CN114801261A - Anti-wrinkle fluorine membrane - Google Patents
Anti-wrinkle fluorine membrane Download PDFInfo
- Publication number
- CN114801261A CN114801261A CN202210256809.5A CN202210256809A CN114801261A CN 114801261 A CN114801261 A CN 114801261A CN 202210256809 A CN202210256809 A CN 202210256809A CN 114801261 A CN114801261 A CN 114801261A
- Authority
- CN
- China
- Prior art keywords
- film
- wrinkle
- etfe
- heat treatment
- fluorine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 44
- 239000011737 fluorine Substances 0.000 title claims abstract description 44
- 239000012528 membrane Substances 0.000 title claims description 11
- 230000001153 anti-wrinkle effect Effects 0.000 title abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 33
- 230000037303 wrinkles Effects 0.000 claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 7
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 57
- 238000012360 testing method Methods 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 4
- 238000011056 performance test Methods 0.000 claims description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- 230000035882 stress Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000006355 external stress Effects 0.000 abstract description 2
- 230000008646 thermal stress Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 230000008642 heat stress Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/008—Wide strips, e.g. films, webs
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
The invention relates to the technical field of crease-resistant treatment of films, in particular to a crease-resistant fluorine film. The technical scheme is provided mainly aiming at the problems that the stress of the existing fluorine film cannot be fully released in the production process, so that the strain is generated, the fluorine film has serious wrinkle phenomenon at 90-180 ℃, and bubbles can be generated during composite application: the method specifically comprises a heat treatment process of the anti-wrinkle film, and the heat treatment process comprises the following treatment steps: the method comprises the following steps: selecting a fluorine film; step two: heat treatment; step three: sampling and detecting. The invention releases the thermal stress, the internal stress and the external stress of the film through the heat treatment processing of the fluorine film, reduces the effect of strain, achieves the anti-wrinkle performance, has simple processing technology, simple and easily obtained used equipment, achieves the outstanding anti-wrinkle effect, has strong practicability, is particularly suitable for film products with the demand of anti-wrinkle, and is mainly applied to the anti-wrinkle processing of the fluorine film.
Description
Technical Field
The invention relates to the technical field of crease-resistant treatment of films, in particular to a crease-resistant fluorine film.
Background
The fluoroplastic film has smooth and flat surface, uniform product size, stable physical and chemical properties, excellent non-adhesiveness, temperature resistance, electric insulation, mechanical property, weather resistance, wear resistance and the like. The method is widely applied to the fields of solar cells, semiconductors, Mini-Led and the like, the main representative products comprise ETFE and FEP, but the method also has some defects in practical application at a client, for example, the fluorine film has a wrinkle phenomenon when the fluorine film is used at the client, the wrinkle phenomenon is particularly serious when the fluorine film is applied at 90-180 ℃, the film with the wrinkle phenomenon causes bubbles on the surface when the fluorine film is applied in a composite way, and the EVA and a back plate are adhered and layered for a long time, which is the defect of the application of the fluorine film at present and is a ubiquitous phenomenon. Analysis shows that the fluorine film wrinkles are caused by film shrinkage and expansion, and in the production process, under the influence of temperature, pressure and traction force, film forming stress is not released, so that film strain is formed, namely the wrinkles of the film appear; in view of this, we propose a wrinkle resistant fluorine membrane.
Disclosure of Invention
The invention aims to provide an anti-wrinkle fluorine film aiming at the problems that the existing fluorine film in the background art cannot fully release stress in the production process, so that strain is generated, the fluorine film has serious wrinkle phenomenon at 90-180 ℃, bubbles are generated during composite application, the use of the fluorine film is influenced, and the like.
The technical scheme of the invention is as follows: a wrinkle-resistant fluorine membrane, in particular comprising a heat treatment process of a wrinkle-resistant membrane, the heat treatment process comprising the following treatment steps:
the method comprises the following steps: selecting a fluorine film; selecting an ETFE mirror film as a test film of a heat treatment process;
step two: heat treatment; heating the ETFE mirror film in an oven at the temperature of 150-180 ℃;
step three: sampling and detecting; and (3) carrying out performance test and detection on the ETFE mirror surface film subjected to heat treatment at the temperature of 90-180 ℃.
Preferably, the thickness of the ETFE mirror film in the first step is 50 μm, and the heating time of the ETFE mirror film in the oven is 10 s.
Preferably, the ETFE mirror film in the second step is heated in an oven at a temperature of 150 ℃.
Preferably, the ETFE mirror film in the second step is heated in an oven at a temperature of 160 ℃.
Preferably, the ETFE mirror film in the second step is heated in an oven at a temperature of 170 ℃.
Preferably, the ETFE mirror film in the second step is heated in an oven at a temperature of 180 ℃.
Preferably, the size of the ETFE mirror film test sample in the third step is 10 x 10cm, and the transverse and longitudinal marks are made on the upper surface of the ETFE mirror film.
Preferably, the test time in the third step is 10s, and the test equipment is an oven.
Compared with the prior art, the invention has the following beneficial technical effects:
1. according to the invention, through the heat treatment processing of the fluorine film, the heat stress of the film can be fully released in the production process of the fluorine film, and because the stress is the elastic modulus strain, the strain is reduced by changing and reducing the stress in the film production, the effect of reducing the shrinkage and expansion of the film is achieved, and the use stability of the film is enhanced, so that the anti-wrinkle effect of the film can be improved, the performance of the film is stable, and the stability of later-stage comprehensive application and use can be improved, thereby achieving the outstanding use effect;
2. in conclusion, the invention releases the thermal stress, the internal stress and the external stress of the film through the heat treatment processing of the fluorine film, reduces the strain effect, achieves the anti-wrinkle performance, has simple treatment process, simple and easily obtained used equipment, achieves the outstanding anti-wrinkle effect, has strong practicability, and is particularly suitable for film products with the demand of anti-wrinkle.
Detailed Description
The technical solution of the present invention is further described with reference to the following specific examples.
Example one
The invention provides a fold-resistant fluorine membrane, which particularly comprises a heat treatment process of the fold-resistant membrane, wherein the heat treatment process comprises the following treatment steps:
the method comprises the following steps: selecting a fluorine film; selecting an ETFE mirror film as a test film of a heat treatment process, wherein the thickness of the ETFE mirror film is 50 μm, and the heating time of the ETFE mirror film in an oven is 10 s;
step two: heat treatment; heating the ETFE mirror film in an oven at the temperature of 150 ℃;
step three: sampling and detecting; and (3) testing and detecting the performance of the ETFE mirror film subjected to heat treatment at 90-180 ℃, wherein the size of an ETFE mirror film test sample is 10 x 10cm, transverse and longitudinal marks are made on the upper surface of the ETFE mirror film, the test time is 10s, and the test equipment is an oven.
Example two
Compared with the first embodiment, the embodiment of the wrinkle-resistant fluorine film provided by the invention further specifically comprises a heat treatment process of the wrinkle-resistant film, wherein the heat treatment process comprises the following treatment steps:
the method comprises the following steps: selecting a fluorine film; selecting an ETFE mirror film as a test film of a heat treatment process, wherein the thickness of the ETFE mirror film is 50 μm, and the heating time of the ETFE mirror film in an oven is 10 s;
step two: heat treatment; heating the ETFE mirror film in an oven at the temperature of 160 ℃;
step three: sampling and detecting; and (3) testing and detecting the performance of the ETFE mirror film subjected to heat treatment at 90-180 ℃, wherein the size of an ETFE mirror film test sample is 10 x 10cm, transverse and longitudinal marks are made on the upper surface of the ETFE mirror film, the test time is 10s, and the test equipment is an oven.
EXAMPLE III
Compared with the first embodiment or the second embodiment, the wrinkle-resistant fluorine film provided by the invention further specifically comprises a heat treatment process of the wrinkle-resistant film, wherein the heat treatment process comprises the following treatment steps:
the method comprises the following steps: selecting a fluorine film; selecting an ETFE mirror film as a test film of a heat treatment process, wherein the thickness of the ETFE mirror film is 50 μm, and the heating time of the ETFE mirror film in an oven is 10 s;
step two: heat treatment; heating the ETFE mirror film in an oven at the temperature of 170 ℃;
step three: sampling and detecting; and (3) carrying out performance test and detection on the ETFE mirror film subjected to heat treatment at the temperature of 90-180 ℃, wherein the size of an ETFE mirror film test sample is 10 x 10cm, transverse and longitudinal marks are marked on the upper surface of the ETFE mirror film, the test time is 10s, and the test equipment is an oven.
Example four
Compared with the first embodiment or the second embodiment and the third embodiment, the wrinkle-resistant fluorine film provided by the invention further specifically comprises a heat treatment process of the wrinkle-resistant film, wherein the heat treatment process comprises the following treatment steps:
the method comprises the following steps: selecting a fluorine film; selecting an ETFE mirror film as a test film of a heat treatment process, wherein the thickness of the ETFE mirror film is 50 μm, and the heating time of the ETFE mirror film in an oven is 10 s;
step two: heat treatment; heating the ETFE mirror film in an oven at the temperature of 180 ℃;
step three: sampling and detecting; and (3) testing and detecting the performance of the ETFE mirror film subjected to heat treatment at 90-180 ℃, wherein the size of an ETFE mirror film test sample is 10 x 10cm, transverse and longitudinal marks are made on the upper surface of the ETFE mirror film, the test time is 10s, and the test equipment is an oven.
The performance of the four-way heat-treated fluorine membrane in the first to third embodiments of the present invention was tested, and the test items include specific gravity, melting point (deg.c), tensile strength (MPa), elongation at break (%), and heat shrinkage (%); the technical index requirements of the test items are as follows: specific gravity: 1.71-1.77, a melting point (DEG C) of 190-; the following data were obtained:
from the above data, it can be seen that the heat treatment process for the fluorine film in the first to fourth embodiments of the present invention fully satisfies the technical requirements of the treatment process in the third embodiment, i.e., the ETFE mirror film with the heating temperature of 170 ℃ and the heating time of 10 s.
Taking 10 pieces of ETFE mirror film subjected to heat treatment in the third embodiment of the scheme, performing performance test detection according to the test requirements of the third step, taking 10 pieces of ETFE mirror film with the size of 10 x 10cm, drawing transverse and longitudinal marks on the ETFE mirror film, sequentially putting the ETFE mirror film into ovens with the set temperatures of 90 ℃, 100 ℃, 110 ℃, 120 ℃, 130 ℃, 140 ℃, 150 ℃, 160 ℃, 170 ℃ and 180 ℃, taking out after 10 seconds respectively, and measuring the shrinkage values of the transverse and longitudinal non-heat-treated films, wherein the test results are shown in the following table:
the 30CETFE mirror films not subjected to the third heat treatment in example were taken, 10 pieces of the 30CETFE mirror films were taken, the size was 10X 10cm, transverse and longitudinal marks were drawn on the ETFE mirror films, the film was sequentially put into an oven set at 170 ℃ and sequentially taken out after 10 seconds, and the shrinkage values of the transverse and longitudinal non-heat-treated films were measured and the results are shown in the following table:
the above two data tables show that the fluorine film treated in the third embodiment of the present invention is not likely to shrink or expand in the application environment below (90-180) deg.c, and is more likely to prevent the wrinkle phenomenon.
It should be noted that other film products can be adjusted correspondingly to the heating temperature and heating time according to the self-generating performance and property of the product.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.
Claims (8)
1. The fold-resistant fluorine membrane is characterized by comprising a heat treatment process of the fold-resistant membrane, wherein the heat treatment process comprises the following treatment steps:
the method comprises the following steps: selecting a fluorine film; selecting an ETFE mirror film as a test film of a heat treatment process;
step two: heat treatment; heating the ETFE mirror film in an oven at the temperature of 150-180 ℃;
step three: sampling and detecting; and (3) carrying out performance test and detection on the ETFE mirror surface film subjected to heat treatment at the temperature of 90-180 ℃.
2. The wrinkle-resistant fluorine film according to claim 1, wherein the thickness of the ETFE mirror film in the first step is 50 μm, and the heating time of the ETFE mirror film in the oven is 10 s.
3. The wrinkle-resistant fluorine film according to claim 1, wherein the ETFE mirror film in the second step is heated in an oven at a temperature of 150 ℃.
4. The wrinkle-resistant fluorine film according to claim 1, wherein the ETFE mirror film in the second step is heated in an oven at a temperature of 160 ℃.
5. The wrinkle-resistant fluorine film according to claim 1, wherein the ETFE mirror film in the second step is heated in an oven at a temperature of 170 ℃.
6. The wrinkle-resistant fluorine film according to claim 1, wherein the ETFE mirror film in the second step is heated in an oven at a temperature of 180 ℃.
7. The wrinkle-resistant fluoride film as claimed in claim 1, wherein the size of the ETFE mirror film test sample in the third step is 10 x 10cm, and the transverse and longitudinal marks are made on the upper surface of the ETFE mirror film.
8. The wrinkle-resistant fluorine membrane according to claim 1, wherein the test time in the third step is 10s, and the test equipment is an oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256809.5A CN114801261A (en) | 2022-03-16 | 2022-03-16 | Anti-wrinkle fluorine membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256809.5A CN114801261A (en) | 2022-03-16 | 2022-03-16 | Anti-wrinkle fluorine membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114801261A true CN114801261A (en) | 2022-07-29 |
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ID=82529317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210256809.5A Pending CN114801261A (en) | 2022-03-16 | 2022-03-16 | Anti-wrinkle fluorine membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114801261A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767465A (en) * | 2008-12-29 | 2010-07-07 | 佛山塑料集团股份有限公司 | Method for preparing thermoplastic resin film |
| CN106700350A (en) * | 2015-11-13 | 2017-05-24 | 浙江蓝天环保高科技股份有限公司 | Preparation method for polyvinyl fluoride film with good weatherability |
| CN109980157A (en) * | 2019-04-04 | 2019-07-05 | 深圳中兴新材技术股份有限公司 | A kind of preparation method, battery diaphragm and the battery of anti-fold battery diaphragm |
-
2022
- 2022-03-16 CN CN202210256809.5A patent/CN114801261A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767465A (en) * | 2008-12-29 | 2010-07-07 | 佛山塑料集团股份有限公司 | Method for preparing thermoplastic resin film |
| CN106700350A (en) * | 2015-11-13 | 2017-05-24 | 浙江蓝天环保高科技股份有限公司 | Preparation method for polyvinyl fluoride film with good weatherability |
| CN109980157A (en) * | 2019-04-04 | 2019-07-05 | 深圳中兴新材技术股份有限公司 | A kind of preparation method, battery diaphragm and the battery of anti-fold battery diaphragm |
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