 吉林大学 | Dentistry diaphragm elastic recovery testing arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903432A (en) * | 2021-01-18 | 2021-06-04 | 吉林大学 | Dentistry diaphragm elastic recovery testing arrangement |
| CN112903432B (en) * | 2021-01-18 | 2022-07-26 | 吉林大学 | Dentistry diaphragm elastic recovery testing arrangement |
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